diff --git a/.gitattributes b/.gitattributes
index f17b2bee513f3dc8a111965f4c58346eaede9b0b..960cfafec9f7bc1b9e713a13c108ee24e26c227e 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -17,3 +17,4 @@ OpenHarmony_Icons.zip filter=lfs diff=lfs merge=lfs -text
 zip filter=lfs diff=lfs merge=lfs -text
 figures/OpenHarmony_Icons.zip filter=lfs diff=lfs merge=lfs -text
 figures/OpenHarmony应用图标模版.zip filter=lfs diff=lfs merge=lfs -text
+figures/OpenHarmony_天气应用UX设计交付件_V1.0.zip filter=lfs diff=lfs merge=lfs -text
diff --git a/en/application-dev/file-management/app-file-access.md b/en/application-dev/file-management/app-file-access.md
index 4d3a21c0902535a3d81fd4be678973b6e8dfab23..409560fa51a4f22394375b1ce6ab39d58b7d3e08 100644
--- a/en/application-dev/file-management/app-file-access.md
+++ b/en/application-dev/file-management/app-file-access.md
@@ -36,7 +36,7 @@ You can use [ohos.file.fs](../reference/apis/js-apis-file-fs.md) to implement ac
 
 First, obtain the [application file path](../application-models/application-context-stage.md#obtaining-application-file-paths). The following example shows how to obtain a HAP file path using **UIAbilityContext**. For details about how to obtain **UIAbilityContext**, see [Obtaining the Context of UIAbility](../application-models/uiability-usage.md#obtaining-the-context-of-uiability).
 
-Then, perform common file operations.
+Then, perform file operations.
 
 ### Creating, Reading, and Writing a File
 
@@ -46,21 +46,29 @@ The following example demonstrates how to create a file, read data from it, and
 // pages/xxx.ets
 import fs from '@ohos.file.fs';
 import common from '@ohos.app.ability.common';
+import buffer from '@ohos.buffer';
 
-function createFile() {
-  // Obtain the application file path.
-  let context = getContext(this) as common.UIAbilityContext;
-  let filesDir = context.filesDir;
+// Obtain the application file path.
+let context = getContext(this) as common.UIAbilityContext;
+let filesDir = context.filesDir;
 
-  // Create a file and open it.
+function createFile() {
+    // Create a file and open it.
   let file = fs.openSync(filesDir + '/test.txt', fs.OpenMode.READ_WRITE | fs.OpenMode.CREATE);
   // Write data to the file.
   let writeLen = fs.writeSync(file.fd, "Try to write str.");
   console.info("The length of str is: " + writeLen);
   // Read data from the file.
-  let buf = new ArrayBuffer(1024);
-  let readLen = fs.readSync(file.fd, buf, { offset: 0 });
-  console.info("the content of file: " + String.fromCharCode.apply(null, new Uint8Array(buf.slice(0, readLen))));
+  let arrayBuffer = new ArrayBuffer(1024);
+  class Option {
+    public offset: number = 0;
+    public length: number;
+  }
+  let option = new Option();
+  option.length = arrayBuffer.byteLength;
+  let readLen = fs.readSync(file.fd, arrayBuffer, option);
+  let buf = buffer.from(arrayBuffer, 0, readLen);
+  console.info("the content of file: " + buf.toString());
   // Close the file.
   fs.closeSync(file);
 }
@@ -75,11 +83,11 @@ function createFile() {
 import fs from '@ohos.file.fs';
 import common from '@ohos.app.ability.common';
 
-function readWriteFile() {
-  // Obtain the application file path.
-  let context = getContext(this) as common.UIAbilityContext;
-  let filesDir = context.filesDir;
+// Obtain the application file path.
+let context = getContext(this) as common.UIAbilityContext;
+let filesDir = context.filesDir;
 
+function readWriteFile() {
   // Open the source and destination files.
   let srcFile = fs.openSync(filesDir + '/test.txt', fs.OpenMode.READ_WRITE);
   let destFile = fs.openSync(filesDir + '/destFile.txt', fs.OpenMode.READ_WRITE | fs.OpenMode.CREATE);
@@ -87,11 +95,18 @@ function readWriteFile() {
   let bufSize = 4096;
   let readSize = 0;
   let buf = new ArrayBuffer(bufSize);
-  let readLen = fs.readSync(srcFile.fd, buf, { offset: readSize });
+  class Option {
+    public offset: number = 0;
+    public length: number = bufSize;
+  }
+  let option = new Option();
+  option.offset = readSize;
+  let readLen = fs.readSync(srcFile.fd, buf, option);
   while (readLen > 0) {
     readSize += readLen;
     fs.writeSync(destFile.fd, buf);
-    readLen = fs.readSync(srcFile.fd, buf, { offset: readSize });
+    option.offset = readSize;
+    readLen = fs.readSync(srcFile.fd, buf, option);
   }
   // Close the files.
   fs.closeSync(srcFile);
@@ -112,11 +127,11 @@ The following example demonstrates how to read and write file data using a strea
 import fs from '@ohos.file.fs';
 import common from '@ohos.app.ability.common';
 
-async function readWriteFileWithStream() {
-  // Obtain the application file path.
-  let context = getContext(this) as common.UIAbilityContext;
-  let filesDir = context.filesDir;
+// Obtain the application file path.
+let context = getContext(this) as common.UIAbilityContext;
+let filesDir = context.filesDir;
 
+async function readWriteFileWithStream() {
   // Open the file streams.
   let inputStream = fs.createStreamSync(filesDir + '/test.txt', 'r+');
   let outputStream = fs.createStreamSync(filesDir + '/destFile.txt', "w+");
@@ -124,11 +139,18 @@ async function readWriteFileWithStream() {
   let bufSize = 4096;
   let readSize = 0;
   let buf = new ArrayBuffer(bufSize);
-  let readLen = await inputStream.read(buf, { offset: readSize });
+  class Option {
+    public offset: number = 0;
+    public length: number = bufSize;
+  }
+  let option = new Option();
+  option.offset = readSize;
+  let readLen = await inputStream.read(buf, option);
   readSize += readLen;
   while (readLen > 0) {
     await outputStream.write(buf);
-    readLen = await inputStream.read(buf, { offset: readSize });
+    option.offset = readSize;
+    readLen = await inputStream.read(buf, option);
     readSize += readLen;
   }
   // Close the streams.
@@ -148,8 +170,7 @@ async function readWriteFileWithStream() {
 The following example demonstrates how to list files that meet the specified conditions.
 
 ```ts
-// List files.
-import fs from '@ohos.file.fs';
+import fs, { Filter } from '@ohos.file.fs';
 import common from '@ohos.app.ability.common';
 
 // Obtain the application file path.
@@ -157,18 +178,20 @@ let context = getContext(this) as common.UIAbilityContext;
 let filesDir = context.filesDir;
 
 // List files that meet the specified conditions.
-let options = {
-  recursion: false,
-  listNum: 0,
-  filter: {
-    suffix: ['.png', '.jpg', '.txt'],          // The filename extension can be '.png', '.jpg', or '.txt'.
-    displayName: ['test%'],                    // The filename starts with 'test'.
-    fileSizeOver: 0,                           // The file size is greater than or equal to 0.
-    lastModifiedAfter: new Date(0).getTime(),  // The latest modification time of the file is later than January 1, 1970.
-  },
-}
-let files = fs.listFileSync(filesDir, options);
-for (let i = 0; i < files.length; i++) {
-  console.info(`The name of file: ${files[i]}`);
+function getListFile() {
+  class ListFileOption {
+    public recursion: boolean = false;
+    public listNum: number = 0;
+    public filter: Filter
+  }
+  let option = new ListFileOption();
+  option.filter.suffix = ['.png', '.jpg', '.txt'];          // The filen ame extension can be '.png', '.jpg', or '.txt'.
+  option.filter.displayName = ['test%'];                    // The file name starts with 'test'.
+  option.filter.fileSizeOver = 0;                           // The file size is greater than or equal to 0.
+  option.filter.lastModifiedAfter = new Date(0).getTime();  // The latest modification time of the file is later than January 1, 1970.
+  let files = fs.listFileSync(filesDir, option);
+  for (let i = 0; i < files.length; i++) {
+    console.info(`The name of file: ${files[i]}`);
+  }
 }
 ```
diff --git a/en/application-dev/file-management/app-file-backup.md b/en/application-dev/file-management/app-file-backup.md
index ccfb8641f4db47a71029c2c4591382081aeb0697..e65d2c9e15e12facbbe4ebf56befc29a573d3cb1 100644
--- a/en/application-dev/file-management/app-file-backup.md
+++ b/en/application-dev/file-management/app-file-backup.md
@@ -32,17 +32,25 @@ The capability file of an application contains the device type, device version,
 
 Use **backup.getLocalCapabilities()** to obtain capability files.
 
- ```js
+ ```ts
+  import backup from '@ohos.file.backup';
+  import common from '@ohos.app.ability.common';
   import fs from '@ohos.file.fs';
+
+  // Obtain the application file path.
+  let context = getContext(this) as common.UIAbilityContext;
+  let filesDir = context.filesDir;
+
   async function getLocalCapabilities() {
     try {
       let fileData = await backup.getLocalCapabilities();
       console.info('getLocalCapabilities success');
-      let fpath = await globalThis.context.filesDir + '/localCapabilities.json';
+      let fpath = filesDir + '/localCapabilities.json';
       fs.copyFileSync(fileData.fd, fpath);
       fs.closeSync(fileData.fd);
-    } catch (err) {
-      console.error('getLocalCapabilities failed with err: ' + err);
+    } catch (error) {
+      let err: BusinessError = error as BusinessError;
+      console.error('getLocalCapabilities failed with err: ' + JSON.stringify(err));
     }
   }
  ```
@@ -88,17 +96,24 @@ You can save the file to a local directory as required.
 **Example**
 
  ```ts
+  import backup from '@ohos.file.backup';
+  import common from '@ohos.app.ability.common';
   import fs from '@ohos.file.fs';
+  import { BusinessError } from '@ohos.base';
+
+  // Obtain the sandbox path.
+  let context = getContext(this) as common.UIAbilityContext;
+  let filesDir = context.filesDir;
   // Create a SessionBackup instance for data backup.
-  let g_session;
+  let g_session: backup.SessionBackup;
   function createSessionBackup() {
-    let sessionBackup = new backup.SessionBackup({
-      onFileReady: async (err, file) => {
+    let generalCallbacks: backup.GeneralCallbacks = {
+      onFileReady: (err: BusinessError, file: backup.File) => {
         if (err) {
-          console.info('onFileReady err: ' + err);
+          console.info('onFileReady err: ' + JSON.stringify(err));
         }
         try {
-          let bundlePath = await globalThis.context.filesDir + '/' + file.bundleName;
+          let bundlePath = filesDir + '/' + file.bundleName;
           if (!fs.accessSync(bundlePath)) {
             fs.mkdirSync(bundlePath);
           }
@@ -109,23 +124,23 @@ You can save the file to a local directory as required.
           console.error('onFileReady failed with err: ' + e);
         }
       },
-      onBundleBegin: (err, bundleName) => {
+      onBundleBegin: (err: BusinessError, bundleName: string) => {
         if (err) {
-          console.info('onBundleBegin err: ' + err);
+          console.info('onBundleBegin err: ' + JSON.stringify(err));
         } else {
           console.info('onBundleBegin bundleName: ' + bundleName);
         }
       },
-      onBundleEnd: (err, bundleName) => {
+      onBundleEnd: (err: BusinessError, bundleName: string) => {
         if (err) {
-          console.info('onBundleEnd err: ' + err);
+          console.info('onBundleEnd err: ' + JSON.stringify(err));
         } else {
           console.info('onBundleEnd bundleName: ' + bundleName);
         }
       },
-      onAllBundlesEnd: (err) => {
+      onAllBundlesEnd: (err: BusinessError) => {
         if (err) {
-          console.info('onAllBundlesEnd err: ' + err);
+          console.info('onAllBundlesEnd err: ' + JSON.stringify(err));
         } else {
           console.info('onAllBundlesEnd');
         }
@@ -133,16 +148,16 @@ You can save the file to a local directory as required.
       onBackupServiceDied: () => {
         console.info('onBackupServiceDied');
       },
-    });
+    }
+    let sessionBackup = new backup.SessionBackup(generalCallbacks);
     return sessionBackup;
   }
-  
-  async function sessionBackup ()
-  {
+
+  async function sessionBackup () {
     g_session = createSessionBackup();
     // Select the application to be backed up based on the capability file obtained by backup.getLocalCapabilities().
     // You can also back up data based on the application bundle name.
-    const backupApps = [
+    const backupApps: string[] = [
       "com.example.hiworld",
     ]
     await g_session.appendBundles(backupApps);
@@ -161,24 +176,26 @@ When all the data of the application is ready, the service starts to restore the
 **Example**
 
  ```ts
+  import backup from '@ohos.file.backup';
   import fs from '@ohos.file.fs';
+  import { BusinessError } from '@ohos.base';
   // Create a SessionRestore instance for data restoration.
-  let g_session;
-  async function publishFile(file)
-  {
-    await g_session.publishFile({
+  let g_session: backup.SessionRestore;
+  async function publishFile(file: backup.File) {
+    let fileMeta: backup.FileMeta = {
       bundleName: file.bundleName,
       uri: file.uri
-    });
+    }
+    await g_session.publishFile(fileMeta);
   }
   function createSessionRestore() {
-    let sessionRestore = new backup.SessionRestore({
-      onFileReady: (err, file) => {
+    let generalCallbacks: backup.GeneralCallbacks = {
+      onFileReady: (err: BusinessError, file: backup.File) => {
         if (err) {
-          console.info('onFileReady err: ' + err);
+          console.info('onFileReady err: ' + JSON.stringify(err));
         }
         // Set bundlePath based on the actual situation.
-        let bundlePath;
+        let bundlePath: string;
         if (!fs.accessSync(bundlePath)) {
           console.info('onFileReady bundlePath err : ' + bundlePath);
         }
@@ -188,52 +205,51 @@ When all the data of the application is ready, the service starts to restore the
         publishFile(file);
         console.info('onFileReady success');
       },
-      onBundleBegin: (err, bundleName) => {
+      onBundleBegin: (err: BusinessError, bundleName: string) => {
         if (err) {
-          console.error('onBundleBegin failed with err: ' + err);
+          console.error('onBundleBegin failed with err: ' + JSON.stringify(err));
         }
         console.info('onBundleBegin success');
       },
-      onBundleEnd: (err, bundleName) => {
+      onBundleEnd: (err: BusinessError, bundleName: string) => {
         if (err) {
-          console.error('onBundleEnd failed with err: ' + err);
+          console.error('onBundleEnd failed with err: ' + JSON.stringify(err));
         }
         console.info('onBundleEnd success');
       },
-      onAllBundlesEnd: (err) => {
+      onAllBundlesEnd: (err: BusinessError) => {
         if (err) {
-          console.error('onAllBundlesEnd failed with err: ' + err);
+          console.error('onAllBundlesEnd failed with err: ' + JSON.stringify(err));
         }
         console.info('onAllBundlesEnd success');
       },
       onBackupServiceDied: () => {
         console.info('service died');
       }
-    });
+    }
+    let sessionRestore = new backup.SessionRestore(generalCallbacks);
     return sessionRestore;
   }
-  
-  async function restore ()
-  {
+
+  async function restore01 () {
     g_session = createSessionRestore();
-    const backupApps = [
+    const restoreApps: string[] = [
       "com.example.hiworld",
     ]
     // You can obtain the capability file based on actual situation. The following is an example only.
     // You can also construct capability files as required.
     let fileData = await backup.getLocalCapabilities();
-    await g_session.appendBundles(fileData.fd, backupApps);
+    await g_session.appendBundles(fileData.fd, restoreApps);
     console.info('appendBundles success');
     // After the applications to be restored are added, call getFileHandle() to obtain the handles of the application files to be restored based on the application name.
     // The number of application data files to be restored varies depending on the number of backup files. The following is only an example.
-    await g_session.getFileHandle({
+    let handle: backup.FileMeta = {
       bundleName: restoreApps[0],
       uri: "manage.json"
-    });
-    await g_session.getFileHandle({
-      bundleName: restoreApps[0],
-      uri: "1.tar"
-    });
+    }
+    await g_session.getFileHandle(handle);
+    handle.uri = "1.tar";
+    await g_session.getFileHandle(handle);
     console.info('getFileHandle success');
   }
  ```
@@ -249,23 +265,30 @@ If the application has not been installed, you can install the application and t
 **Example**
 
  ```ts
+  import backup from '@ohos.file.backup';
+  import common from '@ohos.app.ability.common';
   import fs from '@ohos.file.fs';
+  import { BusinessError } from '@ohos.base';
+
+  // Obtain the sandbox path.
+  let context = getContext(this) as common.UIAbilityContext;
+  let filesDir = context.filesDir;
   // Create a SessionRestore instance for data restoration.
-  let g_session;
-  async function publishFile(file)
-  {
-    await g_session.publishFile({
+  let g_session: backup.SessionRestore;
+  async function publishFile(file: backup.File) {
+    let fileMeta: backup.FileMeta = {
       bundleName: file.bundleName,
       uri: file.uri
-    });
+    }
+    await g_session.publishFile(fileMeta);
   }
   function createSessionRestore() {
-    let sessionRestore = new backup.SessionRestore({
-      onFileReady: (err, file) => {
-      if (err) {
-        console.info('onFileReady err: ' + err);
-      }
-        let bundlePath;
+    let generalCallbacks: backup.GeneralCallbacks = {
+      onFileReady: (err: BusinessError, file: backup.File) => {
+        if (err) {
+          console.info('onFileReady err: ' + JSON.stringify(err));
+        }
+        let bundlePath: string;
         if( file.uri == "/data/storage/el2/restore/bundle.hap" )
         {
           // Set the path of the application installation package based on actual situation.
@@ -281,61 +304,57 @@ If the application has not been installed, you can install the application and t
         publishFile(file);
         console.info('onFileReady success');
       },
-      onBundleBegin: (err, bundleName) => {
+      onBundleBegin: (err: BusinessError, bundleName: string) => {
         if (err) {
-          console.error('onBundleBegin failed with err: ' + err);
+          console.error('onBundleBegin failed with err: ' + JSON.stringify(err));
         }
         console.info('onBundleBegin success');
       },
-      onBundleEnd: (err, bundleName) => {
+      onBundleEnd: (err: BusinessError, bundleName: string) => {
         if (err) {
-          console.error('onBundleEnd failed with err: ' + err);
+          console.error('onBundleEnd failed with err: ' + JSON.stringify(err));
         }
         console.info('onBundleEnd success');
       },
-      onAllBundlesEnd: (err) => {
+      onAllBundlesEnd: (err: BusinessError) => {
         if (err) {
-          console.error('onAllBundlesEnd failed with err: ' + err);
+          console.error('onAllBundlesEnd failed with err: ' + JSON.stringify(err));
         }
         console.info('onAllBundlesEnd success');
       },
       onBackupServiceDied: () => {
         console.info('service died');
       }
-    });
+    }
+    let sessionRestore = new backup.SessionRestore(generalCallbacks);
     return sessionRestore;
   }
-  
-  async function restore ()
-  {
+
+  async function restore02 () {
     g_session = createSessionRestore();
-    const backupApps = [
+    const restoreApps: string[] = [
       "com.example.hiworld",
     ]
-    let fpath = await globalThis.context.filesDir + '/localCapabilities.json';
-    let file = fs.openSync(fpath, fileIO.OpenMode.CREATE | fileIO.OpenMode.READ_WRITE);
+    let fpath = filesDir + '/localCapabilities.json';
+    let file = fs.openSync(fpath, fs.OpenMode.CREATE | fs.OpenMode.READ_WRITE);
     let content = "{\"bundleInfos\" :[{\"allToBackup\" : false,\"extensionName\" : \"\"," +
     "\"name\" : \"cn.openharmony.inputmethodchoosedialog\",\"needToInstall\" : true,\"spaceOccupied\" : 0," +
     "\"versionCode\" : 1000000,\"versionName\" : \"1.0.0\"}],\"deviceType\" : \"default\",\"systemFullName\"   : \"OpenHarmony-4.0.6.2(Canary1)\"}";
     fs.writeSync(file.fd, content);
     fs.fsyncSync(file.fd);
-    await g_session.appendBundles(file.fd, backupApps);
+    await g_session.appendBundles(file.fd, restoreApps);
     console.info('appendBundles success');
-  
+
     // Obtain the file handle of the application to be installed.
-    await g_session.getFileHandle({
+    let handle: backup.FileMeta = {
       bundleName: restoreApps[0],
       uri: "/data/storage/el2/restore/bundle.hap"
-    });
-  
-    await g_session.getFileHandle({
-      bundleName: restoreApps[0],
-      uri: "manage.json"
-    });
-    await g_session.getFileHandle({
-      bundleName: restoreApps[0],
-      uri: "1.tar"
-    });
+    }
+    await g_session.getFileHandle(handle);
+    handle.uri = "manage.json";
+    await g_session.getFileHandle(handle);
+    handle.uri = "1.tar";
+    await g_session.getFileHandle(handle);
     console.info('getFileHandle success');
   }
  ```
diff --git a/en/application-dev/file-management/app-file-upload-download.md b/en/application-dev/file-management/app-file-upload-download.md
index 75fb0646cf2dbfa1422209c4d4b9b176e547f749..d2391e620a8327964010703ad523a30f732aaa10 100644
--- a/en/application-dev/file-management/app-file-upload-download.md
+++ b/en/application-dev/file-management/app-file-upload-download.md
@@ -19,6 +19,7 @@ The following example demonstrates how to upload a file in the **cache** directo
 import common from '@ohos.app.ability.common';
 import fs from '@ohos.file.fs';
 import request from '@ohos.request';
+import { BusinessError } from '@ohos.base';
 
 // Obtain the application file path.
 let context = getContext(this) as common.UIAbilityContext;
@@ -30,32 +31,36 @@ fs.writeSync(file.fd, 'upload file test');
 fs.closeSync(file);
 
 // Configure the upload task.
-let uploadConfig = {
+let header = new Map<Object, string>();
+header.set('key1', 'value1');
+header.set('key2', 'value2');
+let files: Array<request.File> = [
+  { filename: 'test.txt', name: 'test', uri: 'internal://cache/test.txt', type: 'txt' }
+]
+let data: Array<request.RequestData> = [{ name: 'name', value: 'value' }];
+let uploadConfig: request.UploadConfig = {
   url: 'https://xxx',
-  header: { key1: 'value1', key2: 'value2' },
+  header: header,
   method: 'POST',
-  files: [
-    { filename: 'test.txt', name: 'test', uri: 'internal://cache/test.txt', type: 'txt' }
-  ],
-  data: [
-    { name: 'name', value: 'value' }
-  ]
+  files: files,
+  data: data
 }
 
 // Upload the created application file to the network server.
 try {
   request.uploadFile(context, uploadConfig)
-    .then((uploadTask) => {
-      uploadTask.on('complete', (taskStates) => {
+    .then((uploadTask: request.UploadTask) => {
+      uploadTask.on('complete', (taskStates: Array<request.TaskState>) => {
         for (let i = 0; i < taskStates.length; i++) {
           console.info(`upload complete taskState: ${JSON.stringify(taskStates[i])}`);
         }
       });
     })
-    .catch((err) => {
+    .catch((err: BusinessError) => {
       console.error(`Invoke uploadFile failed, code is ${err.code}, message is ${err.message}`);
     })
-} catch (err) {
+} catch (error) {
+  let err: BusinessError = error as BusinessError;
   console.error(`Invoke uploadFile failed, code is ${err.code}, message is ${err.message}`);
 }
 ```
@@ -78,6 +83,8 @@ The following example demonstrates how to download a network resource file to a
 import common from '@ohos.app.ability.common';
 import fs from '@ohos.file.fs';
 import request from '@ohos.request';
+import { BusinessError } from '@ohos.base';
+import buffer from '@ohos.buffer';
 
 // Obtain the application file path.
 let context = getContext(this) as common.UIAbilityContext;
@@ -87,19 +94,21 @@ try {
   request.downloadFile(context, {
     url: 'https://xxxx/xxxx.txt',
     filePath: filesDir + '/xxxx.txt'
-  }).then((downloadTask) => {
+  }).then((downloadTask: request.DownloadTask) => {
     downloadTask.on('complete', () => {
       console.info('download complete');
       let file = fs.openSync(filesDir + '/xxxx.txt', fs.OpenMode.READ_WRITE);
-      let buf = new ArrayBuffer(1024);
-      let readLen = fs.readSync(file.fd, buf);
-      console.info(`The content of file: ${String.fromCharCode.apply(null, new Uint8Array(buf.slice(0, readLen)))}`);
+      let arrayBuffer = new ArrayBuffer(1024);
+      let readLen = fs.readSync(file.fd, arrayBuffer);
+      let buf = buffer.from(arrayBuffer, 0, readLen);
+      console.info(`The content of file: ${buf.toString()}`);
       fs.closeSync(file);
     })
-  }).catch((err) => {
+  }).catch((err: BusinessError) => {
     console.error(`Invoke downloadTask failed, code is ${err.code}, message is ${err.message}`);
   });
-} catch (err) {
+} catch (error) {
+  let err: BusinessError = error as BusinessError;
   console.error(`Invoke downloadFile failed, code is ${err.code}, message is ${err.message}`);
 }
 ```
diff --git a/en/application-dev/file-management/app-fs-space-statistics.md b/en/application-dev/file-management/app-fs-space-statistics.md
index 74ffbc6c6f39441be0a9c0043389458025bc0c0d..ebc0982502719a6d07e98ed5f46329744dfcf55d 100644
--- a/en/application-dev/file-management/app-fs-space-statistics.md
+++ b/en/application-dev/file-management/app-fs-space-statistics.md
@@ -10,13 +10,13 @@ For details about the APIs, see [ohos.file.statvfs](../reference/apis/js-apis-fi
 
 | Module| API| Description|
 | -------- | -------- | -------- |
-| \@ohos.file.storageStatistics | getCurrentBundleStats | Obtains the storage space of the current application, in bytes.|
-| \@ohos.file.statvfs | getFreeSize | Obtains the free space of a file system, in bytes.|
-| \@ohos.file.statvfs | getTotalSize | Obtains the total space of a file system, in bytes.|
+| \@ohos.file.storageStatistics | getCurrentBundleStats | Obtains the storage space of the current application, in bytes.| 
+| \@ohos.file.statvfs | getFreeSize | Obtains the free space of a file system, in bytes.| 
+| \@ohos.file.statvfs | getTotalSize | Obtains the total space of a file system, in bytes.| 
 
 **Table 2** Attributes for application space statistics
 
-| BundleStats Attribute| Description| Directory for Statistics|
+| BundleStats Attribute| Description| Directory for Statistics| 
 | -------- | -------- | -------- |
 | appSize | Size of the application installation files, in bytes.| /data/storage/el1/bundle |
 | cacheSize | Size of the application cache files, in bytes.| /data/storage/el1/base/cache<br>/data/storage/el1/base/haps/entry/cache<br>/data/storage/el2/base/cache<br>/data/storage/el2/base/haps/entry/cache |
@@ -25,12 +25,13 @@ For details about the APIs, see [ohos.file.statvfs](../reference/apis/js-apis-fi
 ## Development Example
 
 - Obtain the free space of **/data** of the file system.
-  
+    
   ```ts
   import statvfs from '@ohos.file.statvfs';
+  import { BusinessError } from '@ohos.base';
   
   let path = "/data";
-  statvfs.getFreeSize(path, (err, number) => {
+  statvfs.getFreeSize(path, (err: BusinessError, number: number) => {
     if (err) {
       console.error(`Invoke getFreeSize failed, code is ${err.code}, message is ${err.message}`);
     } else {
@@ -40,11 +41,12 @@ For details about the APIs, see [ohos.file.statvfs](../reference/apis/js-apis-fi
   ```
 
 - Obtain the space occupied by the current application.
-  
+    
   ```ts
   import storageStatistics from "@ohos.file.storageStatistics";
+  import { BusinessError } from '@ohos.base';
   
-  storageStatistics.getCurrentBundleStats((err, bundleStats) => {
+  storageStatistics.getCurrentBundleStats((err: BusinessError, bundleStats: storageStatistics.BundleStats) => {
     if (err) {
       console.error(`Invoke getCurrentBundleStats failed, code is ${err.code}, message is ${err.message}`);
     } else {
diff --git a/en/application-dev/file-management/dev-user-file-manager.md b/en/application-dev/file-management/dev-user-file-manager.md
index ffcea027cfc56ad761064bd686f06452bc6be390..4340e26a14d41dab029f75b45dd259015ee67e7d 100644
--- a/en/application-dev/file-management/dev-user-file-manager.md
+++ b/en/application-dev/file-management/dev-user-file-manager.md
@@ -8,82 +8,89 @@ For details about the APIs used to develop a file manager application, see [User
 
 ## How to Develop
 
-1. Apply for permissions required.<br>
-   Apply for the **ohos.permission.FILE_ACCESS_MANAGER** and **ohos.permission.GET_BUNDLE_INFO_PRIVILEGED** permissions. For details, see [Applying for Permissions](../security/accesstoken-guidelines.md).
+1. Apply for permissions required.
 
+   Apply for the **ohos.permission.FILE_ACCESS_MANAGER** and **ohos.permission.GET_BUNDLE_INFO_PRIVILEGED** permissions. For details, see [Applying for Permissions](../security/accesstoken-guidelines.md).
    > **NOTE**
    >
-   > **ohos.permission.FILE_ACCESS_MANAGER** allows your application to use the user file access framework APIs.
-   >
-   > **ohos.permission.GET_BUNDLE_INFO_PRIVILEGED** allows your application to obtain information about file management server applications supported by the system.
-
+   > - **ohos.permission.FILE_ACCESS_MANAGER** allows your application to use the user file access framework APIs.
+   >- **ohos.permission.GET_BUNDLE_INFO_PRIVILEGED** allows your application to obtain information about file management server applications supported by the system.
 2. Import dependent modules.
 
    ```ts
    import fileAccess from '@ohos.file.fileAccess';
    import fileExtensionInfo from '@ohos.file.fileExtensionInfo';
+   import { Filter } from '@ohos.file.fs';
+   import common from '@ohos.app.ability.common';
+   import { BusinessError } from '@ohos.base';
    ```
 
    The **fileAccess** module provides APIs for basic file operations, and the **fileExtensionInfo** module provides key structs for application development.
 
-3. Query device information.<br>
+3. Query device information.
+
    You can obtain attributes of the devices managed by one or all file management servers in the system. You can also filter devices as required.
 
    In the user file access framework, **RootInfo** indicates the attribute information of a device. For example, obtain **RootInfo** of all devices.
 
    ```ts
+   // Obtain the application context.
+   let context = getContext(this) as common.UIAbilityContext;
+
    // Create a helper object for connecting to all file management servers in the system.
-   let fileAccessHelperAllServer = null;
-   createFileAccessHelper() {
+   let fileAccessHelperAllServer: fileAccess.FileAccessHelper;
+   function createFileAccessHelper() {
      try {    // this.context is the context passed from EntryAbility.
-       fileAccessHelperAllServer = fileAccess.createFileAccessHelper(this.context);
+       fileAccessHelperAllServer = fileAccess.createFileAccessHelper(context);
        if (!fileAccessHelperAllServer) {
          console.error("createFileAccessHelper interface returns an undefined object");
        }
-     } catch (error) {    
+     } catch (err) {
+         let error: BusinessError = err as BusinessError;
          console.error("createFileAccessHelper failed, errCode:" + error.code + ", errMessage:" + error.message);
      }
    }
-   async getRoots() {  
-     let rootIterator = null;  
-     let rootInfos = [];  
-     let isDone = false;  
+   let rootInfos: Array<fileAccess.RootInfo> = [];
+   async function getRoots() {
+     let rootIterator: fileAccess.RootIterator;
+     let isDone: boolean = false;
      try {
        rootIterator = await fileAccessHelperAllServer.getRoots();
        if (!rootIterator) {
          console.error("getRoots interface returns an undefined object");
-         return;    
-       }    
+         return;
+       }
        while (!isDone) {
          let result = rootIterator.next();
          console.info("next result = " + JSON.stringify(result));
          isDone = result.done;
          if (!isDone)
-           rootinfos.push(result.value);
-       }  
-     } catch (error) {
+           rootInfos.push(result.value);
+       }
+     } catch (err) {
+       let error: BusinessError = err as BusinessError;
        console.error("getRoots failed, errCode:" + error.code + ", errMessage:" + error.message);
      }
    }
    ```
 
 4. View directories.
+
    In the user file access framework, **FileInfo** indicates basic information about a file (directory). You can use **listfile()** to obtain a **FileIterator** object that traverses all files (directories) of the next level or use **scanfile()** to obtain a **FileIterator** object that meets the specified conditions.
 
    Currently, **listfile()** and **scanfile()** can be called by the **RootInfo** object to traverse the next-level files or filter the entire directory tree. In addition, **listfile()** and **scanfile()** can be called by the **FileInfo** object to traverse the next-level files or filter the specified directories.
 
    ```ts
    // Start from the root directory.
-   let rootInfo = rootinfos[0];
-   let fileInfos = [];
-   let isDone = false;
-   let filter = {suffix: [".txt", ".jpg", ".xlsx"]};  // Set filter criteria.
-   try {  
-     let fileIterator = rootInfo.listFile();          // Traverse the root directory of rootinfos[0] and return an iterator object.
-     // let fileIterator = rootInfo.scanFile(filter); // Filter device rootinfos[0] files that meet the specified conditions and return an iteration object.
+   let rootInfo = rootInfos[0];
+   let fileInfos: Array<fileAccess.FileInfo> = [];
+   let isDone: boolean = false;
+   let filter: Filter = {suffix : [".txt", ".jpg", ".xlsx"]}; // Set the filter.
+   try {
+     let fileIterator = rootInfo.listFile();                  // Traverse the root directory of rootinfos[0] and return an iterator object.
+     // let fileIterator = rootInfo.scanFile(filter);         // Filter device rootinfos[0] files that meet the specified conditions and return an iteration object.
      if (!fileIterator) {
        console.error("listFile interface returns an undefined object");
-       return;  
      }
      while (!isDone) {
        let result = fileIterator.next();
@@ -92,35 +99,37 @@ For details about the APIs used to develop a file manager application, see [User
        if (!isDone)
          fileInfos.push(result.value);
      }
-   } catch (error) {
+   } catch (err) {
+    let error: BusinessError = err as BusinessError;
      console.error("listFile failed, errCode:" + error.code + ", errMessage:" + error.message);
    }
-   
+
    // Start from the specified directory.
-   let fileInfoDir = fileInfos[0];                    // fileInfoDir indicates information about a directory.
-   let subFileInfos = [];
-   let isDone = false;
-   let filter = {suffix: [".txt", ".jpg", ".xlsx"]};  // Set filter criteria.
+   let fileInfoDir = fileInfos[0]; // fileInfoDir indicates information about a directory.
+   let subFileInfos: Array<fileAccess.FileInfo> = [];
+   let isDone02: boolean = false;
+   let filter02: Filter = {suffix : [".txt", ".jpg", ".xlsx"]}; // Set the filter.
    try {
-     let fileIterator = fileInfoDir.listFile();       // Traverse files in the specified directory and return an iterator object.
-     // let fileIterator = rootInfo.scanFile(filter); // Filter the files in the specified directory and return an iterator object.
+     let fileIterator = fileInfoDir.listFile();                 // Traverse files in the specified directory and return an iterator object.
+     // let fileIterator = rootInfo.scanFile(filter02);         // Filter the files in the specified directory and return an iterator object.
      if (!fileIterator) {
        console.error("listFile interface returns an undefined object");
-       return;
      }
-     while (!isDone) {
+     while (!isDone02) {
        let result = fileIterator.next();
        console.info("next result = " + JSON.stringify(result));
-       isDone = result.done;
-       if (!isDone)
-         subfileInfos.push(result.value);
+       isDone02 = result.done;
+       if (!isDone02)
+         subFileInfos.push(result.value);
      }
-   } catch (error) {
+   } catch (err) {
+    let error: BusinessError = err as BusinessError;
      console.error("listFile failed, errCode:" + error.code + ", errMessage:" + error.message);
    }
    ```
 
 5. Perform operations on files or directories.
+
    You can integrate APIs of the user file access framework to implement user behaviors, such as deleting, renaming, creating, and moving a file (directory). The following example shows how to create a file. For details about other APIs, see [User File Access and Management](../reference/apis/js-apis-fileAccess.md).
 
    ```ts
@@ -128,18 +137,20 @@ For details about the APIs used to develop a file manager application, see [User
    // Create a file.
    // sourceUri is the URI in fileinfo of the Download directory.
    // You need to use the obtained URI for development.
-   let sourceUri = "file://media/file/6";
-   let displayName = "file1";
-   let fileUri = null;
-   try {
-     // Obtain fileAccessHelper by referring to the sample code of fileAccess.createFileAccessHelper.
-     fileUri = await fileAccessHelper.createFile(sourceUri, displayName);
-     if (!fileUri) {
-       console.error("createFile return undefined object");
-       return;
-     }
-     console.info("createFile sucess, fileUri: " + JSON.stringify(fileUri));
-   } catch (error) {
-     console.error("createFile failed, errCode:" + error.code + ", errMessage:" + error.message);
-   };
+   async function creatFile() {
+     let sourceUri: string = "file://docs/storage/Users/currentUser/Download";
+     let displayName: string = "file1";
+     let fileUri: string;
+     try {
+       // Obtain fileAccessHelperAllServer by referring to the sample code of fileAccess.createFileAccessHelper.
+       fileUri = await fileAccessHelperAllServer.createFile(sourceUri, displayName);
+       if (!fileUri) {
+         console.error("createFile return undefined object");
+       }
+       console.info("createFile sucess, fileUri: " + JSON.stringify(fileUri));
+     } catch (err) {
+      let error: BusinessError = err as BusinessError;
+      console.error("createFile failed, errCode:" + error.code + ", errMessage:" + error.message);
+     };
+   }
    ```
diff --git a/en/application-dev/file-management/file-access-across-devices.md b/en/application-dev/file-management/file-access-across-devices.md
index 1fefd8c41154597235e718b77309f34c94a36778..caa18468fb0eccd535ebe095ab9c45ab3f7549fb 100644
--- a/en/application-dev/file-management/file-access-across-devices.md
+++ b/en/application-dev/file-management/file-access-across-devices.md
@@ -8,8 +8,7 @@ For example, device A and device B are installed with the same application. Afte
 
 1. Connect the devices to form a Super Device.
    
-Connect the devices to a LAN, and complete authentication of the devices. The devices must have the same account number.
-   
+   Connect the devices to a LAN, and complete authentication of the devices. The devices must have the same account number.
 2. Implement cross-device access to the files of the same application.
 
    Place the files in the **distributedfiles/** directory of the application sandbox to implement access from difference devices.
@@ -18,11 +17,13 @@ Connect the devices to a LAN, and complete authentication of the devices. The de
 
    ```ts
    import fs from '@ohos.file.fs';
-   
-   let context =...; // Obtain the UIAbilityContext information of device A.
-   let pathDir = context.distributedFilesDir;
+   import common from '@ohos.app.ability.common';
+   import { BusinessError } from '@ohos.base';
+
+   let context = getContext(this) as common.UIAbilityContext; // Obtain the UIAbilityContext of device A.
+   let pathDir: string = context.distributedFilesDir;
    // Obtain the file path of the distributed directory.
-   let filePath = pathDir + '/test.txt';
+   let filePath: string = pathDir + '/test.txt';
    
    try {
      // Create a file in the distributed directory.
@@ -32,7 +33,8 @@ Connect the devices to a LAN, and complete authentication of the devices. The de
      fs.writeSync(file.fd, 'content');
      // Close the file.
      fs.closeSync(file.fd);
-   } catch (err) {
+   } catch (error) {
+     let err: BusinessError = error as BusinessError;
      console.error(`Failed to openSync / writeSync / closeSync. Code: ${err.code}, message: ${err.message}`);
    }
    ```
@@ -41,24 +43,33 @@ Connect the devices to a LAN, and complete authentication of the devices. The de
 
    ```ts
    import fs from '@ohos.file.fs';
+   import common from '@ohos.app.ability.common';
+   import buffer from '@ohos.buffer';
+   import { BusinessError } from '@ohos.base';
    
-   let context =...; // Obtain the UIAbilityContext information of device B.
-   let pathDir = context.distributedFilesDir;
+   let context = getContext(this) as common.UIAbilityContext; // Obtain the UIAbilityContext of device B.
+   let pathDir: string = context.distributedFilesDir;
    // Obtain the file path of the distributed directory.
-   let filePath = pathDir + '/test.txt';
+   let filePath: string = pathDir + '/test.txt';
    
    try {
      // Open the file in the distributed directory.
      let file = fs.openSync(filePath, fs.OpenMode.READ_WRITE);
      // Set the buffer for receiving the read data.
-     let buffer = new ArrayBuffer(4096);
+     let arrayBuffer = new ArrayBuffer(4096);
      // Read the file. The return value is the number of read bytes.
-     let num = fs.readSync(file.fd, buffer, {
-       offset: 0
-     });
+     class Option {
+        public offset: number = 0;
+        public length: number;
+     }
+     let option = new Option();
+     option.length = arrayBuffer.byteLength;
+     let num = fs.readSync(file.fd, arrayBuffer, option);
      // Print the read data.
-     console.info('read result: ' + String.fromCharCode.apply(null, new Uint8Array(buffer.slice(0, num))));
-   } catch (err) {
+     let buf = buffer.from(arrayBuffer, 0, num);
+     console.info('read result: ' + buf.toString());
+   } catch (error) {
+     let err: BusinessError = error as BusinessError;
      console.error(`Failed to openSync / readSync. Code: ${err.code}, message: ${err.message}`);
    }
    ```
diff --git a/en/application-dev/file-management/manage-external-storage.md b/en/application-dev/file-management/manage-external-storage.md
index b26a17455725e769f41cf1eb2cdc6d214ee3a0e9..24a0a3b112845e47ce2b8e0a9e32d2b53b4b1e3d 100644
--- a/en/application-dev/file-management/manage-external-storage.md
+++ b/en/application-dev/file-management/manage-external-storage.md
@@ -28,13 +28,13 @@ The following table describes the broadcast related parameters.
 
 **Table 1** Broadcast parameters
 
-| Broadcast| Parameter|
+| Broadcast| Parameter| 
 | -------- | -------- |
-| usual.event.data.VOLUME_REMOVED | **id**: ID of the volume.<br>**diskId**: ID of the disk to which the volume belongs.|
-| usual.event.data.VOLUME_UNMOUNTED | **id**: ID of the volume.<br>**diskId**: ID of the disk to which the volume belongs.<br>**volumeState**: state of the volume.|
-| usual.event.data.VOLUME_MOUNTED | **id**: ID of the volume.<br>**diskId**: ID of the disk to which the volume belongs.<br>**volumeState**: state of the volume.<br>**fsUuid**: universally unique identifier (UUID) of the volume.<br>**path**: path where the volume is mounted.|
-| usual.event.data.VOLUME_BAD_REMOVAL | **id**: ID of the volume.<br>**diskId**: ID of the disk to which the volume belongs.|
-| usual.event.data.VOLUME_EJECT | **id**: ID of the volume.<br>**diskId**: ID of the disk to which the volume belongs.<br>**volumeState**: state of the volume.|
+| usual.event.data.VOLUME_REMOVED | **id**: ID of the volume.<br>**diskId**: ID of the disk to which the volume belongs.| 
+| usual.event.data.VOLUME_UNMOUNTED | **id**: ID of the volume.<br>**diskId**: ID of the disk to which the volume belongs.<br>**volumeState**: state of the volume.| 
+| usual.event.data.VOLUME_MOUNTED | **id**: ID of the volume.<br>**diskId**: ID of the disk to which the volume belongs.<br>**volumeState**: state of the volume.<br>**fsUuid**: universally unique identifier (UUID) of the volume.<br>**path**: path where the volume is mounted.| 
+| usual.event.data.VOLUME_BAD_REMOVAL | **id**: ID of the volume.<br>**diskId**: ID of the disk to which the volume belongs.| 
+| usual.event.data.VOLUME_EJECT | **id**: ID of the volume.<br>**diskId**: ID of the disk to which the volume belongs.<br>**volumeState**: state of the volume.| 
 
 ## How to Develop
 
@@ -55,29 +55,33 @@ You can subscribe to broadcast events to observe the insertion and removal of ex
    ```ts
    import CommonEvent from '@ohos.commonEventManager';
    import volumeManager from '@ohos.file.volumeManager';
-   
-   const subscribeInfo = {
+   import { BusinessError } from '@ohos.base';
+
+   let subscriber: CommonEvent.CommonEventSubscriber;
+   async function example() {
+     const subscribeInfo: CommonEvent.CommonEventSubscribeInfo = {
        events: [
-           "usual.event.data.VOLUME_REMOVED",
-           "usual.event.data.VOLUME_UNMOUNTED",
-           "usual.event.data.VOLUME_MOUNTED",
-           "usual.event.data.VOLUME_BAD_REMOVAL",
-           "usual.event.data.VOLUME_EJECT"
-      ]
-   };
-   let subscriber = await CommonEvent.createSubscriber(subscribeInfo);
+         "usual.event.data.VOLUME_REMOVED",
+         "usual.event.data.VOLUME_UNMOUNTED",
+         "usual.event.data.VOLUME_MOUNTED",
+         "usual.event.data.VOLUME_BAD_REMOVAL",
+         "usual.event.data.VOLUME_EJECT"
+       ]
+     };
+     subscriber = await CommonEvent.createSubscriber(subscribeInfo);
+   }
    ```
 
 3. Obtain volume information from the broadcast.
 
    ```ts
-   CommonEvent.subscribe(subscriber, function (err, data) {
+   CommonEvent.subscribe(subscriber, (err: BusinessError, data: CommonEvent.CommonEventData) => {
      if (data.event === 'usual.event.data.VOLUME_MOUNTED') {
        // Manage the volume device based on the information obtained from the broadcast.
-       let volId = data.parameters.id;
-       volumeManager.getVolumeById(volId, function(error, vol) {
+       let volId: string = data.parameters.id;
+       volumeManager.getVolumeById(volId, (error: BusinessError, vol: volumeManager.Volume) => {
          if (error) {
-           console.error('volumeManager getVolumeById failed');
+           console.error('volumeManager getVolumeById failed for ' + JSON.stringify(error));
          } else {
            console.info('volumeManager getVolumeById successfully, the volume state is ' + vol.state);
          }
diff --git a/en/application-dev/file-management/save-user-file.md b/en/application-dev/file-management/save-user-file.md
index a5cc3306c680ec9f5d1463de940e1844c5692a19..07ef6bc424991b79b8305cd3795534317d00845c 100644
--- a/en/application-dev/file-management/save-user-file.md
+++ b/en/application-dev/file-management/save-user-file.md
@@ -18,37 +18,41 @@ For example, select an image from **Gallery** and save it to the file manager.
    import fs from '@ohos.file.fs';
    import photoAccessHelper from '@ohos.file.photoAccessHelper';
    import dataSharePredicates from '@ohos.data.dataSharePredicates';
+   import common from '@ohos.app.ability.common';
+   import image from '@ohos.multimedia.image';
+   import { BusinessError } from '@ohos.base';
    ```
 
 2. Obtain the thumbnail of the first image on the device. Before performing this operation, ensure that at least one image exists on the device.
 
    ```ts
-   const context = getContext(this);
-   let photoAccessHelper = photoAccessHelper.getPhotoAccessHelper(context);
+   let context = getContext(this) as common.UIAbilityContext;
+   let phAccessHelper = photoAccessHelper.getPhotoAccessHelper(context);
 
-   let pixelmapArrayBuffer;
-   async getPixelmap() {
+   let pixelmapArrayBuffer: ArrayBuffer;
+   async function getPixelmap() {
       try {
          let predicates = new dataSharePredicates.DataSharePredicates();
-         let fetchOption = {
+         let fetchOption: photoAccessHelper.FetchOptions = {
             fetchColumns: [],
             predicates: predicates
          };
-         let fetchResult = await photoAccessHelper.getAssets(fetchOption);
+         let fetchResult = await phAccessHelper.getAssets(fetchOption);
          console.info('[picker] getThumbnail fetchResult: ' + fetchResult);
          const asset = await fetchResult.getFirstObject();
          console.info('[picker] getThumbnail asset displayName = ', asset.displayName);
-         asset.getThumbnail().then((pixelMap) => {
+         asset.getThumbnail().then((pixelMap: image.PixelMap) => {
             let pixelBytesNumber = pixelMap.getPixelBytesNumber();
             const readBuffer = new ArrayBuffer(pixelBytesNumber);
             pixelMap.readPixelsToBuffer(readBuffer).then(() => {
                pixelmapArrayBuffer = readBuffer;
             })
-         }).catch((err) => {
-            console.error('[picker] getThumbnail failed with error: ' + err);
+         }).catch((err: BusinessError) => {
+            console.error('[picker] getThumbnail failed with error: ' + JSON.stringify(err));
          });
       } catch (error) {
-         console.error('[picker] getThumbnail error = ' + error);
+         let err: BusinessError = error as BusinessError;
+         console.error('[picker] getThumbnail error = ' + JSON.stringify(err));
       }
    }
    ```
@@ -58,8 +62,8 @@ For example, select an image from **Gallery** and save it to the file manager.
    The permission on the URI returned by **save()** is read/write. Further operations on the file can be performed based on the URI in the result set. Note that the URI cannot be directly used in the **picker** callback to open a file. You need to define a global variable to save the URI and use a button to trigger file opening.
 
    ```ts  
-   let uri:string;
-   async photoViewPickerSave() {
+   let uris: Array<string>;
+   async function photoViewPickerSave() {
       try {
          const photoSaveOptions = new picker.PhotoSaveOptions(); // Create a photoSaveOptions instance.
          photoSaveOptions.newFileNames = ["PhotoViewPicker01.png"]; // (Optional) Name of the file to be saved. The file name in the square brackets can be customized and must be unique. If the file name already exists on the device, change the file name. Otherwise, an error will be returned.
@@ -68,15 +72,16 @@ For example, select an image from **Gallery** and save it to the file manager.
          try {
             let photoSaveResult = await photoViewPicker.save(photoSaveOptions);
             if (photoSaveResult != undefined) {
-               console.info("[picker] photoViewPickerSave photoSaveResult = " + JSON.stringify(photoSaveResult));
-               this.uri = photoSaveResult[0];
-               console.info('photoViewPicker.save to file succeed and uri is:' + photoSaveResult[0]);
+               uris = photoSaveResult;
+               console.info('photoViewPicker.save to file succeed and uris are:' + uris);
             }
-         } catch (err) {
+         } catch (error) {
+            let err: BusinessError = error as BusinessError;
             console.error(`[picker] Invoke photoViewPicker.save failed, code is ${err.code}, message is ${err.message}`);
          }
       } catch (error) {
-         console.info("[picker] photoViewPickerSave error = " + error);
+         let err: BusinessError = error as BusinessError;
+         console.info("[picker] photoViewPickerSave error = " + JSON.stringify(err));
       }
    }
    ```
@@ -86,14 +91,15 @@ For example, select an image from **Gallery** and save it to the file manager.
    Then, use [fs.write](../reference/apis/js-apis-file-fs.md#fswrite) to modify the file based on the FD, and close the FD after the modification is complete.
 
    ```ts
-   async writeOnly(uri) {
+   async function writeOnly(uri: string) {
       try {
          let file = fs.openSync(uri, fs.OpenMode.WRITE_ONLY);
          let writeLen = await fs.write(file.fd, pixelmapArrayBuffer);
          fs.closeSync(file);
          console.info("[picker] writeOnly writeLen = " + writeLen);
       } catch (error) {
-         console.info("[picker] writeOnly error: " + error);
+         let err: BusinessError = error as BusinessError;
+         console.info("[picker] writeOnly error: " + JSON.stringify(err));
       }
    }
    ```
@@ -105,6 +111,7 @@ For example, select an image from **Gallery** and save it to the file manager.
    ```ts
    import picker from '@ohos.file.picker';
    import fs from '@ohos.file.fs';
+   import { BusinessError } from '@ohos.base';
    ```
 
 2. Create a **documentSaveOptions** instance.
@@ -112,6 +119,7 @@ For example, select an image from **Gallery** and save it to the file manager.
    ```ts
    const documentSaveOptions = new picker.DocumentSaveOptions(); // Create a documentSaveOptions instance.
    documentSaveOptions.newFileNames = ["DocumentViewPicker01.txt"]; // (Optional) Set the name of the document to save.
+   documentSaveOptions.fileSuffixChoices = ['.png', '.txt', '.mp4']; // (Optional) Types of the documents to save.
    ```
 
 3. Create a **documentViewPicker** instance, and call [save()](../reference/apis/js-apis-file-picker.md#save-3) to open the **FilePicker** page to save the document. After the user selects the destination folder, the document is saved and the URI of the document saved is returned.
@@ -119,12 +127,12 @@ For example, select an image from **Gallery** and save it to the file manager.
    The permission on the URI returned by **save()** is read/write. Further operations on the file can be performed based on the URI in the result set. Note that the URI cannot be directly used in the **picker** callback to open a file. You need to define a global variable to save the URI and use a button to trigger file opening.
 
    ```ts
-   let uri = null;
+   let uris: Array<string>;
    const documentViewPicker = new picker.DocumentViewPicker(); // Create a documentViewPicker instance.
-   documentViewPicker.save(documentSaveOptions).then((documentSaveResult) => {
-     uri = documentSaveResult[0];
-     console.info('documentViewPicker.save to file succeed and uri is:' + uri);
-   }).catch((err) => {
+   documentViewPicker.save(documentSaveOptions).then((documentSaveResult: Array<string>) => {
+     uris = documentSaveResult;
+     console.info('documentViewPicker.save to file succeed and uris are:' + uris);
+   }).catch((err: BusinessError) => {
      console.error(`Invoke documentViewPicker.save failed, code is ${err.code}, message is ${err.message}`);
    })
    ```
@@ -151,6 +159,7 @@ For example, select an image from **Gallery** and save it to the file manager.
    ```ts
    import picker from '@ohos.file.picker';
    import fs from '@ohos.file.fs';
+   import { BusinessError } from '@ohos.base';
    ```
 
 2. Create an **audioSaveOptions** instance.
@@ -160,17 +169,17 @@ For example, select an image from **Gallery** and save it to the file manager.
    audioSaveOptions.newFileNames = ['AudioViewPicker01.mp3']; // (Optional) Set the name of the audio file to save.
    ```
 
-3. Create an **audioViewPicker** instance, and call [save()](../reference/apis/js-apis-file-picker.md#save-6) to open the **FilePicker** page to save the file. After the user selects the destination folder, the audio file is saved and the URI of the file saved is returned.
+3. Create an **audioViewPicker** instance, and call [save()](../reference/apis/js-apis-file-picker.md#save-6) to open the **FilePicker** page to save the file. After the user selects the destination folder, the audio file is saved and the URI of the document saved is returned.
    
    The permission on the URI returned by **save()** is read/write. Further operations on the file can be performed based on the URI in the result set. Note that the URI cannot be directly used in the **picker** callback to open a file. You need to define a global variable to save the URI and use a button to trigger file opening.
    
    ```ts
-   let uri = null;
+   let uri: string;
    const audioViewPicker = new picker.AudioViewPicker();
-   audioViewPicker.save(audioSaveOptions).then((audioSelectResult) => {
+   audioViewPicker.save(audioSaveOptions).then((audioSelectResult: Array<string>) => {
      uri = audioSelectResult[0];
      console.info('audioViewPicker.save to file succeed and uri is:' + uri);
-   }).catch((err) => {
+   }).catch((err: BusinessError) => {
      console.error(`Invoke audioViewPicker.save failed, code is ${err.code}, message is ${err.message}`);
    })
    ```
@@ -182,7 +191,7 @@ For example, select an image from **Gallery** and save it to the file manager.
    console.info('file fd: ' + file.fd);
    ```
 
-5. Use [fs.writeSync()](../reference/apis/js-apis-file-fs.md#writesync) to edit the file based on the FD, and then close the FD.
+5. Use [fs.writeSync()](../reference/apis/js-apis-file-fs.md#writesync) to edit the document based on the FD, and then close the FD.
 
    ```ts
    let writeLen = fs.writeSync(file.fd, 'hello, world');
diff --git a/en/application-dev/file-management/select-user-file.md b/en/application-dev/file-management/select-user-file.md
index 041d20f308e47b7757de53a4735958e54bba6f2e..01f074fff61c84ebd1e04885e895a261599d1de7 100644
--- a/en/application-dev/file-management/select-user-file.md
+++ b/en/application-dev/file-management/select-user-file.md
@@ -17,6 +17,7 @@ The **FilePicker** provides the following interfaces by file type:
    ```ts
    import picker from '@ohos.file.picker';
    import fs from '@ohos.file.fs';
+   import { BusinessError } from '@ohos.base';
    ```
 
 2. Create a **photoSelectOptions** instance.
@@ -38,12 +39,12 @@ The **FilePicker** provides the following interfaces by file type:
    The permission on the URIs returned by **select()** is read-only. Further file operations can be performed based on the URIs in the **PhotoSelectResult**. Note that the URI cannot be directly used in the **picker** callback to open a file. You need to define a global variable to save the URI and use a button to trigger file opening.
 
    ```ts
-   let uri = null;
+   let uris: Array<string>;
    const photoViewPicker = new picker.PhotoViewPicker();
-   photoViewPicker.select(photoSelectOptions).then((photoSelectResult) => {
-     uri = photoSelectResult.photoUris[0];
-     console.info('photoViewPicker.select to file succeed and uri is:' + uri);
-   }).catch((err) => {
+   photoViewPicker.select(photoSelectOptions).then((photoSelectResult: picker.PhotoSelectResult) => {
+     uris = photoSelectResult.photoUris;
+     console.info('photoViewPicker.select to file succeed and uris are:' + uris);
+   }).catch((err: BusinessError) => {
      console.error(`Invoke photoViewPicker.select failed, code is ${err.code}, message is ${err.message}`);
    })
    ```
@@ -71,12 +72,17 @@ The **FilePicker** provides the following interfaces by file type:
    ```ts
    import picker from '@ohos.file.picker';
    import fs from '@ohos.file.fs';
+   import Want from '@ohos.app.ability.Want';
+   import { BusinessError } from '@ohos.base';
    ```
 
 2. Create a **documentSelectOptions** instance.
 
    ```ts
    const documentSelectOptions = new picker.DocumentSelectOptions(); 
+   documentSelectOptions.maxSelectNumber = 5; // (Optional) Maximum number of documents to select.
+   documentSelectOptions.defaultFilePathUri = "file://docs/storage/Users/currentUser/test"; // (Optional) Path of the file or directory to select.
+   documentSelectOptions.fileSuffixFilters = ['.png', '.txt', '.mp4']; // (Optional) File name extensions of the documents to select.
    ```
 
 3. Create a **documentViewPicker** instance, and call [**select()**](../reference/apis/js-apis-file-picker.md#select-3) to open the **FilePicker** page for the user to select documents. After the documents are selected, a result set containing the file URIs is returned.
@@ -85,17 +91,13 @@ The **FilePicker** provides the following interfaces by file type:
    
    For example, you can use [file management APIs](../reference/apis/js-apis-file-fs.md) to obtain file attributes, such as the file size, access time, and last modification time, based on the URI. If you need to obtain the file name, use [startAbilityForResult](../../application-dev/application-models/uiability-intra-device-interaction.md).
 
-   > **NOTE**
-   >
-   > Currently, **DocumentSelectOptions** is not configurable. By default, all types of user files are selected.
-
    ```ts
-   let uri = null;
+   let uris: Array<string>;
    const documentViewPicker = new picker.DocumentViewPicker(); // Create a documentViewPicker instance.
-   documentViewPicker.select(documentSelectOptions).then((documentSelectResult) => {
-     uri = documentSelectResult[0];
-     console.info('documentViewPicker.select to file succeed and uri is:' + uri);
-   }).catch((err) => {
+   documentViewPicker.select(documentSelectOptions).then((documentSelectResult: Array<string>) => {
+     uris = documentSelectResult;
+     console.info('documentViewPicker.select to file succeed and uris are:' + uris);
+   }).catch((err: BusinessError) => {
      console.error(`Invoke documentViewPicker.select failed, code is ${err.code}, message is ${err.message}`);
    })
    ```
@@ -105,24 +107,27 @@ The **FilePicker** provides the following interfaces by file type:
    > Currently, **DocumentSelectOptions** cannot be used to obtain the file name. To obtain the file name, use **startAbilityForResult()**.
 
    ```ts
-   let config = {
-     action: 'ohos.want.action.OPEN_FILE',
-     parameters: {
-       startMode: 'choose',
+   async function example() {
+     let config: Want = {
+       action: 'ohos.want.action.OPEN_FILE',
+       parameters: {
+         startMode: 'choose',
+       }
      }
-   }
-   try {
-     let result = await context.startAbilityForResult(config, {windowMode: 1});
-     if (result.resultCode !== 0) {
-       console.error(`documentViewPicker.select failed, code is ${result.resultCode}, message is ${result.want.parameters.message}`);
-       return;
+     try {
+       let result = await context.startAbilityForResult(config, {windowMode: 1});
+       if (result.resultCode !== 0) {
+         console.error(`documentViewPicker.select failed, code is ${result.resultCode}, message is ${result.want.parameters.message}`);
+         return;
+       }
+       // Obtain the URI of the document.
+       let select_item_list = result.want.parameters.select_item_list;
+       // Obtain the name of the document.
+       let file_name_list = result.want.parameters.file_name_list;
+     } catch (error) {
+        let err: BusinessError = error as BusinessError;
+       console.error(`Invoke documentViewPicker.select failed, code is ${err.code}, message is ${err.message}`);
      }
-     // Obtain the URI of the document.
-     let select_item_list = result.want.parameters.select_item_list;
-     // Obtain the name of the document.
-     let file_name_list = result.want.parameters.file_name_list;
-   } catch (err) {
-     console.error(`Invoke documentViewPicker.select failed, code is ${err.code}, message is ${err.message}`);
    }
    ```
 
@@ -150,6 +155,7 @@ The **FilePicker** provides the following interfaces by file type:
    ```ts
    import picker from '@ohos.file.picker';
    import fs from '@ohos.file.fs';
+   import { BusinessError } from '@ohos.base';
    ```
 
 2. Create an **audioSelectOptions** instance.
@@ -169,12 +175,12 @@ The **FilePicker** provides the following interfaces by file type:
    > Currently, **AudioSelectOptions** is not configurable. By default, all types of user files are selected.
 
    ```ts
-   let uri = null;
+   let uri: string;
    const audioViewPicker = new picker.AudioViewPicker();
-   audioViewPicker.select(audioSelectOptions).then(audioSelectResult => {
-     uri = audioSelectOptions[0];
+   audioViewPicker.select(audioSelectOptions).then((audioSelectResult: Array<string>) => {
+     uri = audioSelectResult[0];
      console.info('audioViewPicker.select to file succeed and uri is:' + uri);
-   }).catch((err) => {
+   }).catch((err: BusinessError) => {
      console.error(`Invoke audioViewPicker.select failed, code is ${err.code}, message is ${err.message}`);
    })
    ```
diff --git a/en/application-dev/file-management/set-security-label.md b/en/application-dev/file-management/set-security-label.md
index 2bf82ab58daa28d82b3c9a7ec2c38162a6ad210c..cb8e133b76f0d5caa0648bd585cd383705f45267 100644
--- a/en/application-dev/file-management/set-security-label.md
+++ b/en/application-dev/file-management/set-security-label.md
@@ -13,7 +13,7 @@ For details about the APIs, see [ohos.file.securityLabel](../reference/apis/js-a
 | setSecurityLabel | Sets a security label for a file.| Method| √ | √ |
 | getSecurityLabel | Obtains the security label of a file.| Method| √ | √ |
 
-> **NOTE**
+> **NOTICE**
 >
 > - In distributed networking, a device can view the files that do not match its security level but cannot access them.
 >
@@ -26,16 +26,18 @@ Obtain the sandbox path of a file and set the data security label. For details a
 
 ```ts
 import securityLabel from '@ohos.file.securityLabel';
+import { BusinessError } from '@ohos.base';
+import common from '@ohos.app.ability.common';
 
 // Obtain the sandbox path of the file.
-let context =...; // Obtain UIAbilityContext information.
+let context = getContext(this) as common.UIAbilityContext; // Obtain UIAbilityContext.
 let pathDir = context.filesDir;
 let filePath = pathDir + '/test.txt';
 
 // Set the data level of the file to S0.
 securityLabel.setSecurityLabel(filePath, 's0').then(() => {
   console.info('Succeeded in setSecurityLabeling.');
-}).catch((err) => {
+}).catch((err: BusinessError) => {
   console.error(`Failed to setSecurityLabel. Code: ${err.code}, message: ${err.message}`);
 });
 ```
diff --git a/en/application-dev/file-management/share-app-file.md b/en/application-dev/file-management/share-app-file.md
index 76dbcab2a74b6b6a4afdcee72c4535939cf3e0a0..f912565dbd58062f95c88cc35f45c60807a290aa 100644
--- a/en/application-dev/file-management/share-app-file.md
+++ b/en/application-dev/file-management/share-app-file.md
@@ -12,7 +12,7 @@ You can use the related APIs to [share a file with another application](#sharing
 
 The file URIs are in the following format:
 
-  **file**://&lt;*bundleName*&gt;/&lt;*path*&gt;
+**file://**&lt;bundleName&gt;/&lt;path&gt;
 
 - **file**: indicates a file URI.
 
@@ -30,7 +30,7 @@ Before sharing application files, you need to [obtain the application file path]
    import UIAbility from '@ohos.app.ability.UIAbility';
    import fileuri from '@ohos.file.fileuri';
    import window from '@ohos.window';
-   
+
    export default class EntryAbility extends UIAbility {
      onWindowStageCreate(windowStage: window.WindowStage) {
        // Obtain the application sandbox path of the file.
@@ -43,6 +43,7 @@ Before sharing application files, you need to [obtain the application file path]
    ```
 
 2. Set the target application, with which you want to share the file, and grant permissions on the file.
+
    Use [startAbility()](../reference/apis/js-apis-inner-application-uiAbilityContext.md#uiabilitycontextstartability) to share the file with the target application. You need to pass in the obtained URI in **uri** of the **want** parameter, set the type of the file to share, set **action** to **ohos.want.action.sendData**, and set the granted permission on the file in **flags**. For details, see [Want](../reference/apis/js-apis-app-ability-want.md#attributes).
 
    > **NOTE**
@@ -51,37 +52,39 @@ Before sharing application files, you need to [obtain the application file path]
 
    ```ts
    import fileuri from '@ohos.file.fileuri';
-   import window from '@ohos.window';
-   import wantConstant from '@ohos.app.ability.wantConstant';
-   import UIAbility from '@ohos.app.ability.UIAbility';
-   
-   export default class EntryAbility extends UIAbility {
-     onWindowStageCreate(windowStage: window.WindowStage) {
-       // Obtain the application sandbox path of the file.
-       let filePath = this.context.filesDir + '/test.txt';
-       // Convert the application sandbox path into a URI.
-       let uri = fileuri.getUriFromPath(filePath);
-       let want = {
-         // Grant the read and write permissions on the shared file to the target application.
-         flags: wantConstant.Flags.FLAG_AUTH_WRITE_URI_PERMISSION | wantConstant.Flags.FLAG_AUTH_READ_URI_PERMISSION,
-         // Set the implicit startup rule for the application that shares the file.
-         action: 'ohos.want.action.sendData',
-         uri: uri,
-         type: 'text/plain'
-       }
-       this.context.startAbility(want)
-         .then(() => {
-           console.info('Invoke getCurrentBundleStats succeeded.');
-         })
-         .catch((err) => {
-           console.error(`Invoke startAbility failed, code is ${err.code}, message is ${err.message}`);
-         });
-     }
-   
-     ...
-   }
+      import window from '@ohos.window';
+      import wantConstant from '@ohos.app.ability.wantConstant';
+      import UIAbility from '@ohos.app.ability.UIAbility';
+      import Want from '@ohos.app.ability.Want';
+      import { BusinessError } from '@ohos.base';
+
+      export default class EntryAbility extends UIAbility {
+        onWindowStageCreate(windowStage: window.WindowStage) {
+          // Obtain the application sandbox path of the file.
+          let filePath = this.context.filesDir + '/test.txt';
+          // Convert the application sandbox path into a URI.
+          let uri = fileuri.getUriFromPath(filePath);
+          let want: Want  = {
+            // Grant the read and write permissions on the shared file to the target application.
+            flags: wantConstant.Flags.FLAG_AUTH_WRITE_URI_PERMISSION | wantConstant.Flags.FLAG_AUTH_READ_URI_PERMISSION,
+            // Set the implicit startup rule for the application that shares the file.
+            action: 'ohos.want.action.sendData',
+            uri: uri,
+            type: 'text/plain'
+          }
+          this.context.startAbility(want)
+            .then(() => {
+              console.info('Invoke getCurrentBundleStats succeeded.');
+            })
+            .catch((err: BusinessError) => {
+              console.error(`Invoke startAbility failed, code is ${err.code}, message is ${err.message}`);
+            });
+        }
+        // ...
+      }
    ```
 
+
 ## Using Shared Files
 
 In the [**module.json5** file](../quick-start/module-configuration-file.md) of the application, which wants to use the shared file, set **actions** to **ohos.want.action.sendData** to allow the application to receive files shared by another application and set **uris** to the type of the URI to receive. In the following example, the application receives only .txt files with **scheme** of **file**.
@@ -120,10 +123,12 @@ After obtaining the URI of the shared file from **want**, the application can ca
 ```ts
 // xxx.ets
 import fs from '@ohos.file.fs';
+import Want from '@ohos.app.ability.Want';
+import { BusinessError } from '@ohos.base';
 
 function getShareFile() {
   try {
-    let want =...; // Obtain the want information sent from the application that shares the file.
+    let want: Want = ...; // Obtain the want sent from the application that shares the file.
 
     // Obtain the uri field from the want information.
     let uri = want.uri;
@@ -135,11 +140,13 @@ function getShareFile() {
       // Perform operations on the URI of the shared file as required. For example, open the URI to obtain the file object in read/write mode.
       let file = fs.openSync(uri, fs.OpenMode.READ_WRITE);
       console.info('open file successfully!');
-    } catch (error) {
+    } catch (err) {
+      let error: BusinessError = err as BusinessError;
       console.error(`Invoke openSync failed, code is ${error.code}, message is ${error.message}`);
     }
   } catch (error) {
-    console.error(`Invoke openSync failed, code is ${error.code}, message is ${error.message}`);
+    let err: BusinessError = error as BusinessError;
+    console.error(`Invoke openSync failed, code is ${err.code}, message is ${err.message}`);
   }
 }
 ```
diff --git a/en/application-dev/notification/notification-with-wantagent.md b/en/application-dev/notification/notification-with-wantagent.md
index 4a820360cc5f5f1c4ca829a629636dac0a672371..72e845497eac1cff153ebd7bf9d9af069b1bab6f 100644
--- a/en/application-dev/notification/notification-with-wantagent.md
+++ b/en/application-dev/notification/notification-with-wantagent.md
@@ -40,7 +40,7 @@ For details about the APIs, see [@ohos.app.ability.wantAgent](../reference/apis/
    Scenario 1: Create a [WantAgentInfo](../reference/apis/js-apis-inner-wantAgent-wantAgentInfo.md) object for starting a UIAbility component.
 
    ```typescript
-   let wantAgentObj:WantAgent = null; // Save the WantAgent object created. It will be used to complete the trigger operations.
+   let wantAgentObj:WantAgent; // Save the WantAgent object created. It will be used to complete the trigger operations.
    
    // Set the action type through operationType of WantAgentInfo.
    let wantAgentInfo:wantAgent.WantAgentInfo = {
@@ -64,7 +64,7 @@ For details about the APIs, see [@ohos.app.ability.wantAgent](../reference/apis/
    Scenario 2: Create a [WantAgentInfo](../reference/apis/js-apis-inner-wantAgent-wantAgentInfo.md) object for publishing a [common event](../application-models/common-event-overview.md).
 
    ```typescript
-   let wantAgentObj:WantAgent = null; // Save the WantAgent object created. It will be used to complete the trigger operations.
+   let wantAgentObj:WantAgent; // Save the WantAgent object created. It will be used to complete the trigger operations.
    
    // Set the action type through operationType of WantAgentInfo.
    let wantAgentInfo:wantAgent.WantAgentInfo = {
diff --git a/en/application-dev/quick-start/typescript-to-arkts-migration-guide.md b/en/application-dev/quick-start/typescript-to-arkts-migration-guide.md
index 29865c79c490f4ad1678034e001b71e1011f1ab3..627a84e3125a9659a90ab945f8f1ecca0b6d15cb 100644
--- a/en/application-dev/quick-start/typescript-to-arkts-migration-guide.md
+++ b/en/application-dev/quick-start/typescript-to-arkts-migration-guide.md
@@ -19,7 +19,7 @@ categories:
 
 PageBreak
 
-# How to Use The Cookbook
+# How to Use the Cookbook
 
 The main goal of this cookbook is to provide recipes for all partially
 supported features and explicitly list all unsupported features.
@@ -215,19 +215,15 @@ strong positive impact on performance at the cost of low-effort refactoring.
 ## Semantics of Operators Is Restricted
 
 To achieve better performance and encourage developers write clearer code,
-ArkTS restricts the semantics of some operators. A couple of examples are
-given below, and the full list of restrictions is outlined in [Recipes](#recipes).
+ArkTS restricts the semantics of some operators. An example is given below,
+and the full list of restrictions is outlined in [Recipes](#recipes).
 
 ### Example
 
 ```typescript
-// Operator `+` is defined for numbers and strings, but not for other types:
-class C {
-    // ...
-}
-let c1 : C = new C()
-let c2 : C = new C()
-console.log(c1 + c2) // Compile-time error
+// Unary `+` is defined only for numbers, but not for strings:
+console.log(+42) // OK
+console.log(+"42") // Compile-time error
 ```
 
 ### Rationale and Impact
@@ -358,12 +354,11 @@ console.log(z.get(2))
 **See also**
 
 * Recipe: Symbol() API is not supported
-* Recipe: Attempt to access an undefined property is a compile-time error
+* Recipe: Indexed access is not supported for fields
 * Recipe: delete operator is not supported
 * Recipe: typeof operator is allowed only in expression contexts
 * Recipe: in operator is not supported
 * Recipe: Property-based runtime type checks are not supported
-* Recipe: Dynamic property declaration is not supported
 * Recipe: Usage of standard library is restricted
 
 ## Recipe: `Symbol()` API is not supported
@@ -378,6 +373,9 @@ because its most popular use cases make no sense in the statically typed
 environment. In particular, the object layout is defined at compile time,
 and cannot be changed at runtime.
 
+`Symbol.iterator` and iterable interfaces are not supported either.
+Use arrays and library-level containers to iterate over data.
+
 **TypeScript**
 
 ```typescript
@@ -385,6 +383,26 @@ const sym = Symbol()
 let o = {
    [sym]: "value"
 }
+
+let obj = {
+    data: ['a', 'b', 'c'],
+    [Symbol.iterator]() {
+        const this_ = this
+        let index = 0
+        return {
+            next() {
+                return {
+                    done: index >= this_.data.length,
+                    value: 'name_' + this_.data[index++]
+                }
+            }
+        }
+    }
+}
+
+for (let t of obj) {
+    console.log(t)
+}
 ```
 
 **ArkTS**
@@ -394,17 +412,21 @@ class SomeClass {
     public someProperty : string = ""
 }
 let o = new SomeClass()
+
+let arr:string[] = ['a', 'b', 'c']
+for (let t of arr) {
+    console.log('name_' + t)
+}
 ```
 
 **See also**
 
 * Recipe: Objects with property names that are not identifiers are not supported
-* Recipe: Attempt to access an undefined property is a compile-time error
+* Recipe: Indexed access is not supported for fields
 * Recipe: delete operator is not supported
 * Recipe: typeof operator is allowed only in expression contexts
 * Recipe: in operator is not supported
 * Recipe: Property-based runtime type checks are not supported
-* Recipe: Dynamic property declaration is not supported
 * Recipe: Usage of standard library is restricted
 
 ## Recipe: Private ‘#’ identifiers are not supported
@@ -420,7 +442,7 @@ the keyword  `private` instead.
 
 ```typescript
 /*
- * Such notation for private fields is not supported:
+ * Such notation for private fields is not supported in ArkTS:
 class C {
     #foo: number = 42
 }
@@ -435,14 +457,14 @@ class C {
 }
 ```
 
-## Recipe: Use unique names for types, namespaces, etc.
+## Recipe: Use unique names for types and namespaces.
 
 **Rule `arkts-unique-names`**
 
 **Severity: error**
 
-Names for types, namespaces and so on must be unique and distinct from other
-names, e.g., variable names.
+Names for all types (classes, interfaces, enums) and namespaces must be unique
+and distinct from other names, e.g., variable names and function names.
 
 **TypeScript**
 
@@ -666,7 +688,7 @@ function fn(s: string): SomeObject {
 
 **Severity: error**
 
-ArkTS does not allow having sevaral static blocks for class initialization.
+ArkTS does not allow having several static blocks for class initialization.
 Combine static block statements into one static block.
 
 **TypeScript**
@@ -780,7 +802,7 @@ interface Employee extends Identity,  Contact {}
 **Severity: error**
 
 ArkTS does not support type notation using the `this` keyword (for example,
-specifying a method's return type `this` is not allowed). Use explicit type
+specifying a method’s return type `this` is not allowed). Use explicit type
 instead.
 
 **TypeScript**
@@ -836,7 +858,7 @@ type Y<T> = T extends Array<infer Item> ? Item : never
 **ArkTS**
 
 ```typescript
-// Provide explicit contraints within type alias
+// Provide explicit constraints within type alias
 type X1<T extends number> = T
 
 // Rewrite with Object. Less type control, need more type checks for safety
@@ -960,100 +982,103 @@ type N = number
 
 **Severity: error**
 
-ArkTS does not support indexed access for class fields. Use dot notation
-instead. An exception are all typed arrays from the standard library
+ArkTS does not support dynamic field declaration and access. Declare all
+object fields immediately in the class. Access only those class fields
+that are either declared in the class, or accessible via inheritance. Accessing
+any other fields is prohibited, and causes compile-time errors.
+
+To access a field, use `obj.field` syntax, indexed access (`obj["field"]`)
+is not supported. An exception are all typed arrays from the standard library
 (for example, `Int32Array`), which support access to their elements through
 `container[index]` syntax.
 
 **TypeScript**
 
 ```typescript
-class Point {x: number = 0; y: number = 0}
+class Point {
+    x: number = 0
+    y: number = 0
+}
 let p: Point = {x: 1, y: 2}
-let x = p["x"]
+console.log(p["x"])
+
+class Person {
+    name: string = ""
+    age: number = 0; // semicolon is required here
+    [key: string]: string | number
+}
+
+let person: Person = {
+    name: "John",
+    age: 30,
+    email: "***@example.com",
+    phoneNumber: "18*********",
+}
 ```
 
 **ArkTS**
 
 ```typescript
-class Point {x: number = 0; y: number = 0}
+class Point {
+    x: number = 0
+    y: number = 0
+}
 let p: Point = {x: 1, y: 2}
-let x = p.x
+console.log(p.x)
+
+class Person {
+    name: string
+    age: number
+    email: string
+    phoneNumber: string
+
+    constructor(name: string, age: number, email: string,
+                phoneNumber: string) {
+        this.name = name
+        this.age = age
+        this.email = email
+        this.phoneNumber = phoneNumber
+    }
+}
+
+let person = new Person("John", 30, "***@example.com", "18*********")
+console.log(person["name"])         // Compile-time error
+console.log(person.unknownProperty) // Compile-time error
 
 let arr = new Int32Array(1)
 console.log(arr[0])
 ```
 
-## Recipe: Structural identity is not supported
+## Recipe: Structural typing is not supported
 
-**Rule `arkts-no-structural-identity`**
+**Rule `arkts-no-structural-typing`**
 
 **Severity: error**
 
-Currently, ArkTS does not support structural identity, i.e., the compiler
+Currently, ArkTS does not support structural typing, i.e., the compiler
 cannot compare public APIs of two types and decide whether such types are
 identical. Use other mechanisms (inheritance, interfaces or type aliases)
 instead.
 
-In the examples below, types `X` and `Y` are equivalent (interchangeble)
-in TypeScript, while in ArkTS they are not.
-
 **TypeScript**
 
 ```typescript
-interface X {
-    f(): string
-}
-
-interface Y { // Y is equal to X
+interface I1 {
     f(): string
 }
-```
-
-**ArkTS**
 
-```typescript
-interface X {
+interface I2 { // I2 is structurally equivalent to I1
     f(): string
 }
 
-type Y = X // Y is equal to X
-```
-
-**See also**
-
-* Recipe: Structural typing is not supported for subtyping / supertyping
-* Recipe: Structural typing is not supported for assignability checks
-* Recipe: Structural typing is not supported for type inference
-
-## Recipe: Structural typing is not supported for subtyping / supertyping
-
-**Rule `arkts-no-structural-subtyping`**
-
-**Severity: error**
-
-Currently, ArkTS does not check structural equivalence for type inference,
-i.e., the compiler cannot compare public APIs of two types and decide whether
-such types are identical. Use other mechanisms (inheritance or interfaces)
-instead.
-
-**TypeScript**
-
-```typescript
 class X {
-    public foo: number
-
-    constructor() {
-        this.foo = 0
-    }
+    n: number = 0
+    s: string = ""
 }
 
-class Y {
-    public foo: number
-
-    constructor() {
-        this.foo = 0
-    }
+class Y { // Y is structurally equivalent to X
+    n: number = 0
+    s: string = ""
 }
 
 let x = new X()
@@ -1064,104 +1089,62 @@ y = x
 
 console.log("Assign Y to X")
 x = y
-```
 
-**ArkTS**
-
-```typescript
-class X {
-    public foo: number
-
-    constructor() {
-        this.foo = 0
-    }
+function foo(x: X) {
+    console.log(x.n, x.s)
 }
 
-// Y is derived from X, which explicitly set subtype / supertype relations:
-class Y extends X {
-    constructor() {
-        super()
-    }
-}
-
-let x = new X()
-let y = new Y()
-
-console.log("Assign Y to X")
-x = y // ok, X is the super class of Y
-
-// Cannot assign X to Y
-//y = x - compile-time error
+// X and Y are equivalent because their public API is equivalent.
+// Thus the second call is allowed:
+foo(new X())
+foo(new Y())
 ```
 
-**See also**
-
-* Recipe: Structural identity is not supported
-* Recipe: Structural typing is not supported for assignability checks
-* Recipe: Structural typing is not supported for type inference
-
-## Recipe: Structural typing is not supported for assignability checks
-
-**Rule `arkts-no-structural-assignability`**
-
-**Severity: error**
-
-Currently, ArkTS does not check structural equivalence when checking if types
-are assignable to each other, i.e., the compiler cannot compare public APIs of
-two types and decide whether such types are identical. Use other mechanisms
-(inheritance or interfaces) instead.
-
-**TypeScript**
+**ArkTS**
 
 ```typescript
-class X {
-    public foo: number
+interface I1 {
+    f(): string
+}
 
-    constructor() {
-       this.foo = 0
-    }
+type I2 = I1 // I2 is an alias for I1
+
+class B {
+    n: number = 0
+    s: string = ""
 }
 
-class Y {
-    public foo: number
+// D is derived from B, which explicitly set subtype / supertype relations:
+class D extends B {
     constructor() {
-        this.foo = 0
+        super()
     }
 }
 
-let x = new X()
-let y = new Y()
-
-console.log("Assign X to Y")
-y = x
+let b = new B()
+let d = new D()
 
-console.log("Assign Y to X")
-x = y
-```
+console.log("Assign D to B")
+b = d // ok, B is the superclass of D
 
-**ArkTS**
+// An attempt to assign b to d will result in a compile-time error:
+// d = b
 
-```typescript
 interface Z {
-   foo: number
+   n: number
+   s: string
 }
 
 // X implements interface Z, which makes relation between X and Y explicit.
 class X implements Z {
-    public foo: number
-
-    constructor() {
-       this.foo = 0
-    }
+    n: number = 0
+    s: string = ""
 }
 
 // Y implements interface Z, which makes relation between X and Y explicit.
 class Y implements Z {
-    public foo: number
-
-    constructor() {
-       this.foo = 0
-    }
+    n: number = 0
+    s: string = ""
 }
 
 let x: Z = new X()
@@ -1172,13 +1155,15 @@ y = x // ok, both are of the same type
 
 console.log("Assign Y to X")
 x = y // ok, both are of the same type
-```
 
-**See also**
+function foo(c: Z): void {
+    console.log(c.n, c.s)
+}
 
-* Recipe: Structural identity is not supported
-* Recipe: Structural typing is not supported for subtyping / supertyping
-* Recipe: Structural typing is not supported for type inference
+// X and Y implement the same interface, thus both calls are allowed:
+foo(new X())
+foo(new Y())
+```
 
 ## Recipe: Type inference in case of generic function calls is limited
 
@@ -1223,101 +1208,6 @@ function greet<T>(): T {
 let z = greet<string>()
 ```
 
-## Recipe: Structural typing is not supported for type inference
-
-**Rule `arkts-no-structural-inference`**
-
-**Severity: error**
-
-Currently, ArkTS does not support structural typing, i.e., the compiler cannot
-compare public APIs of two types and decide whether such types are identical.
-Use inheritance and interfaces to specify the relation between the types
-explicitly.
-
-**TypeScript**
-
-```typescript
-class X  {
-    public foo: number
-    private s: string
-
-    constructor (f: number) {
-        this.foo = f
-        this.s = ""
-    }
-
-    public say(): void {
-       console.log("X = ", this.foo)
-    }
-}
-
-class Y {
-    public foo: number
-
-    constructor (f: number) {
-        this.foo = f
-    }
-    public say(): void {
-        console.log("Y = ", this.foo)
-    }
-}
-
-function bar(z: X): void {
-    z.say()
-}
-
-// X and Y are equivalent because their public API is equivalent.
-// Thus the second call is allowed:
-bar(new X(1))
-bar(new Y(2) as X)
-```
-
-**ArkTS**
-
-```typescript
-interface Z {
-   say(): void
-}
-
-class X implements Z {
-    public foo: number
-    private s: string
-
-    constructor (f: number) {
-        this.foo = f
-        this.s = ""
-    }
-    public say(): void {
-        console.log("X = ", this.foo)
-    }
-}
-
-class Y implements Z {
-    public foo: number
-
-    constructor (f: number) {
-        this.foo = f
-    }
-    public say(): void {
-        console.log("Y = ", this.foo)
-    }
-}
-
-function bar(z: Z): void {
-    z.say()
-}
-
-// X and Y implement the same interface Z, thus both calls are allowed:
-bar(new X(1))
-bar(new Y(2))
-```
-
-**See also**
-
-* Recipe: Structural identity is not supported
-* Recipe: Structural typing is not supported for subtyping / supertyping
-* Recipe: Structural typing is not supported for assignability checks
-
 ## Recipe: RegExp literals are not supported
 
 **Rule `arkts-no-regexp-literals`**
@@ -1475,7 +1365,7 @@ id_x_y({x: 5, y: 10})
 **See also**
 
 * Recipe: Object literals cannot be used as type declarations
-* Recipe: Array literals must contain elements of only inferrable types
+* Recipe: Array literals must contain elements of only inferable types
 
 ## Recipe: Object literals cannot be used as type declarations
 
@@ -1513,17 +1403,17 @@ type S = Set<O>
 **See also**
 
 * Recipe: Object literal must correspond to some explicitly declared class or interface
-* Recipe: Array literals must contain elements of only inferrable types
+* Recipe: Array literals must contain elements of only inferable types
 
-## Recipe: Array literals must contain elements of only inferrable types
+## Recipe: Array literals must contain elements of only inferable types
 
-**Rule `arkts-no-noninferrable-arr-literals`**
+**Rule `arkts-no-noninferable-arr-literals`**
 
 **Severity: error**
 
 Basically, ArkTS infers the type of an array literal as a union type of its
 contents. However, a compile-time error occurs if there is at least one
-element with a non-inferrable type (e.g. untyped object literal).
+element with a non-inferable type (e.g. untyped object literal).
 
 **TypeScript**
 
@@ -1674,57 +1564,6 @@ class C1 implements C {
 }
 ```
 
-## Recipe: Attempt to access an undefined property is a compile-time error
-
-**Rule `arkts-no-undefined-prop-access`**
-
-**Severity: error**
-
-ArkTS supports accessing only those class properties that are either declared
-in the class, or accessible via inheritance. Accessing any other properties is
-prohibited, and causes compile-time errors. Use proper types to check property
-existence during compilation.
-
-**TypeScript**
-
-```typescript
-let person = {name: "Bob", isEmployee: true}
-
-let n = person["name"]
-let e = person["isEmployee"]
-let s = person["office"] // Compile-time error only with noImplicitAny
-```
-
-**ArkTS**
-
-```typescript
-class Person {
-    constructor(name: string, isEmployee: boolean) {
-        this.name = name
-        this.isEmployee = isEmployee
-    }
-
-    name: string
-    isEmployee: boolean
-}
-
-let person = new Person("Bob", true)
-let n = person.name
-let e = person.isEmployee
-let s = person.office // Compile-time error
-```
-
-**See also**
-
-* Recipe: Objects with property names that are not identifiers are not supported
-* Recipe: Symbol() API is not supported
-* Recipe: delete operator is not supported
-* Recipe: typeof operator is allowed only in expression contexts
-* Recipe: in operator is not supported
-* Recipe: Property-based runtime type checks are not supported
-* Recipe: Dynamic property declaration is not supported
-* Recipe: Usage of standard library is restricted
-
 ## Recipe: Only `as T` syntax is supported for type casts
 
 **Rule `arkts-as-casts`**
@@ -1892,11 +1731,10 @@ p.y = null
 
 * Recipe: Objects with property names that are not identifiers are not supported
 * Recipe: Symbol() API is not supported
-* Recipe: Attempt to access an undefined property is a compile-time error
+* Recipe: Indexed access is not supported for fields
 * Recipe: typeof operator is allowed only in expression contexts
 * Recipe: in operator is not supported
 * Recipe: Property-based runtime type checks are not supported
-* Recipe: Dynamic property declaration is not supported
 
 ## Recipe: `typeof` operator is allowed only in expression contexts
 
@@ -1933,72 +1771,12 @@ let s2: string
 
 * Recipe: Objects with property names that are not identifiers are not supported
 * Recipe: Symbol() API is not supported
-* Recipe: Attempt to access an undefined property is a compile-time error
+* Recipe: Indexed access is not supported for fields
 * Recipe: delete operator is not supported
 * Recipe: in operator is not supported
 * Recipe: Property-based runtime type checks are not supported
-* Recipe: Dynamic property declaration is not supported
 * Recipe: Usage of standard library is restricted
 
-## Recipe: Binary `+` operator supports implicit casts only for numbers, enums and strings
-
-**Rule `arkts-no-polymorphic-plus`**
-
-**Severity: error**
-
-If one of the operands of the binary `+` operator is of the string type
-(including enum string constant), then the other operand can be of any type,
-and its value is implicitly converted to string.
-Otherwise, ArkTS supports implicit casts with `+` only for numbers and
-numeric enum constants.
-ArkTS, like TypeScript, does not support the operator `+` for the booleans.
-Elsewhere, any form of an explicit cast is required.
-
-**TypeScript**
-
-```typescript
-enum E { E1, E2 }
-
-let a = 10 + 32   // 42
-let b = E.E1 + 10 // 10
-let c = 10 + "5"  // "105"
-
-let d = "5" + E.E2 // "51"
-let e = "Hello, " + "world!" // "Hello, world!"
-let f = "string" + true // "stringtrue"
-
-let g = (new Object()) + "string" // "[object Object]string"
-
-let i = true + true // compile-time error
-let j = true + 2    // compile-time error
-let k = E.E1 + true // compile-time error
-```
-
-**ArkTS**
-
-```typescript
-enum E { E1, E2 }
-
-let a = 10 + 32   // 42
-let b = E.E1 + 10 // 10
-let c = 10 + "5"  // "105"
-
-let d = "5" + E.E2 // "51"
-let e = "Hello, " + "world!" // "Hello, world!"
-let f = "string" + true // "stringtrue"
-
-let g = (new Object()).toString() + "string"
-
-
-let i = true + true // compile-time error
-let j = true + 2    // compile-time error
-let k = E.E1 + true // compile-time error
-```
-
-**See also**
-
-* Recipe: Unary operators +, - and ~ work only on numbers
-
 ## Recipe: `instanceof` operator is partially supported
 
 **Rule `arkts-instanceof-ref-types`**
@@ -2076,11 +1854,10 @@ let b = p instanceof Person // true, and "name" is guaranteed to be present
 
 * Recipe: Objects with property names that are not identifiers are not supported
 * Recipe: Symbol() API is not supported
-* Recipe: Attempt to access an undefined property is a compile-time error
+* Recipe: Indexed access is not supported for fields
 * Recipe: delete operator is not supported
 * Recipe: typeof operator is allowed only in expression contexts
 * Recipe: Property-based runtime type checks are not supported
-* Recipe: Dynamic property declaration is not supported
 * Recipe: Usage of standard library is restricted
 
 ## Recipe: Destructuring assignment is not supported
@@ -2200,35 +1977,6 @@ let x = zp.x
 let y = zp.y
 ```
 
-## Recipe: Inference of implied types is not supported
-
-**Rule `arkts-no-implied-inference`**
-
-**Severity: error**
-
-Currently, ArkTS does not support inference of implied types.
-Use explicit type notation instead.
-Use `Object[]` if you need containers that hold data of mixed types.
-
-**TypeScript**
-
-```typescript
-let [a, b, c] = [1, "hello", true]
-```
-
-**ArkTS**
-
-```typescript
-let a = 1
-let b = "hello"
-let c = true
-
-let arr: Object[] = [1, "hello", true]
-let a1 = arr[0]
-let b1 = arr[1]
-let c1 = arr[2]
-```
-
 ## Recipe: Type annotation in catch clause is not supported
 
 **Rule `arkts-no-types-in-catch`**
@@ -2295,23 +2043,6 @@ for (let i = 0; i < a.length; ++i) {
 
 **See also**
 
-* Recipe: Iterable interfaces are not supported
-* Recipe: for-of is supported only for arrays and strings
-
-## Recipe: Iterable interfaces are not supported
-
-**Rule `arkts-no-iterable`**
-
-**Severity: error**
-
-ArkTS does not support the `Symbol` API, `Symbol.iterator` and
-eventually iterable interfaces. Use arrays and library-level containers to
-iterate over data.
-
-**See also**
-
-* Recipe: Symbol() API is not supported
-* Recipe: for .. in is not supported
 * Recipe: for-of is supported only for arrays and strings
 
 ## Recipe: `for-of` is supported only for arrays and strings
@@ -2346,7 +2077,6 @@ for (let n of numbers) {
 **See also**
 
 * Recipe: for .. in is not supported
-* Recipe: Iterable interfaces are not supported
 
 ## Recipe: Mapped type expression is not supported
 
@@ -2355,7 +2085,7 @@ for (let n of numbers) {
 **Severity: error**
 
 ArkTS does not support mapped types. Use other language idioms and regular
-classes to achieve that same behaviour.
+classes to achieve that same behavior.
 
 **TypeScript**
 
@@ -2390,7 +2120,7 @@ class CFlags {
 **Severity: error**
 
 ArkTS does not support the `with` statement. Use other language idioms
-(including fully qualified names of functions) to achieve that same behaviour.
+(including fully qualified names of functions) to achieve that same behavior.
 
 **TypeScript**
 
@@ -2408,96 +2138,6 @@ let r: number = 42
 console.log("Area: ", Math.PI * r * r)
 ```
 
-## Recipe: Values computed at runtime are not supported in `case` statements
-
-**Rule `arkts-no-computed-case`**
-
-**Severity: error**
-
-ArkTS supports `case` statements that contain only compile-time values,
-top-level scope `const` values, and `static readonly` class fields.
-Use `if` statements as an alternative.
-
-**TypeScript**
-
-```typescript
-let x = 2
-let y = 3
-switch (x) {
-    case 1:
-        console.log(1)
-        break
-    case 2:
-        console.log(2)
-        break
-    case y:
-        console.log(y)
-        break
-    default:
-        console.log("other")
-}
-```
-
-**ArkTS**
-
-```typescript
-let x = 2
-switch (x) {
-    case 1:
-        console.log(1)
-        break
-    case 2:
-        console.log(2)
-        break
-    case 3:
-        console.log(3)
-        break
-    default:
-        console.log("other")
-}
-```
-
-## Recipe: `switch` statements cannot accept values of arbitrary types
-
-**Rule `arkts-limited-switch`**
-
-**Severity: error**
-
-ArkTS restricts the types that are supported in `switch` statements. In
-particular, values of the types `number`, `Number`, `string`, `String`
-or `enum` are supported. Use `if` statements in case of unsupported types.
-
-**TypeScript**
-
-```typescript
-class Point {
-    x: number = 0
-    y: number = 0
-}
-
-let a = new Point()
-
-switch (a) {
-    case null: break
-    default: console.log("not null")
-}
-```
-
-**ArkTS**
-
-```typescript
-class Point {
-    x: number = 0
-    y: number = 0
-}
-
-let a = new Point()
-
-if (a != null) {
-    console.log("not null")
-}
-```
-
 ## Recipe: `throw` statements cannot accept values of arbitrary types
 
 **Rule `arkts-limited-throw`**
@@ -2668,8 +2308,8 @@ function addNum(a: number, b: number): void {
 
 **Severity: error**
 
-ArkTS does not support the usage of `this` inside stand-alone functions.
-`this` can be used in methods only.
+ArkTS does not support the usage of `this` inside stand-alone functions and
+inside static methods. `this` can be used in instance methods only.
 
 **TypeScript**
 
@@ -2738,7 +2378,7 @@ for (let num of counter(1, 5)) {
 
 ```typescript
 async function complexNumberProcessing(n : number) : Promise<number> {
-    // Some complex logic for proccessing the number here
+    // Some complex logic for processing the number here
     return n
 }
 
@@ -2946,7 +2586,7 @@ let p3d = new Point3D({x: 1, y: 2} as Point2D, 3)
 console.log(p3d.x, p3d.y, p3d.z)
 ```
 
-## Recipe: Interface declarations (extends same property)
+## Recipe: Interface can not extend interfaces with the same method
 
 **Rule `arkts-no-extend-same-prop`**
 
@@ -3049,8 +2689,8 @@ class C implements Mover, Shaker {
 
 **Severity: error**
 
-ArkTS does not support merging declratations. Keep all definitions of classes,
-interfaces and so on compact in the codebase.
+ArkTS does not support merging declarations. Keep all definitions of classes
+and interfaces compact in the codebase.
 
 **TypeScript**
 
@@ -3175,11 +2815,10 @@ function main(): void {
 
 * Recipe: Objects with property names that are not identifiers are not supported
 * Recipe: Symbol() API is not supported
-* Recipe: Attempt to access an undefined property is a compile-time error
+* Recipe: Indexed access is not supported for fields
 * Recipe: delete operator is not supported
 * Recipe: typeof operator is allowed only in expression contexts
 * Recipe: in operator is not supported
-* Recipe: Dynamic property declaration is not supported
 * Recipe: Usage of standard library is restricted
 
 ## Recipe: Constructor function type is not supported
@@ -3232,67 +2871,6 @@ let Impersonizer: PersonCtor = (n: string, a: number): Person => {
 const person = createPerson(Impersonizer, "John", 30)
 ```
 
-## Recipe: Dynamic property declaration is not supported
-
-**Rule `arkts-no-dyn-prop-decl`**
-
-**Severity: error**
-
-ArkTS does not support dynamic property declaration. Declare all object
-properties immediately in the class. While replacement for an array of
-objects is possible, it is still better to adhere to the static language
-paradigm, and declare fields, their names and types explicitly.
-
-**TypeScript**
-
-```typescript
-class Person {
-    name: string = ""
-    age: number = 0; // semicolon is required here
-    [key: string]: string | number
-}
-
-const person: Person = {
-    name: "John",
-    age: 30,
-    email: "john@example.com",
-    phoneNumber: 1234567890,
-}
-```
-
-**ArkTS**
-
-```typescript
-class Person {
-    name: string
-    age: number
-    email: string
-    phoneNumber: number
-
-    constructor(name: string, age: number, email: string, phoneNumber: number) {
-        this.name = name
-        this.age = age
-        this.email = email
-        this.phoneNumber = phoneNumber
-    }
-}
-
-function main(): void {
-    const person: Person = new Person("John", 30, "john@example.com", 1234567890)
-}
-```
-
-**See also**
-
-* Recipe: Objects with property names that are not identifiers are not supported
-* Recipe: Symbol() API is not supported
-* Recipe: Attempt to access an undefined property is a compile-time error
-* Recipe: delete operator is not supported
-* Recipe: typeof operator is allowed only in expression contexts
-* Recipe: in operator is not supported
-* Recipe: Property-based runtime type checks are not supported
-* Recipe: Usage of standard library is restricted
-
 ## Recipe: Enumeration members can be initialized only with compile time expressions of the same type
 
 **Rule `arkts-no-enum-mixed-types`**
@@ -3347,7 +2925,7 @@ enum E2 {
 
 **Severity: error**
 
-ArkTS does not support merging declratations for `enum`. Keep the
+ArkTS does not support merging declarations for `enum`. Keep the
 declaration of each `enum` compact in the codebase.
 
 **TypeScript**
@@ -3414,7 +2992,7 @@ MyNamespace.x = 2
 
 **Severity: error**
 
-ArkTS does not support statements in namespaces. Use a function to exectute
+ArkTS does not support statements in namespaces. Use a function to execute
 statements.
 
 **TypeScript**
@@ -3498,7 +3076,7 @@ import "path/to/module"
 **ArkTS**
 
 ```typescript
-import * from "path/to/module"
+import * as m from "path/to/module"
 ```
 
 ## Recipe: `import default as ...` is not supported
@@ -3591,6 +3169,9 @@ export class C2 {
 export { Class1 } from "module1"
 export { C2 as Class2 } from "module1"
 
+// Re-exporting by wild-card is also supported:
+// export * from "module1"
+
 // consumer module
 import { Class1, Class2 } from "module2"
 ```
@@ -3746,7 +3327,7 @@ declare namespace N {
 }
 
 // Consuming code:
-import * from "module"
+import * as m from "module"
 console.log("N.foo called: ", N.foo(42))
 ```
 
@@ -4115,7 +3696,7 @@ function readFileSync(path : string) : number[] {
     return []
 }
 
-function decodeImageSync(contrents : number[]) {
+function decodeImageSync(contents : number[]) {
     // ...
 }
 
@@ -4347,11 +3928,10 @@ Properties and functions of the global object: `eval`,
 
 * Recipe: Objects with property names that are not identifiers are not supported
 * Recipe: Symbol() API is not supported
-* Recipe: Attempt to access an undefined property is a compile-time error
+* Recipe: Indexed access is not supported for fields
 * Recipe: typeof operator is allowed only in expression contexts
 * Recipe: in operator is not supported
 * Recipe: Property-based runtime type checks are not supported
-* Recipe: Dynamic property declaration is not supported
 * Recipe: globalThis is not supported
 
 ## Recipe: Strict type checking is enforced
@@ -4563,3 +4143,4 @@ class C {
     n: number = 0
 }
 ```
+
diff --git a/en/application-dev/reference/apis/js-apis-bluetooth-ble.md b/en/application-dev/reference/apis/js-apis-bluetooth-ble.md
index 03c7b7eded3243a25730c8b14b79613315764b1a..3fc732259472842cc9dff52fdeed6d154e99ab4c 100644
--- a/en/application-dev/reference/apis/js-apis-bluetooth-ble.md
+++ b/en/application-dev/reference/apis/js-apis-bluetooth-ble.md
@@ -744,7 +744,7 @@ Subscribes to characteristic write request events.
 
 | Name     | Type                                      | Mandatory  | Description                                    |
 | -------- | ---------------------------------------- | ---- | -------------------------------------- |
-| type     | string                                   | Yes   | Event type. The value **characteristicWrite** indicates a characteristic write request event.|
+| type     | string                                   | Yes   | Event type. The value is **characteristicWrite**, which indicates a characteristic write request event.|
 | callback | Callback&lt;[CharacteristicWriteRequest](#characteristicwriterequest)&gt; | Yes   | Callback invoked to return a characteristic write request from the GATT client.            |
 
 **Example**
@@ -983,6 +983,66 @@ gattServer.off('connectionStateChange');
 ```
 
 
+### on('BLEMtuChange')
+
+on(type: 'BLEMtuChange', callback: Callback&lt;number&gt;): void
+
+Subscribes to MTU status changes for the server.
+
+**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
+
+**System capability**: SystemCapability.Communication.Bluetooth.Core
+
+**Parameters**
+
+| Name     | Type                                      | Mandatory  | Description                                      |
+| -------- | ---------------------------------------- | ---- | ---------------------------------------- |
+| type     | string                                   | Yes   | Type of event to subscribe to. The value is **BLEMtuChange**, which indicates the MTU status changes. If this parameter is not set correctly, the callback cannot be registered.|
+| callback | Callback&lt;number&gt; | Yes   | Callback invoked to return the number of MTU bytes.|
+
+**Example**
+
+```js
+try {
+    let gattServer = ble.createGattServer();
+    gattServer.on('BLEMtuChange', (mtu) => {
+      console.info('BLEMtuChange, mtu: ' + mtu);
+    });
+} catch (err) {
+    console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
+}
+```
+
+
+### off('BLEMtuChange')
+
+off(type: 'BLEMtuChange', callback?: Callback&lt;number&gt;): void
+
+Unsubscribes from MTU status changes for the server.
+
+**Required permissions**: ohos.permission.ACCESS_BLUETOOTH
+
+**System capability**: SystemCapability.Communication.Bluetooth.Core
+
+**Parameters**
+
+| Name     | Type                                      | Mandatory  | Description                                      |
+| -------- | ---------------------------------------- | ---- | ---------------------------------------- |
+| type     | string                                   | Yes   | Type of event to unsubscribe from. The value is **BLEMtuChange**, which indicates the MTU status changes. If this parameter is not set correctly, the callback cannot be unregistered.|
+| callback | Callback&lt;number&gt; | No   | Callback for the MTU status changes. If this parameter is not set, this API unsubscribes from all callbacks corresponding to **type**.|
+
+**Example**
+
+```js
+try {
+    let gattServer = ble.createGattServer();
+    gattServer.off('BLEMtuChange');
+} catch (err) {
+    console.error('errCode: ' + err.code + ', errMessage: ' + err.message);
+}
+```
+
+
 ## GattClientDevice
 
 Implements the GATT client. Before using an API of this class, you must create a **GattClientDevice** instance using **createGattClientDevice(deviceId: string)**.
@@ -2179,7 +2239,7 @@ try {
 
 on(type: 'BLEMtuChange', callback: Callback&lt;number&gt;): void
 
-Subscribes to MTU status changes.
+Subscribes to MTU status changes for the client.
 
 **Required permissions**: ohos.permission.ACCESS_BLUETOOTH
 
@@ -2189,8 +2249,8 @@ Subscribes to MTU status changes.
 
 | Name     | Type                                      | Mandatory  | Description                                      |
 | -------- | ---------------------------------------- | ---- | ---------------------------------------- |
-| type     | string                                   | Yes   | Event type. The value is **BLEMtuChange**, which indicates a MTU status change event.|
-| callback | Callback&lt;number&gt; | Yes   | Callback invoked to return the MTU status, which can be connected or disconnected.|
+| type     | string                                   | Yes   | Type of event to subscribe to. The value is **BLEMtuChange**, which indicates the MTU status changes. If this parameter is not set correctly, the callback cannot be registered.|
+| callback | Callback&lt;number&gt; | Yes   | Callback invoked to return the number of MTU bytes.|
 
 **Example**
 
@@ -2210,7 +2270,7 @@ try {
 
 off(type: 'BLEMtuChange', callback?: Callback&lt;number&gt;): void
 
-Unsubscribes from MTU status changes.
+Unsubscribes from MTU status changes for the client.
 
 **Required permissions**: ohos.permission.ACCESS_BLUETOOTH
 
@@ -2220,8 +2280,8 @@ Unsubscribes from MTU status changes.
 
 | Name     | Type                                      | Mandatory  | Description                                      |
 | -------- | ---------------------------------------- | ---- | ---------------------------------------- |
-| type     | string                                   | Yes   | Event type. The value is **BLEMtuChange**, which indicates a MTU status change event.|
-| callback | Callback&lt;number&gt; | No   | Callback for MTU status changes. If this parameter is not set, this API unsubscribes from all callbacks corresponding to **type**.|
+| type     | string                                   | Yes   | Type of event to unsubscribe from. The value is **BLEMtuChange**, which indicates the MTU status changes. If this parameter is not set correctly, the callback cannot be unregistered.|
+| callback | Callback&lt;number&gt; | No   | Callback for the MTU status changes. If this parameter is not set, this API unsubscribes from all callbacks corresponding to **type**.|
 
 **Example**
 
diff --git a/en/application-dev/reference/apis/js-apis-cardEmulation.md b/en/application-dev/reference/apis/js-apis-cardEmulation.md
index 946ebd2f881fe66a7ec6b0afc8e308d254a6f68c..59bfac2a827d240ed0ffe39fb3a99e5d35bab9b9 100644
--- a/en/application-dev/reference/apis/js-apis-cardEmulation.md
+++ b/en/application-dev/reference/apis/js-apis-cardEmulation.md
@@ -100,6 +100,182 @@ Checks whether an application is the default application of the specified servic
 | ------- | ------------------------------------ |
 | boolean | Returns **true** if the application is the default payment application; returns **false** otherwise.|
 
+## HceService<sup>8+</sup>
+
+Implements HCE, including receiving Application Protocol Data Units (APDUs) from the peer card reader and sending a response. Before using HCE-related APIs, check whether the device supports HCE. This API is used only for declaration and cannot be used currently.
+
+### startHCE<sup>8+</sup>
+
+startHCE(aidList: string[]): boolean
+
+Starts HCE, including setting the application to be foreground preferred and dynamically registering the application identifier (AID) list. This API is used only for declaration and cannot be used currently.
+
+> **NOTE**
+> This API is supported since API version 8 and deprecated since API version 9. You are advised to use [start](#start9).
+
+**Required permissions**: ohos.permission.NFC_CARD_EMULATION
+
+**System capability**: SystemCapability.Communication.NFC.CardEmulation
+
+**Parameters**
+
+| Name | Type    | Mandatory| Description                   |
+| ------- | -------- | ---- | ----------------------- |
+| aidList | string[] | Yes  | AID list to register.|
+
+### start<sup>9+</sup>
+
+start(elementName: ElementName, aidList: string[]): void
+
+Starts HCE, including setting the application to be foreground preferred and dynamically registering the application identifier (AID) list. This API is used only for declaration and cannot be used currently.
+
+**Required permissions**: ohos.permission.NFC_CARD_EMULATION
+
+**System capability**: SystemCapability.Communication.NFC.CardEmulation
+
+**Parameters**
+
+| Name | Type    | Mandatory| Description                   |
+| ------- | -------- | ---- | ----------------------- |
+| elementName | ElementName | Yes  | Element name of a service capability.|
+| aidList | string[] | Yes  | AID list to register.|
+
+**Error codes**
+
+For details about the error codes, see [NFC Error Codes](../errorcodes/errorcode-nfc.md).
+
+| ID| Error Message |
+| ------- | -------|
+| 3100301 | Card emulation running state is abnormal in service. |
+
+### stopHCE<sup>8+</sup>
+
+stopHCE(): boolean
+
+Stops HCE, including removing the foreground preferred attribute and releasing the dynamically registered AID list. This API is used only for declaration and cannot be used currently.
+
+> **NOTE**
+> This API is supported since API version 8 and deprecated since API version 9. You are advised to use [stop](#stop).
+
+**Required permissions**: ohos.permission.NFC_CARD_EMULATION
+
+**System capability**: SystemCapability.Communication.NFC.CardEmulation
+
+### stop<sup>9+</sup>
+
+stop(elementName: ElementName): void;
+
+Stops HCE, including removing the foreground preferred attribute and releasing the dynamically registered AID list. This API is used only for declaration and cannot be used currently.
+
+**Required permissions**: ohos.permission.NFC_CARD_EMULATION
+
+**System capability**: SystemCapability.Communication.NFC.CardEmulation
+
+**Parameters**
+
+| Name | Type    | Mandatory| Description                   |
+| ------- | -------- | ---- | ----------------------- |
+| elementName | ElementName | Yes  | Element name of a service capability.|
+
+**Error codes**
+
+For details about the error codes, see [NFC Error Codes](../errorcodes/errorcode-nfc.md).
+
+| ID| Error Message |
+| ------- | -------|
+| 3100301 | Card emulation running state is abnormal in service. |
+
+### on<sup>8+</sup>
+
+on(type: "hceCmd", callback: AsyncCallback<number[]>): void;
+
+Registers a callback to receive APDUs from the peer card reader. This API is used only for declaration and cannot be used currently.
+
+**Required permissions**: ohos.permission.NFC_CARD_EMULATION
+
+**System capability**: SystemCapability.Communication.NFC.CardEmulation
+
+**Parameters**
+
+| Name  | Type                   | Mandatory| Description                                        |
+| -------- | ----------------------- | ---- | -------------------------------------------- |
+| type     | string                  | Yes  | Event type to subscribe to. The value is **hceCmd**.                        |
+| callback | AsyncCallback<number[]> | Yes  | Callback invoked to return the APDU, which consists of hexadecimal numbers ranging from **0x00** to **0xFF**.|
+
+### sendResponse<sup>8+</sup>
+
+sendResponse(responseApdu: number[]): void;
+
+Sends a response to the peer card reader. This API is used only for declaration and cannot be used currently.
+
+> **NOTE**
+> This API is supported since API version 8 and deprecated since API version 9. You are advised to use [transmit](#transmit9).
+
+**Required permissions**: ohos.permission.NFC_CARD_EMULATION
+
+**System capability**: SystemCapability.Communication.NFC.CardEmulation
+
+**Parameters**
+
+| Name      | Type    | Mandatory| Description                                              |
+| ------------ | -------- | ---- | -------------------------------------------------- |
+| responseApdu | number[] | Yes  | Response APDU sent to the peer card reader. The value consists of hexadecimal numbers ranging from **0x00** to **0xFF**.|
+
+### transmit<sup>9+</sup>
+
+transmit(response: number[]): Promise\<void>;
+
+Sends a response to the peer card reader. This API is used only for declaration and cannot be used currently.
+
+**Required permissions**: ohos.permission.NFC_CARD_EMULATION
+
+**System capability**: SystemCapability.Communication.NFC.CardEmulation
+
+**Parameters**
+
+| Name      | Type    | Mandatory| Description                                              |
+| ------------ | -------- | ---- | -------------------------------------------------- |
+| responseApdu | number[] | Yes  | Response APDU sent to the peer card reader. The value consists of hexadecimal numbers ranging from **0x00** to **0xFF**.|
+
+**Return value**
+
+| **Type** | **Description**                                |
+| ------- | -------------------------------------- |
+| Promise\<void> | Promise that returns no value.|
+
+**Error codes**
+
+For details about the error codes, see [NFC Error Codes](../errorcodes/errorcode-nfc.md).
+
+| ID| Error Message |
+| ------- | -------|
+| 3100301 | Card emulation running state is abnormal in service. |
+
+### transmit<sup>9+</sup>
+
+transmit(response: number[], callback: AsyncCallback\<void>): void;
+
+Sends a response to the peer card reader. This API is used only for declaration and cannot be used currently.
+
+**Required permissions**: ohos.permission.NFC_CARD_EMULATION
+
+**System capability**: SystemCapability.Communication.NFC.CardEmulation
+
+**Parameters**
+
+| Name | Type    | Mandatory| Description                   |
+| ------- | -------- | ---- | ----------------------- |
+| responseApdu | number[] | Yes  | Response APDU sent to the peer card reader. The value consists of hexadecimal numbers ranging from **0x00** to **0xFF**.|
+| callback | AsyncCallback\<void> | Yes  | Callback that returns no value.|
+
+**Error codes**
+
+For details about the error codes, see [NFC Error Codes](../errorcodes/errorcode-nfc.md).
+
+| ID| Error Message |
+| ------- | -------|
+| 3100301 | Card emulation running state is abnormal in service. |
+
 **Example**
 
 ```js
diff --git a/en/application-dev/reference/apis/js-apis-commonEventManager.md b/en/application-dev/reference/apis/js-apis-commonEventManager.md
index 070fee6a9381edfea0ceaf7758b01f41a137b861..1754dc36d54e935f38b617be757528f45c7fcd17 100644
--- a/en/application-dev/reference/apis/js-apis-commonEventManager.md
+++ b/en/application-dev/reference/apis/js-apis-commonEventManager.md
@@ -60,7 +60,8 @@ function publishCB(err:Base.BusinessError) {
 // Publish a common event.
 try {
     CommonEventManager.publish("event", publishCB);
-} catch(err) {
+} catch (error) {
+    let err:Base.BusinessError = error as Base.BusinessError;
     console.error(`publish failed, code is ${err.code}, message is ${err.message}`);
 }
 ```
@@ -114,7 +115,8 @@ function publishCB(err:Base.BusinessError) {
 // Publish a common event.
 try {
     CommonEventManager.publish("event", options, publishCB);
-} catch (err) {
+} catch (error) {
+    let err:Base.BusinessError = error as Base.BusinessError;
     console.error(`publish failed, code is ${err.code}, message is ${err.message}`);
 }
 ```
@@ -166,7 +168,8 @@ let userId = 100;
 // Publish a common event.
 try {
     CommonEventManager.publishAsUser("event", userId, publishCB);
-} catch (err) {
+} catch (error) {
+    let err:Base.BusinessError = error as Base.BusinessError;
     console.error(`publishAsUser failed, code is ${err.code}, message is ${err.message}`);
 }
 ```
@@ -226,7 +229,8 @@ let userId = 100;
 // Publish a common event.
 try {
     CommonEventManager.publishAsUser("event", userId, options, publishCB);
-} catch (err) {
+} catch (error) {
+    let err:Base.BusinessError = error as Base.BusinessError;
     console.error(`publishAsUser failed, code is ${err.code}, message is ${err.message}`);
 }
 ```
@@ -269,7 +273,8 @@ function createCB(err:Base.BusinessError, commonEventSubscriber:CommonEventManag
 // Create a subscriber.
 try {
     CommonEventManager.createSubscriber(subscribeInfo, createCB);
-} catch (err) {
+} catch (error) {
+    let err:Base.BusinessError = error as Base.BusinessError;
     console.error(`createSubscriber failed, code is ${err.code}, message is ${err.message}`);
 }
 ```
@@ -366,7 +371,8 @@ function createCB(err:Base.BusinessError, commonEventSubscriber:CommonEventManag
         // Subscribe to a common event.
         try {
             CommonEventManager.subscribe(subscriber, SubscribeCB);
-        } catch (err) {
+        } catch (error) {
+            let err:Base.BusinessError = error as Base.BusinessError;
             console.error(`subscribe failed, code is ${err.code}, message is ${err.message}`);
         }
     } else {
@@ -377,7 +383,8 @@ function createCB(err:Base.BusinessError, commonEventSubscriber:CommonEventManag
 // Create a subscriber.
 try {
     CommonEventManager.createSubscriber(subscribeInfo, createCB);
-} catch (err) {
+} catch (error) {
+    let err:Base.BusinessError = error as Base.BusinessError;
     console.error(`createSubscriber failed, code is ${err.code}, message is ${err.message}`);
 }
 ```
@@ -433,7 +440,8 @@ function createCB(err:Base.BusinessError, commonEventSubscriber:CommonEventManag
         // Subscribe to a common event.
         try {
             CommonEventManager.subscribe(subscriber, subscribeCB);
-        } catch(err) {
+        } catch (error) {
+            let err:Base.BusinessError = error as Base.BusinessError;
             console.error(`subscribe failed, code is ${err.code}, message is ${err.message}`);
         }
     }
@@ -449,14 +457,16 @@ function unsubscribeCB(err:Base.BusinessError) {
 // Create a subscriber.
 try {
     CommonEventManager.createSubscriber(subscribeInfo, createCB);
-} catch (err) {
+} catch (error) {
+    let err:Base.BusinessError = error as Base.BusinessError;
     console.error(`createSubscriber failed, code is ${err.code}, message is ${err.message}`);
 }
 
 // Unsubscribe from the common event.
 try {
     CommonEventManager.unsubscribe(subscriber, unsubscribeCB);
-} catch (err) {
+} catch (error) {
+    let err:Base.BusinessError = error as Base.BusinessError;
     console.error(`unsubscribe failed, code is ${err.code}, message is ${err.message}`);
 }
 ```
@@ -583,7 +593,7 @@ CommonEventManager.setStaticSubscriberState(true, (err:Base.BusinessError) => {
         console.info(`Set static subscriber state callback failed, err is null.`);
         return;
     }
-    if (err.code) {
+    if (err.code !== undefined && err.code != null) {
         console.info(`Set static subscriber state callback failed, errCode: ${err.code}, errMes: ${err.message}`);
         return;
     }
diff --git a/en/application-dev/reference/apis/js-apis-file-fileuri.md b/en/application-dev/reference/apis/js-apis-file-fileuri.md
index f713a5d0ee3127642ca2d391b71a7b9b310c2a61..07f3ba2ed6cf1faf8d747236fb7a2a9969130c41 100644
--- a/en/application-dev/reference/apis/js-apis-file-fileuri.md
+++ b/en/application-dev/reference/apis/js-apis-file-fileuri.md
@@ -40,6 +40,70 @@ export default class EntryAbility extends UIAbility {
 
 For details about how to obtain the FA model context, see [Context](js-apis-inner-app-context.md#context).
 
+## FileUri<sup>10+</sup>
+
+### Attributes
+
+**System capability**: SystemCapability.FileManagement.AppFileService
+
+| Name| Type| Readable| Writable| Description|
+| -------- | -------- | -------- | -------- | -------- |    
+| path<sup>10+</sup> | string | Yes| No| Path of the file corresponding to the URI.|
+| name<sup>10+</sup> | string | Yes| No| Name of the file.|
+
+### constructor<sup>10+</sup>
+
+constructor(uriOrPath: string)
+
+A constructor used to create a **FileUri** instance.
+
+**System capability**: SystemCapability.FileManagement.AppFileService
+
+**Parameters**
+
+| Name| Type| Mandatory| Description|
+| -------- | -------- | -------- | -------- |
+| uriOrPath | string | Yes| URI or path. The following types of URIs are available:<br>- Application sandbox URI: **file://\<bundleName>/\<sandboxPath>**<br>- URI of the user's document: **file://docs/storage/Users/currentUser/\<publicPath>**<br>- URI of the user's media asset: **file://media/\<mediaType>/IMG_DATATIME_ID/\<displayName>**|
+
+**Error codes**
+
+For details about the error codes, see [File Management Error Codes](../errorcodes/errorcode-filemanagement.md).
+| ID                    | Error Message       |
+| ---------------------------- | ---------- |
+| 13900005 | I/O error |
+| 13900042 | Unknown error |
+
+**Example**
+
+```js
+let path = pathDir + '/test';
+let uri = fileuri.getUriFromPath(filePath);  // file://<packageName>/data/storage/el2/base/haps/entry/files/test
+let fileUriObject = new fileuri.FileUri(uri);
+console.info("The name of FileUri is " + fileUriObject.name);
+```
+
+### toString<sup>10+</sup>
+
+toString(): string
+
+**System capability**: SystemCapability.FileManagement.AppFileService
+
+Obtains the URI of the string type.
+
+**Return value**
+
+| Type| Description|
+| -------- | -------- |
+| string | URI of the string type obtained.|
+
+**Example**
+
+```js
+let path = pathDir + '/test';
+let fileUriObject = new fileuri.FileUri(path);
+console.info("The uri of FileUri is " + fileUriObject.toString());
+```
+
 ## fileUri.getUriFromPath
 
 getUriFromPath(path: string): string
diff --git a/en/application-dev/reference/apis/js-apis-file-fs.md b/en/application-dev/reference/apis/js-apis-file-fs.md
index 3e783a185818183eb33d3419cf5bbb6f0d47cfa2..02a6ce4e2bcb4684b034fc1191278fd0f3ff34fc 100644
--- a/en/application-dev/reference/apis/js-apis-file-fs.md
+++ b/en/application-dev/reference/apis/js-apis-file-fs.md
@@ -314,6 +314,7 @@ For details about the error codes, see [Basic File IO Error Codes](../errorcodes
       console.info("close file failed with error message: " + err.message + ", error code: " + err.code);
     } else {
       console.info("close file success");
+      fs.closeSync(file);
     }
   });
   ```
@@ -460,7 +461,7 @@ Copies a directory to the specified directory. This API uses a promise to return
   | ------ | ------ | ---- | --------------------------- |
   | src | string | Yes   | Application sandbox path of the directory to copy.|
   | dest | string | Yes   | Application sandbox path of the destination directory.|
-  | mode | number | No   | Copy mode. The default value is **0**.<br>- **0**: Throw an exception if a file conflict occurs.<br> Throw an exception if there is a directory with the same name in the destination directory and files with the same name exist in the conflicting directory. All the non-conflicting files in the source directory will be moved to the destination directory, and the non-conflicting files in the destination directory will be retained. The **data** attribute in the error returned provides information about the conflicting files in the Array\<[ConflictFiles](#conflictfiles)> format.<br>- **1**: Forcibly overwrite the files with the same name in the destination directory.<br>If there is a directory with the same name in the destination directory and files with the same name exist in the conflicting directory, all the files with the same name in the destination directory will be overwritten and the non-conflicting files will be retained.|
+  | mode | number | No   | Copy mode. The default value is **0**.<br>- **0**: Throw an exception if a file conflict occurs.<br>Throw an exception if there is a directory with the same name in the destination directory and files with the same name exist in the conflicting directory. All the non-conflicting files in the source directory will be moved to the destination directory, and the non-conflicting files in the destination directory will be retained. The **data** attribute in the error returned provides information about the conflicting files in the Array\<[ConflictFiles](#conflictfiles10)> format.<br>- **1**: Forcibly overwrite the files with the same name in the destination directory. If there is a directory with the same name in the destination directory and files with the same name exist in the conflicting directory, all the files with the same name in the destination directory will be overwritten and the non-conflicting files will be retained.|
 
 **Return value**
 
@@ -494,7 +495,7 @@ For details about the error codes, see [Basic File IO Error Codes](../errorcodes
 
 ## fs.copyDir<sup>10+</sup>
 
-copyDir(src: string, dest: string, mode?: number, callback: AsyncCallback\<void>): void
+copyDir(src: string, dest: string, mode?: number, callback: AsyncCallback\<void, Array\<ConflictFiles>>): void
 
 Copies a directory to the specified directory. This API uses an asynchronous callback to return the result.
 
@@ -506,8 +507,8 @@ Copies a directory to the specified directory. This API uses an asynchronous cal
   | ------ | ------ | ---- | --------------------------- |
   | src | string | Yes   | Application sandbox path of the directory to copy.|
   | dest | string | Yes   | Application sandbox path of the destination directory.|
-  | mode | number | No   | Copy mode. The default value is **0**.<br>- **0**: Throw an exception if a file conflict occurs.<br> Throw an exception if there is a directory with the same name in the destination directory and files with the same name exist in the conflicting directory. All the non-conflicting files in the source directory will be moved to the destination directory, and the non-conflicting files in the destination directory will be retained. The **data** attribute in the error returned provides information about the conflicting files in the Array\<[ConflictFiles](#conflictfiles)> format.<br>- **1**: Forcibly overwrite the files with the same name in the destination directory.<br>If there is a directory with the same name in the destination directory and files with the same name exist in the conflicting directory, all the files with the same name in the destination directory will be overwritten and the non-conflicting files will be retained.|
-  | callback | AsyncCallback&lt;void&gt; | Yes   | Callback invoked immediately after the directory is copied.             |
+  | mode | number | No   | Copy mode. The default value is **0**.<br>- **0**: Throw an exception if a file conflict occurs.<br>Throw an exception if there is a directory with the same name in the destination directory and files with the same name exist in the conflicting directory. All the non-conflicting files in the source directory will be moved to the destination directory, and the non-conflicting files in the destination directory will be retained. The **data** attribute in the error returned provides information about the conflicting files in the Array\<[ConflictFiles](#conflictfiles10)> format.<br>- **1**: Forcibly overwrite the files with the same name in the destination directory. If there is a directory with the same name in the destination directory and files with the same name exist in the conflicting directory, all the files with the same name in the destination directory will be overwritten and the non-conflicting files will be retained.|
+  | callback | AsyncCallback&lt;void, Array&lt;[ConflictFiles](#conflictfiles10)&gt;&gt; | Yes   | Callback invoked immediately after the directory is copied.             |
 
 **Error codes**
 
@@ -533,6 +534,41 @@ For details about the error codes, see [Basic File IO Error Codes](../errorcodes
   });
   ```
 
+## fs.dup<sup>10+</sup>
+
+dup(fd: number): File
+
+Opens a **File** object based on the specified FD.
+
+**System capability**: SystemCapability.FileManagement.File.FileIO
+
+**Parameters**
+
+  | Name   | Type    | Mandatory  | Description                         |
+  | ------ | ------ | ---- | --------------------------- |
+  | fd | number | Yes   | FD of the file.|
+
+**Return value**
+
+  | Type                 | Description                          |
+  | ------------------- | ---------------------------- |
+  | [File](#file) | File object opened.|
+
+**Error codes**
+
+For details about the error codes, see [Basic File IO Error Codes](../errorcodes/errorcode-filemanagement.md#basic-file-io-error-codes).
+
+**Example**
+
+  ```js
+  // convert fd to file
+  let fd = 0;  // fd comes from other modules
+  let file = fs.dup(fd);
+  console.info("The name of the file is " + file.name);
+  fs.closeSync(file);
+  ```
+
+
 ## fs.mkdir
 
 mkdir(path: string): Promise&lt;void&gt;
@@ -644,7 +680,7 @@ Opens a file. This API uses a promise to return the result. File uniform resourc
 
   | Type                   | Description         |
   | --------------------- | ----------- |
-  | Promise&lt;[File](#file)&gt; | Promise used to return the file object.|
+  | Promise&lt;[File](#file)&gt; | Promise used to return the **File** object.|
 
 **Error codes**
 
@@ -1566,6 +1602,7 @@ For details about the error codes, see [Basic File IO Error Codes](../errorcodes
   let file = fs.openSync(filePath);
   fs.fsync(file.fd).then(() => {
       console.info("Data flushed");
+      fs.closeSync(file);
   }).catch((err) => {
       console.info("sync data failed with error message: " + err.message + ", error code: " + err.code);
   });
@@ -1851,7 +1888,7 @@ Lists all files in a folder. This API uses a promise to return the result.<br>Th
 
   | Name   | Type    | Mandatory  | Description                         |
   | ------ | ------ | ---- | --------------------------- |
-  | recursion | boolean | No   | Whether to list all files in subfolders recursively. The default value is **false**.|
+  | recursion | boolean | No   | Whether to list all files in subfolders recursively. The default value is **false**. If **recursion** is **false**, the names of the files and folders that meet the specified conditions in the current directory are returned. If **recursion** is **true**, the relative paths (starting with /) of all files that meet the specified conditions in the directory are returned.|
   | listNum | number | No   | Number of file names to list. The default value **0** means to list all files.|
   | filter | [Filter](#filter) | No   | File filtering options. Currently, only the match by file name extension, fuzzy search by file name, and filter by file size or latest modification time are supported.|
 
@@ -1873,7 +1910,7 @@ For details about the error codes, see [Basic File IO Error Codes](../errorcodes
     "listNum": 0,
     "filter": {
       "suffix": [".png", ".jpg", ".jpeg"],
-      "displayName": ["%abc", "efg%"],
+      "displayName": ["*abc", "efg*"],
       "fileSizeOver": 1024,
       "lastModifiedAfter": new Date().getTime(),
     }
@@ -1911,7 +1948,7 @@ Lists all files in a folder. This API uses an asynchronous callback to return th
 
   | Name   | Type    | Mandatory  | Description                         |
   | ------ | ------ | ---- | --------------------------- |
-  | recursion | boolean | No   | Whether to list all files in subfolders recursively. The default value is **false**.|
+  | recursion | boolean | No   | Whether to list all files in subfolders recursively. The default value is **false**. If **recursion** is **false**, the names of the files and folders that meet the specified conditions in the current directory are returned. If **recursion** is **true**, the relative paths (starting with /) of all files that meet the specified conditions in the directory are returned.|
   | listNum | number | No   | Number of file names to list. The default value **0** means to list all files.|
   | filter | [Filter](#filter) | No   | File filtering options. Currently, only the match by file name extension, fuzzy search by file name, and filter by file size or latest modification time are supported.|
 
@@ -1927,7 +1964,7 @@ For details about the error codes, see [Basic File IO Error Codes](../errorcodes
     "listNum": 0,
     "filter": {
       "suffix": [".png", ".jpg", ".jpeg"],
-      "displayName": ["%abc", "efg%"],
+      "displayName": ["*abc", "efg*"],
       "fileSizeOver": 1024,
       "lastModifiedAfter": new Date().getTime(),
     }
@@ -1967,7 +2004,7 @@ Lists all files in a folder synchronously. This API supports recursive listing o
 
   | Name   | Type    | Mandatory  | Description                         |
   | ------ | ------ | ---- | --------------------------- |
-  | recursion | boolean | No   | Whether to list all files in subfolders recursively. The default value is **false**.|
+  | recursion | boolean | No   | Whether to list all files in subfolders recursively. The default value is **false**. If **recursion** is **false**, the names of the files and folders that meet the specified conditions in the current directory are returned. If **recursion** is **true**, the relative paths (starting with /) of all files that meet the specified conditions in the directory are returned.|
   | listNum | number | No   | Number of file names to list. The default value **0** means to list all files.|
   | filter | [Filter](#filter) | No   | File filtering options. Currently, only the match by file name extension, fuzzy search by file name, and filter by file size or latest modification time are supported.|
 
@@ -1989,7 +2026,7 @@ For details about the error codes, see [Basic File IO Error Codes](../errorcodes
     "listNum": 0,
     "filter": {
       "suffix": [".png", ".jpg", ".jpeg"],
-      "displayName": ["%abc", "efg%"],
+      "displayName": ["*abc", "efg*"],
       "fileSizeOver": 1024,
       "lastModifiedAfter": new Date().getTime(),
     }
@@ -2015,7 +2052,7 @@ Moves a directory. This API uses a promise to return the result.
   | ------ | ------ | ---- | --------------------------- |
   | src | string | Yes   | Application sandbox path of the directory to move.|
   | dest | string | Yes   | Application sandbox path of the destination directory.|
-  | mode | number | No   | Mode for moving the directory. The default value is **0**.<br>- **0**: Throw an exception if a directory conflict occurs.<br> Throw an exception if there is a directory with the same name in the destination directory.<br>- **1**: Throw an exception if a file conflict occurs.<br> Throw an exception if there is a directory with the same name in the destination directory and files with the same name exist in the conflicting directory. All the non-conflicting files in the source directory will be moved to the destination directory, and the non-conflicting files in the destination directory will be retained. The **data** attribute in the error returned provides information about the conflicting files in the Array\<[ConflictFiles](#conflictfiles)> format.<br>- **2**: Forcibly overwrite the conflicting files in the destination directory.<br>If there is a directory with the same name in the destination directory and files with the same name exist in the conflicting directory, all the files with the same name in the destination directory will be overwritten and the non-conflicting files will be retained.<br>- **3**: Forcibly overwrite the conflicting directory.<br> Move the source directory to the destination directory and overwrite the conflicting directory completely. That is, if there is a directory with the same name in the destination directory, all the original files in that directory will not be retained.|
+  | mode | number | No   | Mode for moving the directory. The default value is **0**.<br>- **0**: Throw an exception if a directory conflict occurs.<br>Throw an exception if there is a non-empty directory with the same name in the destination directory.<br>- **1**: Throw an exception if a file conflict occurs.<br>Throw an exception if there is a directory with the same name in the destination directory and files with the same name exist in the conflicting directory. All the non-conflicting files in the source directory will be moved to the destination directory, and the non-conflicting files in the destination directory will be retained. The **data** attribute in the error returned provides information about the conflicting files in the Array\<[ConflictFiles](#conflictfiles10)> format.<br>- **2**: Forcibly overwrite the conflicting files in the destination directory. If there is a directory with the same name in the destination directory and files with the same name exist in the conflicting directory, all the files with the same name in the destination directory will be overwritten and the non-conflicting files will be retained.<br>- **3**: Forcibly overwrite the conflicting directory.<br>Move the source directory to the destination directory and overwrite the conflicting directory completely. That is, if there is a directory with the same name in the destination directory, all the original files in that directory will not be retained.|
 
 **Return value**
 
@@ -2049,7 +2086,7 @@ For details about the error codes, see [Basic File IO Error Codes](../errorcodes
 
 ## fs.moveDir<sup>10+</sup>
 
-moveDir(src: string, dest: string, mode?: number, callback: AsyncCallback\<void>): void
+moveDir(src: string, dest: string, mode?: number, callback: AsyncCallback\<void, Array\<ConflictFiles>>): void
 
 Moves a directory. This API uses an asynchronous callback to return the result.
 
@@ -2061,8 +2098,8 @@ Moves a directory. This API uses an asynchronous callback to return the result.
   | ------ | ------ | ---- | --------------------------- |
   | src | string | Yes   | Application sandbox path of the source directory.|
   | dest | string | Yes   | Application sandbox path of the destination directory.|
-  | mode | number | No   | Mode for moving the directory. The default value is **0**.<br>- **0**: Throw an exception if a directory conflict occurs.<br> Throw an exception if there is a directory with the same name in the destination directory.<br>- **1**: Throw an exception if a file conflict occurs.<br> Throw an exception if there is a directory with the same name in the destination directory and files with the same name exist in the conflicting directory. All the non-conflicting files in the source directory will be moved to the destination directory, and the non-conflicting files in the destination directory will be retained. The **data** attribute in the error returned provides information about the conflicting files in the Array\<[ConflictFiles](#conflictfiles)> format.<br>- **2**: Forcibly overwrite the conflicting files in the destination directory. If there is a directory with the same name in the destination directory and files with the same name exist in the conflicting directory, all the files with the same name in the destination directory will be overwritten and the non-conflicting files will be retained.<br>- **3**: Forcibly overwrite the conflicting directory.<br> Move the source directory to the destination directory and overwrite the conflicting directory completely. That is, if there is a directory with the same name in the destination directory, all the original files in that directory will not be retained.|
-  | callback | AsyncCallback&lt;void&gt; | Yes   | Callback invoked when the directory is moved.             |
+  | mode | number | No   | Mode for moving the directory. The default value is **0**.<br>- **0**: Throw an exception if a directory conflict occurs.<br>Throw an exception if there is a directory with the same name in the destination directory.<br>- **1**: Throw an exception if a file conflict occurs.<br>Throw an exception if there is a directory with the same name in the destination directory and files with the same name exist in the conflicting directory. All the non-conflicting files in the source directory will be moved to the destination directory, and the non-conflicting files in the destination directory will be retained. The **data** attribute in the error returned provides information about the conflicting files in the Array\<[ConflictFiles](#conflictfiles10)> format.<br>- **2**: Forcibly overwrite the conflicting files in the destination directory. If there is a directory with the same name in the destination directory and files with the same name exist in the conflicting directory, all the files with the same name in the destination directory will be overwritten and the non-conflicting files will be retained.<br>- **3**: Forcibly overwrite the conflicting directory.<br>Move the source directory to the destination directory and overwrite the conflicting directory completely. That is, if there is a directory with the same name in the destination directory, all the original files in that directory will not be retained.|
+  | callback | AsyncCallback&lt;void, Array&lt;[ConflictFiles](#conflictfiles10)&gt;&gt; | Yes   | Callback invoked when the directory is moved.             |
 
 **Error codes**
 
@@ -2288,7 +2325,7 @@ For details about the error codes, see [Basic File IO Error Codes](../errorcodes
 
 ## fs.createRandomAccessFile<sup>10+</sup>
 
-createRandomAccessFile(file: string|File, mode?: string): Promise&lt;RandomAccessFile&gt;
+createRandomAccessFile(file: string|File, mode?: number): Promise&lt;RandomAccessFile&gt;
 
 Creates a **RandomAccessFile** instance based on the specified file path or file object. This API uses a promise to return the result.
 
@@ -2317,6 +2354,8 @@ For details about the error codes, see [Basic File IO Error Codes](../errorcodes
   let file = fs.openSync(filePath, fs.OpenMode.CREATE | fs.OpenMode.READ_WRITE);
   fs.createRandomAccessFile(file).then((randomAccessFile) => {
       console.info("randomAccessFile fd: " + randomAccessFile.fd);
+      randomAccessFile.close();
+      fs.closeSync(file);
   }).catch((err) => {
       console.info("create randomAccessFile failed with error message: " + err.message + ", error code: " + err.code);
   });
@@ -2325,7 +2364,7 @@ For details about the error codes, see [Basic File IO Error Codes](../errorcodes
 
 ## fs.createRandomAccessFile<sup>10+</sup>
 
-createRandomAccessFile(file: string|File, mode?: string, callback: AsyncCallback&lt;RandomAccessFile&gt;): void
+createRandomAccessFile(file: string|File, mode?: number, callback: AsyncCallback&lt;RandomAccessFile&gt;): void
 
 Creates a **RandomAccessFile** instance based on the specified file path or file object. This API uses an asynchronous callback to return the result.
 
@@ -2352,6 +2391,8 @@ For details about the error codes, see [Basic File IO Error Codes](../errorcodes
           console.info("create randomAccessFile failed with error message: " + err.message + ", error code: " + err.code);
       } else {
           console.info("randomAccessFilefile fd: " + randomAccessFile.fd);
+          randomAccessFile.close();
+          fs.closeSync(file);
       }
   });
   ```
@@ -2359,7 +2400,7 @@ For details about the error codes, see [Basic File IO Error Codes](../errorcodes
 
 ## fs.createRandomAccessFileSync<sup>10+</sup>
 
-createRandomAccessFileSync(file: string|File, , mode?: string): RandomAccessFile
+createRandomAccessFileSync(file: string|File, mode?: number): RandomAccessFile
 
 Creates a **RandomAccessFile** instance based on the specified file path or file object.
 
@@ -2386,8 +2427,10 @@ For details about the error codes, see [Basic File IO Error Codes](../errorcodes
 
   ```js
   let filePath = pathDir + "/test.txt";
-  let file = fs.openSync(filePath, fileIO.OpenMode.CREATE | fileIO.OpenMode.READ_WRITE);
-  let randomaccessfile = fileIO.createRandomAccessFileSync(file);
+  let file = fs.openSync(filePath, fs.OpenMode.CREATE | fs.OpenMode.READ_WRITE);
+  let randomaccessfile = fs.createRandomAccessFileSync(file);
+  randomaccessfile.close();
+  fs.closeSync(file);
   ```
 
 ## fs.createStream
@@ -3232,7 +3275,7 @@ Synchronously reads data from the stream.
   | Name    | Type         | Mandatory  | Description                                      |
   | ------- | ----------- | ---- | ---------------------------------------- |
   | buffer  | ArrayBuffer | Yes   | Buffer used to store the file read.                             |
-  | options | Object      | No   | The options are as follows:<br>- **length** (number): length of the data to read. This parameter is optional. The default value is the buffer length.<br>- **offset** (number): start position to read the data. This parameter is optional. By default, data is read from the current position.<br> |
+  | options | Object      | No   | The options are as follows:<br>- **length** (number): length of the data to read. This parameter is optional. The default value is the buffer length.<br>- **offset** (number): start position to read the data. This parameter is optional. By default, data is read from the current position.<br>|
 
 **Return value**
 
@@ -3263,6 +3306,8 @@ Represents a **File** object opened by **open()**.
 | Name  | Type  | Readable  | Writable  | Description     |
 | ---- | ------ | ---- | ---- | ------- |
 | fd | number | Yes   | No   | FD of the file.|
+| path<sup>10+</sup> | string | Yes   | No   | Path of the file.|
+| name<sup>10+</sup> | string | Yes   | No   | Name of the file.|
 
 ### lock
 
@@ -3410,6 +3455,7 @@ For details about the error codes, see [Basic File IO Error Codes](../errorcodes
   let filePath = pathDir + "/test.txt";
   let randomAccessFile = fs.createRandomAccessFileSync(filePath, fs.OpenMode.READ_WRITE | fs.OpenMode.CREATE);
   randomAccessFile.setFilePointer(1);
+  randomAccessFile.close();
   ```
 
 
@@ -3430,7 +3476,7 @@ For details about the error codes, see [Basic File IO Error Codes](../errorcodes
   ```js
   let filePath = pathDir + "/test.txt";
   let randomAccessFile = fs.createRandomAccessFileSync(filePath, fs.OpenMode.READ_WRITE | fs.OpenMode.CREATE);
-  randomAccessFile.closeSync();
+  randomAccessFile.close();
   ```
 
 ### write<sup>10+</sup>
@@ -3462,11 +3508,13 @@ For details about the error codes, see [Basic File IO Error Codes](../errorcodes
 
   ```js
   let filePath = pathDir + "/test.txt";
-  let file = fs.openSync(fpath, fs.OpenMode.CREATE | fs.OpenMode.READ_WRITE);
+  let file = fs.openSync(filePath, fs.OpenMode.CREATE | fs.OpenMode.READ_WRITE);
   let randomaccessfile = fs.createRandomAccessFileSync(file);
   let bufferLength = 4096;
   randomaccessfile.write(new ArrayBuffer(bufferLength), { offset: 1, length: 5 }).then((bytesWritten) => {
       console.info("randomAccessFile bytesWritten: " + bytesWritten);
+      randomaccessfile.close();
+      fs.closeSync(file);
   }).catch((err) => {
       console.info("create randomAccessFile failed with error message: " + err.message + ", error code: " + err.code);
   });
@@ -3497,6 +3545,7 @@ For details about the error codes, see [Basic File IO Error Codes](../errorcodes
 
   ```js
   let filePath = pathDir + "/test.txt";
+  let file = fs.openSync(filePath, fs.OpenMode.CREATE | fs.OpenMode.READ_WRITE);
   let randomAccessFile = fs.createRandomAccessFileSync(file);
   let bufferLength = 4096;
   randomAccessFile.write(new ArrayBuffer(bufferLength), { offset: 1 }, function(err, bytesWritten) {
@@ -3505,6 +3554,8 @@ For details about the error codes, see [Basic File IO Error Codes](../errorcodes
       } else {
           if (bytesWritten) {
               console.info("write succeed and size is:" + bytesWritten);
+              randomAccessFile.close();
+              fs.closeSync(file);
           }
       }
   });
@@ -3539,8 +3590,10 @@ For details about the error codes, see [Basic File IO Error Codes](../errorcodes
 
   ```js
   let filePath = pathDir + "/test.txt";
-  let randomaccessfile= fs.createRandomAccessFileSync(filePath,"r+");
+  let randomaccessfile = fs.createRandomAccessFileSync(filePath, fs.OpenMode.CREATE | fs.OpenMode.READ_WRITE);
   let bytesWritten = randomaccessfile.writeSync("hello, world", {offset: 5, length: 5, encoding :'utf-8'});
+  randomaccessfile.close();
+  fs.closeSync(file);
   ```
 
 ### read<sup>10+</sup>
@@ -3577,6 +3630,8 @@ For details about the error codes, see [Basic File IO Error Codes](../errorcodes
   let bufferLength = 4096;
   randomaccessfile.read(new ArrayBuffer(bufferLength), { offset: 1, length: 5 }).then((readLength) => {
       console.info("randomAccessFile readLength: " + readLength);
+      randomaccessfile.close();
+      fs.closeSync(file);
   }).catch((err) => {
       console.info("create randomAccessFile failed with error message: " + err.message + ", error code: " + err.code);
   });
@@ -3607,7 +3662,7 @@ For details about the error codes, see [Basic File IO Error Codes](../errorcodes
   ```js
   let filePath = pathDir + "/test.txt";
   let file = fs.openSync(filePath, fs.OpenMode.CREATE | fs.OpenMode.READ_WRITE);
-  let randomaccessfile = await fileIO.createRandomAccessFile(file);
+  let randomaccessfile = fs.createRandomAccessFileSync(file);
   let length = 20;
   randomaccessfile.read(new ArrayBuffer(length), { offset: 1, length: 5 }, function (err, readLength) {
     if (err) {
@@ -3615,6 +3670,8 @@ For details about the error codes, see [Basic File IO Error Codes](../errorcodes
     } else {
       if (readLength) {
         console.info("read succeed and size is:" + readLength);
+        randomaccessfile.close();
+        fs.closeSync(file);
       }
     }
   });
@@ -3633,7 +3690,7 @@ Synchronously reads data from a file.
   | Name    | Type         | Mandatory  | Description                                      |
   | ------- | ----------- | ---- | ---------------------------------------- |
   | buffer  | ArrayBuffer | Yes   | Buffer used to store the file read.                             |
-  | options | Object      | No   | The options are as follows:<br>- **length** (number): length of the data to read. This parameter is optional. The default value is the buffer length.<br>- **offset** (number): start position to read the data (it is determined by **filePointer** plus **offset**). This parameter is optional. By default, data is read from the **filePointer**.<br> |
+  | options | Object      | No   | The options are as follows:<br>- **length** (number): length of the data to read. This parameter is optional. The default value is the buffer length.<br>- **offset** (number): start position to read the data (it is determined by **filePointer** plus **offset**). This parameter is optional. By default, data is read from the **filePointer**.<br>|
 
 **Return value**
 
@@ -3649,10 +3706,12 @@ For details about the error codes, see [Basic File IO Error Codes](../errorcodes
 
   ```js
   let filePath = pathDir + "/test.txt";
-  let file = fs.openSync(filePath, fileIO.OpenMode.CREATE | fileIO.OpenMode.READ_WRITE);
+  let file = fs.openSync(filePath, fs.OpenMode.CREATE | fs.OpenMode.READ_WRITE);
   let randomaccessfile = fs.createRandomAccessFileSync(file);
   let length = 4096;
   let readLength = randomaccessfile.readSync(new ArrayBuffer(length));
+  randomaccessfile.close();
+  fs.closeSync(file);
   ```
 
 
diff --git a/en/application-dev/reference/apis/js-apis-file-picker.md b/en/application-dev/reference/apis/js-apis-file-picker.md
index b8572f3bf4df0d6a60b5f7835ac1bf9346d19b1f..24a39e81bfd42e50489a50fa39bad0a14f8671d3 100644
--- a/en/application-dev/reference/apis/js-apis-file-picker.md
+++ b/en/application-dev/reference/apis/js-apis-file-picker.md
@@ -8,8 +8,13 @@
 
 ## Modules to Import
 
-```js
+> **NOTE**
+>
+> You need to import the **BusinessError** module if **BusinessError** is used in the sample code.
+
+```ts
 import picker from '@ohos.file.picker';
+import { BusinessError } from '@ohos.base';
 ```
 
 ## PhotoViewPicker
@@ -47,19 +52,20 @@ Selects one or more images or videos in a **photoPicker** page. This API uses a
 **Example**
 
 ```ts
-async function example() {
+async function example01() {
   try {  
     let PhotoSelectOptions = new picker.PhotoSelectOptions();
     PhotoSelectOptions.MIMEType = picker.PhotoViewMIMETypes.IMAGE_TYPE;
     PhotoSelectOptions.maxSelectNumber = 5;
     let photoPicker = new picker.PhotoViewPicker();
-    photoPicker.select(PhotoSelectOptions).then((PhotoSelectResult) => {
+    photoPicker.select(PhotoSelectOptions).then((PhotoSelectResult: picker.PhotoSelectResult) => {
       console.info('PhotoViewPicker.select successfully, PhotoSelectResult uri: ' + JSON.stringify(PhotoSelectResult));
-    }).catch((err) => {
-      console.error('PhotoViewPicker.select failed with err: ' + err);
+    }).catch((err: BusinessError) => {
+      console.error('PhotoViewPicker.select failed with err: ' + JSON.stringify(err));
     });
-  } catch (err) {
-    console.error('PhotoViewPicker failed with err: ' + err);
+  } catch (error) {
+    let err: BusinessError = error as BusinessError;
+    console.error('PhotoViewPicker failed with err: ' + JSON.stringify(err));
   }
 }
 ```
@@ -82,21 +88,22 @@ Selects one or more images or videos in a **photoPicker** page. This API uses an
 **Example**
 
 ```ts
-async function example() {
-  try {   
+async function example02() {
+  try {
     let PhotoSelectOptions = new picker.PhotoSelectOptions();
     PhotoSelectOptions.MIMEType = picker.PhotoViewMIMETypes.IMAGE_TYPE;
     PhotoSelectOptions.maxSelectNumber = 5;
     let photoPicker = new picker.PhotoViewPicker();
-    photoPicker.select(PhotoSelectOptions, (err, PhotoSelectResult) => {
+    photoPicker.select(PhotoSelectOptions, (err: BusinessError, PhotoSelectResult: picker.PhotoSelectResult) => {
       if (err) {
-        console.error('PhotoViewPicker.select failed with err: ' + err);
+        console.error('PhotoViewPicker.select failed with err: ' + JSON.stringify(err));
         return;
       }
       console.info('PhotoViewPicker.select successfully, PhotoSelectResult uri: ' + JSON.stringify(PhotoSelectResult));
     });
-  } catch (err) {
-    console.error('PhotoViewPicker failed with err: ' + err);
+  } catch (error) {
+    let err: BusinessError = error as BusinessError;
+    console.error('PhotoViewPicker failed with err: ' + JSON.stringify(err));
   }
 }
 ```
@@ -118,18 +125,19 @@ Selects one or more images or videos in a **photoPicker** page. This API uses an
 **Example**
 
 ```ts
-async function example() {
-  try {   
+async function example03() {
+  try {
     let photoPicker = new picker.PhotoViewPicker();
-    photoPicker.select((err, PhotoSelectResult) => {
+    photoPicker.select((err: BusinessError, PhotoSelectResult: picker.PhotoSelectResult) => {
       if (err) {
-        console.error('PhotoViewPicker.select failed with err: ' + err);
+        console.error('PhotoViewPicker.select failed with err: ' + JSON.stringify(err));
         return;
       }
       console.info('PhotoViewPicker.select successfully, PhotoSelectResult uri: ' + JSON.stringify(PhotoSelectResult));
     });
-  } catch (err) {
-    console.error('PhotoViewPicker failed with err: ' + err);
+  } catch (error) {
+    let err: BusinessError = error as BusinessError;
+    console.error('PhotoViewPicker failed with err: ' + JSON.stringify(err));
   }
 }
 ```
@@ -157,18 +165,19 @@ Saves one or more images or videos in a **photoPicker** page. This API uses a pr
 **Example**
 
 ```ts
-async function example() {
-  try {   
+async function example04() {
+  try {
     let PhotoSaveOptions = new picker.PhotoSaveOptions();
     PhotoSaveOptions.newFileNames = ['PhotoViewPicker01.jpg', 'PhotoViewPicker01.mp4'];
     let photoPicker = new picker.PhotoViewPicker();
-    photoPicker.save(PhotoSaveOptions).then((PhotoSaveResult) => {
+    photoPicker.save(PhotoSaveOptions).then((PhotoSaveResult: Array<string>) => {
       console.info('PhotoViewPicker.save successfully, PhotoSaveResult uri: ' + JSON.stringify(PhotoSaveResult));
-    }).catch((err) => {
-      console.error('PhotoViewPicker.save failed with err: ' + err);
+    }).catch((err: BusinessError) => {
+      console.error('PhotoViewPicker.save failed with err: ' + JSON.stringify(err));
     });
-  } catch (err) {
-      console.error('PhotoViewPicker failed with err: ' + err);
+  } catch (error) {
+    let err: BusinessError = error as BusinessError;
+      console.error('PhotoViewPicker failed with err: ' + JSON.stringify(err));
   }
 }
 ```
@@ -191,20 +200,21 @@ Saves one or more images or videos in a **photoPicker** page. This API uses an a
 **Example**
 
 ```ts
-async function example() {
+async function example05() {
   try {
     let PhotoSaveOptions = new picker.PhotoSaveOptions();
     PhotoSaveOptions.newFileNames = ['PhotoViewPicker02.jpg','PhotoViewPicker02.mp4'];
     let photoPicker = new picker.PhotoViewPicker();
-    photoPicker.save(PhotoSaveOptions, (err, PhotoSaveResult) => {
+    photoPicker.save(PhotoSaveOptions, (err: BusinessError, PhotoSaveResult: Array<string>) => {
       if (err) {
-        console.error('PhotoViewPicker.save failed with err: ' + err);
+        console.error('PhotoViewPicker.save failed with err: ' + JSON.stringify(err));
         return;
       }
       console.info('PhotoViewPicker.save successfully, PhotoSaveResult uri: ' + JSON.stringify(PhotoSaveResult));
     });
-  } catch (err) {
-    console.error('PhotoViewPicker failed with err: ' + err);
+  } catch (error) {
+    let err: BusinessError = error as BusinessError;
+    console.error('PhotoViewPicker failed with err: ' + JSON.stringify(err));
   }
 }
 ```
@@ -226,25 +236,26 @@ Saves one or more images or videos in a **photoPicker** page. This API uses an a
 **Example**
 
 ```ts
-async function example() {
+async function example06() {
   try {
     let photoPicker = new picker.PhotoViewPicker();
-    photoPicker.save((err, PhotoSaveResult) => {
+    photoPicker.save((err: BusinessError, PhotoSaveResult: Array<string>) => {
       if (err) {
-        console.error('PhotoViewPicker.save failed with err: ' + err);
+        console.error('PhotoViewPicker.save failed with err: ' + JSON.stringify(err));
         return;
       }
       console.info('PhotoViewPicker.save successfully, PhotoSaveResult uri: ' + JSON.stringify(PhotoSaveResult));
     });
-  } catch (err) {
-    console.error('PhotoViewPicker failed with err: ' + err);
+  } catch (error) {
+    let err: BusinessError = error as BusinessError;
+    console.error('PhotoViewPicker failed with err: ' + JSON.stringify(err));
   }
 }
 ```
 
 ## DocumentViewPicker
 
-Provides APIs for selecting and saving non-media files, for example, documents in a variety of formats. Before using the APIs of **DocumentViewPicker**, you need to create a **DocumentViewPicker** instance.
+Provides the **DocumentViewPicker** object for selecting and saving documents in different formats. Before using the APIs of **DocumentViewPicker**, you need to create a **DocumentViewPicker** instance.
 
 **System capability**: SystemCapability.FileManagement.UserFileService
 
@@ -277,17 +288,18 @@ Selects one or more documents in a **documentPicker** page. This API uses a prom
 **Example**
 
 ```ts
-async function example() {
+async function example07() {
   try {
     let DocumentSelectOptions = new picker.DocumentSelectOptions();
     let documentPicker = new picker.DocumentViewPicker();
-    documentPicker.select(DocumentSelectOptions).then((DocumentSelectResult) => {
+    documentPicker.select(DocumentSelectOptions).then((DocumentSelectResult: Array<string>) => {
       console.info('DocumentViewPicker.select successfully, DocumentSelectResult uri: ' + JSON.stringify(DocumentSelectResult));
-    }).catch((err) => {
-      console.error('DocumentViewPicker.select failed with err: ' + err);
+    }).catch((err: BusinessError) => {
+      console.error('DocumentViewPicker.select failed with err: ' + JSON.stringify(err));
     });
-  } catch (err) {
-    console.error('DocumentViewPicker failed with err: ' + err);
+  } catch (error) {
+    let err: BusinessError = error as BusinessError;
+    console.error('DocumentViewPicker failed with err: ' + JSON.stringify(err));
   }
 }
 ```
@@ -310,19 +322,20 @@ Selects one or more documents in a **documentPicker** page. This API uses an asy
 **Example**
 
 ```ts
-async function example() {
+async function example08() {
   try {
     let DocumentSelectOptions = new picker.DocumentSelectOptions();
     let documentPicker = new picker.DocumentViewPicker();
-    documentPicker.select(DocumentSelectOptions, (err, DocumentSelectResult) => {
+    documentPicker.select(DocumentSelectOptions, (err: BusinessError, DocumentSelectResult: Array<string>) => {
       if (err) {
-        console.error('DocumentViewPicker.select failed with err: ' + err);
+        console.error('DocumentViewPicker.select failed with err: ' + JSON.stringify(err));
         return;
       }
       console.info('DocumentViewPicker.select successfully, DocumentSelectResult uri: ' + JSON.stringify(DocumentSelectResult));
     });
-  } catch (err) {
-    console.error('DocumentViewPicker failed with err: ' + err);
+  } catch (error) {
+    let err: BusinessError = error as BusinessError;
+    console.error('DocumentViewPicker failed with err: ' + JSON.stringify(err));
   }
 }
 ```
@@ -344,18 +357,19 @@ Selects one or more documents in a **documentPicker** page. This API uses an asy
 **Example**
 
 ```ts
-async function example() {
+async function example09() {
   try {
     let documentPicker = new picker.DocumentViewPicker();
-    documentPicker.select((err, DocumentSelectResult) => {
+    documentPicker.select((err: BusinessError, DocumentSelectResult: Array<string>) => {
       if (err) {
-        console.error('DocumentViewPicker.select failed with err: ' + err);
+        console.error('DocumentViewPicker.select failed with err: ' + JSON.stringify(err));
         return;
       }
       console.info('DocumentViewPicker.select successfully, DocumentSelectResult uri: ' + JSON.stringify(DocumentSelectResult));
     });
-  } catch (err) {
-    console.error('DocumentViewPicker failed with err: ' + err);
+  } catch (error) {
+    let err: BusinessError = error as BusinessError;
+    console.error('DocumentViewPicker failed with err: ' + JSON.stringify(err));
   }
 }
 ```
@@ -384,18 +398,19 @@ Saves one or more documents in a **documentPicker** page. This API uses a promis
 **Example**
 
 ```ts
-async function example() {
+async function example10() {
   try {
     let DocumentSaveOptions = new picker.DocumentSaveOptions();
     DocumentSaveOptions.newFileNames = ['DocumentViewPicker01.txt'];
     let documentPicker = new picker.DocumentViewPicker();
-    documentPicker.save(DocumentSaveOptions).then((DocumentSaveResult) => {
+    documentPicker.save(DocumentSaveOptions).then((DocumentSaveResult: Array<string>) => {
       console.info('DocumentViewPicker.save successfully, DocumentSaveResult uri: ' + JSON.stringify(DocumentSaveResult));
-    }).catch((err) => {
-      console.error('DocumentViewPicker.save failed with err: ' + err);
+    }).catch((err: BusinessError) => {
+      console.error('DocumentViewPicker.save failed with err: ' + JSON.stringify(err));
     });
-  } catch (err) {
-    console.error('DocumentViewPicker failed with err: ' + err);
+  } catch (error) {
+    let err: BusinessError = error as BusinessError;
+    console.error('DocumentViewPicker failed with err: ' + JSON.stringify(err));
   }
 }
 ```
@@ -418,20 +433,21 @@ Saves one or more documents in a **documentPicker** page. This API uses an async
 **Example**
 
 ```ts
-async function example() {
+async function example11() {
   try {
     let DocumentSaveOptions = new picker.DocumentSaveOptions();
     DocumentSaveOptions.newFileNames = ['DocumentViewPicker02.txt'];
     let documentPicker = new picker.DocumentViewPicker();
-    documentPicker.save(DocumentSaveOptions, (err, DocumentSaveResult) => {
+    documentPicker.save(DocumentSaveOptions, (err: BusinessError, DocumentSaveResult: Array<string>) => {
       if (err) {
-        console.error('DocumentViewPicker.save failed with err: ' + err);
+        console.error('DocumentViewPicker.save failed with err: ' + JSON.stringify(err));
         return;
       }
       console.info('DocumentViewPicker.save successfully, DocumentSaveResult uri: ' + JSON.stringify(DocumentSaveResult));
     });
-  } catch (err) {
-    console.error('DocumentViewPicker failed with err: ' + err);
+  } catch (error) {
+    let err: BusinessError = error as BusinessError;
+    console.error('DocumentViewPicker failed with err: ' + JSON.stringify(err));
   }
 }
 ```
@@ -453,18 +469,19 @@ Saves one or more documents in a **documentPicker** page. This API uses an async
 **Example**
 
 ```ts
-async function example() {
+async function example12() {
   try {
     let documentPicker = new picker.DocumentViewPicker();
-    documentPicker.save((err, DocumentSaveResult) => {
+    documentPicker.save((err: BusinessError, DocumentSaveResult: Array<string>) => {
       if (err) {
-        console.error('DocumentViewPicker.save failed with err: ' + err);
+        console.error('DocumentViewPicker.save failed with err: ' + JSON.stringify(err));
         return;
       }
       console.info('DocumentViewPicker.save successfully, DocumentSaveResult uri: ' + JSON.stringify(DocumentSaveResult));
     });
-  } catch (err) {
-    console.error('DocumentViewPicker failed with err: ' + err);
+  } catch (error) {
+    let err: BusinessError = error as BusinessError;
+    console.error('DocumentViewPicker failed with err: ' + JSON.stringify(err));
   }
 }
 ```
@@ -504,17 +521,18 @@ Selects one or more audio files in an **audioPicker** page (currently, a **docum
 **Example**
 
 ```ts
-async function example() {
+async function example13() {
   try {
     let AudioSelectOptions = new picker.AudioSelectOptions();
     let audioPicker = new picker.AudioViewPicker();
-    audioPicker.select(AudioSelectOptions).then((AudioSelectResult) => {
+    audioPicker.select(AudioSelectOptions).then((AudioSelectResult: Array<string>) => {
       console.info('AudioViewPicker.select successfully, AudioSelectResult uri: ' + JSON.stringify(AudioSelectResult));
-    }).catch((err) => {
-      console.error('AudioViewPicker.select failed with err: ' + err);
+    }).catch((err: BusinessError) => {
+      console.error('AudioViewPicker.select failed with err: ' + JSON.stringify(err));
     });
-  } catch (err) {
-    console.error('AudioViewPicker failed with err: ' + err);
+  } catch (error) {
+    let err: BusinessError = error as BusinessError;
+    console.error('AudioViewPicker failed with err: ' + JSON.stringify(err));
   }
 }
 ```
@@ -537,19 +555,20 @@ Selects one or more audio files in an **audioPicker** page (currently, a **docum
 **Example**
 
 ```ts
-async function example() {
+async function example14() {
   try {
     let AudioSelectOptions = new picker.AudioSelectOptions();
     let audioPicker = new picker.AudioViewPicker();
-    audioPicker.select(AudioSelectOptions, (err, AudioSelectResult) => {
+    audioPicker.select(AudioSelectOptions, (err: BusinessError, AudioSelectResult: Array<string>) => {
       if (err) {
-        console.error('AudioViewPicker.select failed with err: ' + err);
+        console.error('AudioViewPicker.select failed with err: ' + JSON.stringify(err));
         return;
       }
       console.info('AudioViewPicker.select successfully, AudioSelectResult uri: ' + JSON.stringify(AudioSelectResult));
     });
-  } catch (err) {
-    console.error('AudioViewPicker failed with err: ' + err);
+  } catch (error) {
+    let err: BusinessError = error as BusinessError;
+    console.error('AudioViewPicker failed with err: ' + JSON.stringify(err));
   }
 }
 ```
@@ -571,18 +590,19 @@ Selects one or more audio files in an **audioPicker** page (currently, a **docum
 **Example**
 
 ```ts
-async function example() {
+async function example15() {
   try {
     let audioPicker = new picker.AudioViewPicker();
-    audioPicker.select((err, AudioSelectResult) => {
+    audioPicker.select((err: BusinessError, AudioSelectResult: Array<string>) => {
       if (err) {
-        console.error('AudioViewPicker.select failed with err: ' + err);
+        console.error('AudioViewPicker.select failed with err: ' + JSON.stringify(err));
         return;
       }
       console.info('AudioViewPicker.select successfully, AudioSelectResult uri: ' + JSON.stringify(AudioSelectResult));
     });
-  } catch (err) {
-    console.error('AudioViewPicker failed with err: ' + err);
+  } catch (error) {
+    let err: BusinessError = error as BusinessError;
+    console.error('AudioViewPicker failed with err: ' + JSON.stringify(err));
   }
 }
 ```
@@ -610,18 +630,19 @@ Saves one or more audio files in an **audioPicker** page (currently, a **documen
 **Example**
 
 ```ts
-async function example() {
+async function example16() {
   try {
     let AudioSaveOptions = new picker.AudioSaveOptions();
     AudioSaveOptions.newFileNames = ['AudioViewPicker01.mp3'];
     let audioPicker = new picker.AudioViewPicker();
-    audioPicker.save(AudioSaveOptions).then((AudioSaveResult) => {
+    audioPicker.save(AudioSaveOptions).then((AudioSaveResult: Array<string>) => {
       console.info('AudioViewPicker.save successfully, AudioSaveResult uri: ' + JSON.stringify(AudioSaveResult))
-    }).catch((err) => {
-      console.error('AudioViewPicker.save failed with err: ' + err);
+    }).catch((err: BusinessError) => {
+      console.error('AudioViewPicker.save failed with err: ' + JSON.stringify(err));
     });
-  } catch (err) {
-    console.error('AudioViewPicker failed with err: ' + err);
+  } catch (error) {
+    let err: BusinessError = error as BusinessError;
+    console.error('AudioViewPicker failed with err: ' + JSON.stringify(err));
   }
 }
 ```
@@ -644,20 +665,21 @@ Saves one or more audio files in an **audioPicker** page (currently, a **documen
 **Example**
 
 ```ts
-async function example() {
+async function example17() {
   try {
     let AudioSaveOptions = new picker.AudioSaveOptions();
     AudioSaveOptions.newFileNames = ['AudioViewPicker02.mp3'];
     let audioPicker = new picker.AudioViewPicker();
-    audioPicker.save(AudioSaveOptions, (err, AudioSaveResult) => {
+    audioPicker.save(AudioSaveOptions, (err: BusinessError, AudioSaveResult: Array<string>) => {
       if (err) {
-        console.error('AudioViewPicker.save failed with err: ' + err);
+        console.error('AudioViewPicker.save failed with err: ' + JSON.stringify(err));
         return;
       }
       console.info('AudioViewPicker.save successfully, AudioSaveResult uri: ' + JSON.stringify(AudioSaveResult));
     });
-  } catch (err) {
-    console.error('AudioViewPicker failed with err: ' + err);
+  } catch (error) {
+    let err: BusinessError = error as BusinessError;
+    console.error('AudioViewPicker failed with err: ' + JSON.stringify(err));
   }
 }
 ```
@@ -679,18 +701,19 @@ Saves one or more audio files in an **audioPicker** page (currently, a **documen
 **Example**
 
 ```ts
-async function example() {
+async function example18() {
   try {
     let audioPicker = new picker.AudioViewPicker();
-    audioPicker.save((err, AudioSaveResult) => {
+    audioPicker.save((err: BusinessError, AudioSaveResult: Array<string>) => {
       if (err) {
-        console.error('AudioViewPicker.save failed with err: ' + err);
+        console.error('AudioViewPicker.save failed with err: ' + JSON.stringify(err));
         return;
       }
       console.info('AudioViewPicker.save successfully, AudioSaveResult uri: ' + JSON.stringify(AudioSaveResult));
     });
-  } catch (err) {
-    console.error('AudioViewPicker failed with err: ' + err);
+  } catch (error) {
+    let err: BusinessError = error as BusinessError;
+    console.error('AudioViewPicker failed with err: ' + JSON.stringify(err));
   }
 }
 ```
@@ -715,8 +738,8 @@ Defines the options for selecting images or videos.
 
 | Name                   | Type               | Mandatory| Description                         |
 | ----------------------- | ------------------- | ---- | -------------------------------- |
-| MIMEType?              | [PhotoViewMIMETypes](#photoviewmimetypes)   | No  | Available media file types. **IMAGE_VIDEO_TYPE** is used by default.|
-| maxSelectNumber?       | number | No  | Maximum number of media files to select. The default value is **50**, and the maximum value is **500**.     |
+| MIMEType              | [PhotoViewMIMETypes](#photoviewmimetypes)   | No  | Available media file types. **IMAGE_VIDEO_TYPE** is used by default.|
+| maxSelectNumber       | number | No  | Maximum number of media files to select. The default value is **50**, and the maximum value is **500**.     |
 
 ## PhotoSelectResult
 
@@ -737,14 +760,20 @@ Defines the options for saving images or videos.
 
 | Name                   | Type               | Mandatory|  Description                          |
 | ----------------------- | ------------------- | ---- | ---------------------------- |
-| newFileNames?              | Array&lt;string&gt;    | No | Names of the files to save. If this parameter is not specified, the user needs to enter the file names.|
+| newFileNames              | Array&lt;string&gt;    | No | Names of the files to save. If this parameter is not specified, the user needs to enter the file names.|
 
 ## DocumentSelectOptions
 
-Defines the options for selecting documents. Currently, this parameter cannot be configured.
+Defines the options for selecting documents.
 
 **System capability**: SystemCapability.FileManagement.UserFileService
 
+| Name                   | Type               | Mandatory| Description                         |
+| ----------------------- | ------------------- | ---- | -------------------------------- |
+| maxSelectNumber<sup>10+</sup>       | number  | No  | Maximum number of files or directories that can be selected.<br>Value range: 1–500<br>Maximum value: **500**     |
+| defaultFilePathUri<sup>10+</sup>    | string  | No  | Path of the file or directory to select.|
+| fileSuffixFilters<sup>10+</sup>     | Array&lt;string&gt; | No  | File name extensions of the documents to select.|
+
 ## DocumentSaveOptions
 
 Defines the options for saving documents.
@@ -753,7 +782,9 @@ Defines the options for saving documents.
 
 | Name                   | Type               | Mandatory|  Description                          |
 | ----------------------- | ------------------- | ---- | ---------------------------- |
-| newFileNames?            | Array&lt;string&gt;    | No  | Names of the documents to save. If this parameter is not specified, the user needs to enter the document names. |
+| newFileNames            | Array&lt;string&gt;    | No  | Names of the documents to save. If this parameter is not specified, the user needs to enter the document names. |
+| defaultFilePathUri<sup>10+</sup>    | string  | No  | Path of the file or directory to save.|
+| fileSuffixChoices<sup>10+</sup>     | Array&lt;string&gt; | No  | File name extensions of the documents to save.|
 
 ## AudioSelectOptions
 
@@ -769,4 +800,4 @@ Defines the options for saving audio files.
 
 | Name                   | Type               | Mandatory|  Description                          |
 | ----------------------- | ------------------- | ---- | ---------------------------- |
-| newFileNames?              | Array&lt;string&gt;    | No | Name of the audio files to save. If this parameter is not specified, the user needs to enter the file names.|
+| newFileNames              | Array&lt;string&gt;    | No | Name of the audio files to save. If this parameter is not specified, the user needs to enter the file names.|
diff --git a/en/application-dev/reference/apis/js-apis-inner-commonEvent-commonEventSubscriber.md b/en/application-dev/reference/apis/js-apis-inner-commonEvent-commonEventSubscriber.md
index cc3d507ee9d208bc66571ca56daf1cf518c3d5fe..f0d740a85d874d643838135e2bc83232ab86a62d 100644
--- a/en/application-dev/reference/apis/js-apis-inner-commonEvent-commonEventSubscriber.md
+++ b/en/application-dev/reference/apis/js-apis-inner-commonEvent-commonEventSubscriber.md
@@ -21,7 +21,7 @@ let subscribeInfo:CommonEventManager.CommonEventSubscribeInfo = {
 
 // Callback for subscriber creation.
 function createCB(err:Base.BusinessError, commonEventSubscriber:CommonEventManager.CommonEventSubscriber) {
-    if (err.code) {
+    if (err.code !== undefined && err.code != null) {
         console.error(`createSubscriber failed, code is ${err.code}`);
     } else {
         console.info("createSubscriber");
@@ -52,7 +52,7 @@ Obtains the code of this common event. This API uses an asynchronous callback to
 ```ts
 // Callback for result code obtaining of an ordered common event.
 function getCodeCB(err:Base.BusinessError, code:number) {
-    if (err.code) {
+    if (err.code !== undefined && err.code != null) {
         console.error(`getCode failed, code is ${err.code}, message is ${err.message}`);
     } else {
         console.info("getCode " + JSON.stringify(code));
@@ -105,7 +105,7 @@ Sets the code for this common event. This API uses an asynchronous callback to r
 ```ts
 // Callback for result code setting of an ordered common event.
 function setCodeCB(err:Base.BusinessError) {
-    if (err.code) {
+    if (err.code !== undefined && err.code != null) {
         console.error(`setCode failed, code is ${err.code}, message is ${err.message}`);
     } else {
         console.info("setCode");
@@ -163,7 +163,7 @@ Obtains the data of this common event. This API uses an asynchronous callback to
 ```ts
 // Callback for result data obtaining of an ordered common event.
 function getDataCB(err:Base.BusinessError, data:string) {
-    if (err.code) {
+    if (err.code !== undefined && err.code != null) {
         console.error(`getData failed, code is ${err.code}, message is ${err.message}`);
     } else {
         console.info("getData " + JSON.stringify(data));
@@ -216,7 +216,7 @@ Sets the data for this common event. This API uses an asynchronous callback to r
 ```ts
 // Callback for result data setting of an ordered common event
 function setDataCB(err:Base.BusinessError) {
-    if (err.code) {
+    if (err.code !== undefined && err.code != null) {
         console.error(`setCode failed, code is ${err.code}, message is ${err.message}`);
     } else {
         console.info("setData");
@@ -276,7 +276,7 @@ Sets the code and data for this common event. This API uses an asynchronous call
 ```ts
 // Callback for code and data setting of an ordered common event.
 function setCodeDataCB(err:Base.BusinessError) {
-    if (err.code) {
+    if (err.code !== undefined && err.code != null) {
         console.error(`setCodeAndData failed, code is ${err.code}, message is ${err.message}`);
     } else {
         console.info("setCodeDataCallback");
@@ -335,7 +335,7 @@ Checks whether this common event is an ordered one. This API uses an asynchronou
 ```ts
 // Callback for checking whether the current common event is an ordered one.
 function isOrderedCB(err:Base.BusinessError, isOrdered:boolean) {
-    if (err.code) {
+    if (err.code !== undefined && err.code != null) {
         console.error(`isOrderedCommonEvent failed, code is ${err.code}, message is ${err.message}`);
     } else {
         console.info("isOrdered " + JSON.stringify(isOrdered));
@@ -387,7 +387,7 @@ Checks whether this common event is a sticky one. This API uses an asynchronous
 ```ts
 // Callback for checking whether the current common event is a sticky one.
 function isStickyCB(err:Base.BusinessError, isSticky:boolean) {
-    if (err.code) {
+    if (err.code !== undefined && err.code != null) {
         console.error(`isStickyCommonEvent failed, code is ${err.code}, message is ${err.message}`);
     } else {
         console.info("isSticky " + JSON.stringify(isSticky));
@@ -439,7 +439,7 @@ Aborts this common event. After the abort, the common event is not sent to the n
 ```ts
 // Callback for common event aborting.
 function abortCB(err:Base.BusinessError) {
-    if (err.code) {
+    if (err.code !== undefined && err.code != null) {
 		console.error(`abortCommonEvent failed, code is ${err.code}, message is ${err.message}`);
     } else {
         console.info("abortCommonEvent");
@@ -491,7 +491,7 @@ Clears the aborted state of this common event. This API takes effect only for or
 ```ts
 // Callback for clearing the aborted state of the current common event.
 function clearAbortCB(err:Base.BusinessError) {
-    if (err.code) {
+    if (err.code !== undefined && err.code != null) {
         console.error(`clearAbortCommonEvent failed, code is ${err.code}, message is ${err.message}`);
     } else {
         console.info("clearAbortCommonEvent");
@@ -543,7 +543,7 @@ Checks whether this common event is in the aborted state. This API takes effect
 ```ts
 // Callback for checking whether the current common event is in the aborted state.
 function getAbortCB(err:Base.BusinessError, abortEvent:boolean) {
-    if (err.code) {
+    if (err.code !== undefined && err.code != null) {
         console.error(`getAbortCommonEvent failed, code is ${err.code}, message is ${err.message}`);
     } else {
         console.info("abortCommonEvent " + abortEvent)
@@ -595,7 +595,7 @@ Obtains the subscriber information. This API uses an asynchronous callback to re
 ```ts
 // Callback for subscriber information obtaining.
 function getCB(err:Base.BusinessError, subscribeInfo:CommonEventManager.CommonEventSubscribeInfo) {
-    if (err.code) {
+    if (err.code !== undefined && err.code != null) {
         console.error(`getSubscribeInfo failed, code is ${err.code}, message is ${err.message}`);
     } else {
         console.info("subscribeInfo " + JSON.stringify(subscribeInfo));
@@ -647,7 +647,7 @@ Finishes this common event. This API takes effect only for ordered common events
 ```ts
 // Callback for ordered common event finishing.
 function finishCB(err:Base.BusinessError) {
-  if (err.code) {
+  if (err.code !== undefined && err.code != null) {
     console.error(`finishCommonEvent failed, code is ${err.code}, message is ${err.message}`);
   } else {
     console.info("FinishCommonEvent");
diff --git a/en/application-dev/reference/apis/js-apis-inputconsumer.md b/en/application-dev/reference/apis/js-apis-inputconsumer.md
index 4de59dd1322f1cc83203ad38bc63746c81d56e8a..dafc758638557477995f86b78dd065a6e69e2496 100644
--- a/en/application-dev/reference/apis/js-apis-inputconsumer.md
+++ b/en/application-dev/reference/apis/js-apis-inputconsumer.md
@@ -36,10 +36,17 @@ Enables listening for combination key events. This API uses an asynchronous call
 ```js
 let leftAltKey = 2045;
 let tabKey = 2049;
+let keyOptions: inputConsumer.KeyOptions = {
+  preKeys: [ leftAltKey ],
+  finalKey: tabKey,
+  isFinalKeyDown: true,
+  finalKeyDownDuration: 0
+};
+let callback = (keyOptions: inputConsumer.KeyOptions) => {
+  console.log(`keyOptions: ${JSON.stringify(keyOptions)}`);
+}
 try {
-  inputConsumer.on("key", {preKeys: [leftAltKey], finalKey: tabKey, isFinalKeyDown: true, finalKeyDownDuration: 0}, keyOptions => {
-    console.log(`keyOptions: ${JSON.stringify(keyOptions)}`);
-  });
+  inputConsumer.on("key", keyOptions, callback);
 } catch (error) {
   console.log(`Subscribe failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
 }
@@ -68,10 +75,10 @@ Disables listening for combination key events.
 let leftAltKey = 2045;
 let tabKey = 2049;
 // Disable listening for a single callback function.
-let callback = function (keyOptions) {
+let callback = (keyOptions: inputConsumer.KeyOptions) => {
   console.log(`keyOptions: ${JSON.stringify(keyOptions)}`);
 }
-let keyOption = {preKeys: [leftAltKey], finalKey: tabKey, isFinalKeyDown: true, finalKeyDownDuration: 0};
+let keyOption: inputConsumer.KeyOptions = {preKeys: [leftAltKey], finalKey: tabKey, isFinalKeyDown: true, finalKeyDownDuration: 0};
 try {
   inputConsumer.on("key", keyOption, callback);
   inputConsumer.off("key", keyOption, callback);
@@ -84,10 +91,10 @@ try {
 let leftAltKey = 2045;
 let tabKey = 2049;
 // Disable listening for all callback functions.
-let callback = function (keyOptions) {
+let callback = (keyOptions: inputConsumer.KeyOptions) => {
   console.log(`keyOptions: ${JSON.stringify(keyOptions)}`);
 }
-let keyOption = {preKeys: [leftAltKey], finalKey: tabKey, isFinalKeyDown: true, finalKeyDownDuration: 0};
+let keyOption: inputConsumer.KeyOptions = {preKeys: [leftAltKey], finalKey: tabKey, isFinalKeyDown: true, finalKeyDownDuration: 0};
 try {
   inputConsumer.on("key", keyOption, callback);
   inputConsumer.off("key", keyOption);
diff --git a/en/application-dev/reference/apis/js-apis-inputdevice.md b/en/application-dev/reference/apis/js-apis-inputdevice.md
index b69a4f06be062bf9a06e61ee79c0c5d496749148..65c03cd72ff83527028c273b03a83492ed270db2 100644
--- a/en/application-dev/reference/apis/js-apis-inputdevice.md
+++ b/en/application-dev/reference/apis/js-apis-inputdevice.md
@@ -64,7 +64,7 @@ Obtains the IDs of all input devices. This API uses a promise to return the resu
 
 ```js
 try {
-  inputDevice.getDeviceList().then((ids) => {
+  inputDevice.getDeviceList().then((ids: Array<number>) => {
     console.log(`Device id list: ${JSON.stringify(ids)}`);
   });
 } catch (error) {
@@ -157,9 +157,9 @@ Enables listening for device hot swap events.
 ```js
 let isPhysicalKeyboardExist = true;
 try {
-  inputDevice.on("change", (data) => {
+  inputDevice.on("change", (data: inputDevice.DeviceListener) => {
     console.log(`Device event info: ${JSON.stringify(data)}`);
-    inputDevice.getKeyboardType(data.deviceId, (err, type) => {
+    inputDevice.getKeyboardType(data.deviceId, (err: Error, type: inputDevice.KeyboardType) => {
       console.log("The keyboard type is: " + type);
       if (type == inputDevice.KeyboardType.ALPHABETIC_KEYBOARD && data.type == 'add') {
         // The physical keyboard is connected.
@@ -238,7 +238,7 @@ This API is deprecated since API version 9. You are advised to use [inputDevice.
 **Example**
 
 ```js
-inputDevice.getDeviceIds((error, ids) => {
+inputDevice.getDeviceIds((error: Error, ids: Array<number>) => {
   if (error) {
     console.log(`Failed to get device id list, error: ${JSON.stringify(error, [`code`, `message`])}`);
     return;
@@ -266,7 +266,7 @@ This API is deprecated since API version 9. You are advised to use [inputDevice.
 **Example**
 
 ```js
-inputDevice.getDeviceIds().then((ids) => {
+inputDevice.getDeviceIds().then((ids: Array<number>) => {
   console.log(`Device id list: ${JSON.stringify(ids)}`);
 });
 ```
@@ -353,7 +353,7 @@ Obtains the key codes supported by the input device. This API uses an asynchrono
 ```js
 // Check whether the input device whose ID is 1 supports key codes 17, 22, and 2055.
 try {
-  inputDevice.supportKeys(1, [17, 22, 2055], (error, supportResult) => {
+  inputDevice.supportKeys(1, [17, 22, 2055], (error: Error, supportResult: Array<boolean>) => {
     console.log(`Query result: ${JSON.stringify(supportResult)}`);
   });
 } catch (error) {
@@ -452,7 +452,7 @@ Obtains the keyboard type of an input device. This API uses an asynchronous call
 ```js
 // Query the keyboard type of the input device whose ID is 1.
 try {
-  inputDevice.getKeyboardType(1).then((type) => {
+  inputDevice.getKeyboardType(1).then((type: number) => {
     console.log(`Keyboard type: ${JSON.stringify(type)}`);
   });
 } catch (error) {
@@ -547,7 +547,7 @@ Obtains the keyboard repeat delay. This API uses an asynchronous callback to ret
 
 ```js
 try {
-  inputDevice.getKeyboardRepeatDelay((error, delay) => {
+  inputDevice.getKeyboardRepeatDelay((error: Error, delay: number) => {
     if (error) {
       console.log(`Get keyboard repeat delay failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
       return;
diff --git a/en/application-dev/reference/apis/js-apis-inputmonitor.md b/en/application-dev/reference/apis/js-apis-inputmonitor.md
index d6514f42799102b15c8e20a978fe71494c281dfd..a9f075f19b1dab7e8c60d97cf3573951ed6c30b1 100644
--- a/en/application-dev/reference/apis/js-apis-inputmonitor.md
+++ b/en/application-dev/reference/apis/js-apis-inputmonitor.md
@@ -37,7 +37,7 @@ Enables listening for global touch events.
 
 ```js
 try {
-  inputMonitor.on("touch", (touchEvent) => {
+  inputMonitor.on("touch", (touchEvent: TouchEvent) => {
     console.log(`Monitor on success ${JSON.stringify(touchEvent)}`);
     return false;
   });
@@ -99,7 +99,7 @@ Disables listening for global touch events.
 
 ```js
 // Disable listening for a single callback function.
-function callback(touchEvent) {
+let callback = (touchEvent: touchEvent) => {
   console.log(`Monitor on success ${JSON.stringify(touchEvent)}`);
   return false;
 };
@@ -114,7 +114,7 @@ try {
 
 ```js
 // Cancel listening for all callback functions.
-function callback(touchEvent) {
+let callback = (touchEvent: touchEvent) => {
   console.log(`Monitor on success ${JSON.stringify(touchEvent)}`);
   return false;
 };
@@ -148,7 +148,7 @@ Stops listening for global mouse events.
 
 ```js
 // Disable listening for a single callback.
-function callback(mouseEvent) {
+let callback = (mouseEvent: MouseEvent) => {
   console.log(`Monitor on success ${JSON.stringify(mouseEvent)}`);
   return false;
 };
@@ -163,7 +163,7 @@ try {
 
 ```js
 // Disable listening for all callback functions.
-function callback(mouseEvent) {
+let callback = (mouseEvent: MouseEvent) => {
   console.log(`Monitor on success ${JSON.stringify(mouseEvent)}`);
   return false;
 };
diff --git a/en/application-dev/reference/apis/js-apis-nfcTag.md b/en/application-dev/reference/apis/js-apis-nfcTag.md
index 07e68bebed8fd58bbf29a1bb6d800b8a5710821c..c5b1ea381c93742da1cb1daa80f31561debe2b35 100644
--- a/en/application-dev/reference/apis/js-apis-nfcTag.md
+++ b/en/application-dev/reference/apis/js-apis-nfcTag.md
@@ -525,7 +525,7 @@ import tag from '@ohos.nfc.tag';
 let elementName = null;
 let discTech = [tag.NFC_A, tag.NFC_B]; // replace with the tech(s) that is needed by foreground ability
 
-function foregroundCb(err, taginfo) {
+function foregroundCb(err, tagInfo) {
     if (!err) {
         console.log("foreground callback: tag found tagInfo = ", JSON.stringify(tagInfo));
     } else {
diff --git a/en/application-dev/reference/apis/js-apis-nfctech.md b/en/application-dev/reference/apis/js-apis-nfctech.md
index b4f4905ccc0b3a6310f74ea700d16b3e6df519ea..60036f27371e1cc70b17f2bb7dbf61d169a75e62 100644
--- a/en/application-dev/reference/apis/js-apis-nfctech.md
+++ b/en/application-dev/reference/apis/js-apis-nfctech.md
@@ -1863,7 +1863,7 @@ The following describes the unique APIs of **MifareUltralightTag**.
 
 readMultiplePages(pageIndex: number): Promise\<number[]>
 
-Reads four pages (4 bytes per page) from this tag. This API uses a promise to return the result.
+Reads four pages of data (4 bytes per page) from this tag. This API uses a promise to return the result.
 
 **Required permissions**: ohos.permission.NFC_TAG
 
@@ -1921,7 +1921,7 @@ try {
 
 readMultiplePages(pageIndex: number, callback: AsyncCallback\<number[]>): void
 
-Reads four pages (4 bytes per page) from this tag. This API uses an asynchronous callback to return the result.
+Reads four pages of data (4 bytes per page) from this tag. This API uses an asynchronous callback to return the result.
 
 **Required permissions**: ohos.permission.NFC_TAG
 
@@ -2188,6 +2188,13 @@ Formats this tag as an NDEF tag, and writes an NDEF message to it. This API uses
 | ------------------ | --------------------------|
 | callback: AsyncCallback\<void> | Callback invoked to return the result.|
 
+**Error codes**
+
+For details about the error codes, see [NFC Error Codes](../errorcodes/errorcode-nfc.md).
+
+| ID| Error Message|
+| ------- | -------|
+| 3100201 | Tag running state is abnormal in service. |
 
 **Example**
 
@@ -2297,6 +2304,13 @@ Formats this tag as an NDEF tag, writes an NDEF message to the NDEF tag, and the
 | ------------------ | --------------------------|
 | callback: AsyncCallback\<void> | Callback invoked to return the result.|
 
+**Error codes**
+
+For details about the error codes, see [NFC Error Codes](../errorcodes/errorcode-nfc.md).
+
+| ID| Error Message|
+| ------- | -------|
+| 3100201 | Tag running state is abnormal in service. |
 
 **Example**
 
diff --git a/en/application-dev/reference/apis/js-apis-pointer.md b/en/application-dev/reference/apis/js-apis-pointer.md
index 39d64c64f8d0f015b44823b5fe87f42f8a06bde2..15d233733a0d8ec8cf9dfe37e2fb2d36a1836439 100644
--- a/en/application-dev/reference/apis/js-apis-pointer.md
+++ b/en/application-dev/reference/apis/js-apis-pointer.md
@@ -31,7 +31,7 @@ Sets the visible status of the mouse pointer. This API uses an asynchronous call
 
 ```js
 try {
-  pointer.setPointerVisible(true, (error) => {
+  pointer.setPointerVisible(true, (error: Error) => {
     if (error) {
       console.log(`Set pointer visible failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
       return;
@@ -123,7 +123,7 @@ Checks the visible status of the mouse pointer. This API uses a promise to retur
 
 ```js
 try {
-  pointer.isPointerVisible().then((visible) => {
+  pointer.isPointerVisible().then((visible: boolean) => {
     console.log(`Get pointer visible success, visible: ${JSON.stringify(visible)}`);
   });
 } catch (error) {
@@ -152,7 +152,7 @@ Sets the mouse movement speed. This API uses an asynchronous callback to return
 
 ```js
 try {
-  pointer.setPointerSpeed(5, (error) => {
+  pointer.setPointerSpeed(5, (error: Error) => {
     if (error) {
       console.log(`Set pointer speed failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
       return;
@@ -218,7 +218,7 @@ Obtains the mouse movement speed. This API uses an asynchronous callback to retu
 
 ```js
 try {
-  pointer.getPointerSpeed((error, speed) => {
+  pointer.getPointerSpeed((error: Error, speed：number) => {
     if (error) {
       console.log(`Get pointer speed failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
       return;
@@ -250,7 +250,7 @@ Obtains the mouse movement speed. This API uses a promise to return the result.
 
 ```js
 try {
-  pointer.getPointerSpeed().then(speed => {
+  pointer.getPointerSpeed().then(speed: number => {
     console.log(`Get pointer speed success, speed: ${JSON.stringify(speed)}`);
   });
 } catch (error) {
@@ -279,7 +279,7 @@ Sets the status of the mouse hover scroll switch. This API uses an asynchronous
 
 ```js
 try {
-  pointer.setHoverScrollState(true, (error) => {
+  pointer.setHoverScrollState(true, (error: Error) => {
     if (error) {
       console.log(`Set the mouse hover scroll failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
       return;
@@ -345,7 +345,7 @@ Obtains the status of the mouse hover scroll switch. This API uses an asynchrono
 
 ```js
 try {
-  pointer.getHoverScrollState((error, state) => {
+  pointer.getHoverScrollState((error: Error, state: boolean) => {
     console.log(`Get the mouse hover scroll success, state: ${JSON.stringify(state)}`);
   });
 } catch (error) {
@@ -373,7 +373,7 @@ Obtains the status of the mouse hover scroll switch. This API uses a promise to
 
 ```js
 try {
-  pointer.getHoverScrollState().then((state) => {
+  pointer.getHoverScrollState().then((state: Boolean) => {
     console.log(`Get the mouse hover scroll success, state: ${JSON.stringify(state)}`);
   });
 } catch (error) {
@@ -402,7 +402,7 @@ Sets the primary button of the mouse. This API uses an asynchronous callback to
 
 ```js
 try {
-  pointer.setMousePrimaryButton(pointer.PrimaryButton.RIGHT, (error) => {
+  pointer.setMousePrimaryButton(pointer.PrimaryButton.RIGHT, (error: Error) => {
     if (error) {
       console.log(`Set mouse primary button failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
       return;
@@ -656,9 +656,9 @@ Obtains the mouse pointer style. This API uses an asynchronous callback to retur
 **Example**
 
 ```js
-import window from '@ohos.window';
-
-window.getLastWindow(this.context, (error, win) => {
+import { BusinessError }  from '@ohos.base';
+let context = getContext(this);
+window.getLastWindow(context, (error: BusinessError, win: window.Window) => {
   if (error.code) {
     console.error('Failed to obtain the top window. Cause: ' + JSON.stringify(error));
     return;
@@ -669,7 +669,7 @@ window.getLastWindow(this.context, (error, win) => {
     return;
   }
   try {
-    pointer.getPointerStyle(windowId, (error, style) => {
+    pointer.getPointerStyle(windowId, (error: Error, style: pointer.PointerStyle) => {
       console.log(`Get pointer style success, style: ${JSON.stringify(style)}`);
     });
   } catch (error) {
@@ -701,9 +701,9 @@ Obtains the mouse pointer style. This API uses a promise to return the result.
 **Example**
 
 ```js
-import window from '@ohos.window';
-
-window.getLastWindow(this.context, (error, win) => {
+import { BusinessError }  from '@ohos.base';
+let context = getContext(this);
+window.getLastWindow(context, (error: BusinessError, win: window.Window) => {
   if (error.code) {
     console.error('Failed to obtain the top window. Cause: ' + JSON.stringify(error));
     return;
@@ -714,7 +714,7 @@ window.getLastWindow(this.context, (error, win) => {
     return;
   }
   try {
-    pointer.getPointerStyle(windowId).then((style) => {
+    pointer.getPointerStyle(windowId).then((style: pointer.PointerStyle) => {
       console.log(`Get pointer style success, style: ${JSON.stringify(style)}`);
     });
   } catch (error) {
@@ -875,7 +875,7 @@ Sets the scroll switch of the touchpad. This API uses an asynchronous callback t
 
 ```js
 try {
-  pointer.setTouchpadScrollSwitch(true, (error) => {
+  pointer.setTouchpadScrollSwitch(true, (error: Error) => {
     if (error) {
       console.log(`setTouchpadScrollSwitch failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
       return;
@@ -941,7 +941,7 @@ Obtains the scroll switch status of the touchpad. This API uses an asynchronous
 
 ```js
 try {
-  pointer.getTouchpadScrollSwitch ((error, state) => {
+  pointer.getTouchpadScrollSwitch ((error: Error, state: Boolean) => {
     console.log(`getTouchpadScrollSwitch success, state: ${JSON.stringify(state)}`);
   });
 } catch (error) {
@@ -969,7 +969,7 @@ Obtains the scroll switch status of the touchpad. This API uses a promise to ret
 
 ```js
 try {
-  pointer.getTouchpadScrollSwitch().then((state) => {
+  pointer.getTouchpadScrollSwitch().then((state: Boolean) => {
     console.log(`getTouchpadScrollSwitch success, state: ${JSON.stringify(state)}`);
   });
 } catch (error) {
@@ -1064,7 +1064,7 @@ Obtains the scroll direction of the touchpad. This API uses an asynchronous call
 
 ```js
 try {
-  pointer.getTouchpadScrollSwitch ((error, state) => {
+  pointer.getTouchpadScrollSwitch ((error: Error, state: Boolean) => {
     console.log(`getTouchpadScrollDirection success, state: ${JSON.stringify(state)}`);
   });
 } catch (error) {
@@ -1092,7 +1092,7 @@ Obtains the scroll direction of the touchpad. This API uses a promise to return
 
 ```js
 try {
-  pointer.getTouchpadScrollDirection().then((state) => {
+  pointer.getTouchpadScrollDirection().then((state: Boolean) => {
     console.log(`getTouchpadScrollDirection success, state: ${JSON.stringify(state)}`);
   });
 } catch (error) {
@@ -1121,7 +1121,7 @@ Sets the tap switch of the touchpad. This API uses an asynchronous callback to r
 
 ```js
 try {
-  pointer.setTouchpadTapSwitch(true, (error) => {
+  pointer.setTouchpadTapSwitch(true, (error: Error) => {
     if (error) {
       console.log(`setTouchpadTapSwitch failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
       return;
@@ -1215,7 +1215,7 @@ Obtains the tap switch status of the touchpad. This API uses a promise to return
 
 ```js
 try {
-  pointer.getTouchpadTapSwitch().then((state) => {
+  pointer.getTouchpadTapSwitch().then((state: Boolean) => {
     console.log(`getTouchpadTapSwitch success, state: ${JSON.stringify(state)}`);
   });
 } catch (error) {
@@ -1310,7 +1310,7 @@ Obtains the cursor moving speed of the touchpad. This API uses an asynchronous c
 
 ```js
 try {
-  pointer.getTouchpadPointerSpeed((error, speed) => {
+  pointer.getTouchpadPointerSpeed((error: Error, speed: number) => {
     console.log(`getTouchpadPointerSpeed success, speed: ${JSON.stringify(speed)}`);
   });
 } catch (error) {
@@ -1338,7 +1338,7 @@ Obtains the cursor moving speed of the touchpad. This API uses a promise to retu
 
 ```js
 try {
-  pointer.getTouchpadPointerSpeed().then((speed) => {
+  pointer.getTouchpadPointerSpeed().then((speed: number) => {
     console.log(`getTouchpadPointerSpeed success, speed: ${JSON.stringify(speed)}`);
   });
 } catch (error) {
@@ -1367,7 +1367,7 @@ Sets the pinch switch of the touchpad. This API uses an asynchronous callback to
 
 ```js
 try {
-  pointer.setTouchpadTapSwitch(true, (error) => {
+  pointer.setTouchpadTapSwitch(true, (error: Error) => {
     if (error) {
       console.log(`setTouchpadPinchSwitch failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
       return;
@@ -1490,7 +1490,7 @@ Sets the multi-finger swipe switch of the touchpad. This API uses an asynchronou
 
 ```js
 try {
-  pointer.setTouchpadSwipeSwitch(true, (error) => {
+  pointer.setTouchpadSwipeSwitch(true, (error: Error) => {
     if (error) {
       console.log(`setTouchpadSwipeSwitch failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
       return;
@@ -1584,7 +1584,7 @@ Obtains the multi-finger swipe switch status of the touchpad. This API uses a pr
 
 ```js
 try {
-  pointer.getTouchpadSwipeSwitch().then((state) => {
+  pointer.getTouchpadSwipeSwitch().then((state: boolean) => {
     console.log(`getTouchpadSwipeSwitch success, state: ${JSON.stringify(state)}`);
   });
 } catch (error) {
@@ -1691,7 +1691,7 @@ Obtains the shortcut menu type of the touchpad. This API uses an asynchronous ca
 
 ```js
 try {
-  pointer.getTouchpadRightClickType((error, type) => {
+  pointer.getTouchpadRightClickType((error: Error, type: pointer.RightClickType) => {
     console.log(`getTouchpadRightClickType success, type: ${JSON.stringify(type)}`);
   });
 } catch (error) {
@@ -1869,7 +1869,7 @@ Obtains the pointer size. This API uses a promise to return the result.
 
 ```js
 try {
-  pointer.getPointerSize().then((size) => {
+  pointer.getPointerSize().then((size: number) => {
     console.log(`getPointerSize success, size: ${JSON.stringify(size)}`);
   });
 } catch (error) {
@@ -1925,7 +1925,7 @@ Sets the pointer color. This API uses an asynchronous callback to return the res
 
 ```js
 try {
-  pointer.setPointerColor(0xF6C800, (error) => {
+  pointer.setPointerColor(0xF6C800, (error: Error) => {
     if (error) {
       console.log(`setPointerColor failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
       return;
diff --git a/zh-cn/application-dev/application-models/Readme-CN.md b/zh-cn/application-dev/application-models/Readme-CN.md
index 2f5d818537a2e5020a0ab1617597d0b14427a5f4..e7482b11c9aafef87d85b70a0359cc97a3b43a3d 100644
--- a/zh-cn/application-dev/application-models/Readme-CN.md
+++ b/zh-cn/application-dev/application-models/Readme-CN.md
@@ -62,7 +62,7 @@
     - 应用组件跨设备交互（流转）
       - [流转概述](inter-device-interaction-hop-overview.md)
       - [跨端迁移](hop-cross-device-migration.md)
-      - [多端协同（仅对系统应用开放）](hop-multi-device-collaboration.md)
+      - [多端协同](hop-multi-device-collaboration.md)
     - [订阅系统环境变量的变化](subscribe-system-environment-variable-changes.md)
   - 了解进程模型
     - [进程模型概述](process-model-stage.md)
diff --git a/zh-cn/application-dev/application-models/arkts-ui-widget-event-call.md b/zh-cn/application-dev/application-models/arkts-ui-widget-event-call.md
index 8a674be2aafc5ed44c8ac330b3cc366f7c470fa2..5613815201cf1a19015f76c1b743c68a838821a3 100644
--- a/zh-cn/application-dev/application-models/arkts-ui-widget-event-call.md
+++ b/zh-cn/application-dev/application-models/arkts-ui-widget-event-call.md
@@ -53,27 +53,48 @@
   
   ```ts
   import UIAbility from '@ohos.app.ability.UIAbility';
-  
-  function FunACall(data) {
-    // 获取call事件中传递的所有参数
-    console.info('FunACall param:' + JSON.stringify(data.readString()));
-    return null;
-  }
-  
-  function FunBCall(data) {
-    console.info('FunBCall param:' + JSON.stringify(data.readString()));
-    return null;
+  import Base from '@ohos.base'
+  import rpc from '@ohos.rpc';
+  import Want from '@ohos.app.ability.Want';
+  import AbilityConstant from '@ohos.app.ability.AbilityConstant';
+
+
+  class MyParcelable implements rpc.Parcelable {
+    num: number;
+    str: string;
+    constructor(num: number, str: string) {
+      this.num = num;
+      this.str = str;
+    }
+    marshalling(messageSequence: rpc.MessageSequence): boolean {
+      messageSequence.writeInt(this.num);
+      messageSequence.writeString(this.str);
+      return true;
+    }
+    unmarshalling(messageSequence: rpc.MessageSequence): boolean {
+      this.num = messageSequence.readInt();
+      this.str = messageSequence.readString();
+      return true;
+    }
   }
   
   export default class CameraAbility extends UIAbility {
     // 如果UIAbility第一次启动，在收到call事件后会触发onCreate生命周期回调
-    onCreate(want, launchParam) {
+    onCreate(want: Want, launchParam: AbilityConstant.LaunchParam) {
       try {
         // 监听call事件所需的方法
-        this.callee.on('funA', FunACall);
-        this.callee.on('funB', FunBCall);
+        this.callee.on('funA', (data: rpc.MessageSequence) => {
+          // 获取call事件中传递的所有参数
+          console.info('FunACall param:' + JSON.stringify(data.readString()));
+          return new MyParcelable(1, 'aaa');
+        });
+        this.callee.on('funB', (data: rpc.MessageSequence) => {
+          // 获取call事件中传递的所有参数
+          console.info('FunACall param:' + JSON.stringify(data.readString()));
+          return new MyParcelable(2, 'bbb');
+        });
       } catch (err) {
-        console.error(`Failed to register callee on. Cause: ${JSON.stringify(err)}`);
+        console.error(`Failed to register callee on. Cause: ${JSON.stringify(err as Base.BusinessError)}`);
       }
     }
   
@@ -85,7 +106,7 @@
         this.callee.off('funA');
         this.callee.off('funB');
       } catch (err) {
-        console.error(`Failed to register callee off. Cause: ${JSON.stringify(err)}`);
+        console.error(`Failed to register callee off. Cause: ${JSON.stringify(err as Base.BusinessError)}`);
       }
     }
   };
diff --git a/zh-cn/application-dev/application-models/arkts-ui-widget-event-formextensionability.md b/zh-cn/application-dev/application-models/arkts-ui-widget-event-formextensionability.md
index 9f82d3bad12319224a1bc3a9aafbff57b97eb2f8..736a4b4a9eba5a2231d2622ce51e397b54d3d329 100644
--- a/zh-cn/application-dev/application-models/arkts-ui-widget-event-formextensionability.md
+++ b/zh-cn/application-dev/application-models/arkts-ui-widget-event-formextensionability.md
@@ -52,10 +52,10 @@
       let formData = new Map<Object, string>();
       formData.set('title', 'Title Update.'); // 和卡片布局中对应
       formData.set('detail', 'Description update success.'); // 和卡片布局中对应
-      let formInfo = formBindingData.createFormBindingData(formData)
-      formProvider.updateForm(formId, formInfo).then((data) => {
-        console.info('FormAbility updateForm success.' + JSON.stringify(data));
-      })
+      let formInfo: formBindingData.FormBindingData = formBindingData.createFormBindingData(formData);
+      formProvider.updateForm(formId, formInfo).then(() => {
+        console.info('FormAbility updateForm success.');
+      });
     }
 
     ...
diff --git a/zh-cn/application-dev/application-models/arkts-ui-widget-event-router.md b/zh-cn/application-dev/application-models/arkts-ui-widget-event-router.md
index eaaf5cbb7b431a3b3dee53bc4a9696661dfa07c7..45b67e1de66b987783fe0e0faaca0211935829bb 100644
--- a/zh-cn/application-dev/application-models/arkts-ui-widget-event-router.md
+++ b/zh-cn/application-dev/application-models/arkts-ui-widget-event-router.md
@@ -54,26 +54,29 @@
   ```ts
   import UIAbility from '@ohos.app.ability.UIAbility';
   import window from '@ohos.window';
+  import Want from '@ohos.app.ability.Want';
+  import Base from '@ohos.base';
+  import AbilityConstant from '@ohos.app.ability.AbilityConstant';
   
-  let selectPage = "";
-  let currentWindowStage = null;
-  
+  let selectPage: string = "";
+  let currentWindowStage: window.WindowStage | null = null;
+
   export default class EntryAbility extends UIAbility {
     // 如果UIAbility第一次启动，在收到Router事件后会触发onCreate生命周期回调
-    onCreate(want, launchParam) {
+    onCreate(want: Want, launchParam: AbilityConstant.LaunchParam) {
       // 获取router事件中传递的targetPage参数
       console.info("onCreate want:" + JSON.stringify(want));
-      if (want.parameters.params !== undefined) {
-        let params = JSON.parse(want.parameters.params);
+      if (want.parameters?.params !== undefined) {
+        let params: Record<string, string> = JSON.parse(JSON.stringify(want.parameters?.params));
         console.info("onCreate router targetPage:" + params.targetPage);
         selectPage = params.targetPage;
       }
     }
     // 如果UIAbility已在后台运行，在收到Router事件后会触发onNewWant生命周期回调
-    onNewWant(want, launchParam) {
+    onNewWant(want: Want, launchParam: AbilityConstant.LaunchParam) {
       console.info("onNewWant want:" + JSON.stringify(want));
-      if (want.parameters.params !== undefined) {
-        let params = JSON.parse(want.parameters.params);
+      if (want.parameters?.params !== undefined) {
+        let params: Record<string, string> = JSON.parse(JSON.stringify(want.parameters?.params));
         console.info("onNewWant router targetPage:" + params.targetPage);
         selectPage = params.targetPage;
       }
@@ -81,9 +84,9 @@
         this.onWindowStageCreate(currentWindowStage);
       }
     }
-  
+
     onWindowStageCreate(windowStage: window.WindowStage) {
-      let targetPage;
+      let targetPage: string;
       // 根据传递的targetPage不同，选择拉起不同的页面
       switch (selectPage) {
         case 'funA':
@@ -98,7 +101,7 @@
       if (currentWindowStage === null) {
         currentWindowStage = windowStage;
       }
-      windowStage.loadContent(targetPage, (err, data) => {
+      windowStage.loadContent(targetPage, (err: Base.BusinessError) => {
         if (err && err.code) {
           console.info('Failed to load the content. Cause: %{public}s', JSON.stringify(err));
           return;
diff --git a/zh-cn/application-dev/application-models/arkts-ui-widget-event-uiability.md b/zh-cn/application-dev/application-models/arkts-ui-widget-event-uiability.md
index d5e225db93f33277251bbb0e12ad94ccda219c80..35f6b7ff5d882ca5fb0843559b6c60312b58c705 100644
--- a/zh-cn/application-dev/application-models/arkts-ui-widget-event-uiability.md
+++ b/zh-cn/application-dev/application-models/arkts-ui-widget-event-uiability.md
@@ -44,30 +44,33 @@
   import formBindingData from '@ohos.app.form.formBindingData';
   import formProvider from '@ohos.app.form.formProvider';
   import formInfo from '@ohos.app.form.formInfo';
+  import AbilityConstant from '@ohos.app.ability.AbilityConstant';
+  import Want from '@ohos.app.ability.Want';
+  import Base from '@ohos.base'
   
   export default class EntryAbility extends UIAbility {
     // 如果UIAbility第一次启动，在收到Router事件后会触发onCreate生命周期回调
-    onCreate(want, launchParam) {
+    onCreate(want: Want, launchParam: AbilityConstant.LaunchParam) {
       this.handleFormRouterEvent(want);
     }
     // 如果UIAbility已在后台运行，在收到Router事件后会触发onNewWant生命周期回调
-    onNewWant(want, launchParam) {
+    onNewWant(want: Want, launchParam: AbilityConstant.LaunchParam) {
       this.handleFormRouterEvent(want);
     }
 
-    handleFormRouterEvent(want) {
+    handleFormRouterEvent(want: Want) {
       console.info('Want:' + JSON.stringify(want));
-      if (want.parameters[formInfo.FormParam.IDENTITY_KEY] !== undefined) {
-        let curFormId = want.parameters[formInfo.FormParam.IDENTITY_KEY];
-        let message = JSON.parse(want.parameters.params).detail;
+      if (want.parameters && want.parameters[formInfo.FormParam.IDENTITY_KEY] !== undefined) {
+        let curFormId = JSON.stringify(want.parameters[formInfo.FormParam.IDENTITY_KEY]);
+        let message: string = JSON.parse(JSON.stringify(want.parameters.params)).detail;
         console.info(`UpdateForm formId: ${curFormId}, message: ${message}`);
-        let formData = {
+        let formData: Record<string, string> = {
           "detail": message + ': UIAbility.', // 和卡片布局中对应
         };
         let formMsg = formBindingData.createFormBindingData(formData)
         formProvider.updateForm(curFormId, formMsg).then((data) => {
           console.info('updateForm success.' + JSON.stringify(data));
-        }).catch((error) => {
+        }).catch((error: Base.BusinessError) => {
           console.error('updateForm failed:' + JSON.stringify(error));
         })
       }
@@ -83,18 +86,21 @@
    ```ts
    import formBindingData from '@ohos.app.form.formBindingData';
    import FormExtensionAbility from '@ohos.app.form.FormExtensionAbility';
+   import Want from '@ohos.app.ability.Want';
    
    export default class EntryFormAbility extends FormExtensionAbility {
-     onAddForm(want) {
-      let formId = want.parameters["ohos.extra.param.key.form_identity"];
-      let dataObj1 = {
-        "formId": formId
-      };
+    onAddForm(want: Want) {
+      let dataObj1: Record<string, string> | undefined;
+      if (want.parameters && want.parameters["ohos.extra.param.key.form_identity"] != undefined) {
+        let formId: string = JSON.parse(JSON.stringify(want.parameters["ohos.extra.param.key.form_identity"]));
+        dataObj1 = {
+          "formId": formId
+        };
+      }
       let obj1 = formBindingData.createFormBindingData(dataObj1);
       return obj1;
     }
-    
-     ...
+    ...
    };
    ```
 
@@ -138,40 +144,63 @@
   import UIAbility from '@ohos.app.ability.UIAbility';
   import formBindingData from '@ohos.app.form.formBindingData';
   import formProvider from '@ohos.app.form.formProvider';
+  import Want from '@ohos.app.ability.Want';
+  import Base from '@ohos.base'
+  import rpc from '@ohos.rpc';
+  import AbilityConstant from '@ohos.app.ability.AbilityConstant';
   
   const MSG_SEND_METHOD: string = 'funA';
-  
+
+  class MyParcelable implements rpc.Parcelable {
+    num: number;
+    str: string;
+    constructor(num: number, str: string) {
+      this.num = num;
+      this.str = str;
+    }
+    marshalling(messageSequence: rpc.MessageSequence): boolean {
+      messageSequence.writeInt(this.num);
+      messageSequence.writeString(this.str);
+      return true;
+    }
+    unmarshalling(messageSequence: rpc.MessageSequence): boolean {
+      this.num = messageSequence.readInt();
+      this.str = messageSequence.readString();
+      return true;
+    }
+  }
+
   // 在收到call事件后会触发callee监听的方法
-  function FunACall(data) {
+  let FunACall = (data: rpc.MessageSequence) => {
     // 获取call事件中传递的所有参数
-    let params = JSON.parse(data.readString())
+    let params: Record<string, string> = JSON.parse(data.readString())
     if (params.formId !== undefined) {
-      let curFormId = params.formId;
-      let message = params.detail;
+      let curFormId: string = params.formId;
+      let message: string = params.detail;
       console.info(`UpdateForm formId: ${curFormId}, message: ${message}`);
-      let formData = {
+      let formData: Record<string, string> = {
         "detail": message
       };
-      let formMsg = formBindingData.createFormBindingData(formData)
+      let formMsg: formBindingData.FormBindingData = formBindingData.createFormBindingData(formData);
       formProvider.updateForm(curFormId, formMsg).then((data) => {
         console.info('updateForm success.' + JSON.stringify(data));
-      }).catch((error) => {
+      }).catch((error: Base.BusinessError) => {
         console.error('updateForm failed:' + JSON.stringify(error));
       })
     }
-    return null;
+    return new MyParcelable(1, 'aaa');
   }
+
   export default class EntryAbility extends UIAbility {
     // 如果UIAbility第一次启动，call事件后会触发onCreate生命周期回调
-    onCreate(want, launchParam) {
+    onCreate(want: Want, launchParam: AbilityConstant.LaunchParam) {
       console.info('Want:' + JSON.stringify(want));
       try {
-         // 监听call事件所需的方法
+        // 监听call事件所需的方法
         this.callee.on(MSG_SEND_METHOD, FunACall);
       } catch (error) {
-        console.info(`${MSG_SEND_METHOD} register failed with error ${JSON.stringify(error)}`)
+        console.info(`${MSG_SEND_METHOD} register failed with error ${JSON.stringify(error as Base.BusinessError)}`)
       }
     }
-    ...
   }
   ```
\ No newline at end of file
diff --git a/zh-cn/application-dev/application-models/arkts-ui-widget-image-update.md b/zh-cn/application-dev/application-models/arkts-ui-widget-image-update.md
index dacec67a009610221d8d175451261673cae04d79..46fadf04886fc5ee9d646a81819e4d82d7a6bd61 100644
--- a/zh-cn/application-dev/application-models/arkts-ui-widget-image-update.md
+++ b/zh-cn/application-dev/application-models/arkts-ui-widget-image-update.md
@@ -14,31 +14,34 @@
    import FormExtensionAbility from '@ohos.app.form.FormExtensionAbility';
    import request from '@ohos.request';
    import fs from '@ohos.file.fs';
+   import Want from '@ohos.app.ability.Want';
+   import Base from '@ohos.base';
+   import fileFs from '@ohos.file.fs';
    
    export default class EntryFormAbility extends FormExtensionAbility {
      ...
      // 在添加卡片时，打开一个本地图片并将图片内容传递给卡片页面显示
-     onAddForm(want) {
-       // 假设在当前卡片应用的tmp目录下有一个本地图片：head.PNG
-       let tempDir = this.context.getApplicationContext().tempDir;
-       // 打开本地图片并获取其打开后的fd
-       let file;
-       try {
-         file = fs.openSync(tempDir + '/' + 'head.PNG');
-       } catch (e) {
-         console.error(`openSync failed: ${JSON.stringify(e)}`);
-       }
-       let formData = {
-         'text': 'Image: Bear',
-         'imgName': 'imgBear',
-         'formImages': {
-           'imgBear': file.fd
-         },
-         'loaded': true
-       }
-       // 将fd封装在formData中并返回至卡片页面
-       return formBindingData.createFormBindingData(formData);
-     }
+    onAddForm(want: Want) {
+      // 假设在当前卡片应用的tmp目录下有一个本地图片：head.PNG
+      let tempDir = this.context.getApplicationContext().tempDir;
+      // 打开本地图片并获取其打开后的fd
+      let file: fileFs.File;
+      let formData = new Map<string, Object>();
+      formData.set('text', 'Image: Bear');
+      formData.set('imgName', 'imgBear');
+      formData.set('loaded', true);
+      try {
+        file = fs.openSync(tempDir + '/' + 'head.PNG');
+        let imgBear: Record<string, number> = {
+          'imgBear': file.fd
+        }
+        formData.set('formImages', imgBear);
+      } catch (e) {
+        console.error(`openSync failed: ${JSON.stringify(e as Base.BusinessError)}`);
+      }
+      // 将fd封装在formData中并返回至卡片页面
+      return formBindingData.createFormBindingData(formData);
+    }
    
      ...
    }
@@ -46,67 +49,67 @@
 
 3. 在EntryFormAbility中的onFormEvent生命周期回调中实现网络文件的刷新
    
-   ```ts
-   import formBindingData from '@ohos.app.form.formBindingData';
-   import formProvider from '@ohos.app.form.formProvider';
-   import FormExtensionAbility from '@ohos.app.form.FormExtensionAbility';
-   import request from '@ohos.request';
-   import fs from '@ohos.file.fs';
+  ```ts
+  import formBindingData from '@ohos.app.form.formBindingData';
+  import formProvider from '@ohos.app.form.formProvider';
+  import FormExtensionAbility from '@ohos.app.form.FormExtensionAbility';
+  import request from '@ohos.request';
+  import fs from '@ohos.file.fs';
+  import Base from '@ohos.base';
+  import fileFs from '@ohos.file.fs';
    
-   export default class EntryFormAbility extends FormExtensionAbility {
-     // 在卡片页面触发message事件时，下载一个网络图片，并将网络图片内容传递给卡片页面显示
-     onFormEvent(formId, message) {
-       let formInfo = formBindingData.createFormBindingData({
-         'text': '刷新中...'
-       })
-       formProvider.updateForm(formId, formInfo)
-       // 注意：FormExtensionAbility在触发生命周期回调时被拉起，仅能在后台存在5秒
-       // 建议下载能快速下载完成的小文件，如在5秒内未下载完成，则此次网络图片无法刷新至卡片页面上
-       let netFile = 'https://xxxx/xxxx.png'; // 需要在此处使用真实的网络图片下载链接
-       let tempDir = this.context.getApplicationContext().tempDir;
-       let fileName = 'file' + Date.now();
-       let tmpFile = tempDir + '/' + fileName;
-       request.downloadFile(this.context, {
-         url: netFile, filePath: tmpFile, enableMetered: true, enableRoaming: true
-       }).then((task) => {
-         task.on('complete', function callback() {
-           console.info('ArkTSCard download complete:' + tmpFile);
-           let file;
-           try {
-             file = fs.openSync(tmpFile);
-           } catch (e) {
-             console.error(`openSync failed: ${JSON.stringify(e)}`);
-           }
-           let fileInfo = {};
-           fileInfo[fileName] = file.fd;
-           let formData = {
-             'text': 'Image:' + fileName,
-             'imgName': fileName,
-             'formImages': fileInfo,
-             'loaded': true
-           };
-           let formInfo = formBindingData.createFormBindingData(formData)
-           formProvider.updateForm(formId, formInfo).then((data) => {
-             console.info('FormAbility updateForm success.' + JSON.stringify(data));
-           }).catch((error) => {
-             console.error('FormAbility updateForm failed: ' + JSON.stringify(error));
-           })
-         })
-         task.on('fail', function callBack(err) {
-           console.info('ArkTSCard download task failed. Cause:' + err);
-           let formInfo = formBindingData.createFormBindingData({
-             'text': '刷新失败'
-           })
-           formProvider.updateForm(formId, formInfo)
-         });
-       }).catch((err) => {
-         console.error('Failed to request the download. Cause: ' + JSON.stringify(err));
-       });
-     }
-   
-     ...
-   };
-   ```
+  export default class EntryFormAbility extends FormExtensionAbility {
+    // 在卡片页面触发message事件时，下载一个网络图片，并将网络图片内容传递给卡片页面显示
+    onFormEvent(formId: string, message: string) {
+      let formInfo = formBindingData.createFormBindingData({
+        'text': '刷新中...'
+      })
+      formProvider.updateForm(formId, formInfo)
+      // 注意：FormExtensionAbility在触发生命周期回调时被拉起，仅能在后台存在5秒
+      // 建议下载能快速下载完成的小文件，如在5秒内未下载完成，则此次网络图片无法刷新至卡片页面上
+      let netFile = 'https://xxxx/xxxx.png'; // 需要在此处使用真实的网络图片下载链接
+      let tempDir = this.context.getApplicationContext().tempDir;
+      let fileName = 'file' + Date.now();
+      let tmpFile = tempDir + '/' + fileName;
+      request.downloadFile(this.context, {
+        url: netFile, filePath: tmpFile, enableMetered: true, enableRoaming: true
+      }).then((task) => {
+        task.on('complete', () => {
+          console.info('ArkTSCard download complete:' + tmpFile);
+          let file: fileFs.File;
+          let formData = new Map<string, Object>();
+          try {
+            file = fs.openSync(tmpFile);
+            formData.set('text', 'Image: Bear' + fileName);
+            formData.set('imgName', 'imgBear' + fileName);
+            formData.set('loaded', true);
+            let imgBear: Record<string, number> = {
+              'imgBear': file.fd
+            };
+            formData.set('formImages', imgBear);
+          } catch (e) {
+            console.error(`openSync failed: ${JSON.stringify(e as Base.BusinessError)}`);
+          }
+          let formInfo = formBindingData.createFormBindingData(formData);
+          formProvider.updateForm(formId, formInfo).then(() => {
+            console.info('FormAbility updateForm success.');
+          }).catch((error: Base.BusinessError) => {
+            console.error('FormAbility updateForm failed: ' + JSON.stringify(error));
+          });
+        })
+        task.on('fail', (err: number) => {
+          console.info('ArkTSCard download task failed. Cause:' + err);
+          let formInfo = formBindingData.createFormBindingData({
+            'text': '刷新失败'
+          })
+          formProvider.updateForm(formId, formInfo)
+        });
+      }).catch((err: Base.BusinessError) => {
+        console.error('Failed to request the download. Cause: ' + JSON.stringify(err));
+      });
+    }
+  };
+  ```
 
 4. 在卡片页面通过Image组件展示EntryFormAbility传递过来的卡片内容。
 
diff --git a/zh-cn/application-dev/application-models/arkts-ui-widget-lifecycle.md b/zh-cn/application-dev/application-models/arkts-ui-widget-lifecycle.md
index f3c90861a5d6cdd0ab39b940acd7d49defd9a374..bcce41ee8f33b59591b73246faa34e9841349cf6 100644
--- a/zh-cn/application-dev/application-models/arkts-ui-widget-lifecycle.md
+++ b/zh-cn/application-dev/application-models/arkts-ui-widget-lifecycle.md
@@ -20,74 +20,72 @@
    import formBindingData from '@ohos.app.form.formBindingData';
    import FormExtensionAbility from '@ohos.app.form.FormExtensionAbility';
    import formProvider from '@ohos.app.form.formProvider';
+   import { Configuration } from '@ohos.app.ability.Configuration';
+   import Want from '@ohos.app.ability.Want';
+   import formInfo from '@ohos.app.form.formInfo';
+   import Base from '@ohos.base';
    
    export default class EntryFormAbility extends FormExtensionAbility {
-     onAddForm(want) {
-       console.info('[EntryFormAbility] onAddForm');
-       // 在入参want中可以取出卡片的唯一标识：formId
-       let formId: string = want.parameters[formInfo.FormParam.IDENTITY_KEY];
-       // 使用方创建卡片时触发，提供方需要返回卡片数据绑定类
-       let obj = {
-         'title': 'titleOnAddForm',
-         'detail': 'detailOnAddForm'
-       };
-       let formData = formBindingData.createFormBindingData(obj);
-       return formData;
-     }
-   
-     onCastToNormalForm(formId) {
-       // Called when the form provider is notified that a temporary form is successfully
-       // converted to a normal form.
-       // 使用方将临时卡片转换为常态卡片触发，提供方需要做相应的处理
-       console.info(`[EntryFormAbility] onCastToNormalForm, formId: ${formId}`);
-     }
-   
-     onUpdateForm(formId) {
-       // 若卡片支持定时更新/定点更新/卡片使用方主动请求更新功能，则提供方需要重写该方法以支持数据更新
-       console.info('[EntryFormAbility] onUpdateForm');
-       let obj = {
-         'title': 'titleOnUpdateForm',
-         'detail': 'detailOnUpdateForm'
-       };
-       let formData = formBindingData.createFormBindingData(obj);
-       formProvider.updateForm(formId, formData).catch((err) => {
-         if (err) {
-           // 异常分支打印
-           console.error(`[EntryFormAbility] Failed to updateForm. Code: ${err.code}, message: ${err.message}`);
-           return;
-         }
-       });
-     }
-   
-     onChangeFormVisibility(newStatus) {
-       // Called when the form provider receives form events from the system.
-       // 需要配置formVisibleNotify为true，且为系统应用才会回调
-       console.info('[EntryFormAbility] onChangeFormVisibility');
-     }
-   
-     onFormEvent(formId, message) {
-       // Called when a specified message event defined by the form provider is triggered.
-       // 若卡片支持触发事件，则需要重写该方法并实现对事件的触发
-       console.info('[EntryFormAbility] onFormEvent');
-     }
-   
-     onRemoveForm(formId) {
-       // Called to notify the form provider that a specified form has been destroyed.
-       // 当对应的卡片删除时触发的回调，入参是被删除的卡片ID
-       console.info('[EntryFormAbility] onRemoveForm');
-     }
-   
-     onConfigurationUpdate(config) {
-       // 当系统配置信息置更新时触发的回调
-       console.info('[EntryFormAbility] configurationUpdate:' + JSON.stringify(config));
-     }
-   
-     onAcquireFormState(want) {
-       // Called to return a {@link FormState} object.
-       // 卡片提供方接收查询卡片状态通知接口，默认返回卡片初始状态。
-       return formInfo.FormState.READY;
-     }
-   }
+    onAddForm(want: Want) {
+      console.info('[EntryFormAbility] onAddForm');
+      // 使用方创建卡片时触发，提供方需要返回卡片数据绑定类
+      let obj: Record<string, string> = {
+        'title': 'titleOnAddForm',
+        'detail': 'detailOnAddForm'
+      };
+      let formData = formBindingData.createFormBindingData(obj);
+      return formData;
+    }
+
+    onCastToNormalForm(formId: string) {
+      // Called when the form provider is notified that a temporary form is successfully
+      // converted to a normal form.
+      // 使用方将临时卡片转换为常态卡片触发，提供方需要做相应的处理
+      console.info(`[EntryFormAbility] onCastToNormalForm, formId: ${formId}`);
+    }
+
+    onUpdateForm(formId: string) {
+      // 若卡片支持定时更新/定点更新/卡片使用方主动请求更新功能，则提供方需要重写该方法以支持数据更新
+      console.info('[EntryFormAbility] onUpdateForm');
+      let obj: Record<string, string> = {
+        'title': 'titleOnUpdateForm',
+        'detail': 'detailOnUpdateForm'
+      };
+      let formData = formBindingData.createFormBindingData(obj);
+      formProvider.updateForm(formId, formData).catch((err: Base.BusinessError) => {
+        console.error(`[EntryFormAbility] Failed to updateForm. Code: ${err.code}, message: ${err.message}`);
+      });
+    }
+
+    onChangeFormVisibility(newStatus: Record<string, number>) {
+      // Called when the form provider receives form events from the system.
+      // 需要配置formVisibleNotify为true，且为系统应用才会回调
+      console.info('[EntryFormAbility] onChangeFormVisibility');
+    }
+
+    onFormEvent(formId: string, message: string) {
+      // Called when a specified message event defined by the form provider is triggered.
+      // 若卡片支持触发事件，则需要重写该方法并实现对事件的触发
+      console.info('[EntryFormAbility] onFormEvent');
+    }
+
+    onRemoveForm(formId: string) {
+      // Called to notify the form provider that a specified form has been destroyed.
+      // 当对应的卡片删除时触发的回调，入参是被删除的卡片ID
+      console.info('[EntryFormAbility] onRemoveForm');
+    }
+
+    onConfigurationUpdate(config: Configuration) {
+      // 当系统配置信息置更新时触发的回调
+      console.info('[EntryFormAbility] configurationUpdate:' + JSON.stringify(config));
+    }
+
+    onAcquireFormState(want: Want) {
+      // Called to return a {@link FormState} object.
+      // 卡片提供方接收查询卡片状态通知接口，默认返回卡片初始状态。
+      return formInfo.FormState.READY;
+    }
+  }
    ```
 
 
diff --git a/zh-cn/application-dev/application-models/arkts-ui-widget-update-by-proxy.md b/zh-cn/application-dev/application-models/arkts-ui-widget-update-by-proxy.md
index 35476c1a8c09c8ef90f41c11359de11c25c81f20..90df64e8f662ead1080155752b03c0a4d8056be2 100644
--- a/zh-cn/application-dev/application-models/arkts-ui-widget-update-by-proxy.md
+++ b/zh-cn/application-dev/application-models/arkts-ui-widget-update-by-proxy.md
@@ -76,19 +76,22 @@
   > key可以是uri也可以是简单字符串，subscriberId默认值为当前formId，实际取值都依赖于数据发布方的定义。
   ```ts
   import formBindingData from '@ohos.app.form.formBindingData';
+  import Want from '@ohos.app.ability.Want';
+  import FormExtensionAbility from '@ohos.app.form.FormExtensionAbility';
 
-  let dataShareHelper;
-  onAddForm(want) {
-    let formData = {};
-    let proxies = [
-      {
-        "key": "detail",
-        "subscriberId": "11"
-      }
-    ]
-    let formBinding = formBindingData.createFormBindingData(formData);
-    formBinding["proxies"] = proxies;
-    return formBinding;
+  export default class EntryFormAbility extends FormExtensionAbility {
+    onAddForm(want: Want) {
+      let formData: Record<string, Object> = {};
+      let proxies: formBindingData.ProxyData[] = [
+        {
+          "key": "detail",
+          "subscriberId": "11"
+        }
+      ]
+      let formBinding = formBindingData.createFormBindingData(formData);
+      formBinding["proxies"] = proxies;
+      return formBinding;
+    }
   }
   ```
 
@@ -151,33 +154,38 @@
   ```ts
   import formBindingData from '@ohos.app.form.formBindingData';
   import FormExtensionAbility from '@ohos.app.form.FormExtensionAbility';
-  import dataShare from '@ohos.data.dataShare'
-
-  let dataShareHelper;
-  onAddForm(want) {
-    let template = {
-      predicates : {
-        "list" : "select type from TBL00 limit 0,1"
-      },
-      scheduler: ""
-    }
-    let subscriberId = "111";
-    dataShare.createDataShareHelper(this.context, "datashareproxy://com.example.myapplication", {isProxy : true}).then((data) => {
-      dataShareHelper = data;
-      dataShareHelper.addTemplate("datashareproxy://com.example.myapplication/test", subscriberId, template);
-    })
-
-    let formData = {};
-    let proxies = [
-      {
-        "key": "datashareproxy://com.example.myapplication/test",
-        "subscriberId": subscriberId
+  import dataShare from '@ohos.data.dataShare';
+  import Want from '@ohos.app.ability.Want';
+
+  let dataShareHelper: dataShare.DataShareHelper;
+  export default class EntryFormAbility extends FormExtensionAbility {
+    onAddForm(want: Want) {
+      let template: dataShare.Template = {
+        predicates: {
+          "list": "select type from TBL00 limit 0,1"
+        },
+        scheduler: ""
       }
-    ]
-    let formBinding = formBindingData.createFormBindingData(formData);
-    formBinding["proxies"] = proxies;
+      let subscriberId: string = "111";
+      dataShare.createDataShareHelper(this.context, "datashareproxy://com.example.myapplication", {
+        isProxy: true
+      }).then((data: dataShare.DataShareHelper) => {
+        dataShareHelper = data;
+        dataShareHelper.addTemplate("datashareproxy://com.example.myapplication/test", subscriberId, template);
+      })
 
-    return formBinding;
+      let formData: Record<string, Object> = {};
+      let proxies: formBindingData.ProxyData[] = [
+        {
+          "key": "datashareproxy://com.example.myapplication/test",
+          "subscriberId": subscriberId
+        }
+      ]
+      let formBinding = formBindingData.createFormBindingData(formData);
+      formBinding["proxies"] = proxies;
+
+      return formBinding;
+    }
   }
   ```
 
diff --git a/zh-cn/application-dev/application-models/arkts-ui-widget-update-by-status.md b/zh-cn/application-dev/application-models/arkts-ui-widget-update-by-status.md
index fc550230a7a8b1188217f51fcef89f5009aeb400..0c7ef505c34e97f4a91d225cc6ec804040e12ff6 100644
--- a/zh-cn/application-dev/application-models/arkts-ui-widget-update-by-status.md
+++ b/zh-cn/application-dev/application-models/arkts-ui-widget-update-by-status.md
@@ -96,56 +96,62 @@
   import formBindingData from '@ohos.app.form.formBindingData';
   import FormExtensionAbility from '@ohos.app.form.FormExtensionAbility';
   import dataPreferences from '@ohos.data.preferences';
+  import Want from '@ohos.app.ability.Want';
+  import Base from '@ohos.base';
   
   export default class EntryFormAbility extends FormExtensionAbility {
-    onAddForm(want) {
-      let formId = want.parameters[formInfo.FormParam.IDENTITY_KEY];
-      let isTempCard: boolean = want.parameters[formInfo.FormParam.TEMPORARY_KEY];
-      if (isTempCard === false) { // 如果为常态卡片，直接进行信息持久化
-        console.info('Not temp card, init db for:' + formId);
-        let promise = dataPreferences.getPreferences(this.context, 'myStore');
-        promise.then(async (storeDB) => {
-          console.info("Succeeded to get preferences.");
-          await storeDB.put('A' + formId, 'false');
-          await storeDB.put('B' + formId, 'false');
-          await storeDB.flush();
-        }).catch((err) => {
-          console.info(`Failed to get preferences. ${JSON.stringify(err)}`);
-        })
+    onAddForm(want: Want) {
+      let formId: string = '';
+      let isTempCard: boolean;
+      if (want.parameters) {
+        formId = JSON.stringify(want.parameters[formInfo.FormParam.IDENTITY_KEY]);
+        isTempCard = want.parameters[formInfo.FormParam.TEMPORARY_KEY] as boolean;
+        if (isTempCard === false) { // 如果为常态卡片，直接进行信息持久化
+          console.info('Not temp card, init db for:' + formId);
+          let promise: Promise<dataPreferences.Preferences> = dataPreferences.getPreferences(this.context, 'myStore');
+          promise.then(async (storeDB: dataPreferences.Preferences) => {
+            console.info("Succeeded to get preferences.");
+            await storeDB.put('A' + formId, 'false');
+            await storeDB.put('B' + formId, 'false');
+            await storeDB.flush();
+          }).catch((err: Base.BusinessError) => {
+            console.info(`Failed to get preferences. ${JSON.stringify(err)}`);
+          })
+        }
       }
-      let formData = {};
+      let formData: Record<string, Object | string> = {};
       return formBindingData.createFormBindingData(formData);
     }
-  
-    onRemoveForm(formId) {
+
+    onRemoveForm(formId: string) {
       console.info('onRemoveForm, formId:' + formId);
       let promise = dataPreferences.getPreferences(this.context, 'myStore');
       promise.then(async (storeDB) => {
         console.info("Succeeded to get preferences.");
         await storeDB.delete('A' + formId);
         await storeDB.delete('B' + formId);
-      }).catch((err) => {
+      }).catch((err: Base.BusinessError) => {
         console.info(`Failed to get preferences. ${JSON.stringify(err)}`);
       })
     }
-  
+
     // 如果在添加时为临时卡片，则建议转为常态卡片时进行信息持久化
-    onCastToNormalForm(formId) {
+    onCastToNormalForm(formId: string) {
       console.info('onCastToNormalForm, formId:' + formId);
-      let promise = dataPreferences.getPreferences(this.context, 'myStore');
-      promise.then(async (storeDB) => {
+      let promise: Promise<dataPreferences.Preferences> = dataPreferences.getPreferences(this.context, 'myStore');
+      promise.then(async (storeDB: dataPreferences.Preferences) => {
         console.info("Succeeded to get preferences.");
         await storeDB.put('A' + formId, 'false');
         await storeDB.put('B' + formId, 'false');
         await storeDB.flush();
-      }).catch((err) => {
+      }).catch((err: Base.BusinessError) => {
         console.info(`Failed to get preferences. ${JSON.stringify(err)}`);
       })
     }
-  
-    onUpdateForm(formId) {
-      let promise = dataPreferences.getPreferences(this.context, 'myStore');
-      promise.then(async (storeDB) => {
+
+    onUpdateForm(formId: string) {
+      let promise: Promise<dataPreferences.Preferences> = dataPreferences.getPreferences(this.context, 'myStore');
+      promise.then(async (storeDB: dataPreferences.Preferences) => {
         console.info("Succeeded to get preferences.");
         let stateA = await storeDB.get('A' + formId, 'false');
         let stateB = await storeDB.get('B' + formId, 'false');
@@ -160,18 +166,18 @@
           await formProvider.updateForm(formId, formInfo);
         }
         console.info(`Update form success stateA:${stateA} stateB:${stateB}.`);
-      }).catch((err) => {
+      }).catch((err: Base.BusinessError) => {
         console.info(`Failed to get preferences. ${JSON.stringify(err)}`);
       })
     }
-  
-    onFormEvent(formId, message) {
+
+    onFormEvent(formId: string, message: string) {
       // 存放卡片状态
       console.info('onFormEvent formId:' + formId + 'msg:' + message);
-      let promise = dataPreferences.getPreferences(this.context, 'myStore');
-      promise.then(async (storeDB) => {
+      let promise: Promise<dataPreferences.Preferences> = dataPreferences.getPreferences(this.context, 'myStore');
+      promise.then(async (storeDB: dataPreferences.Preferences) => {
         console.info("Succeeded to get preferences.");
-        let msg = JSON.parse(message);
+        let msg: Record<string, string> = JSON.parse(message);
         if (msg.selectA != undefined) {
           console.info('onFormEvent selectA info:' + msg.selectA);
           await storeDB.put('A' + formId, msg.selectA);
@@ -181,7 +187,7 @@
           await storeDB.put('B' + formId, msg.selectB);
         }
         await storeDB.flush();
-      }).catch((err) => {
+      }).catch((err: Base.BusinessError) => {
         console.info(`Failed to get preferences. ${JSON.stringify(err)}`);
       })
     }
diff --git a/zh-cn/application-dev/application-models/arkts-ui-widget-update-by-time.md b/zh-cn/application-dev/application-models/arkts-ui-widget-update-by-time.md
index 853cf48b68af6c9ec58b6110f6e5960c6d9955a3..77981c02fbc07ff5c52e8b888581ba9f0c2a28a3 100644
--- a/zh-cn/application-dev/application-models/arkts-ui-widget-update-by-time.md
+++ b/zh-cn/application-dev/application-models/arkts-ui-widget-update-by-time.md
@@ -69,11 +69,12 @@
 
   ```ts
   import formProvider from '@ohos.app.form.formProvider';
+  import Base from '@ohos.base';
 
-  let formId = '123456789'; // 实际业务场景需要使用正确的formId
+  let formId: string = '123456789'; // 实际业务场景需要使用正确的formId
   try {
     // 设置过5分钟后更新卡片内容
-    formProvider.setFormNextRefreshTime(formId, 5, (err, data) => {
+    formProvider.setFormNextRefreshTime(formId, 5, (err: Base.BusinessError) => {
       if (err) {
         console.error(`Failed to setFormNextRefreshTime. Code: ${err.code}, message: ${err.message}`);
         return;
@@ -82,7 +83,7 @@
       }
     });
   } catch (err) {
-    console.error(`Failed to setFormNextRefreshTime. Code: ${err.code}, message: ${err.message}`);
+    console.error(`Failed to setFormNextRefreshTime. Code: ${(err as Base.BusinessError).code}, message: ${(err as Base.BusinessError).message}`);
   }
   ```
 
diff --git a/zh-cn/application-dev/application-models/common-event-publish.md b/zh-cn/application-dev/application-models/common-event-publish.md
index 57007759a77fdab403d3c16fe60fef53487440f5..5b8c8abacd10496a2ced1b487c74cdb439c081d0 100644
--- a/zh-cn/application-dev/application-models/common-event-publish.md
+++ b/zh-cn/application-dev/application-models/common-event-publish.md
@@ -27,19 +27,20 @@
    
    ```ts
    import commonEventManager from '@ohos.commonEventManager';
+   import Base from '@ohos.base';
    ```
 
 2. 传入需要发布的事件名称和回调函数，发布事件。
    
    ```ts
    // 发布公共事件
-   commonEventManager.publish("usual.event.SCREEN_OFF", (err) => {
+   commonEventManager.publish("usual.event.SCREEN_OFF", (err: Base.BusinessError) => {
        if (err) {
            console.error(`[CommonEvent] PublishCallBack err=${JSON.stringify(err)}`);
        } else {
            console.info(`[CommonEvent] Publish success`);
        }
-   })
+   });
    ```
 
 
@@ -51,13 +52,14 @@
    
    ```ts
    import commonEventManager from '@ohos.commonEventManager';
+   import Base from '@ohos.base';
    ```
 
 2. 传入需要发布的事件名称和回调函数，发布事件。
    
    ```ts
    // 公共事件相关信息
-   let options = {
+   let options: commonEventManager.CommonEventPublishData = {
        code: 1, // 公共事件的初始代码
        data: "initial data", // 公共事件的初始数据
    }
@@ -67,11 +69,11 @@
    
    ```ts
    // 发布公共事件
-   commonEventManager.publish("usual.event.SCREEN_OFF", options, (err) => {
+   commonEventManager.publish("usual.event.SCREEN_OFF", options, (err: Base.BusinessError) => {
        if (err) {
            console.error('[CommonEvent] PublishCallBack err=' + JSON.stringify(err));
        } else {
            console.info('[CommonEvent] Publish success')
        }
-   })
+   });
    ```
diff --git a/zh-cn/application-dev/application-models/common-event-remove-sticky.md b/zh-cn/application-dev/application-models/common-event-remove-sticky.md
index ac4cff82939ccc847ad935ba9448aee617a5b861..0163d7485ce2bac74980fb542e40f5ca9bcb4453 100644
--- a/zh-cn/application-dev/application-models/common-event-remove-sticky.md
+++ b/zh-cn/application-dev/application-models/common-event-remove-sticky.md
@@ -22,6 +22,7 @@
 
    ```ts
    import commonEventManager from '@ohos.commonEventManager';
+   import Base from '@ohos.base';
    ```
 
 3. 调用[`removeStickyCommonEvent()`](../reference/apis/js-apis-commonEventManager.md#commoneventmanagerremovestickycommonevent10)方法移除对应的粘性公共事件。
@@ -31,7 +32,7 @@
    > 移除的粘性公共事件，必须是本应用之前已发布的粘性公共事件，发布粘性公共事件参考[公共事件发布](common-event-publish.md)章节。
 
    ```ts
-   commonEventManager.removeStickyCommonEvent("sticky_event", (err) => { // sticky_event粘性公共事件名
+   commonEventManager.removeStickyCommonEvent("sticky_event", (err: Base.BusinessError) => { // sticky_event粘性公共事件名
      if (err) {
        console.error(`Failed to remove sticky common event. Code is ${err.code}, message is ${err.message}`);
        return;
diff --git a/zh-cn/application-dev/application-models/common-event-static-subscription.md b/zh-cn/application-dev/application-models/common-event-static-subscription.md
index 8d850a19c6cb868e161a51c0ac99282b8dd5ca7c..c3f3e3a4a0427e9509e1961095d59e86db6aca6b 100644
--- a/zh-cn/application-dev/application-models/common-event-static-subscription.md
+++ b/zh-cn/application-dev/application-models/common-event-static-subscription.md
@@ -21,10 +21,11 @@
    开发者可以在[`onReceiveEvent()`](../reference/apis/js-apis-application-staticSubscriberExtensionAbility.md#staticsubscriberextensionabilityonreceiveevent)回调中实现业务逻辑。
 
    ```ts
-   import StaticSubscriberExtensionAbility from '@ohos.application.StaticSubscriberExtensionAbility'
+   import StaticSubscriberExtensionAbility from '@ohos.application.StaticSubscriberExtensionAbility';
+   import commonEventManager from '@ohos.commonEventManager';
    
    export default class StaticSubscriber extends StaticSubscriberExtensionAbility {
-     onReceiveEvent(event) {
+     onReceiveEvent(event: commonEventManager.CommonEventData) {
        console.info('onReceiveEvent, event: ' + event.event);
      }
    }
diff --git a/zh-cn/application-dev/application-models/common-event-subscription.md b/zh-cn/application-dev/application-models/common-event-subscription.md
index 612cd51e55c02f36086339890564f939ce552f16..9a609c4e1b5663fa150b5f7bc72954df36d5d381 100644
--- a/zh-cn/application-dev/application-models/common-event-subscription.md
+++ b/zh-cn/application-dev/application-models/common-event-subscription.md
@@ -23,15 +23,16 @@
    
    ```ts
    import commonEventManager from '@ohos.commonEventManager';
+   import Base from '@ohos.base';
    ```
 
 2. 创建订阅者信息，详细的订阅者信息数据类型及包含的参数请见[CommonEventSubscribeInfo](../reference/apis/js-apis-commonEventManager.md#commoneventsubscribeinfo)文档介绍。
    
    ```ts
    // 用于保存创建成功的订阅者对象，后续使用其完成订阅及退订的动作
-   let subscriber = null;
+   let subscriber: commonEventManager.CommonEventSubscriber | null = null;
    // 订阅者信息
-   let subscribeInfo = {
+   let subscribeInfo: commonEventManager.CommonEventSubscribeInfo = {
      events: ["usual.event.SCREEN_OFF"], // 订阅灭屏公共事件
    }
    ```
@@ -40,7 +41,7 @@
    
    ```ts
    // 创建订阅者回调
-   commonEventManager.createSubscriber(subscribeInfo, (err, data) => {
+   commonEventManager.createSubscriber(subscribeInfo, (err: Base.BusinessError, data: commonEventManager.CommonEventSubscriber) => {
      if (err) {
        console.error(`Failed to create subscriber. Code is ${err.code}, message is ${err.message}`);
        return;
@@ -56,7 +57,7 @@
    ```ts
    // 订阅公共事件回调
    if (subscriber !== null) {
-     commonEventManager.subscribe(subscriber, (err, data) => {
+     commonEventManager.subscribe(subscriber, (err: Base.BusinessError, data: commonEventManager.CommonEventData) => {
        if (err) {
          console.error(`Failed to subscribe common event. Code is ${err.code}, message is ${err.message}`);
          return;
diff --git a/zh-cn/application-dev/application-models/common-event-unsubscription.md b/zh-cn/application-dev/application-models/common-event-unsubscription.md
index fea148863efaf2155981c17600eacc8524b8e313..394470e592b9f1a5c72e92be35af3f7c11ae77be 100644
--- a/zh-cn/application-dev/application-models/common-event-unsubscription.md
+++ b/zh-cn/application-dev/application-models/common-event-unsubscription.md
@@ -19,6 +19,7 @@
    
    ```ts
    import commonEventManager from '@ohos.commonEventManager';
+   import Base from '@ohos.base';
    ```
 
 2. 根据[动态订阅公共事件](common-event-subscription.md)章节的步骤来订阅某个事件。
@@ -28,7 +29,7 @@
    ```ts
    // subscriber为订阅事件时创建的订阅者对象
    if (subscriber !== null) {
-       commonEventManager.unsubscribe(subscriber, (err) => {
+       commonEventManager.unsubscribe(subscriber, (err: Base.BusinessError) => {
            if (err) {
                console.error(`[CommonEvent] UnsubscribeCallBack err=${JSON.stringify(err)}`);
            } else {
diff --git a/zh-cn/application-dev/application-models/figures/hop-cross-device-migration.png b/zh-cn/application-dev/application-models/figures/hop-cross-device-migration.png
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diff --git a/zh-cn/application-dev/application-models/hop-cross-device-migration.md b/zh-cn/application-dev/application-models/hop-cross-device-migration.md
index dabca884bdec8de6584efd27acf9629f1f0c658a..e165e21508a8759056e98f1d73319255cdb5012e 100644
--- a/zh-cn/application-dev/application-models/hop-cross-device-migration.md
+++ b/zh-cn/application-dev/application-models/hop-cross-device-migration.md
@@ -1,61 +1,52 @@
 # 跨端迁移
 
-## 功能描述
+## 概述
 
-跨端迁移的主要工作是实现将应用当前任务（包括页面控件状态变量等）迁移到目标设备，能在目标设备上接续。主要功能包括：
+在用户使用设备的过程中，当使用情境发生变化时（例如从室内走到户外或者周围有更适合的设备等），之前使用的设备可能已经不适合继续当前的任务，此时，用户可以选择新的设备来继续当前的任务，原设备可按需决定是否退出任务，这个就是跨端迁移的场景。常见的跨端迁移场景实例：在平板上播放的视频，迁移到智慧屏继续播放，从而获得更佳的观看体验；平板上的视频应用退出。在应用开发层面，跨端迁移指在A端运行的UIAbility迁移到B端上，完成迁移后，B端UIAbility继续任务，而A端UIAbility可按需决定是否退出。
 
-- 支持用户自定义数据存储及恢复。
-- 支持页面路由信息和页面控件状态数据的存储及恢复。
-- 支持应用兼容性检测。
-- 支持应用根据实际使用场景动态设置迁移状态（默认迁移状态为 **ACTIVE** 激活状态）。如编辑类应用在编辑文本的页面下才需要迁移，其他页面不需要迁移，则可以通过[setMissionContinueState](../reference/apis/js-apis-inner-application-uiAbilityContext.md#uiabilitycontextsetmissioncontinuestate10)进行控制。
-- 支持应用动态选择是否进行页面栈恢复（默认进行页面栈信息恢复）。如应用希望自定义迁移到其他设备后显示的页面，则可以通过[SUPPORT_CONTINUE_PAGE_STACK_KEY](../reference/apis/js-apis-app-ability-wantConstant.md#wantconstantparams)进行控制。
-- 支持应用动态选择迁移成功后是否退出迁移发起端应用（默认迁移成功后退出迁移发起端应用）。则可以通过[SUPPORT_CONTINUE_SOURCE_EXIT_KEY](../reference/apis/js-apis-app-ability-wantConstant.md#wantconstantparams)进行控制。
+跨端迁移的核心任务是将应用的当前状态（包括页面控件、状态变量等）无缝迁移到另一设备，从而在新设备上无缝接续应用体验。这意味着用户在一台设备上进行的操作可以在另一台设备的相同应用中快速切换并无缝衔接。
 
+主要功能包括：
 
-## 跨端迁移流程
-
-跨端迁移流程如下图所示。
-
-**图1** 跨端迁移流程图
-![hop-cross-device-migration](figures/hop-cross-device-migration.png)
+- 支持用户自定义数据存储及恢复。
 
+- 支持页面路由信息和页面控件状态数据的存储及恢复。
 
-## 约束限制
+- 支持应用兼容性检测。
 
-- 应用迁移的发起依赖系统应用控制，系统应用开发者可以参考[验证指导中的demo示例](#验证指导)实现相关的控制能力。
-- 跨端迁移要求在同UIAbility之间进行，也就是需要相同的bundleName、abilityName和签名。
-- 为了获得最佳体验，使用wantParam传输的数据建议在100KB以下。
+- 支持应用根据实际使用场景动态设置迁移状态（默认迁移状态为 **ACTIVE** 激活状态）。例如，编辑类应用在编辑文本的页面下才需要迁移，其他页面不需要迁移，则可以通过[`setMissionContinueState`](../reference/apis/js-apis-inner-application-uiAbilityContext.md#uiabilitycontextsetmissioncontinuestate10)进行控制。
 
+- 支持应用动态选择是否进行页面栈恢复（默认进行页面栈信息恢复）。例如，应用希望自定义迁移到其他设备后显示的页面，则可以通过[`SUPPORT_CONTINUE_PAGE_STACK_KEY`](../reference/apis/js-apis-app-ability-wantConstant.md#wantconstantparams)进行控制。
 
-## 接口说明
+- 支持应用动态选择迁移成功后是否退出迁移源端应用（默认迁移成功后退出迁移源端应用）。可以通过[`SUPPORT_CONTINUE_SOURCE_EXIT_KEY`](../reference/apis/js-apis-app-ability-wantConstant.md#wantconstantparams)进行控制。
 
-跨端迁移主要接口如下。详细接口介绍请参见[API参考](../reference/apis/js-apis-app-ability-uiAbility.md)。
+  > **说明：**
+  >
+  > 开发者可以开发具有迁移能力的应用，迁移的触发由系统应用完成。
 
-  **表1** 跨端迁移接口
 
-| **接口名** | **描述** |
-| -------- | -------- |
-| onContinue(wantParam&nbsp;:&nbsp;{[key:&nbsp;string]:&nbsp;Object}):&nbsp;OnContinueResult | 迁移发起端在该回调中保存迁移所需要的数据，同时返回是否同意迁移：<br/>-&nbsp;AGREE：表示同意。<br/>-&nbsp;REJECT：表示拒绝：如应用在onContinue中异常会导致钱以后数据恢复时显示异常，则可以建议REJECT。<br/>-&nbsp;MISMATCH：表示版本不匹配：迁移发起端应用可以在onContinue中获取到迁移目标端应用的版本号，进行协商后，如果版本不匹配导致无法迁移，可以返回该错误。 |
-| onCreate(want:&nbsp;Want,&nbsp;launchParam:&nbsp;AbilityConstant.LaunchParam):&nbsp;void; | 应用迁移目标端为冷启动或多实例应用热启动时，在该回调中完成数据恢复，并触发页面恢复。详见[应用组件启动模式](uiability-launch-type.md) |
-| onNewWant(want:&nbsp;Want,&nbsp;launchParam:&nbsp;AbilityConstant.LaunchParam):&nbsp;void; | 迁移目标端为单实例应用热启动时，在该回调中完成数据恢复，并触发页面恢复。详见[应用组件启动模式](uiability-launch-type.md) |
+## 运作机制
 
+![hop-cross-device-migration](figures/hop-cross-device-migration.png)
 
+1. 在源端，通过`UIAbility`的[`onContinue()`](../reference/apis/js-apis-app-ability-uiAbility.md#abilityoncontinue)回调，开发者可以保存待接续的业务数据。例如，在浏览器应用中完成跨端迁移，开发者需要使用[`onContinue()`](../reference/apis/js-apis-app-ability-uiAbility.md#abilityoncontinue)回调保存页面URL等业务内容，而系统将自动保存页面状态，如当前浏览进度。
+2. 分布式框架提供了跨设备应用界面、页面栈以及业务数据的保存和恢复机制，它负责将数据从源端发送到对端。 
+3. 在对端，同一`UIAbility`可以通过[`onCreate()`](../reference/apis/js-apis-app-ability-uiAbility.md#uiabilityoncreate)/[`onNewWant()`](../reference/apis/js-apis-app-ability-uiAbility.md#abilityonnewwant)接口来恢复业务数据。
 
-## 开发步骤
 
-1.需要申请`ohos.permission.DISTRIBUTED_DATASYNC`权限
-
-配置方式请参见[配置文件权限声明](../security/accesstoken-guidelines.md#配置文件权限声明)。
+## 约束限制
 
-2.同时需要在应用首次启动时弹窗向用户申请授权
+- 跨端迁移要求在同一`UIAbility`之间进行，也就是需要相同的`bundleName`、`abilityName`和签名信息。
+- 为了获得最佳体验，使用`wantParam`传输的数据需要控制在100KB以下。
+- 当前部分ArkUI组件支持迁移后，将特定状态恢复到对端设备。详情请见[分布式迁移标识](https://gitee.com/openharmony/docs/blob/master/zh-cn/application-dev/reference/arkui-ts/ts-universal-attributes-restoreId.md)
 
-使用方式请参见[向用户申请授权](../security/accesstoken-guidelines.md#向用户申请授权)。
+## 开发步骤
 
-3.在配置文件中配置跨端迁移相关标签字段。
+1. 需要申请`ohos.permission.DISTRIBUTED_DATASYNC`权限，配置方式请参见[配置文件权限声明](../security/accesstoken-guidelines.md#配置文件权限声明)。
 
-配置应用支持迁移
-在module.json5中配置continuable标签：true表示支持迁移，false表示不支持，默认为false。配置为false的UIAbility将被系统识别为无法迁移。
+2. 同时需要在应用首次启动时弹窗向用户申请授权，使用方式请参见[向用户申请授权](../security/accesstoken-guidelines.md#向用户申请授权)。
 
+3. 在[module.json5配置文件](../quick-start/module-configuration-file.md)的abilities标签中配置跨端迁移标签`continuable`。
 
    ```json
    {
@@ -64,92 +55,82 @@
        "abilities": [
          {
            // ...
-           "continuable": true,
+           "continuable": true, // 配置UIAbility支持迁移
          }
        ]
      }
    }
    ```
 
-   根据需要配置应用启动模式类型，配置详情请参照[UIAbility组件启动模式](uiability-launch-type.md)。
-
-4.在发起端UIAbility中实现[onContinue](../reference/apis/js-apis-app-ability-uiAbility.md#abilityoncontinue)接口。
-
-当应用触发迁移时，[onContinue](../reference/apis/js-apis-app-ability-uiAbility.md#abilityoncontinue)接口在发起端被调用，开发者可以在该接口中保存迁移数据，实现应用兼容性检测，决定是否支持此次迁移。
-
-- 保存迁移数据：开发者可以将要迁移的数据通过键值对的方式保存在wantParam中。
-
-- 应用兼容性检测：开发者可以通过从wantParam中获取目标应用的版本号与本应用版本号做兼容性校验。开发者可以在触发迁移时从`onContinue`接口中`wantParam.version`获取到迁移目标端应用的版本号与迁移发起端应用版本号做兼容校验。
-
-- 迁移决策：开发者可以通过onContinue接口的返回值决定是否支持此次迁移，返回值信息见[接口说明](#接口说明)。
-
-  示例如下：
-
-  ```ts
-  import UIAbility from '@ohos.app.ability.UIAbility';
-  import AbilityConstant from '@ohos.app.ability.AbilityConstant';
-
-  export default class EntryAbility extends UIAbility {
-    onContinue(wantParam: Record<string, Object>) {
-      console.info(`onContinue version = ${wantParam.version}, targetDevice: ${wantParam.targetDevice}`) // 准备迁移数据
-      let continueInput = '迁移的数据';
-      if (continueInput) {
-        // 将要迁移的数据保存在wantParam的自定义字段（如：data）中;
-        wantParam["data"] = continueInput;
-      }
-      console.info(`onContinue input = ${wantParam["data"]}`);
-      return AbilityConstant.OnContinueResult.AGREE;
-    }
-  }
-  ```
-
-5.在Stage模型中，应用在不同启动模式下将调用不同的接口，以恢复数据、加载界面。
-
-不同情况下的函数调用如下图所示：
-
-![hop-cross-device-migration](figures/hop-cross-device-migration1.png)
+   > **说明：**
+   >
+   > 根据需要配置应用启动模式类型，配置详情请参照[UIAbility组件启动模式](uiability-launch-type.md)。
+
+4. 在源端`UIAbility`中实现[`onContinue()`](../reference/apis/js-apis-app-ability-uiAbility.md#abilityoncontinue)回调。
+
+   当`UIAbility`实例触发迁移时，[`onContinue()`](../reference/apis/js-apis-app-ability-uiAbility.md#abilityoncontinue)回调在源端被调用，开发者可以在该接口中保存迁移数据，实现应用兼容性检测，决定是否支持此次迁移。
+
+   - 保存迁移数据：开发者可以将要迁移的数据通过键值对的方式保存在`wantParam`参数中。
+   - 应用兼容性检测：开发者可以通过从`wantParam`参数中获取对端应用的版本号与[源端应用版本号](https://gitee.com/openharmony/docs/blob/master/zh-cn/application-dev/faqs/faqs-bundle-management.md)做兼容性校验。开发者可以在触发迁移时从[`onContinue()`](../reference/apis/js-apis-app-ability-uiAbility.md#abilityoncontinue)回调中`wantParam.version`获取到迁移对端应用的版本号与迁移源端应用版本号做兼容校验。
+   - 迁移决策：开发者可以通过[`onContinue()`](../reference/apis/js-apis-app-ability-uiAbility.md#abilityoncontinue)回调的返回值决定是否支持此次迁移。
+
+   ```ts
+   import UIAbility from '@ohos.app.ability.UIAbility';
+   import AbilityConstant from '@ohos.app.ability.AbilityConstant';
+   
+   export default class EntryAbility extends UIAbility {
+     onContinue(wantParam: Record<string, Object>):AbilityConstant.OnContinueResult {
+       let version = wantParam.version;
+       let targetDevice = wantParam.targetDevice;
+       console.info(`onContinue version = ${version}, targetDevice: ${targetDevice}`); // 准备迁移数据
+   
+       // 获取源端版本号
+       let versionSrc: number = -1; // 请填充具体获取版本号的代码
+   
+       // 兼容性校验
+       if (version !== versionSrc) {
+         // 在兼容性校验不通过时返回MISMATCH
+         return AbilityConstant.OnContinueResult.MISMATCH;
+       }
+   
+       // 将要迁移的数据保存在wantParam的自定义字段（例如data）中
+       const continueInput = '迁移的数据';
+       wantParam['data'] = continueInput;
+   
+       return AbilityConstant.OnContinueResult.AGREE;
+     }
+   }
+   ```
 
-在目标端设备UIAbility中实现onCreate与onNewWant接口，恢复迁移数据。
-
-- onCreate实现示例
-   - 目标端设备上，在onCreate中根据launchReason判断该次启动是否为迁移LaunchReason.CONTINUATION。
-   - 开发者可以从want中获取保存的迁移数据。
-   - 完成数据恢复后，开发者需要调用restoreWindowStage来触发页面恢复：包括页面栈信息。
-     
-      ```ts
-      import UIAbility from '@ohos.app.ability.UIAbility';
-      import AbilityConstant from '@ohos.app.ability.AbilityConstant';
-      import Want from '@ohos.app.ability.Want';
-
-      export default class EntryAbility extends UIAbility {
-        storage : LocalStorage = new LocalStorage();
-        onCreate(want: Want, launchParam: AbilityConstant.LaunchParam): void {
-          console.info(`EntryAbility onCreate ${AbilityConstant.LaunchReason.CONTINUATION}`)
-          if (launchParam.launchReason == AbilityConstant.LaunchReason.CONTINUATION) {
-            // 将上述的保存的数据取出恢复
-            let continueInput = '';
-            if (want.parameters != undefined) {
-              continueInput = JSON.stringify(want.parameters.data);
-              console.info(`continue input ${continueInput}`)
-            }
-            // 将数据显示当前页面
-            this.context.restoreWindowStage(this.storage);
-          }
-        }
-      }
-      ```
-- 如果是单实例应用，需要额外实现onNewWant接口，实现方式与onCreate的实现相同。
-   - 在onNewWant中判断迁移场景，恢复数据，并触发页面恢复
-
-    ```ts  
-    import UIAbility from '@ohos.app.ability.UIAbility';
-    import AbilityConstant from '@ohos.app.ability.AbilityConstant';
-    import Want from '@ohos.app.ability.Want';
-
-    export default class EntryAbility extends UIAbility {
-      storage : LocalStorage = new LocalStorage();
-      onNewWant(want: Want, launchParam: AbilityConstant.LaunchParam): void {
-        console.info(`EntryAbility onNewWant ${AbilityConstant.LaunchReason.CONTINUATION}`)
+5. 源端设备`UIAbility`实例在冷启动和热启动情况下分别会调用不同的接口来恢复数据和加载UI。  
+   在对端设备的`UIAbility`中，需要实现[`onCreate()`](../reference/apis/js-apis-app-ability-uiAbility.md#uiabilityoncreate)/[`onNewWant()`](../reference/apis/js-apis-app-ability-uiAbility.md#abilityonnewwant)接口来恢复迁移数据。
+
+   通过在[`onCreate()`](../reference/apis/js-apis-app-ability-uiAbility.md#uiabilityoncreate)/[`onNewWant()`](../reference/apis/js-apis-app-ability-uiAbility.md#abilityonnewwant)回调中检查`launchReason`，可以判断此次启动是否有迁移触发。开发者可以从`want`中获取之前保存的迁移数据，并在数据恢复后调用`restoreWindowStage()`来触发页面恢复，包括页面栈信息。
+
+   ```ts
+   import UIAbility from '@ohos.app.ability.UIAbility';
+   import AbilityConstant from '@ohos.app.ability.AbilityConstant';
+   import Want from '@ohos.app.ability.Want';
+   
+   export default class EntryAbility extends UIAbility {
+     storage : LocalStorage = new LocalStorage();
+   
+     onCreate(want: Want, launchParam: AbilityConstant.LaunchParam): void {
+       console.info('EntryAbility onCreate')
+       if (launchParam.launchReason == AbilityConstant.LaunchReason.CONTINUATION) {
+         // 将上述的保存的数据取出恢复
+         let continueInput = '';
+         if (want.parameters != undefined) {
+           continueInput = JSON.stringify(want.parameters.data);
+           console.info(`continue input ${continueInput}`)
+         }
+         // 将数据显示当前页面
+         this.context.restoreWindowStage(this.storage);
+       }
+     }
+   
+     onNewWant(want: Want, launchParam: AbilityConstant.LaunchParam): void {
+        console.info('EntryAbility onNewWant')
         if (launchParam.launchReason == AbilityConstant.LaunchReason.CONTINUATION) {
           // get user data from want params
           let continueInput = '';
@@ -160,33 +141,29 @@
           this.context.restoreWindowStage(this.storage);
         }
       }
-    }
-    ```
-
-
+   }
+   ```
 
-## 迁移功能可选配置
+## 可选配置迁移能力
 
-### 1.动态配置迁移能力
+### 动态配置迁移能力
 
-从API 10 起，提供了支持动态配置迁移能力的功能。即应用可以根据实际使用场景，在需要迁移功能时，设置开启应用迁移能力；在业务不需要迁移时，则可以关闭迁移能力。开发者可以通过调用[setMissionContinueState](../reference/apis/js-apis-inner-application-uiAbilityContext.md#uiabilitycontextsetmissioncontinuestate10)接口对迁移能力进行设置。默认状态下，可迁移应用的迁移能力为**ACTIVE**状态，即迁移能力开启，可以迁移。
+从API version 10开始，提供了支持动态配置迁移能力的功能。即应用可以根据实际使用场景，在需要迁移时开启应用迁移能力；在业务不需要迁移时则可以关闭迁移能力。
 
-| 接口状态值                             | 含义                   |
-| :------------------------------------- | ---------------------- |
-| AbilityConstant.ContinueState.ACTIVE   | 应用当前可迁移能力开启 |
-| AbilityConstant.ContinueState.INACTIVE | 应用当前可迁移能力关闭 |
+开发者可以通过调用[`setMissionContinueState()`](../reference/apis/js-apis-inner-application-uiAbilityContext.md#uiabilitycontextsetmissioncontinuestate10)接口对迁移能力进行设置。默认状态下，应用的迁移能力为**ACTIVE**状态，即迁移能力开启，可以迁移。
 
 **设置迁移能力的时机**
 
 迁移能力的改变可以根据实际业务需求和代码实现，发生在应用生命周期的绝大多数时机。本文介绍常用的几种配置方式。
 
-在ability的onCreate函数中调用接口，可以在应用创建时设置应用的迁移状态。
+在`UIAbility`的[`onCreate()`](../reference/apis/js-apis-app-ability-uiAbility.md#uiabilityoncreate)回调中调用接口，可以在应用创建时设置应用的迁移状态。
 
 ```ts
 // EntryAbility.ets
 import UIAbility from '@ohos.app.ability.UIAbility';
 import AbilityConstant from '@ohos.app.ability.AbilityConstant';
 import Want from '@ohos.app.ability.Want';
+
 export default class EntryAbility extends UIAbility {
   onCreate(want: Want, launchParam: AbilityConstant.LaunchParam): void {
     // ...
@@ -198,12 +175,12 @@ export default class EntryAbility extends UIAbility {
 }
 ```
 
-在页面的onPageShow函数中调用接口，可以设置单个页面出现时应用的迁移状态。
+在页面的`onPageShow()`回调中调用接口，可以设置单个页面出现时应用的迁移状态。
 
 ```ts
 // PageName.ets
 import AbilityConstant from '@ohos.app.ability.AbilityConstant';
-import common from '@ohos.app.ability.common'
+import common from '@ohos.app.ability.common';
 @Entry
 @Component
 struct PageName {
@@ -215,18 +192,19 @@ struct PageName {
   onPageShow(){
   // 进入该页面时，将应用设置为可迁移状态
     this.context.setMissionContinueState(AbilityConstant.ContinueState.ACTIVE, (result) => {
-      console.info('setMissionContinueState ACTIVE result: ', JSON.stringify(result));
+      console.info(`setMissionContinueState ACTIVE result: ${JSON.stringify(result)}`);
     });
   }
 }
 ```
 
-在某个组件的触发事件中设置应用迁移能力。如下例中，使用 **Button** 组件的 **onClick** 事件，触发迁移能力的改变。
+在某个组件的触发事件中设置应用迁移能力。
 
 ```ts
 // PageName.ets
 import AbilityConstant from '@ohos.app.ability.AbilityConstant';
-import common from '@ohos.app.ability.common'
+import common from '@ohos.app.ability.common';
+
 @Entry
 @Component
 struct PageName {
@@ -234,11 +212,11 @@ struct PageName {
   build() {
     // ...
     Button() {
-      //...
+      // ...
     }.onClick(()=>{
-    //点击该按钮时，将应用设置为可迁移状态
+    // 点击该按钮时，将应用设置为可迁移状态
       this.context.setMissionContinueState(AbilityConstant.ContinueState.ACTIVE, (result) => {
-        console.info('setMissionContinueState ACTIVE result: ', JSON.stringify(result));
+        console.info(`setMissionContinueState ACTIVE result: ${JSON.stringify(result)}`);
       });
     })
   }
@@ -247,28 +225,30 @@ struct PageName {
 
 **保证迁移连续性**
 
-由于迁移加载时，目标端拉起的应用可能执行过自己的迁移状态设置命令（如：冷启动时目标端在onCreate中设置了 **INACTIVE** ；热启动时对端已打开了不可迁移的页面，迁移状态为 **INACTIVE** 等情况）。为了保证迁移过后的应用依然具有可以迁移回发起端的能力，应在 onCreate和onNewWant的迁移调用判断中，将迁移状态设置为 **ACTIVE** 。
+由于迁移加载时，对端拉起的应用可能执行过自己的迁移状态设置命令（例如，冷启动时对端在[`onCreate()`](../reference/apis/js-apis-app-ability-uiAbility.md#uiabilityoncreate)中设置了 **INACTIVE** ；热启动时对端已打开了不可迁移的页面，迁移状态为 **INACTIVE** 等情况）。为了保证迁移过后的应用依然具有可以迁移回源端的能力，应在 [`onCreate()`](../reference/apis/js-apis-app-ability-uiAbility.md#uiabilityoncreate)/[`onNewWant()`](../reference/apis/js-apis-app-ability-uiAbility.md#abilityonnewwant)的迁移调用判断中，将迁移状态设置为 **ACTIVE** 。
 
 ```ts
 // EntryAbility.ets
 import UIAbility from '@ohos.app.ability.UIAbility';
 import AbilityConstant from '@ohos.app.ability.AbilityConstant';
 import Want from '@ohos.app.ability.Want';
+
 export default class EntryAbility extends UIAbility {
   // ...
   onCreate(want: Want, launchParam: AbilityConstant.LaunchParam): void {
     // ...
     // 调用原因为迁移时，设置状态为可迁移，应对冷启动情况
     this.context.setMissionContinueState(AbilityConstant.ContinueState.INACTIVE, (result) => {
-      console.info(`setMissionContinueState: ${JSON.stringify(result)}`);
+        console.info(`setMissionContinueState INACTIVE result: ${JSON.stringify(result)}`);
     });
   }
+  
   onNewWant(want: Want, launchParam: AbilityConstant.LaunchParam): void {
     // ...
     // 调用原因为迁移时，设置状态为可迁移，应对热启动情况
     if (launchParam.launchReason == AbilityConstant.LaunchReason.CONTINUATION) {
       this.context.setMissionContinueState(AbilityConstant.ContinueState.ACTIVE, (result) => {
-        console.info('setMissionContinueState ACTIVE result: ', JSON.stringify(result));
+        console.info(`setMissionContinueState ACTIVE result: ${JSON.stringify(result)}`);
       });
     }
   }
@@ -276,63 +256,62 @@ export default class EntryAbility extends UIAbility {
 }
 ```
 
+### 按需迁移页面栈
 
+支持应用动态选择是否进行页面栈恢复（默认进行页面栈信息恢复）。如果应用不想使用系统默认恢复的页面栈，则可以设置不进行页面栈迁移，而需要在`onWindowStageRestore()`设置迁移后进入的页面，参数定义见[SUPPORT_CONTINUE_PAGE_STACK_KEY](../reference/apis/js-apis-app-ability-wantConstant.md#wantconstantparams)。
 
-### 2.按需迁移页面栈
+应用在源端的页面栈中存在Index和Second路由，而在对端恢复时不需要按照源端页面栈进行恢复，需要恢复到指定页面。
 
-支持应用动态选择是否进行页面栈恢复（默认进行页面栈信息恢复）。如果应用不想使用系统默认恢复的页面栈，则可以设置不进行页面栈迁移，而需要在`onWindowStageRestore`设置迁移后进入的页面，参数定义见[SUPPORT_CONTINUE_PAGE_STACK_KEY](../reference/apis/js-apis-app-ability-wantConstant.md#wantconstantparams)。
+例如，`UIAbility`迁移不需要自动迁移页面栈信息。
 
-应用在发起端的页面栈中存在Index和Second路由，而在目标端恢复时不需要按照发起端页面栈进行恢复，需要恢复到指定页面。
+```ts
+// EntryAbility.ets
+import UIAbility from '@ohos.app.ability.UIAbility';
+import AbilityConstant from '@ohos.app.ability.AbilityConstant';
+import wantConstant from '@ohos.app.ability.wantConstant';
+import window from '@ohos.window';
 
-- 示例：应用迁移不需要自动迁移页面栈信息
+export default class EntryAbility extends UIAbility {
+  // ...
+  
+  onContinue(wantParam: Record<string, Object>) {
+    console.info(`onContinue version = ${wantParam.version}, targetDevice: ${wantParam.targetDevice}`);
+    wantParam[wantConstant.Params.SUPPORT_CONTINUE_PAGE_STACK_KEY] = false;
+    return AbilityConstant.OnContinueResult.AGREE;
+  }
 
-    ```ts
-    // EntryAbility.ets
-    import UIAbility from '@ohos.app.ability.UIAbility';
-    import AbilityConstant from '@ohos.app.ability.AbilityConstant';
-    import wantConstant from '@ohos.app.ability.wantConstant';
-    import window from '@ohos.window';
-    export default class EntryAbility extends UIAbility {
-      // ...
-      onContinue(wantParam: Record<string, Object>) {
-        console.info(`onContinue version = ${wantParam.version}, targetDevice: ${wantParam.targetDevice}`);
-        wantParam[wantConstant.Params.SUPPORT_CONTINUE_PAGE_STACK_KEY] = false;
-        return AbilityConstant.OnContinueResult.AGREE;
+  onWindowStageRestore(windowStage: window.WindowStage) {
+      // 若不需要自动迁移页面栈信息，则需要在此处设置应用迁移后进入的页面
+    windowStage.loadContent('pages/Index', (err, data) => {
+      if (err.code) {
+        return;
       }
-      // ...
-      onWindowStageRestore(windowStage: window.WindowStage) {
-          // 若不需要自动迁移页面栈信息，则需要在此处设置应用迁移后进入的页面
-        windowStage.loadContent('pages/Index', (err, data) => {
-          if (err.code) {
-            console.info('Failed to load the content. Cause: %{public}s', JSON.stringify(err) ?? '');
-            return;
-          }
-          console.info('Succeeded in loading the content. Data: %{public}s', JSON.stringify(data) ?? '');
-        });
-      }
-    }
-    ```
+    });
+  }
+}
+```
 
-### 3.按需退出
+### 按需退出
 
-支持应用动态选择迁移成功后是否退出迁移发起端应用（默认迁移成功后退出迁移发起端应用）。如果应用不想让系统自动退出迁移发起端应用，则可以设置不退出，参数定义见[SUPPORT_CONTINUE_SOURCE_EXIT_KEY](../reference/apis/js-apis-app-ability-wantConstant.md#wantconstantparams)。
+支持应用动态选择迁移成功后是否退出迁移源端应用（默认迁移成功后退出迁移源端应用）。如果应用不想让系统自动退出迁移源端应用，则可以设置不退出，参数定义见[SUPPORT_CONTINUE_SOURCE_EXIT_KEY](../reference/apis/js-apis-app-ability-wantConstant.md#wantconstantparams)。
 
-- 示例：应用迁移设置不需要迁移成功后退出迁移发起端应用
+示例：`UIAbility`设置迁移成功后，源端不需要退出迁移应用。
 
-    ```ts
-    import UIAbility from '@ohos.app.ability.UIAbility';
-    import AbilityConstant from '@ohos.app.ability.AbilityConstant';
-    import wantConstant from '@ohos.app.ability.wantConstant';
-    export default class EntryAbility extends UIAbility {
-      // ...
-      onContinue(wantParam: Record<string, Object>) {
-        console.info(`onContinue version = ${wantParam.version}, targetDevice: ${wantParam.targetDevice}`);
-        wantParam[wantConstant.Params.SUPPORT_CONTINUE_SOURCE_EXIT_KEY] = false;
-        return AbilityConstant.OnContinueResult.AGREE;
-      }
-      // ...
-    }
-    ```
+```ts
+import UIAbility from '@ohos.app.ability.UIAbility';
+import AbilityConstant from '@ohos.app.ability.AbilityConstant';
+import wantConstant from '@ohos.app.ability.wantConstant';
+
+export default class EntryAbility extends UIAbility {
+  // ...
+  
+  onContinue(wantParam: Record<string, Object>) {
+    console.info(`onContinue version = ${wantParam.version}, targetDevice: ${wantParam.targetDevice}`);
+    wantParam[wantConstant.Params.SUPPORT_CONTINUE_SOURCE_EXIT_KEY] = false;
+    return AbilityConstant.OnContinueResult.AGREE;
+  }
+}
+```
 
 ## 验证指导
 
@@ -344,54 +323,42 @@ export default class EntryAbility extends UIAbility {
 
 public-SDK不支持开发者使用所有的系统API，例如：全局任务中心使用的[**@ohos.distributedDeviceManager**](https://gitee.com/openharmony/docs/blob/master/zh-cn/application-dev/reference/apis/js-apis-distributedDeviceManager.md)不包括在public_SDK中。因此为了正确编译安装全局任务中心，开发者需要替换full-SDK，具体操作可参见[替换指南](https://gitee.com/openharmony/docs/blob/master/zh-cn/application-dev/faqs/full-sdk-switch-guide.md)。
 
-**说明**：本文中的截图仅为参考，具体的显示界面请以实际使用的DevEco Studio和SDK的版本为准。
+> **说明**：
+>
+> 本文中的截图仅为参考，具体的显示界面请以实际使用的DevEco Studio和SDK的版本为准。
 
 #### **下载MissionCenter_Demo[示例代码](https://gitee.com/openharmony/ability_dmsfwk/tree/master/services/dtbschedmgr/test/missionCenterDemo/dmsDemo/entry/src/main)**
 
 #### **编译工程文件**
 
-**新建OpenHarmony 空的工程，找到对应的文件夹替换下载文件**
-
-![hop-cross-device-migration](figures/hop-cross-device-migration2.png)
+​	a.新建OpenHarmony 空的工程，找到对应的文件夹替换下载文件  
+![hop-cross-device-migration](figures/hop-cross-device-migration1.png)
 
-**自动签名，编译安装。**
+​	b.自动签名，编译安装。
 
 ​		DevEco的自动签名模板默认签名权限为normal级。而本应用设计到ohos.permission.MANAGE_MISSIONS权限为system_core级别。自动生成的签名无法获得足够的权限，所以需要将权限升级为system_core级别，然后签名。
 
-**系统权限设置**(以api10目录为例): 将Sdk目录下的openharmony\api版本(如：10)\toolchains\lib\UnsgnedReleasedProfileTemplate.json文件中的"apl":"normal_core"改为"apl":"system_core"。
-
-①点击file->Project Structrue
-
-![hop-cross-device-migration](figures/hop-cross-device-migration3.png)
-
-②点击Signing Configs  点击OK
-
-![hop-cross-device-migration](figures/hop-cross-device-migration4.png)
-
-③连接开发板运行生成demo。
-
-### 2.设备组网
-
-①打开A，B两设备的计算器
-
-②点击右上角箭头选择B设备
-
-③在B设备选择信任设备，弹出PIN码
-
-④在A设备输入PIN码
-
-⑤已组网成功，验证方法：在A设备输入数字，B设备同步出现则证明组网成功
-
-### 3.发起迁移
-
-1.在B设备打开多设备协同权限的应用，A设备打开全局任务中心demo，A设备出现A设备名称(即：本机:OpenHarmony 3.2)和B设备名称(OpenHarmony 3.2)。
+​	c.系统权限设置(以api10目录为例): 将Sdk目录下的openharmony\api版本(如：10)\toolchains\lib\UnsgnedReleasedProfileTemplate.json文件中的"apl":"normal_core"改为"apl":"system_core"。
 
-![hop-cross-device-migration](figures/hop-cross-device-migration5.png)
+1. 点击file->Project Structrue。  
+   ![hop-cross-device-migration](figures/hop-cross-device-migration2.png)
+2. 点击Signing Configs  点击OK。  
+   ![hop-cross-device-migration](figures/hop-cross-device-migration3.png)
+3. 连接开发板运行生成demo。
 
-2.点击B设备名称，然后出现B设备的应用。
+### 2. 设备组网
 
-![hop-cross-device-migration](figures/hop-cross-device-migration6.png)
+1. 打开A，B两设备的计算器。
+2. 点击右上角箭头选择B设备。
+3. 在B设备选择信任设备，弹出PIN码。
+4. 在A设备输入PIN码。
+5. 已组网成功，验证方法：在A设备输入数字，B设备同步出现则证明组网成功。
 
-3.最后将应用拖拽到A设备名称处，A设备应用被拉起，B设备应用退出。
+### 3. 发起迁移
 
-![hop-cross-device-migration](figures/hop-cross-device-migration7.png)
+1. 在B设备打开多设备协同权限的应用，A设备打开全局任务中心demo，A设备出现A设备名称(即：本机:OpenHarmony 3.2)和B设备名称(OpenHarmony 3.2)。  
+   ![hop-cross-device-migration](figures/hop-cross-device-migration4.png)
+2. 点击B设备名称，然后出现B设备的应用。  
+   ![hop-cross-device-migration](figures/hop-cross-device-migration5.png)
+3. 最后将应用拖拽到A设备名称处，A设备应用被拉起，B设备应用退出。  
+   ![hop-cross-device-migration](figures/hop-cross-device-migration6.png)
diff --git a/zh-cn/application-dev/application-models/inputmethodextentionability.md b/zh-cn/application-dev/application-models/inputmethodextentionability.md
index 517d12bae8fdbc56a3dbfe405936981c6f43caaf..9d01ef462f77b9708e1f46568ba317639934924a 100644
--- a/zh-cn/application-dev/application-models/inputmethodextentionability.md
+++ b/zh-cn/application-dev/application-models/inputmethodextentionability.md
@@ -61,13 +61,13 @@
    
    export default class InputDemoService extends InputMethodExtensionAbility {
    
-     onCreate(want: Want) {
-       keyboardController.onCreate(this.context);  // 初始化窗口并注册对输入法框架的事件监听
+     onCreate(want: Want): void {
+       keyboardController.onCreate(this.context); // 初始化窗口并注册对输入法框架的事件监听
      }
    
-     onDestroy() {
+     onDestroy(): void {
        console.log("onDestroy.");
-       this.keyboardController.onDestroy();  // 销毁窗口并去注册事件监听
+       keyboardController.onDestroy(); // 销毁窗口并去注册事件监听
      }
    }
    ```
@@ -78,7 +78,7 @@
    import common from '@ohos.app.ability.common';
    import display from '@ohos.display';
    import inputMethodEngine from '@ohos.inputMethodEngine';
-   import InputMethodExtensionContext from '@ohos.inputMethodExtensionContext';
+   import InputMethodExtensionContext from '@ohos.InputMethodExtensionContext';
    
    // 调用输入法框架的getInputMethodAbility方法获取实例，并由此实例调用输入法框架功能接口
    const inputMethodAbility: inputMethodEngine.InputMethodAbility = inputMethodEngine.getInputMethodAbility();
@@ -95,13 +95,13 @@
      public onCreate(context: InputMethodExtensionContext): void
      {
        this.mContext = context;
-       this.initWindow();				// 初始化窗口
-       this.registerListener();		// 注册对输入法框架的事件监听
+       this.initWindow(); // 初始化窗口
+       this.registerListener(); // 注册对输入法框架的事件监听
      }
    
-     public onDestroy(): void			// 应用生命周期销毁
+     public onDestroy(): void // 应用生命周期销毁
      {
-       this.unRegisterListener();		// 去注册事件监听
+       this.unRegisterListener(); // 去注册事件监听
        if(this.panel) { // 销毁窗口
          this.panel.hide();
          inputMethodAbility.destroyPanel(this.panel);
@@ -123,7 +123,7 @@
        }
      }
    
-     private initWindow(): void		// 初始化窗口
+     private initWindow(): void // 初始化窗口
      {
        if(this.mContext === undefined) {
          return;
@@ -150,18 +150,18 @@
    
      private registerListener(): void
      {
-       this.registerInputListener();	// 注册对输入法框架服务的监听
+       this.registerInputListener(); // 注册对输入法框架服务的监听
        ...
        // 注册隐藏键盘事件监听等
      }
    
-     private registerInputListener(): void {		// 注册对输入法框架服务的开启及停止事件监听
+     private registerInputListener(): void { // 注册对输入法框架服务的开启及停止事件监听
        inputMethodAbility.on('inputStart', (kbController, textInputClient) => {
-         this.textInputClient = textInputClient;		// 此为输入法客户端实例，由此调用输入法框架提供给输入法应用的功能接口
-         this.boardController = kbController;
+         this.textInputClient = textInputClient; // 此为输入法客户端实例，由此调用输入法框架提供给输入法应用的功能接口
+         this.keyboardController = kbController;
        })
        inputMethodAbility.on('inputStop', () => {
-         this.onDestroy();	// 销毁KeyboardController
+         this.onDestroy(); // 销毁KeyboardController
        });
      }
    
@@ -232,7 +232,7 @@
    
    @Component
    struct keyItem {
-     private keyValue: sourceListType
+     private keyValue: sourceListType = numberSourceListData[0];
      @State keyBgc: string = "#fff"
      @State keyFontColor: string = "#000"
    
@@ -283,9 +283,9 @@
      build() {
        Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Center, justifyContent: FlexAlign.SpaceEvenly }) {
          Flex({ justifyContent: FlexAlign.SpaceBetween }) {
-           ForEach(this.numberList, (item: sourceListType) => {  // 数字键盘第一行
+           ForEach(this.numberList, (item: sourceListType) => { // 数字键盘第一行
              keyItem({ keyValue: item })
-           }, (item: sourceListType): sourceListType => item.content);
+           }, (item: sourceListType) => item.content);
          }
          .padding({ top: "2%" })
          .width("96%")
diff --git a/zh-cn/application-dev/application-models/start-page.md b/zh-cn/application-dev/application-models/start-page.md
index ca1ce7a7ec6681573a77fb3e24bca499a529e23b..87e721fd6c871824e3b6e2c82df2f5087a37bdc2 100644
--- a/zh-cn/application-dev/application-models/start-page.md
+++ b/zh-cn/application-dev/application-models/start-page.md
@@ -30,7 +30,7 @@ async function restartAbility() {
 在目标端PageAbility的onNewWant回调中获取包含页面信息的want参数：
 
 ```ts
-import Want from '@ohos.app.ability.Want';
+// GlobalContext.ts 构造单例对象
 export class GlobalContext {
   private constructor() {}
   private static instance: GlobalContext;
@@ -51,6 +51,11 @@ export class GlobalContext {
     this._objects.set(key, objectClass);
   }
 }
+```
+
+```ts
+import Want from '@ohos.application.Want';
+import { GlobalContext } from './GlobalContext';
 
 export default class EntryAbility{  
   onNewWant(want: Want) { 
@@ -63,8 +68,9 @@ export default class EntryAbility{
 在目标端页面的自定义组件中获取包含页面信息的want参数并根据uri做路由处理：
 
 ```ts
+import Want from '@ohos.application.Want';
 import router from '@ohos.router';
-import { GlobalContext } from '../GlobalContext'
+import { GlobalContext } from '../GlobalContext';
 
 @Entry
 @Component
@@ -73,10 +79,12 @@ struct Index {
   
   onPageShow() {
     console.info('Index onPageShow')
-    let newWant: Want = GlobalContext.getContext().getObject("newWant")
-    if (newWant.hasOwnProperty("page")) {
-      router.push({ url: newWant.page });
-      GlobalContext.getContext().setObject("newWant", undefined)
+    let newWant = GlobalContext.getContext().getObject("newWant") as Want
+    if (newWant.parameters) {
+      if (newWant.parameters.page) {
+        router.push({ url: newWant.parameters.page });
+        GlobalContext.getContext().setObject("newWant", undefined)
+      }
     }
   }
 
@@ -160,7 +168,7 @@ export default class EntryAbility {
       if (want.parameters) {
         if (want.parameters.page) {
           router.push({
-            url: want.parameters.page
+            url: want.parameters.page as string
           })
         }
       }
diff --git a/zh-cn/application-dev/arkts-utils/async-concurrency-overview.md b/zh-cn/application-dev/arkts-utils/async-concurrency-overview.md
index c0d45f2b7fbf7c189b138bbb39f4d7a6dc90ed11..755e4526b6aae564fd80393dbfb2dfca198611a7 100644
--- a/zh-cn/application-dev/arkts-utils/async-concurrency-overview.md
+++ b/zh-cn/application-dev/arkts-utils/async-concurrency-overview.md
@@ -16,7 +16,7 @@ Promise有三种状态：pending（进行中）、fulfilled（已完成）和rej
 最基本的用法是通过构造函数实例化一个Promise对象，同时传入一个带有两个参数的函数，通常称为executor函数。executor函数接收两个参数：resolve和reject，分别表示异步操作成功和失败时的回调函数。例如，以下代码创建了一个Promise对象并模拟了一个异步操作：
 
 
-```js
+```ts
 const promise: Promise<number> = new Promise((resolve: Function, reject: Function) => {
 setTimeout(() => {
   const randomNumber: number = Math.random();
@@ -26,7 +26,7 @@ setTimeout(() => {
     reject(new Error('Random number is too small'));
   }
 }, 1000);
-}
+})
 ```
 
 上述代码中，setTimeout函数模拟了一个异步操作，并在1秒钟后随机生成一个数字。如果随机数大于0.5，则执行resolve回调函数并将随机数作为参数传递；否则执行reject回调函数并传递一个错误对象作为参数。
@@ -34,11 +34,13 @@ setTimeout(() => {
 Promise对象创建后，可以使用then方法和catch方法指定fulfilled状态和rejected状态的回调函数。then方法可接受两个参数，一个处理fulfilled状态的函数，另一个处理rejected状态的函数。只传一个参数则表示状态改变就执行，不区分状态结果。使用catch方法注册一个回调函数，用于处理“失败”的结果，即捕获Promise的状态改变为rejected状态或操作失败抛出的异常。例如：
 
 
-```js
-promise.then(result => {
-  console.info(`Random number is ${result}`);
-}).catch(error => {
-  console.error(error.message);
+```ts
+import { BusinessError } from '@ohos.base';
+
+promise.then((result: number) => {
+ console.info(`Random number is ${result}`);
+}).catch((error: BusinessError) => {
+ console.error(error.message);
 });
 ```
 
@@ -54,7 +56,7 @@ async函数是一个返回Promise对象的函数，用于表示一个异步操
 下面是一个使用async/await的例子，其中模拟了一个异步操作，该操作会在3秒钟后返回一个字符串。
 
 
-```js
+```ts
 async function myAsyncFunction(): Promise<void> {
   const result: string = await new Promise((resolve: Function) => {
     setTimeout(() => {
@@ -72,7 +74,7 @@ myAsyncFunction();
 需要注意的是，由于要等待异步操作完成，因此需要将整个操作包在async函数中。除了在async函数中使用await外，还可以使用try/catch块来捕获异步操作中的异常。
 
 
-```js
+```ts
 async function myAsyncFunction(): Promise<void> {
   try {
     const result: string = await new Promise((resolve: Function) => {
diff --git a/zh-cn/application-dev/arkts-utils/cpu-intensive-task-development.md b/zh-cn/application-dev/arkts-utils/cpu-intensive-task-development.md
index f2f4b93b648745f755689490510e5cca65620f54..be192804f758feb83d01c627b47487eae059cafb 100644
--- a/zh-cn/application-dev/arkts-utils/cpu-intensive-task-development.md
+++ b/zh-cn/application-dev/arkts-utils/cpu-intensive-task-development.md
@@ -19,7 +19,6 @@ CPU密集型任务是指需要占用系统资源处理大量计算能力的任
 
 3. 结果数组汇总处理。
 
-
 ```ts
 import taskpool from '@ohos.taskpool';
 
@@ -58,8 +57,8 @@ struct Index {
           .fontSize(50)
           .fontWeight(FontWeight.Bold)
           .onClick(() => {
-            let data: ArrayBuffer;
-            histogramStatistic(data);
+            let buffer: ArrayBuffer = new ArrayBuffer(24);
+            histogramStatistic(buffer);
           })
       }
       .width('100%')
@@ -80,107 +79,105 @@ struct Index {
 
 2. 在主线程中通过调用ThreadWorker的[constructor()](../reference/apis/js-apis-worker.md#constructor9)方法创建Worker对象，当前线程为宿主线程。
 
-   ```js
-   import worker from '@ohos.worker';
+    ```ts
+    import worker from '@ohos.worker';
 
-  const workerInstance: worker.ThreadWorker = new worker.ThreadWorker('entry/ets/workers/MyWorker.ts');
-   ```
+    const workerInstance: worker.ThreadWorker = new worker.ThreadWorker('entry/ets/workers/MyWorker.ts');
+    ```
 
 3. 在宿主线程中通过调用[onmessage()](../reference/apis/js-apis-worker.md#onmessage9)方法接收Worker线程发送过来的消息，并通过调用[postMessage()](../reference/apis/js-apis-worker.md#postmessage9)方法向Worker线程发送消息。
    例如向Worker线程发送训练和预测的消息，同时接收Worker线程发送回来的消息。
 
-
-   ```js
-   // 接收Worker子线程的结果
-   workerInstance.onmessage = function(e) {
+    ```ts
+    import worker  from '@ohos.worker';
+    
+    const workerInstance: worker.ThreadWorker = new worker.ThreadWorker('entry/ets/workers/MyWorker.ts');
+    
+    // 接收Worker子线程的结果
+    workerInstance.onmessage = (() => {
      console.info('MyWorker.ts onmessage');
      // 在Worker线程中进行耗时操作
-   }
-
-   workerInstance.onerror = function (d) {
+    })
+    
+    workerInstance.onerror = (() => {
      // 接收Worker子线程的错误信息
-   }
+    })
+    
+    // 向Worker子线程发送训练消息
+    workerInstance.postMessage({ 'type': 0 });
+    // 向Worker子线程发送预测消息
+    workerInstance.postMessage({ 'type': 1, 'value': [90, 5] });
+    ```
 
-   // 向Worker子线程发送训练消息
-   workerInstance.postMessage({ 'type': 0 });
-   // 向Worker子线程发送预测消息
-   workerInstance.postMessage({ 'type': 1, 'value': [90, 5] });
-   ```
 
 4. 在MyWorker.ts文件中绑定Worker对象，当前线程为Worker线程。
 
-   ```js
+   ```ts
    import worker, { ThreadWorkerGlobalScope, MessageEvents, ErrorEvent } from '@ohos.worker';
 
    let workerPort: ThreadWorkerGlobalScope = worker.workerPort;
    ```
 
 5. 在Worker线程中通过调用[onmessage()](../reference/apis/js-apis-worker.md#onmessage9-1)方法接收宿主线程发送的消息内容，并通过调用[postMessage()](../reference/apis/js-apis-worker.md#postmessage9-2)方法向宿主线程发送消息。
-   例如在Worker线程中定义预测模型及其训练过程，同时与主线程进行信息交互。
-
-
-   ```js
-   import worker, { ThreadWorkerGlobalScope, MessageEvents, ErrorEvent } from '@ohos.worker';
-
-   let workerPort: ThreadWorkerGlobalScope = worker.workerPort;
-
-   // 定义训练模型及结果
-   let result;
-
-   // 定义预测函数
-   function predict(x) {
+    例如在Worker线程中定义预测模型及其训练过程，同时与主线程进行信息交互。
+
+    ```ts
+    import worker, { ThreadWorkerGlobalScope, MessageEvents, ErrorEvent } from '@ohos.worker';
+    let workerPort: ThreadWorkerGlobalScope = worker.workerPort;
+    // 定义训练模型及结果
+    let result: Array<number>;
+    // 定义预测函数
+    function predict(x: number): number {
      return result[x];
-   }
-
-   // 定义优化器训练过程
-   function optimize() {
-     result = {};
-   }
-
-   // Worker线程的onmessage逻辑
-   workerPort.onmessage = (e: MessageEvents): void => {
+    }
+    // 定义优化器训练过程
+    function optimize(): void {
+     result = [];
+    }
+    // Worker线程的onmessage逻辑
+    workerPort.onmessage = (e: MessageEvents): void => {
      // 根据传输的数据的type选择进行操作
-     switch (e.data.type) {
-       case 0:
-       // 进行训练
-         optimize();
-       // 训练之后发送主线程训练成功的消息
-         workerPort.postMessage({ type: 'message', value: 'train success.' });
-         break;
-       case 1:
-       // 执行预测
-         const output = predict(e.data.value);
-       // 发送主线程预测的结果
-         workerPort.postMessage({ type: 'predict', value: output });
-         break;
-       default:
-         workerPort.postMessage({ type: 'message', value: 'send message is invalid' });
-         break;
+     switch (e.data.type as number) {
+      case 0:
+      // 进行训练
+       optimize();
+      // 训练之后发送主线程训练成功的消息
+       workerPort.postMessage({ type: 'message', value: 'train success.' });
+       break;
+      case 1:
+      // 执行预测
+       const output: number = predict(e.data.value as number);
+      // 发送主线程预测的结果
+       workerPort.postMessage({ type: 'predict', value: output });
+       break;
+      default:
+       workerPort.postMessage({ type: 'message', value: 'send message is invalid' });
+       break;
      }
-   }
-   ```
+    }
+    ```
 
 6. 在Worker线程中完成任务之后，执行Worker线程销毁操作。销毁线程的方式主要有两种：根据需要可以在宿主线程中对Worker线程进行销毁；也可以在Worker线程中主动销毁Worker线程。
 
-   在宿主线程中通过调用[onexit()](../reference/apis/js-apis-worker.md#onexit9)方法定义Worker线程销毁后的处理逻辑。
+    在宿主线程中通过调用[onexit()](../reference/apis/js-apis-worker.md#onexit9)方法定义Worker线程销毁后的处理逻辑。
 
-   ```js
-   // Worker线程销毁后，执行onexit回调方法
-   workerInstance.onexit = function() {
+    ```ts
+    // Worker线程销毁后，执行onexit回调方法
+    workerInstance.onexit = (): void => {
      console.info("main thread terminate");
-   }
-   ```
-
-   方式一：在宿主线程中通过调用[terminate()](../reference/apis/js-apis-worker.md#terminate9)方法销毁Worker线程，并终止Worker接收消息。
-
-   ```js
-   // 销毁Worker线程
-   workerInstance.terminate();
-   ```
-
-   方式二：在Worker线程中通过调用[close()](../reference/apis/js-apis-worker.md#close9)方法主动销毁Worker线程，并终止Worker接收消息。
-
-   ```js
-   // 销毁线程
-   workerPort.close();
-   ```
+    }
+    ```
+
+    方式一：在宿主线程中通过调用[terminate()](../reference/apis/js-apis-worker.md#terminate9)方法销毁Worker线程，并终止Worker接收息。
+    
+    ```ts
+    // 销毁Worker线程
+    workerInstance.terminate();
+    ```
+    
+    方式二：在Worker线程中通过调用[close()](../reference/apis/js-apis-worker.md#close9)方法主动销毁Worker线程，并终止Worker接收消息。
+    
+    ```ts
+    // 销毁线程
+    workerPort.close();
+    ```
\ No newline at end of file
diff --git a/zh-cn/application-dev/arkts-utils/io-intensive-task-development.md b/zh-cn/application-dev/arkts-utils/io-intensive-task-development.md
index 1a29cc3e008f82e62df89809d981980a5d8c426f..10f0a6ef0351296d2944ee82caac0ba4f5141808 100644
--- a/zh-cn/application-dev/arkts-utils/io-intensive-task-development.md
+++ b/zh-cn/application-dev/arkts-utils/io-intensive-task-development.md
@@ -8,46 +8,49 @@ I/O密集型任务的性能重点通常不在于CPU的处理能力，而在于I/
 
 
 1. 定义并发函数，内部密集调用I/O能力。
-
-   ```ts
-  import fs from '@ohos.file.fs';
-  import { BusinessError } from '@ohos.base';
-
-  // 定义并发函数，内部密集调用I/O能力
-  // 写入文件的实现
-  async function write(data: string, filePath: string): Promise<void> {
-    let file: fs.File = await fs.open(filePath, fs.OpenMode.READ_WRITE);
-    await fs.write(file.fd, data);
-    fs.close(file);
-  }
-
-  @Concurrent
-  async function concurrentTest(fileList: string[]): Promise<boolean> {
-    // 循环写文件操作
-    for (let i: number = 0; i < fileList.length; i++) {
-      write('Hello World!', fileList[i]).then(() => {
-        console.info(`Succeeded in writing the file. FileList: ${fileList[i]}`);
-      }).catch((err: BusinessError) => {
-        console.error(`Failed to write the file. Code is ${err.code}, message is ${err.message}`)
-        return false;
-      })
+    ```ts
+    // a.ts
+    import fs from '@ohos.file.fs';
+    
+    // 定义并发函数，内部密集调用I/O能力
+    // 写入文件的实现
+    export async function write(data: string, filePath: string): Promise<void> {
+      let file: fs.File = await fs.open(filePath, fs.OpenMode.READ_WRITE);
+      await fs.write(file.fd, data);
+      fs.close(file);
+    }
+    ```
+
+	```ts
+    import { write } from './a'
+    import { BusinessError } from '@ohos.base';
+    
+    @Concurrent
+    async function concurrentTest(fileList: string[]): Promise<boolean> {
+      // 循环写文件操作
+      for (let i: number = 0; i < fileList.length; i++) {
+        write('Hello World!', fileList[i]).then(() => {
+          console.info(`Succeeded in writing the file. FileList: ${fileList[i]}`);
+        }).catch((err: BusinessError) => {
+          console.error(`Failed to write the file. Code is ${err.code}, message is ${err.message}`)
+          return false;
+        })
+      }
+      return true;
     }
-    return true;
-  }
-   ```
+	```
 
 2. 使用TaskPool执行包含密集I/O的并发函数：通过调用[execute()](../reference/apis/js-apis-taskpool.md#taskpoolexecute)方法执行任务，并在回调中进行调度结果处理。示例中的filePath1和filePath2的获取方式请参见[获取应用文件路径](../application-models/application-context-stage.md#获取应用文件路径)。
 
-   ```ts
-   import taskpool from '@ohos.taskpool';
-
-   let filePath1: string = ...; // 应用文件路径
-   let filePath2: string = ...;
-
-   // 使用TaskPool执行包含密集I/O的并发函数
-   // 数组较大时，I/O密集型任务任务分发也会抢占主线程，需要使用多线程能力
-   taskpool.execute(concurrentTest, [filePath1, filePath2]).then(() => {
-     // 调度结果处理
-     console.info(`The result: ${ret}`);
-   })
-   ```
+    ```ts
+    import taskpool from '@ohos.taskpool';
+    
+    let filePath1: string = "path1"; // 应用文件路径
+    let filePath2: string = "path2";
+    
+    // 使用TaskPool执行包含密集I/O的并发函数
+    // 数组较大时，I/O密集型任务任务分发也会抢占主线程，需要使用多线程能力
+    taskpool.execute(concurrentTest, [filePath1, filePath2]).then(() => {
+      // 调度结果处理
+    })
+    ```
diff --git a/zh-cn/application-dev/arkts-utils/linear-container.md b/zh-cn/application-dev/arkts-utils/linear-container.md
index 088b6c7272ff42d1e2a5c345a1e6edb8d4f223a4..7491babe88177aec71d3400f37b8feab0d38e1c9 100644
--- a/zh-cn/application-dev/arkts-utils/linear-container.md
+++ b/zh-cn/application-dev/arkts-utils/linear-container.md
@@ -198,7 +198,7 @@ Stack进行增、删、改、查操作的常用API如下：
 此处列举常用的线性容器ArrayList、Vector、Deque、Stack、List的使用示例，包括导入模块、增加元素、访问元素及修改等操作。示例代码如下所示：
 
 
-```js
+```ts
 // ArrayList
 import ArrayList from '@ohos.util.ArrayList'; // 导入ArrayList模块
 
diff --git a/zh-cn/application-dev/arkts-utils/multi-thread-concurrency-overview.md b/zh-cn/application-dev/arkts-utils/multi-thread-concurrency-overview.md
index 31271ee693b9b8314bb15612c09953dfb14a6123..5e33544e5df3064615e7a5fe3f98f3821a911964 100644
--- a/zh-cn/application-dev/arkts-utils/multi-thread-concurrency-overview.md
+++ b/zh-cn/application-dev/arkts-utils/multi-thread-concurrency-overview.md
@@ -27,7 +27,7 @@ Actor并发模型作为基于消息通信并发模型的典型代表，不需要
 可转移对象（Transferable object）传输采用地址转移进行序列化，不需要内容拷贝，会将ArrayBuffer的所有权转移给接收该ArrayBuffer的线程，转移后该ArrayBuffer在发送它的线程中变为不可用，不允许再访问。
 
 
-```js
+```ts
 // 定义可转移对象
 let buffer: ArrayBuffer = new ArrayBuffer(100);
 ```
@@ -42,7 +42,7 @@ let buffer: ArrayBuffer = new ArrayBuffer(100);
 SharedArrayBuffer对象存储的数据在同时被修改时，需要通过原子操作保证其同步性，即下个操作开始之前务必需要等到上个操作已经结束。
 
 
-```js
+```ts
 // 定义可共享对象，可以使用Atomics进行操作
 let sharedBuffer: SharedArrayBuffer = new SharedArrayBuffer(1024);
 ```
diff --git a/zh-cn/application-dev/arkts-utils/nonlinear-container.md b/zh-cn/application-dev/arkts-utils/nonlinear-container.md
index 0b35b767bfc04b89746bfb32bb1057f4b93844d3..098b1d79ae0a61d213d797453a2076e82d5862bc 100644
--- a/zh-cn/application-dev/arkts-utils/nonlinear-container.md
+++ b/zh-cn/application-dev/arkts-utils/nonlinear-container.md
@@ -212,7 +212,7 @@ PlainArray进行增、删、改、查操作的常用API如下：
 此处列举常用的非线性容器HashMap、TreeMap、LightWeightMap、PlainArray的使用示例，包括导入模块、增加元素、访问元素及修改等操作，示例代码如下所示：
 
 
-```js
+```ts
 // HashMap
 import HashMap from '@ohos.util.HashMap'; // 导入HashMap模块
 
diff --git a/zh-cn/application-dev/arkts-utils/single-io-development.md b/zh-cn/application-dev/arkts-utils/single-io-development.md
index 6b551373ead8957fd162150b6e28be6a185feee7..533fd02d80336bc16e69e2aebbc824029cd0add6 100644
--- a/zh-cn/application-dev/arkts-utils/single-io-development.md
+++ b/zh-cn/application-dev/arkts-utils/single-io-development.md
@@ -6,25 +6,23 @@ Promise和async/await提供异步并发能力，适用于单次I/O任务的场
 
 1. 实现单次I/O任务逻辑。
 
-   ```js
-   import fs from '@ohos.file.fs';
-   import { BusinessError } from '@ohos.base';
-
-   async function write(data: string, filePath: string): Promise<void> {
-     let file: fs.File = await fs.open(filePath, fs.OpenMode.READ_WRITE);
-     fs.write(file.fd, data).then((writeLen: number) => {
-       fs.close(file);
-     }).catch((err: BusinessError) => {
-       console.error(`Failed to write data. Code is ${err.code}, message is ${err.message}`);
-     })
-   }
-   ```
-
+    ```ts
+    import fs from '@ohos.file.fs';
+    import { BusinessError } from '@ohos.base';
+    async function write(data: string, filePath: string): Promise<void> {
+      let file: fs.File = await fs.open(filePath, fs.OpenMode.READ_WRITE);
+      fs.write(file.fd, data).then((writeLen: number) => {
+        fs.close(file);
+      }).catch((err: BusinessError) => {
+        console.error(`Failed to write data. Code is ${err.code}, message is ${err.message}`);
+      })
+    }
+    ```
 2. 采用异步能力调用单次I/O任务。示例中的filePath的获取方式请参见[获取应用文件路径](../application-models/application-context-stage.md#获取应用文件路径)。
 
-   ```js
-   let filePath: string = ...; // 应用文件路径
-   write('Hello World!', filePath).then(() => {
-     console.info('Succeeded in writing data.');
-   })
-   ```
+    ```ts
+    let filePath: string = "path"; // 应用文件路径
+    write('Hello World!', filePath).then(() => {
+      console.info('Succeeded in writing data.');
+    })
+    ```
diff --git a/zh-cn/application-dev/arkts-utils/sync-task-development.md b/zh-cn/application-dev/arkts-utils/sync-task-development.md
index 6fbb549708694a312d6b349c80051a8dfc9a04f6..72b28a43253eea2e431f6d1e129e425361b05809 100644
--- a/zh-cn/application-dev/arkts-utils/sync-task-development.md
+++ b/zh-cn/application-dev/arkts-utils/sync-task-development.md
@@ -39,6 +39,7 @@ export default class Handle {
 }
 ```
 
+
 业务使用TaskPool调用相关同步方法的代码。
 
 
@@ -52,8 +53,6 @@ import Handle from './Handle'; // 返回静态句柄
 function func(num: number): boolean {
   // 调用静态类对象中实现的同步等待调用
   Handle.syncSet(num);
-  // 或者调用单例对象中实现的同步等待调用
-  Handle.getInstance().syncGet();
   return true;
 }
 
@@ -95,75 +94,76 @@ struct Index {
 
 1. 在主线程中创建Worker对象，同时接收Worker线程发送回来的消息。
 
-   ```js
-   import worker from '@ohos.worker';
-
-   @Entry
-   @Component
-   struct Index {
-     @State message: string = 'Hello World';
-
-     build() {
-       Row() {
-         Column() {
-           Text(this.message)
-             .fontSize(50)
-             .fontWeight(FontWeight.Bold)
-             .onClick(() => {
-               let w: worker.ThreadWorker = new worker.ThreadWorker('entry/ets/workers/MyWorker.ts');
-               w.onmessage = function (d) {
-                 // 接收Worker子线程的结果
-               }
-               w.onerror = function (d) {
-                 // 接收Worker子线程的错误信息
-               }
-               // 向Worker子线程发送Set消息
-               w.postMessage({'type': 0, 'data': 'data'})
-               // 向Worker子线程发送Get消息
-               w.postMessage({'type': 1})
-               // 销毁线程
-               w.terminate()
-             })
-         }
-         .width('100%')
-       }
-       .height('100%')
-     }
-   }
-   ```
+    ```ts
+    import worker from '@ohos.worker';
+    
+    @Entry
+    @Component
+    struct Index {
+      @State message: string = 'Hello World';
+    
+      build() {
+        Row() {
+          Column() {
+            Text(this.message)
+              .fontSize(50)
+              .fontWeight(FontWeight.Bold)
+              .onClick(() => {
+                let w: worker.ThreadWorker = new worker.ThreadWorker('entry/ets/workers/MyWorker.ts');
+                w.onmessage = () => {
+                  // 接收Worker子线程的结果
+                }
+                w.onerror = () => {
+                  // 接收Worker子线程的错误信息
+                }
+                // 向Worker子线程发送Set消息
+                w.postMessage({'type': 0, 'data': 'data'})
+                // 向Worker子线程发送Get消息
+                w.postMessage({'type': 1})
+                // 销毁线程
+                w.terminate()
+              })
+          }
+          .width('100%')
+        }
+        .height('100%')
+      }
+    }
+    ```
 
-2. 在Worker线程中绑定Worker对象，同时处理同步任务逻辑。
 
-   ```js
-   // handle.ts代码
-   export default class Handle {
-     syncGet() {
-       return;
-     }
+2. 在Worker线程中绑定Worker对象，同时处理同步任务逻辑。
 
-     syncSet(num: number) {
-       return;
-     }
-   }
-
-   // Worker.ts代码
-   import worker, { ThreadWorkerGlobalScope, MessageEvents } from '@ohos.worker';
-   import Handle from './handle.ts'  // 返回句柄
-
-   var workerPort : ThreadWorkerGlobalScope = worker.workerPort;
-
-   // 无法传输的句柄，所有操作依赖此句柄
-   var handler = new Handle()
-
-   // Worker线程的onmessage逻辑
-   workerPort.onmessage = function(e : MessageEvents) {
-     switch (e.data.type) {
-       case 0:
-         handler.syncSet(e.data.data);
-         workerPort.postMessage('success set');
-       case 1:
-         handler.syncGet();
-         workerPort.postMessage('success get');
+    ```ts
+    // handle.ts代码
+    export default class Handle {
+      syncGet() {
+        return;
+      }
+    
+      syncSet(num: number) {
+        return;
+      }
+    }
+    
+    // Worker.ts代码
+    import worker, { ThreadWorkerGlobalScope, MessageEvents } from '@ohos.worker';
+    import Handle from './handle.ts'  // 返回句柄
+    
+    var workerPort : ThreadWorkerGlobalScope = worker.workerPort;
+    
+    // 无法传输的句柄，所有操作依赖此句柄
+    var handler = new Handle()
+    
+    // Worker线程的onmessage逻辑
+    workerPort.onmessage = (e : MessageEvents): void => {
+     switch (e.data.type as number) {
+      case 0:
+       handler.syncSet(e.data.data);
+       workerPort.postMessage('success set');
+      case 1:
+       handler.syncGet();
+       workerPort.postMessage('success get');
      }
-   }
-   ```
+    }
+    ```
diff --git a/zh-cn/application-dev/arkts-utils/taskpool-vs-worker.md b/zh-cn/application-dev/arkts-utils/taskpool-vs-worker.md
index a4f0cd4d8dcdfb711dfda59dcdd9a814a4ef5abd..ece6fcee2057df515ccfed5d606609808de215cf 100644
--- a/zh-cn/application-dev/arkts-utils/taskpool-vs-worker.md
+++ b/zh-cn/application-dev/arkts-utils/taskpool-vs-worker.md
@@ -100,23 +100,21 @@ TaskPool支持开发者在主线程封装任务抛给任务队列，系统选择
 
   当使用Worker模块具体功能时，均需先构造Worker实例对象，其构造函数与API版本相关。
 
-```js
+```ts
 // API 9及之后版本使用：
-const worker1: worker.ThreadWorker = new worker.ThreadWorker(scriptURL);
+const worker1: worker.ThreadWorker = new worker.ThreadWorker('entry/ets/workers/MyWorker.ts');
 // API 8及之前版本使用：
-const worker1: worker.ThreadWorker = new worker.Worker(scriptURL);
+const worker2: worker.Worker = new worker.Worker('entry/ets/workers/MyWorker.ts');
 ```
 
 构造函数需要传入Worker的路径（scriptURL），Worker文件存放位置默认路径为Worker文件所在目录与pages目录属于同级。
 
 **Stage模型**
 
-
 构造函数中的scriptURL示例如下：
 
 
-
-```js
+```ts
 // 写法一
 // Stage模型-目录同级（entry模块下，workers目录与pages目录同级）
 const worker1: worker.ThreadWorker = new worker.ThreadWorker('entry/ets/workers/MyWorker.ts', {name:"first worker in Stage model"});
@@ -149,7 +147,7 @@ const worker4: worker.ThreadWorker = new worker.ThreadWorker('@bundle:com.exampl
 
   构造函数中的scriptURL示例如下：
 
-```js
+```ts
 // FA模型-目录同级（entry模块下，workers目录与pages目录同级）
 const worker1: worker.ThreadWorker = new worker.ThreadWorker('workers/worker.js', {name:'first worker in FA model'});
 // FA模型-目录不同级（entry模块下，workers目录与pages目录的父目录同级）
diff --git a/zh-cn/application-dev/arkts-utils/xml-conversion.md b/zh-cn/application-dev/arkts-utils/xml-conversion.md
index 100d5112be1a49659fd1a0ca85633922100637f7..789ab6dad59254831792bf1624f37ed5fb916c0f 100644
--- a/zh-cn/application-dev/arkts-utils/xml-conversion.md
+++ b/zh-cn/application-dev/arkts-utils/xml-conversion.md
@@ -18,15 +18,15 @@ XML解析及转换需要确保传入的XML数据符合标准格式。
 
 1. 引入模块。
 
-   ```js
+   ```ts
    import convertxml from '@ohos.convertxml';
    ```
 
 2. 输入待转换的XML，设置转换选项。
 
-   ```js
+   ```ts
    let xml: string =
-  '<?xml version="1.0" encoding="utf-8"?>' +
+    '<?xml version="1.0" encoding="utf-8"?>' +
     '<note importance="high" logged="true">' +
     '    <title>Happy</title>' +
     '    <todo>Work</todo>' +
@@ -62,7 +62,7 @@ XML解析及转换需要确保传入的XML数据符合标准格式。
 
 3. 调用转换函数，打印结果。
 
-   ```js
+   ```ts
    let conv: convertxml.ConvertXML = new convertxml.ConvertXML();
    let result: object = conv.convertToJSObject(xml, options);
    let strRes: string = JSON.stringify(result); // 将js对象转换为json字符串，用于显式输出
@@ -71,7 +71,6 @@ XML解析及转换需要确保传入的XML数据符合标准格式。
 
    输出结果如下所示：
 
-
    ```js
    strRes:
    {"_declaration":{"_attributes":{"version":"1.0","encoding":"utf-8"}},"_elements":[{"_type":"element","_name":"note",
diff --git a/zh-cn/application-dev/arkts-utils/xml-generation.md b/zh-cn/application-dev/arkts-utils/xml-generation.md
index 60edf5c6d3681f09547c7676bb526349c13b1488..afe0deca6abdcb9eaa4f2fe7de9b9baeacbac6fd 100644
--- a/zh-cn/application-dev/arkts-utils/xml-generation.md
+++ b/zh-cn/application-dev/arkts-utils/xml-generation.md
@@ -24,14 +24,14 @@ XML模块的API接口可以参考[@ohos.xml](../reference/apis/js-apis-xml.md)
 
 1. 引入模块。
 
-   ```js
+   ```ts
    import xml from '@ohos.xml';
    import util from '@ohos.util';
    ```
 
 2. 创建缓冲区，构造XmlSerializer对象（可以基于Arraybuffer构造XmlSerializer对象， 也可以基于DataView构造XmlSerializer对象）。
 
-   ```js
+   ```ts
    // 1.基于Arraybuffer构造XmlSerializer对象
    let arrayBuffer: ArrayBuffer = new ArrayBuffer(2048); // 创建一个2048字节的缓冲区
    let thatSer: xml.XmlSerializer = new xml.XmlSerializer(arrayBuffer); // 基于Arraybuffer构造XmlSerializer对象
@@ -44,7 +44,7 @@ XML模块的API接口可以参考[@ohos.xml](../reference/apis/js-apis-xml.md)
 
 3. 调用XML元素生成函数。
 
-   ```js
+   ```ts
    thatSer.setDeclaration(); // 写入xml的声明
    thatSer.startElement('bookstore'); // 写入元素开始标记
    thatSer.startElement('book'); // 嵌套元素开始标记
@@ -65,7 +65,7 @@ XML模块的API接口可以参考[@ohos.xml](../reference/apis/js-apis-xml.md)
 
 4. 使用Uint8Array操作Arraybuffer，调用TextDecoder对Uint8Array解码后输出。
 
-   ```js
+   ```ts
    let view: Uint8Array = new Uint8Array(arrayBuffer); // 使用Uint8Array读取arrayBuffer的数据
    let textDecoder: util.TextDecoder = util.TextDecoder.create(); // 调用util模块的TextDecoder类
    let res: string = textDecoder.decodeWithStream(view); // 对view解码
@@ -74,7 +74,6 @@ XML模块的API接口可以参考[@ohos.xml](../reference/apis/js-apis-xml.md)
 
    输出结果如下：
 
-
-   ```js
+   ```
    <?xml version=\"1.0\" encoding=\"utf-8\"?><bookstore>\r\n  <book category=\"COOKING\">\r\n    <title lang=\"en\">Everyday</title>\r\n    <author>Giada</author>\r\n    <year>2005</year>\r\n  </book>\r\n</bookstore>
    ```
diff --git a/zh-cn/application-dev/arkts-utils/xml-parsing.md b/zh-cn/application-dev/arkts-utils/xml-parsing.md
index 5df577246c928a0896f3062d961c46330e3d7945..bff61b63f8be6b947e8f84dc109f9215ba510d01 100644
--- a/zh-cn/application-dev/arkts-utils/xml-parsing.md
+++ b/zh-cn/application-dev/arkts-utils/xml-parsing.md
@@ -29,111 +29,109 @@ XML模块提供XmlPullParser类对XML文件解析，输入为含有XML文本的A
 
 1. 引入模块。
 
-   ```js
-   import xml from '@ohos.xml';
-   import util from '@ohos.util'; // 需要使用util模块函数对文件编码
-   ```
+    ```ts
+    import xml from '@ohos.xml';
+    import util from '@ohos.util'; // 需要使用util模块函数对文件编码
+    ```
 
 2. 对XML文件编码后调用XmlPullParser。
    可以基于ArrayBuffer构造XmlPullParser对象， 也可以基于DataView构造XmlPullParser对象。
 
-
-   ```js
-  let strXml: string =
-  '<?xml version="1.0" encoding="utf-8"?>' +
-    '<note importance="high" logged="true">' +
-    '<title>Play</title>' +
-    '<lens>Work</lens>' +
-    '</note>';
-  let textEncoder: util.TextEncoder = new util.TextEncoder();
-  let arrBuffer: Uint8Array = textEncoder.encodeInto(strXml); // 对数据编码，防止包含中文字符乱码
-  // 1.基于ArrayBuffer构造XmlPullParser对象
-  let that: xml.XmlPullParser = new xml.XmlPullParser(arrBuffer.buffer, 'UTF-8');
-
-  // 2.基于DataView构造XmlPullParser对象
-  let dataView: DataView = new DataView(arrBuffer.buffer);
-  let that: xml.XmlPullParser = new xml.XmlPullParser(dataView, 'UTF-8');
-   ```
+    ```ts
+    let strXml: string =
+    '<?xml version="1.0" encoding="utf-8"?>' +
+      '<note importance="high" logged="true">' +
+      '<title>Play</title>' +
+      '<lens>Work</lens>' +
+      '</note>';
+    let textEncoder: util.TextEncoder = new util.TextEncoder();
+    let arrBuffer: Uint8Array = textEncoder.encodeInto(strXml); // 对数据编码，防止包含中文字符乱码
+    // 1.基于ArrayBuffer构造XmlPullParser对象
+    let that: xml.XmlPullParser = new xml.XmlPullParser(arrBuffer.buffer, 'UTF-8');
+   
+    // 2.基于DataView构造XmlPullParser对象
+    let dataView: DataView = new DataView(arrBuffer.buffer);
+    let that: xml.XmlPullParser = new xml.XmlPullParser(dataView, 'UTF-8');
+    ```
 
 3. 自定义回调函数，本例直接打印出标签及标签值。
 
-   ```js
-   let str: string = '';
-   function func(name: string, value: string): boolean {
-     str = name + value;
-     console.info(str);
-     return true; //true:继续解析 false:停止解析
-   }
-   ```
+    ```ts
+    let str: string = '';
+    function func(name: string, value: string): boolean {
+      str = name + value;
+      console.info(str);
+      return true; //true:继续解析 false:停止解析
+    }
+    ```
 
 4. 设置解析选项，调用parse函数。
 
-   ```js
-   let options: xml.ParseOptions = {supportDoctype:true, ignoreNameSpace:true, tagValueCallbackFunction:func};
-   that.parse(options);
-   ```
+    ```ts
+    let options: xml.ParseOptions = {supportDoctype:true, ignoreNameSpace:true, tagValueCallbackFunction:func};
+    that.parse(options);
+    ```
 
-   输出结果如下所示：
+	输出结果如下所示：
+
+	```
+	note
+	title
+	Play
+	title
+	lens
+	Work
+	lens
+	note
+	```
 
 
-   ```js
-   note
-   title
-   Play
-   title
-   lens
-   Work
-   lens
-   note
-   ```
 
 
 ## 解析XML属性和属性值
 
 1. 引入模块。
 
-   ```js
-   import xml from '@ohos.xml';
-   import util from '@ohos.util'; // 需要使用util模块函数对文件编码
-   ```
+    ```ts
+    import xml from '@ohos.xml';
+    import util from '@ohos.util'; // 需要使用util模块函数对文件编码
+    ```
 
 2. 对XML文件编码后调用XmlPullParser。
 
-   ```js
-   let strXml: string =
-     '<?xml version="1.0" encoding="utf-8"?>' +
-       '<note importance="high" logged="true">' +
-       '    <title>Play</title>' +
-       '    <title>Happy</title>' +
-       '    <lens>Work</lens>' +
-       '</note>';
-   let textEncoder: util.TextEncoder = new util.TextEncoder();
-   let arrBuffer: Uint8Array = textEncoder.encodeInto(strXml); // 对数据编码，防止包含中文字符乱码
-   let that: xml.XmlPullParser = new xml.XmlPullParser(arrBuffer.buffer, 'UTF-8');
-   ```
+    ```ts
+    let strXml: string =
+      '<?xml version="1.0" encoding="utf-8"?>' +
+        '<note importance="high" logged="true">' +
+        '    <title>Play</title>' +
+        '    <title>Happy</title>' +
+        '    <lens>Work</lens>' +
+        '</note>';
+    let textEncoder: util.TextEncoder = new util.TextEncoder();
+    let arrBuffer: Uint8Array = textEncoder.encodeInto(strXml); // 对数据编码，防止包含中文字符乱码
+    let that: xml.XmlPullParser = new xml.XmlPullParser(arrBuffer.buffer, 'UTF-8');
+    ```
 
 3. 自定义回调函数，本例直接打印出属性及属性值。
 
-   ```js
-   let str: string = '';
-   function func(name: string, value: string): boolean {
-     str += name + ' ' + value + ' ';
-     return true; // true:继续解析 false:停止解析
-   }
-   ```
+    ```ts
+    let str: string = '';
+    function func(name: string, value: string): boolean {
+      str += name + ' ' + value + ' ';
+      return true; // true:继续解析 false:停止解析
+    }
+    ```
 
 4. 设置解析选项，调用parse函数。
 
-   ```js
-   let options: xml.ParseOptions = {supportDoctype:true, ignoreNameSpace:true, attributeValueCallbackFunction:func};
-   that.parse(options);
-   console.info(str); // 一次打印出所有的属性及其值
-   ```
+    ```ts
+    let options: xml.ParseOptions = {supportDoctype:true, ignoreNameSpace:true, attributeValueCallbackFunction:func};
+    that.parse(options);
+    console.info(str); // 一次打印出所有的属性及其值
+    ```
 
    输出结果如下所示：
-
-
-   ```js
+   ```
    importance high logged true // note节点的属性及属性值
    ```
 
@@ -142,54 +140,55 @@ XML模块提供XmlPullParser类对XML文件解析，输入为含有XML文本的A
 
 1. 引入模块。
 
-   ```js
-   import xml from '@ohos.xml';
-   import util from '@ohos.util'; // 需要使用util模块函数对文件编码
-   ```
+    ```ts
+    import xml from '@ohos.xml';
+    import util from '@ohos.util'; // 需要使用util模块函数对文件编码
+    ```
 
 2. 对XML文件编码后调用XmlPullParser。
 
-   ```js
-   let strXml: string =
-     '<?xml version="1.0" encoding="utf-8"?>' +
-     '<note importance="high" logged="true">' +
-     '<title>Play</title>' +
-     '</note>';
-   let textEncoder: util.TextEncoder = new util.TextEncoder();
-   let arrBuffer: Uint8Array = textEncoder.encodeInto(strXml); // 对数据编码，防止包含中文字符乱码
-   let that: xml.XmlPullParser = new xml.XmlPullParser(arrBuffer.buffer, 'UTF-8');
-   ```
+    ```ts
+    let strXml: string =
+      '<?xml version="1.0" encoding="utf-8"?>' +
+      '<note importance="high" logged="true">' +
+      '<title>Play</title>' +
+      '</note>';
+    let textEncoder: util.TextEncoder = new util.TextEncoder();
+    let arrBuffer: Uint8Array = textEncoder.encodeInto(strXml); // 对数据编码，防止包含中文字符乱码
+    let that: xml.XmlPullParser = new xml.XmlPullParser(arrBuffer.buffer, 'UTF-8');
+    ```
 
 3. 自定义回调函数，本例直接打印元素事件类型及元素深度。
 
-   ```js
-   let str: string  = '';
-   function func(name: string, value: xml.ParseInfo): boolean {
-     str = name + ' ' + value.getDepth(); // getDepth 获取元素的当前深度
-     console.info(str)
-     return true; //true:继续解析 false:停止解析
-   }
-   ```
+    ```ts
+    let str: string  = '';
+    function func(name: xml.EventType, value: xml.ParseInfo): boolean {
+      str = name + ' ' + value.getDepth(); // getDepth 获取元素的当前深度
+      console.info(str)
+      return true; //true:继续解析 false:停止解析
+    }
+    ```
 
 4. 设置解析选项，调用parse函数。
 
-   ```js
-   let options: xml.ParseOptions = {supportDoctype:true, ignoreNameSpace:true, tokenValueCallbackFunction:func};
-   that.parse(options);
-   ```
+     ```ts
+     let options: xml.ParseOptions = {supportDoctype:true, ignoreNameSpace:true, tokenValueCallbackFunction:func};
+     that.parse(options);
+     ```
 
    输出结果如下所示：
 
+	```
+	 0 0 // 0：<?xml version="1.0" encoding="utf-8"?> 对应事件类型		START_DOCUMENT值为0  0：起始深度为0
+	 2 1 // 2：<note importance="high" logged="true"> 对应事件类型START_TAG值为2       1：深度为1
+	 2 2 // 2：<title>对应事件类型START_TAG值为2                                       2：深度为2
+	 4 2 // 4：Play对应事件类型TEXT值为4                                               2：深度为2
+	 3 2 // 3：</title>对应事件类型END_TAG值为3                                        2：深度为2
+	 3 1 // 3：</note>对应事件类型END_TAG值为3                                         1：深度为1（与<note对应>）
+	 1 0 // 1：对应事件类型END_DOCUMENT值为1                                           0：深度为0
+	```
+
 
-   ```js
-   0 0 // 0：<?xml version="1.0" encoding="utf-8"?> 对应事件类型START_DOCUMENT值为0  0：起始深度为0
-   2 1 // 2：<note importance="high" logged="true"> 对应事件类型START_TAG值为2       1：深度为1
-   2 2 // 2：<title>对应事件类型START_TAG值为2                                       2：深度为2
-   4 2 // 4：Play对应事件类型TEXT值为4                                               2：深度为2
-   3 2 // 3：</title>对应事件类型END_TAG值为3                                        2：深度为2
-   3 1 // 3：</note>对应事件类型END_TAG值为3                                         1：深度为1（与<note对应>）
-   1 0 // 1：对应事件类型END_DOCUMENT值为1                                           0：深度为0
-   ```
 
 
 ## 场景示例
@@ -197,7 +196,7 @@ XML模块提供XmlPullParser类对XML文件解析，输入为含有XML文本的A
 此处以调用所有解析选项为例，提供解析XML标签、属性和事件类型的开发示例。
 
 
-```js
+```ts
 import xml from '@ohos.xml';
 import util from '@ohos.util';
 
@@ -218,13 +217,13 @@ function tagFunc(name: string, value: string): boolean {
   return true;
 }
 
-function attFunc(name: string, value: string): boolean {
+function attFunc(name: xml.EventType, value: string): boolean {
   str = name + ' ' + value;
   console.info('attri-' + str);
   return true;
 }
 
-function tokenFunc(name: string, value: xml.ParseInfo): boolean {
+function tokenFunc(name: xml.EventType, value: xml.ParseInfo): boolean {
   str = name + ' ' + value.getDepth();
   console.info('token-' + str);
   return true;
@@ -238,33 +237,31 @@ let options: xml.ParseOptions = {
   tokenValueCallbackFunction: tokenFunc
 };
 that.parse(options);
-
 ```
 
 输出结果如下所示：
 
-
-```js
-tag-
-token-0 0
-tag-book
-attri-category COOKING
-token-2 1
-tag-title
-attri-lang en
-token-2 2
-tag-Everyday
-token-4 2
-tag-title
-token-3 2
-tag-author
-token-2 2
-tag-Giada
-token-4 2
-tag-author
-token-3 2
-tag-book
-token-3 1
-tag-
-token-1 0
-```
+   ```
+   tag-
+   token-0 0
+   tag-book
+   attri-category COOKING
+   token-2 1
+   tag-title
+   attri-lang en
+   token-2 2
+   tag-Everyday
+   token-4 2
+   tag-title
+   token-3 2
+   tag-author
+   token-2 2
+   tag-Giada
+   token-4 2
+   tag-author
+   token-3 2
+   tag-book
+   token-3 1
+   tag-
+   token-1 0
+   ```
diff --git a/zh-cn/application-dev/database/data-persistence-by-preferences.md b/zh-cn/application-dev/database/data-persistence-by-preferences.md
index c5a6f64a0c47e540aa14b3ca85f04d106db1ef7e..92404f30ca3d461456a516394946455d48f870e8 100644
--- a/zh-cn/application-dev/database/data-persistence-by-preferences.md
+++ b/zh-cn/application-dev/database/data-persistence-by-preferences.md
@@ -47,7 +47,7 @@
 
 1. 导入`@ohos.data.preferences`模块。
      
-   ```js
+   ```ts
    import dataPreferences from '@ohos.data.preferences';
    ```
 
@@ -56,7 +56,7 @@
    Stage模型示例：
 
      
-   ```js
+   ```ts
    import UIAbility from '@ohos.app.ability.UIAbility';
    import { BusinessError } from '@ohos.base';
    import window from '@ohos.window';
@@ -73,7 +73,9 @@
            // 请确保获取到Preferences实例后，再进行相关数据操作
          })
        } catch (err) {
-         console.error(`Failed to get preferences. Code:${err.code},message:${err.message}`);
+         let code = (err as BusinessError).code;
+         let message = (err as BusinessError).message;
+         console.error(`Failed to get preferences. Code:${code},message:${message}`);
        }
      }
    }
@@ -82,7 +84,7 @@
    FA模型示例：
 
      
-   ```js
+   ```ts
    import featureAbility from '@ohos.ability.featureAbility';
    import { BusinessError } from '@ohos.base';
    
@@ -99,7 +101,9 @@
        // 请确保获取到Preferences实例后，再进行相关数据操作
      })
    } catch (err) {
-     console.error(`Failed to get preferences. Code is ${err.code},message:${err.message}`);
+     let code = (err as BusinessError).code;
+     let message = (err as BusinessError).message;
+     console.error(`Failed to get preferences. Code is ${code},message:${message}`);
    }
    ```
 
@@ -114,7 +118,7 @@
    示例代码如下所示：
 
      
-   ```js
+   ```ts
    try {
      if (preferences.hasSync('startup')) {
        console.info("The key 'startup' is contained.");
@@ -124,7 +128,9 @@
        preferences.putSync('startup', 'auto');
      }
    } catch (err) {
-     console.error(`Failed to check the key 'startup'. Code:${err.code}, message:${err.message}`);
+     let code = (err as BusinessError).code;
+     let message = (err as BusinessError).message;
+     console.error(`Failed to check the key 'startup'. Code:${code}, message:${message}`);
    }
    ```
 
@@ -132,12 +138,14 @@
 
      使用getSync()方法获取数据，即指定键对应的值。如果值为null或者非默认值类型，则返回默认数据。示例代码如下所示：
      
-   ```js
+   ```ts
    try {
      let val = preferences.getSync('startup', 'default');
      console.info(`Succeeded in getting value of 'startup'. val: ${val}.`);
    } catch (err) {
-     console.error(`Failed to get value of 'startup'. Code:${err.code}, message:${err.message}`);
+     let code = (err as BusinessError).code;
+     let message = (err as BusinessError).message;
+     console.error(`Failed to get value of 'startup'. Code:${code}, message:${message}`);
    }
    ```
 
@@ -146,11 +154,13 @@
    使用deleteSync()方法删除指定键值对，示例代码如下所示：
 
      
-   ```js
+   ```ts
    try {
      preferences.deleteSync('startup');
    } catch (err) {
-     console.error(`Failed to delete the key 'startup'. Code:${err.code}, message:${err.message}`);
+     let code = (err as BusinessError).code;
+     let message = (err as BusinessError).message;
+     console.error(`Failed to delete the key 'startup'. Code:${code}, message:${message}`);
    }
    ```
 
@@ -158,7 +168,7 @@
 
      应用存入数据到Preferences实例后，可以使用flush()方法实现数据持久化。示例代码如下所示：
      
-   ```js
+   ```ts
    try {
      preferences.flush((err: BusinessError) => {
        if (err) {
@@ -168,7 +178,9 @@
        console.info('Succeeded in flushing.');
      })
    } catch (err) {
-     console.error(`Failed to flush. Code:${err.code}, message:${err.message}`);
+     let code = (err as BusinessError).code;
+     let message = (err as BusinessError).message;
+     console.error(`Failed to flush. Code:${code}, message:${message}`);
    }
    ```
 
@@ -176,7 +188,7 @@
 
      应用订阅数据变更需要指定observer作为回调方法。订阅的Key值发生变更后，当执行flush()方法时，observer被触发回调。示例代码如下所示：
      
-   ```js
+   ```ts
    interface observer {
       key: string
    }
@@ -213,7 +225,7 @@
    示例代码如下所示：
 
      
-   ```js
+   ```ts
    try {
      dataPreferences.deletePreferences(this.context, 'myStore', (err: BusinessError) => {
        if (err) {
@@ -223,7 +235,9 @@
        console.info('Succeeded in deleting preferences.');
      })
    } catch (err) {
-     console.error(`Failed to delete preferences. Code:${err.code}, message:${err.message}`);
+     let code = (err as BusinessError).code;
+     let message = (err as BusinessError).message;
+     console.error(`Failed to delete preferences. Code:${code}, message:${message}`);
    }
    ```
 
diff --git a/zh-cn/application-dev/database/data-sync-of-distributed-data-object.md b/zh-cn/application-dev/database/data-sync-of-distributed-data-object.md
index 8f3cca0be0fac2dc1ec8bb1e1d7738309c914d68..cc81d2ab8e00d0d6061bd2ebc9b531440aba907e 100644
--- a/zh-cn/application-dev/database/data-sync-of-distributed-data-object.md
+++ b/zh-cn/application-dev/database/data-sync-of-distributed-data-object.md
@@ -115,6 +115,7 @@
 ## 接口说明
 
 以下是分布式对象跨设备数据同步功能的相关接口，大部分为异步接口。异步接口均有callback和Promise两种返回形式，下表均以callback形式为例，更多接口及使用方式请见[分布式数据对象](../reference/apis/js-apis-data-distributedobject.md)。
+本模块接口仅支持在JS文件中使用。
 
 | 接口名称 | 描述 | 
 | -------- | -------- |
@@ -151,26 +152,17 @@
    // 导入模块
    import distributedDataObject from '@ohos.data.distributedDataObject';
    import UIAbility from '@ohos.app.ability.UIAbility';
-   import { BusinessError } from '@ohos.base';
-   import window from '@ohos.window';
-
-   interface sourceObject{
-     name: string,
-     age: number,
-     isVis: boolean
-     parent: { [key: string]: string },
-     list: { [key: string]: string }[]
-   }
+   
    class EntryAbility extends UIAbility {
-     onWindowStageCreate(windowStage: window.WindowStage) {
-       let source: sourceObject = {
+     onWindowStageCreate(windowStage) {
+       // 创建对象，该对象包含4个属性类型：string、number、boolean和Object
+       let localObject = distributedDataObject.create(this.context, {
          name: 'jack',
          age: 18,
          isVis: false,
          parent: { mother: 'jack mom', father: 'jack Dad' },
          list: [{ mother: 'jack mom' }, { father: 'jack Dad' }]
-       }
-       let localObject: distributedDataObject.DataObject = distributedDataObject.create(this.context, source);
+       });
      }
    }
    ```
@@ -184,43 +176,34 @@
    import featureAbility from '@ohos.ability.featureAbility';
    // 获取context
    let context = featureAbility.getContext();
-   interface sourceObject{
-     name: string,
-     age: number,
-     isVis: boolean
-     parent: { [key: string]: string },
-     list: { [key: string]: string }[]
-   }
-   let source: sourceObject = {
+   // 创建对象，该对象包含4个属性类型：string、number、boolean和Object
+   let localObject = distributedDataObject.create(context, {
      name: 'jack',
      age: 18,
      isVis: false,
      parent: { mother: 'jack mom', father: 'jack Dad' },
      list: [{ mother: 'jack mom' }, { father: 'jack Dad' }]
-   }
-   // 创建对象，该对象包含4个属性类型：string、number、boolean和Object
-   let localObject: distributedDataObject.DataObject = distributedDataObject.create(context, source);
+   });
    ```
 
 4. 加入同步组网。同步组网中的数据对象分为发起方和被拉起方。
      
    ```js
    // 设备1加入sessionId
-   let sessionId: string = '123456';
+   let sessionId = '123456';
    
    localObject.setSessionId(sessionId);
    
    // 和设备1协同的设备2加入同一个session
    
    // 创建对象，该对象包含4个属性类型：string、number、boolean和Object
-   let remoteSource: sourceObject = {
+   let remoteObject = distributedDataObject.create(this.context, {
      name: undefined,
      age: undefined, //  undefined表示数据来自对端
      isVis: true,
      parent: undefined,
      list: undefined
-   }
-   let remoteObject: distributedDataObject.DataObject = distributedDataObject.create(this.context, remoteSource);
+   });
    // 收到status上线后remoteObject同步数据，即name变成jack,age是18
    remoteObject.setSessionId(sessionId);
    ```
@@ -228,19 +211,18 @@
 5. 监听对象数据变更。可监听对端数据的变更，以callback作为变更回调实例。
      
    ```js
-   interface ChangeCallback {
-     sessionId: string,
-     fields: Array<string> 
-   }
+   function changeCallback(sessionId, changeData) {
+     console.info(`change: ${sessionId}`);
    
-   localObject.on("change", (changeData:ChangeCallback) => {
-     console.info("change" + changeData.sessionId);
-     if (changeData.fields != null && changeData.fields != undefined) {
-       for (let index: number = 0; index < changeData.fields.length; index++) {
-         console.info(`The element ${localObject[changeData.fields[index]]} changed.`);
-       }
+     if (changeData !== null && changeData !== undefined) {
+       changeData.forEach(element => {
+         console.info(`The element ${localObject[element]} changed.`);
+       });
      }
-   });
+   }
+   
+   // 发起方要在changeCallback里刷新界面，则需要将正确的this绑定给changeCallback
+   localObject.on("change", this.changeCallback.bind(this));
    ```
 
 6. 修改对象属性，对象属性支持基本类型（数字类型、布尔类型、字符串类型）以及复杂类型（数组、基本类型嵌套等）。
@@ -275,14 +257,7 @@
      
    ```js
    // 删除变更回调changeCallback
-   localObject.off('change',(changeData: ChangeCallback) => {
-     console.info("change" + changeData.sessionId);
-     if (changeData.fields != null && changeData.fields != undefined) {
-       for (let index: number = 0; index < changeData.fields.length; index++) {
-         console.info("changed !" + changeData.fields[index] + " " + g_object[changeData.fields[index]]);
-       }
-     }
-   });
+   localObject.off('change', this.changeCallback);
    // 删除所有的变更回调
    localObject.off('change'); 
    ```
@@ -290,32 +265,27 @@
 9. 监听分布式数据对象的上下线。可以监听对端分布式数据对象的上下线。
      
    ```js
-   interface onStatusCallback {
-     sessionId: string,
-     networkId: string,
-     status: 'online' | 'offline'
+   function statusCallback(sessionId, networkId, status) {
+     // 业务处理
    }
    
-   localObject.on('status', (statusCallback: onStatusCallback) => {
-     console.info("status changed " + statusCallback.sessionId + " " + statusCallback.status + " " +  statusCallback.networkId);
-     // 业务处理
-   });
+   localObject.on('status', this.statusCallback);
    ```
 
 10. 保存和撤回已保存的数据对象。
      
     ```js
     // 保存数据对象，如果应用退出后组网内设备需要恢复对象数据时调用
-    localObject.save("local").then((result: distributedDataObject.SaveSuccessResponse) => {
+    localObject.save('local').then((result) => {
       console.info(`Succeeded in saving. SessionId:${result.sessionId},version:${result.version},deviceId:${result.deviceId}`);
-    }).catch((err: BusinessError) => {
+    }).catch((err) => {
       console.error(`Failed to save. Code:${err.code},message:${err.message}`);
     });
    
     // 撤回保存的数据对象
-    localObject.revokeSave().then((result: distributedDataObject.RevokeSaveSuccessResponse) => {
+    localObject.revokeSave().then((result) => {
       console.info(`Succeeded in revokeSaving. Session:${result.sessionId}`);
-    }).catch((err: BusinessError) => {
+    }).catch((err) => {
       console.error(`Failed to revokeSave. Code:${err.code},message:${err.message}`);
     });
     ```
@@ -323,16 +293,8 @@
 11. 删除监听分布式数据对象的上下线。可以指定删除监听的上下线回调；也可以不指定，这将会删除该分布式数据对象的所有上下线回调。
      
     ```js
-    interface offStatusCallback {
-      sessionId: string,
-      deviceId: string,
-      status: 'online' | 'offline'
-    }
     // 删除上下线回调statusCallback
-    localObject.off('status', (statusCallback: offStatusCallback) => {
-      console.info("status changed " + statusCallback.sessionId + " " + statusCallback.status + " " + statusCallback.deviceId);
-      // 业务处理
-    });
+    localObject.off('status', this.statusCallback);
     // 删除所有的上下线回调
     localObject.off('status');
     ```
@@ -341,7 +303,7 @@
      
     ```js
     localObject.setSessionId(() => {
-      console.info('leave all session.');
+        console.info('leave all session.');
     });
     ```
 
diff --git a/zh-cn/application-dev/database/share-data-by-datashareextensionability.md b/zh-cn/application-dev/database/share-data-by-datashareextensionability.md
index bda623ca8a2e402873f7727414d82128817b22e8..0a344286a5295e078d620acd500c5e13221b4be0 100644
--- a/zh-cn/application-dev/database/share-data-by-datashareextensionability.md
+++ b/zh-cn/application-dev/database/share-data-by-datashareextensionability.md
@@ -60,36 +60,34 @@
 3. 在DataShareExtAbility.ts文件中，导入
 `@ohos.application.DataShareExtensionAbility`模块，开发者可根据应用需求选择性重写其业务实现。例如数据提供方只提供插入、删除和查询服务，则可只重写这些接口，并导入对应的基础依赖模块。
    
-   ```js
+   ```ts
    import Extension from '@ohos.application.DataShareExtensionAbility';
-   import rdb from '@ohos.data.relationalStore';
    import dataSharePredicates from '@ohos.data.dataSharePredicates';
    import relationalStore from '@ohos.data.relationalStore';
    import Want from '@ohos.app.ability.Want';
+   import { BusinessError } from '@ohos.base'
    ```
 
 4. 数据提供方的业务实现由开发者自定义。例如可以通过数据库、读写文件或访问网络等各方式实现数据提供方的数据存储。
    
-   ```js
+   ```ts
    const DB_NAME = 'DB00.db';
    const TBL_NAME = 'TBL00';
    const DDL_TBL_CREATE = "CREATE TABLE IF NOT EXISTS "
-   + TBL_NAME
-   + ' (id INTEGER PRIMARY KEY AUTOINCREMENT, name TEXT, age INTEGER, isStudent BOOLEAN, Binary BINARY)';
-   
+     + TBL_NAME
+     + ' (id INTEGER PRIMARY KEY AUTOINCREMENT, name TEXT, age INTEGER, isStudent BOOLEAN, Binary BINARY)';
+
    let rdbStore: relationalStore.RdbStore;
    let result: string;
-   
+
    export default class DataShareExtAbility extends Extension {
-     private rdbStore_: relationalStore.RdbStore;
-   
      // 重写onCreate接口
      onCreate(want: Want, callback: Function) {
        result = this.context.cacheDir + '/datashare.txt';
        // 业务实现使用RDB
-       rdb.getRdbStore(this.context, {
+       relationalStore.getRdbStore(this.context, {
          name: DB_NAME,
-         securityLevel: rdb.SecurityLevel.S1
+         securityLevel: relationalStore.SecurityLevel.S1
        }, (err, data) => {
          rdbStore = data;
          rdbStore.executeSql(DDL_TBL_CREATE, [], (err) => {
@@ -100,7 +98,7 @@
          }
        });
      }
-   
+
      // 重写query接口
      query(uri: string, predicates: dataSharePredicates.DataSharePredicates, columns: Array<string>, callback: Function) {
        if (predicates === null || predicates === undefined) {
@@ -116,7 +114,9 @@
            }
          });
        } catch (err) {
-         console.error(`Failed to query. Code:${err.code},message:${err.message}`);
+         let code = (err as BusinessError).code;
+         let message = (err as BusinessError).message
+         console.error(`Failed to query. Code:${code},message:${message}`);
        }
      }
      // 可根据应用需求，选择性重写各个接口
@@ -186,7 +186,7 @@
 
 1. 导入基础依赖包。
    
-   ```js
+   ```ts
    import UIAbility from '@ohos.app.ability.UIAbility';
    import dataShare from '@ohos.data.dataShare';
    import dataSharePredicates from '@ohos.data.dataSharePredicates';
@@ -196,17 +196,17 @@
 
 2. 定义与数据提供方通信的URI字符串。
    
-   ```js
+   ```ts
    // 作为参数传递的URI，与module.json5中定义的URI的区别是多了一个"/"，是因为作为参数传递的URI中，在第二个与第三个"/"中间，存在一个DeviceID的参数
    let dseUri = ('datashareproxy://com.samples.datasharetest.DataShare');
    ```
 
 3. 创建工具接口类对象。
    
-   ```js
-   let dsHelper: dataShare.DataShareHelper;
+   ```ts
+   let dsHelper: dataShare.DataShareHelper | undefined = undefined;
    let abilityContext: Context;
-   
+
    export default class EntryAbility extends UIAbility {
      onWindowStageCreate(windowStage: window.WindowStage) {
        abilityContext = this.context;
@@ -219,7 +219,7 @@
 
 4. 获取到接口类对象后，便可利用其提供的接口访问提供方提供的服务，如进行数据的增删改查等。
    
-   ```js
+   ```ts
    // 构建一条数据
    let key1 = 'name';
    let key2 = 'age';
@@ -236,22 +236,24 @@
    let updateBucket: ValuesBucket = { key1: valueName2, key2: valueAge2, key3: valueIsStudent2, key4: valueBinary };
    let predicates = new dataSharePredicates.DataSharePredicates();
    let valArray = ['*'];
-   // 插入一条数据
-   dsHelper.insert(dseUri, valuesBucket, (err, data) => {
-     console.info(`dsHelper insert result:${data}`);
-   });
-   // 更新数据
-   dsHelper.update(dseUri, predicates, updateBucket, (err, data) => {
-     console.info(`dsHelper update result:${data}`);
-   });
-   // 查询数据
-   dsHelper.query(dseUri, predicates, valArray, (err, data) => {
-     console.info(`dsHelper query result:${data}`);
-   });
-   // 删除指定的数据
-   dsHelper.delete(dseUri, predicates, (err, data) => {
-     console.info(`dsHelper delete result:${data}`);
-   });
+   if (dsHelper != undefined) {
+     // 插入一条数据
+     (dsHelper as dataShare.DataShareHelper).insert(dseUri, valuesBucket, (err, data) => {
+       console.info(`dsHelper insert result:${data}`);
+     });
+     // 更新数据
+     (dsHelper as dataShare.DataShareHelper).update(dseUri, predicates, updateBucket, (err, data) => {
+       console.info(`dsHelper update result:${data}`);
+     });
+     // 查询数据
+     (dsHelper as dataShare.DataShareHelper).query(dseUri, predicates, valArray, (err, data) => {
+       console.info(`dsHelper query result:${data}`);
+     });
+     // 删除指定的数据
+     (dsHelper as dataShare.DataShareHelper).delete(dseUri, predicates, (err, data) => {
+       console.info(`dsHelper delete result:${data}`);
+     });
+   }
    ```
 
 ## 相关实例
diff --git a/zh-cn/application-dev/device/pointerstyle-guidelines.md b/zh-cn/application-dev/device/pointerstyle-guidelines.md
index 0f3d451f1a58ab65fb8770a0bcb8319b72d32c80..fabac3d7c470187cbde5df5ef12b302f400f243d 100644
--- a/zh-cn/application-dev/device/pointerstyle-guidelines.md
+++ b/zh-cn/application-dev/device/pointerstyle-guidelines.md
@@ -87,7 +87,7 @@ window.getLastWindow(this.context, (error, windowClass) => {
     console.error('Failed to obtain the top window. Cause: ' + JSON.stringify(error));
     return;
   }
-  var windowId = windowClass.getWindowProperties().id;
+  let windowId = windowClass.getWindowProperties().id;
   if (windowId < 0) {
     console.log(`Invalid windowId`);
     return;
@@ -107,7 +107,7 @@ window.getLastWindow(this.context, (error, windowClass) => {
     console.error('Failed to obtain the top window. Cause: ' + JSON.stringify(error));
     return;
   }
-  var windowId = windowClass.getWindowProperties().id;
+  let windowId = windowClass.getWindowProperties().id;
   if (windowId < 0) {
     console.log(`Invalid windowId`);
     return;
diff --git a/zh-cn/application-dev/device/stationary-guidelines.md b/zh-cn/application-dev/device/stationary-guidelines.md
index 190881fe356452c6c3cadb14b8aecbb6efe4fbd8..80b3f018ce0a83a0e62da1735f170c400453232f 100644
--- a/zh-cn/application-dev/device/stationary-guidelines.md
+++ b/zh-cn/application-dev/device/stationary-guidelines.md
@@ -47,6 +47,7 @@
 
    ```ts
    import stationary from '@ohos.stationary';
+   import { BusinessError } from '@ohos.base';
    let reportLatencyNs = 1000000000;
    try {
       stationary.on('still', stationary.ActivityEvent.ENTER, reportLatencyNs, (data) => {
@@ -62,6 +63,7 @@
 
    ```ts
    import stationary from '@ohos.stationary';
+   import { BusinessError } from '@ohos.base';
    try {
       stationary.once('still', (data) => {
          console.log('data='+ JSON.stringify(data));
@@ -76,6 +78,7 @@
 
    ```ts
    import stationary from '@ohos.stationary';
+   import { BusinessError } from '@ohos.base';
    try {
       stationary.off('still', stationary.ActivityEvent.ENTER, (data) => {
          console.log('data='+ JSON.stringify(data));
diff --git a/zh-cn/application-dev/dfx/hiappevent-guidelines.md b/zh-cn/application-dev/dfx/hiappevent-guidelines.md
index 865455e43d7dc69b8a1a19a4f73f826246cfd00f..5b98b330611163a36630aa01b37c4066b6ee5d51 100644
--- a/zh-cn/application-dev/dfx/hiappevent-guidelines.md
+++ b/zh-cn/application-dev/dfx/hiappevent-guidelines.md
@@ -47,53 +47,54 @@ HiAppEvent是在系统层面为应用开发者提供的一种事件打点机制
 
 1. 新建一个ArkTS应用工程，编辑工程中的“entry > src > main > ets  > entryability > EntryAbility.ts” 文件，在onCreate函数中添加对用户点击按钮事件的订阅，完整示例代码如下：
 
-   ```js
+   ```ts
+   import AbilityConstant from '@ohos.app.ability.AbilityConstant';
+   import hiAppEvent from '@ohos.hiviewdfx.hiAppEvent';
    import hilog from '@ohos.hilog';
    import UIAbility from '@ohos.app.ability.UIAbility';
-   import Window from '@ohos.window'
-   import hiAppEvent from '@ohos.hiviewdfx.hiAppEvent'
+   import Want from '@ohos.app.ability.Want';
+   import window from '@ohos.window';
    
    export default class EntryAbility extends UIAbility {
-       onCreate(want, launchParam) {
-           hilog.isLoggable(0x0000, 'testTag', hilog.LogLevel.INFO);
-           hilog.info(0x0000, 'testTag', '%{public}s', 'Ability onCreate');
-           hilog.info(0x0000, 'testTag', '%{public}s', 'want param:' + JSON.stringify(want) ?? '');
-           hilog.info(0x0000, 'testTag', '%{public}s', 'launchParam:' + JSON.stringify(launchParam) ?? '');
+     onCreate(want: Want, launchParam: AbilityConstant.LaunchParam) {
+       hilog.info(0x0000, 'testTag', '%{public}s', 'Ability onCreate');
    
-           hiAppEvent.addWatcher({
-               // 开发者可以自定义观察者名称，系统会使用名称来标识不同的观察者
-               name: "watcher1",
-               // 开发者可以订阅感兴趣的应用事件，此处是订阅了按钮事件
-               appEventFilters: [{ domain: "button" }],
-               // 开发者可以设置订阅回调触发的条件，此处是设置为事件打点数量满足1个
-               triggerCondition: { row: 1 },
-               // 开发者可以自行实现订阅回调函数，以便对订阅获取到的事件打点数据进行自定义处理
-               onTrigger: function (curRow, curSize, holder) {
-                   // 返回的holder对象为null，表示订阅过程发生异常，因此在记录错误日志后直接返回
-                   if (holder == null) {
-                       hilog.error(0x0000, 'testTag', "HiAppEvent holder is null")
-                       return
-                   }
-                   let eventPkg = null
-                   // 根据设置阈值大小（默认为512KB）去获取订阅事件包，直到将订阅数据全部取出
-                   // 返回的事件包对象为null，表示当前订阅数据已被全部取出，此次订阅回调触发结束
-                   while ((eventPkg = holder.takeNext()) != null) {
-                       // 开发者可以对事件包中的事件打点数据进行自定义处理，此处是将事件打点数据打印在日志中
-                       hilog.info(0x0000, 'testTag', `HiAppEvent eventPkg.packageId=%{public}d`, eventPkg.packageId)
-                       hilog.info(0x0000, 'testTag', `HiAppEvent eventPkg.row=%{public}d`, eventPkg.row)
-                       hilog.info(0x0000, 'testTag', `HiAppEvent eventPkg.size=%{public}d`, eventPkg.size)
-                       for (const eventInfo of eventPkg.data) {
-                           hilog.info(0x0000, 'testTag', `HiAppEvent eventPkg.info=%{public}s`, eventInfo)
-                       }
-                   }
-               }
-           })
-       }
+       hiAppEvent.addWatcher({
+         // 开发者可以自定义观察者名称，系统会使用名称来标识不同的观察者
+         name: "watcher1",
+         // 开发者可以订阅感兴趣的应用事件，此处是订阅了按钮事件
+         appEventFilters: [{ domain: "button" }],
+         // 开发者可以设置订阅回调触发的条件，此处是设置为事件打点数量满足1个
+         triggerCondition: { row: 1 },
+         // 开发者可以自行实现订阅回调函数，以便对订阅获取到的事件打点数据进行自定义处理
+         onTrigger: (curRow: number, curSize: number, holder: hiAppEvent.AppEventPackageHolder) => {
+           // 返回的holder对象为null，表示订阅过程发生异常，因此在记录错误日志后直接返回
+           if (holder == null) {
+             hilog.error(0x0000, 'testTag', "HiAppEvent holder is null");
+             return;
+           }
+           hilog.info(0x0000, 'testTag', `HiAppEvent onTrigger: curRow=%{public}d, curSize=%{public}d`, curRow, curSize);
+           let eventPkg: hiAppEvent.AppEventPackage | null = null;
+           // 根据设置阈值大小（默认为512KB）去获取订阅事件包，直到将订阅数据全部取出
+           // 返回的事件包对象为null，表示当前订阅数据已被全部取出，此次订阅回调触发结束
+           while ((eventPkg = holder.takeNext()) != null) {
+             // 开发者可以对事件包中的事件打点数据进行自定义处理，此处是将事件打点数据打印在日志中
+             hilog.info(0x0000, 'testTag', `HiAppEvent eventPkg.packageId=%{public}d`, eventPkg.packageId);
+             hilog.info(0x0000, 'testTag', `HiAppEvent eventPkg.row=%{public}d`, eventPkg.row);
+             hilog.info(0x0000, 'testTag', `HiAppEvent eventPkg.size=%{public}d`, eventPkg.size);
+             for (const eventInfo of eventPkg.data) {
+               hilog.info(0x0000, 'testTag', `HiAppEvent eventPkg.info=%{public}s`, eventInfo);
+             }
+           }
+         }
+       });
+     }
    }
 
 2. 编辑工程中的“entry > src > main > ets  > pages > Index.ets” 文件，添加一个按钮并在其onClick函数中进行事件打点，以记录按钮点击事件，完整示例代码如下：
 
-   ```js
+   ```ts
+   import { BusinessError } from 'ohos.base'
    import hiAppEvent from '@ohos.hiviewdfx.hiAppEvent'
    import hilog from '@ohos.hilog'
    
@@ -111,7 +112,8 @@ HiAppEvent是在系统层面为应用开发者提供的一种事件打点机制
    
            Button("writeTest").onClick(()=>{
              // 在按钮点击函数中进行事件打点，以记录按钮点击事件
-             hiAppEvent.write({
+             let eventParams: Record<string, number> = { 'click_time': 100 };
+             let eventInfo: hiAppEvent.AppEventInfo = {
                // 事件领域定义
                domain: "button",
                // 事件名称定义
@@ -119,12 +121,13 @@ HiAppEvent是在系统层面为应用开发者提供的一种事件打点机制
                // 事件类型定义
                eventType: hiAppEvent.EventType.BEHAVIOR,
                // 事件参数定义
-               params: { click_time: 100 }
-             }).then(() => {
+               params: eventParams,
+             };
+             hiAppEvent.write(eventInfo).then(() => {
                hilog.info(0x0000, 'testTag', `HiAppEvent success to write event`)
-             }).catch((err) => {
+             }).catch((err: BusinessError) => {
                hilog.error(0x0000, 'testTag', `HiAppEvent err.code: ${err.code}, err.message: ${err.message}`)
-             })
+             });
            })
          }
          .width('100%')
@@ -137,15 +140,11 @@ HiAppEvent是在系统层面为应用开发者提供的一种事件打点机制
 3. 点击IDE界面中的运行按钮，运行应用工程，然后在应用界面中点击按钮“writeTest”，触发一次按钮点击事件打点。
 
 4. 最终，可以在Log窗口看到按钮点击事件打点成功的日志，以及触发订阅回调后对打点事件数据的处理日志：
-
-   ```js
-   HiAppEvent success to write event
-   
-   HiAppEvent eventPkg.packageId=0
-   HiAppEvent eventPkg.row=1
-   HiAppEvent eventPkg.size=124
-   HiAppEvent eventPkg.info={"domain_":"button","name_":"click","type_":4,"time_":1670268234523,"tz_":"+0800","pid_":3295,"tid_":3309,"click_time":100}
-   ```
+> HiAppEvent success to write event
+> HiAppEvent eventPkg.packageId=0
+> HiAppEvent eventPkg.row=1
+> HiAppEvent eventPkg.size=124
+> HiAppEvent eventPkg.info={"domain\_":"button","name\_":"click","type\_":4,"time\_":1670268234523,"tz\_":"+0800","pid\_":3295,"tid\_":3309,"click_time":100}
 
 ## 相关实例
 
diff --git a/zh-cn/application-dev/file-management/photoAccessHelper-notify-guidelines.md b/zh-cn/application-dev/file-management/photoAccessHelper-notify-guidelines.md
index a6568e442d847946af56ba3a189f0010c391569c..0a5f460ae3da0b97024ebd4d1cfe5986912c0a4c 100644
--- a/zh-cn/application-dev/file-management/photoAccessHelper-notify-guidelines.md
+++ b/zh-cn/application-dev/file-management/photoAccessHelper-notify-guidelines.md
@@ -33,29 +33,27 @@ photoAccessHelper提供监听媒体资源变更的接口，供开发者对指定
 
 ```ts
 import dataSharePredicates from '@ohos.data.dataSharePredicates';
-import photoAccessHelper from '@ohos.file.photoAccessHelper';
 
-let predicates: dataSharePredicates.DataSharePredicates = new dataSharePredicates.DataSharePredicates();
-predicates.equalTo(photoAccessHelper.ImageVideoKey.DISPLAY_NAME, 'test.jpg');
-let fetchOptions: photoAccessHelper.FetchOptions = {
-  fetchColumns: [],
-  predicates: predicates
-};
-
-try {
-  let fetchResult: photoAccessHelper.FetchResult<photoAccessHelper.PhotoAsset> = await phAccessHelper.getAssets(fetchOptions);
-  let fileAsset: photoAccessHelper.PhotoAsset = await fetchResult.getFirstObject();
-  console.info('getAssets fileAsset.uri : ' + fileAsset.uri);
-
-  let onCallback = (changeData:dataSharePredicates.ChangeData) => {
-    console.info('onCallback successfully, changData: ' + JSON.stringify(changeData));
+async function example() {
+  let predicates: dataSharePredicates.DataSharePredicates = new dataSharePredicates.DataSharePredicates();
+  predicates.equalTo(photoAccessHelper.PhotoKeys.DISPLAY_NAME, 'test.jpg');
+  let fetchOptions: photoAccessHelper.FetchOptions = {
+    fetchColumns: [],
+    predicates: predicates
+  };
+  try {
+    let fetchResult: photoAccessHelper.FetchResult<photoAccessHelper.PhotoAsset> = await phAccessHelper.getAssets(fetchOptions);
+    let fileAsset: photoAccessHelper.PhotoAsset = await fetchResult.getFirstObject();
+    console.info('getAssets fileAsset.uri : ' + fileAsset.uri);
+    let onCallback = (changeData: photoAccessHelper.ChangeData) => {
+      console.info('onCallback successfully, changData: ' + JSON.stringify(changeData));
+    }
+    phAccessHelper.registerChange(fileAsset.uri, false, onCallback);
+    await fileAsset.setFavorite(true);
+    fetchResult.close();
+  } catch (err) {
+    console.error('onCallback failed with err: ' + err);
   }
-  phAccessHelper.registerChange(fileAsset.uri, false, onCallback);
-
-  await fileAsset.favorite(true);
-  fetchResult.close();
-} catch (err) {
-  console.error('onCallback failed with err: ' + err);
 }
 ```
 
@@ -78,31 +76,31 @@ try {
 
 ```ts
 import dataSharePredicates from '@ohos.data.dataSharePredicates';
-import photoAccessHelper from '@ohos.file.photoAccessHelper';
 
-let predicates: dataSharePredicates.DataSharePredicates = new dataSharePredicates.DataSharePredicates();
-let albumName: photoAccessHelper.AlbumKeys = photoAccessHelper.AlbumKey.ALBUM_NAME;
-predicates.equalTo(albumName, 'albumName');
-let fetchOptions: dataSharePredicates.FetchOptions = {
-  fetchColumns: [],
-  predicates: predicates
-};
-
-try {
-  let fetchResult: photoAccessHelper.FetchResult<photoAccessHelper.Album> = await phAccessHelper.getAlbums(photoAccessHelper.AlbumType.USER, photoAccessHelper.AlbumSubtype.USER_GENERIC, fetchOptions);
-  let album: photoAccessHelper.Album = await fetchResult.getFirstObject();
-  console.info('getAlbums successfullyfully, albumName: ' + album.albumUri);
-
-  let onCallback = (changeData: photoAccessHelper.ChangeData) => {
-    console.info('onCallback successfully, changData: ' + JSON.stringify(changeData));
+async function example() {
+  let predicates: dataSharePredicates.DataSharePredicates = new dataSharePredicates.DataSharePredicates();
+  let albumName: photoAccessHelper.AlbumKeys = photoAccessHelper.AlbumKeys.ALBUM_NAME;
+  predicates.equalTo(albumName, 'albumName');
+  let fetchOptions: photoAccessHelper.FetchOptions = {
+    fetchColumns: [],
+    predicates: predicates
+  };
+
+  try {
+    let fetchResult: photoAccessHelper.FetchResult<photoAccessHelper.Album> = await phAccessHelper.getAlbums(photoAccessHelper.AlbumType.USER, photoAccessHelper.AlbumSubtype.USER_GENERIC, fetchOptions);
+    let album: photoAccessHelper.Album = await fetchResult.getFirstObject();
+    console.info('getAlbums successfullyfully, albumName: ' + album.albumUri);
+
+    let onCallback = (changeData: photoAccessHelper.ChangeData) => {
+      console.info('onCallback successfully, changData: ' + JSON.stringify(changeData));
+    }
+    phAccessHelper.registerChange(album.albumUri, false, onCallback);
+    album.albumName = 'newAlbumName' + Date.now();
+    await album.commitModify();
+    fetchResult.close();
+  } catch (err) {
+    console.error('onCallback failed with err: ' + err);
   }
-  phAccessHelper.registerChange(album.albumUri, false, onCallback);
-
-  album.albumName = 'newAlbumName' + Date.now();
-  await album.commitModify();
-  fetchResult.close();
-} catch (err) {
-  console.error('onCallback failed with err: ' + err);
 }
 ```
 
@@ -129,27 +127,26 @@ try {
 
 ```ts
 import dataSharePredicates from '@ohos.data.dataSharePredicates';
-import photoAccessHelper from '@ohos.file.photoAccessHelper';
 
-let onCallback = (changeData:  dataSharePredicates.ChangeData) => {
-  console.info('onCallback successfully, changData: ' + JSON.stringify(changeData));
-}
-phAccessHelper.registerChange(photoAccessHelper.DefaultChangeUri.DEFAULT_PHOTO_URI, true, onCallback);
-
-let predicates: dataSharePredicates.DataSharePredicates = new dataSharePredicates.DataSharePredicates();
-let fetchOptions: photoAccessHelper.FetchOptions = {
-  fetchColumns: [],
-  predicates: predicates
-};
-
-try {
-  let fetchResult: photoAccessHelper.FetchResult<photoAccessHelper.PhotoAsset> = await phAccessHelper.getAssets(fetchOptions);
-  let fileAsset: photoAccessHelper.PhotoAsset = await fetchResult.getFirstObject();
-  console.info('getAssets fileAsset.uri : ' + fileAsset.uri);
-  await fileAsset.favorite(true);
-  fetchResult.close();
-} catch (err) {
-  console.error('onCallback failed with err: ' + err);
+async function example() {
+  let onCallback = (changeData: photoAccessHelper.ChangeData) => {
+    console.info('onCallback successfully, changData: ' + JSON.stringify(changeData));
+  }
+  phAccessHelper.registerChange(photoAccessHelper.DefaultChangeUri.DEFAULT_PHOTO_URI, true, onCallback);
+  let predicates: dataSharePredicates.DataSharePredicates = new dataSharePredicates.DataSharePredicates();
+  let fetchOptions: photoAccessHelper.FetchOptions = {
+    fetchColumns: [],
+    predicates: predicates
+  };
+  try {
+    let fetchResult: photoAccessHelper.FetchResult<photoAccessHelper.PhotoAsset> = await phAccessHelper.getAssets(fetchOptions);
+    let fileAsset: photoAccessHelper.PhotoAsset = await fetchResult.getFirstObject();
+    console.info('getAssets fileAsset.uri : ' + fileAsset.uri);
+    await fileAsset.setFavorite(true);
+    fetchResult.close();
+  } catch (err) {
+    console.error('onCallback failed with err: ' + err);
+  }
 }
 ```
 
@@ -172,33 +169,31 @@ try {
 
 ```ts
 import dataSharePredicates from '@ohos.data.dataSharePredicates';
-import photoAccessHelper from '@ohos.file.photoAccessHelper';
-
-let predicates: dataSharePredicates.DataSharePredicates = new dataSharePredicates.DataSharePredicates();
-predicates.equalTo(photoAccessHelper.ImageVideoKey.DISPLAY_NAME, 'test.jpg');
-let fetchOptions: photoAccessHelper.FetchOptions = {
-  fetchColumns: [],
-  predicates: predicates
-};
-
-try {
-  let fetchResult: photoAccessHelper.FetchResult<photoAccessHelper.PhotoAsset> = await phAccessHelper.getAssets(fetchOptions);
-  let fileAsset: photoAccessHelper.PhotoAsset = await fetchResult.getFirstObject();
-  console.info('getAssets fileAsset.uri : ' + fileAsset.uri);
-
-  let onCallback1 = (changeData: photoAccessHelper.ChangeData) => {
-    console.info('onCallback1, changData: ' + JSON.stringify(changeData));
-  }
-  let onCallback2 = (changeData: photoAccessHelper.ChangeData) => {
-    console.info('onCallback2, changData: ' + JSON.stringify(changeData));
+
+async function example() {
+  let predicates: dataSharePredicates.DataSharePredicates = new dataSharePredicates.DataSharePredicates();
+  predicates.equalTo(photoAccessHelper.PhotoKeys.DISPLAY_NAME, 'test.jpg');
+  let fetchOptions: photoAccessHelper.FetchOptions = {
+    fetchColumns: [],
+    predicates: predicates
+  };
+  try {
+    let fetchResult: photoAccessHelper.FetchResult<photoAccessHelper.PhotoAsset> = await phAccessHelper.getAssets(fetchOptions);
+    let fileAsset: photoAccessHelper.PhotoAsset = await fetchResult.getFirstObject();
+    console.info('getAssets fileAsset.uri : ' + fileAsset.uri);
+    let onCallback1 = (changeData: photoAccessHelper.ChangeData) => {
+      console.info('onCallback1, changData: ' + JSON.stringify(changeData));
+    }
+    let onCallback2 = (changeData: photoAccessHelper.ChangeData) => {
+      console.info('onCallback2, changData: ' + JSON.stringify(changeData));
+    }
+    phAccessHelper.registerChange(fileAsset.uri, false, onCallback1);
+    phAccessHelper.registerChange(fileAsset.uri, false, onCallback2);
+    phAccessHelper.unRegisterChange(fileAsset.uri, onCallback1);
+    await fileAsset.setFavorite(true);
+    fetchResult.close();
+  } catch (err) {
+    console.error('onCallback failed with err: ' + err);
   }
-  phAccessHelper.registerChange(fileAsset.uri, false, onCallback1);
-  phAccessHelper.registerChange(fileAsset.uri, false, onCallback2);
-  phAccessHelper.unRegisterChange(fileAsset.uri, onCallback1);
-
-  await fileAsset.favorite(true);
-  fetchResult.close();
-} catch (err) {
-  console.error('onCallback failed with err: ' + err);
 }
 ```
diff --git a/zh-cn/application-dev/file-management/photoAccessHelper-overview.md b/zh-cn/application-dev/file-management/photoAccessHelper-overview.md
index 9ac3deb5f0c76597d9e78415669c40e7d0168bb1..6546d5c56a92465e6eca08704850ed3ea4297032 100644
--- a/zh-cn/application-dev/file-management/photoAccessHelper-overview.md
+++ b/zh-cn/application-dev/file-management/photoAccessHelper-overview.md
@@ -107,14 +107,12 @@ let phAccessHelper: photoAccessHelper.PhotoAccessHelper = photoAccessHelper.getP
   export default class EntryAbility extends UIAbility {
     onWindowStageCreate(windowStage) {
       let list : Array<Permissions> = ['ohos.permission.READ_IMAGEVIDEO', 'ohos.permission.WRITE_IMAGEVIDEO'];
-      let permissionRequestResult;
       let atManager: abilityAccessCtrl.AtManager = abilityAccessCtrl.createAtManager();
       atManager.requestPermissionsFromUser(this.context, list, (err, result) => {
         if (err) {
           console.error('requestPermissionsFromUserError: ' + JSON.stringify(err));
         } else {
-          permissionRequestResult = result;
-          console.info('permissionRequestResult: ' + JSON.stringify(permissionRequestResult));
+          console.info('permissionRequestResult: ' + JSON.stringify(result));
         }
       });
     }
diff --git a/zh-cn/application-dev/file-management/photoAccessHelper-resource-guidelines.md b/zh-cn/application-dev/file-management/photoAccessHelper-resource-guidelines.md
index a728ea8e283eebd21343551c0030731692ec5069..68c21f740e2a7d18e48da3a56dcf66f06183a7e5 100644
--- a/zh-cn/application-dev/file-management/photoAccessHelper-resource-guidelines.md
+++ b/zh-cn/application-dev/file-management/photoAccessHelper-resource-guidelines.md
@@ -27,34 +27,24 @@
 
 下面以查询文件名为'test.jpg'的图片资源为例。
 
-**开发步骤：**
-
-创建FetchOptions对象指定检索条件为检索文件名为'test.jpg'的图片。
-
 ```ts
 import dataSharePredicates from '@ohos.data.dataSharePredicates';
-import photoAccessHelper from '@ohos.file.photoAccessHelper';
-
-let predicates: dataSharePredicates.DataSharePredicates = new dataSharePredicates.DataSharePredicates();
-predicates.equalTo(photoAccessHelper.PhotoKeys.DISPLAY_NAME, 'test.jpg');
-let fetchOptions: photoAccessHelper.FetchOptions = {
-  fetchColumns: [],
-  predicates: predicates
-};
-```
 
-调用PhotoAccessHelper.getAssets接口获取图片资源。
-
-```ts
-import photoAccessHelper from '@ohos.file.photoAccessHelper';
-
-try {
-  let fetchResult: photoAccessHelper.FetchResult<photoAccessHelper.PhotoAsset> = await phAccessHelper.getAssets(fetchOptions);
-  let fileAsset: photoAccessHelper.PhotoAsset = await fetchResult.getFirstObject();
-  console.info('getAssets fileAsset.displayName : ' + fileAsset.displayName);
-  fetchResult.close();
-} catch (err) {
-  console.error('getAssets failed with err: ' + err);
+async function example() {
+  let predicates: dataSharePredicates.DataSharePredicates = new dataSharePredicates.DataSharePredicates();
+  predicates.equalTo(photoAccessHelper.PhotoKeys.DISPLAY_NAME, 'test.jpg');
+  let fetchOptions: photoAccessHelper.FetchOptions = {
+    fetchColumns: [],
+    predicates: predicates
+  };
+  try {
+    let fetchResult: photoAccessHelper.FetchResult<photoAccessHelper.PhotoAsset> = await phAccessHelper.getAssets(fetchOptions);
+    let fileAsset: photoAccessHelper.PhotoAsset = await fetchResult.getFirstObject();
+    console.info('getAssets fileAsset.displayName : ' + fileAsset.displayName);
+    fetchResult.close();
+  } catch (err) {
+    console.error('getAssets failed with err: ' + err);
+  }
 }
 ```
 
@@ -64,65 +54,53 @@ try {
 
 ```ts
 import dataSharePredicates from '@ohos.data.dataSharePredicates';
-import photoAccessHelper from '@ohos.file.photoAccessHelper';
-
-let predicates: dataSharePredicates.DataSharePredicates = new dataSharePredicates.DataSharePredicates();
-predicates.equalTo(photoAccessHelper.PhotoKeys.URI, 'file://media/Photo/1');
-let fetchOptions: photoAccessHelper.FetchOptions = {
-  fetchColumns: [],
-  predicates: predicates
-};
-```
 
-调用PhotoAccessHelper.getAssets接口获取图片资源。
+async function example() {
+  let predicates: dataSharePredicates.DataSharePredicates = new dataSharePredicates.DataSharePredicates();
+  predicates.equalTo(photoAccessHelper.PhotoKeys.URI, 'file://media/Photo/1');
+  let fetchOptions: photoAccessHelper.FetchOptions = {
+    fetchColumns: [],
+    predicates: predicates
+  };
 
-```ts
-import photoAccessHelper from '@ohos.file.photoAccessHelper';
-
-try {
-  let fetchResult: photoAccessHelper.FetchResult<photoAccessHelper.PhotoAsset> = await phAccessHelper.getAssets(fetchOptions);
-  let fileAsset: photoAccessHelper.PhotoAsset = await fetchResult.getFirstObject();
-  console.info('getAssets fileAsset.uri : ' + fileAsset.uri);
-  fetchResult.close();
-} catch (err) {
-  console.error('getAssets failed with err: ' + err);
+  try {
+    let fetchResult: photoAccessHelper.FetchResult<photoAccessHelper.PhotoAsset> = await phAccessHelper.getAssets(fetchOptions);
+    let fileAsset: photoAccessHelper.PhotoAsset = await fetchResult.getFirstObject();
+    console.info('getAssets fileAsset.uri : ' + fileAsset.uri);
+    fetchResult.close();
+  } catch (err) {
+    console.error('getAssets failed with err: ' + err);
+  }
 }
 ```
 
-
 ### 指定文件添加的时间获取图片或视频资源
 
 下面以查询指定添加时间为'2022-06-01'至'2023-06-01'这一年内为例。
 
 ```ts
 import dataSharePredicates from '@ohos.data.dataSharePredicates';
-import photoAccessHelper from '@ohos.file.photoAccessHelper';
-
-let predicates: dataSharePredicates.DataSharePredicates = new dataSharePredicates.DataSharePredicates();
-let startTime: Number = Date.parse(new Date('2022-06-01').toString()) / 1000; // The value of the start time is the number of seconds elapsed since the Epoch time.
-let endTime: Number = Date.parse(new Date('2023-06-01').toString()) / 1000;  // The value of the end time is the number of seconds elapsed since the Epoch time.
-let date_added: photoAccessHelper.PhotoKeys = photoAccessHelper.PhotoKeys.DATE_ADDED;
-predicates.between(date_added, startTime, endTime);
-predicates.orderByDesc(date_added); // Sort the obtained records in descending order.
-let fetchOptions: photoAccessHelper.FetchOptions = {
-  fetchColumns: [date_added], // The date_added attribute is not a default option and needs to be added.
-  predicates: predicates
-};
-```
-
-调用PhotoAccessHelper.getAssets接口获取图片资源。
 
-```ts
-import photoAccessHelper from '@ohos.file.photoAccessHelper';
-
-try {
-  let fetchResult: photoAccessHelper.FetchResult<photoAccessHelper.PhotoAsset> = await phAccessHelper.getAssets(fetchOptions);
-  console.info('getAssets count: ' + fetchResult.getCount());
-  let fileAsset: photoAccessHelper.PhotoAsset = await fetchResult.getFirstObject();
-  console.info('getAssets fileAsset.displayName : ' + fileAsset.displayName);
-  fetchResult.close();
-} catch (err) {
-  console.error('getAssets failed with err: ' + err);
+async function example() {
+  let predicates: dataSharePredicates.DataSharePredicates = new dataSharePredicates.DataSharePredicates();
+  let startTime = Date.parse(new Date('2022-06-01').toString()) / 1000; // 查询起始时间距1970年1月1日的秒数值。
+  let endTime = Date.parse(new Date('2023-06-01').toString()) / 1000;  // 查询结束时间距1970年1月1日的秒数值。
+  let date_added: photoAccessHelper.PhotoKeys = photoAccessHelper.PhotoKeys.DATE_ADDED;
+  predicates.between(date_added, startTime, endTime);
+  predicates.orderByDesc(date_added); // 查询结果按照降序排序。
+  let fetchOptions: photoAccessHelper.FetchOptions = {
+    fetchColumns: [date_added], // date_added属性不属于默认查询列，需要自行添加。
+    predicates: predicates
+  };
+  try {
+    let fetchResult: photoAccessHelper.FetchResult<photoAccessHelper.PhotoAsset> = await phAccessHelper.getAssets(fetchOptions);
+    console.info('getAssets count: ' + fetchResult.getCount());
+    let fileAsset: photoAccessHelper.PhotoAsset = await fetchResult.getFirstObject();
+    console.info('getAssets fileAsset.displayName : ' + fileAsset.displayName);
+    fetchResult.close();
+  } catch (err) {
+    console.error('getAssets failed with err: ' + err);
+  }
 }
 ```
 
@@ -151,26 +129,27 @@ try {
 
 ```ts
 import dataSharePredicates from '@ohos.data.dataSharePredicates';
-import photoAccessHelper from '@ohos.file.photoAccessHelper';
 import image from '@ohos.multimedia.image';
 
-let predicates: dataSharePredicates.DataSharePredicates = new dataSharePredicates.DataSharePredicates();
-let fetchOptions: photoAccessHelper.FetchOptions = {
-  fetchColumns: [],
-  predicates: predicates
-};
-
-try {
-  let fetchResult: photoAccessHelper.FetchResult<photoAccessHelper.PhotoAsset> = await phAccessHelper.getAssets(fetchOptions);
-  let fileAsset: photoAccessHelper.PhotoAsset = await fetchResult.getFirstObject();
-  console.info('getAssets fileAsset.displayName : ' + fileAsset.displayName);
-  let size: image.Size = { width: 720, height: 720 };
-  let pixelMap: image.PixelMap =  await fileAsset.getThumbnail(size);
-  let imageInfo: image.ImageInfo = await pixelMap.getImageInfo()
-  console.info('getThumbnail successful, pixelMap ImageInfo size: ' + JSON.stringify(imageInfo.size));
-  fetchResult.close();
-} catch (err) {
-  console.error('getThumbnail failed with err: ' + err);
+async function example() {
+  let predicates: dataSharePredicates.DataSharePredicates = new dataSharePredicates.DataSharePredicates();
+  let fetchOptions: photoAccessHelper.FetchOptions = {
+    fetchColumns: [],
+    predicates: predicates
+  };
+
+  try {
+    let fetchResult: photoAccessHelper.FetchResult<photoAccessHelper.PhotoAsset> = await phAccessHelper.getAssets(fetchOptions);
+    let fileAsset: photoAccessHelper.PhotoAsset = await fetchResult.getFirstObject();
+    console.info('getAssets fileAsset.displayName : ' + fileAsset.displayName);
+    let size: image.Size = { width: 720, height: 720 };
+    let pixelMap: image.PixelMap =  await fileAsset.getThumbnail(size);
+    let imageInfo: image.ImageInfo = await pixelMap.getImageInfo()
+    console.info('getThumbnail successful, pixelMap ImageInfo size: ' + JSON.stringify(imageInfo.size));
+    fetchResult.close();
+  } catch (err) {
+    console.error('getThumbnail failed with err: ' + err);
+  }
 }
 ```
 
@@ -193,18 +172,18 @@ try {
 2. 调用createAsset接口创建图片资源。
 
 ```ts
-import photoAccessHelper from '@ohos.file.photoAccessHelper';
-
-try {
-  let displayName: string = 'testPhoto' + Date.now() + '.jpg';
-  let createOption: photoAccessHelper.CreateOptions = {
-    subType: photoAccessHelper.PhotoSubtype.DEFAULT
-  };
-
-  let fileAsset: photoAccessHelper.photoAsset = await phAccessHelper.createAsset(displayName, createOption);
-  console.info('createAsset successfully, file displayName: ' + fileAsset.displayName);
-} catch (err) {
-  console.error('createAsset failed, message = ', err);
+async function example() {
+  try {
+    let displayName: string = 'testPhoto' + Date.now() + '.jpg';
+    let createOption: photoAccessHelper.PhotoCreateOptions = {
+      subtype: photoAccessHelper.PhotoSubtype.DEFAULT
+    };
+
+    let fileAsset: photoAccessHelper.PhotoAsset = await phAccessHelper.createAsset(displayName, createOption);
+    console.info('createAsset successfully, file displayName: ' + fileAsset.displayName);
+  } catch (err) {
+    console.error('createAsset failed, message = ', err);
+  }
 }
 ```
 
@@ -233,26 +212,27 @@ try {
 
 ```ts
 import dataSharePredicates from '@ohos.data.dataSharePredicates';
-import photoAccessHelper from '@ohos.file.photoAccessHelper';
-
-let predicates: dataSharePredicates.DataSharePredicates = new dataSharePredicates.DataSharePredicates();
-let fetchOptions: photoAccessHelper.FetchOptions = {
-  fetchColumns: ['title'],
-  predicates: predicates
-};
-let newTitle = 'newTestPhoto';
-
-try {
-  let fetchResult: photoAccessHelper.FetchResult<photoAccessHelper.PhotoAsset> = await phAccessHelper.getAssets(fetchOptions);
-  let fileAsset: photoAccessHelper.PhotoAsset = await fetchResult.getFirstObject();
-  let title: photoAccessHelper.PhotoKeys = photoAccessHelper.PhotoKeys.TITLE;
-  let fileAssetTitle: photoAccessHelper.MemberType = fileAsset.get(title);
-  console.info('getAssets fileAsset.title : ' + fileAssetTitle);
-  fileAsset.set(title, newTitle);
-  await fileAsset.commitModify();
-  fetchResult.close();
-} catch (err) {
-  console.error('commitModify failed with err: ' + err);
+
+async function example() {
+  let predicates: dataSharePredicates.DataSharePredicates = new dataSharePredicates.DataSharePredicates();
+  let fetchOptions: photoAccessHelper.FetchOptions = {
+    fetchColumns: ['title'],
+    predicates: predicates
+  };
+  let newTitle = 'newTestPhoto';
+
+  try {
+    let fetchResult: photoAccessHelper.FetchResult<photoAccessHelper.PhotoAsset> = await phAccessHelper.getAssets(fetchOptions);
+    let fileAsset: photoAccessHelper.PhotoAsset = await fetchResult.getFirstObject();
+    let title: photoAccessHelper.PhotoKeys = photoAccessHelper.PhotoKeys.TITLE;
+    let fileAssetTitle: photoAccessHelper.MemberType = fileAsset.get(title);
+    console.info('getAssets fileAsset.title : ' + fileAssetTitle);
+    fileAsset.set(title, newTitle);
+    await fileAsset.commitModify();
+    fetchResult.close();
+  } catch (err) {
+    console.error('commitModify failed with err: ' + err);
+  }
 }
 ```
 
@@ -278,21 +258,22 @@ try {
 
 ```ts
 import dataSharePredicates from '@ohos.data.dataSharePredicates';
-import photoAccessHelper from '@ohos.file.photoAccessHelper';
-
-let predicates: dataSharePredicates.DataSharePredicates = new dataSharePredicates.DataSharePredicates();
-let fetchOptions: photoAccessHelper.FetchOptions = {
-  fetchColumns: [],
-  predicates: predicates
-};
-
-try {
-  let fetchResult: photoAccessHelper.FetchResult<photoAccessHelper.PhotoAsset> = await phAccessHelper.getAssets(fetchOptions);
-  let fileAsset: photoAccessHelper.PhotoAsset = await fetchResult.getFirstObject();
-  console.info('getAssets fileAsset.uri : ' + fileAsset.uri);
-  await phAccessHelper.deleteAssets([fileAsset.uri]);
-  fetchResult.close();
-} catch (err) {
-  console.error('deleteAssets failed with err: ' + err);
+
+async function example() {
+  let predicates: dataSharePredicates.DataSharePredicates = new dataSharePredicates.DataSharePredicates();
+  let fetchOptions: photoAccessHelper.FetchOptions = {
+    fetchColumns: [],
+    predicates: predicates
+  };
+
+  try {
+    let fetchResult: photoAccessHelper.FetchResult<photoAccessHelper.PhotoAsset> = await phAccessHelper.getAssets(fetchOptions);
+    let fileAsset: photoAccessHelper.PhotoAsset = await fetchResult.getFirstObject();
+    console.info('getAssets fileAsset.uri : ' + fileAsset.uri);
+    await phAccessHelper.deleteAssets([fileAsset.uri]);
+    fetchResult.close();
+  } catch (err) {
+    console.error('deleteAssets failed with err: ' + err);
+  }
 }
 ```
diff --git a/zh-cn/application-dev/file-management/photoAccessHelper-systemAlbum-guidelines.md b/zh-cn/application-dev/file-management/photoAccessHelper-systemAlbum-guidelines.md
index 11fdee073158b8bddb39d5c8736ef63cad4e37a1..18c3c2b7352d1a48066316be58f7244955a68acb 100644
--- a/zh-cn/application-dev/file-management/photoAccessHelper-systemAlbum-guidelines.md
+++ b/zh-cn/application-dev/file-management/photoAccessHelper-systemAlbum-guidelines.md
@@ -29,15 +29,15 @@ photoAccessHelper仅提供开发者对收藏夹、视频相册、截屏和录屏
 2. 调用getAlbums接口获取收藏夹对象。
 
 ```ts
-import photoAccessHelper from '@ohos.file.photoAccessHelper';
-
-try {
-  let fetchResult: photoAccessHelper.FetchResult<photoAccessHelper.Album> = await phAccessHelper.getAlbums(photoAccessHelper.AlbumType.SYSTEM, photoAccessHelper.AlbumSubtype.FAVORITE);
-  let album: photoAccessHelper.Album = await fetchResult.getFirstObject();
-  console.info('get favorite Album successfully, albumUri: ' + album.albumUri);
-  fetchResult.close();
-} catch (err) {
-  console.error('get favorite Album failed with err: ' + err);
+async function example() {
+  try {
+    let fetchResult: photoAccessHelper.FetchResult<photoAccessHelper.Album> = await phAccessHelper.getAlbums(photoAccessHelper.AlbumType.SYSTEM, photoAccessHelper.AlbumSubtype.FAVORITE);
+    let album: photoAccessHelper.Album = await fetchResult.getFirstObject();
+    console.info('get favorite Album successfully, albumUri: ' + album.albumUri);
+    fetchResult.close();
+  } catch (err) {
+    console.error('get favorite Album failed with err: ' + err);
+  }
 }
 ```
 
@@ -60,23 +60,24 @@ try {
 
 ```ts
 import dataSharePredicates from '@ohos.data.dataSharePredicates';
-import photoAccessHelper from '@ohos.file.photoAccessHelper';
-
-let predicates: dataSharePredicates.DataSharePredicates = new dataSharePredicates.DataSharePredicates();
-predicates.equalTo(photoAccessHelper.ImageVideoKey.DISPLAY_NAME, 'test.jpg');
-let fetchOptions: photoAccessHelper.FetchOptions = {
-  fetchColumns: [],
-  predicates: predicates
-};
-
-try {
-  let photoFetchResult: photoAccessHelper.FetchResult<photoAccessHelper.PhotoAsset> = await phAccessHelper.getAssets(fetchOptions);
-  let fileAsset: photoAccessHelper.PhotoAsset = await photoFetchResult.getFirstObject();
-  console.info('getAssets fileAsset.displayName : ' + fileAsset.displayName);
-  let favoriteState = true;
-  await fileAsset.setFavorite(favoriteState);
-} catch (err) {
-  console.error('setFavorite failed with err: ' + err);
+
+async function example() {
+  let predicates: dataSharePredicates.DataSharePredicates = new dataSharePredicates.DataSharePredicates();
+  predicates.equalTo(photoAccessHelper.PhotoKeys.DISPLAY_NAME, 'test.jpg');
+  let fetchOptions: photoAccessHelper.FetchOptions = {
+    fetchColumns: [],
+    predicates: predicates
+  };
+
+  try {
+    let photoFetchResult: photoAccessHelper.FetchResult<photoAccessHelper.PhotoAsset> = await phAccessHelper.getAssets(fetchOptions);
+    let fileAsset: photoAccessHelper.PhotoAsset = await photoFetchResult.getFirstObject();
+    console.info('getAssets fileAsset.displayName : ' + fileAsset.displayName);
+    let favoriteState = true;
+    await fileAsset.setFavorite(favoriteState);
+  } catch (err) {
+    console.error('setFavorite failed with err: ' + err);
+  }
 }
 ```
 
@@ -100,26 +101,27 @@ try {
 
 ```ts
 import dataSharePredicates from '@ohos.data.dataSharePredicates';
-import photoAccessHelper from '@ohos.file.photoAccessHelper';
-
-let predicates: dataSharePredicates.DataSharePredicates = new dataSharePredicates.DataSharePredicates();
-let fetchOptions: photoAccessHelper.FetchOptions = {
-  fetchColumns: [],
-  predicates: predicates
-};
-
-try {
-  let albumFetchResult: photoAccessHelper.FetchResult<photoAccessHelper.Album> = await phAccessHelper.getAlbums(photoAccessHelper.AlbumType.SYSTEM, photoAccessHelper.AlbumSubtype.FAVORITE);
-  let album: photoAccessHelper.Album = await albumFetchResult.getFirstObject();
-  console.info('get favorite Album successfully, albumUri: ' + album.albumUri);
-
-  let photoFetchResult: photoAccessHelper.FetchResult<photoAccessHelper.PhotoAsset> = await album.getAssets(fetchOptions);
-  let fileAsset: photoAccessHelper.PhotoAsset = await photoFetchResult.getFirstObject();
-  console.info('favorite album getAssets successfully, albumName: ' + fileAsset.displayName);
-  photoFetchResult.close();
-  albumFetchResult.close();
-} catch (err) {
-  console.error('favorite failed with err: ' + err);
+
+async function example() {
+  let predicates: dataSharePredicates.DataSharePredicates = new dataSharePredicates.DataSharePredicates();
+  let fetchOptions: photoAccessHelper.FetchOptions = {
+    fetchColumns: [],
+    predicates: predicates
+  };
+
+  try {
+    let albumFetchResult: photoAccessHelper.FetchResult<photoAccessHelper.Album> = await phAccessHelper.getAlbums(photoAccessHelper.AlbumType.SYSTEM, photoAccessHelper.AlbumSubtype.FAVORITE);
+    let album: photoAccessHelper.Album = await albumFetchResult.getFirstObject();
+    console.info('get favorite Album successfully, albumUri: ' + album.albumUri);
+
+    let photoFetchResult: photoAccessHelper.FetchResult<photoAccessHelper.PhotoAsset> = await album.getAssets(fetchOptions);
+    let fileAsset: photoAccessHelper.PhotoAsset = await photoFetchResult.getFirstObject();
+    console.info('favorite album getAssets successfully, albumName: ' + fileAsset.displayName);
+    photoFetchResult.close();
+    albumFetchResult.close();
+  } catch (err) {
+    console.error('favorite failed with err: ' + err);
+  }
 }
 ```
 
@@ -143,28 +145,29 @@ try {
 
 ```ts
 import dataSharePredicates from '@ohos.data.dataSharePredicates';
-import photoAccessHelper from '@ohos.file.photoAccessHelper';
-
-let predicates: dataSharePredicates.DataSharePredicates = new dataSharePredicates.DataSharePredicates();
-let fetchOptions: photoAccessHelper.FetchOptions = {
-  fetchColumns: [],
-  predicates: predicates
-};
-
-try {
-  let albumFetchResult: photoAccessHelper.FetchResult<photoAccessHelper.Album> = await phAccessHelper.getAlbums(photoAccessHelper.AlbumType.SYSTEM, photoAccessHelper.AlbumSubtype.FAVORITE);
-  let album: photoAccessHelper.Album = await albumFetchResult.getFirstObject();
-  console.info('get favorite Album successfully, albumUri: ' + album.albumUri);
-
-  let photoFetchResult: photoAccessHelper.FetchResult<photoAccessHelper.PhotoAsset> = await album.getAssets(fetchOptions);
-  let fileAsset: photoAccessHelper.PhotoAsset = await photoFetchResult.getFirstObject();
-  console.info('favorite album getAssets successfully, albumName: ' + fileAsset.displayName);
-  let favoriteState = false;
-  await fileAsset.setFavorite(favoriteState);
-  photoFetchResult.close();
-  albumFetchResult.close();
-} catch (err) {
-  console.error('setFavorite failed with err: ' + err);
+
+async function example() {
+  let predicates: dataSharePredicates.DataSharePredicates = new dataSharePredicates.DataSharePredicates();
+  let fetchOptions: photoAccessHelper.FetchOptions = {
+    fetchColumns: [],
+    predicates: predicates
+  };
+
+  try {
+    let albumFetchResult: photoAccessHelper.FetchResult<photoAccessHelper.Album> = await phAccessHelper.getAlbums(photoAccessHelper.AlbumType.SYSTEM, photoAccessHelper.AlbumSubtype.FAVORITE);
+    let album: photoAccessHelper.Album = await albumFetchResult.getFirstObject();
+    console.info('get favorite Album successfully, albumUri: ' + album.albumUri);
+
+    let photoFetchResult: photoAccessHelper.FetchResult<photoAccessHelper.PhotoAsset> = await album.getAssets(fetchOptions);
+    let fileAsset: photoAccessHelper.PhotoAsset = await photoFetchResult.getFirstObject();
+    console.info('favorite album getAssets successfully, albumName: ' + fileAsset.displayName);
+    let favoriteState = false;
+    await fileAsset.setFavorite(favoriteState);
+    photoFetchResult.close();
+    albumFetchResult.close();
+  } catch (err) {
+    console.error('setFavorite failed with err: ' + err);
+  }
 }
 ```
 
@@ -187,15 +190,15 @@ try {
 2. 调用getAlbums接口获取视频相册。
 
 ```ts
-import photoAccessHelper from '@ohos.file.photoAccessHelper';
-
-try {
-  let fetchResult: photoAccessHelper.FetchResult<photoAccessHelper.Album> = await phAccessHelper.getAlbums(photoAccessHelper.AlbumType.SYSTEM, photoAccessHelper.AlbumSubtype.VIDEO);
-  let album: photoAccessHelper.Album = await fetchResult.getFirstObject();
-  console.info('get video Album successfully, albumUri: ' + album.albumUri);
-  fetchResult.close();
-} catch (err) {
-  console.error('get video Album failed with err: ' + err);
+async function example() {
+  try {
+    let fetchResult: photoAccessHelper.FetchResult<photoAccessHelper.Album> = await phAccessHelper.getAlbums(photoAccessHelper.AlbumType.SYSTEM, photoAccessHelper.AlbumSubtype.VIDEO);
+    let album: photoAccessHelper.Album = await fetchResult.getFirstObject();
+    console.info('get video Album successfully, albumUri: ' + album.albumUri);
+    fetchResult.close();
+  } catch (err) {
+    console.error('get video Album failed with err: ' + err);
+  }
 }
 ```
 
@@ -219,26 +222,27 @@ try {
 
 ```ts
 import dataSharePredicates from '@ohos.data.dataSharePredicates';
-import photoAccessHelper from '@ohos.file.photoAccessHelper';
-
-let predicates: dataSharePredicates.DataSharePredicates = new dataSharePredicates.DataSharePredicates();
-let fetchOptions: photoAccessHelper.FetchOptions = {
-  fetchColumns: [],
-  predicates: predicates
-};
-
-try {
-  let albumFetchResult: photoAccessHelper.FetchResult<photoAccessHelper.Album> = await phAccessHelper.getAlbums(photoAccessHelper.AlbumType.SYSTEM, photoAccessHelper.AlbumSubtype.VIDEO);
-  let album: photoAccessHelper.Album = await albumFetchResult.getFirstObject();
-  console.info('get video Album successfully, albumUri: ' + album.albumUri);
-
-  let videoFetchResult: photoAccessHelper.FetchResult<photoAccessHelper.PhotoAsset> = await album.getAssets(fetchOptions);
-  let fileAsset: photoAccessHelper.PhotoAsset = await videoFetchResult.getFirstObject();
-  console.info('video album getAssets successfully, albumName: ' + fileAsset.displayName);
-  videoFetchResult.close();
-  albumFetchResult.close();
-} catch (err) {
-  console.error('video failed with err: ' + err);
+
+async function example() {
+  let predicates: dataSharePredicates.DataSharePredicates = new dataSharePredicates.DataSharePredicates();
+  let fetchOptions: photoAccessHelper.FetchOptions = {
+    fetchColumns: [],
+    predicates: predicates
+  };
+
+  try {
+    let albumFetchResult: photoAccessHelper.FetchResult<photoAccessHelper.Album> = await phAccessHelper.getAlbums(photoAccessHelper.AlbumType.SYSTEM, photoAccessHelper.AlbumSubtype.VIDEO);
+    let album: photoAccessHelper.Album = await albumFetchResult.getFirstObject();
+    console.info('get video Album successfully, albumUri: ' + album.albumUri);
+
+    let videoFetchResult: photoAccessHelper.FetchResult<photoAccessHelper.PhotoAsset> = await album.getAssets(fetchOptions);
+    let fileAsset: photoAccessHelper.PhotoAsset = await videoFetchResult.getFirstObject();
+    console.info('video album getAssets successfully, albumName: ' + fileAsset.displayName);
+    videoFetchResult.close();
+    albumFetchResult.close();
+  } catch (err) {
+    console.error('video failed with err: ' + err);
+  }
 }
 ```
 
@@ -261,15 +265,15 @@ try {
 2. 调用getAlbums接口获取截屏和录屏相册。
 
 ```ts
-import photoAccessHelper from '@ohos.file.photoAccessHelper';
-
-try {
-  let fetchResult: photoAccessHelper.FetchResult<photoAccessHelper.Album> = await phAccessHelper.getAlbums(photoAccessHelper.AlbumType.SYSTEM, photoAccessHelper.AlbumSubtype.SCREENSHOT);
-  let album: photoAccessHelper.Album = await fetchResult.getFirstObject();
-  console.info('get screenshot Album successfully, albumUri: ' + album.albumUri);
-  fetchResult.close();
-} catch (err) {
-  console.error('get screenshot Album failed with err: ' + err);
+async function example() {
+  try {
+    let fetchResult: photoAccessHelper.FetchResult<photoAccessHelper.Album> = await phAccessHelper.getAlbums(photoAccessHelper.AlbumType.SYSTEM, photoAccessHelper.AlbumSubtype.SCREENSHOT);
+    let album: photoAccessHelper.Album = await fetchResult.getFirstObject();
+    console.info('get screenshot Album successfully, albumUri: ' + album.albumUri);
+    fetchResult.close();
+  } catch (err) {
+    console.error('get screenshot Album failed with err: ' + err);
+  }
 }
 ```
 
@@ -293,25 +297,26 @@ try {
 
 ```ts
 import dataSharePredicates from '@ohos.data.dataSharePredicates';
-import photoAccessHelper from '@ohos.file.photoAccessHelper';
-
-let predicates: dataSharePredicates.DataSharePredicates = new dataSharePredicates.DataSharePredicates();
-let fetchOptions: photoAccessHelper.FetchOptions = {
-  fetchColumns: [],
-  predicates: predicates
-};
-
-try {
-  let albumFetchResult: photoAccessHelper.FetchResult<photoAccessHelper.Album> = await phAccessHelper.getAlbums(photoAccessHelper.AlbumType.SYSTEM, photoAccessHelper.AlbumSubtype.SCREENSHOT);
-  let album: photoAccessHelper.Album = await albumFetchResult.getFirstObject();
-  console.info('get screenshot album successfully, albumUri: ' + album.albumUri);
-
-  let screenshotFetchResult: photoAccessHelper.FetchResult<photoAccessHelper.PhotoAsset> = await album.getAssets(fetchOptions);
-  let fileAsset: photoAccessHelper.PhotoAsset = await screenshotFetchResult.getFirstObject();
-  console.info('screenshot album getAssets successfully, albumName: ' + fileAsset.displayName);
-  screenshotFetchResult.close();
-  albumFetchResult.close();
-} catch (err) {
-  console.error('screenshot album failed with err: ' + err);
+
+async function example() {
+  let predicates: dataSharePredicates.DataSharePredicates = new dataSharePredicates.DataSharePredicates();
+  let fetchOptions: photoAccessHelper.FetchOptions = {
+    fetchColumns: [],
+    predicates: predicates
+  };
+
+  try {
+    let albumFetchResult: photoAccessHelper.FetchResult<photoAccessHelper.Album> = await phAccessHelper.getAlbums(photoAccessHelper.AlbumType.SYSTEM, photoAccessHelper.AlbumSubtype.SCREENSHOT);
+    let album: photoAccessHelper.Album = await albumFetchResult.getFirstObject();
+    console.info('get screenshot album successfully, albumUri: ' + album.albumUri);
+
+    let screenshotFetchResult: photoAccessHelper.FetchResult<photoAccessHelper.PhotoAsset> = await album.getAssets(fetchOptions);
+    let fileAsset: photoAccessHelper.PhotoAsset = await screenshotFetchResult.getFirstObject();
+    console.info('screenshot album getAssets successfully, albumName: ' + fileAsset.displayName);
+    screenshotFetchResult.close();
+    albumFetchResult.close();
+  } catch (err) {
+    console.error('screenshot album failed with err: ' + err);
+  }
 }
 ```
diff --git a/zh-cn/application-dev/file-management/photoAccessHelper-userAlbum-guidelines.md b/zh-cn/application-dev/file-management/photoAccessHelper-userAlbum-guidelines.md
index 4ab3997cb988e3e05895c8b4c79595e307d940b4..5206f5cde46589440d7577c93439b30b9c583b5d 100644
--- a/zh-cn/application-dev/file-management/photoAccessHelper-userAlbum-guidelines.md
+++ b/zh-cn/application-dev/file-management/photoAccessHelper-userAlbum-guidelines.md
@@ -34,14 +34,14 @@ photoAccessHelper提供用户相册相关的接口，供开发者创建、删除
 2. 调用createAlbum接口创建相册。
 
 ```ts
-import photoAccessHelper from '@ohos.file.photoAccessHelper';
-
-try {
-  let albumName = 'albumName';
-  let album: photoAccessHelper.Album = await phAccessHelper.createAlbum(albumName);
-  console.info('createAlbum successfully, album: ' + album.albumName + ' album uri: ' + album.albumUri);
-} catch (err) {
-  console.error('createAlbum failed with err: ' + err);
+async function example() {
+  try {
+    let albumName = 'albumName';
+    let album: photoAccessHelper.Album = await phAccessHelper.createAlbum(albumName);
+    console.info('createAlbum successfully, album: ' + album.albumName + ' album uri: ' + album.albumUri);
+  } catch (err) {
+    console.error('createAlbum failed with err: ' + err);
+  }
 }
 ```
 
@@ -64,23 +64,24 @@ try {
 
 ```ts
 import dataSharePredicates from '@ohos.data.dataSharePredicates';
-import photoAccessHelper from '@ohos.file.photoAccessHelper';
-
-let predicates: dataSharePredicates.DataSharePredicates = new dataSharePredicates.DataSharePredicates();
-let albumName: photoAccessHelper.ALBUM_NAME = photoAccessHelper.AlbumKey.ALBUM_NAME;
-predicates.equalTo(albumName, 'albumName');
-let fetchOptions: photoAccessHelper.FetchOptions = {
-  fetchColumns: [],
-  predicates: predicates
-};
-
-try {
-  let fetchResult: photoAccessHelper.FetchResult<photoAccessHelper.Album> = await phAccessHelper.getAlbums(photoAccessHelper.AlbumType.USER, photoAccessHelper.AlbumSubtype.USER_GENERIC, fetchOptions);
-  let album: photoAccessHelper.Album = await fetchResult.getFirstObject();
-  console.info('getAlbums successfully, albumName: ' + album.albumName);
-  fetchResult.close();
-} catch (err) {
-  console.error('getAlbums failed with err: ' + err);
+
+async function example() {
+  let predicates: dataSharePredicates.DataSharePredicates = new dataSharePredicates.DataSharePredicates();
+  let albumName: photoAccessHelper.AlbumKeys = photoAccessHelper.AlbumKeys.ALBUM_NAME;
+  predicates.equalTo(albumName, 'albumName');
+  let fetchOptions: photoAccessHelper.FetchOptions = {
+    fetchColumns: [],
+    predicates: predicates
+  };
+
+  try {
+    let fetchResult: photoAccessHelper.FetchResult<photoAccessHelper.Album> = await phAccessHelper.getAlbums(photoAccessHelper.AlbumType.USER, photoAccessHelper.AlbumSubtype.USER_GENERIC, fetchOptions);
+    let album: photoAccessHelper.Album = await fetchResult.getFirstObject();
+    console.info('getAlbums successfully, albumName: ' + album.albumName);
+    fetchResult.close();
+  } catch (err) {
+    console.error('getAlbums failed with err: ' + err);
+  }
 }
 ```
 
@@ -111,25 +112,26 @@ try {
 
 ```ts
 import dataSharePredicates from '@ohos.data.dataSharePredicates';
-import photoAccessHelper from '@ohos.file.photoAccessHelper';
-
-let predicates: dataSharePredicates.DataSharePredicates = new dataSharePredicates.DataSharePredicates();
-let albumName: photoAccessHelper.AlbumKey.ALBUM_NAME = photoAccessHelper.AlbumKey.ALBUM_NAME;
-predicates.equalTo(albumName, 'albumName');
-let fetchOptions: photoAccessHelper.FetchOptions = {
-  fetchColumns: [],
-  predicates: predicates
-};
-
-try {
-  let fetchResult: photoAccessHelper.FetchResult<photoAccessHelper.Album> = await phAccessHelper.getAlbums(photoAccessHelper.AlbumType.USER, photoAccessHelper.AlbumSubtype.USER_GENERIC, fetchOptions);
-  let album: photoAccessHelper.Album = await fetchResult.getFirstObject();
-  console.info('getAlbums successfully, albumName: ' + album.albumName);
-  album.albumName = 'newAlbumName';
-  await album.commitModify();
-  fetchResult.close();
-} catch (err) {
-  console.error('commitModify failed with err: ' + err);
+
+async function example() {
+  let predicates: dataSharePredicates.DataSharePredicates = new dataSharePredicates.DataSharePredicates();
+  let albumName: photoAccessHelper.AlbumKeys = photoAccessHelper.AlbumKeys.ALBUM_NAME;
+  predicates.equalTo(albumName, 'albumName');
+  let fetchOptions: photoAccessHelper.FetchOptions = {
+    fetchColumns: [],
+    predicates: predicates
+  };
+
+  try {
+    let fetchResult: photoAccessHelper.FetchResult<photoAccessHelper.Album> = await phAccessHelper.getAlbums(photoAccessHelper.AlbumType.USER, photoAccessHelper.AlbumSubtype.USER_GENERIC, fetchOptions);
+    let album: photoAccessHelper.Album = await fetchResult.getFirstObject();
+    console.info('getAlbums successfully, albumName: ' + album.albumName);
+    album.albumName = 'newAlbumName';
+    await album.commitModify();
+    fetchResult.close();
+  } catch (err) {
+    console.error('commitModify failed with err: ' + err);
+  }
 }
 ```
 
@@ -156,34 +158,35 @@ try {
 
 ```ts
 import dataSharePredicates from '@ohos.data.dataSharePredicates';
-import photoAccessHelper from '@ohos.file.photoAccessHelper';
-
-let albumPredicates: dataSharePredicates.DataSharePredicates = new dataSharePredicates.DataSharePredicates();
-let albumName: photoAccessHelper.AlbumKey.ALBUM_NAME = photoAccessHelper.AlbumKey.ALBUM_NAME;
-albumPredicates.equalTo(albumName, 'albumName');
-let albumFetchOptions: dataSharePredicates.FetchOptions = {
-  fetchColumns: [],
-  predicates: albumPredicates
-};
-
-let photoPredicates: dataSharePredicates.DataSharePredicates = new dataSharePredicates.DataSharePredicates();
-let photoFetchOptions: photoAccessHelper.FetchOptions = {
-  fetchColumns: [],
-  predicates: photoPredicates
-};
-
-try {
-  let albumFetchResult: photoAccessHelper.FetchResult<photoAccessHelper.Album> = await phAccessHelper.getAlbums(photoAccessHelper.AlbumType.USER, photoAccessHelper.AlbumSubtype.USER_GENERIC, albumFetchOptions);
-  let album: photoAccessHelper.Album = await albumFetchResult.getFirstObject();
-  console.info('getAlbums successfully, albumName: ' + album.albumName);
-  let photoFetchResult: photoAccessHelper.FetchResult<photoAccessHelper.PhotoAsset> = await phAccessHelper.getAssets(photoFetchOptions);
-  let fileAsset: photoAccessHelper.PhotoAsset = await photoFetchResult.getFirstObject();
-  console.info('getAssets successfully, albumName: ' + fileAsset.displayName);
-  await album.addAssets([fileAsset]);
-  albumFetchResult.close();
-  photoFetchResult.close();
-} catch (err) {
-  console.error('addAssets failed with err: ' + err);
+
+async function example() {
+  let albumPredicates: dataSharePredicates.DataSharePredicates = new dataSharePredicates.DataSharePredicates();
+  let albumName: photoAccessHelper.AlbumKeys = photoAccessHelper.AlbumKeys.ALBUM_NAME;
+  albumPredicates.equalTo(albumName, 'albumName');
+  let albumFetchOptions: photoAccessHelper.FetchOptions = {
+    fetchColumns: [],
+    predicates: albumPredicates
+  };
+
+  let photoPredicates: dataSharePredicates.DataSharePredicates = new dataSharePredicates.DataSharePredicates();
+  let photoFetchOptions: photoAccessHelper.FetchOptions = {
+    fetchColumns: [],
+    predicates: photoPredicates
+  };
+
+  try {
+    let albumFetchResult: photoAccessHelper.FetchResult<photoAccessHelper.Album> = await phAccessHelper.getAlbums(photoAccessHelper.AlbumType.USER, photoAccessHelper.AlbumSubtype.USER_GENERIC, albumFetchOptions);
+    let album: photoAccessHelper.Album = await albumFetchResult.getFirstObject();
+    console.info('getAlbums successfully, albumName: ' + album.albumName);
+    let photoFetchResult: photoAccessHelper.FetchResult<photoAccessHelper.PhotoAsset> = await phAccessHelper.getAssets(photoFetchOptions);
+    let fileAsset: photoAccessHelper.PhotoAsset = await photoFetchResult.getFirstObject();
+    console.info('getAssets successfully, albumName: ' + fileAsset.displayName);
+    await album.addAssets([fileAsset]);
+    albumFetchResult.close();
+    photoFetchResult.close();
+  } catch (err) {
+    console.error('addAssets failed with err: ' + err);
+  }
 }
 ```
 
@@ -209,33 +212,34 @@ try {
 
 ```ts
 import dataSharePredicates from '@ohos.data.dataSharePredicates';
-import photoAccessHelper from '@ohos.file.photoAccessHelper';
-
-let albumPredicates: dataSharePredicates.DataSharePredicates = new dataSharePredicates.DataSharePredicates();
-let albumName = photoAccessHelper.AlbumKey.ALBUM_NAME;
-albumPredicates.equalTo(albumName, 'albumName');
-let albumFetchOptions: photoAccessHelper.FetchOptions = {
-  fetchColumns: [],
-  predicates: albumPredicates
-};
-
-let photoPredicates: dataSharePredicates.DataSharePredicates = new dataSharePredicates.DataSharePredicates();
-let photoFetchOptions: photoAccessHelper.FetchOptions = {
-  fetchColumns: [],
-  predicates: photoPredicates
-};
-
-try {
-  let albumFetchResult: photoAccessHelper.FetchResult<photoAccessHelper.Album> = await phAccessHelper.getAlbums(photoAccessHelper.AlbumType.USER, photoAccessHelper.AlbumSubtype.USER_GENERIC, albumFetchOptions);
-  let album: photoAccessHelper.Album = await albumFetchResult.getFirstObject();
-  console.info('getAlbums successfully, albumName: ' + album.albumName);
-  let photoFetchResult = await album.getAssets(photoFetchOptions);
-  let fileAsset = await photoFetchResult.getFirstObject();
-  console.info('album getAssets successfully, albumName: ' + fileAsset.displayName);
-  albumFetchResult.close();
-  photoFetchResult.close();
-} catch (err) {
-  console.error('album getAssets failed with err: ' + err);
+
+async function example() {
+  let albumPredicates: dataSharePredicates.DataSharePredicates = new dataSharePredicates.DataSharePredicates();
+  let albumName: photoAccessHelper.AlbumKeys = photoAccessHelper.AlbumKeys.ALBUM_NAME;
+  albumPredicates.equalTo(albumName, 'albumName');
+  let albumFetchOptions: photoAccessHelper.FetchOptions = {
+    fetchColumns: [],
+    predicates: albumPredicates
+  };
+
+  let photoPredicates: dataSharePredicates.DataSharePredicates = new dataSharePredicates.DataSharePredicates();
+  let photoFetchOptions: photoAccessHelper.FetchOptions = {
+    fetchColumns: [],
+    predicates: photoPredicates
+  };
+
+  try {
+    let albumFetchResult: photoAccessHelper.FetchResult<photoAccessHelper.Album> = await phAccessHelper.getAlbums(photoAccessHelper.AlbumType.USER, photoAccessHelper.AlbumSubtype.USER_GENERIC, albumFetchOptions);
+    let album: photoAccessHelper.Album = await albumFetchResult.getFirstObject();
+    console.info('getAlbums successfully, albumName: ' + album.albumName);
+    let photoFetchResult = await album.getAssets(photoFetchOptions);
+    let fileAsset = await photoFetchResult.getFirstObject();
+    console.info('album getAssets successfully, albumName: ' + fileAsset.displayName);
+    albumFetchResult.close();
+    photoFetchResult.close();
+  } catch (err) {
+    console.error('album getAssets failed with err: ' + err);
+  }
 }
 ```
 
@@ -264,34 +268,35 @@ try {
 
 ```ts
 import dataSharePredicates from '@ohos.data.dataSharePredicates';
-import photoAccessHelper from '@ohos.file.photoAccessHelper';
-
-let albumPredicates: dataSharePredicates.DataSharePredicates = new dataSharePredicates.DataSharePredicates();
-let albumName: photoAccessHelper.AlbumKey.ALBUM_NAME = photoAccessHelper.AlbumKey.ALBUM_NAME;
-albumPredicates.equalTo(albumName, 'albumName');
-let albumFetchOptions: photoAccessHelper.FetchOptions = {
-  fetchColumns: [],
-  predicates: albumPredicates
-};
-
-let photoPredicates: dataSharePredicates.DataSharePredicates = new dataSharePredicates.DataSharePredicates();
-let photoFetchOptions: photoAccessHelper.FetchOptions = {
-  fetchColumns: [],
-  predicates: photoPredicates
-};
-
-try {
-  let albumFetchResult: photoAccessHelper.FetchResult<photoAccessHelper.Album> = await phAccessHelper.getAlbums(photoAccessHelper.AlbumType.USER, photoAccessHelper.AlbumSubtype.USER_GENERIC, albumFetchOptions);
-  let album: photoAccessHelper.Album = await albumFetchResult.getFirstObject();
-  console.info('getAlbums successfully, albumName: ' + album.albumName);
-  let photoFetchResult = await album.getAssets(photoFetchOptions);
-  let fileAsset = await photoFetchResult.getFirstObject();
-  console.info('album getAssets successfully, albumName: ' + fileAsset.displayName);
-  await album.removeAssets([fileAsset]);
-  albumFetchResult.close();
-  photoFetchResult.close();
-} catch (err) {
-  console.error('removeAssets failed with err: ' + err);
+
+async function example() {
+  let albumPredicates: dataSharePredicates.DataSharePredicates = new dataSharePredicates.DataSharePredicates();
+  let albumName: photoAccessHelper.AlbumKeys = photoAccessHelper.AlbumKeys.ALBUM_NAME;
+  albumPredicates.equalTo(albumName, 'albumName');
+  let albumFetchOptions: photoAccessHelper.FetchOptions = {
+    fetchColumns: [],
+    predicates: albumPredicates
+  };
+
+  let photoPredicates: dataSharePredicates.DataSharePredicates = new dataSharePredicates.DataSharePredicates();
+  let photoFetchOptions: photoAccessHelper.FetchOptions = {
+    fetchColumns: [],
+    predicates: photoPredicates
+  };
+
+  try {
+    let albumFetchResult: photoAccessHelper.FetchResult<photoAccessHelper.Album> = await phAccessHelper.getAlbums(photoAccessHelper.AlbumType.USER, photoAccessHelper.AlbumSubtype.USER_GENERIC, albumFetchOptions);
+    let album: photoAccessHelper.Album = await albumFetchResult.getFirstObject();
+    console.info('getAlbums successfully, albumName: ' + album.albumName);
+    let photoFetchResult = await album.getAssets(photoFetchOptions);
+    let fileAsset = await photoFetchResult.getFirstObject();
+    console.info('album getAssets successfully, albumName: ' + fileAsset.displayName);
+    await album.removeAssets([fileAsset]);
+    albumFetchResult.close();
+    photoFetchResult.close();
+  } catch (err) {
+    console.error('removeAssets failed with err: ' + err);
+  }
 }
 ```
 
@@ -315,23 +320,24 @@ try {
 
 ```ts
 import dataSharePredicates from '@ohos.data.dataSharePredicates';
-import photoAccessHelper from '@ohos.file.photoAccessHelper';
-
-let predicates: dataSharePredicates.DataSharePredicates = new dataSharePredicates.DataSharePredicates();
-let albumName: photoAccessHelper.AlbumKey.ALBUM_NAME = photoAccessHelper.AlbumKey.ALBUM_NAME;
-predicates.equalTo(albumName, '%albumName%');
-let fetchOptions: photoAccessHelper.FetchOptions = {
-  fetchColumns: [],
-  predicates: predicates
-};
-
-try {
-  let fetchResult: photoAccessHelper.FetchResult<photoAccessHelper.Album> = await phAccessHelper.getAlbums(photoAccessHelper.AlbumType.USER, photoAccessHelper.AlbumSubtype.USER_GENERIC, fetchOptions);
-  let album: photoAccessHelper.Album = await fetchResult.getFirstObject();
-  console.info('getAlbums successfully, albumName: ' + album.albumName);
-  phAccessHelper.deleteAlbums([album]);
-  fetchResult.close();
-} catch (err) {
-  console.error('deleteAlbums failed with err: ' + err);
+
+async function example() {
+  let predicates: dataSharePredicates.DataSharePredicates = new dataSharePredicates.DataSharePredicates();
+  let albumName: photoAccessHelper.AlbumKeys = photoAccessHelper.AlbumKeys.ALBUM_NAME;
+  predicates.equalTo(albumName, '%albumName%');
+  let fetchOptions: photoAccessHelper.FetchOptions = {
+    fetchColumns: [],
+    predicates: predicates
+  };
+
+  try {
+    let fetchResult: photoAccessHelper.FetchResult<photoAccessHelper.Album> = await phAccessHelper.getAlbums(photoAccessHelper.AlbumType.USER, photoAccessHelper.AlbumSubtype.USER_GENERIC, fetchOptions);
+    let album: photoAccessHelper.Album = await fetchResult.getFirstObject();
+    console.info('getAlbums successfully, albumName: ' + album.albumName);
+    phAccessHelper.deleteAlbums([album]);
+    fetchResult.close();
+  } catch (err) {
+    console.error('deleteAlbums failed with err: ' + err);
+  }
 }
 ```
diff --git a/zh-cn/application-dev/media/Readme-CN.md b/zh-cn/application-dev/media/Readme-CN.md
index b4dd333e70bfad8a72214ef3b87db4a49fc28e00..0c3491b48c7067adac93aa0d83641b3fecac54cb 100755
--- a/zh-cn/application-dev/media/Readme-CN.md
+++ b/zh-cn/application-dev/media/Readme-CN.md
@@ -63,7 +63,7 @@
     - [拍照实现方案](camera-shooting-case.md)
     - [录像实现方案](camera-recording-case.md)
     - [使用人像模式拍照](camera-mode.md)
-    - [双路预览](dual-channel-preview.md)
+    - [双路预览](camera-dual-channel-preview.md)
     - [性能提升方案（仅对系统应用开放）](camera-performance-improvement.md)
 - 图片
   - [图片开发概述](image-overview.md)
diff --git a/zh-cn/application-dev/media/audio-effect-management.md b/zh-cn/application-dev/media/audio-effect-management.md
index 414fb2aa9f7936a9ef8bedbb2698fd1bb0879f61..1f28fa95e80e1336a3e7550890aba9639043d7e0 100644
--- a/zh-cn/application-dev/media/audio-effect-management.md
+++ b/zh-cn/application-dev/media/audio-effect-management.md
@@ -6,52 +6,55 @@
 
 主要包括查询和设置当前音频播放流的音效模式，音效模式包括EFFECT_NONE关闭音效模式和EFFECT_DEFAULT默认音效模式。默认音效模式会根据创建音频流的ContentType和StreamUsage自动加载对应场景的音效。
 
-### 获取播放实例（示例代码仅支持JS格式）
+### 获取播放实例
 
 管理播放实例音效的接口是getAudioEffectMode()查询当前音频播放流的音效模式和setAudioEffectMode(mode: AudioEffectMode)设置当前音频播放流的音效模式，在使用之前，需要使用createAudioRenderer(options: AudioRendererOptions)先创建音频播放流AudioRenderer实例。
 
 1. 步骤一：导入音频接口。
 
-  ```js
+  ```ts
   import audio from '@ohos.multimedia.audio';
   ```
 
 2. 步骤二：配置音频渲染参数并创建AudioRenderer实例，音频渲染参数的详细信息可以查看[AudioRendererOptions](../reference/apis/js-apis-audio.md#audiorendereroptions8)，创建AudioRenderer实例时会默认挂载EFFECT_DEFAULT模式音效。
 
-  ```js
-  let audioStreamInfo = {
+  ```ts
+  import audio from '@ohos.multimedia.audio';
+  import { BusinessError } from '@ohos.base';  
+  let audioStreamInfo: audio.AudioStreamInfo = {
     samplingRate: audio.AudioSamplingRate.SAMPLE_RATE_44100,
     channels: audio.AudioChannel.CHANNEL_1,
     sampleFormat: audio.AudioSampleFormat.SAMPLE_FORMAT_S16LE,
     encodingType: audio.AudioEncodingType.ENCODING_TYPE_RAW
   };
 
-  let audioRendererInfo = {
+  let audioRendererInfo: audio.AudioRendererInfo = {
     content: audio.ContentType.CONTENT_TYPE_SPEECH,
     usage: audio.StreamUsage.STREAM_USAGE_VOICE_COMMUNICATION,
     rendererFlags: 0
   };
 
-  let audioRendererOptions = {
+  let audioRendererOptions: audio.AudioRendererOptions = {
     streamInfo: audioStreamInfo,
     rendererInfo: audioRendererInfo
   };
 
-  audio.createAudioRenderer(audioRendererOptions, (err, data) => {
+  audio.createAudioRenderer(audioRendererOptions, (err: BusinessError, data: audio.AudioRenderer) => {
     if (err) {
       console.error(`Invoke createAudioRenderer failed, code is ${err.code}, message is ${err.message}`);
       return;
     } else {
       console.info('Invoke createAudioRenderer succeeded.');
-      let audioRenderer = data;
+      let audioRenderer: audio.AudioRenderer = data;
     }
   });
   ```
 
-### 查询当前播放实例的音效模式（示例代码仅支持JS格式）
+### 查询当前播放实例的音效模式
 
-  ```js
-  audioRenderer.getAudioEffectMode((err, effectmode) => {
+  ```ts
+  import { BusinessError } from '@ohos.base';  
+  audioRenderer.getAudioEffectMode((err: BusinessError, effectmode: audio.AudioEffectMode) => {
     if (err) {
       console.error(`Failed to get params, code is ${err.code}, message is ${err.message}`);
       return;    
@@ -61,12 +64,13 @@
   });
   ```
 
-### 设置当前播放实例的音效模式（示例代码仅支持JS格式）
+### 设置当前播放实例的音效模式
 
 关闭系统音效：
 
-  ```js
-  audioRenderer.setAudioEffectMode(audio.AudioEffectMode.EFFECT_NONE, (err) => {
+  ```ts
+  import { BusinessError } from '@ohos.base';  
+  audioRenderer.setAudioEffectMode(audio.AudioEffectMode.EFFECT_NONE, (err: BusinessError) => {
     if (err) {
       console.error(`Failed to set params, code is ${err.code}, message is ${err.message}`);
       return;
@@ -78,8 +82,9 @@
 
 开启系统音效默认模式：
 
-  ```js
-  audioRenderer.setAudioEffectMode(audio.AudioEffectMode.EFFECT_DEFAULT, (err) => {
+  ```ts
+  import { BusinessError } from '@ohos.base';  
+  audioRenderer.setAudioEffectMode(audio.AudioEffectMode.EFFECT_DEFAULT, (err: BusinessError) => {
     if (err) {
       console.error(`Failed to set params, code is ${err.code}, message is ${err.message}`);
       return;
@@ -94,20 +99,21 @@
 主要包括全局音效查询相应StreamUsage对应场景的音效模式。
 对于播放音频类的应用，开发者需要关注该应用的音频流使用什么音效模式并做出相应的操作，比如音乐App播放时，应选择音乐场景下的模式。在使用查询接口前，开发者需要使用getStreamManager()创建一个AudioStreamManager音频流管理实例。
 
-### 获取音频流管理接口（示例代码仅支持JS格式）
+### 获取音频流管理接口
 
 1.创建AudioStreamManager实例。在使用AudioStreamManager的API前，需要使用getStreamManager()创建一个AudioStreamManager实例。
 
-   ```js
+   ```ts
    import audio from '@ohos.multimedia.audio';
    let audioManager = audio.getAudioManager();
    let audioStreamManager = audioManager.getStreamManager();
    ```
 
-### 查询对应场景的音效模式（示例代码仅支持JS格式）
+### 查询对应场景的音效模式
 
-  ```js
-  audioStreamManager.getAudioEffectInfoArray(audio.StreamUsage.STREAM_USAGE_MEDIA, async (err, audioEffectInfoArray) => {
+  ```ts
+  import { BusinessError } from '@ohos.base';  
+  audioStreamManager.getAudioEffectInfoArray(audio.StreamUsage.STREAM_USAGE_MEDIA, async (err: BusinessError, audioEffectInfoArray: audio.AudioEffectInfoArray) => {
     if (err) {
       console.error('Failed to get effect info array');
       return;    
diff --git a/zh-cn/application-dev/media/camera-dual-channel-preview.md b/zh-cn/application-dev/media/camera-dual-channel-preview.md
index bc37733fd0a32d9a26c31e208b494535fbf014dd..c2f688032cb235c7e41831aa47f3bb4d9862dd8b 100644
--- a/zh-cn/application-dev/media/camera-dual-channel-preview.md
+++ b/zh-cn/application-dev/media/camera-dual-channel-preview.md
@@ -23,23 +23,25 @@
 
    创建双路预览流的SurfaceId，除XComponent组件的SurfaceId外，还需要使用ImageReceiver组件创建生成的SurfaceId，需要使用image模块提供的接口。
 
-   ```js
+   ```ts
    import image from '@ohos.multimedia.image';
    ```
 
 2. 创建ImageReceiver组件Surface。
 
-   ```js
-   function getImageReceiverSurfaceId() {
-       let receiver = image.createImageReceiver(640, 480, 4, 8);
-       console.info('before ImageReceiver check');
-       if (receiver !== undefined) {
-         console.info('ImageReceiver is ok');
-         let ImageReceiverSurfaceId = receiver.getReceivingSurfaceId();
-         console.info('ImageReceived id: ' + JSON.stringify(ImageReceiverSurfaceId));
-       } else {
-         console.info('ImageReceiver is not ok');
-       }
+   ```ts
+   async function getImageReceiverSurfaceId(): Promise<string> {
+     let receiver: image.ImageReceiver = image.createImageReceiver(640, 480, 4, 8);
+     console.info('before ImageReceiver check');
+     let ImageReceiverSurfaceId: string;
+     if (receiver !== undefined) {
+       console.info('ImageReceiver is ok');
+       let ImageReceiverSurfaceId: string = await receiver.getReceivingSurfaceId();
+       console.info(`ImageReceived id: ${ImageReceiverSurfaceId}`);
+     } else {
+       console.info('ImageReceiver is not ok');
+     }
+     return ImageReceiverSurfaceId;
    }
    ```
 
@@ -47,27 +49,33 @@
 
    可参考[相机预览指导文档](camera-preview.md)。
 
-   ```js
+   ```ets
+   //xxx.ets
    // 创建XComponentController 
-   mXComponentController: XComponentController = new XComponentController;                   
-   build() {
+   @Component
+   struct XComponentPage {
+     // 创建XComponentController
+     mXComponentController: XComponentController = new XComponentController;
+   
+     build() {
        Flex() {
-           // 创建XComponent
-           XComponent({                                                                     
-               id: '',
-               type: 'surface',
-               libraryname: '',
-               controller: this.mXComponentController
-           })
-           .onLoad(() => {                                                                  
-               // 设置Surface宽高（1920*1080），预览尺寸设置参考前面 previewProfilesArray 获取的当前设备所支持的预览分辨率大小去设置
-               this.mXComponentController.setXComponentSurfaceSize({surfaceWidth:1920,surfaceHeight:1080});
-               // 获取Surface ID
-               globalThis.XComponentsurfaceId = this.mXComponentController.getXComponentSurfaceId();
+         // 创建XComponent
+         XComponent({
+           id: '',
+           type: 'surface',
+           libraryname: '',
+           controller: this.mXComponentController
+         })
+           .onLoad(() => {
+             // 设置Surface宽高（1920*1080），预览尺寸设置参考前面 previewProfilesArray 获取的当前设备所支持的预览分辨率大小去设置
+             this.mXComponentController.setXComponentSurfaceSize({surfaceWidth:1920,surfaceHeight:1080});
+             // 获取Surface ID
+             let surfaceId: string = this.mXComponentController.getXComponentSurfaceId();
            })
-           .width('100%')                                                                 
-           .height('100%')                                                                
+           .width('1920px')
+           .height('1080px')
        }
+     }
    }
    ```
 
@@ -75,83 +83,84 @@
 
    将步骤2、3生成的两路SurfaceId通过createPreviewOutput方法传递到相机服务，创建两路预览流，其余流程按照正常预览流程开发。
 
-   ```js
-   let cameraManager = camera.getCameraManager(globalThis.abilityContext);
-   let CamerasDevices = cameraManager.getSupportedCameras(); // 获取支持的相机设备对象
-
-   // 正常写法通过下面方式获取实际情况下的profile对象
-   // let profiles = await this.cameraManager.getSupportedOutputCapability(CamerasDevices[cameraDeviceIndex]); // 获取对应相机设备profiles
-   // let previewProfiles = profiles.previewProfiles;
-
-   // 预览流1
-   let previewProfilesObj: camera.Profile;
-   previewProfilesObj.size.width = 640;
-   previewProfilesObj.size.height = 480;
-   previewProfilesObj.format = 3;
-
-   // 预览流2
-   let previewProfilesObj2: camera.Profile;
-   previewProfilesObj2.size.width = 640;
-   previewProfilesObj2.size.height = 480;
-   previewProfilesObj2.format = 3;
-
-   // 创建 预览流1 输出对象
-   let previewOutput = cameraManager.createPreviewOutput(previewProfilesObj, XComponentsurfaceId);
-
-   // 创建 预览流2 输出对象
-   let imageReceiverSurfaceId: string = await this.mReceiver.getReceivingSurfaceId();
-   let previewOutput2 = cameraManager.createPreviewOutput(previewProfilesObj2, imageReceiverSurfaceId);
-
-   // 创建cameraInput输出对象
-   let cameraInput = cameraManager.createCameraInput(CamerasDevices[cameraDeviceIndex]);
-
-   // 打开相机
-   await cameraInput.open();
-
-   // 会话流程
-   let captureSession = await cameraManager.createCaptureSession();
-
-   // 开始配置会话
-   captureSession.beginConfig();
-
-   // 把CameraInput加入到会话
-   captureSession.addInput(cameraInput);
-
-   // 把 预览流1 加入到会话
-   captureSession.addOutput(previewOutput)
-
-   // 把 预览流2 加入到会话
-   captureSession.addOutput(previewOutput2);
-
-   // 提交配置信息
-   await captureSession.commitConfig();
-
-   // 会话开始
-   await captureSession.start();
+   ```ts
+   import camera from '@ohos.multimedia.camera';
+
+   async function createDualChannelPreview(cameraManager: camera.CameraManager, XComponentSurfaceId: string, receiver: image.ImageReceiver): Promise<void> {
+     let camerasDevices: Array<camera.CameraDevice> = cameraManager.getSupportedCameras(); // 获取支持的相机设备对象
+   
+     // 获取profile对象
+     let profiles: camera.CameraOutputCapability = await this.cameraManager.getSupportedOutputCapability(camerasDevices[0]); // 获取对应相机设备profiles
+     let previewProfiles: Array<camera.Profile> = profiles.previewProfiles;
+   
+     // 预览流1
+     let previewProfilesObj: camera.Profile = previewProfiles[0];
+   
+     // 预览流2
+     let previewProfilesObj2: camera.Profile = previewProfiles[0];
+   
+     // 创建 预览流1 输出对象
+     let previewOutput: camera.PreviewOutput = cameraManager.createPreviewOutput(previewProfilesObj, XComponentSurfaceId);
+   
+     // 创建 预览流2 输出对象
+     let imageReceiverSurfaceId: string = await receiver.getReceivingSurfaceId();
+     let previewOutput2: camera.PreviewOutput = cameraManager.createPreviewOutput(previewProfilesObj2, imageReceiverSurfaceId);
+   
+     // 创建cameraInput对象
+     let cameraInput: camera.CameraInput = cameraManager.createCameraInput(camerasDevices[0]);
+   
+     // 打开相机
+     await cameraInput.open();
+   
+     // 会话流程
+     let captureSession: camera.CaptureSession = cameraManager.createCaptureSession();
+   
+     // 开始配置会话
+     captureSession.beginConfig();
+   
+     // 把CameraInput加入到会话
+     captureSession.addInput(cameraInput);
+   
+     // 把 预览流1 加入到会话
+     captureSession.addOutput(previewOutput)
+   
+     // 把 预览流2 加入到会话
+     captureSession.addOutput(previewOutput2);
+   
+     // 提交配置信息
+     await captureSession.commitConfig();
+   
+     // 会话开始
+     await captureSession.start();
+   }
    ```
 
 5. 通过ImageReceiver实时获取预览图像。
 
    通过ImageReceiver组件中imageArrival事件监听获取底层返回的图像数据，详细的API说明请参考[Image API参考](../reference/apis/js-apis-image.md)。
 
-   ```js
-   this.receiver.on('imageArrival', () => {
-       this.receiver.readNextImage((err, nextImage: image.Image) => {
-           if (err || nextImage === undefined) {
-               return;
-           }
-           nextImage.getComponent(image.ComponentType.JPEG, (errMsg, img) => {
-           if (errMsg || img === undefined) {
-               return;
+   ```ts
+   import { BusinessError } from '@ohos.base';
+
+   function onImageArrival(receiver: image.ImageReceiver): void {
+     receiver.on('imageArrival', () => {
+       receiver.readNextImage((err: BusinessError, nextImage: image.Image) => {
+         if (err || nextImage === undefined) {
+           return;
+         }
+         nextImage.getComponent(image.ComponentType.JPEG, (err: BusinessError, imgComponent: image.Component) => {
+           if (err || imgComponent === undefined) {
+             return;
            }
-           let buffer;
-           if (img.byteBuffer) {
-               buffer = img.byteBuffer;
+           let buffer: ArrayBuffer;
+           if (imgComponent.byteBuffer) {
+             buffer = imgComponent.byteBuffer;
            } else {
-               return;
+             return;
            }
            // do something...;
-           })
+         })
        })
-   })
+     })
+   }
    ```
diff --git a/zh-cn/application-dev/media/image-transformation-native.md b/zh-cn/application-dev/media/image-transformation-native.md
index 1a685f64995ede4febff56e62471f5e237c0ff49..dde48f8602933598ef6a98e448e9c3da9cfbb6dd 100644
--- a/zh-cn/application-dev/media/image-transformation-native.md
+++ b/zh-cn/application-dev/media/image-transformation-native.md
@@ -108,7 +108,7 @@
     @Component
     struct Index {
     @State message: string = 'IMAGE'
-    @State _PixelMap: image.PixelMap = undefined
+    @State _PixelMap : image.PixelMap | undefined = undefined;
 
     build() {
         Row() {
@@ -117,10 +117,10 @@
             .fontSize(50)
             .fontWeight(FontWeight.Bold)
             .onClick(() => {
-                const color = new ArrayBuffer(96);
-                let opts = { alphaType: 0, editable: true, pixelFormat: 4, scaleMode: 1, size: { height: 4, width: 6 } }
+                const color : ArrayBuffer = new ArrayBuffer(96);
+                let opts: image.InitializationOptions = { alphaType: 0, editable: true, pixelFormat: 4, scaleMode: 1, size: { height: 4, width: 6 } }
                 image.createPixelMap(color, opts)
-                .then( pixelmap => {
+                .then( (pixelmap : image.PixelMap) => {
                     this._PixelMap = pixelmap;
                 })
 
diff --git a/zh-cn/application-dev/napi/drawing-guidelines.md b/zh-cn/application-dev/napi/drawing-guidelines.md
index 1a2a473509f039b13a5affe9ecb6847b77fbee81..2c65e7981d4541741d520d10e5547f11b18968d4 100644
--- a/zh-cn/application-dev/napi/drawing-guidelines.md
+++ b/zh-cn/application-dev/napi/drawing-guidelines.md
@@ -35,7 +35,7 @@ Native Drawing模块提供了一系列的接口用于基本图形和字体的绘
 
 ## 2D图形绘制开发步骤
 
-以下步骤描述了在**OpenHarmony**如何使用 **Native Drawing** 模块的画布画笔绘制一个基本的2D图形：
+以下步骤描述了如何使用 **Native Drawing** 模块的画布画笔绘制一个基本的2D图形：
 
 1. **创建Bitmap实例**。使用 **drawing_bitmap.h** 的 **OH_Drawing_BitmapCreate** 接口创建一个Bitmap实例 **cBitmap**，并使用 **OH_Drawing_BitmapBuild** 指定其长宽大小和像素格式。
 
@@ -137,7 +137,7 @@ Native Drawing模块提供了一系列的接口用于基本图形和字体的绘
 
 ## 文本绘制开发步骤
 
-以下步骤描述了在OpenHarmony中，如何使用**Native Drawing**模块的文字显示功能：
+以下步骤描述了如何使用**Native Drawing**模块的文字显示功能：
 1. **创建画布和bitmap实例**。
 
     ```c++
diff --git a/zh-cn/application-dev/napi/mindspore-lite-guidelines.md b/zh-cn/application-dev/napi/mindspore-lite-guidelines.md
index f0a2a4db4bf4653a1e9cf57f4d775b6aa6e45522..dc189e94acab9d6b5722914bce4b6f4d78145257 100644
--- a/zh-cn/application-dev/napi/mindspore-lite-guidelines.md
+++ b/zh-cn/application-dev/napi/mindspore-lite-guidelines.md
@@ -265,8 +265,8 @@ int GenerateInputDataWithRandom(OH_AI_TensorHandleArray inputs) {
 
 2. 运行。
 
-    - 使用hdc_std连接rk3568开发板，并将demo和mobilenetv2.ms推送到设备中的相同目录。
-    - 使用hdc_std shell进入开发板，并进入demo所在的目录执行如下命令，即可得到结果。
+    - 使用hdc_std连接设备，并将demo和mobilenetv2.ms推送到设备中的相同目录。
+    - 使用hdc_std shell进入设备，并进入demo所在的目录执行如下命令，即可得到结果。
 
     ```shell
     ./demo mobilenetv2.ms
diff --git a/zh-cn/application-dev/napi/native-buffer-guidelines.md b/zh-cn/application-dev/napi/native-buffer-guidelines.md
index 59309b082a1f4781240f08eeb21e84ee973bbfd3..7af175b902f6209242112d0e14cc97dfd76398af 100644
--- a/zh-cn/application-dev/napi/native-buffer-guidelines.md
+++ b/zh-cn/application-dev/napi/native-buffer-guidelines.md
@@ -2,7 +2,7 @@
 
 ## 场景介绍
 
-NativeBuffer是`OpenHarmony`提供**共享内存**的模块。开发者可以通过`NativeBuffer`接口实现共享内存的申请、使用、属性查询、释放等操作。
+NativeBuffer是提供**共享内存**的模块。开发者可以通过`NativeBuffer`接口实现共享内存的申请、使用、属性查询、释放等操作。
 针对NativeBuffer，常见的开发场景如下：
 
 * 通过`NativeBuffer`提供的Native API接口申请`OH_NativeBuffer`实例，获取内存的属性信息，把对应的ION内存映射到进程空间。
@@ -23,7 +23,7 @@ NativeBuffer是`OpenHarmony`提供**共享内存**的模块。开发者可以通
 
 ## 开发步骤
 
-以下步骤描述了在**OpenHarmony**中如何使用`NativeBuffer`提供的Native API接口，创建`OH_NativeBuffer`实例获取内存的属性信息，并把对应的ION内存映射到进程空间。
+以下步骤描述了如何使用`NativeBuffer`提供的Native API接口，创建`OH_NativeBuffer`实例获取内存的属性信息，并把对应的ION内存映射到进程空间。
 
 **添加动态链接库**
 
diff --git a/zh-cn/application-dev/napi/native-image-guidelines.md b/zh-cn/application-dev/napi/native-image-guidelines.md
index c9608b8543235f62099288126d6488427e6135e2..db907bd005b61e3590b8c97de7943604c81d92cb 100644
--- a/zh-cn/application-dev/napi/native-image-guidelines.md
+++ b/zh-cn/application-dev/napi/native-image-guidelines.md
@@ -2,7 +2,7 @@
 
 ## 场景介绍
 
-NativeImage是`OpenHarmony`提供**Surface关联OpenGL外部纹理**的模块，表示图形队列的消费者端。开发者可以通过`NativeImage`接口接收和使用`Buffer`，并将`Buffer`关联输出到OpenGL外部纹理。
+NativeImage是提供**Surface关联OpenGL外部纹理**的模块，表示图形队列的消费者端。开发者可以通过`NativeImage`接口接收和使用`Buffer`，并将`Buffer`关联输出到OpenGL外部纹理。
 针对NativeImage，常见的开发场景如下：
 
 * 通过`NativeImage`提供的Native API接口创建`NativeImage`实例作为消费者端，获取与该实例对应的`NativeWindow`作为生产者端。`NativeWindow`相关接口可用于填充`Buffer`内容并提交，`NativeImage`将`Buffer`内容更新到OpenGL外部纹理上。本模块需要配合NativeWindow、NativeBuffer、EGL、GLES3模块一起使用。
@@ -24,7 +24,7 @@ NativeImage是`OpenHarmony`提供**Surface关联OpenGL外部纹理**的模块，
 
 ## 开发步骤
 
-以下步骤描述了在**OpenHarmony**中如何使用`NativeImage`提供的Native API接口，创建`OH_NativeImage`实例作为消费者端，将数据内容更新到OpenGL外部纹理上。
+以下步骤描述了如何使用`NativeImage`提供的Native API接口，创建`OH_NativeImage`实例作为消费者端，将数据内容更新到OpenGL外部纹理上。
 
 **添加动态链接库**
 
diff --git a/zh-cn/application-dev/napi/native-vsync-guidelines.md b/zh-cn/application-dev/napi/native-vsync-guidelines.md
index 9e0c68bd95332241dba2dec9d94552b6f216dbcb..4d48e15d2cfe4507b6c5a200825771343cea05a9 100644
--- a/zh-cn/application-dev/napi/native-vsync-guidelines.md
+++ b/zh-cn/application-dev/napi/native-vsync-guidelines.md
@@ -17,7 +17,7 @@ NativeVsync模块用来获取系统VSync信号，提供了OH_NativeVSync实例
 
 ## 开发步骤
 
-以下步骤描述了在**OpenHarmony**中如何使用`NativeVsync`提供的Native API接口，创建和销毁`OH_NativeVsync`实例，以及如何设置VSync回调函数。
+以下步骤描述了如何使用`NativeVsync`提供的Native API接口，创建和销毁`OH_NativeVsync`实例，以及如何设置VSync回调函数。
 
 **添加动态链接库**
 
diff --git a/zh-cn/application-dev/napi/native-window-guidelines.md b/zh-cn/application-dev/napi/native-window-guidelines.md
index acdfedde2aea97e7e7c95372ff2e295696ec8323..8b86276da19eae3aa3fbc3ec0020cee611d1b0a4 100644
--- a/zh-cn/application-dev/napi/native-window-guidelines.md
+++ b/zh-cn/application-dev/napi/native-window-guidelines.md
@@ -2,7 +2,7 @@
 
 ## 场景介绍
 
-NativeWindow是`OpenHarmony`**本地平台化窗口**，表示图形队列的生产者端。开发者可以通过`NativeWindow`接口进行申请和提交`Buffer`，配置`Buffer`属性信息。
+NativeWindow是**本地平台化窗口**，表示图形队列的生产者端。开发者可以通过`NativeWindow`接口进行申请和提交`Buffer`，配置`Buffer`属性信息。
 针对NativeWindow，常见的开发场景如下：
 
 * 通过`NativeWindow`提供的Native API接口申请图形`Buffer`，并将生产图形内容写入图形`Buffer`，最终提交`Buffer`到图形队列
@@ -20,7 +20,7 @@ NativeWindow是`OpenHarmony`**本地平台化窗口**，表示图形队列的生
 
 ## 开发步骤
 
-以下步骤描述了在**OpenHarmony**中如何使用`NativeWindow`提供的Native API接口，申请图形`Buffer`，并将生产图形内容写入图形`Buffer`后，最终提交`Buffer`到图形队列。
+以下步骤描述了如何使用`NativeWindow`提供的Native API接口，申请图形`Buffer`，并将生产图形内容写入图形`Buffer`后，最终提交`Buffer`到图形队列。
 
 **添加动态链接库**
 
diff --git a/zh-cn/application-dev/napi/neural-network-runtime-guidelines.md b/zh-cn/application-dev/napi/neural-network-runtime-guidelines.md
index bdde437188c2cc9a9da8ddbdcb2b2eec1056c61b..d05f540dd98779e89b1fa587a6f3b71288e536f5 100644
--- a/zh-cn/application-dev/napi/neural-network-runtime-guidelines.md
+++ b/zh-cn/application-dev/napi/neural-network-runtime-guidelines.md
@@ -19,7 +19,7 @@ Neural Network Runtime部件的环境要求如下：
 - 开发环境：Ubuntu 18.04及以上。
 - 接入设备：OpenHarmony定义的标准设备，并且系统中内置的硬件加速器驱动，已通过HDI接口对接Neural Network Runtime。
 
-由于Neural Network Runtime通过OpenHarmony Native API对外开放，需要通过OpenHarmony的Native开发套件编译Neural Network Runtime应用。
+由于Neural Network Runtime通过Native API对外开放，需要通过Native开发套件编译Neural Network Runtime应用。
 
 ### 环境搭建
 
diff --git a/zh-cn/application-dev/napi/usb-ddk-guidelines.md b/zh-cn/application-dev/napi/usb-ddk-guidelines.md
index 9bef6a793dfc93f9dc0cd5763e61157d17fbc7e7..d3d8a45ac970bb9fc35c3cc5a948731765bca31e 100644
--- a/zh-cn/application-dev/napi/usb-ddk-guidelines.md
+++ b/zh-cn/application-dev/napi/usb-ddk-guidelines.md
@@ -2,7 +2,7 @@
 
 ## 场景介绍
 
-USB DDK（USB Driver Develop Kit）是OpenHarmony为开发者提供的USB驱动程序开发套件，支持开发者基于用户态，在应用层开发USB设备驱动。提供了一系列主机侧访问设备的接口，包括主机侧打开和关闭接口、管道同步异步读写通信、控制传输、中断传输等。
+USB DDK（USB Driver Develop Kit）是为开发者提供的USB驱动程序开发套件，支持开发者基于用户态，在应用层开发USB设备驱动。提供了一系列主机侧访问设备的接口，包括主机侧打开和关闭接口、管道同步异步读写通信、控制传输、中断传输等。
 
 ## 接口说明
 
@@ -23,7 +23,7 @@ USB DDK（USB Driver Develop Kit）是OpenHarmony为开发者提供的USB驱动
 
 ## USB DDK开发步骤
 
-以下步骤描述了在**OpenHarmony**如何使用 **USB DDK**开发USB驱动：
+以下步骤描述了如何使用 **USB DDK**开发USB驱动：
 
 1. **获取设备描述符**。使用 **usb_ddk_api.h** 的 **OH_Usb_Init** 接口初始化DDK，并使用 **OH_Usb_GetDeviceDescriptor**获取到设备描述符。
 
diff --git a/zh-cn/application-dev/napi/vulkan-guidelines.md b/zh-cn/application-dev/napi/vulkan-guidelines.md
index bc14fbe7a73ef93eb52de1795bdc6f0d0837b511..95da4d0a4660a3df91725794c4493b4041d89679 100644
--- a/zh-cn/application-dev/napi/vulkan-guidelines.md
+++ b/zh-cn/application-dev/napi/vulkan-guidelines.md
@@ -16,9 +16,9 @@ Vulkan是一套用来做2D和3D渲染的图形应用程序接口，其中创建V
 
 ## 开发步骤
 
-以下步骤说明了如何在OpenHarmony平台创建一个VkSurfaceKHR对象。
+以下步骤说明了如何创建一个VkSurfaceKHR对象。
 
-首先，使用OpenHarmony平台扩展的接口，需要定义一个宏`VK_USE_PLATFORM_OHOS`，我们在CMakeLists.txt定义这个宏。
+首先，使用平台扩展的接口，需要定义一个宏`VK_USE_PLATFORM_OHOS`，我们在CMakeLists.txt定义这个宏。
 ```txt
 ADD_DEFINITIONS(-DVK_USE_PLATFORM_OHOS=1)
 ```
@@ -56,7 +56,7 @@ libvulkan.so
 
     std::vector<const char*> instanceExtensions = {
         VK_KHR_SURFACE_EXTENSION_NAME,
-        VK_OHOS_SURFACE_EXTENSION_NAME // OpenHarmony平台的Surface扩展
+        VK_OHOS_SURFACE_EXTENSION_NAME // Surface扩展
     };
     instanceCreateInfo.enabledExtensionCount = static_cast<uint32_t>(instanceExtensions.size());
     instanceCreateInfo.ppEnabledExtensionNames = instanceExtensions.data();
diff --git a/zh-cn/application-dev/notification/notification-with-wantagent.md b/zh-cn/application-dev/notification/notification-with-wantagent.md
index 3cc82b5c38e202d22321874b1b31034fa43ae324..e187b37e95ca008b4f88689a6e53537732dfbf8b 100644
--- a/zh-cn/application-dev/notification/notification-with-wantagent.md
+++ b/zh-cn/application-dev/notification/notification-with-wantagent.md
@@ -39,7 +39,7 @@
    场景一：创建拉起UIAbility的WantAgent的[WantAgentInfo](../reference/apis/js-apis-inner-wantAgent-wantAgentInfo.md)信息。
 
    ```typescript
-   let wantAgentObj:WantAgent = null; // 用于保存创建成功的wantAgent对象，后续使用其完成触发的动作。
+   let wantAgentObj:WantAgent; // 用于保存创建成功的wantAgent对象，后续使用其完成触发的动作。
    
    // 通过WantAgentInfo的operationType设置动作类型
    let wantAgentInfo:wantAgent.WantAgentInfo = {
@@ -63,7 +63,7 @@
    场景二：创建发布[公共事件](../application-models/common-event-overview.md)的WantAgent的[WantAgentInfo](../reference/apis/js-apis-inner-wantAgent-wantAgentInfo.md)信息。
 
    ```typescript
-   let wantAgentObj:WantAgent = null; // 用于保存创建成功的WantAgent对象，后续使用其完成触发的动作。
+   let wantAgentObj:WantAgent; // 用于保存创建成功的WantAgent对象，后续使用其完成触发的动作。
    
    // 通过WantAgentInfo的operationType设置动作类型
    let wantAgentInfo:wantAgent.WantAgentInfo = {
diff --git a/zh-cn/application-dev/performance/improve-application-startup-and-response/improve-application-cold-start-speed.md b/zh-cn/application-dev/performance/improve-application-startup-and-response/improve-application-cold-start-speed.md
index dbb87f4612f671489bea67fbee6013e22f6fbb29..daad5a996516e5d43594c3dc08211cb09e937726 100644
--- a/zh-cn/application-dev/performance/improve-application-startup-and-response/improve-application-cold-start-speed.md
+++ b/zh-cn/application-dev/performance/improve-application-startup-and-response/improve-application-cold-start-speed.md
@@ -69,12 +69,12 @@ OpenHarmony的应用冷启动过程大致可分成以下四个阶段：应用进
 
 aboutToAppear函数会在创建自定义组件实例后，页面绘制之前执行，以下代码在aboutToAppear中对耗时长的计算任务进行了异步处理，避免在该接口执行该耗时操作，不阻塞页面绘制。
 
-```javascript
+```typescript
 @Entry
 @Component
 struct Index {
-  @State private text: string = undefined;
-  private count: number = undefined;
+  @State private text: string = "";
+  private count: number = 0;
 
   aboutToAppear() {
     this.computeTaskAsync(); // 异步任务
@@ -100,11 +100,9 @@ struct Index {
 
   // 运算任务异步处理
   private computeTaskAsync() {
-    new Promise((resolved, rejected) => {
-      setTimeout(() => { // 这里使用setTimeout来实现异步延迟运行
-        this.computeTask();
-      }, 1000)
-    })
+    setTimeout(() => { // 这里使用setTimeout来实现异步延迟运行
+      this.computeTask();
+    }, 1000)
   }
 }
 ```
\ No newline at end of file
diff --git a/zh-cn/application-dev/performance/improve-application-startup-and-response/improve-application-response.md b/zh-cn/application-dev/performance/improve-application-startup-and-response/improve-application-response.md
index acd7a634b8855d8de10a7fa0162d27d81f164b32..b21b23596146c7885b6f6a3d7f98b5c7ecc01b70 100644
--- a/zh-cn/application-dev/performance/improve-application-startup-and-response/improve-application-response.md
+++ b/zh-cn/application-dev/performance/improve-application-startup-and-response/improve-application-response.md
@@ -13,7 +13,7 @@
 
 OpenHarmony提供的Image组件默认生效异步加载特性，当应用在页面上展示一批本地图片的时候，会先显示空白占位块，当图片在其他线程加载完毕后，再替换占位块。这样图片加载就可以不阻塞页面的显示，给用户带来良好的交互体验。因此，只在加载图片耗时比较短的情况下建议下述代码。 
 
-```javascript
+```typescript
 @Entry
 @Component
 struct ImageExample1 {
@@ -37,10 +37,10 @@ struct ImageExample1 {
 
 建议：在加载图片的耗时比较短的时候，通过异步加载的效果会大打折扣，建议配置Image的syncLoad属性。
 
-```javascript
+```typescript
 @Entry
 @Component
-struct ImageExample1 {
+struct ImageExample2 {
   build() {
     Column() {
       Row() {
@@ -63,7 +63,7 @@ struct ImageExample1 {
 
 OpenHarmony提供了[TaskPool线程池](../../reference/apis/js-apis-taskpool.md)，相比worker线程，TaskPool提供了任务优先级设置、线程池自动管理机制，示例如下：
 
-```javascript
+```typescript
 import taskpool from '@ohos.taskpool';
 
 @Concurrent
@@ -78,7 +78,7 @@ function computeTask(arr: string[]): string[] {
 
 @Entry
 @Component
-struct AspectRatioExample {
+struct AspectRatioExample3 {
   @State children: string[] = ['1', '2', '3', '4', '5', '6'];
 
   aboutToAppear() {
@@ -88,8 +88,7 @@ struct AspectRatioExample {
   async computeTaskInTaskPool() {
     const param = this.children.slice();
     let task = new taskpool.Task(computeTask, param);
-    // @ts-ignore
-    this.children = await taskpool.execute(task);
+    await taskpool.execute(task);
   }
 
   build() {
@@ -102,12 +101,12 @@ struct AspectRatioExample {
 
 以下代码展示了将一个长时间执行的非UI任务通过Promise声明成异步任务，主线程可以先进行用户反馈-绘制初始页面。等主线程空闲时，再执行异步任务。等到异步任务运行完毕后，重绘相关组件刷新页面。
 
-```javascript
+```typescript
 @Entry
 @Component
-struct AspectRatioExample {
+struct AspectRatioExample4 {
   @State private children: string[] = ['1', '2', '3', '4', '5', '6'];
-  private count: number = undefined;
+  private count: number = 0;
 
   aboutToAppear() {
     this.computeTaskAsync();  // 调用异步运算函数
@@ -123,11 +122,9 @@ struct AspectRatioExample {
   }
 
   computeTaskAsync() {
-    new Promise((resolved, rejected) => {
-      setTimeout(() => { // 这里使用setTimeout来实现异步延迟运行
-        this.computeTask();
-      }, 1000)
-    })
+    setTimeout(() => { // 这里使用setTimeout来实现异步延迟运行
+      this.computeTask();
+    }, 1000)
   }
 
   build() {
@@ -146,10 +143,10 @@ struct AspectRatioExample {
 
 以下代码的Text('New Page')组件被状态变量isVisible控制，isVisible为true时创建，false时销毁。当isVisible发生变化时，Stack容器内的所有组件都会刷新：
 
-```javascript
+```typescript
 @Entry
 @Component
-struct StackExample {
+struct StackExample5 {
   @State isVisible : boolean = false;
 
   build() {
@@ -175,10 +172,10 @@ struct StackExample {
 
 建议：对于这种受状态变量控制的组件，在if外套一层容器，减少刷新范围。
 
-```javascript
+```typescript
 @Entry
 @Component
-struct StackExample {
+struct StackExample6 {
   @State isVisible : boolean = false;
 
   build() {
@@ -208,11 +205,11 @@ struct StackExample {
 
 反例：this.arr中的每一项元素都被初始化和加载，数组中的元素有10000个，主线程执行耗时长。
 
-```javascript
+```typescript
 @Entry
 @Component
-struct MyComponent {
-  @State arr: number[] = Array.from(Array(10000), (v,k) =>k); 
+struct MyComponent7 {
+  @State arr: number[] = Array.from(Array<number>(10000), (v,k) =>k); 
   build() {
     List() {
       ForEach(this.arr, (item: number) => {
@@ -227,7 +224,7 @@ struct MyComponent {
 
 建议：这种情况下用LazyForEach替换ForEach，LazyForEach一般只加载可见的元素，避免一次性初始化和加载所有元素。
 
-```javascript
+```typescript
 class BasicDataSource implements IDataSource {
   private listeners: DataChangeListener[] = []
 
@@ -235,8 +232,8 @@ class BasicDataSource implements IDataSource {
     return 0
   }
 
-  public getData(index: number): any {
-    return undefined
+  public getData(index: number): string {
+    return ''
   }
 
   registerDataChangeListener(listener: DataChangeListener): void {
@@ -286,13 +283,13 @@ class BasicDataSource implements IDataSource {
 }
 
 class MyDataSource extends BasicDataSource {
-  private dataArray: string[] = Array.from(Array(10000), (v, k) => k.toString());
+  private dataArray: string[] = Array.from(Array<number>(10000), (v, k) => k.toString());
 
   public totalCount(): number {
     return this.dataArray.length
   }
 
-  public getData(index: number): any {
+  public getData(index: number): string  {
     return this.dataArray[index]
   }
 
@@ -318,7 +315,7 @@ struct MyComponent {
         ListItem() {
             Text(item).fontSize(20).margin({ left: 10 })
         }
-      }, item => item)
+      }, (item:string) => item)
     }
   }
 }
diff --git a/zh-cn/application-dev/performance/reduce-frame-loss-and-frame-freezing/reduce-animation-frame-loss.md b/zh-cn/application-dev/performance/reduce-frame-loss-and-frame-freezing/reduce-animation-frame-loss.md
index caaf5d22815504e5293e0a1a5990ed56a363a9c0..8e677d2e542d663f00b7ffaacc0a5fbab8b140b5 100644
--- a/zh-cn/application-dev/performance/reduce-frame-loss-and-frame-freezing/reduce-animation-frame-loss.md
+++ b/zh-cn/application-dev/performance/reduce-frame-loss-and-frame-freezing/reduce-animation-frame-loss.md
@@ -6,7 +6,7 @@
 
 反例：应用使用了自定义动画，动画曲线计算过程很容易引起UI线程高负载，易导致丢帧。
 
-```javascript
+```typescript
 @Entry
 @Component
 struct AttrAnimationExample {
@@ -17,8 +17,8 @@ struct AttrAnimationExample {
   computeSize() {
     let duration = 2000
     let period = 16
-    let widthSizeEnd = undefined
-    let heightSizeEnd = undefined
+    let widthSizeEnd = 0
+    let heightSizeEnd = 0
     if (this.flag) {
       widthSizeEnd = 100
       heightSizeEnd = 50
@@ -56,7 +56,7 @@ struct AttrAnimationExample {
 
 建议：通过系统提供的属性动效API实现上述动效功能。
 
-```javascript
+```typescript
 @Entry
 @Component
 struct AttrAnimationExample {
@@ -67,7 +67,7 @@ struct AttrAnimationExample {
   build() {
     Column() {
       Button('click me')
-        .onClick((event: ClickEvent) => {
+        .onClick((event?: ClickEvent | undefined) => {
           if (this.flag) {
             this.widthSize = 100
             this.heightSize = 50
@@ -96,7 +96,7 @@ struct AttrAnimationExample {
 
 建议：通过系统提供的显式动效API实现上述动效功能。
 
-```javascript
+```typescript
 @Entry
 @Component
 struct AnimateToExample {
@@ -107,7 +107,7 @@ struct AnimateToExample {
   build() {
     Column() {
       Button('click me')
-        .onClick((event: ClickEvent) => {
+        .onClick((event?: ClickEvent | undefined) => {
           if (this.flag) {
             animateTo({
               duration: 2000, // 动画时长
diff --git a/zh-cn/application-dev/performance/reduce-frame-loss-and-frame-freezing/reduce-view-nesting-levels.md b/zh-cn/application-dev/performance/reduce-frame-loss-and-frame-freezing/reduce-view-nesting-levels.md
index ab4cf3697a3fdf5a9033019112b9d732ec05a401..c9337880dfaa220cfbac775d5586517ed6458c55 100644
--- a/zh-cn/application-dev/performance/reduce-frame-loss-and-frame-freezing/reduce-view-nesting-levels.md
+++ b/zh-cn/application-dev/performance/reduce-frame-loss-and-frame-freezing/reduce-view-nesting-levels.md
@@ -6,16 +6,16 @@
 
 反例：使用了Grid来实现一个网格，但是在外层套了3层stack容器，导致组件刷新和渲染耗时长。
 
-```javascript
+```typescript
 @Entry
 @Component
-struct AspectRatioExample {
-  @State children: Number[] = Array.from(Array(900), (v, k) => k);
+struct AspectRatioExample12 {
+  @State children: Number[] = Array.from(Array<number>(900), (v, k) => k);
 
   build() {
     Scroll() {
       Grid() {
-        ForEach(this.children, (item) => {
+        ForEach(this.children, (item:Number[]) => {
           GridItem() {
             Stack() {
               Stack() {
@@ -25,7 +25,7 @@ struct AspectRatioExample {
               }
             }
           }
-        }, item => item)
+        }, (item:string) => item)
       }
       .columnsTemplate('1fr 1fr 1fr 1fr')
       .columnsGap(0)
@@ -38,21 +38,20 @@ struct AspectRatioExample {
 
 建议：通过减少冗余的Stack容器嵌套，每个GridItem的组件数比上面少了3个，缩短了组件刷新与渲染耗时。
 
-```javascript
-// xxx.ets
+```typescript
 @Entry
 @Component
-struct AspectRatioExample {
+struct AspectRatioExample11 {
   @State children: Number[] = Array.from(Array(900), (v, k) => k);
 
   build() {
     Scroll() {
       Grid() {
-        ForEach(this.children, (item) => {
+        ForEach(this.children, (item:Number[]) => {
           GridItem() {
             Text(item.toString())
           }
-        }, item => item)
+        }, (item:string) => item)
       }
       .columnsTemplate('1fr 1fr 1fr 1fr')
       .columnsGap(0)
diff --git a/zh-cn/application-dev/quick-start/arkts-prop.md b/zh-cn/application-dev/quick-start/arkts-prop.md
index 12b19eac88c0acf63342cc0aeb93cab0f678044c..e32d877edfb3bbb3d2e3f25d6a18407348f69829 100644
--- a/zh-cn/application-dev/quick-start/arkts-prop.md
+++ b/zh-cn/application-dev/quick-start/arkts-prop.md
@@ -188,7 +188,7 @@ struct ParentComponent {
 ### 父组件\@State到子组件\@Prop简单数据类型同步
 
 
-以下示例是\@State到子组件\@Prop简单数据同步，父组件ParentComponent的状态变量countDownStartValue初始化子组件CountDownComponent中\@Prop装饰的count，点击“Try again”，count的修改仅保留在CountDownComponent 不会同步给父组件CountDownComponent。
+以下示例是\@State到子组件\@Prop简单数据同步，父组件ParentComponent的状态变量countDownStartValue初始化子组件CountDownComponent中\@Prop装饰的count，点击“Try again”，count的修改仅保留在CountDownComponent 不会同步给父组件ParentComponent。
 
 
 ParentComponent的状态变量countDownStartValue的变化将重置CountDownComponent的count。
diff --git a/zh-cn/application-dev/quick-start/arkts-rendering-control-foreach.md b/zh-cn/application-dev/quick-start/arkts-rendering-control-foreach.md
index 2c8efbc10d2ed4eaab9227bf3c90965ed11be90e..d7bc20406b6b98585ca5fdc81614485c756b25b6 100644
--- a/zh-cn/application-dev/quick-start/arkts-rendering-control-foreach.md
+++ b/zh-cn/application-dev/quick-start/arkts-rendering-control-foreach.md
@@ -36,21 +36,21 @@ ForEach(
 
 - itemGenerator函数的调用顺序不一定和数组中的数据项相同，在开发过程中不要假设itemGenerator和keyGenerator函数是否执行及其执行顺序。例如，以下示例可能无法正确运行：
 
-  ```ts
-let obj: Object
-ForEach(anArray.map((item1: Object, index1: number): Object => {
-    obj.i = index1 + 1
-    obj.data = item1
-    return obj;
-  }),
-(item: string) => Text(`${item.i}. item.data.label`),
-(item: string): string => {
-    return item.data.id.toString()
-})
-  ```
-
-
-## 开发者的建议
+    ```ts
+    let obj: Object
+    ForEach(anArray.map((item1: Object, index1: number): Object => {
+        obj.i = index1 + 1
+        obj.data = item1
+        return obj;
+      }),
+    (item: string) => Text(`${item.i}. item.data.label`),
+    (item: string): string => {
+        return item.data.id.toString()
+    })
+    ```
+
+
+## 开发建议
 
 - 建议开发者不要假设项构造函数的执行顺序。执行顺序可能不能是数组中项的排列顺序。
 
diff --git a/zh-cn/application-dev/quick-start/in-app-hsp.md b/zh-cn/application-dev/quick-start/in-app-hsp.md
index d6b6a264c3ba64ed167630eafa71621f7560b514..1cb1d9f4c66b3a9a40bd7f85e0bc43210f01e271 100644
--- a/zh-cn/application-dev/quick-start/in-app-hsp.md
+++ b/zh-cn/application-dev/quick-start/in-app-hsp.md
@@ -71,7 +71,7 @@ export { MyTitleBar } from './components/MyTitleBar'
 ### 通过$r访问HSP中资源
 在组件中，经常需要使用字符串、图片等资源。HSP中的组件需要使用资源时，一般将其所用资源放在HSP包内，而非放在HSP的使用方处，以符合高内聚低耦合的原则。
 
-在工程中，常通过`$r`/`$rawfile`的形式引用应用资源。可以用`$r`/`$rawfile`访问本模块`resources`目录下的资源，如访问`resources`目录下定义的图片`src/main/resources/base/media/example.png`时，可以用`$r("app.media.example")`。有关`$r`/`$rawfile`的详细使用方式，请参阅文档[资源分类与访问](https://gitee.com/openharmony/docs/blob/master/zh-cn/application-dev/quick-start/resource-categories-and-access.md)中“资源访问-应用资源”小节。
+在工程中，常通过`$r`/`$rawfile`的形式引用应用资源。可以用`$r`/`$rawfile`访问本模块`resources`目录下的资源，如访问`resources`目录下定义的图片`src/main/resources/base/media/example.png`时，可以用`$r("app.media.example")`。有关`$r`/`$rawfile`的详细使用方式，请参阅文档[资源分类与访问](./resource-categories-and-access.md)中“资源访问-应用资源”小节。
 
 不推荐使用相对路径的方式，容易引用错误路径。例如：
 当要引用上述同一图片资源时，在HSP模块中使用`Image("../../resources/base/media/example.png")`，实际上该`Image`组件访问的是HSP调用方（如`entry`）下的资源`entry/src/main/resources/base/media/example.png`。
diff --git a/zh-cn/application-dev/quick-start/typescript-to-arkts-migration-guide.md b/zh-cn/application-dev/quick-start/typescript-to-arkts-migration-guide.md
index 9b3f5c465425e460dbc17728550509929aa1ba5e..4497a9775dca7274e4f1f08dd572e8bc85f0a9ed 100644
--- a/zh-cn/application-dev/quick-start/typescript-to-arkts-migration-guide.md
+++ b/zh-cn/application-dev/quick-start/typescript-to-arkts-migration-guide.md
@@ -3,10 +3,10 @@
 本文通过提供简洁的约束指导如何将标准的TypeScript代码重构为ArkTS代码。尽管ArkTS是基于TypeScript设计的，但出于性能考虑，一些TypeScript的特性被限制了。因此，在ArkTS中，所有的TypeScript特性被分成三类。 
 
 1. **完全支持的特性**：原始代码无需任何修改。根据测试，对于已遵循最佳TypeScript实践的项目，代码库中90%到97%的内容可以保持原封不动。
-2. **部分支持的特性**：需小规模的代码重构。例如，必须使用关键字`let`代替`var`来声明变量。注意，根据本文提供的约束进行代码重构后，您的代码仍为有效的TypeScript代码。
+2. **部分支持的特性**：需小规模的代码重构。例如，必须使用关键字`let`代替`var`来声明变量。
 3. **不支持的特性**：需大规模的代码重构。例如，不支持`any`类型，所有使用`any`的代码都需要引入显式类型。
 
-本文将逐一介绍所有部分支持和所有不支持的特性，并提供代码重构的建议。对于没有提到的特性，则说明ArkTS完全支持。
+本文将逐一介绍所有部分支持和所有不支持的特性，并提供代码重构的建议。根据本文提供的约束进行代码重构后代码仍为有效的TypeScript代码。对于没有提到的特性，则说明ArkTS完全支持。
 
 **示例**
 
@@ -49,7 +49,7 @@ ArkTS在设计之初，就确定了如下目标：
 - ArkTS代码需非常容易阅读和理解，因为代码的阅读频率高于编写频率。
 - 以最小功耗快速执行代码，这点对于移动设备（ArkTS的目标设备）来说至关重要。
 
-静态类型是ArkTS最重要的特性之一。使用静态类型有助于实现上述两个目标。如果程序采用静态类型，即所有类型在编译时都是已知的，那么开发者就能够容易理解代码中使用了哪些数据结构。同时，由于所有类型在程序实际运行前都是已知的，编译器可以提前验证代码的正确性，从而可以减少运行时类型检查项，有助于性能提升。
+静态类型是ArkTS最重要的特性之一。使用静态类型有助于实现上述两个目标。如果程序采用静态类型，即所有类型在编译时都是已知的，那么开发者就能够容易理解代码中使用了哪些数据结构。同时，由于所有类型在程序实际运行前都是已知的，编译器可以提前验证代码的正确性，从而可以减少运行时的类型检查，有助于性能提升。
 
 基于上述考虑，ArkTS中禁止使用`any`类型。
 
@@ -107,24 +107,24 @@ class Point {
 
 // 无法从对象中删除某个属性，从而确保所有Point对象都具有属性x：
 let p1 = new Point(1.0, 1.0)
-delete p1.x           // 无论使用TypeScript还是ArkTS，都会产生编译时错误
-delete (p1 as any).x  // 使用TypeScript时，不会报错；使用ArkTS时，会产生编译时错误
+delete p1.x           // 在TypeScript和ArkTS中，都会产生编译时错误
+delete (p1 as any).x  // 在TypeScript中不会报错；在ArkTS中会产生编译时错误
 
-// Point类没有定义命名为`z`的属性，在程序运行时也无法添加该属性：
+// Point类没有定义命名为z的属性，在程序运行时也无法添加该属性：
 let p2 = new Point(2.0, 2.0)
-p2.z = "Label";         // 无论使用TypeScript还是ArkTS，都会产生编译时错误
-(p2 as any).z = "Label" // 使用TypeScript时，不会报错；使用ArkTS时，会产生编译时错误
+p2.z = "Label";         // 在TypeScript和ArkTS中，都会产生编译时错误
+(p2 as any).z = "Label" // 在TypeScript中不会报错；在ArkTS中会产生编译时错误
 
-// 确保所有Point对象只有属性x和y，并且无法产生一些任意标识符并将其用作新属性：
+// 类的定义确保了所有Point对象只有属性x和y，并且无法被添加其他属性：
 let p3 = new Point(3.0, 3.0)
-let prop = Symbol();     // 使用TypeScript时，不会报错；使用ArkTS时，会产生编译时错误
-(p3 as any)[prop] = p3.x // 使用TypeScript时，不会报错；使用ArkTS时，会产生编译时错误
-p3[prop] = p3.x          // 无论使用TypeScript还是ArkTS，都会产生编译时错误
+let prop = Symbol();     // 在TypeScript中不会报错；在ArkTS中会产生编译时错误
+(p3 as any)[prop] = p3.x // 在TypeScript中不会报错；在ArkTS中会产生编译时错误
+p3[prop] = p3.x          // 在TypeScript和ArkTS中，都会产生编译时错误
 
-// 确保所有Point对象都具有number类型的属性x和y。因此，无法赋予其他类型的值给该属性：
+// 类的定义确保了所有Point对象的属性x和y都具有number类型，因此，无法将其他类型的值赋值给它们：
 let p4 = new Point(4.0, 4.0)
-p4.x = "Hello!";         // 无论使用TypeScript还是ArkTS，都会产生编译时错误
-(p4 as any).x = "Hello!" // 使用TypeScript时，不会报错；使用ArkTS时，会产生编译时错误
+p4.x = "Hello!";         // 在TypeScript和ArkTS中，都会产生编译时错误
+(p4 as any).x = "Hello!" // 在TypeScript中不会报错；在ArkTS中会产生编译时错误
 
 // 使用符合类定义的Point对象：
 function distance(p1 : Point, p2 : Point) : number {
@@ -148,22 +148,18 @@ console.log("Distance between p5 and p6: " + distance(p5, p6))
 **示例**
 
 ```typescript
-// 运算符`+`可以用于数字和字符串，但不能用于其他类型：
-class C {
-    // ...
-}
-let c1 : C = new C()
-let c2 : C = new C()
-console.log(c1 + c2) // 编译时报错
+// 一元运算符`+`只能作用于数值类型：
+console.log(+42)   // 合法运算
+console.log(+"42") // 编译时错误
 ```
 
 使用额外的语义重载语言运算符会增加语言规范的复杂度，而且，开发者还被迫牢记所有可能的例外情况及对应的处理规则。在某些情况下，产生一些不必要的运行时开销。
 
 当前只有不到1%的代码库使用该特性。因此，尽管限制运算符的语义需要重构代码，但重构量很小且非常容易操作，并且，通过重构能使代码更清晰、具备更高性能。
 
-### （暂时）不支持 structural typing
+### 不支持 structural typing
 
-假设两个不相关的类`T`和`U`拥有相同的公共API：
+假设两个不相关的类`T`和`U`拥有相同的`public`API：
 
 ```typescript
 class T {
@@ -203,8 +199,8 @@ greeter(t) // 是否允许？
 
 换句话说，我们将采取下面哪种方法呢：
 
-- `T`和`U`没有继承关系或没有任何公共接口，但由于它们具有相同的公共API，它们“在某种程度上是相等的”，所以上述两个问题的答案都是“是”；
-- `T`和`U`没有继承关系或没有任何公共接口，应当始终被视为完全不同的类型，因此上述两个问题的答案都是“否”。
+- `T`和`U`没有继承关系或没有`implements`相同的接口，但由于它们具有相同的`public`API，它们“在某种程度上是相等的”，所以上述两个问题的答案都是“是”；
+- `T`和`U`没有继承关系或没有`implements`相同的接口，应当始终被视为完全不同的类型，因此上述两个问题的答案都是“否”。
 
 采用第一种方法的语言支持structural typing，而采用第二种方法的语言则不支持structural typing。目前TypeScript支持structural typing，而ArkTS不支持。
 
@@ -254,12 +250,11 @@ console.log(z.get(2))
 **相关约束**
 
 * 不支持Symbol() API
-* 访问未定义的属性将导致编译时错误
+* 不支持通过索引访问字段
 * 不支持delete运算符
 * 仅允许在表达式中使用typeof运算符
 * 不支持in运算符
 * 禁止运行时检查对象属性
-* 不支持声明动态属性
 * 限制使用标准库
 
 
@@ -271,6 +266,8 @@ console.log(z.get(2))
 
 TypeScript中的`Symbol()`API用于在运行时生成唯一的属性名称。由于该API的常见使用场景在静态类型语言中没有意义，因此，ArkTS不支持`Symbol()`API。在ArkTS中，对象布局在编译时就确定了，且不能在运行时被更改。
 
+ArkTS也不支持`Symbol.iterator`和`Iterable interface`。请使用数组或容器。
+
 **TypeScript**
 
 ```typescript
@@ -278,6 +275,26 @@ const sym = Symbol()
 let o = {
    [sym]: "value"
 }
+
+let obj = {
+    data: ['a', 'b', 'c'],
+    [Symbol.iterator]() {
+        const this_ = this
+        let index = 0
+        return {
+            next() {
+                return {
+                    done: index >= this_.data.length,
+                    value: 'name_' + this_.data[index++]
+                }
+            }
+        }
+    }
+}
+
+for (let t of obj) {
+    console.log(t)
+}
 ```
 
 **ArkTS**
@@ -287,17 +304,21 @@ class SomeClass {
     public someProperty : string = ""
 }
 let o = new SomeClass()
+
+let arr:string[] = ['a', 'b', 'c']
+for (let t of arr) {
+    console.log('name_' + t)
+}
 ```
 
 **相关约束**
 
 * 仅支持属性名为标识符的对象
-* 访问未定义的属性将导致编译时错误
+* 不支持通过索引访问字段
 * 不支持delete运算符
 * 仅允许在表达式中使用typeof运算符
 * 不支持in运算符
 * 禁止运行时检查对象属性
-* 不支持声明动态属性
 * 限制使用标准库
 
 ### 不支持以`#`开头的私有字段
@@ -324,13 +345,13 @@ class C {
 }
 ```
 
-### 类型、命名空间等的命名必须唯一
+### 类型、命名空间的命名必须唯一
 
 **规则：**`arkts-unique-names`
 
 **级别：错误**
 
-类型、命名空间等的命名必须唯一，且能够与其他名称（例如：变量名）区分开来。
+类型（类、接口、枚举）、命名空间的命名必须唯一，且与其他名称（例如：变量名、函数名）不同。
 
 **TypeScript**
 
@@ -830,97 +851,100 @@ class Point {x: number = 0; y: number = 0}
 type N = number
 ```
 
-### 不支持索引访问字段
+### 不支持通过索引访问字段
 
 **规则：**`arkts-no-props-by-index`
 
 **级别：错误**
 
-ArkTS不支持通过索引访问对象的字段。改用点操作符。
+ArkTS不支持动态声明字段，不支持动态访问字段。只能访问已在类中声明或者继承可见的字段，访问其他字段将会造成编译时错误。
+使用点操作符访问字段，例如（`obj.field`），不支持索引访问（`obj[field]`）。
 ArkTS支持通过索引访问`TypedArray`（例如`Int32Array`）中的元素。
 
 **TypeScript**
 
 ```typescript
-class Point {x: number = 0; y: number = 0}
+class Point {
+    x: number = 0
+    y: number = 0
+}
 let p: Point = {x: 1, y: 2}
-let x = p["x"]
+console.log(p["x"])
+
+class Person {
+    name: string = ""
+    age: number = 0;
+    [key: string]: string | number
+}
+
+let person: Person = {
+    name: "John",
+    age: 30,
+    email: "***@example.com",
+    phoneNumber: "18*********",
+}
 ```
 
 **ArkTS**
 
 ```typescript
-class Point {x: number = 0; y: number = 0}
+class Point {
+    x: number = 0
+    y: number = 0
+}
 let p: Point = {x: 1, y: 2}
-let x = p.x
+console.log(p.x)
+
+class Person {
+    name: string
+    age: number
+    email: string
+    phoneNumber: string
+
+    constructor(name: string, age: number, email: string,
+                phoneNumber: string) {
+        this.name = name
+        this.age = age
+        this.email = email
+        this.phoneNumber = phoneNumber
+    }
+}
+
+let person = new Person("John", 30, "***@example.com", "18*********")
+console.log(person["name"])         // 编译时错误
+console.log(person.unknownProperty) // 编译时错误
 
 let arr = new Int32Array(1)
 console.log(arr[0])
 ```
 
-### 不支持structural identity
+### 不支持structural typing
 
-**规则：**`arkts-no-structural-identity`
+**规则：**`arkts-no-structural-typing`
 
 **级别：错误**
 
-目前ArkTS不支持structural identity，即编译器无法比较两种类型的公共API并决定它们是否相同。可改用其他机制，例如继承、接口或类型别名。
-
-对于下面的示例，类型`X`和`Y`在TypeScript中是等价的（可互换），而在ArkTS中，他们是不等价的。
+ArkTS不支持structural typing，编译器无法比较两种类型的`public`API并决定它们是否相同。使用其他机制，例如继承、接口或类型别名。
 
 **TypeScript**
 
 ```typescript
-interface X {
-    f(): string
-}
-
-interface Y { // Y等于X
+interface I1 {
     f(): string
 }
-```
 
-**ArkTS**
-
-```typescript
-interface X {
+interface I2 { // I2等价于I1
     f(): string
 }
 
-type Y = X // Y等于X
-```
-
-**相关约束**
-
-* 子类型/父类型不支持structural typing
-* 赋值检查不支持structural typing
-* 类型推断不支持structural typing
-
-### 子类型/父类型不支持structural typing
-
-**规则：**`arkts-no-structural-subtyping`
-
-**级别：错误**
-
-当前ArkTS在类型推导时不会检查structural是否相同，即编译器无法比较两种类型的公共API并决定它们是否相同。改用其他机制，例如继承或接口。
-
-**TypeScript**
-
-```typescript
 class X {
-    public foo: number
-
-    constructor() {
-        this.foo = 0
-    }
+    n: number = 0
+    s: string = ""
 }
 
-class Y {
-    public foo: number
-
-    constructor() {
-        this.foo = 0
-    }
+class Y { // Y等价于X
+    n: number = 0
+    s: string = ""
 }
 
 let x = new X()
@@ -931,118 +955,80 @@ y = x
 
 console.log("Assign Y to X")
 x = y
-```
-
-**ArkTS**
 
-```typescript
-class X {
-    public foo: number
-
-    constructor() {
-        this.foo = 0
-    }
+function foo(x: X) {
+    console.log(x.n, x.s)
 }
 
-// Y从X派生，显式定义继承关系
-class Y extends X {
-    constructor() {
-        super()
-    }
-}
-
-let x = new X()
-let y = new Y()
-
-console.log("Assign Y to X")
-x = y // ok, X是Y的父类
-
-// 不能将X赋值给Y
-// y = x -编译时错误
+// 由于X和Y的API是等价的，所以X和Y是等价的
+foo(new X())
+foo(new Y())
 ```
 
-**相关约束**
-
-* 不支持structural identity
-* 赋值检查不支持structural typing
-* 类型推断不支持structural typing
-
-### 赋值检查不支持structural typing
-
-**规则：**`arkts-no-structural-assignability`
-
-**级别：错误**
-
-当前ArkTS在检查变量是否可相互赋值时不检查结构等价性，即编译器无法比较两种类型的公共API并决定它们是否相同。改用其他机制，例如继承或接口。
-
-**TypeScript**
+**ArkTS**
 
 ```typescript
-class X {
-    public foo: number
+interface I1 {
+    f(): string
+}
 
-    constructor() {
-       this.foo = 0
-    }
+type I2 = I1 // I2是I1的别名
+
+class B {
+    n: number = 0
+    s: string = ""
 }
 
-class Y {
-    public foo: number
+// D是B的继承类，构建了子类型和父类型的关系
+class D extends B {
     constructor() {
-        this.foo = 0
+        super()
     }
 }
 
-let x = new X()
-let y = new Y()
-
-console.log("Assign X to Y")
-y = x
+let b = new B()
+let d = new D()
 
-console.log("Assign Y to X")
-x = y
-```
+console.log("Assign D to B")
+b = d // 合法赋值，因为B是D的父类
 
-**ArkTS**
+// 将b赋值给d将会引起编译时错误
+// d = b
 
-```typescript
 interface Z {
-   foo: number
+   n: number
+   s: string
 }
 
-// X实现了接口Z，显式化定义了X和Y之间的关系。
+// 类X implements 接口Z，构建了X和Y的关系
 class X implements Z {
-    public foo: number
-
-    constructor() {
-       this.foo = 0
-    }
+    n: number = 0
+    s: string = ""
 }
 
-// Y实现了接口Z，显式化定义了X和Y之间的关系。
+// 类Y implements 接口Z，构建了X和Y的关系
 class Y implements Z {
-    public foo: number
-
-    constructor() {
-       this.foo = 0
-    }
+    n: number = 0
+    s: string = ""
 }
 
 let x: Z = new X()
 let y: Z = new Y()
 
 console.log("Assign X to Y")
-y = x // ok，两者类型相同
+y = x // 合法赋值，它们是相同的类型
 
 console.log("Assign Y to X")
-x = y // ok，两者类型相同
-```
+x = y // 合法赋值，它们是相同的类型
 
-**相关约束**
+function foo(c: Z): void {
+    console.log(c.n, c.s)
+}
 
-* 不支持structural identity
-* 子类型/父类型不支持structural typing
-* 类型推断不支持structural typing
+// 类X和类Y implement 相同的接口，因此下面的两个函数调用都是合法的
+foo(new X())
+foo(new Y())
+```
 
 ### 显式标注泛型函数类型实参，除非可以从参数中推断出类型实参
 
@@ -1084,105 +1070,13 @@ function greet<T>(): T {
 let z = greet<string>()
 ```
 
-### 类型推断不支持structural typing
-
-**规则：**`arkts-no-structural-inference`
-
-**级别：错误**
-
-当前ArkTS不支持structural typing，即编译器无法比较两种类型的公共API并决定它们是否相同。使用继承和接口显式指定类型之间的关系。
-
-**TypeScript**
-
-```typescript
-class X  {
-    public foo: number
-    private s: string
-
-    constructor (f: number) {
-        this.foo = f
-        this.s = ""
-    }
-
-    public say(): void {
-       console.log("X = ", this.foo)
-    }
-}
-
-class Y {
-    public foo: number
-
-    constructor (f: number) {
-        this.foo = f
-    }
-    public say(): void {
-        console.log("Y = ", this.foo)
-    }
-}
-
-function bar(z: X): void {
-    z.say()
-}
-
-// X和Y具有相同的公共API，因此它们是等价的。
-// 允许第二次调用
-bar(new X(1))
-bar(new Y(2) as X)
-```
-
-**ArkTS**
-
-```typescript
-interface Z {
-   say(): void
-}
-
-class X implements Z {
-    public foo: number
-    private s: string
-
-    constructor (f: number) {
-        this.foo = f
-        this.s = ""
-    }
-    public say(): void {
-        console.log("X = ", this.foo)
-    }
-}
-
-class Y implements Z {
-    public foo: number
-
-    constructor (f: number) {
-        this.foo = f
-    }
-    public say(): void {
-        console.log("Y = ", this.foo)
-    }
-}
-
-function bar(z: Z): void {
-    z.say()
-}
-
-// X和Y实现了相同的接口Z，因此两个调用均允许：
-bar(new X(1))
-bar(new Y(2))
-```
-
-**相关约束**
-
-* 不支持structural identity
-* 子类型/父类型不支持structural typing
-* 赋值检查不支持structural typing
-
 ### 不支持使用正则字面量
 
 **规则：**`arkts-no-regexp-literals`
 
 **级别：错误**
 
-当前ArkTS不支持正则字面量。改用通过`RegExp()`创建。
+当前ArkTS不支持正则字面量。请使用`RegExp()`创建正则对象。
 
 **TypeScript**
 
@@ -1253,7 +1147,7 @@ function id_x_y(o: Point): Point {
     return o
 }
 
-// 因为TS支持structural typing，编译器可以推断p的类型为Point
+// TS支持structural typing，可以推断p的类型为Point
 let p = {x: 5, y: 10}
 id_x_y(p)
 
@@ -1518,54 +1412,6 @@ class C1 implements C {
 }
 ```
 
-### 访问未定义的属性将导致编译时错误
-
-**规则：**`arkts-no-undefined-prop-access`
-
-**级别：错误**
-
-ArkTS仅支持访问那些在类中已声明或通过继承可访问的属性。禁止访问任何其他属性，否则会导致编译时错误。使用恰当的类型可以帮助编译期进行类型检查，确定属性是否存在。
-
-**TypeScript**
-
-```typescript
-let person = {name: "Bob", isEmployee: true}
-
-let n = person["name"]
-let e = person["isEmployee"]
-let s = person["office"] // 只有在开启noImplicitAny选项时会产生编译时错误
-```
-
-**ArkTS**
-
-```typescript
-class Person {
-    constructor(name: string, isEmployee: boolean) {
-        this.name = name
-        this.isEmployee = isEmployee
-    }
-
-    name: string
-    isEmployee: boolean
-}
-
-let person = new Person("Bob", true)
-let n = person.name
-let e = person.isEmployee
-let s = person.office // 编译时错误
-```
-
-**相关约束**
-
-* 对象的属性名必须是合法的标识符
-* 不支持Symbol() API
-* 不支持delete运算符
-* 仅允许在表达式中使用typeof运算符
-* 不支持in运算符
-* 禁止运行时检查对象属性
-* 不支持声明动态属性
-* 限制使用标准库
-
 ### 类型转换仅支持`as T`语法
 
 **规则：**`arkts-as-casts`
@@ -1721,11 +1567,10 @@ p.y = null
 
 * 对象的属性名必须是合法的标识符
 * 不支持Symbol() API
-* 访问未定义的属性将导致编译时错误
+* 不支持通过索引访问字段
 * 仅允许在表达式中使用typeof运算符
 * 不支持in运算符
 * 禁止运行时检查对象属性
-* 不支持声明动态属性
 
 ### 仅允许在表达式中使用`typeof`运算符
 
@@ -1761,66 +1606,12 @@ let s2: string
 
 * 对象的属性名必须是合法的标识符
 * 不支持Symbol() API
-* 访问未定义的属性将导致编译时错误
+* 不支持通过索引访问字段
 * 不支持delete运算符
 * 不支持in运算符
 * 禁止运行时检查对象属性
-* 不支持声明动态属性
 * 限制使用标准库
 
-### 二元运算符`+`仅支持数字和字符串的隐式转换
-
-**规则：**`arkts-no-polymorphic-plus`
-
-**级别：错误**
-
-如果二元运算符`+`的一个操作数是`string`类型（包括enum中的`string`），那么另一个操作数可以是任意的类型，在运算时它的值被隐式转换成`string`。在其他情况下，ArkTS只支持`number`和enum中的`number`的隐式转换。
-正如TypeScript一样，ArkTS不支持两个`boolean`类型的值相加。其他情形下，都需要显式转换为字符串。
-
-**TypeScript**
-
-```typescript
-enum E { E1, E2 }
-
-let a = 10 + 32   // 42
-let b = E.E1 + 10 // 10
-let c = 10 + "5"  // "105"
-
-let d = "5" + E.E2 // "51"
-let e = "Hello, " + "world!" // "Hello, world!"
-let f = "string" + true // "stringtrue"
-
-let g = (new Object()) + "string" // "[object Object]string"
-
-let i = true + true // 编译时错误
-let j = true + 2    // 编译时错误
-let k = E.E1 + true // 编译时错误
-```
-
-**ArkTS**
-
-```typescript
-enum E { E1, E2 }
-
-let a = 10 + 32   // 42
-let b = E.E1 + 10 // 10
-let c = 10 + "5"  // "105"
-
-let d = "5" + E.E2 // "51"
-let e = "Hello, " + "world!" // "Hello, world!"
-let f = "string" + true // "stringtrue"
-
-let g = (new Object()).toString() + "string"
-
-let i = true + true // 编译时错误
-let j = true + 2    // 编译时错误
-let k = E.E1 + true // 编译时错误
-```
-
-**相关约束**
-
-* 一元运算符+、-和~仅适用于数值类型
-
 ### 部分支持`instanceof`运算符
 
 **规则：**`arkts-instanceof-ref-types`
@@ -1889,11 +1680,10 @@ let b = p instanceof Person // true，且属性name一定存在
 
 * 对象的属性名必须是合法的标识符
 * 不支持Symbol() API
-* 访问未定义的属性将导致编译时错误
+* 不支持通过索引访问字段
 * 不支持delete运算符
 * 仅允许在表达式中使用typeof运算符
 * 禁止运行时检查对象属性
-* 不支持声明动态属性
 * 限制使用标准库
 
 ### 不支持解构赋值
@@ -2008,33 +1798,6 @@ let x = zp.x
 let y = zp.y
 ```
 
-### 不支持隐含类型的推断
-
-**规则：**`arkts-no-implied-inference`
-
-**级别：错误**
-
-目前ArkTS不支持隐含类型的推断，改用显式的类型标注。如果容器中有不同类型的数据，请使用`Object[]`。
-
-**TypeScript**
-
-```typescript
-let [a, b, c] = [1, "hello", true]
-```
-
-**ArkTS**
-
-```typescript
-let a = 1
-let b = "hello"
-let c = true
-
-let arr: Object[] = [1, "hello", true]
-let a1 = arr[0]
-let b1 = arr[1]
-let c1 = arr[2]
-```
-
 ### 不支持在catch语句标注类型
 
 **规则：**`arkts-no-types-in-catch`
@@ -2097,23 +1860,8 @@ for (let i = 0; i < a.length; ++i) {
 
 **相关约束**
 
-* 不支持可迭代接口
 * for-of仅适用于数组和字符串
 
-### 不支持可迭代接口
-
-**规则：**`arkts-no-iterable`
-
-**级别：错误**
-
-ArkTS不支持`Symbol`API、`Symbol.iterator`和最终可迭代的接口。请使用数组和标准库中的容器。
-
-**相关约束**
-
-* 不支持Symbol() API
-* 不支持for .. in
-* for-of仅支持数组和字符串
-
 ### `for-of`仅适用于数组和字符串
 
 **规则：**`arkts-for-of-str-arr`
@@ -2144,7 +1892,6 @@ for (let n of numbers) {
 **相关约束**
 
 * 不支持for .. in
-* 不支持可迭代接口
 
 ### 不支持映射类型
 
@@ -2204,92 +1951,6 @@ let r: number = 42
 console.log("Area: ", Math.PI * r * r)
 ```
 
-### `case`语句仅支持编译期值
-
-**规则：**`arkts-no-computed-case`
-
-**级别：错误**
-
-在ArkTS中，`case`语句仅支持编译期值，支持`const`常量和`class`的`static readonly`属性。若值无法在编译期确定，请使用`if`语句。
-
-**TypeScript**
-
-```typescript
-let x = 2
-let y = 3
-switch (x) {
-    case 1:
-        console.log(1)
-        break
-    case 2:
-        console.log(2)
-        break
-    case y:
-        console.log(y)
-        break
-    default:
-        console.log("other")
-}
-```
-
-**ArkTS**
-
-```typescript
-let x = 2
-switch (x) {
-    case 1:
-        console.log(1)
-        break
-    case 2:
-        console.log(2)
-        break
-    case 3:
-        console.log(3)
-        break
-    default:
-        console.log("other")
-}
-```
-
-### 限制`switch`语句中表达式的类型
-
-**规则：**`arkts-limited-switch`
-
-**级别：错误**
-
-ArkTS支持`switch`语句中使用`number`, `Number`, `string`, `String`或者`enum`类型的值。其他情况下请使用`if`语句。
-
-**TypeScript**
-
-```typescript
-class Point {
-    x: number = 0
-    y: number = 0
-}
-
-let a = new Point()
-
-switch (a) {
-    case null: break
-    default: console.log("not null")
-}
-```
-
-**ArkTS**
-
-```typescript
-class Point {
-    x: number = 0
-    y: number = 0
-}
-
-let a = new Point()
-
-if (a != null) {
-    console.log("not null")
-}
-```
-
 ### 限制`throw`语句中表达式的类型
 
 **规则：**`arkts-limited-throw`
@@ -2453,7 +2114,7 @@ function addNum(a: number, b: number): void {
 
 **级别：错误**
 
-ArkTS不支持在函数中使用`this`。只能在方法中使用`this`。
+ArkTS不支持在函数和静态方法中使用`this`。只能在方法中使用`this`。
 
 **TypeScript**
 
@@ -2823,7 +2484,7 @@ class C implements Mover, Shaker {
 
 **级别：错误**
 
-ArkTS不支持合并声明。所用类、接口等的声明必须唯一。
+ArkTS不支持类、接口的声明合并。
 
 **TypeScript**
 
@@ -2940,11 +2601,10 @@ function main(): void {
 
 * 对象的属性名必须是合法的标识符
 * 不支持Symbol() API
-* 访问未定义的属性将导致编译时错误
+* 不支持通过索引访问字段
 * 不支持delete运算符
 * 仅允许运算符typeof在表达式上下文中使用
 * 不支持in运算符
-* 不支持声明动态属性
 * 限制使用标准库
 
 ### 不支持构造函数类型
@@ -2996,65 +2656,7 @@ let Impersonizer: PersonCtor = (n: string, a: number): Person => {
 const person = createPerson(Impersonizer, "John", 30)
 ```
 
-### 不支持声明动态属性
-
-**规则：**`arkts-no-dyn-prop-decl`
-
-**级别：错误**
-
-ArkTS不支持声明动态属性。必须在类中声明所有的属性。尽管可以用对象数组来实现动态特性，但更推荐使用静态类型范式来显式声明字段、名称和类型。
-
-**TypeScript**
-
-```typescript
-class Person {
-    name: string = ""
-    age: number = 0; // 此处需要分号
-    [key: string]: string | number
-}
-
-const person: Person = {
-    name: "John",
-    age: 30,
-    email: "***@example.com",
-    phoneNumber: 18*********,
-}
-```
-
-**ArkTS**
-
-```typescript
-class Person {
-    name: string
-    age: number
-    email: string
-    phoneNumber: number
-
-    constructor(name: string, age: number, email: string, phoneNumber: number) {
-        this.name = name
-        this.age = age
-        this.email = email
-        this.phoneNumber = phoneNumber
-    }
-}
-
-function main(): void {
-    const person: Person = new Person("John", 30, "***@example.com", 18*********)
-}
-```
-
-**相关约束**
-
-* 对象的属性名必须是合法的标识符
-* 不支持Symbol() API
-* 访问未定义的属性将导致编译时错误
-* 不支持delete运算符
-* 仅允许在表达式中使用typeof运算符
-* 不支持in运算符
-* 禁止运行时检查对象属性
-* 限制使用标准库
-
-### 只能使用类型相同的编译期表达式初始化枚举成员
+### 只能使用类型相同的编译时表达式初始化枚举成员
 
 **规则：**`arkts-no-enum-mixed-types`
 
@@ -3304,7 +2906,7 @@ import * as m from "mod"
 
 **级别：错误**
 
-ArkTS支持大多数场景下的重导出，例如命名重导出和重命名重导出。不支持`export * as ...`。
+ArkTS支持命名重导出和重命名重导出。支持`export * ...`的语法，不支持`export * as ...`的语法。
 
 **TypeScript**
 
@@ -3341,6 +2943,9 @@ export class Class2 {
 export { Class1 } from "module1"
 export { C2 as Class2 } from "module1"
 
+// 支持以下语法
+// export * from "module1"
+
 // consumer模块
 import { Class1, Class2 } from "module2"
 
@@ -4061,16 +3666,15 @@ ArkTS不允许使用TypeScript或JavaScript标准库中的某些接口。大部
 
 * 对象的属性名必须是合法的标识符
 * 不支持Symbol() API
-* 访问未定义的属性将导致编译时错误
+* 不支持通过索引访问字段
 * 仅允许在表达式中使用typeof运算符
 * 不支持in运算符
 * 禁止运行时检查对象属性
-* 不支持声明动态属性
 * 不支持globalThis
 
 ### 强制开启严格类型检查
 
-**规则 `arkts-strict-typing`**
+**规则：**`arkts-strict-typing`
 
 **级别：错误**
 
@@ -4122,7 +3726,7 @@ let n2: number = 0
 
 ### 不允许通过注释关闭类型检查
 
-**规则 `arkts-strict-typing-required`**
+**规则：**`arkts-strict-typing-required`
 
 **级别：错误**
 
@@ -4156,7 +3760,7 @@ let s2: string = null // 编译时报错
 
 ### 允许ArkTS代码导入TS代码, 不允许TS代码导入ArkTS代码
 
-**规则 `arkts-no-ts-deps`**
+**规则：**`arkts-no-ts-deps`
 
 **级别：错误**
 
@@ -4188,7 +3792,7 @@ import { C } from "lib1"
 
 ### 除了ArkUI中的装饰器，不允许使用其他装饰器
 
-**规则 `arkts-no-decorators-except-arkui`**
+**规则：**`arkts-no-decorators-except-arkui`
 
 **级别：错误**
 
diff --git a/zh-cn/application-dev/reference/apis/js-apis-ability-ability.md b/zh-cn/application-dev/reference/apis/js-apis-ability-ability.md
index ac6dfc795a1f34ed7bf4a47d4e86754910d4c548..4d37c36c8f6c7b809592bebf6f6288925d561cce 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-ability-ability.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-ability-ability.md
@@ -24,15 +24,17 @@ AbilityResult:SystemCapability.Ability.AbilityBase
 ConnectOptions:SystemCapability.Ability.AbilityRuntime.Core
 StartAbilityParameter:SystemCapability.Ability.AbilityRuntime.FAModel
 
+**系统能力：** SystemCapability.DistributedDataManager.RelationalStore.Core
+
 | 名称         | 类型                 | 描述                                                         |
 | ----------- | -------------------- | ------------------------------------------------------------ |
-| DataAbilityHelper    | [DataAbilityHelper](js-apis-inner-ability-dataAbilityHelper.md)               | DataAbilityHelper二级模块。                                |
-| PacMap   | [PacMap](js-apis-inner-ability-dataAbilityHelper.md#pacmap)               | PacMap二级模块。 |
-| DataAbilityOperation   | [DataAbilityOperation](js-apis-inner-ability-dataAbilityOperation.md)               | DataAbilityOperation二级模块。 |
-| DataAbilityResult   | [DataAbilityResult](js-apis-inner-ability-dataAbilityResult.md)               | DataAbilityResult二级模块。 |
-| AbilityResult   | [AbilityResult](js-apis-inner-ability-abilityResult.md)               | AbilityResult二级模块。 |
-| ConnectOptions   | [ConnectOptions](js-apis-inner-ability-connectOptions.md)               | ConnectOptions二级模块。 |
-| StartAbilityParameter   | [StartAbilityParameter](js-apis-inner-ability-startAbilityParameter.md)               | StartAbilityParameter二级模块。 |
+| DataAbilityHelper    | [DataAbilityHelper](js-apis-inner-ability-dataAbilityHelper.md)               | DataAbilityHelper二级模块。<br/>SystemCapability.Ability.AbilityRuntime.FAModel |
+| PacMap   | [PacMap](js-apis-inner-ability-dataAbilityHelper.md#pacmap)               | PacMap二级模块。<br/>SystemCapability.Ability.AbilityRuntime.FAModel |
+| DataAbilityOperation   | [DataAbilityOperation](js-apis-inner-ability-dataAbilityOperation.md)               | DataAbilityOperation二级模块。<br/>SystemCapability.Ability.AbilityRuntime.FAModel |
+| DataAbilityResult   | [DataAbilityResult](js-apis-inner-ability-dataAbilityResult.md)               | DataAbilityResult二级模块。<br/>SystemCapability.Ability.AbilityRuntime.FAModel |
+| AbilityResult   | [AbilityResult](js-apis-inner-ability-abilityResult.md)               | AbilityResult二级模块。<br/>SystemCapability.Ability.AbilityBase |
+| ConnectOptions   | [ConnectOptions](js-apis-inner-ability-connectOptions.md)               | ConnectOptions二级模块。<br/>SystemCapability.Ability.AbilityRuntime.Core |
+| StartAbilityParameter   | [StartAbilityParameter](js-apis-inner-ability-startAbilityParameter.md)               | StartAbilityParameter二级模块。<br/>ystemCapability.Ability.AbilityRuntime.FAModel |
 
 **示例：**
 ```ts
diff --git a/zh-cn/application-dev/reference/apis/js-apis-app-ability-abilityLifecycleCallback.md b/zh-cn/application-dev/reference/apis/js-apis-app-ability-abilityLifecycleCallback.md
index c2f4832377f640afb63eb7aca88ae223554f66e6..4ebd7260ac550b60845e52c523f06664267f0179 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-app-ability-abilityLifecycleCallback.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-app-ability-abilityLifecycleCallback.md
@@ -333,7 +333,7 @@ import { GlobalContext } from '../GlobalContext'
 export default class MySecondAbility extends UIAbility {
     onDestroy() {
         let applicationContext = this.context.getApplicationContext();
-        let lifecycleId: number = GlobalContext.getContext().getObject("lifecycleId");
+        let lifecycleId = GlobalContext.getContext().getObject("lifecycleId") as number;
         // 3.通过applicationContext注销监听应用内生命周期
         applicationContext.off('abilityLifecycle', lifecycleId, (error) => {
             if (error && error.code !== 0) {
diff --git a/zh-cn/application-dev/reference/apis/js-apis-app-ability-applicationStateChangeCallback.md b/zh-cn/application-dev/reference/apis/js-apis-app-ability-applicationStateChangeCallback.md
index 68e1ff54da71d5237c9bde4cdf6d6e3e69774453..ae43d32c570192d5ce45a3b2e32bf9c1e2e65eb6 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-app-ability-applicationStateChangeCallback.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-app-ability-applicationStateChangeCallback.md
@@ -27,53 +27,30 @@ onApplicationForeground(): void;
 import UIAbility from '@ohos.app.ability.UIAbility';
 import ApplicationStateChangeCallback from '@ohos.app.ability.ApplicationStateChangeCallback';
 
-// 构造单例对象
-export class GlobalContext {
-    private constructor() {}
-    private static instance: GlobalContext;
-    private _objects = new Map<string, Object>();
-
-    public static getContext(): GlobalContext {
-        if (!GlobalContext.instance) {
-            GlobalContext.instance = new GlobalContext();
-        }
-        return GlobalContext.instance;
-    }
-
-    getObject(value: string): Object | undefined {
-        return this._objects.get(value);
-    }
-
-    setObject(key: string, objectClass: Object): void {
-        this._objects.set(key, objectClass);
-    }
-}
-
 let applicationStateChangeCallback: ApplicationStateChangeCallback = {
     onApplicationForeground() {
         console.info('applicationStateChangeCallback onApplicationForeground');
+    },
+    onApplicationBackground() {
+        console.info('applicationStateChangeCallback onApplicationBackground');
     }
 }
-GlobalContext.getContext().setObject("applicationStateChangeCallback", applicationStateChangeCallback);
 
 export default class MyAbility extends UIAbility {
     onCreate() {
         console.log('MyAbility onCreate');
-        GlobalContext.getContext().setObject("applicationContext", this.context.getApplicationContext());
         // 1.获取applicationContext
-        let applicationContext = GlobalContext.getContext().getObject("applicationContext");
+        let applicationContext = this.context.getApplicationContext();
         // 2.通过applicationContext注册应用前后台状态监听
         if (applicationContext != undefined) {
-            applicationContext.on('applicationStateChange',
-                GlobalContext.getContext().getObject("applicationStateChangeCallback"));
+            applicationContext.on('applicationStateChange', applicationStateChangeCallback);
         }
     }
     onDestroy() {
-        let applicationContext = GlobalContext.getContext().getObject("applicationContext");
+        let applicationContext = this.context.getApplicationContext();
         // 1.通过applicationContext解除注册应用前后台状态监听
         if (applicationContext != undefined) {
-            applicationContext.off('applicationStateChange',
-                GlobalContext.getContext().getObject("applicationStateChangeCallback"));
+            applicationContext.off('applicationStateChange', applicationStateChangeCallback);
         }
     }
 }
@@ -93,53 +70,31 @@ onApplicationBackground(): void;
 import UIAbility from '@ohos.app.ability.UIAbility';
 import ApplicationStateChangeCallback from '@ohos.app.ability.ApplicationStateChangeCallback';
 
-export class GlobalContext {
-    private constructor() {}
-    private static instance: GlobalContext;
-    private _objects = new Map<string, Object>();
-
-    public static getContext(): GlobalContext {
-        if (!GlobalContext.instance) {
-            GlobalContext.instance = new GlobalContext();
-        }
-        return GlobalContext.instance;
-    }
-
-    getObject(value: string): Object | undefined {
-        return this._objects.get(value);
-    }
-
-    setObject(key: string, objectClass: Object): void {
-        this._objects.set(key, objectClass);
-    }
-}
-
 let applicationStateChangeCallback: ApplicationStateChangeCallback = {
+    onApplicationForeground() {
+        console.info('applicationStateChangeCallback onApplicationForeground');
+    },
     onApplicationBackground() {
         console.info('applicationStateChangeCallback onApplicationBackground');
     }
 }
-GlobalContext.getContext().setObject("applicationStateChangeCallback", applicationStateChangeCallback);
 
 export default class MyAbility extends UIAbility {
     onCreate() {
         console.log('MyAbility onCreate');
-        GlobalContext.getContext().setObject("applicationContext", this.context.getApplicationContext());
         // 1.获取applicationContext
-        let applicationContext = GlobalContext.getContext().getObject("applicationContext");
+        let applicationContext = this.context.getApplicationContext();
         // 2.通过applicationContext注册应用前后台状态监听
         if (applicationContext != undefined) {
-            applicationContext.on('applicationStateChange',
-                GlobalContext.getContext().getObject("applicationStateChangeCallback"));
+            applicationContext.on('applicationStateChange', applicationStateChangeCallback);
         }
         console.log('Resgiter applicationStateChangeCallback');
     }
     onDestroy() {
-        let applicationContext = GlobalContext.getContext().getObject("applicationContext");
+        let applicationContext = this.context.getApplicationContext();
         // 1.通过applicationContext解除注册应用前后台状态监听
         if (applicationContext != undefined) {
-            applicationContext.off('applicationStateChange',
-                GlobalContext.getContext().getObject("applicationStateChangeCallback"));
+            applicationContext.off('applicationStateChange', applicationStateChangeCallback);
         }
     }
 }
diff --git a/zh-cn/application-dev/reference/apis/js-apis-app-ability-common.md b/zh-cn/application-dev/reference/apis/js-apis-app-ability-common.md
index 880d3e02b81c105c2cdeec1bb74f3e61da5eb7c7..5a2f72d2684e110b1d351e14f32f4a2cbce6f40f 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-app-ability-common.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-app-ability-common.md
@@ -16,8 +16,6 @@ import common from '@ohos.app.ability.common';
 
 **系统能力**：以下各项对应的系统能力均为SystemCapability.Ability.AbilityRuntime.Core
 
-**系统API**：该接口为系统接口，三方应用不支持调用。
-
 | 名称        | 类型                 | 说明                                                         |
 | ----------- | -------------------- | ------------------------------------------------------------ |
 | UIAbilityContext    | [UIAbilityContext](js-apis-inner-application-uiAbilityContext.md)               | UIAbilityContext二级模块。                                |
diff --git a/zh-cn/application-dev/reference/apis/js-apis-app-ability-dialogRequest.md b/zh-cn/application-dev/reference/apis/js-apis-app-ability-dialogRequest.md
index 8c9ae7e940cd16af66bdafde39046a8f571822ed..aa3a8bbc88d17431ec10f20e739d99772a8ba53c 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-app-ability-dialogRequest.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-app-ability-dialogRequest.md
@@ -196,11 +196,29 @@ getRequestCallback(want: Want): RequestCallback
    }
    ```
 
+## WindowRect<sup>10+</sup>
+
+表示模态弹框的属性。
+
+**系统能力**：SystemCapability.Ability.AbilityRuntime.Core
+
+| 名称 | 类型   | 必填 | 说明                        |
+| ---- | ------ | ---- | --------------------------- |
+| left  | number | 否   | 弹框边框的左上角的X坐标。 |
+| top  | number | 否   | 弹框边框的左上角的Y坐标。 |
+| width  | number | 否   | 弹框的宽度。 |
+| height  | number | 否   | 弹框的高度。 |
+
 ## RequestInfo
 
 表示发起方请求信息，作为窗口绑定模态弹框的入参。
+
 **系统能力**：SystemCapability.Ability.AbilityRuntime.Core
 
+| 名称      | 类型       | 必填   | 说明     |
+| ------------ | ------------------| ------ | ---------------------- |
+| windowRect<sup>10+</sup>            | windowRect    | 否   | 表示模态弹框的位置属性。          |
+
 **示例：**
 
 ```ts
@@ -313,6 +331,7 @@ getRequestCallback(want: Want): RequestCallback
 | 名称 | 类型 | 可读 | 可写 | 说明 |
 | -------- | -------- | -------- | -------- | -------- |
 | result | [ResultCode](#resultcode) | 是 | 是 | 表示结果码。 |
+| want<sup>10+</sup> | [ResultWant](js-apis-application-want.md)  | 是 | 是 | 表示Want类型信息，如ability名称，包名等。 |
 
 ## RequestCallback
 
diff --git a/zh-cn/application-dev/reference/apis/js-apis-app-ability-uiAbility.md b/zh-cn/application-dev/reference/apis/js-apis-app-ability-uiAbility.md
index 6aa2b5586131d5094ffbd84a50467b25abb90ded..5ab5dac594ca0ad0d78895e4cef4064600de142f 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-app-ability-uiAbility.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-app-ability-uiAbility.md
@@ -417,6 +417,32 @@ UIAbility生命周期回调，当系统预关闭开关打开后（配置系统
   }
   ```
 
+## UIAbility.onBackPressed<sup>10+</sup>
+
+onBackPressed(): boolean;
+
+UIAbility生命周期回调，当UIAbility侧滑返回时触发。根据返回值决定是否销毁UIAbility，默认为销毁UIAbility。
+
+**系统能力**：SystemCapability.Ability.AbilityRuntime.AbilityCore
+
+**返回值：**
+
+| 类型 | 说明 |
+| -- | -- |
+| boolean | 返回true表示UIAbility将会被移到后台不销毁，返回false表示UIAbility将正常销毁。 |
+
+**示例：**
+
+  ```ts
+  import UIAbility from '@ohos.app.ability.UIAbility';
+
+  export default class EntryAbility extends UIAbility {
+    onBackPressed() {
+      return true;
+    }
+  }
+  ```
+
 ## Caller
 
 通用组件Caller通信客户端调用接口, 用来向通用组件服务端发送约定数据。
diff --git a/zh-cn/application-dev/reference/apis/js-apis-app-ability-uiExtensionAbility.md b/zh-cn/application-dev/reference/apis/js-apis-app-ability-uiExtensionAbility.md
index 2b2332422f59af67c269335da4894a7f42f4af26..30ad67f8596b23441f686abb945c67778ea3063f 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-app-ability-uiExtensionAbility.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-app-ability-uiExtensionAbility.md
@@ -27,7 +27,7 @@ onCreate(): void
 
 UIExtensionAbility创建时回调，执行初始化业务逻辑操作。
 
-**系统能力**：SystemCapability.Ability.AbilityRuntime.AbilityCore
+**系统能力**：SystemCapability.Ability.AbilityRuntime.Core
 
 ## UIExtensionAbility.onSessionCreate
 
@@ -35,7 +35,7 @@ onSessionCreate(want: Want, session: UIExtensionContentSession): void
 
 当UIExtensionAbility界面内容对象创建后调用。
 
-**系统能力**：SystemCapability.Ability.AbilityRuntime.AbilityCore
+**系统能力**：SystemCapability.Ability.AbilityRuntime.Core
 
 **参数：**
 
@@ -50,7 +50,7 @@ onSessionDestroy(session: UIExtensionContentSession): void
 
 当UIExtensionAbility界面内容对象销毁后调用。
 
-**系统能力**：SystemCapability.Ability.AbilityRuntime.AbilityCore
+**系统能力**：SystemCapability.Ability.AbilityRuntime.Core
 
 **参数：**
 
@@ -81,4 +81,4 @@ onDestroy(): void | Promise&lt;void&gt;;
 UIExtensionAbility生命周期回调，在销毁时回调，执行资源清理等操作。
 在执行完onDestroy生命周期回调后，应用可能会退出，从而可能导致onDestroy中的异步函数未能正确执行，比如异步写入数据库。可以使用异步生命周期，以确保异步onDestroy完成后再继续后续的生命周期。
 
-**系统能力**：SystemCapability.Ability.AbilityRuntime.AbilityCore
+**系统能力**：SystemCapability.Ability.AbilityRuntime.Core
diff --git a/zh-cn/application-dev/reference/apis/js-apis-app-ability-uiExtensionContentSession.md b/zh-cn/application-dev/reference/apis/js-apis-app-ability-uiExtensionContentSession.md
index 005e6cb411c81a96ec4b68cb7b1f151900782c69..fa3404f8d936851acef35395ed973c1cfe1721ce 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-app-ability-uiExtensionContentSession.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-app-ability-uiExtensionContentSession.md
@@ -19,7 +19,7 @@ sendData(data: { [key: string]: Object }): void
 
 发送数据给UIExtensionComponent控件。
 
-**系统能力**：SystemCapability.Ability.AbilityRuntime.AbilityCore
+**系统能力**：SystemCapability.Ability.AbilityRuntime.Core
 
 **系统API**：此接口为系统接口，三方应用不支持调用。
 
@@ -43,7 +43,7 @@ setReceiveDataCallback(callback: (data: { [key: string]: Object }) => void): voi
 
 设置从UIExtensionComponent控件接收数据的回调方法。
 
-**系统能力**：SystemCapability.Ability.AbilityRuntime.AbilityCore
+**系统能力**：SystemCapability.Ability.AbilityRuntime.Core
 
 **系统API**：此接口为系统接口，三方应用不支持调用。
 
@@ -63,11 +63,11 @@ setReceiveDataCallback(callback: (data: { [key: string]: Object }) => void): voi
 
 ## UIExtensionContentSession.loadContent
 
-loadContent(path: string, storage?: LocalStorage): Promise&lt;void&gt;
+loadContent(path: string, storage?: LocalStorage): void;
 
 为当前UIExtensionComponent控件对应的窗口加载与LocalStorage相关联的具体页面内容。
 
-**系统能力：** SystemCapability.Ability.AbilityRuntime.AbilityCore
+**系统能力：** SystemCapability.Ability.AbilityRuntime.Core
 
 **参数：**
 
@@ -153,7 +153,7 @@ setWindowBackgroundColor(color: string): void
 
 设置UIExtensionAbility加载界面的背景色。该接口需要在[loadContent()](#uiextensioncontentsessionloadcontent)调用生效后使用。
 
-**系统能力**：SystemCapability.Ability.AbilityRuntime.AbilityCore
+**系统能力**：SystemCapability.Ability.AbilityRuntime.Core
 
 **系统API**：此接口为系统接口，三方应用不支持调用。
 
@@ -177,7 +177,7 @@ setWindowPrivacyMode(isPrivacyMode: boolean): Promise&lt;void&gt;
 
 设置窗口是否为隐私模式，使用Promise异步回调。设置为隐私模式的窗口，窗口内容将无法被截屏或录屏。
 
-**系统能力：** SystemCapability.Ability.AbilityRuntime.AbilityCore
+**系统能力：** SystemCapability.Ability.AbilityRuntime.Core
 
 **需要权限：** ohos.permission.PRIVACY_WINDOW
 
@@ -199,7 +199,7 @@ setWindowPrivacyMode(isPrivacyMode: boolean, callback: AsyncCallback&lt;void&gt;
 
 设置窗口是否为隐私模式，使用callback异步回调。设置为隐私模式的窗口，窗口内容将无法被截屏或录屏。
 
-**系统能力：** SystemCapability.Ability.AbilityRuntime.AbilityCore
+**系统能力：** SystemCapability.Ability.AbilityRuntime.Core
 
 **需要权限：** ohos.permission.PRIVACY_WINDOW
 
diff --git a/zh-cn/application-dev/reference/apis/js-apis-app-form-formBindingData.md b/zh-cn/application-dev/reference/apis/js-apis-app-form-formBindingData.md
index 4ad0a2001a45441a96f0c6e45ea97b9d80f35ed3..60c53272db71956d3b1c6acd689ee97e805c4fa5 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-app-form-formBindingData.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-app-form-formBindingData.md
@@ -63,15 +63,16 @@ createFormBindingData(obj?: Object | string): FormBindingData
 ```ts
 import formBindingData from '@ohos.app.form.formBindingData';
 import fs from '@ohos.file.fs';
+import Base from '@ohos.base';
 
 try {
   let fd = fs.openSync('/path/to/form.png');
 
-  let createFormBindingDataParam = new Map<Object, string | object>()
-  let formImagesParam = new Map<Object, object>()
-  formImagesParam.set('image', fd)
-  createFormBindingDataParam.set("name", '21°')
-  createFormBindingDataParam.set('formImages', formImagesParam)
+  let createFormBindingDataParam = new Map<string, string | Object>();
+  let formImagesParam = new Map<string, Object>();
+  formImagesParam.set('image', fd);
+  createFormBindingDataParam.set("name", '21°');
+  createFormBindingDataParam.set('formImages', formImagesParam);
 
   formBindingData.createFormBindingData(createFormBindingDataParam);
 } catch (error) {
diff --git a/zh-cn/application-dev/reference/apis/js-apis-app-form-formExtensionAbility.md b/zh-cn/application-dev/reference/apis/js-apis-app-form-formExtensionAbility.md
index 446d85a6dcd666ea58022ef5008831a0cd4fa589..86abfa81a63d77293777f56f3a2fd5b7231d4f4d 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-app-form-formExtensionAbility.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-app-form-formExtensionAbility.md
@@ -51,7 +51,7 @@ import Want from '@ohos.app.ability.Want';
 export default class MyFormExtensionAbility extends FormExtensionAbility {
   onAddForm(want: Want) {
     console.log(`FormExtensionAbility onAddForm, want: ${want.abilityName}`);
-    let dataObj1 = new Map<Object, string>();
+    let dataObj1 = new Map<string, string>();
     dataObj1.set('temperature', '11c');
     dataObj1.set('time', '11:00');
 
@@ -107,20 +107,19 @@ onUpdateForm(formId: string): void
 import FormExtensionAbility from '@ohos.app.form.FormExtensionAbility';
 import formBindingData from '@ohos.app.form.formBindingData';
 import formProvider from '@ohos.app.form.formProvider';
+import Base from '@ohos.base';
 
 export default class MyFormExtensionAbility extends FormExtensionAbility {
   onUpdateForm(formId: string) {
     console.log(`FormExtensionAbility onUpdateForm, formId: ${formId}`);
-    class createFormBindingDataParam {
-      temperature: string
-      time: string
-    }
     let obj2 = formBindingData.createFormBindingData({
       temperature: '22c',
       time: '22:00'
-    } as createFormBindingDataParam);
+    });
     formProvider.updateForm(formId, obj2).then((data) => {
       console.log(`FormExtensionAbility context updateForm, data: ${data}`);
+    }).catch((error: Base.BusinessError) => {
+      console.error(`FormExtensionAbility context updateForm failed, data: ${error}`);
     });
   }
 };
@@ -146,6 +145,7 @@ onChangeFormVisibility(newStatus: { [key: string]: number }): void
 import FormExtensionAbility from '@ohos.app.form.FormExtensionAbility';
 import formBindingData from '@ohos.app.form.formBindingData';
 import formProvider from '@ohos.app.form.formProvider';
+import Base from '@ohos.base';
 
 // 由于arkTs中无Object.keys，且无法使用for..in...
 // 若报arkTs问题，请将此方法单独抽离至一个ts文件中并暴露，在需要用到的ets文件中引入使用
@@ -155,23 +155,21 @@ function getObjKeys(obj: Object): string[] {
 }
 
 export default class MyFormExtensionAbility extends FormExtensionAbility {
-  onChangeFormVisibility(newStatus) {
+  onChangeFormVisibility(newStatus: Record<string, number>) {
     console.log(`FormExtensionAbility onChangeFormVisibility, newStatus: ${newStatus}`);
-    class createFormBindingDataParam {
-      temperature: string
-      time: string
-    }
     let obj2 = formBindingData.createFormBindingData({
       temperature: '22c',
       time: '22:00'
-    } as createFormBindingDataParam);
-
-    for (let key in newStatus) {
-      console.log(`FormExtensionAbility onChangeFormVisibility, key: ${key}, value= ${newStatus[key]}`);
-      formProvider.updateForm(key, obj2).then((data) => {
-        console.log(`FormExtensionAbility context updateForm, data: ${data}`);
-      }).catch((error) => {
-        console.error(`Operation updateForm failed. Cause: ${error}`);
+    });
+
+    let keys: string[] = getObjKeys(newStatus);
+
+    for (let i: number = 0; i < keys.length; i++) {
+      console.log(`FormExtensionAbility onChangeFormVisibility, key: ${keys[i]}, value= ${newStatus[keys[i]]}`);
+      formProvider.updateForm(keys[i], obj2).then(() => {
+        console.log(`FormExtensionAbility context updateForm`);
+      }).catch((error: Base.BusinessError) => {
+        console.error(`Operation updateForm failed. Cause: ${JSON.stringify(error)}`);
       });
     }
   }
@@ -317,9 +315,9 @@ import FormExtensionAbility from '@ohos.app.form.FormExtensionAbility';
 export default class MyFormExtensionAbility extends FormExtensionAbility {
   onShareForm(formId: string) {
     console.log(`FormExtensionAbility onShareForm, formId: ${formId}`);
-    let wantParams = {
+    let wantParams: Record<string, Object> = {
       'temperature': '20',
-      'time': '2022-8-8 09:59',s
+      'time': '2022-8-8 09:59',
     };
     return wantParams;
   }
@@ -355,8 +353,8 @@ import FormExtensionAbility from '@ohos.app.form.FormExtensionAbility';
 
 export default class MyFormExtensionAbility extends FormExtensionAbility {
   onAcquireFormData(formId: string) {
-    console.log('FormExtensionAbility onAcquireFormData, formId: ${formId}');
-    let wantParams = {
+    console.log(`FormExtensionAbility onAcquireFormData, formId: ${formId}`);
+    let wantParams: Record<string, Object> = {
       'temperature': '20',
       'time': '2022-8-8 09:59',
     };
diff --git a/zh-cn/application-dev/reference/apis/js-apis-app-form-formHost.md b/zh-cn/application-dev/reference/apis/js-apis-app-form-formHost.md
index 107e2bbf0c8b6b388ea3bcf8e3133d5d97dffe72..55bcc30739bc7c7ab9d90d00d6ac6279089fdde2 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-app-form-formHost.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-app-form-formHost.md
@@ -11,7 +11,6 @@ formHost模块提供了卡片使用方相关接口的能力，包括对使用方
 
 ```ts
 import formHost from '@ohos.app.form.formHost';
-import Base from '@ohos.base';
 ```
 
 ## deleteForm
@@ -50,6 +49,7 @@ deleteForm(formId: string, callback: AsyncCallback&lt;void&gt;): void
 
 ```ts
 import formHost from '@ohos.app.form.formHost';
+import Base from '@ohos.base';
 
 try {
   let formId: string = '12400633174999288';
@@ -61,7 +61,7 @@ try {
   }
   });
 } catch (error) {
-  console.error(`catch error, code: ${error.code}, message: ${error.message}`);
+  console.error(`catch error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message}`);
 }
 ```
 
@@ -107,16 +107,17 @@ deleteForm(formId: string): Promise&lt;void&gt;
 
 ```ts
 import formHost from '@ohos.app.form.formHost';
+import Base from '@ohos.base';
 
 try {
   let formId: string = '12400633174999288';
   formHost.deleteForm(formId).then(() => {
     console.log('formHost deleteForm success');
   }).catch((error: Base.BusinessError) => {
-    console.error('formHost deleteForm, error: ${JSON.stringify(error)}');
+    console.error(`formHost deleteForm, error: ${JSON.stringify(error)}`);
   });
 } catch(error) {
-  console.error(`catch error, code: ${error.code}, message: ${error.message}`);
+  console.error(`catch error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message}`);
 }
 ```
 
@@ -156,6 +157,7 @@ releaseForm(formId: string, callback: AsyncCallback&lt;void&gt;): void
 
 ```ts
 import formHost from '@ohos.app.form.formHost';
+import Base from '@ohos.base';
 
 try {
   let formId: string = '12400633174999288';
@@ -165,7 +167,7 @@ try {
     }
   });
 } catch(error) {
-  console.error(`catch error, code: ${error.code}, message: ${error.message}`);
+  console.error(`catch error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message}`);
 }
 ```
 
@@ -206,6 +208,7 @@ releaseForm(formId: string, isReleaseCache: boolean, callback: AsyncCallback&lt;
 
 ```ts
 import formHost from '@ohos.app.form.formHost';
+import Base from '@ohos.base';
 
 try {
   let formId: string = '12400633174999288';
@@ -215,7 +218,7 @@ try {
     }
   });
 } catch(error) {
-  console.error(`catch error, code: ${error.code}, message: ${error.message}`);
+  console.error(`catch error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message}`);
 }
 ```
 
@@ -261,6 +264,7 @@ releaseForm(formId: string, isReleaseCache?: boolean): Promise&lt;void&gt;
 
 ```ts
 import formHost from '@ohos.app.form.formHost';
+import Base from '@ohos.base';
 
 try {
   let formId: string = '12400633174999288';
@@ -270,7 +274,7 @@ try {
     console.error(`error, code: ${error.code}, message: ${error.message}`);
   });
 } catch(error) {
-  console.error(`catch error, code: ${error.code}, message: ${error.message}`);
+  console.error(`catch error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message}`);
 }
 ```
 
@@ -310,6 +314,7 @@ requestForm(formId: string, callback: AsyncCallback&lt;void&gt;): void
 
 ```ts
 import formHost from '@ohos.app.form.formHost';
+import Base from '@ohos.base';
 
 try {
   let formId: string = '12400633174999288';
@@ -319,7 +324,7 @@ try {
     }
   });
 } catch(error) {
-  console.error(`catch error, code: ${error.code}, message: ${error.message}`);
+  console.error(`catch error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message}`);
 }
 ```
 
@@ -364,6 +369,7 @@ requestForm(formId: string): Promise&lt;void&gt;
 
 ```ts
 import formHost from '@ohos.app.form.formHost';
+import Base from '@ohos.base';
 
 try {
   let formId: string = '12400633174999288';
@@ -373,7 +379,7 @@ try {
     console.error(`error, code: ${error.code}, message: ${error.message}`);
   });
 } catch(error) {
-  console.error(`catch error, code: ${error.code}, message: ${error.message}`);
+  console.error(`catch error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message}`);
 }
 
 ```
@@ -414,6 +420,7 @@ castToNormalForm(formId: string, callback: AsyncCallback&lt;void&gt;): void
 
 ```ts
 import formHost from '@ohos.app.form.formHost';
+import Base from '@ohos.base';
 
 try {
   let formId: string = '12400633174999288';
@@ -423,7 +430,7 @@ try {
     }
   });
 } catch(error) {
-  console.error(`catch error, code: ${error.code}, message: ${error.message}`);
+  console.error(`catch error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message}`);
 }
 ```
 
@@ -468,6 +475,7 @@ castToNormalForm(formId: string): Promise&lt;void&gt;
 
 ```ts
 import formHost from '@ohos.app.form.formHost';
+import Base from '@ohos.base';
 
 try {
   let formId: string = '12400633174999288';
@@ -477,7 +485,7 @@ try {
     console.error(`error, code: ${error.code}, message: ${error.message}`);
   });
 } catch(error) {
-  console.error(`catch error, code: ${error.code}, message: ${error.message}`);
+  console.error(`catch error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message}`);
 }
 ```
 
@@ -515,6 +523,7 @@ notifyVisibleForms(formIds: Array&lt;string&gt;, callback: AsyncCallback&lt;void
 
 ```ts
 import formHost from '@ohos.app.form.formHost';
+import Base from '@ohos.base';
 
 try {
   let formId: string[] = ['12400633174999288'];
@@ -524,7 +533,7 @@ try {
     }
   });
 } catch(error) {
-  console.error(`catch error, code: ${error.code}, message: ${error.message}`);
+  console.error(`catch error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message}`);
 }
 ```
 
@@ -567,6 +576,7 @@ notifyVisibleForms(formIds: Array&lt;string&gt;): Promise&lt;void&gt;
 
 ```ts
 import formHost from '@ohos.app.form.formHost';
+import Base from '@ohos.base';
 
 try {
   let formId: string[] = ['12400633174999288'];
@@ -576,7 +586,7 @@ try {
     console.error(`error, code: ${error.code}, message: ${error.message}`);
   });
 } catch(error) {
-  console.error(`catch error, code: ${error.code}, message: ${error.message}`);
+  console.error(`catch error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message}`);
 }
 ```
 
@@ -614,6 +624,7 @@ notifyInvisibleForms(formIds: Array&lt;string&gt;, callback: AsyncCallback&lt;vo
 
 ```ts
 import formHost from '@ohos.app.form.formHost';
+import Base from '@ohos.base';
 
 try {
   let formId: string[] = ['12400633174999288'];
@@ -623,7 +634,7 @@ try {
     }
   });
 } catch(error) {
-  console.error(`catch error, code: ${error.code}, message: ${error.message}`);
+  console.error(`catch error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message}`);
 }
 ```
 
@@ -666,6 +677,7 @@ notifyInvisibleForms(formIds: Array&lt;string&gt;): Promise&lt;void&gt;
 
 ```ts
 import formHost from '@ohos.app.form.formHost';
+import Base from '@ohos.base';
 
 try {
   let formId: string[] = ['12400633174999288'];
@@ -675,7 +687,7 @@ try {
     console.error(`error, code: ${error.code}, message: ${error.message}`);
   });
 } catch(error) {
-  console.error(`catch error, code: ${error.code}, message: ${error.message}`);
+  console.error(`catch error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message}`);
 }
 ```
 
@@ -714,6 +726,7 @@ enableFormsUpdate(formIds: Array&lt;string&gt;, callback: AsyncCallback&lt;void&
 
 ```ts
 import formHost from '@ohos.app.form.formHost';
+import Base from '@ohos.base';
 
 try {
   let formId: string[] = ['12400633174999288'];
@@ -723,7 +736,7 @@ try {
     }
   });
 } catch(error) {
-  console.error(`catch error, code: ${error.code}, message: ${error.message}`);
+  console.error(`catch error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message}`);
 }
 ```
 
@@ -767,6 +780,7 @@ enableFormsUpdate(formIds: Array&lt;string&gt;): Promise&lt;void&gt;
 
 ```ts
 import formHost from '@ohos.app.form.formHost';
+import Base from '@ohos.base';
 
 try {
   let formId: string[] = ['12400633174999288'];
@@ -776,7 +790,7 @@ try {
     console.error(`error, code: ${error.code}, message: ${error.message}`);
   });
 } catch(error) {
-  console.error(`catch error, code: ${error.code}, message: ${error.message}`);
+  console.error(`catch error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message}`);
 }
 ```
 
@@ -816,6 +830,7 @@ disableFormsUpdate(formIds: Array&lt;string&gt;, callback: AsyncCallback&lt;void
 
 ```ts
 import formHost from '@ohos.app.form.formHost';
+import Base from '@ohos.base';
 
 try {
   let formId: string[] = ['12400633174999288'];
@@ -825,7 +840,7 @@ try {
     }
   });
 } catch(error) {
-  console.error(`catch error, code: ${error.code}, message: ${error.message}`);
+  console.error(`catch error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message}`);
 }
 ```
 
@@ -870,6 +885,7 @@ disableFormsUpdate(formIds: Array&lt;string&gt;): Promise&lt;void&gt;
 
 ```ts
 import formHost from '@ohos.app.form.formHost';
+import Base from '@ohos.base';
 
 try {
   let formId: string[] = ['12400633174999288'];
@@ -879,7 +895,7 @@ try {
     console.error(`error, code: ${error.code}, message: ${error.message}`);
   });
 } catch(error) {
-  console.error(`catch error, code: ${error.code}, message: ${error.message}`);
+  console.error(`catch error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message}`);
 }
 ```
 
@@ -910,6 +926,7 @@ isSystemReady(callback: AsyncCallback&lt;void&gt;): void
 
 ```ts
 import formHost from '@ohos.app.form.formHost';
+import Base from '@ohos.base';
 
 try {
   formHost.isSystemReady((error: Base.BusinessError) => {
@@ -918,7 +935,7 @@ try {
     }
   });
 } catch(error) {
-  console.error(`catch error, code: ${error.code}, message: ${error.message}`);
+  console.error(`catch error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message}`);
 }
 ```
 
@@ -948,6 +965,7 @@ isSystemReady(): Promise&lt;void&gt;
 
 ```ts
 import formHost from '@ohos.app.form.formHost';
+import Base from '@ohos.base';
 
 try {
   formHost.isSystemReady().then(() => {
@@ -956,7 +974,7 @@ try {
     console.error(`error, code: ${error.code}, message: ${error.message}`);
   });
 } catch(error) {
-  console.error(`catch error, code: ${error.code}, message: ${error.message}`);
+  console.error(`catch error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message}`);
 }
 ```
 
@@ -994,6 +1012,7 @@ getAllFormsInfo(callback: AsyncCallback&lt;Array&lt;formInfo.FormInfo&gt;&gt;):
 ```ts
 import formHost from '@ohos.app.form.formHost';
 import formInfo from '@ohos.app.form.formInfo';
+import Base from '@ohos.base';
 
 try {
   formHost.getAllFormsInfo((error: Base.BusinessError, data: formInfo.FormInfo[]) => {
@@ -1004,7 +1023,7 @@ try {
     }
   });
 } catch(error) {
-  console.error(`catch error, code: ${error.code}, message: ${error.message}`);
+  console.error(`catch error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message}`);
 }
 ```
 
@@ -1041,6 +1060,7 @@ getAllFormsInfo(): Promise&lt;Array&lt;formInfo.FormInfo&gt;&gt;
 ```ts
 import formHost from '@ohos.app.form.formHost';
 import formInfo from '@ohos.app.form.formInfo';
+import Base from '@ohos.base';
 
 try {
   formHost.getAllFormsInfo().then((data: formInfo.FormInfo[]) => {
@@ -1049,7 +1069,7 @@ try {
     console.error(`error, code: ${error.code}, message: ${error.message}`);
   });
 } catch(error) {
-  console.error(`catch error, code: ${error.code}, message: ${error.message}`);
+  console.error(`catch error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message}`);
 }
 ```
 
@@ -1089,6 +1109,7 @@ getFormsInfo(bundleName: string, callback: AsyncCallback&lt;Array&lt;formInfo.Fo
 ```ts
 import formHost from '@ohos.app.form.formHost';
 import formInfo from '@ohos.app.form.formInfo';
+import Base from '@ohos.base';
 
 try {
   formHost.getFormsInfo('com.example.ohos.formjsdemo', (error: Base.BusinessError, data: formInfo.FormInfo[]) => {
@@ -1099,7 +1120,7 @@ try {
     }
   });
 } catch(error) {
-  console.error(`catch error, code: ${error.code}, message: ${error.message}`);
+  console.error(`catch error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message}`);
 }
 ```
 
@@ -1140,6 +1161,7 @@ getFormsInfo(bundleName: string, moduleName: string, callback: AsyncCallback&lt;
 ```ts
 import formHost from '@ohos.app.form.formHost';
 import formInfo from '@ohos.app.form.formInfo';
+import Base from '@ohos.base';
 
 try {
   formHost.getFormsInfo('com.example.ohos.formjsdemo', 'entry', (error: Base.BusinessError, data: formInfo.FormInfo[]) => {
@@ -1150,7 +1172,7 @@ try {
     }
   });
 } catch(error) {
-  console.error(`catch error, code: ${error.code}, message: ${error.message}`);
+  console.error(`catch error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message}`);
 }
 ```
 
@@ -1196,6 +1218,7 @@ getFormsInfo(bundleName: string, moduleName?: string): Promise&lt;Array&lt;formI
 ```ts
 import formHost from '@ohos.app.form.formHost';
 import formInfo from '@ohos.app.form.formInfo';
+import Base from '@ohos.base';
 
 try {
   formHost.getFormsInfo('com.example.ohos.formjsdemo', 'entry').then((data: formInfo.FormInfo[]) => {
@@ -1204,7 +1227,7 @@ try {
     console.error(`error, code: ${error.code}, message: ${error.message}`);
   });
 } catch(error) {
-  console.error(`catch error, code: ${error.code}, message: ${error.message}`);
+  console.error(`catch error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message}`);
 }
 ```
 
@@ -1242,6 +1265,7 @@ deleteInvalidForms(formIds: Array&lt;string&gt;, callback: AsyncCallback&lt;numb
 
 ```ts
 import formHost from '@ohos.app.form.formHost';
+import Base from '@ohos.base';
 
 try {
   let formIds: string[] = new Array('12400633174999288', '12400633174999289');
@@ -1253,7 +1277,7 @@ try {
     }
   });
 } catch(error) {
-  console.error(`catch error, code: ${error.code}, message: ${error.message}`);
+  console.error(`catch error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message}`);
 }
 ```
 
@@ -1296,6 +1320,7 @@ deleteInvalidForms(formIds: Array&lt;string&gt;): Promise&lt;number&gt;
 
 ```ts
 import formHost from '@ohos.app.form.formHost';
+import Base from '@ohos.base';
 
 try {
   let formIds: string[] = new Array('12400633174999288', '12400633174999289');
@@ -1305,7 +1330,7 @@ try {
     console.error(`error, code: ${error.code}, message: ${error.message}`);
   });
 } catch(error) {
-  console.error(`catch error, code: ${error.code}, message: ${error.message}`);
+  console.error(`catch error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message}`);
 }
 ```
 
@@ -1346,6 +1371,7 @@ acquireFormState(want: Want, callback: AsyncCallback&lt;formInfo.FormStateInfo&g
 import formHost from '@ohos.app.form.formHost';
 import Want from '@ohos.app.ability.Want';
 import formInfo from '@ohos.app.form.formInfo';
+import Base from '@ohos.base';
 
 let want: Want = {
   'deviceId': '',
@@ -1366,7 +1392,7 @@ try {
     }
   });
 } catch(error) {
-  console.error(`catch error, code: ${error.code}, message: ${error.message}`);
+  console.error(`catch error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message}`);
 }
 ```
 
@@ -1412,6 +1438,7 @@ acquireFormState(want: Want): Promise&lt;formInfo.FormStateInfo&gt;
 import formHost from '@ohos.app.form.formHost';
 import Want from '@ohos.app.ability.Want';
 import formInfo from '@ohos.app.form.formInfo';
+import Base from '@ohos.base';
 
 let want: Want = {
   'deviceId': '',
@@ -1430,7 +1457,7 @@ try {
     console.error(`error, code: ${error.code}, message: ${error.message}`);
   });
 } catch(error) {
-  console.error(`catch error, code: ${error.code}, message: ${error.message}`);
+  console.error(`catch error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message}`);
 }
 ```
 
@@ -1538,6 +1565,7 @@ notifyFormsVisible(formIds: Array&lt;string&gt;, isVisible: boolean, callback: A
 
 ```ts
 import formHost from '@ohos.app.form.formHost';
+import Base from '@ohos.base';
 
 let formIds: string[] = new Array('12400633174999288', '12400633174999289');
 try {
@@ -1547,7 +1575,7 @@ try {
     }
   });
 } catch(error) {
-  console.error(`catch error, code: ${error.code}, message: ${error.message}`);
+  console.error(`catch error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message}`);
 }
 ```
 
@@ -1592,6 +1620,7 @@ notifyFormsVisible(formIds: Array&lt;string&gt;, isVisible: boolean): Promise&lt
 
 ```ts
 import formHost from '@ohos.app.form.formHost';
+import Base from '@ohos.base';
 
 let formIds: string[] = new Array('12400633174999288', '12400633174999289');
 try {
@@ -1601,7 +1630,7 @@ try {
     console.error(`error, code: ${error.code}, message: ${error.message}`);
   });
 } catch(error) {
-  console.error(`catch error, code: ${error.code}, message: ${error.message}`);
+  console.error(`catch error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message}`);
 }
 ```
 
@@ -1641,6 +1670,7 @@ notifyFormsEnableUpdate(formIds: Array&lt;string&gt;, isEnableUpdate: boolean, c
 
 ```ts
 import formHost from '@ohos.app.form.formHost';
+import Base from '@ohos.base';
 
 let formIds: string[] = new Array('12400633174999288', '12400633174999289');
 try {
@@ -1650,7 +1680,7 @@ try {
     }
   });
 } catch(error) {
-  console.error(`catch error, code: ${error.code}, message: ${error.message}`);
+  console.error(`catch error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message}`);
 }
 ```
 
@@ -1695,6 +1725,7 @@ notifyFormsEnableUpdate(formIds: Array&lt;string&gt;, isEnableUpdate: boolean):
 
 ```ts
 import formHost from '@ohos.app.form.formHost';
+import Base from '@ohos.base';
 
 let formIds: string[] = new Array('12400633174999288', '12400633174999289');
 try {
@@ -1704,7 +1735,7 @@ try {
     console.error(`error, code: ${error.code}, message: ${error.message}`);
   });
 } catch(error) {
-  console.error(`catch error, code: ${error.code}, message: ${error.message}`);
+  console.error(`catch error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message}`);
 }
 ```
 ## shareForm
@@ -1743,6 +1774,7 @@ shareForm(formId: string, deviceId: string, callback: AsyncCallback&lt;void&gt;)
 
 ```ts
 import formHost from '@ohos.app.form.formHost';
+import Base from '@ohos.base';
 
 let formId: string = '12400633174999288';
 let deviceId: string = 'EFC11C0C53628D8CC2F8CB5052477E130D075917034613B9884C55CD22B3DEF2';
@@ -1753,7 +1785,7 @@ try {
     }
   });
 } catch(error) {
-  console.error(`catch error, code: ${error.code}, message: ${error.message}`);
+  console.error(`catch error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message}`);
 }
 ```
 
@@ -1798,6 +1830,7 @@ shareForm(formId: string, deviceId: string): Promise&lt;void&gt;
 
 ```ts
 import formHost from '@ohos.app.form.formHost';
+import Base from '@ohos.base';
 
 let formId: string = '12400633174999288';
 let deviceId: string = 'EFC11C0C53628D8CC2F8CB5052477E130D075917034613B9884C55CD22B3DEF2';
@@ -1808,7 +1841,7 @@ try {
     console.error(`error, code: ${error.code}, message: ${error.message}`);
   });
 } catch(error) {
-  console.error(`catch error, code: ${error.code}, message: ${error.message}`);
+  console.error(`catch error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message}`);
 }
 ```
 
@@ -1847,6 +1880,7 @@ notifyFormsPrivacyProtected(formIds: Array\<string>, isProtected: boolean, callb
 
 ```ts
 import formHost from '@ohos.app.form.formHost';
+import Base from '@ohos.base';
 
 let formIds: string[] = new Array('12400633174999288', '12400633174999289');
 try {
@@ -1856,7 +1890,7 @@ try {
     }
   });
 } catch(error) {
-  console.error(`catch error, code: ${error.code}, message: ${error.message}`);
+  console.error(`catch error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message}`);
 }
 ```
 
@@ -1898,6 +1932,7 @@ notifyFormsPrivacyProtected(formIds: Array\<string\>, isProtected: boolean): Pro
 
 ```ts
 import formHost from '@ohos.app.form.formHost';
+import Base from '@ohos.base';
 
 let formIds: string[] = new Array('12400633174999288', '12400633174999289');
 try {
@@ -1907,7 +1942,7 @@ try {
     console.error(`error, code: ${error.code}, message: ${error.message}`);
   });
 } catch(error) {
-  console.error(`catch error, code: ${error.code}, message: ${error.message}`);
+  console.error(`catch error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message}`);
 }
 ```
 
@@ -1955,7 +1990,7 @@ try {
     }
   });
 } catch(error) {
-  console.error(`catch error, code: ${error.code}, message: ${error.message}`);
+  console.error(`catch error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message}`);
 }
 ```
 
@@ -1996,6 +2031,7 @@ acquireFormData(formId: string): Promise<{[key: string]: Object}>;
 
 ```ts
 import formHost from '@ohos.app.form.formHost';
+import Base from '@ohos.base';
 
 let formId: string = '12400633174999288';
 try {
@@ -2005,6 +2041,6 @@ try {
     console.error(`error, code: ${error.code}, message: ${error.message}`);
   });
 } catch(error) {
-  console.error(`catch error, code: ${error.code}, message: ${error.message}`);
+  console.error(`catch error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message}`);
 }
 ```
diff --git a/zh-cn/application-dev/reference/apis/js-apis-app-form-formProvider.md b/zh-cn/application-dev/reference/apis/js-apis-app-form-formProvider.md
index 1fbd76de0921498c621ad515db8ad57d30cdbf26..1fb2cfb923f9df82c12a8e5922d59f81bd884450 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-app-form-formProvider.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-app-form-formProvider.md
@@ -9,7 +9,6 @@ FormProvider模块提供了卡片提供方相关接口的能力，开发者在
 
 ```ts
 import formProvider from '@ohos.app.form.formProvider';
-import Base from '@ohos.base';
 ```
 
 ## setFormNextRefreshTime
@@ -46,6 +45,8 @@ setFormNextRefreshTime(formId: string, minute: number, callback: AsyncCallback&l
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 let formId: string = '12400633174999288';
 try {
   formProvider.setFormNextRefreshTime(formId, 5, (error: Base.BusinessError) => {
@@ -56,7 +57,7 @@ try {
     console.log(`formProvider setFormNextRefreshTime success`);
   });
 } catch (error) {
-  console.error(`catch error, code: ${error.code}, message: ${error.message})`);
+  console.error(`catch error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message})`);
 }
 ```
 
@@ -99,6 +100,8 @@ setFormNextRefreshTime(formId: string, minute: number): Promise&lt;void&gt;
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 let formId: string = '12400633174999288';
 try {
   formProvider.setFormNextRefreshTime(formId, 5).then(() => {
@@ -107,7 +110,7 @@ try {
     console.error(`promise error, code: ${error.code}, message: ${error.message})`);
   });
 } catch (error) {
-  console.error(`catch error, code: ${error.code}, message: ${error.message})`);
+  console.error(`catch error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message})`);
 }
 ```
 
@@ -145,18 +148,14 @@ updateForm(formId: string, formBindingData: formBindingData.FormBindingData,call
 
 ```ts
 import formBindingData from '@ohos.app.form.formBindingData';
+import Base from '@ohos.base';
 
 let formId: string = '12400633174999288';
 try {
-  class createFormBindingDataParamType {
-    temperature: string
-    time: string
-  }
-  let createFormBindingDataParam: createFormBindingDataParamType = {
-    temperature:'22c',
-    time:'22:00'
-  };
-  let obj = formBindingData.createFormBindingData(createFormBindingDataParam);
+  let obj: formBindingData.FormBindingData = formBindingData.createFormBindingData({
+    temperature: '22c',
+    time: '22:00'
+  });
   formProvider.updateForm(formId, obj, (error: Base.BusinessError) => {
     if (error) {
       console.error(`callback error, code: ${error.code}, message: ${error.message})`);
@@ -165,7 +164,7 @@ try {
     console.log(`formProvider updateForm success`);
   });
 } catch (error) {
-  console.error(`catch error, code: ${error.code}, message: ${error.message})`);
+  console.error(`catch error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message})`);
 }
 ```
 
@@ -208,25 +207,21 @@ updateForm(formId: string, formBindingData: formBindingData.FormBindingData): Pr
 
 ```ts
 import formBindingData from '@ohos.app.form.formBindingData';
+import Base from '@ohos.base';
 
 let formId: string = '12400633174999288';
-class createFormBindingDataParamType {
-    temperature: string
-    time: string
-  }
-  let createFormBindingDataParam: createFormBindingDataParamType = {
-    temperature:'22c',
-    time:'22:00'
-  };
-let obj = formBindingData.createFormBindingData(createFormBindingDataParam);
+let obj: formBindingData.FormBindingData = formBindingData.createFormBindingData({
+  temperature: '22c',
+  time: '22:00'
+});
 try {
   formProvider.updateForm(formId, obj).then(() => {
     console.log(`formProvider updateForm success`);
   }).catch((error: Base.BusinessError) => {
-    console.error(`promise error, code: ${error.code}, message: ${error.message})`);
+    console.error(`promise error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message})`);
   });
 } catch (error) {
-  console.error(`catch error, code: ${error.code}, message: ${error.message})`);
+  console.error(`catch error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message})`);
 }
 ```
 
@@ -267,7 +262,7 @@ try {
     console.log(`formProvider getFormsInfo, data: ${JSON.stringify(data)}`);
   });
 } catch (error) {
-  console.error(`catch error, code: ${error.code}, message: ${error.message})`);
+  console.error(`catch error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message})`);
 }
 ```
 ## getFormsInfo
@@ -314,7 +309,7 @@ try {
     console.log(`formProvider getFormsInfo, data: ${JSON.stringify(data)}`);
   });
 } catch (error) {
-  console.error(`catch error, code: ${error.code}, message: ${error.message})`);
+  console.error(`catch error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message})`);
 }
 ```
 
@@ -353,6 +348,7 @@ getFormsInfo(filter?: formInfo.FormInfoFilter): Promise&lt;Array&lt;formInfo.For
 
 ```ts
 import formInfo from '@ohos.app.form.formInfo';
+import Base from '@ohos.base';
 
 const filter: formInfo.FormInfoFilter = {
   // get info of forms belong to module entry.
@@ -365,7 +361,7 @@ try {
     console.error(`promise error, code: ${error.code}, message: ${error.message})`);
   });
 } catch (error) {
-  console.error(`catch error, code: ${error.code}, message: ${error.message})`);
+  console.error(`catch error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message})`);
 }
 ```
 
@@ -404,6 +400,7 @@ requestPublishForm(want: Want, formBindingData: formBindingData.FormBindingData,
 ```ts
 import formBindingData from '@ohos.app.form.formBindingData';
 import Want from '@ohos.app.ability.Want';
+import Base from '@ohos.base';
 
 let want: Want = {
   abilityName: 'FormAbility',
@@ -414,24 +411,19 @@ let want: Want = {
   }
 };
 try {
-  class createFormBindingDataParamType {
-    temperature: string
-    time: string
-  }
-  let createFormBindingDataParam: createFormBindingDataParamType = {
-    temperature:'22c',
-    time:'22:00'
-  };
-  let obj = formBindingData.createFormBindingData(createFormBindingDataParam);
+  let obj: formBindingData.FormBindingData = formBindingData.createFormBindingData({
+    temperature: '22c',
+    time: '22:00'
+  });
   formProvider.requestPublishForm(want, obj, (error: Base.BusinessError, data: string) => {
     if (error) {
-      console.error(`callback error, code: ${error.code}, message: ${error.message})`);
+      console.error(`callback error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message})`);
       return;
     }
     console.log('formProvider requestPublishForm, form ID is: ${JSON.stringify(data)}');
   });
 } catch (error) {
-  console.error(`catch error, code: ${error.code}, message: ${error.message})`);
+  console.error(`catch error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message})`);
 }
 ```
 
@@ -468,6 +460,7 @@ requestPublishForm(want: Want, callback: AsyncCallback&lt;string&gt;): void
 
 ```ts
 import Want from '@ohos.app.ability.Want';
+import Base from '@ohos.base';
 
 let want: Want = {
   abilityName: 'FormAbility',
@@ -486,7 +479,7 @@ try {
     console.log(`formProvider requestPublishForm, form ID is: ${JSON.stringify(data)}`);
   });
 } catch (error) {
-  console.error(`catch error, code: ${error.code}, message: ${error.message})`);
+  console.error(`catch error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message})`);
 }
 ```
 
@@ -529,6 +522,7 @@ requestPublishForm(want: Want, formBindingData?: formBindingData.FormBindingData
 
 ```ts
 import Want from '@ohos.app.ability.Want';
+import Base from '@ohos.base';
 
 let want: Want = {
   abilityName: 'FormAbility',
@@ -545,7 +539,7 @@ try {
     console.error(`promise error, code: ${error.code}, message: ${error.message})`);
   });
 } catch (error) {
-  console.error(`catch error, code: ${error.code}, message: ${error.message})`);
+  console.error(`catch error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message})`);
 }
 ```
 
@@ -580,6 +574,7 @@ isRequestPublishFormSupported(callback: AsyncCallback&lt;boolean&gt;): void
 
 ```ts
 import Want from '@ohos.app.ability.Want';
+import Base from '@ohos.base';
 
 try {
   formProvider.isRequestPublishFormSupported((error: Base.BusinessError, isSupported: boolean) => {
@@ -604,13 +599,13 @@ try {
             console.log(`formProvider requestPublishForm, form ID is: ${JSON.stringify(data)}`);
           });
         } catch (error) {
-          console.error(`catch error, code: ${error.code}, message: ${error.message})`);
+          console.error(`catch error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message})`);
         }
       }
     }
   });
 } catch (error) {
-  console.error(`catch error, code: ${error.code}, message: ${error.message})`);
+  console.error(`catch error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message})`);
 }
 ```
 
@@ -644,6 +639,7 @@ isRequestPublishFormSupported(): Promise&lt;boolean&gt;
 
 ```ts
 import Want from '@ohos.app.ability.Want';
+import Base from '@ohos.base';
 
 try {
   formProvider.isRequestPublishFormSupported().then((isSupported: boolean) => {
@@ -663,13 +659,13 @@ try {
           console.error(`promise error, code: ${error.code}, message: ${error.message})`);
         });
       } catch (error) {
-        console.error(`catch error, code: ${error.code}, message: ${error.message})`);
+        console.error(`catch error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message})`);
       }
     }
   }).catch((error: Base.BusinessError) => {
     console.error(`promise error, code: ${error.code}, message: ${error.message})`);
   });
 } catch (error) {
-  console.error(`catch error, code: ${error.code}, message: ${error.message})`);
+  console.error(`catch error, code: ${(error as Base.BusinessError).code}, message: ${(error as Base.BusinessError).message})`);
 }
 ```
\ No newline at end of file
diff --git a/zh-cn/application-dev/reference/apis/js-apis-application-configuration.md b/zh-cn/application-dev/reference/apis/js-apis-application-configuration.md
index c2b16b57feadc0d6729f03423c094f32b5f15000..f3d3bf1f5c87454c69759e7fc95c59eda3f350af 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-application-configuration.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-application-configuration.md
@@ -13,6 +13,8 @@
 import Configuration from '@ohos.application.Configuration';
 ```
 
+## 属性
+
 **系统能力**：以下各项对应的系统能力均为SystemCapability.Ability.AbilityBase
 
   | 名称 | 类型 | 可读 | 可写 | 说明 |
diff --git a/zh-cn/application-dev/reference/apis/js-apis-application-dataShareExtensionAbility.md b/zh-cn/application-dev/reference/apis/js-apis-application-dataShareExtensionAbility.md
index f5d7aedb0301474bb718e08b12e0d8dbd32d50a1..ae21d12824c4638f112b6fbe86aef0d9fc99cc8f 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-application-dataShareExtensionAbility.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-application-dataShareExtensionAbility.md
@@ -43,31 +43,32 @@ DataShare客户端连接DataShareExtensionAbility服务端时，服务端回调
 **示例：**
 
 ```ts
-import rdb from '@ohos.data.relationalStore';
+import relationalStore from '@ohos.data.relationalStore'
+import Want from '@ohos.app.ability.Want'
 
 let DB_NAME = 'DB00.db';
 let TBL_NAME = 'TBL00';
 let DDL_TBL_CREATE = 'CREATE TABLE IF NOT EXISTS '
-    + TBL_NAME
-    + ' (id INTEGER PRIMARY KEY AUTOINCREMENT, name TEXT, age INTEGER, phoneNumber DOUBLE, isStudent BOOLEAN, Binary BINARY)';
+  + TBL_NAME
+  + ' (id INTEGER PRIMARY KEY AUTOINCREMENT, name TEXT, age INTEGER, phoneNumber DOUBLE, isStudent BOOLEAN, Binary BINARY)';
 let rdbStore: relationalStore.RdbStore;
 
 export default class DataShareExtAbility extends DataShareExtensionAbility {
-    onCreate(want: Want, callback: Function) {
-        rdb.getRdbStore(this.context, {
-            name: DB_NAME,
-            securityLevel: rdb.SecurityLevel.S1
-        }, (err, data) => {
-            console.info(`getRdbStore done, data : ${data}`);
-            rdbStore = data;
-            rdbStore.executeSql(DDL_TBL_CREATE, [], (err) => {
-                console.error(`executeSql done, error message : ${err}`);
-            });
-            if (callback) {
-                callback();
-            }
-        });
-    }
+  onCreate(want: Want, callback: Function) {
+    relationalStore.getRdbStore(this.context, {
+      name: DB_NAME,
+      securityLevel: relationalStore.SecurityLevel.S1
+    }, (err, data) => {
+      console.info(`getRdbStore done, data : ${data}`);
+      rdbStore = data;
+      rdbStore.executeSql(DDL_TBL_CREATE, [], (err) => {
+        console.error(`executeSql done, error message : ${err}`);
+      });
+      if (callback) {
+        callback();
+      }
+    });
+  }
 };
 ```
 
@@ -90,29 +91,25 @@ insert?(uri: string, valueBucket: ValuesBucket, callback: AsyncCallback&lt;numbe
 **示例：**
 
 ```ts
-import rdb from '@ohos.data.relationalStore';
+import relationalStore from '@ohos.data.relationalStore'
 import { ValuesBucket } from '@ohos.data.ValuesBucket'
 
-let DB_NAME = 'DB00.db';
 let TBL_NAME = 'TBL00';
-let DDL_TBL_CREATE = 'CREATE TABLE IF NOT EXISTS '
-    + TBL_NAME
-    + ' (id INTEGER PRIMARY KEY AUTOINCREMENT, name TEXT, age INTEGER, phoneNumber DOUBLE, isStudent BOOLEAN, Binary BINARY)';
 let rdbStore: relationalStore.RdbStore;
 
 export default class DataShareExtAbility extends DataShareExtensionAbility {
-    insert(uri: string, valueBucket: ValuesBucket, callback: Function) {
-        if (valueBucket === null) {
-            console.error('invalid valueBuckets');
-            return;
-        }
-        rdbStore.insert(TBL_NAME, valueBucket, (err, ret) => {
-            console.info(`callback ret: ${ret}`);
-            if (callback !== undefined) {
-                callback(err, ret);
-            }
-        });
+  insert(uri: string, valueBucket: ValuesBucket, callback: Function) {
+    if (valueBucket === null) {
+      console.error('invalid valueBuckets');
+      return;
     }
+    rdbStore.insert(TBL_NAME, valueBucket, (err, ret) => {
+      console.info(`callback ret: ${ret}`);
+      if (callback !== undefined) {
+        callback(err, ret);
+      }
+    });
+  }
 };
 ```
 
@@ -136,28 +133,24 @@ update?(uri: string, predicates: dataSharePredicates.DataSharePredicates, valueB
 **示例：**
 
 ```ts
-import rdb from '@ohos.data.relationalStore';
+import relationalStore from '@ohos.data.relationalStore';
 import dataSharePredicates from '@ohos.data.dataSharePredicates';
 import { ValuesBucket } from '@ohos.data.ValuesBucket'
 
-let DB_NAME = 'DB00.db';
 let TBL_NAME = 'TBL00';
-let DDL_TBL_CREATE = 'CREATE TABLE IF NOT EXISTS '
-    + TBL_NAME
-    + ' (id INTEGER PRIMARY KEY AUTOINCREMENT, name TEXT, age INTEGER, phoneNumber DOUBLE, isStudent BOOLEAN, Binary BINARY)';
 let rdbStore: relationalStore.RdbStore;
 
 export default class DataShareExtAbility extends DataShareExtensionAbility {
-    update(uri: string, predicates: dataSharePredicates.DataSharePredicates, valueBucket: ValuesBucket, callback: Function) {
-        if (predicates === null || predicates === undefined) {
-            return;
-        }
-        rdbStore.update(TBL_NAME, valueBucket, predicates, (err, ret) => {
-            if (callback !== undefined) {
-                callback(err, ret);
-            }
-        });
+  update(uri: string, predicates: dataSharePredicates.DataSharePredicates, valueBucket: ValuesBucket, callback: Function) {
+    if (predicates === null || predicates === undefined) {
+      return;
     }
+    rdbStore.update(TBL_NAME, valueBucket, predicates, (err, ret) => {
+      if (callback !== undefined) {
+        callback(err, ret);
+      }
+    });
+  }
 };
 ```
 
@@ -180,27 +173,23 @@ delete?(uri: string, predicates: dataSharePredicates.DataSharePredicates, callba
 **示例：**
 
 ```ts
-import rdb from '@ohos.data.relationalStore';
+import relationalStore from '@ohos.data.relationalStore';
 import dataSharePredicates from '@ohos.data.dataSharePredicates';
 
-let DB_NAME = 'DB00.db';
 let TBL_NAME = 'TBL00';
-let DDL_TBL_CREATE = 'CREATE TABLE IF NOT EXISTS '
-    + TBL_NAME
-    + ' (id INTEGER PRIMARY KEY AUTOINCREMENT, name TEXT, age INTEGER, phoneNumber DOUBLE, isStudent BOOLEAN, Binary BINARY)';
 let rdbStore: relationalStore.RdbStore;
 
 export default class DataShareExtAbility extends DataShareExtensionAbility {
-    delete(uri: string, predicates: dataSharePredicates.DataSharePredicates, callback: Function) {
-        if (predicates === null || predicates === undefined) {
-            return;
-        }
-        rdbStore.delete(TBL_NAME, predicates, (err, ret) => {
-            if (callback !== undefined) {
-                callback(err, ret);
-            }
-        });
+  delete(uri: string, predicates: dataSharePredicates.DataSharePredicates, callback: Function) {
+    if (predicates === null || predicates === undefined) {
+      return;
     }
+    rdbStore.delete(TBL_NAME, predicates, (err, ret) => {
+      if (callback !== undefined) {
+        callback(err, ret);
+      }
+    });
+  }
 };
 ```
 
@@ -224,30 +213,26 @@ query?(uri: string, predicates: dataSharePredicates.DataSharePredicates, columns
 **示例：**
 
 ```ts
-import rdb from '@ohos.data.relationalStore';
+import relationalStore from '@ohos.data.relationalStore';
 import dataSharePredicates from '@ohos.data.dataSharePredicates';
 
-let DB_NAME = 'DB00.db';
 let TBL_NAME = 'TBL00';
-let DDL_TBL_CREATE = 'CREATE TABLE IF NOT EXISTS '
-    + TBL_NAME
-    + ' (id INTEGER PRIMARY KEY AUTOINCREMENT, name TEXT, age INTEGER, phoneNumber DOUBLE, isStudent BOOLEAN, Binary BINARY)';
 let rdbStore: relationalStore.RdbStore;
 
 export default class DataShareExtAbility extends DataShareExtensionAbility {
-    query(uri: string, predicates: dataSharePredicates.DataSharePredicates, columns: Array<string>, callback: Function) {
-        if (predicates === null || predicates === undefined) {
-            return;
-        }
-        rdbStore.query(TBL_NAME, predicates, columns, (err, resultSet) => {
-            if (resultSet !== undefined) {
-                console.info(`resultSet.rowCount: ${resultSet.rowCount}`);
-            }
-            if (callback !== undefined) {
-                callback(err, resultSet);
-            }
-        });
+  query(uri: string, predicates: dataSharePredicates.DataSharePredicates, columns: Array<string>, callback: Function) {
+    if (predicates === null || predicates === undefined) {
+      return;
     }
+    rdbStore.query(TBL_NAME, predicates, columns, (err, resultSet) => {
+      if (resultSet !== undefined) {
+        console.info(`resultSet.rowCount: ${resultSet.rowCount}`);
+      }
+      if (callback !== undefined) {
+        callback(err, resultSet);
+      }
+    });
+  }
 };
 ```
 
@@ -270,14 +255,10 @@ batchInsert?(uri: string, valueBuckets: Array&lt;ValuesBucket&gt;, callback: Asy
 **示例：**
 
 ```ts
-import rdb from '@ohos.data.relationalStore';
+import relationalStore from '@ohos.data.relationalStore';
 import { ValuesBucket } from '@ohos.data.ValuesBucket'
 
-let DB_NAME = 'DB00.db';
 let TBL_NAME = 'TBL00';
-let DDL_TBL_CREATE = 'CREATE TABLE IF NOT EXISTS '
-    + TBL_NAME
-    + ' (id INTEGER PRIMARY KEY AUTOINCREMENT, name TEXT, age INTEGER, phoneNumber DOUBLE, isStudent BOOLEAN, Binary BINARY)';
 let rdbStore: relationalStore.RdbStore;
 
 export default class DataShareExtAbility extends DataShareExtensionAbility {
@@ -313,6 +294,8 @@ normalizeUri?(uri: string, callback: AsyncCallback&lt;string&gt;): void
 **示例：**
 
 ```ts
+import { BusinessError } from '@ohos.base'
+
 export default class DataShareExtAbility extends DataShareExtensionAbility {
   normalizeUri(uri: string, callback: Function) {
     let key = 'code';
@@ -346,6 +329,8 @@ denormalizeUri?(uri: string, callback: AsyncCallback&lt;string&gt;): void
 **示例：**
 
 ```ts
+import { BusinessError } from '@ohos.base'
+
 export default class DataShareExtAbility extends DataShareExtensionAbility {
   denormalizeUri(uri: string, callback: Function) {
     let key = 'code';
diff --git a/zh-cn/application-dev/reference/apis/js-apis-application-formBindingData.md b/zh-cn/application-dev/reference/apis/js-apis-application-formBindingData.md
index 40a9952eb8887299476380badd48ee8ff4a39136..8e839bf40752eccfb7565a375115737cb3c413b6 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-application-formBindingData.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-application-formBindingData.md
@@ -50,6 +50,7 @@ createFormBindingData(obj?: Object | string): FormBindingData
 ```ts
 import formBindingData from '@ohos.application.formBindingData';
 import fs from '@ohos.file.fs';
+import Base from '@ohos.base';
 
 try {
   let fd = fs.openSync('/path/to/form.png');
@@ -61,6 +62,6 @@ try {
 
   formBindingData.createFormBindingData(createFormBindingDataParam);
 } catch (error) {
-  console.error('catch error, error: ${JSON.stringify(error)}');
+  console.error(`catch error, error: ${JSON.stringify(error as Base.BusinessError)}`);
 }
 ```
diff --git a/zh-cn/application-dev/reference/apis/js-apis-application-formHost.md b/zh-cn/application-dev/reference/apis/js-apis-application-formHost.md
index 3929632886844574e65e673b441be97b715edb46..3ee1aa5ca975c3e087ead700db9d5e98e498a75a 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-application-formHost.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-application-formHost.md
@@ -12,7 +12,6 @@ formHost模块提供了卡片使用方相关接口的能力，包括对使用方
 
 ```ts
 import formHost from '@ohos.application.formHost';
-import Base from '@ohos.base';
 ```
 
 ## deleteForm
@@ -38,9 +37,9 @@ deleteForm(formId: string, callback: AsyncCallback&lt;void&gt;): void
 import formHost from '@ohos.application.formHost';
 
 let formId: string = '12400633174999288';
-formHost.deleteForm(formId, (error, data) => {
+formHost.deleteForm(formId, (error: Base.BusinessError) => {
   if (error.code) {
-    console.error('formHost deleteForm, error: ${JSON.stringify(error)}');
+    console.error(`formHost deleteForm, error: ${JSON.stringify(error)}`);
   }
 });
 ```
@@ -71,6 +70,7 @@ deleteForm(formId: string): Promise&lt;void&gt;
 
 ```ts
 import formHost from '@ohos.application.formHost';
+import Base from '@ohos.base';
 
 let formId: string = '12400633174999288';
 formHost.deleteForm(formId).then(() => {
@@ -101,6 +101,7 @@ releaseForm(formId: string, callback: AsyncCallback&lt;void&gt;): void
 
 ```ts
 import formHost from '@ohos.application.formHost';
+import Base from '@ohos.base';
 
 let formId: string = '12400633174999288';
 formHost.releaseForm(formId, (error: Base.BusinessError) => {
@@ -134,6 +135,7 @@ releaseForm(formId: string, isReleaseCache: boolean, callback: AsyncCallback&lt;
 
 ```ts
 import formHost from '@ohos.application.formHost';
+import Base from '@ohos.base';
 
 let formId: string = '12400633174999288';
 formHost.releaseForm(formId, true, (error: Base.BusinessError) => {
@@ -172,6 +174,7 @@ releaseForm(formId: string, isReleaseCache?: boolean): Promise&lt;void&gt;
 
 ```ts
 import formHost from '@ohos.application.formHost';
+import Base from '@ohos.base';
 
 let formId: string = '12400633174999288';
 formHost.releaseForm(formId, true).then(() => {
@@ -202,6 +205,7 @@ requestForm(formId: string, callback: AsyncCallback&lt;void&gt;): void
 
 ```ts
 import formHost from '@ohos.application.formHost';
+import Base from '@ohos.base';
 
 let formId: string = '12400633174999288';
 formHost.requestForm(formId, (error: Base.BusinessError) => {
@@ -237,6 +241,7 @@ requestForm(formId: string): Promise&lt;void&gt;
 
 ```ts
 import formHost from '@ohos.application.formHost';
+import Base from '@ohos.base';
 
 let formId: string = '12400633174999288';
 formHost.requestForm(formId).then(() => {
@@ -267,6 +272,7 @@ castTempForm(formId: string, callback: AsyncCallback&lt;void&gt;): void
 
 ```ts
 import formHost from '@ohos.application.formHost';
+import Base from '@ohos.base';
 
 let formId: string = '12400633174999288';
 formHost.castTempForm(formId, (error: Base.BusinessError) => {
@@ -302,6 +308,7 @@ castTempForm(formId: string): Promise&lt;void&gt;
 
 ```ts
 import formHost from '@ohos.application.formHost';
+import Base from '@ohos.base';
 
 let formId: string = '12400633174999288';
 formHost.castTempForm(formId).then(() => {
@@ -332,11 +339,12 @@ notifyVisibleForms(formIds: Array&lt;string&gt;, callback: AsyncCallback&lt;void
 
 ```ts
 import formHost from '@ohos.application.formHost';
+import Base from '@ohos.base';
 
 let formId: string[] = ['12400633174999288'];
 formHost.notifyVisibleForms(formId, (error: Base.BusinessError) => {
   if (error.code) {
-    console.error('formHost notifyVisibleForms, error: ${JSON.stringify(error)}');
+    console.error(`formHost notifyVisibleForms, error: ${JSON.stringify(error)}`);
   }
 });
 ```
@@ -367,6 +375,7 @@ notifyVisibleForms(formIds: Array&lt;string&gt;): Promise&lt;void&gt;
 
 ```ts
 import formHost from '@ohos.application.formHost';
+import Base from '@ohos.base';
 
 let formId: string[] = ['12400633174999288'];
 formHost.notifyVisibleForms(formId).then(() => {
@@ -397,6 +406,7 @@ notifyInvisibleForms(formIds: Array&lt;string&gt;, callback: AsyncCallback&lt;vo
 
 ```ts
 import formHost from '@ohos.application.formHost';
+import Base from '@ohos.base';
 
 let formId: string[] = ['12400633174999288'];
 formHost.notifyInvisibleForms(formId, (error: Base.BusinessError) => {
@@ -432,6 +442,7 @@ notifyInvisibleForms(formIds: Array&lt;string&gt;): Promise&lt;void&gt;
 
 ```ts
 import formHost from '@ohos.application.formHost';
+import Base from '@ohos.base';
 
 let formId: string[] = ['12400633174999288'];
 formHost.notifyInvisibleForms(formId).then(() => {
@@ -462,6 +473,7 @@ enableFormsUpdate(formIds: Array&lt;string&gt;, callback: AsyncCallback&lt;void&
 
 ```ts
 import formHost from '@ohos.application.formHost';
+import Base from '@ohos.base';
 
 let formId: string[] = ['12400633174999288'];
 formHost.enableFormsUpdate(formId, (error: Base.BusinessError) => {
@@ -497,6 +509,7 @@ enableFormsUpdate(formIds: Array&lt;string&gt;): Promise&lt;void&gt;
 
 ```ts
 import formHost from '@ohos.application.formHost';
+import Base from '@ohos.base';
 
 let formId: string[] = ['12400633174999288'];
 formHost.enableFormsUpdate(formId).then(() => {
@@ -527,6 +540,7 @@ disableFormsUpdate(formIds: Array&lt;string&gt;, callback: AsyncCallback&lt;void
 
 ```ts
 import formHost from '@ohos.application.formHost';
+import Base from '@ohos.base';
 
 let formId: string[] = ['12400633174999288'];
 formHost.disableFormsUpdate(formId, (error: Base.BusinessError) => {
@@ -562,6 +576,7 @@ disableFormsUpdate(formIds: Array&lt;string&gt;): Promise&lt;void&gt;
 
 ```ts
 import formHost from '@ohos.application.formHost';
+import Base from '@ohos.base';
 
 let formId: string[] = ['12400633174999288'];
 formHost.disableFormsUpdate(formId).then(() => {
@@ -589,6 +604,7 @@ isSystemReady(callback: AsyncCallback&lt;void&gt;): void
 
 ```ts
 import formHost from '@ohos.application.formHost';
+import Base from '@ohos.base';
 
 let formId: string = '12400633174999288';
 formHost.isSystemReady((error: Base.BusinessError) => {
@@ -616,6 +632,7 @@ isSystemReady(): Promise&lt;void&gt;
 
 ```ts
 import formHost from '@ohos.application.formHost';
+import Base from '@ohos.base';
 
 let formId: string = '12400633174999288';
 formHost.isSystemReady().then(() => {
@@ -646,6 +663,7 @@ getAllFormsInfo(callback: AsyncCallback&lt;Array&lt;formInfo.FormInfo&gt;&gt;):
 ```ts
 import formHost from '@ohos.application.formHost';
 import formInfo from '@ohos.app.form.formInfo';
+import Base from '@ohos.base';
 
 formHost.getAllFormsInfo((error: Base.BusinessError, data: formInfo.FormInfo[]) => {
   if (error.code) {
@@ -677,6 +695,7 @@ getAllFormsInfo(): Promise&lt;Array&lt;formInfo.FormInfo&gt;&gt;
   ```ts
   import formHost from '@ohos.application.formHost';
   import formInfo from '@ohos.app.form.formInfo';
+  import Base from '@ohos.base';
 
   formHost.getAllFormsInfo().then((data: formInfo.FormInfo[]) => {
     console.log('formHost getAllFormsInfo data: ${JSON.stringify(data)}');
@@ -707,6 +726,7 @@ getFormsInfo(bundleName: string, callback: AsyncCallback&lt;Array&lt;formInfo.Fo
 ```ts
 import formHost from '@ohos.application.formHost';
 import formInfo from '@ohos.app.form.formInfo';
+import Base from '@ohos.base';
 
 formHost.getFormsInfo('com.example.ohos.formjsdemo', (error: Base.BusinessError, data: formInfo.FormInfo[]) => {
   if (error.code) {
@@ -740,6 +760,7 @@ getFormsInfo(bundleName: string, moduleName: string, callback: AsyncCallback&lt;
 ```ts
 import formHost from '@ohos.application.formHost';
 import formInfo from '@ohos.app.form.formInfo';
+import Base from '@ohos.base';
 
 formHost.getFormsInfo('com.example.ohos.formjsdemo', 'entry', (error: Base.BusinessError, data: formInfo.FormInfo[]) => {
   if (error.code) {
@@ -777,6 +798,8 @@ getFormsInfo(bundleName: string, moduleName?: string): Promise&lt;Array&lt;formI
 
   ```ts
   import formHost from '@ohos.application.formHost';
+  import Base from '@ohos.base';
+
 
   formHost.getFormsInfo('com.example.ohos.formjsdemo', 'entry').then((data: formInfo.FormInfo[]) => {
     console.log(`formHost getFormsInfo, data: ${JSON.stringify(data)}`);
@@ -806,6 +829,7 @@ deleteInvalidForms(formIds: Array&lt;string&gt;, callback: AsyncCallback&lt;numb
 
 ```ts
 import formHost from '@ohos.application.formHost';
+import Base from '@ohos.base';
 
 let formIds: string[] = new Array('12400633174999288', '12400633174999289');
 formHost.deleteInvalidForms(formIds, (error: Base.BusinessError, data: number) => {
@@ -843,6 +867,7 @@ deleteInvalidForms(formIds: Array&lt;string&gt;): Promise&lt;number&gt;
 
 ```ts
 import formHost from '@ohos.application.formHost';
+import Base from '@ohos.base';
 
 let formIds: string[] = new Array('12400633174999288', '12400633174999289');
 formHost.deleteInvalidForms(formIds).then((data: number) => {
@@ -875,6 +900,7 @@ acquireFormState(want: Want, callback: AsyncCallback&lt;formInfo.FormStateInfo&g
 import formHost from '@ohos.application.formHost';
 import Want from '@ohos.app.ability.Want';
 import formInfo from '@ohos.app.form.formInfo';
+import Base from '@ohos.base';
 
 let want: Want = {
   'deviceId': '',
@@ -923,6 +949,7 @@ acquireFormState(want: Want): Promise&lt;formInfo.FormStateInfo&gt;
 import formHost from '@ohos.application.formHost';
 import Want from '@ohos.app.ability.Want';
 import formInfo from '@ohos.app.form.formInfo';
+import Base from '@ohos.base';
 
 let want: Want = {
   'deviceId': '',
@@ -1013,6 +1040,7 @@ notifyFormsVisible(formIds: Array&lt;string&gt;, isVisible: boolean, callback: A
 
 ```ts
 import formHost from '@ohos.application.formHost';
+import Base from '@ohos.base';
 
 let formIds: string[]= new Array('12400633174999288', '12400633174999289');
 formHost.notifyFormsVisible(formIds, true, (error: Base.BusinessError) => {
@@ -1049,6 +1077,7 @@ notifyFormsVisible(formIds: Array&lt;string&gt;, isVisible: boolean): Promise&lt
 
 ```ts
 import formHost from '@ohos.application.formHost';
+import Base from '@ohos.base';
 
 let formIds: string[] = new Array('12400633174999288', '12400633174999289');
 formHost.notifyFormsVisible(formIds, true).then(() => {
@@ -1080,6 +1109,7 @@ notifyFormsEnableUpdate(formIds: Array&lt;string&gt;, isEnableUpdate: boolean, c
 
 ```ts
 import formHost from '@ohos.application.formHost';
+import Base from '@ohos.base';
 
 let formIds: string[] = new Array('12400633174999288', '12400633174999289');
 formHost.notifyFormsEnableUpdate(formIds, true, (error: Base.BusinessError) => {
@@ -1116,6 +1146,7 @@ notifyFormsEnableUpdate(formIds: Array&lt;string&gt;, isEnableUpdate: boolean):
 
 ```ts
 import formHost from '@ohos.application.formHost';
+import Base from '@ohos.base';
 
 let formIds: string[] = new Array('12400633174999288', '12400633174999289');
 formHost.notifyFormsEnableUpdate(formIds, true).then(() => {
diff --git a/zh-cn/application-dev/reference/apis/js-apis-application-formProvider.md b/zh-cn/application-dev/reference/apis/js-apis-application-formProvider.md
index 372a6268be56f63b0ff8a2a21f6c75000da4f2c6..8e36e4548d02a45dc4745fd2a537f6799c01e560 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-application-formProvider.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-application-formProvider.md
@@ -10,7 +10,6 @@ FormProvider模块提供了卡片提供方相关接口的能力，开发者在
 
 ```ts
 import formProvider from '@ohos.application.formProvider';
-import Base from '@ohos.base'
 ```
 
 ## setFormNextRefreshTime
@@ -32,6 +31,8 @@ setFormNextRefreshTime(formId: string, minute: number, callback: AsyncCallback&l
 **示例：**
 
   ```ts
+  import Base from '@ohos.base'
+
   let formId: string = '12400633174999288';
   formProvider.setFormNextRefreshTime(formId, 5, (error: Base.BusinessError) => {
     if (error.code) {
@@ -64,6 +65,8 @@ setFormNextRefreshTime(formId: string, minute: number): Promise&lt;void&gt;
 **示例：**
 
   ```ts
+  import Base from '@ohos.base'
+
   let formId: string = '12400633174999288';
   formProvider.setFormNextRefreshTime(formId, 5).then(() => {
     console.log('formProvider setFormNextRefreshTime success');
@@ -92,17 +95,13 @@ updateForm(formId: string, formBindingData: formBindingData.FormBindingData,call
 
   ```ts
   import formBindingData from '@ohos.app.form.formBindingData';
+  import Base from '@ohos.base'
 
-  let formId = '12400633174999288';
-  class createBindingDataType {
-    temperature: string
-    time: string
-  };
-  let createBindingDataParam: createBindingDataType = {
-    temperature:'22c',
-    time:'22:00'
-  };
-  let obj = formBindingData.createFormBindingData(createBindingDataParam);
+  let formId: string = '12400633174999288';
+  let obj = formBindingData.createFormBindingData({
+    temperature: '22c',
+    time: '22:00'
+  });
   formProvider.updateForm(formId, obj, (error: Base.BusinessError) => {
     if (error.code) {
       console.error(`formProvider updateForm, error: ${JSON.stringify(error)}`);
@@ -135,17 +134,13 @@ updateForm(formId: string, formBindingData: formBindingData.FormBindingData): Pr
 
   ```ts
   import formBindingData from '@ohos.application.formBindingData';
+  import Base from '@ohos.base'
 
   let formId: string = '12400633174999288';
-  class createBindingDataType {
-    temperature: string
-    time: string
-  };
-  let createBindingDataParam: createBindingDataType = {
-    temperature:'22c',
-    time:'22:00'
-  };
-  let obj = formBindingData.createFormBindingData(createBindingDataParam);
+  let obj = formBindingData.createFormBindingData({
+    temperature: '22c',
+    time: '22:00'
+  });
   formProvider.updateForm(formId, obj).then(() => {
     console.log('formProvider updateForm success');
   }).catch((error: Base.BusinessError) => {
diff --git a/zh-cn/application-dev/reference/apis/js-apis-arkui-UIContext.md b/zh-cn/application-dev/reference/apis/js-apis-arkui-UIContext.md
index 3afa6875ef4da55e55ca6ac98f4203e53f2bb6ff..2799f8a52efa6f14a85b6cd3f95d0ad9baae3f1b 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-arkui-UIContext.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-arkui-UIContext.md
@@ -585,7 +585,9 @@ getSystemFontList(): Array\<string>
 ```ts
 import { ComponentUtils, Font, PromptAction, Router, UIInspector, MediaQuery } from '@ohos.arkui.UIContext';
 let font:Font|undefined = uiContext.getFont();
-font.getSystemFontList()
+if(font){
+  font.getSystemFontList()
+}
 ```
 
 ### getFontByName
@@ -613,7 +615,9 @@ getFontByName(fontName: string): font.FontInfo
 ```ts
 import { ComponentUtils, Font, PromptAction, Router, UIInspector, MediaQuery } from '@ohos.arkui.UIContext';
 let font:Font|undefined = uiContext.getFont();
-font.getFontByName('Sans Italic')
+if(font){
+  font.getFontByName('Sans Italic')
+}
 ```
 
 ## ComponentUtils
@@ -753,7 +757,7 @@ pushUrl(options: router.RouterOptions): Promise&lt;void&gt;
 ```ts
 import { ComponentUtils, Font, PromptAction, Router, UIInspector, MediaQuery } from '@ohos.arkui.UIContext';
 import { BusinessError } from '@ohos.base';
-let router = uiContext.getRouter();
+let router:Router = uiContext.getRouter();
 try {
   router.pushUrl({
     url: 'pages/routerpage2',
@@ -801,7 +805,7 @@ pushUrl(options: router.RouterOptions, callback: AsyncCallback&lt;void&gt;): voi
 ```ts
 import { ComponentUtils, Font, PromptAction, Router, UIInspector, MediaQuery } from '@ohos.arkui.UIContext';
 import { BusinessError } from '@ohos.base';
-let router = uiContext.getRouter();
+let router:Router = uiContext.getRouter();
 router.pushUrl({
   url: 'pages/routerpage2',
   params: {
@@ -970,7 +974,7 @@ replaceUrl(options: router.RouterOptions): Promise&lt;void&gt;
 ```ts
 import { ComponentUtils, Font, PromptAction, Router, UIInspector, MediaQuery } from '@ohos.arkui.UIContext';
 import { BusinessError } from '@ohos.base';
-let router = uiContext.getRouter();
+let router:Router = uiContext.getRouter();
 try {
   router.replaceUrl({
     url: 'pages/detail',
@@ -1014,7 +1018,7 @@ replaceUrl(options: router.RouterOptions, callback: AsyncCallback&lt;void&gt;):
 ```ts
 import { ComponentUtils, Font, PromptAction, Router, UIInspector, MediaQuery } from '@ohos.arkui.UIContext';
 import { BusinessError } from '@ohos.base';
-let router = uiContext.getRouter();
+let router:Router = uiContext.getRouter();
 router.replaceUrl({
   url: 'pages/detail',
   params: {
@@ -1173,7 +1177,7 @@ pushNamedRoute(options: router.NamedRouterOptions): Promise&lt;void&gt;
 ```ts
 import { ComponentUtils, Font, PromptAction, Router, UIInspector, MediaQuery } from '@ohos.arkui.UIContext';
 import { BusinessError } from '@ohos.base';
-let router = uiContext.getRouter();
+let router:Router = uiContext.getRouter();
 try {
   router.pushNamedRoute({
     name: 'myPage',
@@ -1221,7 +1225,7 @@ pushNamedRoute(options: router.NamedRouterOptions, callback: AsyncCallback&lt;vo
 ```ts
 import { ComponentUtils, Font, PromptAction, Router, UIInspector, MediaQuery } from '@ohos.arkui.UIContext';
 import { BusinessError } from '@ohos.base';
-let router = uiContext.getRouter();
+let router:Router = uiContext.getRouter();
 router.pushNamedRoute({
   name: 'myPage',
   params: {
@@ -1389,7 +1393,7 @@ replaceNamedRoute(options: router.NamedRouterOptions): Promise&lt;void&gt;
 ```ts
 import { ComponentUtils, Font, PromptAction, Router, UIInspector, MediaQuery } from '@ohos.arkui.UIContext';
 import { BusinessError } from '@ohos.base';
-let router = uiContext.getRouter();
+let router:Router = uiContext.getRouter();
 try {
   router.replaceNamedRoute({
     name: 'myPage',
@@ -1433,7 +1437,7 @@ replaceNamedRoute(options: router.NamedRouterOptions, callback: AsyncCallback&lt
 ```ts
 import { ComponentUtils, Font, PromptAction, Router, UIInspector, MediaQuery } from '@ohos.arkui.UIContext';
 import { BusinessError } from '@ohos.base';
-let router = uiContext.getRouter();
+let router:Router = uiContext.getRouter();
 router.replaceNamedRoute({
   name: 'myPage',
   params: {
diff --git a/zh-cn/application-dev/reference/apis/js-apis-audio.md b/zh-cn/application-dev/reference/apis/js-apis-audio.md
index eaff3e7155873d448913a4442093a304267d0f2b..bd51282cd1e8c2a3316a1e97820fb1007d9110e2 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-audio.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-audio.md
@@ -14,7 +14,7 @@
 
 ## 导入模块
 
-```js
+```ts
 import audio from '@ohos.multimedia.audio';
 ```
 
@@ -28,7 +28,7 @@ import audio from '@ohos.multimedia.audio';
 
 **示例：**
 
-```js
+```ts
 import audio from '@ohos.multimedia.audio';
 
 const localNetworkId = audio.LOCAL_NETWORK_ID;
@@ -51,8 +51,8 @@ getAudioManager(): AudioManager
 | [AudioManager](#audiomanager) | 音频管理类。 |
 
 **示例：**
-```js
-let audioManager = audio.getAudioManager();
+```ts
+let audioManager: audio.AudioManager = audio.getAudioManager();
 ```
 
 ## audio.createAudioRenderer<sup>8+</sup>
@@ -72,24 +72,24 @@ createAudioRenderer(options: AudioRendererOptions, callback: AsyncCallback\<Audi
 
 **示例：**
 
-```js
+```ts
 import fs from '@ohos.file.fs';
 import audio from '@ohos.multimedia.audio';
 
-let audioStreamInfo = {
+let audioStreamInfo: audio.AudioStreamInfo = {
   samplingRate: audio.AudioSamplingRate.SAMPLE_RATE_44100,
   channels: audio.AudioChannel.CHANNEL_1,
   sampleFormat: audio.AudioSampleFormat.SAMPLE_FORMAT_S16LE,
   encodingType: audio.AudioEncodingType.ENCODING_TYPE_RAW
 }
 
-let audioRendererInfo = {
+let audioRendererInfo: audio.AudioRendererInfo = {
   content: audio.ContentType.CONTENT_TYPE_SPEECH,
   usage: audio.StreamUsage.STREAM_USAGE_VOICE_COMMUNICATION,
   rendererFlags: 0
 }
 
-let audioRendererOptions = {
+let audioRendererOptions: audio.AudioRendererOptions = {
   streamInfo: audioStreamInfo,
   rendererInfo: audioRendererInfo
 }
@@ -126,33 +126,34 @@ createAudioRenderer(options: AudioRendererOptions): Promise<AudioRenderer\>
 
 **示例：**
 
-```js
+```ts
 import fs from '@ohos.file.fs';
 import audio from '@ohos.multimedia.audio';
+import { BusinessError } from '@ohos.base';
 
-let audioStreamInfo = {
+let audioStreamInfo: audio.AudioStreamInfo = {
   samplingRate: audio.AudioSamplingRate.SAMPLE_RATE_44100,
   channels: audio.AudioChannel.CHANNEL_1,
   sampleFormat: audio.AudioSampleFormat.SAMPLE_FORMAT_S16LE,
   encodingType: audio.AudioEncodingType.ENCODING_TYPE_RAW
 }
 
-let audioRendererInfo = {
+let audioRendererInfo: audio.AudioRendererInfo = {
   content: audio.ContentType.CONTENT_TYPE_SPEECH,
   usage: audio.StreamUsage.STREAM_USAGE_VOICE_COMMUNICATION,
   rendererFlags: 0
 }
 
-let audioRendererOptions = {
+let audioRendererOptions: audio.AudioRendererOptions = {
   streamInfo: audioStreamInfo,
   rendererInfo: audioRendererInfo
 }
 
-let audioRenderer;
+let audioRenderer: audio.AudioRenderer;
 audio.createAudioRenderer(audioRendererOptions).then((data) => {
   audioRenderer = data;
   console.info('AudioFrameworkRenderLog: AudioRenderer Created : Success : Stream Type: SUCCESS');
-}).catch((err) => {
+}).catch((err: BusinessError) => {
   console.error(`AudioFrameworkRenderLog: AudioRenderer Created : ERROR : ${err}`);
 });
 ```
@@ -176,21 +177,21 @@ createAudioCapturer(options: AudioCapturerOptions, callback: AsyncCallback<Audio
 
 **示例：**
 
-```js
+```ts
 import audio from '@ohos.multimedia.audio';
-let audioStreamInfo = {
+let audioStreamInfo: audio.AudioStreamInfo = {
   samplingRate: audio.AudioSamplingRate.SAMPLE_RATE_44100,
   channels: audio.AudioChannel.CHANNEL_2,
   sampleFormat: audio.AudioSampleFormat.SAMPLE_FORMAT_S16LE,
   encodingType: audio.AudioEncodingType.ENCODING_TYPE_RAW
 }
 
-let audioCapturerInfo = {
+let audioCapturerInfo: audio.AudioCapturerInfo = {
   source: audio.SourceType.SOURCE_TYPE_MIC,
   capturerFlags: 0
 }
 
-let audioCapturerOptions = {
+let audioCapturerOptions: audio.AudioCapturerOptions = {
   streamInfo: audioStreamInfo,
   capturerInfo: audioCapturerInfo
 }
@@ -229,31 +230,32 @@ createAudioCapturer(options: AudioCapturerOptions): Promise<AudioCapturer\>
 
 **示例：**
 
-```js
+```ts
 import audio from '@ohos.multimedia.audio';
+import { BusinessError } from '@ohos.base';
 
-let audioStreamInfo = {
+let audioStreamInfo: audio.AudioStreamInfo = {
   samplingRate: audio.AudioSamplingRate.SAMPLE_RATE_44100,
   channels: audio.AudioChannel.CHANNEL_2,
   sampleFormat: audio.AudioSampleFormat.SAMPLE_FORMAT_S16LE,
   encodingType: audio.AudioEncodingType.ENCODING_TYPE_RAW
 }
 
-let audioCapturerInfo = {
+let audioCapturerInfo: audio.AudioCapturerInfo = {
   source: audio.SourceType.SOURCE_TYPE_MIC,
   capturerFlags: 0
 }
 
-let audioCapturerOptions = {
+let audioCapturerOptions:audio.AudioCapturerOptions = {
   streamInfo: audioStreamInfo,
   capturerInfo: audioCapturerInfo
 }
 
-let audioCapturer;
+let audioCapturer: audio.AudioCapturer;
 audio.createAudioCapturer(audioCapturerOptions).then((data) => {
   audioCapturer = data;
   console.info('AudioCapturer Created : Success : Stream Type: SUCCESS');
-}).catch((err) => {
+}).catch((err: BusinessError) => {
   console.error(`AudioCapturer Created : ERROR : ${err}`);
 });
 ```
@@ -277,15 +279,15 @@ createTonePlayer(options: AudioRendererInfo, callback: AsyncCallback&lt;TonePlay
 
 **示例：**
 
-```js
+```ts
 import audio from '@ohos.multimedia.audio';
 
-let audioRendererInfo = {
+let audioRendererInfo: audio.AudioRendererInfo = {
   content : audio.ContentType.CONTENT_TYPE_SONIFICATION,
   usage : audio.StreamUsage.STREAM_USAGE_MEDIA,
   rendererFlags : 0
 }
-let tonePlayer;
+let tonePlayer: audio.TonePlayer;
 
 audio.createTonePlayer(audioRendererInfo, (err, data) => {
   console.info(`callback call createTonePlayer: audioRendererInfo: ${audioRendererInfo}`);
@@ -322,11 +324,11 @@ createTonePlayer(options: AudioRendererInfo): Promise&lt;TonePlayer&gt;
 
 **示例：**
 
-```js
+```ts
 import audio from '@ohos.multimedia.audio';
-let tonePlayer;
+let tonePlayer: audio.TonePlayer;
 async function createTonePlayerBefore(){
-  let audioRendererInfo = {
+  let audioRendererInfo: audio.AudioRendererInfo = {
     content : audio.ContentType.CONTENT_TYPE_SONIFICATION,
     usage : audio.StreamUsage.STREAM_USAGE_MEDIA,
     rendererFlags : 0
@@ -910,8 +912,9 @@ setAudioParameter(key: string, value: string, callback: AsyncCallback&lt;void&gt
 
 **示例：**
 
-```js
-audioManager.setAudioParameter('key_example', 'value_example', (err) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioManager.setAudioParameter('key_example', 'value_example', (err: BusinessError) => {
   if (err) {
     console.error(`Failed to set the audio parameter. ${err}`);
     return;
@@ -947,7 +950,7 @@ setAudioParameter(key: string, value: string): Promise&lt;void&gt;
 
 **示例：**
 
-```js
+```ts
 audioManager.setAudioParameter('key_example', 'value_example').then(() => {
   console.info('Promise returned to indicate a successful setting of the audio parameter.');
 });
@@ -972,8 +975,9 @@ getAudioParameter(key: string, callback: AsyncCallback&lt;string&gt;): void
 
 **示例：**
 
-```js
-audioManager.getAudioParameter('key_example', (err, value) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioManager.getAudioParameter('key_example', (err: BusinessError, value: string) => {
   if (err) {
     console.error(`Failed to obtain the value of the audio parameter. ${err}`);
     return;
@@ -1006,8 +1010,8 @@ getAudioParameter(key: string): Promise&lt;string&gt;
 
 **示例：**
 
-```js
-audioManager.getAudioParameter('key_example').then((value) => {
+```ts
+audioManager.getAudioParameter('key_example').then((value: string) => {
   console.info(`Promise returned to indicate that the value of the audio parameter is obtained ${value}.`);
 });
 ```
@@ -1031,8 +1035,9 @@ setAudioScene\(scene: AudioScene, callback: AsyncCallback<void\>\): void
 
 **示例：**
 
-```js
-audioManager.setAudioScene(audio.AudioScene.AUDIO_SCENE_PHONE_CALL, (err) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioManager.setAudioScene(audio.AudioScene.AUDIO_SCENE_PHONE_CALL, (err: BusinessError) => {
   if (err) {
     console.error(`Failed to set the audio scene mode.​ ${err}`);
     return;
@@ -1065,10 +1070,11 @@ setAudioScene\(scene: AudioScene\): Promise<void\>
 
 **示例：**
 
-```js
+```ts
+import { BusinessError } from '@ohos.base';
 audioManager.setAudioScene(audio.AudioScene.AUDIO_SCENE_PHONE_CALL).then(() => {
   console.info('Promise returned to indicate a successful setting of the audio scene mode.');
-}).catch ((err) => {
+}).catch ((err: BusinessError) => {
   console.error(`Failed to set the audio scene mode ${err}`);
 });
 ```
@@ -1089,8 +1095,9 @@ getAudioScene\(callback: AsyncCallback<AudioScene\>\): void
 
 **示例：**
 
-```js
-audioManager.getAudioScene((err, value) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioManager.getAudioScene((err: BusinessError, value: audio.AudioScene) => {
   if (err) {
     console.error(`Failed to obtain the audio scene mode.​ ${err}`);
     return;
@@ -1115,10 +1122,11 @@ getAudioScene\(\): Promise<AudioScene\>
 
 **示例：**
 
-```js
-audioManager.getAudioScene().then((value) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioManager.getAudioScene().then((value: audio.AudioScene) => {
   console.info(`Promise returned to indicate that the audio scene mode is obtained ${value}.`);
-}).catch ((err) => {
+}).catch ((err: BusinessError) => {
   console.error(`Failed to obtain the audio scene mode ${err}`);
 });
 ```
@@ -1133,8 +1141,8 @@ getVolumeManager(): AudioVolumeManager
 
 **示例：**
 
-```js
-let audioVolumeManager = audioManager.getVolumeManager();
+```ts
+let audioVolumeManager: audio.AudioVolumeManager = audioManager.getVolumeManager();
 ```
 
 ### getStreamManager<sup>9+</sup>
@@ -1147,8 +1155,8 @@ getStreamManager(): AudioStreamManager
 
 **示例：**
 
-```js
-let audioStreamManager = audioManager.getStreamManager();
+```ts
+let audioStreamManager: audio.AudioStreamManager = audioManager.getStreamManager();
 ```
 
 ### getRoutingManager<sup>9+</sup>
@@ -1161,8 +1169,8 @@ getRoutingManager(): AudioRoutingManager
 
 **示例：**
 
-```js
-let audioRoutingManager = audioManager.getRoutingManager();
+```ts
+let audioRoutingManager: audio.AudioRoutingManager = audioManager.getRoutingManager();
 ```
 
 ### setVolume<sup>(deprecated)</sup>
@@ -1190,8 +1198,9 @@ setVolume(volumeType: AudioVolumeType, volume: number, callback: AsyncCallback&l
 
 **示例：**
 
-```js
-audioManager.setVolume(audio.AudioVolumeType.MEDIA, 10, (err) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioManager.setVolume(audio.AudioVolumeType.MEDIA, 10, (err: BusinessError) => {
   if (err) {
     console.error(`Failed to set the volume. ${err}`);
     return;
@@ -1230,7 +1239,7 @@ setVolume(volumeType: AudioVolumeType, volume: number): Promise&lt;void&gt;
 
 **示例：**
 
-```js
+```ts
 audioManager.setVolume(audio.AudioVolumeType.MEDIA, 10).then(() => {
   console.info('Promise returned to indicate a successful volume setting.');
 });
@@ -1256,8 +1265,9 @@ getVolume(volumeType: AudioVolumeType, callback: AsyncCallback&lt;number&gt;): v
 
 **示例：**
 
-```js
-audioManager.getVolume(audio.AudioVolumeType.MEDIA, (err, value) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioManager.getVolume(audio.AudioVolumeType.MEDIA, (err: BusinessError, value: number) => {
   if (err) {
     console.error(`Failed to obtain the volume. ${err}`);
     return;
@@ -1291,8 +1301,8 @@ getVolume(volumeType: AudioVolumeType): Promise&lt;number&gt;
 
 **示例：**
 
-```js
-audioManager.getVolume(audio.AudioVolumeType.MEDIA).then((value) => {
+```ts
+audioManager.getVolume(audio.AudioVolumeType.MEDIA).then((value: number) => {
   console.info(`Promise returned to indicate that the volume is obtained ${value} .`);
 });
 ```
@@ -1317,8 +1327,9 @@ getMinVolume(volumeType: AudioVolumeType, callback: AsyncCallback&lt;number&gt;)
 
 **示例：**
 
-```js
-audioManager.getMinVolume(audio.AudioVolumeType.MEDIA, (err, value) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioManager.getMinVolume(audio.AudioVolumeType.MEDIA, (err: BusinessError, value: number) => {
   if (err) {
     console.error(`Failed to obtain the minimum volume. ${err}`);
     return;
@@ -1352,8 +1363,8 @@ getMinVolume(volumeType: AudioVolumeType): Promise&lt;number&gt;
 
 **示例：**
 
-```js
-audioManager.getMinVolume(audio.AudioVolumeType.MEDIA).then((value) => {
+```ts
+audioManager.getMinVolume(audio.AudioVolumeType.MEDIA).then((value: number) => {
   console.info(`Promised returned to indicate that the minimum volume is obtained. ${value}`);
 });
 ```
@@ -1378,8 +1389,9 @@ getMaxVolume(volumeType: AudioVolumeType, callback: AsyncCallback&lt;number&gt;)
 
 **示例：**
 
-```js
-audioManager.getMaxVolume(audio.AudioVolumeType.MEDIA, (err, value) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioManager.getMaxVolume(audio.AudioVolumeType.MEDIA, (err: BusinessError, value: number) => {
   if (err) {
     console.error(`Failed to obtain the maximum volume. ${err}`);
     return;
@@ -1413,8 +1425,8 @@ getMaxVolume(volumeType: AudioVolumeType): Promise&lt;number&gt;
 
 **示例：**
 
-```js
-audioManager.getMaxVolume(audio.AudioVolumeType.MEDIA).then((data) => {
+```ts
+audioManager.getMaxVolume(audio.AudioVolumeType.MEDIA).then((data: number) => {
   console.info('Promised returned to indicate that the maximum volume is obtained.');
 });
 ```
@@ -1440,8 +1452,9 @@ mute(volumeType: AudioVolumeType, mute: boolean, callback: AsyncCallback&lt;void
 
 **示例：**
 
-```js
-audioManager.mute(audio.AudioVolumeType.MEDIA, true, (err) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioManager.mute(audio.AudioVolumeType.MEDIA, true, (err: BusinessError) => {
   if (err) {
     console.error(`Failed to mute the stream. ${err}`);
     return;
@@ -1477,7 +1490,7 @@ mute(volumeType: AudioVolumeType, mute: boolean): Promise&lt;void&gt;
 **示例：**
 
 
-```js
+```ts
 audioManager.mute(audio.AudioVolumeType.MEDIA, true).then(() => {
   console.info('Promise returned to indicate that the stream is muted.');
 });
@@ -1503,8 +1516,9 @@ isMute(volumeType: AudioVolumeType, callback: AsyncCallback&lt;boolean&gt;): voi
 
 **示例：**
 
-```js
-audioManager.isMute(audio.AudioVolumeType.MEDIA, (err, value) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioManager.isMute(audio.AudioVolumeType.MEDIA, (err: BusinessError, value: boolean) => {
   if (err) {
     console.error(`Failed to obtain the mute status. ${err}`);
     return;
@@ -1538,8 +1552,8 @@ isMute(volumeType: AudioVolumeType): Promise&lt;boolean&gt;
 
 **示例：**
 
-```js
-audioManager.isMute(audio.AudioVolumeType.MEDIA).then((value) => {
+```ts
+audioManager.isMute(audio.AudioVolumeType.MEDIA).then((value: boolean) => {
   console.info(`Promise returned to indicate that the mute status of the stream is obtained ${value}.`);
 });
 ```
@@ -1564,8 +1578,9 @@ isActive(volumeType: AudioVolumeType, callback: AsyncCallback&lt;boolean&gt;): v
 
 **示例：**
 
-```js
-audioManager.isActive(audio.AudioVolumeType.MEDIA, (err, value) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioManager.isActive(audio.AudioVolumeType.MEDIA, (err: BusinessError, value: boolean) => {
   if (err) {
     console.error(`Failed to obtain the active status of the stream. ${err}`);
     return;
@@ -1599,8 +1614,8 @@ isActive(volumeType: AudioVolumeType): Promise&lt;boolean&gt;
 
 **示例：**
 
-```js
-audioManager.isActive(audio.AudioVolumeType.MEDIA).then((value) => {
+```ts
+audioManager.isActive(audio.AudioVolumeType.MEDIA).then((value: boolean) => {
   console.info(`Promise returned to indicate that the active status of the stream is obtained ${value}.`);
 });
 ```
@@ -1629,8 +1644,9 @@ setRingerMode(mode: AudioRingMode, callback: AsyncCallback&lt;void&gt;): void
 
 **示例：**
 
-```js
-audioManager.setRingerMode(audio.AudioRingMode.RINGER_MODE_NORMAL, (err) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioManager.setRingerMode(audio.AudioRingMode.RINGER_MODE_NORMAL, (err: BusinessError) => {
   if (err) {
     console.error(`Failed to set the ringer mode.​ ${err}`);
     return;
@@ -1669,7 +1685,7 @@ setRingerMode(mode: AudioRingMode): Promise&lt;void&gt;
 
 **示例：**
 
-```js
+```ts
 audioManager.setRingerMode(audio.AudioRingMode.RINGER_MODE_NORMAL).then(() => {
   console.info('Promise returned to indicate a successful setting of the ringer mode.');
 });
@@ -1694,8 +1710,9 @@ getRingerMode(callback: AsyncCallback&lt;AudioRingMode&gt;): void
 
 **示例：**
 
-```js
-audioManager.getRingerMode((err, value) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioManager.getRingerMode((err: BusinessError, value: audio.AudioRingMode) => {
   if (err) {
     console.error(`Failed to obtain the ringer mode.​ ${err}`);
     return;
@@ -1723,8 +1740,8 @@ getRingerMode(): Promise&lt;AudioRingMode&gt;
 
 **示例：**
 
-```js
-audioManager.getRingerMode().then((value) => {
+```ts
+audioManager.getRingerMode().then((value: audio.AudioRingMode) => {
   console.info(`Promise returned to indicate that the ringer mode is obtained ${value}.`);
 });
 ```
@@ -1748,8 +1765,9 @@ getDevices(deviceFlag: DeviceFlag, callback: AsyncCallback&lt;AudioDeviceDescrip
 | callback   | AsyncCallback&lt;[AudioDeviceDescriptors](#audiodevicedescriptors)&gt; | 是   | 回调，返回设备列表。 |
 
 **示例：**
-```js
-audioManager.getDevices(audio.DeviceFlag.OUTPUT_DEVICES_FLAG, (err, value) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioManager.getDevices(audio.DeviceFlag.OUTPUT_DEVICES_FLAG, (err: BusinessError, value: audio.AudioDeviceDescriptors) => {
   if (err) {
     console.error(`Failed to obtain the device list. ${err}`);
     return;
@@ -1783,8 +1801,8 @@ getDevices(deviceFlag: DeviceFlag): Promise&lt;AudioDeviceDescriptors&gt;
 
 **示例：**
 
-```js
-audioManager.getDevices(audio.DeviceFlag.OUTPUT_DEVICES_FLAG).then((data) => {
+```ts
+audioManager.getDevices(audio.DeviceFlag.OUTPUT_DEVICES_FLAG).then((data: audio.AudioDeviceDescriptors) => {
   console.info('Promise returned to indicate that the device list is obtained.');
 });
 ```
@@ -1810,8 +1828,9 @@ setDeviceActive(deviceType: ActiveDeviceType, active: boolean, callback: AsyncCa
 
 **示例：**
 
-```js
-audioManager.setDeviceActive(audio.ActiveDeviceType.SPEAKER, true, (err) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioManager.setDeviceActive(audio.ActiveDeviceType.SPEAKER, true, (err: BusinessError) => {
   if (err) {
     console.error(`Failed to set the active status of the device. ${err}`);
     return;
@@ -1847,7 +1866,7 @@ setDeviceActive(deviceType: ActiveDeviceType, active: boolean): Promise&lt;void&
 **示例：**
 
 
-```js
+```ts
 audioManager.setDeviceActive(audio.ActiveDeviceType.SPEAKER, true).then(() => {
   console.info('Promise returned to indicate that the device is set to the active status.');
 });
@@ -1873,8 +1892,9 @@ isDeviceActive(deviceType: ActiveDeviceType, callback: AsyncCallback&lt;boolean&
 
 **示例：**
 
-```js
-audioManager.isDeviceActive(audio.ActiveDeviceType.SPEAKER, (err, value) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioManager.isDeviceActive(audio.ActiveDeviceType.SPEAKER, (err: BusinessError, value: boolean) => {
   if (err) {
     console.error(`Failed to obtain the active status of the device. ${err}`);
     return;
@@ -1908,8 +1928,8 @@ isDeviceActive(deviceType: ActiveDeviceType): Promise&lt;boolean&gt;
 
 **示例：**
 
-```js
-audioManager.isDeviceActive(audio.ActiveDeviceType.SPEAKER).then((value) => {
+```ts
+audioManager.isDeviceActive(audio.ActiveDeviceType.SPEAKER).then((value: boolean) => {
   console.info(`Promise returned to indicate that the active status of the device is obtained ${value}.`);
 });
 ```
@@ -1936,8 +1956,9 @@ setMicrophoneMute(mute: boolean, callback: AsyncCallback&lt;void&gt;): void
 
 **示例：**
 
-```js
-audioManager.setMicrophoneMute(true, (err) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioManager.setMicrophoneMute(true, (err: BusinessError) => {
   if (err) {
     console.error(`Failed to mute the microphone. ${err}`);
     return;
@@ -1973,7 +1994,7 @@ setMicrophoneMute(mute: boolean): Promise&lt;void&gt;
 
 **示例：**
 
-```js
+```ts
 audioManager.setMicrophoneMute(true).then(() => {
   console.info('Promise returned to indicate that the microphone is muted.');
 });
@@ -2000,8 +2021,9 @@ isMicrophoneMute(callback: AsyncCallback&lt;boolean&gt;): void
 
 **示例：**
 
-```js
-audioManager.isMicrophoneMute((err, value) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioManager.isMicrophoneMute((err: BusinessError, value: boolean) => {
   if (err) {
     console.error(`Failed to obtain the mute status of the microphone. ${err}`);
     return;
@@ -2031,8 +2053,8 @@ isMicrophoneMute(): Promise&lt;boolean&gt;
 
 **示例：**
 
-```js
-audioManager.isMicrophoneMute().then((value) => {
+```ts
+audioManager.isMicrophoneMute().then((value: boolean) => {
   console.info(`Promise returned to indicate that the mute status of the microphone is obtained ${value}.`);
 });
 ```
@@ -2061,8 +2083,8 @@ on(type: 'volumeChange', callback: Callback\<VolumeEvent>): void
 
 **示例：**
 
-```js
-audioManager.on('volumeChange', (volumeEvent) => {
+```ts
+audioManager.on('volumeChange', (volumeEvent: audio.VolumeEvent) => {
   console.info(`VolumeType of stream: ${volumeEvent.volumeType} `);
   console.info(`Volume level: ${volumeEvent.volume} `);
   console.info(`Whether to updateUI: ${volumeEvent.updateUi} `);
@@ -2091,8 +2113,8 @@ on(type: 'ringerModeChange', callback: Callback\<AudioRingMode>): void
 
 **示例：**
 
-```js
-audioManager.on('ringerModeChange', (ringerMode) => {
+```ts
+audioManager.on('ringerModeChange', (ringerMode: audio.AudioRingMode) => {
   console.info(`Updated ringermode: ${ringerMode}`);
 });
 ```
@@ -2117,8 +2139,8 @@ on(type: 'deviceChange', callback: Callback<DeviceChangeAction\>): void
 
 **示例：**
 
-```js
-audioManager.on('deviceChange', (deviceChanged) => {
+```ts
+audioManager.on('deviceChange', (deviceChanged: audio.DeviceChangeAction) => {
   console.info(`device change type : ${deviceChanged.type} `);
   console.info(`device descriptor size : ${deviceChanged.deviceDescriptors.length} `);
   console.info(`device change descriptor : ${deviceChanged.deviceDescriptors[0].deviceRole} `);
@@ -2146,7 +2168,7 @@ off(type: 'deviceChange', callback?: Callback<DeviceChangeAction\>): void
 
 **示例：**
 
-```js
+```ts
 audioManager.off('deviceChange');
 ```
 
@@ -2170,13 +2192,14 @@ on(type: 'interrupt', interrupt: AudioInterrupt, callback: Callback\<InterruptAc
 
 **示例：**
 
-```js
-let interAudioInterrupt = {
+```ts
+import audio from '@ohos.multimedia.audio';
+let interAudioInterrupt: audio.AudioInterrupt = {
   streamUsage:2,
   contentType:0,
   pauseWhenDucked:true
 };
-audioManager.on('interrupt', interAudioInterrupt, (InterruptAction) => {
+audioManager.on('interrupt', interAudioInterrupt, (InterruptAction: audio.InterruptAction) => {
   if (InterruptAction.actionType === 0) {
     console.info('An event to gain the audio focus starts.');
     console.info(`Focus gain event: ${InterruptAction} `);
@@ -2206,16 +2229,17 @@ off(type: 'interrupt', interrupt: AudioInterrupt, callback?: Callback\<Interrupt
 
 **示例：**
 
-```js
-let interAudioInterrupt = {
+```ts
+import audio from '@ohos.multimedia.audio';
+let interAudioInterrupt: audio.AudioInterrupt = {
   streamUsage:2,
   contentType:0,
   pauseWhenDucked:true
 };
-audioManager.off('interrupt', interAudioInterrupt, (InterruptAction) => {
+audioManager.off('interrupt', interAudioInterrupt, (InterruptAction: audio.InterruptAction) => {
   if (InterruptAction.actionType === 0) {
-      console.info('An event to release the audio focus starts.');
-      console.info(`Focus release event: ${InterruptAction} `);
+    console.info('An event to release the audio focus starts.');
+    console.info(`Focus release event: ${InterruptAction} `);
   }
 });
 ```
@@ -2242,8 +2266,9 @@ getVolumeGroupInfos(networkId: string, callback: AsyncCallback<VolumeGroupInfos\
 | callback  | AsyncCallback&lt;[VolumeGroupInfos](#volumegroupinfos9)&gt; | 是   | 回调，返回音量组信息列表。 |
 
 **示例：**
-```js
-audioVolumeManager.getVolumeGroupInfos(audio.LOCAL_NETWORK_ID, (err, value) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioVolumeManager.getVolumeGroupInfos(audio.LOCAL_NETWORK_ID, (err: BusinessError, value: audio.VolumeGroupInfos) => {
   if (err) {
     console.error(`Failed to obtain the volume group infos list. ${err}`);
     return;
@@ -2276,9 +2301,9 @@ getVolumeGroupInfos(networkId: string\): Promise<VolumeGroupInfos\>
 
 **示例：**
 
-```js
+```ts
 async function getVolumeGroupInfos(){
-  let volumegroupinfos = await audio.getAudioManager().getVolumeManager().getVolumeGroupInfos(audio.LOCAL_NETWORK_ID);
+  let volumegroupinfos: audio.VolumeGroupInfos = await audio.getAudioManager().getVolumeManager().getVolumeGroupInfos(audio.LOCAL_NETWORK_ID);
   console.info('Promise returned to indicate that the volumeGroup list is obtained.'+JSON.stringify(volumegroupinfos))
 }
 ```
@@ -2300,9 +2325,10 @@ getVolumeGroupManager(groupId: number, callback: AsyncCallback<AudioVolumeGroupM
 
 **示例：**
 
-```js
-let groupid = audio.DEFAULT_VOLUME_GROUP_ID;
-audioVolumeManager.getVolumeGroupManager(groupid, (err, value) => {
+```ts
+import { BusinessError } from '@ohos.base';
+let groupid: number = audio.DEFAULT_VOLUME_GROUP_ID;
+audioVolumeManager.getVolumeGroupManager(groupid, (err: BusinessError, value: audio.AudioVolumeGroupManager) => {
   if (err) {
     console.error(`Failed to obtain the volume group infos list. ${err}`);
     return;
@@ -2334,9 +2360,9 @@ getVolumeGroupManager(groupId: number\): Promise<AudioVolumeGroupManager\>
 
 **示例：**
 
-```js
-let groupid = audio.DEFAULT_VOLUME_GROUP_ID;
-let audioVolumeGroupManager;
+```ts
+let groupid: number = audio.DEFAULT_VOLUME_GROUP_ID;
+let audioVolumeGroupManager: audio.AudioVolumeGroupManager;
 getVolumeGroupManager();
 async function getVolumeGroupManager(){
   audioVolumeGroupManager = await audioVolumeManager.getVolumeGroupManager(groupid);
@@ -2370,8 +2396,8 @@ on(type: 'volumeChange', callback: Callback\<VolumeEvent>): void
 
 **示例：**
 
-```js
-audioVolumeManager.on('volumeChange', (volumeEvent) => {
+```ts
+audioVolumeManager.on('volumeChange', (volumeEvent: audio.VolumeEvent) => {
   console.info(`VolumeType of stream: ${volumeEvent.volumeType} `);
   console.info(`Volume level: ${volumeEvent.volume} `);
   console.info(`Whether to updateUI: ${volumeEvent.updateUi} `);
@@ -2406,8 +2432,9 @@ setVolume(volumeType: AudioVolumeType, volume: number, callback: AsyncCallback&l
 
 **示例：**
 
-```js
-audioVolumeGroupManager.setVolume(audio.AudioVolumeType.MEDIA, 10, (err) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioVolumeGroupManager.setVolume(audio.AudioVolumeType.MEDIA, 10, (err: BusinessError) => {
   if (err) {
     console.error(`Failed to set the volume. ${err}`);
     return;
@@ -2445,7 +2472,7 @@ setVolume(volumeType: AudioVolumeType, volume: number): Promise&lt;void&gt;
 
 **示例：**
 
-```js
+```ts
 audioVolumeGroupManager.setVolume(audio.AudioVolumeType.MEDIA, 10).then(() => {
   console.info('Promise returned to indicate a successful volume setting.');
 });
@@ -2468,8 +2495,9 @@ getVolume(volumeType: AudioVolumeType, callback: AsyncCallback&lt;number&gt;): v
 
 **示例：**
 
-```js
-audioVolumeGroupManager.getVolume(audio.AudioVolumeType.MEDIA, (err, value) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioVolumeGroupManager.getVolume(audio.AudioVolumeType.MEDIA, (err: BusinessError, value: number) => {
   if (err) {
     console.error(`Failed to obtain the volume. ${err}`);
     return;
@@ -2500,8 +2528,8 @@ getVolume(volumeType: AudioVolumeType): Promise&lt;number&gt;
 
 **示例：**
 
-```js
-audioVolumeGroupManager.getVolume(audio.AudioVolumeType.MEDIA).then((value) => {
+```ts
+audioVolumeGroupManager.getVolume(audio.AudioVolumeType.MEDIA).then((value: number) => {
   console.info(`Promise returned to indicate that the volume is obtained ${value}.`);
 });
 ```
@@ -2523,8 +2551,9 @@ getMinVolume(volumeType: AudioVolumeType, callback: AsyncCallback&lt;number&gt;)
 
 **示例：**
 
-```js
-audioVolumeGroupManager.getMinVolume(audio.AudioVolumeType.MEDIA, (err, value) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioVolumeGroupManager.getMinVolume(audio.AudioVolumeType.MEDIA, (err: BusinessError, value: number) => {
   if (err) {
     console.error(`Failed to obtain the minimum volume. ${err}`);
     return;
@@ -2555,8 +2584,8 @@ getMinVolume(volumeType: AudioVolumeType): Promise&lt;number&gt;
 
 **示例：**
 
-```js
-audioVolumeGroupManager.getMinVolume(audio.AudioVolumeType.MEDIA).then((value) => {
+```ts
+audioVolumeGroupManager.getMinVolume(audio.AudioVolumeType.MEDIA).then((value: number) => {
   console.info(`Promised returned to indicate that the minimum volume is obtained ${value}.`);
 });
 ```
@@ -2578,8 +2607,9 @@ getMaxVolume(volumeType: AudioVolumeType, callback: AsyncCallback&lt;number&gt;)
 
 **示例：**
 
-```js
-audioVolumeGroupManager.getMaxVolume(audio.AudioVolumeType.MEDIA, (err, value) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioVolumeGroupManager.getMaxVolume(audio.AudioVolumeType.MEDIA, (err: BusinessError, value: number) => {
   if (err) {
     console.error(`Failed to obtain the maximum volume. ${err}`);
     return;
@@ -2610,8 +2640,8 @@ getMaxVolume(volumeType: AudioVolumeType): Promise&lt;number&gt;
 
 **示例：**
 
-```js
-audioVolumeGroupManager.getMaxVolume(audio.AudioVolumeType.MEDIA).then((data) => {
+```ts
+audioVolumeGroupManager.getMaxVolume(audio.AudioVolumeType.MEDIA).then((data: number) => {
   console.info('Promised returned to indicate that the maximum volume is obtained.');
 });
 ```
@@ -2640,8 +2670,9 @@ mute(volumeType: AudioVolumeType, mute: boolean, callback: AsyncCallback&lt;void
 
 **示例：**
 
-```js
-audioVolumeGroupManager.mute(audio.AudioVolumeType.MEDIA, true, (err) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioVolumeGroupManager.mute(audio.AudioVolumeType.MEDIA, true, (err: BusinessError) => {
   if (err) {
     console.error(`Failed to mute the stream. ${err}`);
     return;
@@ -2679,7 +2710,7 @@ mute(volumeType: AudioVolumeType, mute: boolean): Promise&lt;void&gt;
 
 **示例：**
 
-```js
+```ts
 audioVolumeGroupManager.mute(audio.AudioVolumeType.MEDIA, true).then(() => {
   console.info('Promise returned to indicate that the stream is muted.');
 });
@@ -2702,8 +2733,9 @@ isMute(volumeType: AudioVolumeType, callback: AsyncCallback&lt;boolean&gt;): voi
 
 **示例：**
 
-```js
-audioVolumeGroupManager.isMute(audio.AudioVolumeType.MEDIA, (err, value) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioVolumeGroupManager.isMute(audio.AudioVolumeType.MEDIA, (err: BusinessError, value: boolean) => {
   if (err) {
     console.error(`Failed to obtain the mute status. ${err}`);
     return;
@@ -2734,8 +2766,8 @@ isMute(volumeType: AudioVolumeType): Promise&lt;boolean&gt;
 
 **示例：**
 
-```js
-audioVolumeGroupManager.isMute(audio.AudioVolumeType.MEDIA).then((value) => {
+```ts
+audioVolumeGroupManager.isMute(audio.AudioVolumeType.MEDIA).then((value: boolean) => {
   console.info(`Promise returned to indicate that the mute status of the stream is obtained ${value}.`);
 });
 ```
@@ -2763,8 +2795,9 @@ setRingerMode(mode: AudioRingMode, callback: AsyncCallback&lt;void&gt;): void
 
 **示例：**
 
-```js
-audioVolumeGroupManager.setRingerMode(audio.AudioRingMode.RINGER_MODE_NORMAL, (err) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioVolumeGroupManager.setRingerMode(audio.AudioRingMode.RINGER_MODE_NORMAL, (err: BusinessError) => {
   if (err) {
     console.error(`Failed to set the ringer mode.​ ${err}`);
     return;
@@ -2801,7 +2834,7 @@ setRingerMode(mode: AudioRingMode): Promise&lt;void&gt;
 
 **示例：**
 
-```js
+```ts
 audioVolumeGroupManager.setRingerMode(audio.AudioRingMode.RINGER_MODE_NORMAL).then(() => {
   console.info('Promise returned to indicate a successful setting of the ringer mode.');
 });
@@ -2823,8 +2856,9 @@ getRingerMode(callback: AsyncCallback&lt;AudioRingMode&gt;): void
 
 **示例：**
 
-```js
-audioVolumeGroupManager.getRingerMode((err, value) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioVolumeGroupManager.getRingerMode((err: BusinessError, value: audio.AudioRingMode) => {
   if (err) {
     console.error(`Failed to obtain the ringer mode.​ ${err}`);
     return;
@@ -2849,8 +2883,8 @@ getRingerMode(): Promise&lt;AudioRingMode&gt;
 
 **示例：**
 
-```js
-audioVolumeGroupManager.getRingerMode().then((value) => {
+```ts
+audioVolumeGroupManager.getRingerMode().then((value: audio.AudioRingMode) => {
   console.info(`Promise returned to indicate that the ringer mode is obtained ${value}.`);
 });
 ```
@@ -2880,8 +2914,8 @@ on(type: 'ringerModeChange', callback: Callback\<AudioRingMode>): void
 
 **示例：**
 
-```js
-audioVolumeGroupManager.on('ringerModeChange', (ringerMode) => {
+```ts
+audioVolumeGroupManager.on('ringerModeChange', (ringerMode: audio.AudioRingMode) => {
   console.info(`Updated ringermode: ${ringerMode}`);
 });
 ```
@@ -2904,8 +2938,9 @@ setMicrophoneMute(mute: boolean, callback: AsyncCallback&lt;void&gt;): void
 
 **示例：**
 
-```js
-audioVolumeGroupManager.setMicrophoneMute(true, (err) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioVolumeGroupManager.setMicrophoneMute(true, (err: BusinessError) => {
   if (err) {
     console.error(`Failed to mute the microphone. ${err}`);
     return;
@@ -2938,7 +2973,7 @@ setMicrophoneMute(mute: boolean): Promise&lt;void&gt;
 
 **示例：**
 
-```js
+```ts
 audioVolumeGroupManager.setMicrophoneMute(true).then(() => {
   console.info('Promise returned to indicate that the microphone is muted.');
 });
@@ -2960,8 +2995,9 @@ isMicrophoneMute(callback: AsyncCallback&lt;boolean&gt;): void
 
 **示例：**
 
-```js
-audioVolumeGroupManager.isMicrophoneMute((err, value) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioVolumeGroupManager.isMicrophoneMute((err: BusinessError, value: boolean) => {
   if (err) {
     console.error(`Failed to obtain the mute status of the microphone. ${err}`);
     return;
@@ -2986,8 +3022,8 @@ isMicrophoneMute(): Promise&lt;boolean&gt;
 
 **示例：**
 
-```js
-audioVolumeGroupManager.isMicrophoneMute().then((value) => {
+```ts
+audioVolumeGroupManager.isMicrophoneMute().then((value: boolean) => {
   console.info(`Promise returned to indicate that the mute status of the microphone is obtained ${value}.`);
 });
 ```
@@ -3019,8 +3055,8 @@ on(type: 'micStateChange', callback: Callback&lt;MicStateChangeEvent&gt;): void
 
 **示例：**
 
-```js
-audioVolumeGroupManager.on('micStateChange', (micStateChange) => {
+```ts
+audioVolumeGroupManager.on('micStateChange', (micStateChange: audio.MicStateChangeEvent) => {
   console.info(`Current microphone status is: ${micStateChange.mute} `);
 });
 ```
@@ -3041,8 +3077,8 @@ isVolumeUnadjustable(): boolean
 
 **示例：**
 
-```js
-let volumeAdjustSwitch = audioVolumeGroupManager.isVolumeUnadjustable();
+```ts
+let volumeAdjustSwitch: boolean = audioVolumeGroupManager.isVolumeUnadjustable();
 console.info(`Whether it is volume unadjustable: ${volumeAdjustSwitch}.`);
 ```
 
@@ -3078,8 +3114,9 @@ adjustVolumeByStep(adjustType: VolumeAdjustType, callback: AsyncCallback&lt;void
 
 **示例：**
 
-```js
-audioVolumeGroupManager.adjustVolumeByStep(audio.VolumeAdjustType.VOLUME_UP, (err) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioVolumeGroupManager.adjustVolumeByStep(audio.VolumeAdjustType.VOLUME_UP, (err: BusinessError) => {
   if (err) {
     console.error(`Failed to adjust the volume by step. ${err}`);
     return;
@@ -3125,10 +3162,11 @@ adjustVolumeByStep(adjustType: VolumeAdjustType): Promise&lt;void&gt;
 
 **示例：**
 
-```js
-audioVolumeGroupManager.adjustVolumeByStep(audio.VolumeAdjustType.VOLUME_UP).then((value) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioVolumeGroupManager.adjustVolumeByStep(audio.VolumeAdjustType.VOLUME_UP).then(() => {
   console.info('Success to adjust the volume by step.');
-}).catch((error) => {
+}).catch((error: BusinessError) => {
   console.error('Fail to adjust the volume by step.');
 });
 ```
@@ -3166,8 +3204,9 @@ adjustSystemVolumeByStep(volumeType: AudioVolumeType, adjustType: VolumeAdjustTy
 
 **示例：**
 
-```js
-audioVolumeGroupManager.adjustSystemVolumeByStep(audio.AudioVolumeType.MEDIA, audio.VolumeAdjustType.VOLUME_UP, (err) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioVolumeGroupManager.adjustSystemVolumeByStep(audio.AudioVolumeType.MEDIA, audio.VolumeAdjustType.VOLUME_UP, (err: BusinessError) => {
   if (err) {
     console.error(`Failed to adjust the system volume by step ${err}`);
   } else {
@@ -3213,10 +3252,11 @@ adjustSystemVolumeByStep(volumeType: AudioVolumeType, adjustType: VolumeAdjustTy
 
 **示例：**
 
-```js
-audioVolumeGroupManager.adjustSystemVolumeByStep(audio.AudioVolumeType.MEDIA, audio.VolumeAdjustType.VOLUME_UP).then((value) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioVolumeGroupManager.adjustSystemVolumeByStep(audio.AudioVolumeType.MEDIA, audio.VolumeAdjustType.VOLUME_UP).then(() => {
   console.info('Success to adjust the system volume by step.');
-}).catch((error) => {
+}).catch((error: BusinessError) => {
   console.error('Fail to adjust the system volume by step.');
 });
 ```
@@ -3249,8 +3289,9 @@ getSystemVolumeInDb(volumeType: AudioVolumeType, volumeLevel: number, device: De
 
 **示例：**
 
-```js
-audioVolumeGroupManager.getSystemVolumeInDb(audio.AudioVolumeType.MEDIA, 3, audio.DeviceType.SPEAKER, (err, dB) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioVolumeGroupManager.getSystemVolumeInDb(audio.AudioVolumeType.MEDIA, 3, audio.DeviceType.SPEAKER, (err: BusinessError, dB: number) => {
   if (err) {
     console.error(`Failed to get the volume DB. ${err}`);
   } else {
@@ -3291,10 +3332,11 @@ getSystemVolumeInDb(volumeType: AudioVolumeType, volumeLevel: number, device: De
 
 **示例：**
 
-```js
-audioVolumeGroupManager.getSystemVolumeInDb(audio.AudioVolumeType.MEDIA, 3, audio.DeviceType.SPEAKER).then((value) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioVolumeGroupManager.getSystemVolumeInDb(audio.AudioVolumeType.MEDIA, 3, audio.DeviceType.SPEAKER).then((value: number) => {
   console.info(`Success to get the volume DB. ${value}`);
-}).catch((error) => {
+}).catch((error: BusinessError) => {
   console.error(`Fail to adjust the system volume by step. ${error}`);
 });
 ```
@@ -3319,21 +3361,22 @@ getCurrentAudioRendererInfoArray(callback: AsyncCallback&lt;AudioRendererChangeI
 
 **示例：**
 
-```js
-audioStreamManager.getCurrentAudioRendererInfoArray(async (err, AudioRendererChangeInfoArray) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioStreamManager.getCurrentAudioRendererInfoArray(async (err: BusinessError, AudioRendererChangeInfoArray: audio.AudioRendererChangeInfoArray) => {
   console.info('getCurrentAudioRendererInfoArray **** Get Callback Called ****');
   if (err) {
     console.error(`getCurrentAudioRendererInfoArray :ERROR: ${err}`);
   } else {
     if (AudioRendererChangeInfoArray != null) {
       for (let i = 0; i < AudioRendererChangeInfoArray.length; i++) {
-        let AudioRendererChangeInfo = AudioRendererChangeInfoArray[i];
+        let AudioRendererChangeInfo: audio.AudioRendererChangeInfo = AudioRendererChangeInfoArray[i];
         console.info(`StreamId for ${i} is: ${AudioRendererChangeInfo.streamId}`);
         console.info(`ClientUid for ${i} is: ${AudioRendererChangeInfo.clientUid}`);
         console.info(`Content ${i} is: ${AudioRendererChangeInfo.rendererInfo.content}`);
         console.info(`Stream ${i} is: ${AudioRendererChangeInfo.rendererInfo.usage}`);
-        console.info(`Flag ${i} is: ${AudioRendererChangeInfo.rendererInfo.rendererFlags}`); 
-        console.info(`State for ${i} is: ${AudioRendererChangeInfo.rendererState}`);  
+        console.info(`Flag ${i} is: ${AudioRendererChangeInfo.rendererInfo.rendererFlags}`);
+        console.info(`State for ${i} is: ${AudioRendererChangeInfo.rendererState}`);
         for (let j = 0;j < AudioRendererChangeInfo.deviceDescriptors.length; j++) {
           console.info(`Id: ${i} : ${AudioRendererChangeInfo.deviceDescriptors[j].id}`);
           console.info(`Type: ${i} : ${AudioRendererChangeInfo.deviceDescriptors[j].deviceType}`);
@@ -3366,19 +3409,20 @@ getCurrentAudioRendererInfoArray(): Promise&lt;AudioRendererChangeInfoArray&gt;
 
 **示例：**
 
-```js
+```ts
+import { BusinessError } from '@ohos.base';
 async function getCurrentAudioRendererInfoArray(){
-  await audioStreamManager.getCurrentAudioRendererInfoArray().then( function (AudioRendererChangeInfoArray) {
+  await audioStreamManager.getCurrentAudioRendererInfoArray().then((AudioRendererChangeInfoArray: audio.AudioRendererChangeInfoArray) => {
     console.info(`getCurrentAudioRendererInfoArray ######### Get Promise is called ##########`);
     if (AudioRendererChangeInfoArray != null) {
       for (let i = 0; i < AudioRendererChangeInfoArray.length; i++) {
-        let AudioRendererChangeInfo = AudioRendererChangeInfoArray[i];
+        let AudioRendererChangeInfo: audio.AudioRendererChangeInfo = AudioRendererChangeInfoArray[i];
         console.info(`StreamId for ${i} is: ${AudioRendererChangeInfo.streamId}`);
         console.info(`ClientUid for ${i} is: ${AudioRendererChangeInfo.clientUid}`);
         console.info(`Content ${i} is: ${AudioRendererChangeInfo.rendererInfo.content}`);
         console.info(`Stream ${i} is: ${AudioRendererChangeInfo.rendererInfo.usage}`);
-        console.info(`Flag ${i} is: ${AudioRendererChangeInfo.rendererInfo.rendererFlags}`); 
-        console.info(`State for ${i} is: ${AudioRendererChangeInfo.rendererState}`);  
+        console.info(`Flag ${i} is: ${AudioRendererChangeInfo.rendererInfo.rendererFlags}`);
+        console.info(`State for ${i} is: ${AudioRendererChangeInfo.rendererState}`);
         for (let j = 0;j < AudioRendererChangeInfo.deviceDescriptors.length; j++) {
           console.info(`Id: ${i} : ${AudioRendererChangeInfo.deviceDescriptors[j].id}`);
           console.info(`Type: ${i} : ${AudioRendererChangeInfo.deviceDescriptors[j].deviceType}`);
@@ -3391,7 +3435,7 @@ async function getCurrentAudioRendererInfoArray(){
         }
       }
     }
-  }).catch((err) => {
+  }).catch((err: BusinessError) => {
     console.error(`getCurrentAudioRendererInfoArray :ERROR: ${err}`);
   });
 }
@@ -3413,8 +3457,9 @@ getCurrentAudioCapturerInfoArray(callback: AsyncCallback&lt;AudioCapturerChangeI
 
 **示例：**
 
-```js
-audioStreamManager.getCurrentAudioCapturerInfoArray(async (err, AudioCapturerChangeInfoArray) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioStreamManager.getCurrentAudioCapturerInfoArray(async (err: BusinessError, AudioCapturerChangeInfoArray: audio.AudioCapturerChangeInfoArray) => {
   console.info('getCurrentAudioCapturerInfoArray **** Get Callback Called ****');
   if (err) {
     console.error(`getCurrentAudioCapturerInfoArray :ERROR: ${err}`);
@@ -3425,7 +3470,7 @@ audioStreamManager.getCurrentAudioCapturerInfoArray(async (err, AudioCapturerCha
         console.info(`ClientUid for ${i} is: ${AudioCapturerChangeInfoArray[i].clientUid}`);
         console.info(`Source for ${i} is: ${AudioCapturerChangeInfoArray[i].capturerInfo.source}`);
         console.info(`Flag  ${i} is: ${AudioCapturerChangeInfoArray[i].capturerInfo.capturerFlags}`);
-        console.info(`State for ${i} is: ${AudioCapturerChangeInfoArray[i].capturerState}`);  
+        console.info(`State for ${i} is: ${AudioCapturerChangeInfoArray[i].capturerState}`);
         for (let j = 0; j < AudioCapturerChangeInfoArray[i].deviceDescriptors.length; j++) {
           console.info(`Id: ${i} : ${AudioCapturerChangeInfoArray[i].deviceDescriptors[j].id}`);
           console.info(`Type: ${i} : ${AudioCapturerChangeInfoArray[i].deviceDescriptors[j].deviceType}`);
@@ -3458,9 +3503,10 @@ getCurrentAudioCapturerInfoArray(): Promise&lt;AudioCapturerChangeInfoArray&gt;
 
 **示例：**
 
-```js
+```ts
+import { BusinessError } from '@ohos.base';
 async function getCurrentAudioCapturerInfoArray(){
-  await audioStreamManager.getCurrentAudioCapturerInfoArray().then( function (AudioCapturerChangeInfoArray) {
+  await audioStreamManager.getCurrentAudioCapturerInfoArray().then((AudioCapturerChangeInfoArray: audio.AudioCapturerChangeInfoArray) => {
     console.info('getCurrentAudioCapturerInfoArray **** Get Promise Called ****');
     if (AudioCapturerChangeInfoArray != null) {
       for (let i = 0; i < AudioCapturerChangeInfoArray.length; i++) {
@@ -3468,7 +3514,7 @@ async function getCurrentAudioCapturerInfoArray(){
         console.info(`ClientUid for ${i} is: ${AudioCapturerChangeInfoArray[i].clientUid}`);
         console.info(`Source for ${i} is: ${AudioCapturerChangeInfoArray[i].capturerInfo.source}`);
         console.info(`Flag  ${i} is: ${AudioCapturerChangeInfoArray[i].capturerInfo.capturerFlags}`);
-        console.info(`State for ${i} is: ${AudioCapturerChangeInfoArray[i].capturerState}`);  
+        console.info(`State for ${i} is: ${AudioCapturerChangeInfoArray[i].capturerState}`);
         for (let j = 0; j < AudioCapturerChangeInfoArray[i].deviceDescriptors.length; j++) {
           console.info(`Id: ${i} : ${AudioCapturerChangeInfoArray[i].deviceDescriptors[j].id}`);
           console.info(`Type: ${i} : ${AudioCapturerChangeInfoArray[i].deviceDescriptors[j].deviceType}`);
@@ -3481,7 +3527,7 @@ async function getCurrentAudioCapturerInfoArray(){
         }
       }
     }
-  }).catch((err) => {
+  }).catch((err: BusinessError) => {
     console.error(`getCurrentAudioCapturerInfoArray :ERROR: ${err}`);
   });
 }
@@ -3512,17 +3558,17 @@ on(type: 'audioRendererChange', callback: Callback&lt;AudioRendererChangeInfoArr
 
 **示例：**
 
-```js
-audioStreamManager.on('audioRendererChange',  (AudioRendererChangeInfoArray) => {
+```ts
+audioStreamManager.on('audioRendererChange',  (AudioRendererChangeInfoArray: audio.AudioRendererChangeInfoArray) => {
   for (let i = 0; i < AudioRendererChangeInfoArray.length; i++) {
-    let AudioRendererChangeInfo = AudioRendererChangeInfoArray[i];
+    let AudioRendererChangeInfo: audio.AudioRendererChangeInfo = AudioRendererChangeInfoArray[i];
     console.info(`## RendererChange on is called for ${i} ##`);
     console.info(`StreamId for ${i} is: ${AudioRendererChangeInfo.streamId}`);
     console.info(`ClientUid for ${i} is: ${AudioRendererChangeInfo.clientUid}`);
     console.info(`Content ${i} is: ${AudioRendererChangeInfo.rendererInfo.content}`);
     console.info(`Stream ${i} is: ${AudioRendererChangeInfo.rendererInfo.usage}`);
-    console.info(`Flag ${i} is: ${AudioRendererChangeInfo.rendererInfo.rendererFlags}`); 
-    console.info(`State for ${i} is: ${AudioRendererChangeInfo.rendererState}`);  
+    console.info(`Flag ${i} is: ${AudioRendererChangeInfo.rendererInfo.rendererFlags}`);
+    console.info(`State for ${i} is: ${AudioRendererChangeInfo.rendererState}`);
     for (let j = 0;j < AudioRendererChangeInfo.deviceDescriptors.length; j++) {
       console.info(`Id: ${i} : ${AudioRendererChangeInfo.deviceDescriptors[j].id}`);
       console.info(`Type: ${i} : ${AudioRendererChangeInfo.deviceDescriptors[j].deviceType}`);
@@ -3561,7 +3607,7 @@ off(type: 'audioRendererChange'): void
 
 **示例：**
 
-```js
+```ts
 audioStreamManager.off('audioRendererChange');
 console.info('######### RendererChange Off is called #########');
 ```
@@ -3591,16 +3637,16 @@ on(type: 'audioCapturerChange', callback: Callback&lt;AudioCapturerChangeInfoArr
 
 **示例：**
 
-```js
-audioStreamManager.on('audioCapturerChange', (AudioCapturerChangeInfoArray) =>  {
+```ts
+audioStreamManager.on('audioCapturerChange', (AudioCapturerChangeInfoArray: audio.AudioCapturerChangeInfoArray) =>  {
   for (let i = 0; i < AudioCapturerChangeInfoArray.length; i++) {
     console.info(`## CapChange on is called for element ${i} ##`);
     console.info(`StreamId for ${i} is: ${AudioCapturerChangeInfoArray[i].streamId}`);
     console.info(`ClientUid for ${i} is: ${AudioCapturerChangeInfoArray[i].clientUid}`);
     console.info(`Source for ${i} is: ${AudioCapturerChangeInfoArray[i].capturerInfo.source}`);
     console.info(`Flag  ${i} is: ${AudioCapturerChangeInfoArray[i].capturerInfo.capturerFlags}`);
-    console.info(`State for ${i} is: ${AudioCapturerChangeInfoArray[i].capturerState}`);  
-    let devDescriptor = AudioCapturerChangeInfoArray[i].deviceDescriptors;
+    console.info(`State for ${i} is: ${AudioCapturerChangeInfoArray[i].capturerState}`);
+    let devDescriptor: audio.AudioCapturerChangeInfo = AudioCapturerChangeInfoArray[i].deviceDescriptors;
     for (let j = 0; j < AudioCapturerChangeInfoArray[i].deviceDescriptors.length; j++) {
       console.info(`Id: ${i} : ${AudioCapturerChangeInfoArray[i].deviceDescriptors[j].id}`);
       console.info(`Type: ${i} : ${AudioCapturerChangeInfoArray[i].deviceDescriptors[j].deviceType}`);
@@ -3639,7 +3685,7 @@ off(type: 'audioCapturerChange'): void;
 
 **示例：**
 
-```js
+```ts
 audioStreamManager.off('audioCapturerChange');
 console.info('######### CapturerChange Off is called #########');
 
@@ -3662,12 +3708,13 @@ isActive(volumeType: AudioVolumeType, callback: AsyncCallback&lt;boolean&gt;): v
 
 **示例：**
 
-```js
-audioStreamManager.isActive(audio.AudioVolumeType.MEDIA, (err, value) => {
-  if (err) {
-    console.error(`Failed to obtain the active status of the stream. ${err}`);
-    return;
-  }
+```ts
+import { BusinessError } from '@ohos.base';
+audioStreamManager.isActive(audio.AudioVolumeType.MEDIA, (err: BusinessError, value: boolean) => {
+if (err) {
+  console.error(`Failed to obtain the active status of the stream. ${err}`);
+  return;
+}
   console.info(`Callback invoked to indicate that the active status of the stream is obtained ${value}.`);
 });
 ```
@@ -3694,8 +3741,8 @@ isActive(volumeType: AudioVolumeType): Promise&lt;boolean&gt;
 
 **示例：**
 
-```js
-audioStreamManager.isActive(audio.AudioVolumeType.MEDIA).then((value) => {
+```ts
+audioStreamManager.isActive(audio.AudioVolumeType.MEDIA).then((value: boolean) => {
   console.info(`Promise returned to indicate that the active status of the stream is obtained ${value}.`);
 });
 ```
@@ -3725,8 +3772,9 @@ getAudioEffectInfoArray(usage: StreamUsage, callback: AsyncCallback&lt;AudioEffe
 
 **示例：**
 
-```js
-audioStreamManager.getAudioEffectInfoArray(audio.StreamUsage.STREAM_USAGE_MEDIA, async (err, audioEffectInfoArray) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioStreamManager.getAudioEffectInfoArray(audio.StreamUsage.STREAM_USAGE_MEDIA, async (err: BusinessError, audioEffectInfoArray: audio.AudioEffectInfoArray) => {
   console.info('getAudioEffectInfoArray **** Get Callback Called ****');
   if (err) {
     console.error(`getAudioEffectInfoArray :ERROR: ${err}`);
@@ -3767,11 +3815,12 @@ getAudioEffectInfoArray(usage: StreamUsage): Promise&lt;AudioEffectInfoArray&gt;
 
 **示例：**
 
-```js
-audioStreamManager.getAudioEffectInfoArray(audio.StreamUsage.STREAM_USAGE_MEDIA).then((audioEffectInfoArray) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioStreamManager.getAudioEffectInfoArray(audio.StreamUsage.STREAM_USAGE_MEDIA).then((audioEffectInfoArray: audio.AudioEffectInfoArray) => {
   console.info('getAudioEffectInfoArray ######### Get Promise is called ##########');
   console.info(`The effect modes are: ${audioEffectInfoArray}`);
-}).catch((err) => {
+}).catch((err: BusinessError) => {
   console.error(`getAudioEffectInfoArray :ERROR: ${err}`);
 });
 ```
@@ -3797,8 +3846,9 @@ getDevices(deviceFlag: DeviceFlag, callback: AsyncCallback&lt;AudioDeviceDescrip
 
 **示例：**
 
-```js
-audioRoutingManager.getDevices(audio.DeviceFlag.OUTPUT_DEVICES_FLAG, (err, value) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioRoutingManager.getDevices(audio.DeviceFlag.OUTPUT_DEVICES_FLAG, (err: BusinessError, value: audio.AudioDeviceDescriptors) => {
   if (err) {
     console.error(`Failed to obtain the device list. ${err}`);
     return;
@@ -3829,8 +3879,8 @@ getDevices(deviceFlag: DeviceFlag): Promise&lt;AudioDeviceDescriptors&gt;
 
 **示例：**
 
-```js
-audioRoutingManager.getDevices(audio.DeviceFlag.OUTPUT_DEVICES_FLAG).then((data) => {
+```ts
+audioRoutingManager.getDevices(audio.DeviceFlag.OUTPUT_DEVICES_FLAG).then((data: audio.AudioDeviceDescriptors) => {
   console.info('Promise returned to indicate that the device list is obtained.');
 });
 ```
@@ -3861,8 +3911,8 @@ on(type: 'deviceChange', deviceFlag: DeviceFlag, callback: Callback<DeviceChange
 
 **示例：**
 
-```js
-audioRoutingManager.on('deviceChange', audio.DeviceFlag.OUTPUT_DEVICES_FLAG, (deviceChanged) => {
+```ts
+audioRoutingManager.on('deviceChange', audio.DeviceFlag.OUTPUT_DEVICES_FLAG, (deviceChanged: audio.DeviceChangeAction) => {
   console.info('device change type : ' + deviceChanged.type);
   console.info('device descriptor size : ' + deviceChanged.deviceDescriptors.length);
   console.info('device change descriptor : ' + deviceChanged.deviceDescriptors[0].deviceRole);
@@ -3895,7 +3945,7 @@ off(type: 'deviceChange', callback?: Callback<DeviceChangeAction\>): void
 
 **示例：**
 
-```js
+```ts
 audioRoutingManager.off('deviceChange');
 ```
 
@@ -3917,28 +3967,31 @@ selectInputDevice(inputAudioDevices: AudioDeviceDescriptors, callback: AsyncCall
 | callback                    | AsyncCallback&lt;void&gt;                                    | 是   | 回调，返回选择输入设备结果。 |
 
 **示例：**
-```js
-let inputAudioDeviceDescriptor = [{
-    deviceRole : audio.DeviceRole.INPUT_DEVICE,
-    deviceType : audio.DeviceType.EARPIECE,
-    id : 1,
-    name : "",
-    address : "",
-    sampleRates : [44100],
-    channelCounts : [2],
-    channelMasks : [0],
-    networkId : audio.LOCAL_NETWORK_ID,
-    interruptGroupId : 1,
-    volumeGroupId : 1,
-    displayName : "",
+```ts
+import audio from '@ohos.multimedia.audio';
+import { BusinessError } from '@ohos.base';
+let inputAudioDeviceDescriptor: audio.AudioDeviceDescriptors = [{
+  deviceRole : audio.DeviceRole.INPUT_DEVICE,
+  deviceType : audio.DeviceType.EARPIECE,
+  id : 1,
+  name : "",
+  address : "",
+  sampleRates : [44100],
+  channelCounts : [2],
+  channelMasks : [0],
+  networkId : audio.LOCAL_NETWORK_ID,
+  interruptGroupId : 1,
+  volumeGroupId : 1,
+  displayName : "",
 }];
 
 async function selectInputDevice(){
-  audioRoutingManager.selectInputDevice(inputAudioDeviceDescriptor, (err) => {
+  audioRoutingManager.selectInputDevice(inputAudioDeviceDescriptor, (err: BusinessError) => {
     if (err) {
       console.error(`Result ERROR: ${err}`);
     } else {
-      console.info('Select input devices result callback: SUCCESS'); }
+      console.info('Select input devices result callback: SUCCESS');
+    }
   });
 }
 ```
@@ -3967,28 +4020,30 @@ selectInputDevice(inputAudioDevices: AudioDeviceDescriptors): Promise&lt;void&gt
 
 **示例：**
 
-```js
-let inputAudioDeviceDescriptor = [{
-    deviceRole : audio.DeviceRole.INPUT_DEVICE,
-    deviceType : audio.DeviceType.EARPIECE,
-    id : 1,
-    name : "",
-    address : "",
-    sampleRates : [44100],
-    channelCounts : [2],
-    channelMasks : [0],
-    networkId : audio.LOCAL_NETWORK_ID,
-    interruptGroupId : 1,
-    volumeGroupId : 1,
-    displayName : "",
+```ts
+import audio from '@ohos.multimedia.audio';
+import { BusinessError } from '@ohos.base';
+let inputAudioDeviceDescriptor: audio.AudioDeviceDescriptors = [{
+  deviceRole : audio.DeviceRole.INPUT_DEVICE,
+  deviceType : audio.DeviceType.EARPIECE,
+  id : 1,
+  name : "",
+  address : "",
+  sampleRates : [44100],
+  channelCounts : [2],
+  channelMasks : [0],
+  networkId : audio.LOCAL_NETWORK_ID,
+  interruptGroupId : 1,
+  volumeGroupId : 1,
+  displayName : "",
 }];
 
 async function getRoutingManager(){
-    audioRoutingManager.selectInputDevice(inputAudioDeviceDescriptor).then(() => {
-      console.info('Select input devices result promise: SUCCESS');
-    }).catch((err) => {
-      console.error(`Result ERROR: ${err}`);
-    });
+  audioRoutingManager.selectInputDevice(inputAudioDeviceDescriptor).then(() => {
+    console.info('Select input devices result promise: SUCCESS');
+  }).catch((err: BusinessError) => {
+    console.error(`Result ERROR: ${err}`);
+  });
 }
 ```
 
@@ -4010,8 +4065,9 @@ setCommunicationDevice(deviceType: CommunicationDeviceType, active: boolean, cal
 
 **示例：**
 
-```js
-audioRoutingManager.setCommunicationDevice(audio.CommunicationDeviceType.SPEAKER, true, (err) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioRoutingManager.setCommunicationDevice(audio.CommunicationDeviceType.SPEAKER, true, (err: BusinessError) => {
   if (err) {
     console.error(`Failed to set the active status of the device. ${err}`);
     return;
@@ -4043,7 +4099,7 @@ setCommunicationDevice(deviceType: CommunicationDeviceType, active: boolean): Pr
 
 **示例：**
 
-```js
+```ts
 audioRoutingManager.setCommunicationDevice(audio.CommunicationDeviceType.SPEAKER, true).then(() => {
   console.info('Promise returned to indicate that the device is set to the active status.');
 });
@@ -4066,8 +4122,9 @@ isCommunicationDeviceActive(deviceType: CommunicationDeviceType, callback: Async
 
 **示例：**
 
-```js
-audioRoutingManager.isCommunicationDeviceActive(audio.CommunicationDeviceType.SPEAKER, (err, value) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioRoutingManager.isCommunicationDeviceActive(audio.CommunicationDeviceType.SPEAKER, (err: BusinessError, value: boolean) => {
   if (err) {
     console.error(`Failed to obtain the active status of the device. ${err}`);
     return;
@@ -4098,8 +4155,8 @@ isCommunicationDeviceActive(deviceType: CommunicationDeviceType): Promise&lt;boo
 
 **示例：**
 
-```js
-audioRoutingManager.isCommunicationDeviceActive(audio.CommunicationDeviceType.SPEAKER).then((value) => {
+```ts
+audioRoutingManager.isCommunicationDeviceActive(audio.CommunicationDeviceType.SPEAKER).then((value: boolean) => {
   console.info(`Promise returned to indicate that the active status of the device is obtained ${value}.`);
 });
 ```
@@ -4122,24 +4179,26 @@ selectOutputDevice(outputAudioDevices: AudioDeviceDescriptors, callback: AsyncCa
 | callback                    | AsyncCallback&lt;void&gt;                                    | 是   | 回调，返回获取输出设备结果。 |
 
 **示例：**
-```js
-let outputAudioDeviceDescriptor = [{
-    deviceRole : audio.DeviceRole.OUTPUT_DEVICE,
-    deviceType : audio.DeviceType.SPEAKER,
-    id : 1,
-    name : "",
-    address : "",
-    sampleRates : [44100],
-    channelCounts : [2],
-    channelMasks : [0],
-    networkId : audio.LOCAL_NETWORK_ID,
-    interruptGroupId : 1,
-    volumeGroupId : 1,
-    displayName : "",
+```ts
+import audio from '@ohos.multimedia.audio';
+import { BusinessError } from '@ohos.base';
+let outputAudioDeviceDescriptor: audio.AudioDeviceDescriptors = [{
+  deviceRole : audio.DeviceRole.OUTPUT_DEVICE,
+  deviceType : audio.DeviceType.SPEAKER,
+  id : 1,
+  name : "",
+  address : "",
+  sampleRates : [44100],
+  channelCounts : [2],
+  channelMasks : [0],
+  networkId : audio.LOCAL_NETWORK_ID,
+  interruptGroupId : 1,
+  volumeGroupId : 1,
+  displayName : "",
 }];
 
 async function selectOutputDevice(){
-  audioRoutingManager.selectOutputDevice(outputAudioDeviceDescriptor, (err) => {
+  audioRoutingManager.selectOutputDevice(outputAudioDeviceDescriptor, (err: BusinessError) => {
     if (err) {
       console.error(`Result ERROR: ${err}`);
     } else {
@@ -4172,26 +4231,28 @@ selectOutputDevice(outputAudioDevices: AudioDeviceDescriptors): Promise&lt;void&
 
 **示例：**
 
-```js
-let outputAudioDeviceDescriptor = [{
-    deviceRole : audio.DeviceRole.OUTPUT_DEVICE,
-    deviceType : audio.DeviceType.SPEAKER,
-    id : 1,
-    name : "",
-    address : "",
-    sampleRates : [44100],
-    channelCounts : [2],
-    channelMasks : [0],
-    networkId : audio.LOCAL_NETWORK_ID,
-    interruptGroupId : 1,
-    volumeGroupId : 1,
-    displayName : "",
+```ts
+import audio from '@ohos.multimedia.audio';
+import { BusinessError } from '@ohos.base';
+let outputAudioDeviceDescriptor: audio.AudioDeviceDescriptors = [{
+  deviceRole : audio.DeviceRole.OUTPUT_DEVICE,
+  deviceType : audio.DeviceType.SPEAKER,
+  id : 1,
+  name : "",
+  address : "",
+  sampleRates : [44100],
+  channelCounts : [2],
+  channelMasks : [0],
+  networkId : audio.LOCAL_NETWORK_ID,
+  interruptGroupId : 1,
+  volumeGroupId : 1,
+  displayName : "",
 }];
 
 async function selectOutputDevice(){
   audioRoutingManager.selectOutputDevice(outputAudioDeviceDescriptor).then(() => {
     console.info('Select output devices result promise: SUCCESS');
-  }).catch((err) => {
+  }).catch((err: BusinessError) => {
     console.error(`Result ERROR: ${err}`);
   });
 }
@@ -4216,32 +4277,36 @@ selectOutputDeviceByFilter(filter: AudioRendererFilter, outputAudioDevices: Audi
 | callback                    | AsyncCallback&lt;void&gt;                                    | 是   | 回调，返回获取输出设备结果。 |
 
 **示例：**
-```js
-let outputAudioRendererFilter = {
+```ts
+import audio from '@ohos.multimedia.audio';
+import { BusinessError } from '@ohos.base';
+let outputAudioRendererFilter: audio.AudioRendererFilter = {
   uid : 20010041,
   rendererInfo : {
     content : audio.ContentType.CONTENT_TYPE_MUSIC,
     usage : audio.StreamUsage.STREAM_USAGE_MEDIA,
-    rendererFlags : 0 },
-  rendererId : 0 };
-  
-let outputAudioDeviceDescriptor = [{
-    deviceRole : audio.DeviceRole.OUTPUT_DEVICE,
-    deviceType : audio.DeviceType.SPEAKER,
-    id : 1,
-    name : "",
-    address : "",
-    sampleRates : [44100],
-    channelCounts : [2],
-    channelMasks : [0],
-    networkId : audio.LOCAL_NETWORK_ID,
-    interruptGroupId : 1,
-    volumeGroupId : 1,
-    displayName : "",
+    rendererFlags : 0
+  },
+  rendererId : 0
+};
+
+let outputAudioDeviceDescriptor: audio.AudioDeviceDescriptors = [{
+  deviceRole : audio.DeviceRole.OUTPUT_DEVICE,
+  deviceType : audio.DeviceType.SPEAKER,
+  id : 1,
+  name : "",
+  address : "",
+  sampleRates : [44100],
+  channelCounts : [2],
+  channelMasks : [0],
+  networkId : audio.LOCAL_NETWORK_ID,
+  interruptGroupId : 1,
+  volumeGroupId : 1,
+  displayName : "",
 }];
 
 async function selectOutputDeviceByFilter(){
-  audioRoutingManager.selectOutputDeviceByFilter(outputAudioRendererFilter, outputAudioDeviceDescriptor, (err) => {
+  audioRoutingManager.selectOutputDeviceByFilter(outputAudioRendererFilter, outputAudioDeviceDescriptor, (err: BusinessError) => {
     if (err) {
       console.error(`Result ERROR: ${err}`);
     } else {
@@ -4275,34 +4340,38 @@ selectOutputDeviceByFilter(filter: AudioRendererFilter, outputAudioDevices: Audi
 
 **示例：**
 
-```js
-let outputAudioRendererFilter = {
+```ts
+import audio from '@ohos.multimedia.audio';
+import { BusinessError } from '@ohos.base';
+let outputAudioRendererFilter: audio.AudioRendererFilter = {
   uid : 20010041,
   rendererInfo : {
     content : audio.ContentType.CONTENT_TYPE_MUSIC,
     usage : audio.StreamUsage.STREAM_USAGE_MEDIA,
-    rendererFlags : 0 },
-  rendererId : 0 };
-
-let outputAudioDeviceDescriptor = [{
-    deviceRole : audio.DeviceRole.OUTPUT_DEVICE,
-    deviceType : audio.DeviceType.SPEAKER,
-    id : 1,
-    name : "",
-    address : "",
-    sampleRates : [44100],
-    channelCounts : [2],
-    channelMasks : [0],
-    networkId : audio.LOCAL_NETWORK_ID,
-    interruptGroupId : 1,
-    volumeGroupId : 1,
-    displayName : "",
+    rendererFlags : 0
+  },
+  rendererId : 0
+};
+
+let outputAudioDeviceDescriptor: audio.AudioDeviceDescriptors = [{
+  deviceRole : audio.DeviceRole.OUTPUT_DEVICE,
+  deviceType : audio.DeviceType.SPEAKER,
+  id : 1,
+  name : "",
+  address : "",
+  sampleRates : [44100],
+  channelCounts : [2],
+  channelMasks : [0],
+  networkId : audio.LOCAL_NETWORK_ID,
+  interruptGroupId : 1,
+  volumeGroupId : 1,
+  displayName : "",
 }];
 
 async function selectOutputDeviceByFilter(){
   audioRoutingManager.selectOutputDeviceByFilter(outputAudioRendererFilter, outputAudioDeviceDescriptor).then(() => {
     console.info('Select output devices by filter result promise: SUCCESS');
-  }).catch((err) => {
+  }).catch((err: BusinessError) => {
     console.error(`Result ERROR: ${err}`);
   })
 }
@@ -4333,14 +4402,17 @@ getPreferredOutputDeviceForRendererInfo(rendererInfo: AudioRendererInfo, callbac
 | 6800301 | System error. Return by callback.                    |
 
 **示例：**
-```js
-let rendererInfo = {
-    content : audio.ContentType.CONTENT_TYPE_MUSIC,
-    usage : audio.StreamUsage.STREAM_USAGE_MEDIA,
-    rendererFlags : 0 }
+```ts
+import audio from '@ohos.multimedia.audio';
+import { BusinessError } from '@ohos.base';
+let rendererInfo: audio.AudioRendererInfo = {
+  content : audio.ContentType.CONTENT_TYPE_MUSIC,
+  usage : audio.StreamUsage.STREAM_USAGE_MEDIA,
+  rendererFlags : 0
+}
 
 async function getPreferredOutputDevice() {
-  audioRoutingManager.getPreferredOutputDeviceForRendererInfo(rendererInfo, (err, desc) => {
+  audioRoutingManager.getPreferredOutputDeviceForRendererInfo(rendererInfo, (err: BusinessError, desc: audio.AudioDeviceDescriptors) => {
     if (err) {
       console.error(`Result ERROR: ${err}`);
     } else {
@@ -4380,16 +4452,19 @@ getPreferredOutputDeviceForRendererInfo(rendererInfo: AudioRendererInfo): Promis
 
 **示例：**
 
-```js
-let rendererInfo = {
-    content : audio.ContentType.CONTENT_TYPE_MUSIC,
-    usage : audio.StreamUsage.STREAM_USAGE_MEDIA,
-    rendererFlags : 0 }
+```ts
+import audio from '@ohos.multimedia.audio';
+import { BusinessError } from '@ohos.base';
+let rendererInfo: audio.AudioRendererInfo = {
+  content : audio.ContentType.CONTENT_TYPE_MUSIC,
+  usage : audio.StreamUsage.STREAM_USAGE_MEDIA,
+  rendererFlags : 0
+}
 
 async function getPreferredOutputDevice() {
-  audioRoutingManager.getPreferredOutputDeviceForRendererInfo(rendererInfo).then((desc) => {
+  audioRoutingManager.getPreferredOutputDeviceForRendererInfo(rendererInfo).then((desc: audio.AudioDeviceDescriptors) => {
     console.info(`device descriptor: ${desc}`);
-  }).catch((err) => {
+  }).catch((err: BusinessError) => {
     console.error(`Result ERROR: ${err}`);
   })
 }
@@ -4421,13 +4496,15 @@ on(type: 'preferredOutputDeviceChangeForRendererInfo', rendererInfo: AudioRender
 
 **示例：**
 
-```js
-let rendererInfo = {
-    content : audio.ContentType.CONTENT_TYPE_MUSIC,
-    usage : audio.StreamUsage.STREAM_USAGE_MEDIA,
-    rendererFlags : 0 }
+```ts
+import audio from '@ohos.multimedia.audio';
+let rendererInfo: audio.AudioRendererInfo = {
+  content : audio.ContentType.CONTENT_TYPE_MUSIC,
+  usage : audio.StreamUsage.STREAM_USAGE_MEDIA,
+  rendererFlags : 0
+}
 
-audioRoutingManager.on('preferredOutputDeviceChangeForRendererInfo', rendererInfo, (desc) => {
+audioRoutingManager.on('preferredOutputDeviceChangeForRendererInfo', rendererInfo, (desc: audio.AudioDeviceDescriptors) => {
   console.info(`device descriptor: ${desc}`);
 });
 ```
@@ -4457,7 +4534,7 @@ off(type: 'preferredOutputDeviceChangeForRendererInfo', callback?: Callback<Audi
 
 **示例：**
 
-```js
+```ts
 audioRoutingManager.off('preferredOutputDeviceChangeForRendererInfo');
 ```
 
@@ -4486,13 +4563,15 @@ getPreferredInputDeviceForCapturerInfo(capturerInfo: AudioCapturerInfo, callback
 | 6800301 | System error. Return by callback.           |
 
 **示例：**
-```js
-let capturerInfo = {
+```ts
+import audio from '@ohos.multimedia.audio';
+import { BusinessError } from '@ohos.base';
+let capturerInfo: audio.AudioCapturerInfo = {
   source: audio.SourceType.SOURCE_TYPE_MIC,
   capturerFlags: 0
 }
 
-audioRoutingManager.getPreferredInputDeviceForCapturerInfo(capturerInfo, (err, desc) => {
+audioRoutingManager.getPreferredInputDeviceForCapturerInfo(capturerInfo, (err: BusinessError, desc: audio.AudioDeviceDescriptors) => {
   if (err) {
     console.error(`Result ERROR: ${err}`);
   } else {
@@ -4532,17 +4611,19 @@ getPreferredInputDeviceForCapturerInfo(capturerInfo: AudioCapturerInfo): Promise
 
 **示例：**
 
-```js
-let capturerInfo = {
+```ts
+import audio from '@ohos.multimedia.audio';
+import { BusinessError } from '@ohos.base';
+let capturerInfo: audio.AudioCapturerInfo = {
   source: audio.SourceType.SOURCE_TYPE_MIC,
   capturerFlags: 0
 }
 
-audioRoutingManager.getPreferredInputDeviceForCapturerInfo(capturerInfo).then((desc) => {
+audioRoutingManager.getPreferredInputDeviceForCapturerInfo(capturerInfo).then((desc: audio.AudioDeviceDescriptors) => {
   console.info(`device descriptor: ${desc}`);
-}).catch((err) => {
+}).catch((err: BusinessError) => {
   console.error(`Result ERROR: ${err}`);
-})
+});
 ```
 
 ### on('preferredInputDeviceChangeForCapturerInfo')<sup>10+</sup>
@@ -4571,13 +4652,14 @@ on(type: 'preferredInputDeviceChangeForCapturerInfo', capturerInfo: AudioCapture
 
 **示例：**
 
-```js
-let capturerInfo = {
+```ts
+import audio from '@ohos.multimedia.audio';
+let capturerInfo: audio.AudioCapturerInfo = {
   source: audio.SourceType.SOURCE_TYPE_MIC,
   capturerFlags: 0
 }
 
-audioRoutingManager.on('preferredInputDeviceChangeForCapturerInfo', capturerInfo, (desc) => {
+audioRoutingManager.on('preferredInputDeviceChangeForCapturerInfo', capturerInfo, (desc: audio.AudioDeviceDescriptors) => {
   console.info(`device descriptor: ${desc}`);
 });
 ```
@@ -4607,7 +4689,7 @@ off(type: 'preferredInputDeviceChangeForCapturerInfo', callback?: Callback<Audio
 
 **示例：**
 
-```js
+```ts
 audioRoutingManager.off('preferredInputDeviceChangeForCapturerInfo');
 ```
 
@@ -4633,8 +4715,7 @@ audioRoutingManager.off('preferredInputDeviceChangeForCapturerInfo');
 
 **示例：**
 
-```js
-
+```ts
 import audio from '@ohos.multimedia.audio';
 
 const audioManager = audio.getAudioManager();
@@ -4650,17 +4731,17 @@ audioStreamManager.on('audioRendererChange',  (AudioRendererChangeInfoArray) =>
     console.info(`Stream for ${i} is: ${AudioRendererChangeInfoArray[i].rendererInfo.usage}`);
     console.info(`Flag ${i} is: ${AudioRendererChangeInfoArray[i].rendererInfo.rendererFlags}`);
     console.info(`State for ${i} is: ${AudioRendererChangeInfoArray[i].rendererState}`);
-  	let devDescriptor = AudioRendererChangeInfoArray[i].deviceDescriptors;
-  	for (let j = 0; j < AudioRendererChangeInfoArray[i].deviceDescriptors.length; j++) {
-  	  console.info(`Id: ${i} : ${AudioRendererChangeInfoArray[i].deviceDescriptors[j].id}`);
-  	  console.info(`Type: ${i} : ${AudioRendererChangeInfoArray[i].deviceDescriptors[j].deviceType}`);
-  	  console.info(`Role: ${i} : ${AudioRendererChangeInfoArray[i].deviceDescriptors[j].deviceRole}`);
-  	  console.info(`Name: ${i} : ${AudioRendererChangeInfoArray[i].deviceDescriptors[j].name}`);
-  	  console.info(`Addr: ${i} : ${AudioRendererChangeInfoArray[i].deviceDescriptors[j].address}`);
-  	  console.info(`SR: ${i} : ${AudioRendererChangeInfoArray[i].deviceDescriptors[j].sampleRates[0]}`);
-  	  console.info(`C ${i} : ${AudioRendererChangeInfoArray[i].deviceDescriptors[j].channelCounts[0]}`);
-  	  console.info(`CM: ${i} : ${AudioRendererChangeInfoArray[i].deviceDescriptors[j].channelMasks}`);
-  	}
+    let devDescriptor = AudioRendererChangeInfoArray[i].deviceDescriptors;
+    for (let j = 0; j < AudioRendererChangeInfoArray[i].deviceDescriptors.length; j++) {
+      console.info(`Id: ${i} : ${AudioRendererChangeInfoArray[i].deviceDescriptors[j].id}`);
+      console.info(`Type: ${i} : ${AudioRendererChangeInfoArray[i].deviceDescriptors[j].deviceType}`);
+      console.info(`Role: ${i} : ${AudioRendererChangeInfoArray[i].deviceDescriptors[j].deviceRole}`);
+      console.info(`Name: ${i} : ${AudioRendererChangeInfoArray[i].deviceDescriptors[j].name}`);
+      console.info(`Addr: ${i} : ${AudioRendererChangeInfoArray[i].deviceDescriptors[j].address}`);
+      console.info(`SR: ${i} : ${AudioRendererChangeInfoArray[i].deviceDescriptors[j].sampleRates[0]}`);
+      console.info(`C ${i} : ${AudioRendererChangeInfoArray[i].deviceDescriptors[j].channelCounts[0]}`);
+      console.info(`CM: ${i} : ${AudioRendererChangeInfoArray[i].deviceDescriptors[j].channelMasks}`);
+    }
     if (AudioRendererChangeInfoArray[i].rendererState == 1 && devDescriptor != null) {
       resultFlag = true;
       console.info(`ResultFlag for ${i} is: ${resultFlag}`);
@@ -4692,7 +4773,7 @@ audioStreamManager.on('audioRendererChange',  (AudioRendererChangeInfoArray) =>
 
 **示例：**
 
-```js
+```ts
 import audio from '@ohos.multimedia.audio';
 
 const audioManager = audio.getAudioManager();
@@ -4757,18 +4838,16 @@ audioStreamManager.on('audioCapturerChange', (AudioCapturerChangeInfoArray) =>
 
 **示例：**
 
-```js
-import audio from '@ohos.multimedia.audio';
-
-function displayDeviceProp(value) {
+```ts
+function displayDeviceProp(value: audio.AudioDeviceDescriptor) {
   deviceRoleValue = value.deviceRole;
   deviceTypeValue = value.deviceType;
 }
 
-let deviceRoleValue = null;
-let deviceTypeValue = null;
+let deviceRoleValue: audio.DeviceRole = null;
+let deviceTypeValue: audio.DeviceType = null;
 const promise = audio.getAudioManager().getDevices(1);
-promise.then(function (value) {
+promise.then((value) => {
   console.info('AudioFrameworkTest: Promise: getDevices OUTPUT_DEVICES_FLAG');
   value.forEach(displayDeviceProp);
   if (deviceTypeValue != null && deviceRoleValue != null){
@@ -4793,14 +4872,17 @@ promise.then(function (value) {
 
 **示例：**
 
-```js
-let outputAudioRendererFilter = {
-  "uid":20010041,
-  "rendererInfo": {
-    "contentType":audio.ContentType.CONTENT_TYPE_MUSIC,
-    "streamUsage":audio.StreamUsage.STREAM_USAGE_MEDIA,
-    "rendererFlags":0 },
-  "rendererId":0 };
+```ts
+import audio from '@ohos.multimedia.audio';
+let outputAudioRendererFilter: audio.AudioRendererFilter = {
+  uid : 20010041,
+  rendererInfo : {
+    content : audio.ContentType.CONTENT_TYPE_MUSIC,
+    usage : audio.StreamUsage.STREAM_USAGE_MEDIA,
+    rendererFlags : 0
+  },
+  rendererId : 0
+};
 ```
 
 ## AudioRenderer<sup>8+</sup>
@@ -4817,8 +4899,8 @@ let outputAudioRendererFilter = {
 
 **示例：**
 
-```js
-let state = audioRenderer.state;
+```ts
+let state: audio.AudioState = audioRenderer.state;
 ```
 
 ### getRendererInfo<sup>8+</sup>
@@ -4837,8 +4919,9 @@ getRendererInfo(callback: AsyncCallback<AudioRendererInfo\>): void
 
 **示例：**
 
-```js
-audioRenderer.getRendererInfo((err, rendererInfo) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioRenderer.getRendererInfo((err: BusinessError, rendererInfo: audio.AudioRendererInfo) => {
   console.info('Renderer GetRendererInfo:');
   console.info(`Renderer content: ${rendererInfo.content}`);
   console.info(`Renderer usage: ${rendererInfo.usage}`);
@@ -4862,13 +4945,14 @@ getRendererInfo(): Promise<AudioRendererInfo\>
 
 **示例：**
 
-```js
-audioRenderer.getRendererInfo().then((rendererInfo) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioRenderer.getRendererInfo().then((rendererInfo: audio.AudioRendererInfo) => {
   console.info('Renderer GetRendererInfo:');
   console.info(`Renderer content: ${rendererInfo.content}`);
   console.info(`Renderer usage: ${rendererInfo.usage}`);
   console.info(`Renderer flags: ${rendererInfo.rendererFlags}`)
-}).catch((err) => {
+}).catch((err: BusinessError) => {
   console.error(`AudioFrameworkRenderLog: RendererInfo :ERROR: ${err}`);
 });
 ```
@@ -4889,8 +4973,9 @@ getStreamInfo(callback: AsyncCallback<AudioStreamInfo\>): void
 
 **示例：**
 
-```js
-audioRenderer.getStreamInfo((err, streamInfo) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioRenderer.getStreamInfo((err: BusinessError, streamInfo: audio.AudioStreamInfo) => {
   console.info('Renderer GetStreamInfo:');
   console.info(`Renderer sampling rate: ${streamInfo.samplingRate}`);
   console.info(`Renderer channel: ${streamInfo.channels}`);
@@ -4915,14 +5000,15 @@ getStreamInfo(): Promise<AudioStreamInfo\>
 
 **示例：**
 
-```js
-audioRenderer.getStreamInfo().then((streamInfo) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioRenderer.getStreamInfo().then((streamInfo: audio.AudioStreamInfo) => {
   console.info('Renderer GetStreamInfo:');
   console.info(`Renderer sampling rate: ${streamInfo.samplingRate}`);
   console.info(`Renderer channel: ${streamInfo.channels}`);
   console.info(`Renderer format: ${streamInfo.sampleFormat}`);
   console.info(`Renderer encoding type: ${streamInfo.encodingType}`);
-}).catch((err) => {
+}).catch((err: BusinessError) => {
   console.error(`ERROR: ${err}`);
 });
 ```
@@ -4943,8 +5029,9 @@ getAudioStreamId(callback: AsyncCallback<number\>): void
 
 **示例：**
 
-```js
-audioRenderer.getAudioStreamId((err, streamid) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioRenderer.getAudioStreamId((err: BusinessError, streamid: number) => {
   console.info(`Renderer GetStreamId: ${streamid}`);
 });
 ```
@@ -4965,10 +5052,11 @@ getAudioStreamId(): Promise<number\>
 
 **示例：**
 
-```js
-audioRenderer.getAudioStreamId().then((streamid) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioRenderer.getAudioStreamId().then((streamid: number) => {
   console.info(`Renderer getAudioStreamId: ${streamid}`);
-}).catch((err) => {
+}).catch((err: BusinessError) => {
   console.error(`ERROR: ${err}`);
 });
 ```
@@ -4998,8 +5086,9 @@ setAudioEffectMode(mode: AudioEffectMode, callback: AsyncCallback\<void>): void
 
 **示例：**
 
-```js
-audioRenderer.setAudioEffectMode(audio.AudioEffectMode.EFFECT_DEFAULT, (err) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioRenderer.setAudioEffectMode(audio.AudioEffectMode.EFFECT_DEFAULT, (err: BusinessError) => {
   if (err) {
     console.error('Failed to set params');
   } else {
@@ -5038,10 +5127,11 @@ setAudioEffectMode(mode: AudioEffectMode): Promise\<void>
 
 **示例：**
 
-```js
+```ts
+import { BusinessError } from '@ohos.base';
 audioRenderer.setAudioEffectMode(audio.AudioEffectMode.EFFECT_DEFAULT).then(() => {
   console.info('setAudioEffectMode SUCCESS');
-}).catch((err) => {
+}).catch((err: BusinessError) => {
   console.error(`ERROR: ${err}`);
 });
 ```
@@ -5062,8 +5152,9 @@ getAudioEffectMode(callback: AsyncCallback\<AudioEffectMode>): void
 
 **示例：**
 
-```js
-audioRenderer.getAudioEffectMode((err, effectmode) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioRenderer.getAudioEffectMode((err: BusinessError, effectmode: audio.AudioEffectMode) => {
   if (err) {
     console.error('Failed to get params');
   } else {
@@ -5088,10 +5179,11 @@ getAudioEffectMode(): Promise\<AudioEffectMode>
 
 **示例：**
 
-```js
-audioRenderer.getAudioEffectMode().then((effectmode) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioRenderer.getAudioEffectMode().then((effectmode: audio.AudioEffectMode) => {
   console.info(`getAudioEffectMode: ${effectmode}`);
-}).catch((err) => {
+}).catch((err: BusinessError) => {
   console.error(`ERROR: ${err}`);
 });
 ```
@@ -5112,8 +5204,9 @@ start(callback: AsyncCallback<void\>): void
 
 **示例：**
 
-```js
-audioRenderer.start((err) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioRenderer.start((err: BusinessError) => {
   if (err) {
     console.error('Renderer start failed.');
   } else {
@@ -5138,10 +5231,11 @@ start(): Promise<void\>
 
 **示例：**
 
-```js
+```ts
+import { BusinessError } from '@ohos.base';
 audioRenderer.start().then(() => {
   console.info('Renderer started');
-}).catch((err) => {
+}).catch((err: BusinessError) => {
   console.error(`ERROR: ${err}`);
 });
 ```
@@ -5162,8 +5256,9 @@ pause(callback: AsyncCallback\<void>): void
 
 **示例：**
 
-```js
-audioRenderer.pause((err) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioRenderer.pause((err: BusinessError) => {
   if (err) {
     console.error('Renderer pause failed');
   } else {
@@ -5188,10 +5283,11 @@ pause(): Promise\<void>
 
 **示例：**
 
-```js
+```ts
+import { BusinessError } from '@ohos.base';
 audioRenderer.pause().then(() => {
   console.info('Renderer paused');
-}).catch((err) => {
+}).catch((err: BusinessError) => {
   console.error(`ERROR: ${err}`);
 });
 ```
@@ -5212,8 +5308,9 @@ drain(callback: AsyncCallback\<void>): void
 
 **示例：**
 
-```js
-audioRenderer.drain((err) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioRenderer.drain((err: BusinessError) => {
   if (err) {
     console.error('Renderer drain failed');
   } else {
@@ -5238,10 +5335,11 @@ drain(): Promise\<void>
 
 **示例：**
 
-```js
+```ts
+import { BusinessError } from '@ohos.base';
 audioRenderer.drain().then(() => {
   console.info('Renderer drained successfully');
-}).catch((err) => {
+}).catch((err: BusinessError) => {
   console.error(`ERROR: ${err}`);
 });
 ```
@@ -5262,8 +5360,9 @@ stop(callback: AsyncCallback\<void>): void
 
 **示例：**
 
-```js
-audioRenderer.stop((err) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioRenderer.stop((err: BusinessError) => {
   if (err) {
     console.error('Renderer stop failed');
   } else {
@@ -5288,10 +5387,11 @@ stop(): Promise\<void>
 
 **示例：**
 
-```js
+```ts
+import { BusinessError } from '@ohos.base';
 audioRenderer.stop().then(() => {
   console.info('Renderer stopped successfully');
-}).catch((err) => {
+}).catch((err: BusinessError) => {
   console.error(`ERROR: ${err}`);
 });
 ```
@@ -5312,8 +5412,9 @@ release(callback: AsyncCallback\<void>): void
 
 **示例：**
 
-```js
-audioRenderer.release((err) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioRenderer.release((err: BusinessError) => {
   if (err) {
     console.error('Renderer release failed');
   } else {
@@ -5338,10 +5439,11 @@ release(): Promise\<void>
 
 **示例：**
 
-```js
+```ts
+import { BusinessError } from '@ohos.base';
 audioRenderer.release().then(() => {
   console.info('Renderer released successfully');
-}).catch((err) => {
+}).catch((err: BusinessError) => {
   console.error(`ERROR: ${err}`);
 });
 ```
@@ -5363,26 +5465,31 @@ write(buffer: ArrayBuffer, callback: AsyncCallback\<number>): void
 
 **示例：**
 
-```js
-let bufferSize;
-audioRenderer.getBufferSize().then((data)=> {
+```ts
+import { BusinessError } from '@ohos.base';
+let bufferSize: number;
+class Options {
+  offset?: number;
+  length?: number;
+}
+audioRenderer.getBufferSize().then((data: number)=> {
   console.info(`AudioFrameworkRenderLog: getBufferSize: SUCCESS ${data}`);
   bufferSize = data;
   console.info(`Buffer size: ${bufferSize}`);
   let path = getContext().cacheDir;
   let filePath = path + '/StarWars10s-2C-48000-4SW.wav';
-  let file = fs.openSync(filePath, fs.OpenMode.READ_ONLY);
-  fs.stat(filePath).then(async (stat) => {
+  let file: fs.File = fs.openSync(filePath, fs.OpenMode.READ_ONLY);
+  fs.stat(filePath).then(async (stat: fs.Stat) => {
     let buf = new ArrayBuffer(bufferSize);
     let len = stat.size % bufferSize == 0 ? Math.floor(stat.size / bufferSize) : Math.floor(stat.size / bufferSize + 1);
     for (let i = 0;i < len; i++) {
-      let options = {
+      let options: Options = {
         offset: i * bufferSize,
         length: bufferSize
       }
-      let readsize = await fs.read(file.fd, buf, options)
-      let writeSize = await new Promise((resolve,reject)=>{
-        audioRenderer.write(buf,(err,writeSize)=>{
+      let readsize: number = await fs.read(file.fd, buf, options)
+      let writeSize: number = await new Promise((resolve,reject)=>{
+        audioRenderer.write(buf,(err: BusinessError, writeSize: number)=>{
           if(err){
             reject(err)
           }else{
@@ -5392,8 +5499,8 @@ audioRenderer.getBufferSize().then((data)=> {
       })
     }
   });
-}).catch((err) => {
-  console.error(`AudioFrameworkRenderLog: getBufferSize: ERROR: ${err}`);
+  }).catch((err: BusinessError) => {
+    console.error(`AudioFrameworkRenderLog: getBufferSize: ERROR: ${err}`);
 });
 
 
@@ -5415,33 +5522,39 @@ write(buffer: ArrayBuffer): Promise\<number>
 
 **示例：**
 
-```js
-let bufferSize;
-audioRenderer.getBufferSize().then((data) => {
+```ts
+import { BusinessError } from '@ohos.base';
+let bufferSize: number;
+class Options {
+  offset?: number;
+  length?: number;
+}
+audioRenderer.getBufferSize().then((data: number) => {
   console.info(`AudioFrameworkRenderLog: getBufferSize: SUCCESS ${data}`);
   bufferSize = data;
   console.info(`BufferSize: ${bufferSize}`);
   let path = getContext().cacheDir;
   let filePath = path + '/StarWars10s-2C-48000-4SW.wav';
-  let file = fs.openSync(filePath, fs.OpenMode.READ_ONLY);
-  fs.stat(filePath).then(async (stat) => {
+  let file: fs.File = fs.openSync(filePath, fs.OpenMode.READ_ONLY);
+  fs.stat(filePath).then(async (stat: fs.Stat) => {
     let buf = new ArrayBuffer(bufferSize);
     let len = stat.size % bufferSize == 0 ? Math.floor(stat.size / bufferSize) : Math.floor(stat.size / bufferSize + 1);
     for (let i = 0;i < len; i++) {
-        let options = {
-          offset: i * bufferSize,
-          length: bufferSize
-        }
-        let readsize = await fs.read(file.fd, buf, options)
-        try{
-          let writeSize = await audioRenderer.write(buf);
-        } catch(err) {
-          console.error(`audioRenderer.write err: ${err}`);
-        }
+      let options: Options = {
+        offset: i * bufferSize,
+        length: bufferSize
+      }
+      let readsize: number = await fs.read(file.fd, buf, options)
+      try{
+        let writeSize: number = await audioRenderer.write(buf);
+      } catch(err) {
+        let error: BusinessError = err;
+        console.error(`audioRenderer.write err: ${error}`);
+      }
     }
   });
-}).catch((err) => {
-  console.info(`AudioFrameworkRenderLog: getBufferSize: ERROR: ${err}`);
+  }).catch((err: BusinessError) => {
+    console.info(`AudioFrameworkRenderLog: getBufferSize: ERROR: ${err}`);
 });
 ```
 
@@ -5461,8 +5574,9 @@ getAudioTime(callback: AsyncCallback\<number>): void
 
 **示例：**
 
-```js
-audioRenderer.getAudioTime((err, timestamp) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioRenderer.getAudioTime((err: BusinessError, timestamp: number) => {
   console.info(`Current timestamp: ${timestamp}`);
 });
 ```
@@ -5483,10 +5597,11 @@ getAudioTime(): Promise\<number>
 
 **示例：**
 
-```js
-audioRenderer.getAudioTime().then((timestamp) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioRenderer.getAudioTime().then((timestamp: number) => {
   console.info(`Current timestamp: ${timestamp}`);
-}).catch((err) => {
+}).catch((err: BusinessError) => {
   console.error(`ERROR: ${err}`);
 });
 ```
@@ -5507,10 +5622,15 @@ getBufferSize(callback: AsyncCallback\<number>): void
 
 **示例：**
 
-```js
-let bufferSize = audioRenderer.getBufferSize(async(err, bufferSize) => {
+```ts
+import { BusinessError } from '@ohos.base';
+let bufferSize: number;
+audioRenderer.getBufferSize((err: BusinessError, data: number) => {
   if (err) {
     console.error('getBufferSize error');
+  } else {
+    console.info(`AudioFrameworkRenderLog: getBufferSize: SUCCESS ${data}`);
+    bufferSize = data;
   }
 });
 ```
@@ -5531,12 +5651,13 @@ getBufferSize(): Promise\<number>
 
 **示例：**
 
-```js
-let bufferSize;
-audioRenderer.getBufferSize().then((data) => {
+```ts
+import { BusinessError } from '@ohos.base';
+let bufferSize: number;
+audioRenderer.getBufferSize().then((data: number) => {
   console.info(`AudioFrameworkRenderLog: getBufferSize: SUCCESS ${data}`);
   bufferSize = data;
-}).catch((err) => {
+}).catch((err: BusinessError) => {
   console.error(`AudioFrameworkRenderLog: getBufferSize: ERROR: ${err}`);
 });
 ```
@@ -5558,8 +5679,9 @@ setRenderRate(rate: AudioRendererRate, callback: AsyncCallback\<void>): void
 
 **示例：**
 
-```js
-audioRenderer.setRenderRate(audio.AudioRendererRate.RENDER_RATE_NORMAL, (err) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioRenderer.setRenderRate(audio.AudioRendererRate.RENDER_RATE_NORMAL, (err: BusinessError) => {
   if (err) {
     console.error('Failed to set params');
   } else {
@@ -5590,10 +5712,11 @@ setRenderRate(rate: AudioRendererRate): Promise\<void>
 
 **示例：**
 
-```js
+```ts
+import { BusinessError } from '@ohos.base';
 audioRenderer.setRenderRate(audio.AudioRendererRate.RENDER_RATE_NORMAL).then(() => {
   console.info('setRenderRate SUCCESS');
-}).catch((err) => {
+}).catch((err: BusinessError) => {
   console.error(`ERROR: ${err}`);
 });
 ```
@@ -5614,8 +5737,9 @@ getRenderRate(callback: AsyncCallback\<AudioRendererRate>): void
 
 **示例：**
 
-```js
-audioRenderer.getRenderRate((err, renderrate) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioRenderer.getRenderRate((err: BusinessError, renderrate: audio.AudioRendererRate) => {
   console.info(`getRenderRate: ${renderrate}`);
 });
 ```
@@ -5636,10 +5760,11 @@ getRenderRate(): Promise\<AudioRendererRate>
 
 **示例：**
 
-```js
-audioRenderer.getRenderRate().then((renderRate) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioRenderer.getRenderRate().then((renderRate: audio.AudioRendererRate) => {
   console.info(`getRenderRate: ${renderRate}`);
-}).catch((err) => {
+}).catch((err: BusinessError) => {
   console.error(`ERROR: ${err}`);
 });
 ```
@@ -5665,11 +5790,12 @@ setInterruptMode(mode: InterruptMode): Promise&lt;void&gt;
 
 **示例：**
 
-```js
+```ts
+import { BusinessError } from '@ohos.base';
 let mode = 0;
-audioRenderer.setInterruptMode(mode).then(data=>{
+audioRenderer.setInterruptMode(mode).then(() => {
   console.info('setInterruptMode Success!');
-}).catch((err) => {
+}).catch((err: BusinessError) => {
   console.error(`setInterruptMode Fail: ${err}`);
 });
 ```
@@ -5690,9 +5816,10 @@ setInterruptMode(mode: InterruptMode, callback: AsyncCallback\<void>): void
 
 **示例：**
 
-```js
+```ts
+import { BusinessError } from '@ohos.base';
 let mode = 1;
-audioRenderer.setInterruptMode(mode, (err, data)=>{
+audioRenderer.setInterruptMode(mode, (err: BusinessError) => {
   if(err){
     console.error(`setInterruptMode Fail: ${err}`);
   }
@@ -5722,10 +5849,11 @@ setVolume(volume: number): Promise&lt;void&gt;
 
 **示例：**
 
-```js
-audioRenderer.setVolume(0.5).then(data=>{
+```ts
+import { BusinessError } from '@ohos.base';
+audioRenderer.setVolume(0.5).then(() => {
   console.info('setVolume Success!');
-}).catch((err) => {
+}).catch((err: BusinessError) => {
   console.error(`setVolume Fail: ${err}`);
 });
 ```
@@ -5746,8 +5874,9 @@ setVolume(volume: number, callback: AsyncCallback\<void>): void
 
 **示例：**
 
-```js
-audioRenderer.setVolume(0.5, (err, data)=>{
+```ts
+import { BusinessError } from '@ohos.base';
+audioRenderer.setVolume(0.5, (err: BusinessError) => {
   if(err){
     console.error(`setVolume Fail: ${err}`);
   }
@@ -5771,8 +5900,9 @@ getMinStreamVolume(callback: AsyncCallback&lt;number&gt;): void
 
 **示例：**
 
-```js
-audioRenderer.getMinStreamVolume((err, minVolume) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioRenderer.getMinStreamVolume((err: BusinessError, minVolume: number) => {
   if (err) {
     console.error(`getMinStreamVolume error: ${err}`);
   } else {
@@ -5796,10 +5926,11 @@ getMinStreamVolume(): Promise&lt;number&gt;
 
 **示例：**
 
-```js
-audioRenderer.getMinStreamVolume().then((value) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioRenderer.getMinStreamVolume().then((value: number) => {
   console.info(`Get min stream volume Success! ${value}`);
-}).catch((err) => {
+}).catch((err: BusinessError) => {
   console.error(`Get min stream volume Fail: ${err}`);
 });
 ```
@@ -5820,8 +5951,9 @@ getMaxStreamVolume(callback: AsyncCallback&lt;number&gt;): void
 
 **示例：**
 
-```js
-audioRenderer.getMaxStreamVolume((err, maxVolume) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioRenderer.getMaxStreamVolume((err: BusinessError, maxVolume: number) => {
   if (err) {
     console.error(`getMaxStreamVolume Fail: ${err}`);
   } else {
@@ -5845,10 +5977,11 @@ getMaxStreamVolume(): Promise&lt;number&gt;
 
 **示例：**
 
-```js
-audioRenderer.getMaxStreamVolume().then((value) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioRenderer.getMaxStreamVolume().then((value: number) => {
   console.info(`Get max stream volume Success! ${value}`);
-}).catch((err) => {
+}).catch((err: BusinessError) => {
   console.error(`Get max stream volume Fail: ${err}`);
 });
 ```
@@ -5869,8 +6002,9 @@ getUnderflowCount(callback: AsyncCallback&lt;number&gt;): void
 
 **示例：**
 
-```js
-audioRenderer.getUnderflowCount((err, underflowCount) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioRenderer.getUnderflowCount((err: BusinessError, underflowCount: number) => {
   if (err) {
     console.error(`getUnderflowCount Fail: ${err}`);
   } else {
@@ -5894,10 +6028,11 @@ getUnderflowCount(): Promise&lt;number&gt;
 
 **示例：**
 
-```js
-audioRenderer.getUnderflowCount().then((value) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioRenderer.getUnderflowCount().then((value: number) => {
   console.info(`Get underflow count Success! ${value}`);
-}).catch((err) => {
+}).catch((err: BusinessError) => {
   console.error(`Get underflow count Fail: ${err}`);
 });
 ```
@@ -5918,8 +6053,9 @@ getCurrentOutputDevices(callback: AsyncCallback&lt;AudioDeviceDescriptors&gt;):
 
 **示例：**
 
-```js
-audioRenderer.getCurrentOutputDevices((err, deviceInfo) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioRenderer.getCurrentOutputDevices((err: BusinessError, deviceInfo: audio.AudioDeviceDescriptors) => {
   if (err) {
     console.error(`getCurrentOutputDevices Fail: ${err}`);
   } else {
@@ -5950,8 +6086,9 @@ getCurrentOutputDevices(): Promise&lt;AudioDeviceDescriptors&gt;
 
 **示例：**
 
-```js
-audioRenderer.getCurrentOutputDevices().then((deviceInfo) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioRenderer.getCurrentOutputDevices().then((deviceInfo: audio.AudioDeviceDescriptors) => {
   console.info(`DeviceInfo id: ${deviceInfo[0].id}`);
   console.info(`DeviceInfo type: ${deviceInfo[0].deviceType}`);
   console.info(`DeviceInfo role: ${deviceInfo[0].deviceRole}`);
@@ -5960,7 +6097,7 @@ audioRenderer.getCurrentOutputDevices().then((deviceInfo) => {
   console.info(`DeviceInfo samplerates: ${deviceInfo[0].sampleRates[0]}`);
   console.info(`DeviceInfo channelcounts: ${deviceInfo[0].channelCounts[0]}`);
   console.info(`DeviceInfo channelmask: ${deviceInfo[0].channelMasks}`);
-}).catch((err) => {
+}).catch((err: BusinessError) => {
   console.error(`Get current output devices Fail: ${err}`);
 });
 ```
@@ -5992,13 +6129,15 @@ on(type: 'audioInterrupt', callback: Callback\<InterruptEvent>): void
 
 **示例：**
 
-```js
-let isPlaying; // 标识符，表示是否正在渲染
-let isDucked; // 标识符，表示是否被降低音量
+```ts
+import audio from '@ohos.multimedia.audio';
+
+let isPlaying: boolean; // 标识符，表示是否正在渲染
+let isDucked: boolean; // 标识符，表示是否被降低音量
 onAudioInterrupt();
 
 async function onAudioInterrupt(){
-  audioRenderer.on('audioInterrupt', async(interruptEvent) => {
+  audioRenderer.on('audioInterrupt', (interruptEvent: audio.InterruptEvent) => {
     if (interruptEvent.forceType == audio.InterruptForceType.INTERRUPT_FORCE) {
       // 由系统进行操作，强制打断音频渲染，应用需更新自身状态及显示内容等
       switch (interruptEvent.hintType) {
@@ -6057,7 +6196,7 @@ async function onAudioInterrupt(){
         default:
           break;
       }
-   }
+    }
   });
 }
 ```
@@ -6080,8 +6219,8 @@ on(type: 'markReach', frame: number, callback: Callback&lt;number&gt;): void
 
 **示例：**
 
-```js
-audioRenderer.on('markReach', 1000, (position) => {
+```ts
+audioRenderer.on('markReach', 1000, (position: number) => {
   if (position == 1000) {
     console.info('ON Triggered successfully');
   }
@@ -6105,7 +6244,7 @@ off(type: 'markReach'): void
 
 **示例：**
 
-```js
+```ts
 audioRenderer.off('markReach');
 ```
 
@@ -6127,8 +6266,8 @@ on(type: 'periodReach', frame: number, callback: Callback&lt;number&gt;): void
 
 **示例：**
 
-```js
-audioRenderer.on('periodReach', 1000, (position) => {
+```ts
+audioRenderer.on('periodReach', 1000, (position: number) => {
   if (position == 1000) {
     console.info('ON Triggered successfully');
   }
@@ -6151,7 +6290,7 @@ off(type: 'periodReach'): void
 
 **示例：**
 
-```js
+```ts
 audioRenderer.off('periodReach')
 ```
 
@@ -6172,8 +6311,8 @@ on(type: 'stateChange', callback: Callback<AudioState\>): void
 
 **示例：**
 
-```js
-audioRenderer.on('stateChange', (state) => {
+```ts
+audioRenderer.on('stateChange', (state: audio.AudioState) => {
   if (state == 1) {
     console.info('audio renderer state is: STATE_PREPARED');
   }
@@ -6206,11 +6345,11 @@ on(type: 'outputDeviceChange', callback: Callback\<AudioDeviceDescriptors>): voi
 
 **示例：**
 
-```js
-audioRenderer.on('outputDeviceChange', (deviceInfo) => {
-    console.info(`DeviceInfo id: ${deviceInfo[0].id}`);
-    console.info(`DeviceInfo name: ${deviceInfo[0].name}`);
-    console.info(`DeviceInfo address: ${deviceInfo[0].address}`);
+```ts
+audioRenderer.on('outputDeviceChange', (deviceInfo: audio.AudioDeviceDescriptors) => {
+  console.info(`DeviceInfo id: ${deviceInfo[0].id}`);
+  console.info(`DeviceInfo name: ${deviceInfo[0].name}`);
+  console.info(`DeviceInfo address: ${deviceInfo[0].address}`);
 });
 ```
 ### off('outputDeviceChange') <sup>10+</sup>
@@ -6236,11 +6375,11 @@ off(type: 'outputDeviceChange', callback?: Callback\<AudioDeviceDescriptors>): v
 
 **示例：**
 
-```js
-audioRenderer.off('outputDeviceChange', (deviceInfo) => {
-    console.info(`DeviceInfo id: ${deviceInfo[0].id}`);
-    console.info(`DeviceInfo name: ${deviceInfo[0].name}`);
-    console.info(`DeviceInfo address: ${deviceInfo[0].address}`);
+```ts
+audioRenderer.off('outputDeviceChange', (deviceInfo: audio.AudioDeviceDescriptors) => {
+  console.info(`DeviceInfo id: ${deviceInfo[0].id}`);
+  console.info(`DeviceInfo name: ${deviceInfo[0].name}`);
+  console.info(`DeviceInfo address: ${deviceInfo[0].address}`);
 });
 ```
 
@@ -6258,8 +6397,8 @@ audioRenderer.off('outputDeviceChange', (deviceInfo) => {
 
 **示例：**
 
-```js
-let state = audioCapturer.state;
+```ts
+let state: audio.AudioState = audioCapturer.state;
 ```
 
 ### getCapturerInfo<sup>8+</sup>
@@ -6278,8 +6417,9 @@ getCapturerInfo(callback: AsyncCallback<AudioCapturerInfo\>): void
 
 **示例：**
 
-```js
-audioCapturer.getCapturerInfo((err, capturerInfo) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioCapturer.getCapturerInfo((err: BusinessError, capturerInfo: audio.AudioCapturerInfo) => {
   if (err) {
     console.error('Failed to get capture info');
   } else {
@@ -6307,8 +6447,9 @@ getCapturerInfo(): Promise<AudioCapturerInfo\>
 
 **示例：**
 
-```js
-audioCapturer.getCapturerInfo().then((audioParamsGet) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioCapturer.getCapturerInfo().then((audioParamsGet: audio.AudioCapturerInfo) => {
   if (audioParamsGet != undefined) {
     console.info('AudioFrameworkRecLog: Capturer CapturerInfo:');
     console.info(`AudioFrameworkRecLog: Capturer SourceType: ${audioParamsGet.source}`);
@@ -6317,9 +6458,9 @@ audioCapturer.getCapturerInfo().then((audioParamsGet) => {
     console.info(`AudioFrameworkRecLog: audioParamsGet is : ${audioParamsGet}`);
     console.info('AudioFrameworkRecLog: audioParams getCapturerInfo are incorrect');
   }
-}).catch((err) => {
+}).catch((err: BusinessError) => {
   console.error(`AudioFrameworkRecLog: CapturerInfo :ERROR: ${err}`);
-});
+})
 ```
 
 ### getStreamInfo<sup>8+</sup>
@@ -6338,8 +6479,9 @@ getStreamInfo(callback: AsyncCallback<AudioStreamInfo\>): void
 
 **示例：**
 
-```js
-audioCapturer.getStreamInfo((err, streamInfo) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioCapturer.getStreamInfo((err: BusinessError, streamInfo: audio.AudioStreamInfo) => {
   if (err) {
     console.error('Failed to get stream info');
   } else {
@@ -6368,14 +6510,15 @@ getStreamInfo(): Promise<AudioStreamInfo\>
 
 **示例：**
 
-```js
-audioCapturer.getStreamInfo().then((audioParamsGet) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioCapturer.getStreamInfo().then((audioParamsGet: audio.AudioStreamInfo) => {
   console.info('getStreamInfo:');
   console.info(`sampleFormat: ${audioParamsGet.sampleFormat}`);
   console.info(`samplingRate: ${audioParamsGet.samplingRate}`);
   console.info(`channels: ${audioParamsGet.channels}`);
   console.info(`encodingType: ${audioParamsGet.encodingType}`);
-}).catch((err) => {
+}).catch((err: BusinessError) => {
   console.error(`getStreamInfo :ERROR: ${err}`);
 });
 ```
@@ -6396,8 +6539,9 @@ getAudioStreamId(callback: AsyncCallback<number\>): void
 
 **示例：**
 
-```js
-audioCapturer.getAudioStreamId((err, streamid) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioCapturer.getAudioStreamId((err: BusinessError, streamid: number) => {
   console.info(`audioCapturer GetStreamId: ${streamid}`);
 });
 ```
@@ -6418,10 +6562,11 @@ getAudioStreamId(): Promise<number\>
 
 **示例：**
 
-```js
-audioCapturer.getAudioStreamId().then((streamid) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioCapturer.getAudioStreamId().then((streamid: number) => {
   console.info(`audioCapturer getAudioStreamId: ${streamid}`);
-}).catch((err) => {
+}).catch((err: BusinessError) => {
   console.error(`ERROR: ${err}`);
 });
 ```
@@ -6442,8 +6587,9 @@ start(callback: AsyncCallback<void\>): void
 
 **示例：**
 
-```js
-audioCapturer.start((err) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioCapturer.start((err: BusinessError) => {
   if (err) {
     console.error('Capturer start failed.');
   } else {
@@ -6469,7 +6615,8 @@ start(): Promise<void\>
 
 **示例：**
 
-```js
+```ts
+import { BusinessError } from '@ohos.base';
 audioCapturer.start().then(() => {
   console.info('AudioFrameworkRecLog: ---------START---------');
   console.info('AudioFrameworkRecLog: Capturer started: SUCCESS');
@@ -6478,7 +6625,7 @@ audioCapturer.start().then(() => {
   if ((audioCapturer.state == audio.AudioState.STATE_RUNNING)) {
     console.info('AudioFrameworkRecLog: AudioCapturer is in Running State');
   }
-}).catch((err) => {
+}).catch((err: BusinessError) => {
   console.info(`AudioFrameworkRecLog: Capturer start :ERROR : ${err}`);
 });
 ```
@@ -6499,8 +6646,9 @@ stop(callback: AsyncCallback<void\>): void
 
 **示例：**
 
-```js
-audioCapturer.stop((err) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioCapturer.stop((err: BusinessError) => {
   if (err) {
     console.error('Capturer stop failed');
   } else {
@@ -6526,14 +6674,15 @@ stop(): Promise<void\>
 
 **示例：**
 
-```js
+```ts
+import { BusinessError } from '@ohos.base';
 audioCapturer.stop().then(() => {
   console.info('AudioFrameworkRecLog: ---------STOP RECORD---------');
   console.info('AudioFrameworkRecLog: Capturer stopped: SUCCESS');
   if ((audioCapturer.state == audio.AudioState.STATE_STOPPED)){
     console.info('AudioFrameworkRecLog: State is Stopped:');
   }
-}).catch((err) => {
+}).catch((err: BusinessError) => {
   console.info(`AudioFrameworkRecLog: Capturer stop: ERROR: ${err}`);
 });
 ```
@@ -6554,8 +6703,9 @@ release(callback: AsyncCallback<void\>): void
 
 **示例：**
 
-```js
-audioCapturer.release((err) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioCapturer.release((err: BusinessError) => {
   if (err) {
     console.error('capturer release failed');
   } else {
@@ -6581,14 +6731,13 @@ release(): Promise<void\>
 
 **示例：**
 
-```js
-let stateFlag;
+```ts
+import { BusinessError } from '@ohos.base';
 audioCapturer.release().then(() => {
   console.info('AudioFrameworkRecLog: ---------RELEASE RECORD---------');
   console.info('AudioFrameworkRecLog: Capturer release : SUCCESS');
   console.info(`AudioFrameworkRecLog: AudioCapturer : STATE : ${audioCapturer.state}`);
-  console.info(`AudioFrameworkRecLog: stateFlag : ${stateFlag}`);
-}).catch((err) => {
+}).catch((err: BusinessError) => {
   console.info(`AudioFrameworkRecLog: Capturer stop: ERROR: ${err}`);
 });
 ```
@@ -6611,15 +6760,16 @@ read(size: number, isBlockingRead: boolean, callback: AsyncCallback<ArrayBuffer\
 
 **示例：**
 
-```js
-let bufferSize;
-audioCapturer.getBufferSize().then((data) => {
+```ts
+import { BusinessError } from '@ohos.base';
+let bufferSize: number;
+audioCapturer.getBufferSize().then((data: number) => {
   console.info(`AudioFrameworkRecLog: getBufferSize: SUCCESS ${data}`);
   bufferSize = data;
-  }).catch((err) => {
-    console.error(`AudioFrameworkRecLog: getBufferSize: ERROR: ${err}`);
-  });
-audioCapturer.read(bufferSize, true, async(err, buffer) => {
+}).catch((err: BusinessError) => {
+  console.error(`AudioFrameworkRecLog: getBufferSize: ERROR: ${err}`);
+});
+audioCapturer.read(bufferSize, true, (err: BusinessError, buffer: number) => {
   if (!err) {
     console.info('Success in reading the buffer data');
   }
@@ -6649,18 +6799,19 @@ read(size: number, isBlockingRead: boolean): Promise<ArrayBuffer\>
 
 **示例：**
 
-```js
-let bufferSize;
-audioCapturer.getBufferSize().then((data) => {
+```ts
+import { BusinessError } from '@ohos.base';
+let bufferSize: number;
+audioCapturer.getBufferSize().then((data: number) => {
   console.info(`AudioFrameworkRecLog: getBufferSize: SUCCESS ${data}`);
   bufferSize = data;
-  }).catch((err) => {
+}).catch((err: BusinessError) => {
   console.info(`AudioFrameworkRecLog: getBufferSize: ERROR ${err}`);
-  });
+});
 console.info(`Buffer size: ${bufferSize}`);
-audioCapturer.read(bufferSize, true).then((buffer) => {
+audioCapturer.read(bufferSize, true).then((buffer: number) => {
   console.info('buffer read successfully');
-}).catch((err) => {
+}).catch((err: BusinessError) => {
   console.info(`ERROR : ${err}`);
 });
 ```
@@ -6681,8 +6832,9 @@ getAudioTime(callback: AsyncCallback<number\>): void
 
 **示例：**
 
-```js
-audioCapturer.getAudioTime((err, timestamp) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioCapturer.getAudioTime((err: BusinessError, timestamp: number) => {
   console.info(`Current timestamp: ${timestamp}`);
 });
 ```
@@ -6703,10 +6855,11 @@ getAudioTime(): Promise<number\>
 
 **示例：**
 
-```js
-audioCapturer.getAudioTime().then((audioTime) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioCapturer.getAudioTime().then((audioTime: number) => {
   console.info(`AudioFrameworkRecLog: AudioCapturer getAudioTime : Success ${audioTime}`);
-}).catch((err) => {
+}).catch((err: BusinessError) => {
   console.info(`AudioFrameworkRecLog: AudioCapturer Created : ERROR : ${err}`);
 });
 ```
@@ -6727,13 +6880,14 @@ getBufferSize(callback: AsyncCallback<number\>): void
 
 **示例：**
 
-```js
-audioCapturer.getBufferSize((err, bufferSize) => {
+```ts
+import { BusinessError } from '@ohos.base';
+audioCapturer.getBufferSize((err: BusinessError, bufferSize: number) => {
   if (!err) {
     console.info(`BufferSize : ${bufferSize}`);
-    audioCapturer.read(bufferSize, true).then((buffer) => {
+    audioCapturer.read(bufferSize, true).then((buffer: number) => {
       console.info(`Buffer read is ${buffer}`);
-    }).catch((err) => {
+    }).catch((err: BusinessError) => {
       console.error(`AudioFrameworkRecLog: AudioCapturer Created : ERROR : ${err}`);
     });
   }
@@ -6756,12 +6910,13 @@ getBufferSize(): Promise<number\>
 
 **示例：**
 
-```js
-let bufferSize;
-audioCapturer.getBufferSize().then((data) => {
+```ts
+import { BusinessError } from '@ohos.base';
+let bufferSize: number;
+audioCapturer.getBufferSize().then((data: number) => {
   console.info(`AudioFrameworkRecLog: getBufferSize :SUCCESS ${data}`);
   bufferSize = data;
-}).catch((err) => {
+}).catch((err: BusinessError) => {
   console.info(`AudioFrameworkRecLog: getBufferSize :ERROR : ${err}`);
 });
 ```
@@ -6793,12 +6948,13 @@ on(type: 'audioInterrupt', callback: Callback\<InterruptEvent>): void
 
 **示例：**
 
-```js
-let isCapturing; // 标识符，表示是否正在采集
+```ts
+import audio from '@ohos.multimedia.audio';
+let isCapturing: boolean; // 标识符，表示是否正在采集
 onAudioInterrupt();
 
 async function onAudioInterrupt(){
-  audioCapturer.on('audioInterrupt', async(interruptEvent) => {
+  audioCapturer.on('audioInterrupt', (interruptEvent: audio.InterruptEvent) => {
     if (interruptEvent.forceType == audio.InterruptForceType.INTERRUPT_FORCE) {
       // 由系统进行操作，强制打断音频采集，应用需更新自身状态及显示内容等
       switch (interruptEvent.hintType) {
@@ -6837,7 +6993,7 @@ async function onAudioInterrupt(){
         default:
           break;
       }
-   }
+    }
   });
 }
 ```
@@ -6866,7 +7022,7 @@ off(type: 'audioInterrupt'): void
 
 **示例：**
 
-```js
+```ts
 audioCapturer.off('audioInterrupt');
 ```
 
@@ -6889,8 +7045,8 @@ on(type: 'markReach', frame: number, callback: Callback&lt;number&gt;): void
 
 **示例：**
 
-```js
-audioCapturer.on('markReach', 1000, (position) => {
+```ts
+audioCapturer.on('markReach', 1000, (position: number) => {
   if (position == 1000) {
     console.info('ON Triggered successfully');
   }
@@ -6913,7 +7069,7 @@ off(type: 'markReach'): void
 
 **示例：**
 
-```js
+```ts
 audioCapturer.off('markReach');
 ```
 
@@ -6935,8 +7091,8 @@ on(type: 'periodReach', frame: number, callback: Callback&lt;number&gt;): void
 
 **示例：**
 
-```js
-audioCapturer.on('periodReach', 1000, (position) => {
+```ts
+audioCapturer.on('periodReach', 1000, (position: number) => {
   if (position == 1000) {
     console.info('ON Triggered successfully');
   }
@@ -6959,7 +7115,7 @@ off(type: 'periodReach'): void
 
 **示例：**
 
-```js
+```ts
 audioCapturer.off('periodReach')
 ```
 
@@ -6980,8 +7136,8 @@ on(type: 'stateChange', callback: Callback<AudioState\>): void
 
 **示例：**
 
-```js
-audioCapturer.on('stateChange', (state) => {
+```ts
+audioCapturer.on('stateChange', (state: audio.AudioState) => {
   if (state == 1) {
     console.info('audio capturer state is: STATE_PREPARED');
   }
@@ -7054,8 +7210,9 @@ load(type: ToneType, callback: AsyncCallback&lt;void&gt;): void
 
 **示例：**
 
-```js
-tonePlayer.load(audio.ToneType.TONE_TYPE_DIAL_5, (err) => {
+```ts
+import { BusinessError } from '@ohos.base';
+tonePlayer.load(audio.ToneType.TONE_TYPE_DIAL_5, (err: BusinessError) => {
   if (err) {
     console.error(`callback call load failed error: ${err.message}`);
     return;
@@ -7089,7 +7246,7 @@ load(type: ToneType): Promise&lt;void&gt;
 
 **示例：**
 
-```js
+```ts
 tonePlayer.load(audio.ToneType.TONE_TYPE_DIAL_1).then(() => {
   console.info('promise call load ');
 }).catch(() => {
@@ -7115,8 +7272,9 @@ start(callback: AsyncCallback&lt;void&gt;): void
 
 **示例：**
 
-```js
-tonePlayer.start((err) => {
+```ts
+import { BusinessError } from '@ohos.base';
+tonePlayer.start((err: BusinessError) => {
   if (err) {
     console.error(`callback call start failed error: ${err.message}`);
     return;
@@ -7144,7 +7302,7 @@ start(): Promise&lt;void&gt;
 
 **示例：**
 
-```js
+```ts
 tonePlayer.start().then(() => {
   console.info('promise call start');
 }).catch(() => {
@@ -7170,8 +7328,9 @@ stop(callback: AsyncCallback&lt;void&gt;): void
 
 **示例：**
 
-```js
-tonePlayer.stop((err) => {
+```ts
+import { BusinessError } from '@ohos.base';
+tonePlayer.stop((err: BusinessError) => {
   if (err) {
     console.error(`callback call stop error: ${err.message}`);
     return;
@@ -7199,7 +7358,7 @@ stop(): Promise&lt;void&gt;
 
 **示例：**
 
-```js
+```ts
 tonePlayer.stop().then(() => {
   console.info('promise call stop finish');
 }).catch(() => {
@@ -7225,8 +7384,9 @@ release(callback: AsyncCallback&lt;void&gt;): void
 
 **示例：**
 
-```js
-tonePlayer.release((err) => {
+```ts
+import { BusinessError } from '@ohos.base';
+tonePlayer.release((err: BusinessError) => {
   if (err) {
     console.error(`callback call release failed error: ${err.message}`);
     return;
@@ -7254,7 +7414,7 @@ release(): Promise&lt;void&gt;
 
 **示例：**
 
-```js
+```ts
 tonePlayer.release().then(() => {
   console.info('promise call release');
 }).catch(() => {
diff --git a/zh-cn/application-dev/reference/apis/js-apis-avsession.md b/zh-cn/application-dev/reference/apis/js-apis-avsession.md
index 6ef5769506965f53e49bbb386908a7ed0198c324..c543ba2923381864233c04408842248f53208050 100755
--- a/zh-cn/application-dev/reference/apis/js-apis-avsession.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-avsession.md
@@ -14,7 +14,7 @@
 
 ## 导入模块
 
-```js
+```ts
 import avSession from '@ohos.multimedia.avsession';
 ```
 
@@ -50,20 +50,20 @@ createAVSession(context: Context, tag: string, type: AVSessionType): Promise\<AV
 
 **示例：**
 
-```js
-import featureAbility from '@ohos.ability.featureAbility';
+```ts
+import { BusinessError } from '@ohos.base';
 
-let currentAVSession;
+let currentAVSession: avSession.AVSession;
 let tag = "createNewSession";
-let context = featureAbility.getContext();
-let sessionId;  //供后续函数入参使用
+let context: Context = this.context;
+let sessionId: string;  //供后续函数入参使用
 
-avSession.createAVSession(context, tag, "audio").then((data) => {
-    currentAVSession = data;
-    sessionId = currentAVSession.sessionId;
-    console.info(`CreateAVSession : SUCCESS : sessionId = ${sessionId}`);
-}).catch((err) => {
-    console.info(`CreateAVSession BusinessError: code: ${err.code}, message: ${err.message}`);
+avSession.createAVSession(context, tag, "audio").then((data: avSession.AVSession) => {
+  currentAVSession = data;
+  sessionId = currentAVSession.sessionId;
+  console.info(`CreateAVSession : SUCCESS : sessionId = ${sessionId}`);
+}).catch((err: BusinessError) => {
+  console.info(`CreateAVSession BusinessError: code: ${err.code}, message: ${err.message}`);
 });
 ```
 
@@ -94,22 +94,22 @@ createAVSession(context: Context, tag: string, type: AVSessionType, callback: As
 
 **示例：**
 
-```js
-import featureAbility from '@ohos.ability.featureAbility';
+```ts
+import { BusinessError } from '@ohos.base';
 
-let currentAVSession;
+let currentAVSession: avSession.AVSession;
 let tag = "createNewSession";
-let context = featureAbility.getContext();
-let sessionId;  //供后续函数入参使用
+let context: Context = this.context;
+let sessionId: string;  //供后续函数入参使用
 
-avSession.createAVSession(context, tag, "audio", function (err, data) {
-    if (err) {
-        console.info(`CreateAVSession BusinessError: code: ${err.code}, message: ${err.message}`);
-    } else {
-        currentAVSession = data;
-        sessionId = currentAVSession.sessionId;
-        console.info(`CreateAVSession : SUCCESS : sessionId = ${sessionId}`);
-    }
+avSession.createAVSession(context, tag, "audio", (err: BusinessError, data: avSession.AVSession) => {
+  if (err) {
+    console.info(`CreateAVSession BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    currentAVSession = data;
+    sessionId = currentAVSession.sessionId;
+    console.info(`CreateAVSession : SUCCESS : sessionId = ${sessionId}`);
+  }
 });
 ```
 
@@ -140,16 +140,18 @@ getAllSessionDescriptors(): Promise\<Array\<Readonly\<AVSessionDescriptor>>>
 
 **示例：**
 
-```js
-avSession.getAllSessionDescriptors().then((descriptors) => {
-    console.info(`getAllSessionDescriptors : SUCCESS : descriptors.length : ${descriptors.length}`);
-    if(descriptors.length > 0 ){
-        console.info(`getAllSessionDescriptors : SUCCESS : descriptors[0].isActive : ${descriptors[0].isActive}`);
-        console.info(`GetAllSessionDescriptors : SUCCESS : descriptors[0].type : ${descriptors[0].type}`);
-        console.info(`GetAllSessionDescriptors : SUCCESS : descriptors[0].sessionTag : ${descriptors[0].sessionTag}`);
-    }
-}).catch((err) => {
-    console.error(`GetAllSessionDescriptors BusinessError: code: ${err.code}, message: ${err.message}`);
+```ts
+import { BusinessError } from '@ohos.base';
+
+avSession.getAllSessionDescriptors().then((descriptors: avSession.AVSessionDescriptor) => {
+  console.info(`getAllSessionDescriptors : SUCCESS : descriptors.length : ${descriptors.length}`);
+  if(descriptors.length > 0 ){
+    console.info(`getAllSessionDescriptors : SUCCESS : descriptors[0].isActive : ${descriptors[0].isActive}`);
+    console.info(`GetAllSessionDescriptors : SUCCESS : descriptors[0].type : ${descriptors[0].type}`);
+    console.info(`GetAllSessionDescriptors : SUCCESS : descriptors[0].sessionTag : ${descriptors[0].sessionTag}`);
+  }
+}).catch((err: BusinessError) => {
+  console.error(`GetAllSessionDescriptors BusinessError: code: ${err.code}, message: ${err.message}`);
 });
 ```
 
@@ -181,18 +183,20 @@ getAllSessionDescriptors(callback: AsyncCallback\<Array\<Readonly\<AVSessionDesc
 
 **示例：**
 
-```js
-avSession.getAllSessionDescriptors(function (err, descriptors) {
-    if (err) {
-        console.error(`GetAllSessionDescriptors BusinessError: code: ${err.code}, message: ${err.message}`);
-    } else {
-        console.info(`GetAllSessionDescriptors : SUCCESS : descriptors.length : ${descriptors.length}`);
-        if(descriptors.length > 0 ){
-            console.info(`getAllSessionDescriptors : SUCCESS : descriptors[0].isActive : ${descriptors[0].isActive}`);
-            console.info(`getAllSessionDescriptors : SUCCESS : descriptors[0].type : ${descriptors[0].type}`);
-            console.info(`getAllSessionDescriptors : SUCCESS : descriptors[0].sessionTag : ${descriptors[0].sessionTag}`);
-        }
+```ts
+import { BusinessError } from '@ohos.base';
+
+avSession.getAllSessionDescriptors((err: BusinessError, descriptors: avSession.AVSessionDescriptor) => {
+  if (err) {
+    console.error(`GetAllSessionDescriptors BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    console.info(`GetAllSessionDescriptors : SUCCESS : descriptors.length : ${descriptors.length}`);
+    if(descriptors.length > 0 ){
+        console.info(`getAllSessionDescriptors : SUCCESS : descriptors[0].isActive : ${descriptors[0].isActive}`);
+        console.info(`getAllSessionDescriptors : SUCCESS : descriptors[0].type : ${descriptors[0].type}`);
+        console.info(`getAllSessionDescriptors : SUCCESS : descriptors[0].sessionTag : ${descriptors[0].sessionTag}`);
     }
+  }
 });
 ```
 
@@ -230,18 +234,20 @@ getHistoricalSessionDescriptors(maxSize?: number): Promise\<Array\<Readonly\<AVS
 
 **示例：**
 
-```js
-avSession.getHistoricalSessionDescriptors().then((descriptors) => {
-    console.info(`getHistoricalSessionDescriptors : SUCCESS : descriptors.length : ${descriptors.length}`);
-    if(descriptors.length > 0 ){
-        console.info(`getHistoricalSessionDescriptors : SUCCESS : descriptors[0].isActive : ${descriptors[0].isActive}`);
-        console.info(`getHistoricalSessionDescriptors : SUCCESS : descriptors[0].type : ${descriptors[0].type}`);
-        console.info(`getHistoricalSessionDescriptors : SUCCESS : descriptors[0].sessionTag : ${descriptors[0].sessionTag}`);
-        console.info(`getHistoricalSessionDescriptors : SUCCESS : descriptors[0].sessionId : ${descriptors[0].sessionId}`);
-        console.info(`getHistoricalSessionDescriptors : SUCCESS : descriptors[0].elementName.bundleName : ${descriptors[0].elementName.bundleName}`);
-    }
-}).catch((err) => {
-    console.error(`getHistoricalSessionDescriptors BusinessError: code: ${err.code}, message: ${err.message}`);
+```ts
+import { BusinessError } from '@ohos.base';
+
+avSession.getHistoricalSessionDescriptors().then((descriptors: avSession.AVSessionDescriptor) => {
+  console.info(`getHistoricalSessionDescriptors : SUCCESS : descriptors.length : ${descriptors.length}`);
+  if(descriptors.length > 0 ){
+    console.info(`getHistoricalSessionDescriptors : SUCCESS : descriptors[0].isActive : ${descriptors[0].isActive}`);
+    console.info(`getHistoricalSessionDescriptors : SUCCESS : descriptors[0].type : ${descriptors[0].type}`);
+    console.info(`getHistoricalSessionDescriptors : SUCCESS : descriptors[0].sessionTag : ${descriptors[0].sessionTag}`);
+    console.info(`getHistoricalSessionDescriptors : SUCCESS : descriptors[0].sessionId : ${descriptors[0].sessionId}`);
+    console.info(`getHistoricalSessionDescriptors : SUCCESS : descriptors[0].elementName.bundleName : ${descriptors[0].elementName.bundleName}`);
+  }
+}).catch((err: BusinessError) => {
+  console.error(`getHistoricalSessionDescriptors BusinessError: code: ${err.code}, message: ${err.message}`);
 });
 ```
 
@@ -274,20 +280,22 @@ getHistoricalSessionDescriptors(maxSize: number, callback: AsyncCallback\<Array\
 
 **示例：**
 
-```js
-avSession.getHistoricalSessionDescriptors(1, function (err, descriptors) {
-    if (err) {
-        console.error(`getHistoricalSessionDescriptors BusinessError: code: ${err.code}, message: ${err.message}`);
-    } else {
-        console.info(`getHistoricalSessionDescriptors : SUCCESS : descriptors.length : ${descriptors.length}`);
-        if(descriptors.length > 0 ){
-            console.info(`getHistoricalSessionDescriptors : SUCCESS : descriptors[0].isActive : ${descriptors[0].isActive}`);
-            console.info(`getHistoricalSessionDescriptors : SUCCESS : descriptors[0].type : ${descriptors[0].type}`);
-            console.info(`getHistoricalSessionDescriptors : SUCCESS : descriptors[0].sessionTag : ${descriptors[0].sessionTag}`);
-            console.info(`getHistoricalSessionDescriptors : SUCCESS : descriptors[0].sessionId : ${descriptors[0].sessionId}`);
-            console.info(`getHistoricalSessionDescriptors : SUCCESS : descriptors[0].elementName.bundleName : ${descriptors[0].elementName.bundleName}`);
-        }
+```ts
+import { BusinessError } from '@ohos.base';
+
+avSession.getHistoricalSessionDescriptors(1, (err: BusinessError, descriptors: avSession.AVSessionDescriptor) => {
+  if (err) {
+    console.error(`getHistoricalSessionDescriptors BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    console.info(`getHistoricalSessionDescriptors : SUCCESS : descriptors.length : ${descriptors.length}`);
+    if(descriptors.length > 0 ){
+        console.info(`getHistoricalSessionDescriptors : SUCCESS : descriptors[0].isActive : ${descriptors[0].isActive}`);
+        console.info(`getHistoricalSessionDescriptors : SUCCESS : descriptors[0].type : ${descriptors[0].type}`);
+        console.info(`getHistoricalSessionDescriptors : SUCCESS : descriptors[0].sessionTag : ${descriptors[0].sessionTag}`);
+        console.info(`getHistoricalSessionDescriptors : SUCCESS : descriptors[0].sessionId : ${descriptors[0].sessionId}`);
+        console.info(`getHistoricalSessionDescriptors : SUCCESS : descriptors[0].elementName.bundleName : ${descriptors[0].elementName.bundleName}`);
     }
+  }
 });
 ```
 
@@ -326,30 +334,30 @@ createController(sessionId: string): Promise\<AVSessionController>
 
 **示例：**
 
-```js
-import featureAbility from '@ohos.ability.featureAbility';
+```ts
+import { BusinessError } from '@ohos.base';
 
-let currentAVSession;
+let currentAVSession: avSession.AVSession;
 let tag = "createNewSession";
-let context = featureAbility.getContext();
-let sessionId;  //供后续函数入参使用
+let context: Context = this.context;
+let sessionId: string;  //供后续函数入参使用
 
-avSession.createAVSession(context, tag, "audio", function (err, data) {
-    if (err) {
-        console.info(`CreateAVSession BusinessError: code: ${err.code}, message: ${err.message}`);
-    } else {
-        currentAVSession = data;
-        sessionId = currentAVSession.sessionId;
-        console.info(`CreateAVSession : SUCCESS : sessionId = ${sessionId}`);
-    }
+avSession.createAVSession(context, tag, "audio", (err: BusinessError, data: avSession.AVSession) => {
+  if (err) {
+    console.info(`CreateAVSession BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    currentAVSession = data;
+    sessionId = currentAVSession.sessionId;
+    console.info(`CreateAVSession : SUCCESS : sessionId = ${sessionId}`);
+  }
 });
 
-let currentAVcontroller;
-avSession.createController(sessionId).then((avcontroller) => {
-    currentAVcontroller = avcontroller;
-    console.info('CreateController : SUCCESS ');
-}).catch((err) => {
-    console.error(`CreateController BusinessError: code: ${err.code}, message: ${err.message}`);
+let currentAVcontroller: avSession.AVSessionController;
+avSession.createController(sessionId).then((avcontroller: avSession.AVSessionController) => {
+  currentAVcontroller = avcontroller;
+  console.info('CreateController : SUCCESS ');
+}).catch((err: BusinessError) => {
+  console.error(`CreateController BusinessError: code: ${err.code}, message: ${err.message}`);
 });
 ```
 
@@ -382,32 +390,32 @@ createController(sessionId: string, callback: AsyncCallback\<AVSessionController
 
 **示例：**
 
-```js
-import featureAbility from '@ohos.ability.featureAbility';
+```ts
+import { BusinessError } from '@ohos.base';
 
-let currentAVSession;
+let currentAVSession: avSession.AVSession;
 let tag = "createNewSession";
-let context = featureAbility.getContext();
-let sessionId;  //供后续函数入参使用
+let context: Context = this.context;
+let sessionId: string;  //供后续函数入参使用
 
-avSession.createAVSession(context, tag, "audio", function (err, data) {
-    if (err) {
-        console.info(`CreateAVSession BusinessError: code: ${err.code}, message: ${err.message}`);
-    } else {
-        currentAVSession = data;
-        sessionId = currentAVSession.sessionId;
-        console.info(`CreateAVSession : SUCCESS : sessionId = ${sessionId}`);
-    }
+avSession.createAVSession(context, tag, "audio", (err: BusinessError, data: avSession.AVSession) => {
+  if (err) {
+    console.info(`CreateAVSession BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    currentAVSession = data;
+    sessionId = currentAVSession.sessionId;
+    console.info(`CreateAVSession : SUCCESS : sessionId = ${sessionId}`);
+  }
 });
 
-let currentAVcontroller;
-avSession.createController(sessionId, function (err, avcontroller) {
-    if (err) {
-        console.error(`CreateController BusinessError: code: ${err.code}, message: ${err.message}`);
-    } else {
-        currentAVcontroller = avcontroller;
-        console.info('CreateController : SUCCESS ');
-    }
+let currentAVcontroller: avSession.AVSessionController;
+avSession.createController(sessionId, (err: BusinessError, avcontroller: avSession.AVSessionController) => {
+  if (err) {
+    console.error(`CreateController BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    currentAVcontroller = avcontroller;
+    console.info('CreateController : SUCCESS ');
+  }
 });
 ```
 
@@ -449,23 +457,24 @@ castAudio(session: SessionToken | 'all', audioDevices: Array<audio.AudioDeviceDe
 
 **示例：**
 
-```js
+```ts
 import audio from '@ohos.multimedia.audio';
+import { BusinessError } from '@ohos.base';
 
 let audioManager = audio.getAudioManager();
 let audioRoutingManager = audioManager.getRoutingManager();
-let audioDevices;
-await audioRoutingManager.getDevices(audio.DeviceFlag.OUTPUT_DEVICES_FLAG).then((data) => {
-    audioDevices = data;
-    console.info(`Promise returned to indicate that the device list is obtained.`);
-}).catch((err) => {
-    console.error(`GetDevices BusinessError: code: ${err.code}, message: ${err.message}`);
+let audioDevices: audio.AudioDeviceDescriptors;
+audioRoutingManager.getDevices(audio.DeviceFlag.OUTPUT_DEVICES_FLAG).then((data) => {
+  audioDevices = data;
+  console.info(`Promise returned to indicate that the device list is obtained.`);
+}).catch((err: BusinessError) => {
+  console.error(`GetDevices BusinessError: code: ${err.code}, message: ${err.message}`);
 });
 
 avSession.castAudio('all', audioDevices).then(() => {
-    console.info(`CreateController : SUCCESS`);
-}).catch((err) => {
-    console.error(`CreateController BusinessError: code: ${err.code}, message: ${err.message}`);
+  console.info(`CreateController : SUCCESS`);
+}).catch((err: BusinessError) => {
+  console.error(`CreateController BusinessError: code: ${err.code}, message: ${err.message}`);
 });
 ```
 
@@ -502,25 +511,26 @@ castAudio(session: SessionToken | 'all', audioDevices: Array<audio.AudioDeviceDe
 
 **示例：**
 
-```js
+```ts
 import audio from '@ohos.multimedia.audio';
+import { BusinessError } from '@ohos.base';
 
 let audioManager = audio.getAudioManager();
 let audioRoutingManager = audioManager.getRoutingManager();
-let audioDevices;
-await audioRoutingManager.getDevices(audio.DeviceFlag.OUTPUT_DEVICES_FLAG).then((data) => {
-    audioDevices = data;
-    console.info(`Promise returned to indicate that the device list is obtained.`);
-}).catch((err) => {
-    console.error(`GetDevices BusinessError: code: ${err.code}, message: ${err.message}`);
+let audioDevices: audio.AudioDeviceDescriptors;
+audioRoutingManager.getDevices(audio.DeviceFlag.OUTPUT_DEVICES_FLAG).then((data) => {
+  audioDevices = data;
+  console.info(`Promise returned to indicate that the device list is obtained.`);
+}).catch((err: BusinessError) => {
+  console.error(`GetDevices BusinessError: code: ${err.code}, message: ${err.message}`);
 });
 
-avSession.castAudio('all', audioDevices, function (err) {
-    if (err) {
-        console.error(`CastAudio BusinessError: code: ${err.code}, message: ${err.message}`);
-    } else {
-        console.info(`CastAudio : SUCCESS `);
-    }
+avSession.castAudio('all', audioDevices, (err: BusinessError) => {
+  if (err) {
+    console.error(`CastAudio BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    console.info(`CastAudio : SUCCESS `);
+  }
 });
 ```
 
@@ -568,11 +578,11 @@ on(type: 'sessionCreate', callback: (session: AVSessionDescriptor) => void): voi
 
 **示例：**
 
-```js
-avSession.on('sessionCreate', (descriptor) => {
-    console.info(`on sessionCreate : isActive : ${descriptor.isActive}`);
-    console.info(`on sessionCreate : type : ${descriptor.type}`);
-    console.info(`on sessionCreate : sessionTag : ${descriptor.sessionTag}`);
+```ts
+avSession.on('sessionCreate', (descriptor: avSession.AVSessionDescriptor) => {
+  console.info(`on sessionCreate : isActive : ${descriptor.isActive}`);
+  console.info(`on sessionCreate : type : ${descriptor.type}`);
+  console.info(`on sessionCreate : sessionTag : ${descriptor.sessionTag}`);
 });
 
 ```
@@ -605,11 +615,11 @@ on(type: 'sessionDestroy', callback: (session: AVSessionDescriptor) => void): vo
 
 **示例：**
 
-```js
-avSession.on('sessionDestroy', (descriptor) => {
-    console.info(`on sessionDestroy : isActive : ${descriptor.isActive}`);
-    console.info(`on sessionDestroy : type : ${descriptor.type}`);
-    console.info(`on sessionDestroy : sessionTag : ${descriptor.sessionTag}`);
+```ts
+avSession.on('sessionDestroy', (descriptor: avSession.AVSessionDescriptor) => {
+  console.info(`on sessionDestroy : isActive : ${descriptor.isActive}`);
+  console.info(`on sessionDestroy : type : ${descriptor.type}`);
+  console.info(`on sessionDestroy : sessionTag : ${descriptor.sessionTag}`);
 });
 ```
 
@@ -641,11 +651,11 @@ on(type: 'topSessionChange', callback: (session: AVSessionDescriptor) => void):
 
 **示例：**
 
-```js
-avSession.on('topSessionChange', (descriptor) => {
-    console.info(`on topSessionChange : isActive : ${descriptor.isActive}`);
-    console.info(`on topSessionChange : type : ${descriptor.type}`);
-    console.info(`on topSessionChange : sessionTag : ${descriptor.sessionTag}`);
+```ts
+avSession.on('topSessionChange', (descriptor: avSession.AVSessionDescriptor) => {
+  console.info(`on topSessionChange : isActive : ${descriptor.isActive}`);
+  console.info(`on topSessionChange : type : ${descriptor.type}`);
+  console.info(`on topSessionChange : sessionTag : ${descriptor.sessionTag}`);
 });
 ```
 
@@ -677,7 +687,7 @@ off(type: 'sessionCreate', callback?: (session: AVSessionDescriptor) => void): v
 
 **示例：**
 
-```js
+```ts
 avSession.off('sessionCreate');
 ```
 
@@ -709,7 +719,7 @@ off(type: 'sessionDestroy', callback?: (session: AVSessionDescriptor) => void):
 
 **示例：**
 
-```js
+```ts
 avSession.off('sessionDestroy');
 ```
 
@@ -741,7 +751,7 @@ off(type: 'topSessionChange', callback?: (session: AVSessionDescriptor) => void)
 
 **示例：**
 
-```js
+```ts
 avSession.off('topSessionChange');
 ```
 
@@ -771,9 +781,9 @@ on(type: 'sessionServiceDie', callback: () => void): void
 
 **示例：**
 
-```js
+```ts
 avSession.on('sessionServiceDie', () => {
-    console.info(`on sessionServiceDie  : session is  Died `);
+  console.info(`on sessionServiceDie  : session is  Died `);
 });
 ```
 
@@ -803,7 +813,7 @@ off(type: 'sessionServiceDie', callback?: () => void): void
 
 **示例：**
 
-```js
+```ts
 avSession.off('sessionServiceDie');
 ```
 
@@ -836,16 +846,19 @@ sendSystemAVKeyEvent(event: KeyEvent, callback: AsyncCallback\<void>): void
 
 **示例：**
 
-```js
-let keyItem = {code:0x49, pressedTime:2, deviceId:0};
-let event = {id:1, deviceId:0, actionTime:1, screenId:1, windowId:1, action:2, key:keyItem, unicodeChar:0, keys:[keyItem], ctrlKey:false, altKey:false, shiftKey:false, logoKey:false, fnKey:false, capsLock:false, numLock:false, scrollLock:false}; 
+```ts
+import keyEvent from '@ohos.multimodalInput.keyEvent';
+import { BusinessError } from '@ohos.base';
 
-avSession.sendSystemAVKeyEvent(event, function (err) {
-    if (err) {
-        console.error(`SendSystemAVKeyEvent BusinessError: code: ${err.code}, message: ${err.message}`);
-    } else {
-        console.info(`SendSystemAVKeyEvent : SUCCESS `);
-    }
+let keyItem: keyEvent.Key = {code:0x49, pressedTime:2, deviceId:0};
+let event: keyEvent.KeyEvent = {id:1, deviceId:0, actionTime:1, screenId:1, windowId:1, action:2, key:keyItem, unicodeChar:0, keys:[keyItem], ctrlKey:false, altKey:false, shiftKey:false, logoKey:false, fnKey:false, capsLock:false, numLock:false, scrollLock:false};
+
+avSession.sendSystemAVKeyEvent(event, (err: BusinessError) => {
+  if (err) {
+    console.error(`SendSystemAVKeyEvent BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    console.info(`SendSystemAVKeyEvent : SUCCESS `);
+  }
 });
 ```
 
@@ -883,15 +896,17 @@ sendSystemAVKeyEvent(event: KeyEvent): Promise\<void>
 
 **示例：**
 
-```js
+```ts
+import keyEvent from '@ohos.multimodalInput.keyEvent';
+import { BusinessError } from '@ohos.base';
 
-let keyItem = {code:0x49, pressedTime:2, deviceId:0};
-let event = {id:1, deviceId:0, actionTime:1, screenId:1, windowId:1, action:2, key:keyItem, unicodeChar:0, keys:[keyItem], ctrlKey:false, altKey:false, shiftKey:false, logoKey:false, fnKey:false, capsLock:false, numLock:false, scrollLock:false}; 
+let keyItem: keyEvent.Key = {code:0x49, pressedTime:2, deviceId:0};
+let event: keyEvent.KeyEvent = {id:1, deviceId:0, actionTime:1, screenId:1, windowId:1, action:2, key:keyItem, unicodeChar:0, keys:[keyItem], ctrlKey:false, altKey:false, shiftKey:false, logoKey:false, fnKey:false, capsLock:false, numLock:false, scrollLock:false};
 
 avSession.sendSystemAVKeyEvent(event).then(() => {
-    console.info(`SendSystemAVKeyEvent Successfully`);
-}).catch((err) => {
-    console.error(`SendSystemAVKeyEvent BusinessError: code: ${err.code}, message: ${err.message}`);
+  console.info(`SendSystemAVKeyEvent Successfully`);
+}).catch((err: BusinessError) => {
+  console.error(`SendSystemAVKeyEvent BusinessError: code: ${err.code}, message: ${err.message}`);
 });
 ```
 
@@ -925,7 +940,9 @@ sendSystemControlCommand(command: AVControlCommand, callback: AsyncCallback\<voi
 
 **示例：**
 
-```js
+```ts
+import avSession from '@ohos.multimedia.avsession';
+
 let cmd : avSession.AVControlCommandType = 'play';
 // let cmd : avSession.AVControlCommandType = 'pause';
 // let cmd : avSession.AVControlCommandType = 'stop';
@@ -933,7 +950,7 @@ let cmd : avSession.AVControlCommandType = 'play';
 // let cmd : avSession.AVControlCommandType = 'playPrevious';
 // let cmd : avSession.AVControlCommandType = 'fastForward';
 // let cmd : avSession.AVControlCommandType = 'rewind';
-let avcommand = {command:cmd};
+let avcommand: avSession.AVControlCommand = {command:cmd};
 // let cmd : avSession.AVControlCommandType = 'seek';
 // let avcommand = {command:cmd, parameter:10};
 // let cmd : avSession.AVControlCommandType = 'setSpeed';
@@ -942,12 +959,12 @@ let avcommand = {command:cmd};
 // let avcommand = {command:cmd, parameter:avSession.LoopMode.LOOP_MODE_SINGLE};
 // let cmd : avSession.AVControlCommandType = 'toggleFavorite';
 // let avcommand = {command:cmd, parameter:"false"};
-avSession.sendSystemControlCommand(avcommand, function (err) {
-    if (err) {
-        console.error(`SendSystemControlCommand BusinessError: code: ${err.code}, message: ${err.message}`);
-    } else {
-        console.info(`sendSystemControlCommand successfully`);
-    }
+avSession.sendSystemControlCommand(avcommand, (err) => {
+  if (err) {
+    console.error(`SendSystemControlCommand BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    console.info(`sendSystemControlCommand successfully`);
+  }
 });
 ```
 
@@ -986,7 +1003,10 @@ sendSystemControlCommand(command: AVControlCommand): Promise\<void>
 
 **示例：**
 
-```js
+```ts
+import avSession from '@ohos.multimedia.avsession';
+import { BusinessError } from '@ohos.base';
+
 let cmd : avSession.AVControlCommandType = 'play';
 // let cmd : avSession.AVControlCommandType = 'pause';
 // let cmd : avSession.AVControlCommandType = 'stop';
@@ -994,7 +1014,7 @@ let cmd : avSession.AVControlCommandType = 'play';
 // let cmd : avSession.AVControlCommandType = 'playPrevious';
 // let cmd : avSession.AVControlCommandType = 'fastForward';
 // let cmd : avSession.AVControlCommandType = 'rewind';
-let avcommand = {command:cmd};
+let avcommand: avSession.AVControlCommand = {command:cmd};
 // let cmd : avSession.AVControlCommandType = 'seek';
 // let avcommand = {command:cmd, parameter:10};
 // let cmd : avSession.AVControlCommandType = 'setSpeed';
@@ -1004,9 +1024,9 @@ let avcommand = {command:cmd};
 // let cmd : avSession.AVControlCommandType = 'toggleFavorite';
 // let avcommand = {command:cmd, parameter:"false"};
 avSession.sendSystemControlCommand(avcommand).then(() => {
-    console.info(`SendSystemControlCommand successfully`);
-}).catch((err) => {
-    console.error(`SendSystemControlCommand BusinessError: code: ${err.code}, message: ${err.message}`);
+  console.info(`SendSystemControlCommand successfully`);
+}).catch((err: BusinessError) => {
+  console.error(`SendSystemControlCommand BusinessError: code: ${err.code}, message: ${err.message}`);
 });
 ```
 
@@ -1043,13 +1063,15 @@ startCastDeviceDiscovery(callback: AsyncCallback\<void>): void
 
 **示例：**
 
-```js
-avSession.startCastDeviceDiscovery(function (err) {
-    if (err) {
-        console.error(`startCastDeviceDiscovery BusinessError: code: ${err.code}, message: ${err.message}`);
-    } else {
-        console.info(`startCastDeviceDiscovery successfully`);
-    }
+```ts
+import { BusinessError } from '@ohos.base';
+
+avSession.startCastDeviceDiscovery((err: BusinessError) => {
+  if (err) {
+    console.error(`startCastDeviceDiscovery BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    console.info(`startCastDeviceDiscovery successfully`);
+  }
 });
 ```
 
@@ -1073,14 +1095,16 @@ startCastDeviceDiscovery(filter: number, callback: AsyncCallback\<void>): void
 
 **示例：**
 
-```js
+```ts
+import { BusinessError } from '@ohos.base';
+
 let filter = 2;
-avSession.startCastDeviceDiscovery(filter, function (err) {
-    if (err) {
-        console.error(`startCastDeviceDiscovery BusinessError: code: ${err.code}, message: ${err.message}`);
-    } else {
-        console.info(`startCastDeviceDiscovery successfully`);
-    }
+avSession.startCastDeviceDiscovery(filter, (err: BusinessError) => {
+  if (err) {
+    console.error(`startCastDeviceDiscovery BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    console.info(`startCastDeviceDiscovery successfully`);
+  }
 });
 ```
 
@@ -1107,12 +1131,14 @@ startCastDeviceDiscovery(filter?: number): Promise\<void>
 
 **示例：**
 
-```js
+```ts
+import { BusinessError } from '@ohos.base';
+
 let filter = 2;
 avSession.startCastDeviceDiscovery(filter).then(() => {
-    console.info(`startCastDeviceDiscovery successfully`);
-}).catch((err) => {
-    console.error(`startCastDeviceDiscovery BusinessError: code: ${err.code}, message: ${err.message}`);
+  console.info(`startCastDeviceDiscovery successfully`);
+}).catch((err: BusinessError) => {
+  console.error(`startCastDeviceDiscovery BusinessError: code: ${err.code}, message: ${err.message}`);
 });
 ```
 
@@ -1135,13 +1161,15 @@ stopCastDeviceDiscovery(callback: AsyncCallback\<void>): void
 
 **示例：**
 
-```js
-avSession.stopCastDeviceDiscovery(function (err) {
-    if (err) {
-        console.error(`stopCastDeviceDiscovery BusinessError: code: ${err.code}, message: ${err.message}`);
-    } else {
-        console.info(`stopCastDeviceDiscovery successfully`);
-    }
+```ts
+import { BusinessError } from '@ohos.base';
+
+avSession.stopCastDeviceDiscovery((err: BusinessError) => {
+  if (err) {
+    console.error(`stopCastDeviceDiscovery BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    console.info(`stopCastDeviceDiscovery successfully`);
+  }
 });
 ```
 
@@ -1163,11 +1191,13 @@ stopCastDeviceDiscovery(): Promise\<void>
 
 **示例：**
 
-```js
+```ts
+import { BusinessError } from '@ohos.base';
+
 avSession.stopCastDeviceDiscovery().then(() => {
-    console.info(`startCastDeviceDiscovery successfully`);
-}).catch((err) => {
-    console.error(`startCastDeviceDiscovery BusinessError: code: ${err.code}, message: ${err.message}`);
+  console.info(`startCastDeviceDiscovery successfully`);
+}).catch((err: BusinessError) => {
+  console.error(`startCastDeviceDiscovery BusinessError: code: ${err.code}, message: ${err.message}`);
 });
 ```
 
@@ -1191,13 +1221,15 @@ setDiscoverable(enable: boolean, callback: AsyncCallback\<void>): void
 
 **示例：**
 
-```js
-avSession.setDiscoverable(true, function (err) {
-    if (err) {
-        console.error(`setDiscoverable BusinessError: code: ${err.code}, message: ${err.message}`);
-    } else {
-        console.info(`setDiscoverable successfully`);
-    }
+```ts
+import { BusinessError } from '@ohos.base';
+
+avSession.setDiscoverable(true, (err: BusinessError) => {
+  if (err) {
+    console.error(`setDiscoverable BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    console.info(`setDiscoverable successfully`);
+  }
 });
 ```
 
@@ -1225,11 +1257,13 @@ setDiscoverable(enable: boolean): Promise\<void>
 
 **示例：**
 
-```js
+```ts
+import { BusinessError } from '@ohos.base';
+
 avSession.setDiscoverable(true).then(() => {
-    console.info(`setDiscoverable successfully`);
-}).catch((err) => {
-    console.error(`setDiscoverable BusinessError: code: ${err.code}, message: ${err.message}`);
+  console.info(`setDiscoverable successfully`);
+}).catch((err: BusinessError) => {
+  console.error(`setDiscoverable BusinessError: code: ${err.code}, message: ${err.message}`);
 });
 ```
 
@@ -1259,11 +1293,11 @@ on(type: 'deviceAvailable', callback: (device: OutputDeviceInfo) => void): void
 
 **示例：**
 
-```js
-let castDevice;
-avSession.on('deviceAvailable', (device) => {
-    castDevice = device;
-    console.info(`on deviceAvailable  : ${device} `);
+```ts
+let castDevice: avSession.OutputDeviceInfo;
+avSession.on('deviceAvailable', (device: avSession.OutputDeviceInfo) => {
+  castDevice = device;
+  console.info(`on deviceAvailable  : ${device} `);
 });
 ```
 
@@ -1292,7 +1326,7 @@ off(type: 'deviceAvailable', callback?: (device: OutputDeviceInfo) => void): voi
 
 **示例：**
 
-```js
+```ts
 avSession.off('deviceAvailable');
 ```
 
@@ -1325,32 +1359,32 @@ getAVCastController(sessionId: string, callback: AsyncCallback\<AVCastController
 
 **示例：**
 
-```js
-import featureAbility from '@ohos.ability.featureAbility';
+```ts
+import { BusinessError } from '@ohos.base';
 
-let currentAVSession;
+let currentAVSession: avSession.AVSession;
 let tag = "createNewSession";
-let context = featureAbility.getContext();
-let sessionId;  //供后续函数入参使用
+let context: Context = this.context;
+let sessionId: string;  //供后续函数入参使用
 
-avSession.createAVSession(context, tag, "audio", function (err, data) {
-    if (err) {
-        console.info(`CreateAVSession BusinessError: code: ${err.code}, message: ${err.message}`);
-    } else {
-        currentAVSession = data;
-        sessionId = currentAVSession.sessionId;
-        console.info(`CreateAVSession : SUCCESS : sessionId = ${sessionId}`);
-    }
+avSession.createAVSession(context, tag, "audio", (err: BusinessError, data: avSession.AVSession) => {
+  if (err) {
+    console.info(`CreateAVSession BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    currentAVSession = data;
+    sessionId = currentAVSession.sessionId;
+    console.info(`CreateAVSession : SUCCESS : sessionId = ${sessionId}`);
+  }
 });
 
-let aVCastController;
-avSession.getAVCastController(sessionId ,function (err, avcontroller) {
-    if (err) {
-        console.error(`getAVCastController BusinessError: code: ${err.code}, message: ${err.message}`);
-    } else {
-        aVCastController = avcontroller;
-        console.info('getAVCastController : SUCCESS ');
-    }
+let aVCastController: avSession.AVCastController;
+avSession.getAVCastController(sessionId , (err: BusinessError, avcontroller: avSession.AVCastController) => {
+  if (err) {
+    console.error(`getAVCastController BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    aVCastController = avcontroller;
+    console.info('getAVCastController : SUCCESS ');
+  }
 });
 ```
 
@@ -1388,30 +1422,30 @@ getAVCastController(sessionId: string): Promise\<AVCastController>;
 
 **示例：**
 
-```js
-import featureAbility from '@ohos.ability.featureAbility';
+```ts
+import { BusinessError } from '@ohos.base';
 
-let currentAVSession;
+let currentAVSession: avSession.AVSession;
 let tag = "createNewSession";
-let context = featureAbility.getContext();
-let sessionId;  //供后续函数入参使用
+let context: Context = this.context;
+let sessionId: string;  //供后续函数入参使用
 
-avSession.createAVSession(context, tag, "audio", function (err, data) {
-    if (err) {
-        console.info(`CreateAVSession BusinessError: code: ${err.code}, message: ${err.message}`);
-    } else {
-        currentAVSession = data;
-        sessionId = currentAVSession.sessionId;
-        console.info(`CreateAVSession : SUCCESS : sessionId = ${sessionId}`);
-    }
+avSession.createAVSession(context, tag, "audio", (err: BusinessError, data: avSession.AVSession) => {
+  if (err) {
+    console.info(`CreateAVSession BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    currentAVSession = data;
+    sessionId = currentAVSession.sessionId;
+    console.info(`CreateAVSession : SUCCESS : sessionId = ${sessionId}`);
+  }
 });
 
-let aVCastController;
-avSession.getAVCastController(sessionId).then((avcontroller) => {
-    aVCastController = avcontroller;
-    console.info('getAVCastController : SUCCESS');
-}).catch((err) => {
-    console.error(`getAVCastController BusinessError: code: ${err.code}, message: ${err.message}`);
+let aVCastController: avSession.AVCastController;
+avSession.getAVCastController(sessionId).then((avcontroller: avSession.AVCastController) => {
+  aVCastController = avcontroller;
+  console.info('getAVCastController : SUCCESS');
+}).catch((err: BusinessError) => {
+  console.error(`getAVCastController BusinessError: code: ${err.code}, message: ${err.message}`);
 });
 ```
 
@@ -1445,38 +1479,39 @@ startCasting(session: SessionToken, device: OutputDeviceInfo, callback: AsyncCal
 
 **示例：**
 
-```js
-import featureAbility from '@ohos.ability.featureAbility';
+```ts
+import avSession from '@ohos.multimedia.avsession';
+import { BusinessError } from '@ohos.base';
 
-let currentAVSession;
+let currentAVSession: avSession.AVSession;
 let tag = "createNewSession";
-let context = featureAbility.getContext();
-let currSessionId;  //供后续函数入参使用
+let context: Context = this.context;
+let sessionId: string;  //供后续函数入参使用
 
-avSession.createAVSession(context, tag, "audio", function (err, data) {
-    if (err) {
-        console.info(`CreateAVSession BusinessError: code: ${err.code}, message: ${err.message}`);
-    } else {
-        currentAVSession = data;
-        currSessionId = currentAVSession.sessionId;
-        console.info(`CreateAVSession : SUCCESS : sessionId = ${currSessionId}`);
-    }
+avSession.createAVSession(context, tag, "audio", (err: BusinessError, data: avSession.AVSession) => {
+  if (err) {
+    console.info(`CreateAVSession BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    currentAVSession = data;
+    sessionId = currentAVSession.sessionId;
+    console.info(`CreateAVSession : SUCCESS : sessionId = ${sessionId}`);
+  }
 });
 
-let myToken = {
-    sessionId: currSessionId,
+let myToken: avSession.SessionToken = {
+  sessionId: sessionId,
 }
-let castDevice;
-avSession.on('deviceAvailable', (device) => {
-    castDevice = device;
-    console.info(`on deviceAvailable  : ${device} `);
+let castDevice: avSession.OutputDeviceInfo;
+avSession.on('deviceAvailable', (device: avSession.OutputDeviceInfo) => {
+  castDevice = device;
+  console.info(`on deviceAvailable  : ${device} `);
 });
-avSession.startCasting(myToken, castDevice, function (err) {
-    if (err) {
-        console.error(`startCasting BusinessError: code: ${err.code}, message: ${err.message}`);
-    } else {
-        console.info(`startCasting successfully`);
-    }
+avSession.startCasting(myToken, castDevice, (err: BusinessError) => {
+  if (err) {
+    console.error(`startCasting BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    console.info(`startCasting successfully`);
+  }
 });
 ```
 
@@ -1515,36 +1550,37 @@ startCasting(session: SessionToken, device: OutputDeviceInfo): Promise\<void>
 
 **示例：**
 
-```js
-import featureAbility from '@ohos.ability.featureAbility';
+```ts
+import avSession from '@ohos.multimedia.avsession';
+import { BusinessError } from '@ohos.base';
 
-let currentAVSession;
+let currentAVSession: avSession.AVSession;
 let tag = "createNewSession";
-let context = featureAbility.getContext();
-let currSessionId;  //供后续函数入参使用
+let context: Context = this.context;
+let sessionId: string;  //供后续函数入参使用
 
-avSession.createAVSession(context, tag, "audio", function (err, data) {
-    if (err) {
-        console.info(`CreateAVSession BusinessError: code: ${err.code}, message: ${err.message}`);
-    } else {
-        currentAVSession = data;
-        currSessionId = currentAVSession.sessionId;
-        console.info(`CreateAVSession : SUCCESS : sessionId = ${currSessionId}`);
-    }
+avSession.createAVSession(context, tag, "audio", (err: BusinessError, data: avSession.AVSession) => {
+  if (err) {
+    console.info(`CreateAVSession BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    currentAVSession = data;
+    sessionId = currentAVSession.sessionId;
+    console.info(`CreateAVSession : SUCCESS : sessionId = ${sessionId}`);
+  }
 });
 
-let myToken = {
-    sessionId: currSessionId,
+let myToken: avSession.SessionToken = {
+  sessionId: sessionId,
 }
-let castDevice;
-avSession.on('deviceAvailable', (device) => {
-    castDevice = device;
-    console.info(`on deviceAvailable  : ${device} `);
+let castDevice: avSession.OutputDeviceInfo;
+avSession.on('deviceAvailable', (device: avSession.OutputDeviceInfo) => {
+  castDevice = device;
+  console.info(`on deviceAvailable  : ${device} `);
 });
 avSession.startCasting(myToken, castDevice).then(() => {
-    console.info(`startCasting successfully`);
-}).catch((err) => {
-    console.error(`startCasting BusinessError: code: ${err.code}, message: ${err.message}`);
+  console.info(`startCasting successfully`);
+}).catch((err: BusinessError) => {
+  console.error(`startCasting BusinessError: code: ${err.code}, message: ${err.message}`);
 });
 ```
 
@@ -1574,33 +1610,34 @@ stopCasting(session: SessionToken, callback: AsyncCallback\<void>): void
 
 **示例：**
 
-```js
-import featureAbility from '@ohos.ability.featureAbility';
+```ts
+import avSession from '@ohos.multimedia.avsession';
+import { BusinessError } from '@ohos.base';
 
-let currentAVSession;
+let currentAVSession: avSession.AVSession;
 let tag = "createNewSession";
-let context = featureAbility.getContext();
-let currSessionId;  //供后续函数入参使用
+let context: Context = this.context;
+let sessionId: string;  //供后续函数入参使用
 
-avSession.createAVSession(context, tag, "audio", function (err, data) {
-    if (err) {
-        console.info(`CreateAVSession BusinessError: code: ${err.code}, message: ${err.message}`);
-    } else {
-        currentAVSession = data;
-        currSessionId = currentAVSession.sessionId;
-        console.info(`CreateAVSession : SUCCESS : sessionId = ${currSessionId}`);
-    }
+avSession.createAVSession(context, tag, "audio", (err: BusinessError, data: avSession.AVSession) => {
+  if (err) {
+    console.info(`CreateAVSession BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    currentAVSession = data;
+    sessionId = currentAVSession.sessionId;
+    console.info(`CreateAVSession : SUCCESS : sessionId = ${sessionId}`);
+  }
 });
 
-let myToken = {
-    sessionId: currSessionId,
+let myToken: avSession.SessionToken = {
+  sessionId: sessionId,
 }
-avSession.stopCasting(myToken, function (err) {
-    if (err) {
-        console.error(`stopCasting BusinessError: code: ${err.code}, message: ${err.message}`);
-    } else {
-        console.info(`stopCasting successfully`);
-    }
+avSession.stopCasting(myToken, (err: BusinessError) => {
+  if (err) {
+    console.error(`stopCasting BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    console.info(`stopCasting successfully`);
+  }
 });
 ```
 
@@ -1635,32 +1672,34 @@ stopCasting(session: SessionToken): Promise\<void>
 
 **示例：**
 
-```js
-import featureAbility from '@ohos.ability.featureAbility';
+```ts
+import avSession from '@ohos.multimedia.avsession';
+import { BusinessError } from '@ohos.base';
 
-let currentAVSession;
+let currentAVSession: avSession.AVSession;
 let tag = "createNewSession";
-let context = featureAbility.getContext();
-let currSessionId;  //供后续函数入参使用
+let context: Context = this.context;
+let sessionId: string;  //供后续函数入参使用
 
-avSession.createAVSession(context, tag, "audio", function (err, data) {
-    if (err) {
-        console.info(`CreateAVSession BusinessError: code: ${err.code}, message: ${err.message}`);
-    } else {
-        currentAVSession = data;
-        currSessionId = currentAVSession.sessionId;
-        console.info(`CreateAVSession : SUCCESS : sessionId = ${currSessionId}`);
-    }
+avSession.createAVSession(context, tag, "audio", (err: BusinessError, data: avSession.AVSession) => {
+  if (err) {
+    console.info(`CreateAVSession BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    currentAVSession = data;
+    sessionId = currentAVSession.sessionId;
+    console.info(`CreateAVSession : SUCCESS : sessionId = ${sessionId}`);
+  }
 });
 
-let myToken = {
-    sessionId: currSessionId,
+let myToken: avSession.SessionToken = {
+  sessionId: sessionId,
 }
 avSession.stopCasting(myToken).then(() => {
-    console.info(`stopCasting successfully`);
-}).catch((err) => {
-    console.error(`stopCasting BusinessError: code: ${err.code}, message: ${err.message}`);
+  console.info(`stopCasting successfully`);
+}).catch((err: BusinessError) => {
+  console.error(`stopCasting BusinessError: code: ${err.code}, message: ${err.message}`);
 });
+
 ```
 
 ## AVSessionType<sup>10+<sup>
@@ -1688,9 +1727,9 @@ avSession.stopCasting(myToken).then(() => {
 
 
 **示例：**
-```js
-let sessionId = currentAVSession.sessionId;
-let sessionType = currentAVSession.sessionType;
+```ts
+let sessionId: string = currentAVSession.sessionId;
+let sessionType: avSession.AVSessionType = currentAVSession.sessionType;
 ```
 
 ### setAVMetadata<sup>10+</sup>
@@ -1723,27 +1762,30 @@ setAVMetadata(data: AVMetadata): Promise\<void>
 
 **示例：**
 
-```js
-let metadata  = {
-    assetId: "121278",
-    title: "lose yourself",
-    artist: "Eminem",
-    author: "ST",
-    album: "Slim shady",
-    writer: "ST",
-    composer: "ST",
-    duration: 2222,
-    mediaImage: "https://www.example.com/example.jpg",
-    subtitle: "8 Mile",
-    description: "Rap",
-    lyric: "https://www.example.com/example.lrc",
-    previousAssetId: "121277",
-    nextAssetId: "121279",
+```ts
+import avSession from '@ohos.multimedia.avsession';
+import { BusinessError } from '@ohos.base';
+
+let metadata: avSession.AVMetadata = {
+  assetId: "121278",
+  title: "lose yourself",
+  artist: "Eminem",
+  author: "ST",
+  album: "Slim shady",
+  writer: "ST",
+  composer: "ST",
+  duration: 2222,
+  mediaImage: "https://www.example.com/example.jpg",
+  subtitle: "8 Mile",
+  description: "Rap",
+  lyric: "https://www.example.com/example.lrc",
+  previousAssetId: "121277",
+  nextAssetId: "121279",
 };
 currentAVSession.setAVMetadata(metadata).then(() => {
-    console.info(`SetAVMetadata successfully`);
-}).catch((err) => {
-    console.error(`SetAVMetadata BusinessError: code: ${err.code}, message: ${err.message}`);
+  console.info(`SetAVMetadata successfully`);
+}).catch((err: BusinessError) => {
+  console.error(`SetAVMetadata BusinessError: code: ${err.code}, message: ${err.message}`);
 });
 ```
 
@@ -1772,29 +1814,32 @@ setAVMetadata(data: AVMetadata, callback: AsyncCallback\<void>): void
 
 **示例：**
 
-```js
-let metadata  = {
-    assetId: "121278",
-    title: "lose yourself",
-    artist: "Eminem",
-    author: "ST",
-    album: "Slim shady",
-    writer: "ST",
-    composer: "ST",
-    duration: 2222,
-    mediaImage: "https://www.example.com/example.jpg",
-    subtitle: "8 Mile",
-    description: "Rap",
-    lyric: "https://www.example.com/example.lrc",
-    previousAssetId: "121277",
-    nextAssetId: "121279",
+```ts
+import avSession from '@ohos.multimedia.avsession';
+import { BusinessError } from '@ohos.base';
+
+let metadata: avSession.AVMetadata = {
+  assetId: "121278",
+  title: "lose yourself",
+  artist: "Eminem",
+  author: "ST",
+  album: "Slim shady",
+  writer: "ST",
+  composer: "ST",
+  duration: 2222,
+  mediaImage: "https://www.example.com/example.jpg",
+  subtitle: "8 Mile",
+  description: "Rap",
+  lyric: "https://www.example.com/example.lrc",
+  previousAssetId: "121277",
+  nextAssetId: "121279",
 };
-currentAVSession.setAVMetadata(metadata, function (err) {
-    if (err) {
-        console.error(`SetAVMetadata BusinessError: code: ${err.code}, message: ${err.message}`);
-    } else {
-        console.info(`SetAVMetadata successfully`);
-    }
+currentAVSession.setAVMetadata(metadata, (err: BusinessError) => {
+  if (err) {
+    console.error(`SetAVMetadata BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    console.info(`SetAVMetadata successfully`);
+  }
 });
 ```
 
@@ -1828,19 +1873,22 @@ setAVPlaybackState(state: AVPlaybackState): Promise\<void>
 
 **示例：**
 
-```js
-let playbackState = {
-    state:avSession.PlaybackState.PLAYBACK_STATE_PLAY,
-    speed: 1.0,
-    position:{elapsedTime:10, updateTime:(new Date()).getTime()},
-    bufferedTime:1000,
-    loopMode:avSession.LoopMode.LOOP_MODE_SINGLE,
-    isFavorite:true,
+```ts
+import avSession from '@ohos.multimedia.avsession';
+import { BusinessError } from '@ohos.base';
+
+let playbackState: avSession.AVPlaybackState = {
+  state:avSession.PlaybackState.PLAYBACK_STATE_PLAY,
+  speed: 1.0,
+  position:{elapsedTime:10, updateTime:(new Date()).getTime()},
+  bufferedTime:1000,
+  loopMode:avSession.LoopMode.LOOP_MODE_SINGLE,
+  isFavorite:true,
 };
 currentAVSession.setAVPlaybackState(playbackState).then(() => {
-    console.info(`SetAVPlaybackState successfully`);
-}).catch((err) => {
-    console.info(`SetAVPlaybackState BusinessError: code: ${err.code}, message: ${err.message}`);
+  console.info(`SetAVPlaybackState successfully`);
+}).catch((err: BusinessError) => {
+  console.info(`SetAVPlaybackState BusinessError: code: ${err.code}, message: ${err.message}`);
 });
 ```
 
@@ -1869,21 +1917,24 @@ setAVPlaybackState(state: AVPlaybackState, callback: AsyncCallback\<void>): void
 
 **示例：**
 
-```js
-let PlaybackState = {
-    state:avSession.PlaybackState.PLAYBACK_STATE_PLAY,
-    speed: 1.0,
-    position:{elapsedTime:10, updateTime:(new Date()).getTime()},
-    bufferedTime:1000,
-    loopMode:avSession.LoopMode.LOOP_MODE_SINGLE,
-    isFavorite:true,
+```ts
+import avSession from '@ohos.multimedia.avsession';
+import { BusinessError } from '@ohos.base';
+
+let PlaybackState: avSession.AVPlaybackState = {
+  state:avSession.PlaybackState.PLAYBACK_STATE_PLAY,
+  speed: 1.0,
+  position:{elapsedTime:10, updateTime:(new Date()).getTime()},
+  bufferedTime:1000,
+  loopMode:avSession.LoopMode.LOOP_MODE_SINGLE,
+  isFavorite:true,
 };
-currentAVSession.setAVPlaybackState(PlaybackState, function (err) {
-    if (err) {
-        console.info(`SetAVPlaybackState BusinessError: code: ${err.code}, message: ${err.message}`);
-    } else {
-        console.info(`SetAVPlaybackState successfully`);
-    }
+currentAVSession.setAVPlaybackState(PlaybackState, (err: BusinessError) => {
+  if (err) {
+    console.info(`SetAVPlaybackState BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    console.info(`SetAVPlaybackState successfully`);
+  }
 });
 ```
 
@@ -1917,43 +1968,44 @@ setLaunchAbility(ability: WantAgent): Promise\<void>
 
 **示例：**
 
-```js
+```ts
 import wantAgent from '@ohos.app.ability.wantAgent';
+import { BusinessError } from '@ohos.base';
 
 //WantAgentInfo对象
-let wantAgentInfo = {
-    wants: [
+let wantAgentInfo: wantAgent.WantAgentInfo = {
+  wants: [
+    {
+      deviceId: "deviceId",
+      bundleName: "com.example.myapplication",
+      abilityName: "EntryAbility",
+      action: "action1",
+      entities: ["entity1"],
+      type: "MIMETYPE",
+      uri: "key={true,true,false}",
+      parameters:
         {
-            deviceId: "deviceId",
-            bundleName: "com.example.myapplication",
-            abilityName: "EntryAbility",
-            action: "action1",
-            entities: ["entity1"],
-            type: "MIMETYPE",
-            uri: "key={true,true,false}",
-            parameters:
-                {
-                    mykey0: 2222,
-                    mykey1: [1, 2, 3],
-                    mykey2: "[1, 2, 3]",
-                    mykey3: "ssssssssssssssssssssssssss",
-                    mykey4: [false, true, false],
-                    mykey5: ["qqqqq", "wwwwww", "aaaaaaaaaaaaaaaaa"],
-                    mykey6: true,
-                }
+          mykey0: 2222,
+          mykey1: [1, 2, 3],
+          mykey2: "[1, 2, 3]",
+          mykey3: "ssssssssssssssssssssssssss",
+          mykey4: [false, true, false],
+          mykey5: ["qqqqq", "wwwwww", "aaaaaaaaaaaaaaaaa"],
+          mykey6: true,
         }
-    ],
-    operationType: wantAgent.OperationType.START_ABILITIES,
-    requestCode: 0,
-    wantAgentFlags:[wantAgent.WantAgentFlags.UPDATE_PRESENT_FLAG]
+    }
+  ],
+  operationType: wantAgent.OperationType.START_ABILITIES,
+  requestCode: 0,
+  wantAgentFlags:[wantAgent.WantAgentFlags.UPDATE_PRESENT_FLAG]
 }
 
 wantAgent.getWantAgent(wantAgentInfo).then((agent) => {
-    currentAVSession.setLaunchAbility(agent).then(() => {
-        console.info(`SetLaunchAbility successfully`);
-    }).catch((err) => {
-        console.error(`SetLaunchAbility BusinessError: code: ${err.code}, message: ${err.message}`);
-    });
+  currentAVSession.setLaunchAbility(agent).then(() => {
+    console.info(`SetLaunchAbility successfully`);
+  }).catch((err: BusinessError) => {
+    console.error(`SetLaunchAbility BusinessError: code: ${err.code}, message: ${err.message}`);
+  });
 });
 ```
 
@@ -1982,45 +2034,46 @@ setLaunchAbility(ability: WantAgent, callback: AsyncCallback\<void>): void
 
 **示例：**
 
-```js
+```ts
 import wantAgent from '@ohos.app.ability.wantAgent';
+import { BusinessError } from '@ohos.base';
 
 //WantAgentInfo对象
-let wantAgentInfo = {
-    wants: [
+let wantAgentInfo: wantAgent.WantAgentInfo = {
+  wants: [
+    {
+      deviceId: "deviceId",
+      bundleName: "com.example.myapplication",
+      abilityName: "EntryAbility",
+      action: "action1",
+      entities: ["entity1"],
+      type: "MIMETYPE",
+      uri: "key={true,true,false}",
+      parameters:
         {
-            deviceId: "deviceId",
-            bundleName: "com.example.myapplication",
-            abilityName: "EntryAbility",
-            action: "action1",
-            entities: ["entity1"],
-            type: "MIMETYPE",
-            uri: "key={true,true,false}",
-            parameters:
-                {
-                    mykey0: 2222,
-                    mykey1: [1, 2, 3],
-                    mykey2: "[1, 2, 3]",
-                    mykey3: "ssssssssssssssssssssssssss",
-                    mykey4: [false, true, false],
-                    mykey5: ["qqqqq", "wwwwww", "aaaaaaaaaaaaaaaaa"],
-                    mykey6: true,
-                }
+          mykey0: 2222,
+          mykey1: [1, 2, 3],
+          mykey2: "[1, 2, 3]",
+          mykey3: "ssssssssssssssssssssssssss",
+          mykey4: [false, true, false],
+          mykey5: ["qqqqq", "wwwwww", "aaaaaaaaaaaaaaaaa"],
+          mykey6: true,
         }
-    ],
-    operationType: wantAgent.OperationType.START_ABILITIES,
-    requestCode: 0,
-    wantAgentFlags:[wantAgent.WantAgentFlags.UPDATE_PRESENT_FLAG]
+    }
+  ],
+  operationType: wantAgent.OperationType.START_ABILITIES,
+  requestCode: 0,
+  wantAgentFlags:[wantAgent.WantAgentFlags.UPDATE_PRESENT_FLAG]
 }
 
 wantAgent.getWantAgent(wantAgentInfo).then((agent) => {
-    currentAVSession.setLaunchAbility(agent, function (err) {
-        if (err) {
-            console.error(`SetLaunchAbility BusinessError: code: ${err.code}, message: ${err.message}`);
-        } else {
-            console.info(`SetLaunchAbility successfully`);
-        }
-    });
+  currentAVSession.setLaunchAbility(agent, (err: BusinessError) => {
+    if (err) {
+      console.error(`SetLaunchAbility BusinessError: code: ${err.code}, message: ${err.message}`);
+    } else {
+      console.info(`SetLaunchAbility successfully`);
+    }
+  });
 });
 ```
 
@@ -2058,13 +2111,27 @@ dispatchSessionEvent(event: string, args: {[key: string]: Object}): Promise\<voi
 
 **示例：**
 
-```js
+```ts
+import avSession from '@ohos.multimedia.avsession';
+import { BusinessError } from '@ohos.base';
+
+let currentAVSession: avSession.AVSession;
+let tag = "createNewSession";
+let context: Context = this.context;
+
+avSession.createAVSession(context, tag, "audio", (err: BusinessError, data: avSession.AVSession) => {
+  if (err) {
+    console.info(`CreateAVSession BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    currentAVSession = data;
+  }
+});
 let eventName = "dynamic_lyric";
-let args = {
-    lyric : "This is lyric"
-}
-currentAVSession.dispatchSessionEvent(eventName, args).catch((err) => {
-    console.info(`dispatchSessionEvent BusinessError: code: ${err.code}, message: ${err.message}`);
+
+currentAVSession.dispatchSessionEvent(eventName, {lyric : "This is lyric"}).then(() => {
+  console.info(`dispatchSessionEvent successfully`);
+}).catch((err: BusinessError) => {
+  console.info(`dispatchSessionEvent BusinessError: code: ${err.code}, message: ${err.message}`);
 })
 ```
 
@@ -2097,15 +2164,26 @@ dispatchSessionEvent(event: string, args: {[key: string]: Object}, callback: Asy
 
 **示例：**
 
-```js
+```ts
+import avSession from '@ohos.multimedia.avsession';
+import { BusinessError } from '@ohos.base';
+
+let currentAVSession: avSession.AVSession;
+let tag = "createNewSession";
+let context: Context = this.context;
+
+avSession.createAVSession(context, tag, "audio", (err: BusinessError, data: avSession.AVSession) => {
+  if (err) {
+    console.info(`CreateAVSession BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    currentAVSession = data;
+  }
+});
 let eventName = "dynamic_lyric";
-let args = {
-    lyric : "This is lyric"
-}
-currentAVSession.dispatchSessionEvent(eventName, args, (err) => {
-    if(err) {
-        console.error(`dispatchSessionEvent BusinessError: code: ${err.code}, message: ${err.message}`);
-    }
+currentAVSession.dispatchSessionEvent(eventName, {lyric : "This is lyric"}, (err: BusinessError) => {
+  if(err) {
+    console.error(`dispatchSessionEvent BusinessError: code: ${err.code}, message: ${err.message}`);
+  }
 })
 ```
 
@@ -2139,44 +2217,49 @@ setAVQueueItems(items: Array\<AVQueueItem>): Promise\<void>
 
 **示例：**
 
-```js
+```ts
 import image from '@ohos.multimedia.image';
 import resourceManager from '@ohos.resourceManager';
+import { BusinessError } from '@ohos.base';
+import avSession from '@ohos.multimedia.avsession';
 
-let value : Uint8Array = await resourceManager.getRawFileContent('IMAGE_URI');
-let imageSource : imageImageSource = image.createImageSource(value.buffer);
-let imagePixel : image.PixelMap = await imageSource.createPixelMap({desiredSize:{width: 150, height: 150}});
-let queueItemDescription_1 = {
-    mediaId: '001',
-    title: 'music_name',
-    subtitle: 'music_sub_name',
-    description: 'music_description',
-    icon : imagePixel,
-    iconUri: 'http://www.icon.uri.com',
-    extras: {'extras':'any'}
+let value: Uint8Array = resourceManager.getRawFileContent('IMAGE_URI');
+let imageSource: image.ImageSource = image.createImageSource(value.buffer);
+let imagePixel: image.PixelMap;
+imageSource.createPixelMap({desiredSize:{width: 150, height: 150}}).then((data) => {
+  imagePixel = data;
+}).catch((err: BusinessError) => {
+  console.error(`createPixelMap BusinessError: code: ${err.code}, message: ${err.message}`);
+})
+let queueItemDescription_1: avSession.AVMediaDescription = {
+  assetId: '001',
+  title: 'music_name',
+  subtitle: 'music_sub_name',
+  description: 'music_description',
+  mediaImage : imagePixel,
+  extras: {extras:'any'}
 };
-let queueItem_1 = {
-    itemId: 1,
-    description: queueItemDescription_1
+let queueItem_1: avSession.AVQueueItem = {
+  itemId: 1,
+  description: queueItemDescription_1
 };
-let queueItemDescription_2 = {
-    mediaId: '002',
-    title: 'music_name',
-    subtitle: 'music_sub_name',
-    description: 'music_description',
-    icon: imagePixel,
-    iconUri: 'http://www.xxx.com',
-    extras: {'extras':'any'}
+let queueItemDescription_2: avSession.AVMediaDescription = {
+  assetId: '002',
+  title: 'music_name',
+  subtitle: 'music_sub_name',
+  description: 'music_description',
+  mediaImage: imagePixel,
+  extras: {extras:'any'}
 };
-let queueItem_2 = {
-    itemId: 2,
-    description: queueItemDescription_2
+let queueItem_2: avSession.AVQueueItem = {
+  itemId: 2,
+  description: queueItemDescription_2
 };
-let queueItemsArray = [queueItem_1, queueItem_2];
+let queueItemsArray: avSession.AVQueueItem[] = [queueItem_1, queueItem_2];
 currentAVSession.setAVQueueItems(queueItemsArray).then(() => {
-    console.info(`SetAVQueueItems successfully`);
-}).catch((err) => {
-    console.error(`SetAVQueueItems BusinessError: code: ${err.code}, message: ${err.message}`);
+  console.info(`SetAVQueueItems successfully`);
+}).catch((err: BusinessError) => {
+  console.error(`SetAVQueueItems BusinessError: code: ${err.code}, message: ${err.message}`);
 });
 ```
 
@@ -2205,46 +2288,51 @@ setAVQueueItems(items: Array\<AVQueueItem>, callback: AsyncCallback\<void>): voi
 
 **示例：**
 
-```js
+```ts
 import image from '@ohos.multimedia.image';
 import resourceManager from '@ohos.resourceManager';
+import { BusinessError } from '@ohos.base';
+import avSession from '@ohos.multimedia.avsession';
 
-let value : Uint8Array = await resourceManager.getRawFileContent('IMAGE_URI');
-let imageSource : imageImageSource = image.createImageSource(value.buffer);
-let imagePixel : image.PixelMap = await imageSource.createPixelMap({desiredSize:{width: 150, height: 150}});
-let queueItemDescription_1 = {
-    mediaId: '001',
-    title: 'music_name',
-    subtitle: 'music_sub_name',
-    description: 'music_description',
-    icon: imagePixel,
-    iconUri: 'http://www.icon.uri.com',
-    extras: {'extras':'any'}
+let value: Uint8Array = resourceManager.getRawFileContent('IMAGE_URI');
+let imageSource: image.ImageSource = image.createImageSource(value.buffer);
+let imagePixel: image.PixelMap;
+imageSource.createPixelMap({desiredSize:{width: 150, height: 150}}).then((data) => {
+  imagePixel = data;
+}).catch((err: BusinessError) => {
+  console.error(`createPixelMap BusinessError: code: ${err.code}, message: ${err.message}`);
+})
+let queueItemDescription_1: avSession.AVMediaDescription = {
+  assetId: '001',
+  title: 'music_name',
+  subtitle: 'music_sub_name',
+  description: 'music_description',
+  mediaImage : imagePixel,
+  extras: {extras:'any'}
 };
-let queueItem_1 = {
-    itemId: 1,
-    description: queueItemDescription_1
+let queueItem_1: avSession.AVQueueItem = {
+  itemId: 1,
+  description: queueItemDescription_1
 };
-let queueItemDescription_2 = {
-    mediaId: '002',
-    title: 'music_name',
-    subtitle: 'music_sub_name',
-    description: 'music_description',
-    icon: imagePixel,
-    iconUri: 'http://www.icon.uri.com',
-    extras: {'extras':'any'}
+let queueItemDescription_2: avSession.AVMediaDescription = {
+  assetId: '002',
+  title: 'music_name',
+  subtitle: 'music_sub_name',
+  description: 'music_description',
+  mediaImage: imagePixel,
+  extras: {extras:'any'}
 };
-let queueItem_2 = {
-    itemId: 2,
-    description: queueItemDescription_2
+let queueItem_2: avSession.AVQueueItem = {
+  itemId: 2,
+  description: queueItemDescription_2
 };
-let queueItemsArray = [queueItem_1, queueItem_2];
-currentAVSession.setAVQueueItems(queueItemsArray, function (err) {
-    if (err) {
-        console.error(`SetAVQueueItems BusinessError: code: ${err.code}, message: ${err.message}`);
-    } else {
-        console.info(`SetAVQueueItems successfully`);
-    }
+let queueItemsArray: avSession.AVQueueItem[] = [queueItem_1, queueItem_2];
+currentAVSession.setAVQueueItems(queueItemsArray, (err: BusinessError) => {
+  if (err) {
+    console.error(`SetAVQueueItems BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    console.info(`SetAVQueueItems successfully`);
+  }
 });
 ```
 
@@ -2278,12 +2366,14 @@ setAVQueueTitle(title: string): Promise\<void>
 
 **示例：**
 
-```js
+```ts
+import { BusinessError } from '@ohos.base';
+
 let queueTitle = 'QUEUE_TITLE';
 currentAVSession.setAVQueueTitle(queueTitle).then(() => {
-    console.info(`SetAVQueueTitle successfully`);
-}).catch((err) => {
-    console.error(`SetAVQueueTitle BusinessError: code: ${err.code}, message: ${err.message}`);
+  console.info(`SetAVQueueTitle successfully`);
+}).catch((err: BusinessError) => {
+  console.error(`SetAVQueueTitle BusinessError: code: ${err.code}, message: ${err.message}`);
 });
 ```
 
@@ -2312,14 +2402,16 @@ setAVQueueTitle(title: string, callback: AsyncCallback\<void>): void
 
 **示例：**
 
-```js
+```ts
+import { BusinessError } from '@ohos.base';
+
 let queueTitle = 'QUEUE_TITLE';
-currentAVSession.setAVQueueTitle(queueTitle, function (err) {
-    if (err) {
-        console.info(`SetAVQueueTitle BusinessError: code: ${err.code}, message: ${err.message}`);
-    } else {
-        console.error(`SetAVQueueTitle successfully`);
-    }
+currentAVSession.setAVQueueTitle(queueTitle, (err: BusinessError) => {
+  if (err) {
+    console.info(`SetAVQueueTitle BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    console.error(`SetAVQueueTitle successfully`);
+  }
 });
 ```
 
@@ -2356,12 +2448,23 @@ setExtras(extras: {[key: string]: Object}): Promise\<void>
 
 **示例：**
 
-```js
-let extras = {
-    extras : "This is custom media packet"
-}
-currentAVSession.setExtras(extras).catch((err) => {
-    console.info(`setExtras BusinessError: code: ${err.code}, message: ${err.message}`);
+```ts
+import avSession from '@ohos.multimedia.avsession';
+import { BusinessError } from '@ohos.base';
+
+let currentAVSession: avSession.AVSession;
+let tag = "createNewSession";
+let context: Context = this.context;
+
+avSession.createAVSession(context, tag, "audio", (err: BusinessError, data: avSession.AVSession) => {
+  if (err) {
+    console.info(`CreateAVSession BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    currentAVSession = data;
+  }
+});
+currentAVSession.setExtras({"extras" : "This is custom media packet"}).catch((err: BusinessError) => {
+  console.info(`setExtras BusinessError: code: ${err.code}, message: ${err.message}`);
 })
 ```
 
@@ -2393,14 +2496,25 @@ setExtras(extras: {[key: string]: Object}, callback: AsyncCallback\<void>): void
 
 **示例：**
 
-```js
-let extras = {
-    extras : "This is custom media packet"
-}
-currentAVSession.setExtras(extras, (err) => {
-    if(err) {
-        console.error(`setExtras BusinessError: code: ${err.code}, message: ${err.message}`);
-    }
+```ts
+import avSession from '@ohos.multimedia.avsession';
+import { BusinessError } from '@ohos.base';
+
+let currentAVSession: avSession.AVSession;
+let tag = "createNewSession";
+let context: Context = this.context;
+
+avSession.createAVSession(context, tag, "audio", (err: BusinessError, data: avSession.AVSession) => {
+  if (err) {
+    console.info(`CreateAVSession BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    currentAVSession = data;
+  }
+});
+currentAVSession.setExtras({"extras" : "This is custom media packet"}, (err: BusinessError) => {
+  if(err) {
+    console.error(`setExtras BusinessError: code: ${err.code}, message: ${err.message}`);
+  }
 })
 ```
 
@@ -2428,13 +2542,15 @@ getController(): Promise\<AVSessionController>
 
 **示例：**
 
-```js
-let avsessionController;
-currentAVSession.getController().then((avcontroller) => {
-    avsessionController = avcontroller;
-    console.info(`GetController : SUCCESS : sessionid : ${avsessionController.sessionId}`);
-}).catch((err) => {
-    console.error(`GetController BusinessError: code: ${err.code}, message: ${err.message}`);
+```ts
+import { BusinessError } from '@ohos.base';
+
+let avsessionController: avSession.AVSessionController;
+currentAVSession.getController().then((avcontroller: avSession.AVSessionController) => {
+  avsessionController = avcontroller;
+  console.info(`GetController : SUCCESS : sessionid : ${avsessionController.sessionId}`);
+}).catch((err: BusinessError) => {
+  console.error(`GetController BusinessError: code: ${err.code}, message: ${err.message}`);
 });
 ```
 
@@ -2462,15 +2578,17 @@ getController(callback: AsyncCallback\<AVSessionController>): void
 
 **示例：**
 
-```js
-let avsessionController;
-currentAVSession.getController(function (err, avcontroller) {
-    if (err) {
-        console.error(`GetController BusinessError: code: ${err.code}, message: ${err.message}`);
-    } else {
-        avsessionController = avcontroller;
-        console.info(`GetController : SUCCESS : sessionid : ${avsessionController.sessionId}`);
-    }
+```ts
+import { BusinessError } from '@ohos.base';
+
+let avsessionController: avSession.AVSessionController;
+currentAVSession.getController((err: BusinessError, avcontroller: avSession.AVSessionController) => {
+  if (err) {
+    console.error(`GetController BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    avsessionController = avcontroller;
+    console.info(`GetController : SUCCESS : sessionid : ${avsessionController.sessionId}`);
+  }
 });
 ```
 
@@ -2498,13 +2616,15 @@ getAVCastController(callback: AsyncCallback\<AVCastController>): void
 
 **示例：**
 
-```js
-let aVCastController;
-currentAVSession.getAVCastController().then((avcontroller) => {
-    aVCastController = avcontroller;
-    console.info(`getAVCastController : SUCCESS : sessionid : ${aVCastController.sessionId}`);
-}).catch((err) => {
-    console.error(`getAVCastController BusinessError: code: ${err.code}, message: ${err.message}`);
+```ts
+import { BusinessError } from '@ohos.base';
+
+let aVCastController: avSession.AVCastController;
+currentAVSession.getAVCastController().then((avcontroller: avSession.AVCastController) => {
+  aVCastController = avcontroller;
+  console.info(`getAVCastController : SUCCESS : sessionid : ${aVCastController.sessionId}`);
+}).catch((err: BusinessError) => {
+  console.error(`getAVCastController BusinessError: code: ${err.code}, message: ${err.message}`);
 });
 ```
 
@@ -2532,15 +2652,17 @@ getAVCastController(): Promise\<AVCastController>;
 
 **示例：**
 
-```js
-let aVCastController;
-currentAVSession.getAVCastController(function (err, avcontroller) {
-    if (err) {
-        console.error(`getAVCastController BusinessError: code: ${err.code}, message: ${err.message}`);
-    } else {
-        aVCastController = avcontroller;
-        console.info(`getAVCastController : SUCCESS : sessionid : ${aVCastController.sessionId}`);
-    }
+```ts
+import { BusinessError } from '@ohos.base';
+
+let aVCastController: avSession.AVCastController;
+currentAVSession.getAVCastController((err: BusinessError, avcontroller: avSession.AVCastController) => {
+  if (err) {
+    console.error(`getAVCastController BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    aVCastController = avcontroller;
+    console.info(`getAVCastController : SUCCESS : sessionid : ${aVCastController.sessionId}`);
+  }
 });
 ```
 
@@ -2569,12 +2691,14 @@ getOutputDevice(): Promise\<OutputDeviceInfo>
 
 **示例：**
 
-```js
-currentAVSession.getOutputDevice().then((outputDeviceInfo) => {
-    console.info(`GetOutputDevice : SUCCESS : isRemote : ${outputDeviceInfo.isRemote}`);
-}).catch((err) => {
-    console.error(`GetOutputDevice BusinessError: code: ${err.code}, message: ${err.message}`);
-});
+```ts
+import { BusinessError } from '@ohos.base';
+
+currentAVSession.getOutputDevice().then((outputDeviceInfo: avSession.OutputDeviceInfo) => {
+  console.info(`GetOutputDevice : SUCCESS : isRemote : ${outputDeviceInfo.isRemote}`);
+}).catch((err: BusinessError) => {
+  console.error(`GetOutputDevice BusinessError: code: ${err.code}, message: ${err.message}`);
+})
 ```
 
 ### getOutputDevice<sup>10+</sup>
@@ -2602,13 +2726,15 @@ getOutputDevice(callback: AsyncCallback\<OutputDeviceInfo>): void
 
 **示例：**
 
-```js
-currentAVSession.getOutputDevice(function (err, outputDeviceInfo) {
-    if (err) {
-        console.error(`GetOutputDevice BusinessError: code: ${err.code}, message: ${err.message}`);
-    } else {
-        console.info(`GetOutputDevice : SUCCESS : isRemote : ${outputDeviceInfo.isRemote}`);
-    }
+```ts
+import { BusinessError } from '@ohos.base';
+
+currentAVSession.getOutputDevice((err: BusinessError, outputDeviceInfo: avSession.OutputDeviceInfo) => {
+  if (err) {
+    console.error(`GetOutputDevice BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    console.info(`GetOutputDevice : SUCCESS : isRemote : ${outputDeviceInfo.isRemote}`);
+  }
 });
 ```
 
@@ -2636,11 +2762,13 @@ activate(): Promise\<void>
 
 **示例：**
 
-```js
+```ts
+import { BusinessError } from '@ohos.base';
+
 currentAVSession.activate().then(() => {
-    console.info(`Activate : SUCCESS `);
-}).catch((err) => {
-    console.error(`Activate BusinessError: code: ${err.code}, message: ${err.message}`);
+  console.info(`Activate : SUCCESS `);
+}).catch((err: BusinessError) => {
+  console.error(`Activate BusinessError: code: ${err.code}, message: ${err.message}`);
 });
 ```
 
@@ -2668,13 +2796,15 @@ activate(callback: AsyncCallback\<void>): void
 
 **示例：**
 
-```js
-currentAVSession.activate(function (err) {
-    if (err) {
-        console.error(`Activate BusinessError: code: ${err.code}, message: ${err.message}`);
-    } else {
-        console.info(`Activate : SUCCESS `);
-    }
+```ts
+import { BusinessError } from '@ohos.base';
+
+currentAVSession.activate((err: BusinessError) => {
+  if (err) {
+    console.error(`Activate BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    console.info(`Activate : SUCCESS `);
+  }
 });
 ```
 
@@ -2702,11 +2832,13 @@ deactivate(): Promise\<void>
 
 **示例：**
 
-```js
+```ts
+import { BusinessError } from '@ohos.base';
+
 currentAVSession.deactivate().then(() => {
-    console.info(`Deactivate : SUCCESS `);
-}).catch((err) => {
-    console.error(`Deactivate BusinessError: code: ${err.code}, message: ${err.message}`);
+  console.info(`Deactivate : SUCCESS `);
+}).catch((err: BusinessError) => {
+  console.error(`Deactivate BusinessError: code: ${err.code}, message: ${err.message}`);
 });
 ```
 
@@ -2736,13 +2868,15 @@ deactivate(callback: AsyncCallback\<void>): void
 
 **示例：**
 
-```js
-currentAVSession.deactivate(function (err) {
-    if (err) {
-        console.error(`Deactivate BusinessError: code: ${err.code}, message: ${err.message}`);
-    } else {
-        console.info(`Deactivate : SUCCESS `);
-    }
+```ts
+import { BusinessError } from '@ohos.base';
+
+currentAVSession.deactivate((err: BusinessError) => {
+  if (err) {
+    console.error(`Deactivate BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    console.info(`Deactivate : SUCCESS `);
+  }
 });
 ```
 
@@ -2770,11 +2904,13 @@ destroy(): Promise\<void>
 
 **示例：**
 
-```js
+```ts
+import { BusinessError } from '@ohos.base';
+
 currentAVSession.destroy().then(() => {
-    console.info(`Destroy : SUCCESS `);
-}).catch((err) => {
-    console.error(`Destroy BusinessError: code: ${err.code}, message: ${err.message}`);
+  console.info(`Destroy : SUCCESS `);
+}).catch((err: BusinessError) => {
+  console.error(`Destroy BusinessError: code: ${err.code}, message: ${err.message}`);
 });
 ```
 
@@ -2802,13 +2938,15 @@ destroy(callback: AsyncCallback\<void>): void
 
 **示例：**
 
-```js
-currentAVSession.destroy(function (err) {
-    if (err) {
-        console.error(`Destroy BusinessError: code: ${err.code}, message: ${err.message}`);
-    } else {
-        console.info(`Destroy : SUCCESS `);
-    }
+```ts
+import { BusinessError } from '@ohos.base';
+
+currentAVSession.destroy((err: BusinessError) => {
+  if (err) {
+    console.error(`Destroy BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    console.info(`Destroy : SUCCESS `);
+  }
 });
 ```
 
@@ -2837,9 +2975,9 @@ on(type: 'play', callback: () => void): void
 
 **示例：**
 
-```js
+```ts
 currentAVSession.on('play', () => {
-    console.info(`on play entry`);
+  console.info(`on play entry`);
 });
 ```
 
@@ -2868,9 +3006,9 @@ on(type: 'pause', callback: () => void): void
 
 **示例：**
 
-```js
+```ts
 currentAVSession.on('pause', () => {
-    console.info(`on pause entry`);
+  console.info(`on pause entry`);
 });
 ```
 
@@ -2899,9 +3037,9 @@ on(type:'stop', callback: () => void): void
 
 **示例：**
 
-```js
+```ts
 currentAVSession.on('stop', () => {
-    console.info(`on stop entry`);
+  console.info(`on stop entry`);
 });
 ```
 
@@ -2930,9 +3068,9 @@ on(type:'playNext', callback: () => void): void
 
 **示例：**
 
-```js
+```ts
 currentAVSession.on('playNext', () => {
-    console.info(`on playNext entry`);
+  console.info(`on playNext entry`);
 });
 ```
 
@@ -2961,9 +3099,9 @@ on(type:'playPrevious', callback: () => void): void
 
 **示例：**
 
-```js
+```ts
 currentAVSession.on('playPrevious', () => {
-    console.info(`on playPrevious entry`);
+  console.info(`on playPrevious entry`);
 });
 ```
 
@@ -2992,9 +3130,9 @@ on(type: 'fastForward', callback: () => void): void
 
 **示例：**
 
-```js
+```ts
 currentAVSession.on('fastForward', () => {
-    console.info(`on fastForward entry`);
+  console.info(`on fastForward entry`);
 });
 ```
 
@@ -3023,9 +3161,9 @@ on(type:'rewind', callback: () => void): void
 
 **示例：**
 
-```js
+```ts
 currentAVSession.on('rewind', () => {
-    console.info(`on rewind entry`);
+  console.info(`on rewind entry`);
 });
 ```
 
@@ -3054,9 +3192,9 @@ on(type: 'seek', callback: (time: number) => void): void
 
 **示例：**
 
-```js
-currentAVSession.on('seek', (time) => {
-    console.info(`on seek entry time : ${time}`);
+```ts
+currentAVSession.on('seek', (time: number) => {
+  console.info(`on seek entry time : ${time}`);
 });
 ```
 
@@ -3085,9 +3223,9 @@ on(type: 'setSpeed', callback: (speed: number) => void): void
 
 **示例：**
 
-```js
-currentAVSession.on('setSpeed', (speed) => {
-    console.info(`on setSpeed speed : ${speed}`);
+```ts
+currentAVSession.on('setSpeed', (speed: number) => {
+  console.info(`on setSpeed speed : ${speed}`);
 });
 ```
 
@@ -3116,9 +3254,9 @@ on(type: 'setLoopMode', callback: (mode: LoopMode) => void): void
 
 **示例：**
 
-```js
-currentAVSession.on('setLoopMode', (mode) => {
-    console.info(`on setLoopMode mode : ${mode}`);
+```ts
+currentAVSession.on('setLoopMode', (mode: avSession.LoopMode) => {
+  console.info(`on setLoopMode mode : ${mode}`);
 });
 ```
 
@@ -3147,9 +3285,9 @@ on(type: 'toggleFavorite', callback: (assetId: string) => void): void
 
 **示例：**
 
-```js
-currentAVSession.on('toggleFavorite', (assetId) => {
-    console.info(`on toggleFavorite mode : ${assetId}`);
+```ts
+currentAVSession.on('toggleFavorite', (assetId: string) => {
+  console.info(`on toggleFavorite mode : ${assetId}`);
 });
 ```
 
@@ -3178,9 +3316,9 @@ on(type: 'skipToQueueItem', callback: (itemId: number) => void): void
 
 **示例：**
 
-```js
-currentAVSession.on('skipToQueueItem', (itemId) => {
-    console.info(`on skipToQueueItem id : ${itemId}`);
+```ts
+currentAVSession.on('skipToQueueItem', (itemId: number) => {
+  console.info(`on skipToQueueItem id : ${itemId}`);
 });
 ```
 
@@ -3209,10 +3347,13 @@ on(type: 'handleKeyEvent', callback: (event: KeyEvent) => void): void
 
 **示例：**
 
-```js
-currentAVSession.on('handleKeyEvent', (event) => {
-    console.info(`on handleKeyEvent event : ${event}`);
+```ts
+import keyEvent from '@ohos.multimodalInput.keyEvent';
+
+currentAVSession.on('handleKeyEvent', (event: keyEvent.KeyEvent) => {
+  console.info(`on handleKeyEvent event : ${event}`);
 });
+
 ```
 
 ### on('outputDeviceChange')<sup>10+</sup>
@@ -3240,9 +3381,9 @@ on(type: 'outputDeviceChange', callback: (state: ConnectionState, device: Output
 
 **示例：**
 
-```js
-currentAVSession.on('outputDeviceChange', (state, device) => {
-    console.info(`on outputDeviceChange device : ${device}`);
+```ts
+currentAVSession.on('outputDeviceChange', (state: avSession.ConnectionState, device: avSession.OutputDeviceInfo) => {
+  console.info(`on outputDeviceChange device : ${device}`);
 });
 ```
 
@@ -3271,9 +3412,22 @@ on(type: 'commonCommand', callback: (command: string, args: {[key: string]: Obje
 
 **示例：**
 
-```js
+```ts
+import { BusinessError } from '@ohos.base';
+import avSession from '@ohos.multimedia.avsession';
+let currentAVSession: avSession.AVSession;
+let tag = "createNewSession";
+let context: Context = this.context;
+
+avSession.createAVSession(context, tag, "audio", (err: BusinessError, data: avSession.AVSession) => {
+  if (err) {
+    console.info(`CreateAVSession BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    currentAVSession = data;
+  }
+});
 currentAVSession.on('commonCommand', (commonCommand, args) => {
-    console.info(`OnCommonCommand, the command is ${commonCommand}, args: ${JSON.stringify(args)}`);
+  console.info(`OnCommonCommand, the command is ${commonCommand}, args: ${JSON.stringify(args)}`);
 });
 ```
 
@@ -3302,7 +3456,7 @@ off(type: 'play', callback?: () => void): void
 
 **示例：**
 
-```js
+```ts
 currentAVSession.off('play');
 ```
 
@@ -3331,7 +3485,7 @@ off(type: 'pause', callback?: () => void): void
 
 **示例：**
 
-```js
+```ts
 currentAVSession.off('pause');
 ```
 
@@ -3360,7 +3514,7 @@ off(type: 'stop', callback?: () => void): void
 
 **示例：**
 
-```js
+```ts
 currentAVSession.off('stop');
 ```
 
@@ -3389,7 +3543,7 @@ off(type: 'playNext', callback?: () => void): void
 
 **示例：**
 
-```js
+```ts
 currentAVSession.off('playNext');
 ```
 
@@ -3418,7 +3572,7 @@ off(type: 'playPrevious', callback?: () => void): void
 
 **示例：**
 
-```js
+```ts
 currentAVSession.off('playPrevious');
 ```
 
@@ -3447,7 +3601,7 @@ off(type: 'fastForward', callback?: () => void): void
 
 **示例：**
 
-```js
+```ts
 currentAVSession.off('fastForward');
 ```
 
@@ -3476,7 +3630,7 @@ off(type: 'rewind', callback?: () => void): void
 
 **示例：**
 
-```js
+```ts
 currentAVSession.off('rewind');
 ```
 
@@ -3505,7 +3659,7 @@ off(type: 'seek', callback?: (time: number) => void): void
 
 **示例：**
 
-```js
+```ts
 currentAVSession.off('seek');
 ```
 
@@ -3534,7 +3688,7 @@ off(type: 'setSpeed', callback?: (speed: number) => void): void
 
 **示例：**
 
-```js
+```ts
 currentAVSession.off('setSpeed');
 ```
 
@@ -3563,7 +3717,7 @@ off(type: 'setLoopMode', callback?: (mode: LoopMode) => void): void
 
 **示例：**
 
-```js
+```ts
 currentAVSession.off('setLoopMode');
 ```
 
@@ -3592,7 +3746,7 @@ off(type: 'toggleFavorite', callback?: (assetId: string) => void): void
 
 **示例：**
 
-```js
+```ts
 currentAVSession.off('toggleFavorite');
 ```
 
@@ -3621,7 +3775,7 @@ off(type: 'skipToQueueItem', callback?: (itemId: number) => void): void
 
 **示例：**
 
-```js
+```ts
 currentAVSession.off('skipToQueueItem');
 ```
 
@@ -3650,7 +3804,7 @@ off(type: 'handleKeyEvent', callback?: (event: KeyEvent) => void): void
 
 **示例：**
 
-```js
+```ts
 currentAVSession.off('handleKeyEvent');
 ```
 
@@ -3679,7 +3833,7 @@ off(type: 'outputDeviceChange', callback?: (state: ConnectionState, device: Outp
 
 **示例：**
 
-```js
+```ts
 currentAVSession.off('outputDeviceChange');
 ```
 
@@ -3709,7 +3863,7 @@ off(type: 'commonCommand', callback?: (command: string, args: {[key:string]: Obj
 
 **示例：**
 
-```js
+```ts
 currentAVSession.off('commonCommand');
 ```
 
@@ -3736,13 +3890,15 @@ stopCasting(callback: AsyncCallback\<void>): void
 
 **示例：**
 
-```js
-currentAVSession.stopCasting(function (err) {
-    if (err) {
-        console.info(`stopCasting BusinessError: code: ${err.code}, message: ${err.message}`);
-    } else {
-        console.info(`stopCasting successfully`);
-    }
+```ts
+import { BusinessError } from '@ohos.base';
+
+currentAVSession.stopCasting((err: BusinessError) => {
+  if (err) {
+    console.info(`stopCasting BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    console.info(`stopCasting successfully`);
+  }
 });
 ```
 
@@ -3769,11 +3925,13 @@ stopCasting(): Promise\<void>
 
 **示例：**
 
-```js
+```ts
+import { BusinessError } from '@ohos.base';
+
 currentAVSession.stopCasting().then(() => {
-    console.info(`stopCasting successfully`);
-}).catch((err) => {
-    console.info(`stopCasting BusinessError: code: ${err.code}, message: ${err.message}`);
+  console.info(`stopCasting successfully`);
+}).catch((err: BusinessError) => {
+  console.info(`stopCasting BusinessError: code: ${err.code}, message: ${err.message}`);
 });
 ```
 
@@ -3837,9 +3995,9 @@ setDisplaySurface(surfaceId: string): Promise\<void>
 | 6600109  | The remote connection is not established. |
 
 **示例：**
-```js
+```ts
 aVCastController.setDisplaySurface().then(() => {
-    console.info(`setDisplaySurface : SUCCESS :`);
+  console.info(`setDisplaySurface : SUCCESS`);
 });
 ```
 
@@ -3867,13 +4025,15 @@ setDisplaySurface(surfaceId: string, callback: AsyncCallback\<void>): void
 | 6600109  | The remote connection is not established. |
 
 **示例：**
-```js
-aVCastController.setDisplaySurface(function (err, value) {
-    if (err) {
-        console.info(`setDisplaySurface BusinessError: code: ${err.code}, message: ${err.message}`);
-    } else {
-        console.info(`setDisplaySurface : SUCCESS : state : ${value}`);
-    }
+```ts
+import { BusinessError } from '@ohos.base';
+
+aVCastController.setDisplaySurface((err: BusinessError) => {
+  if (err) {
+    console.info(`setDisplaySurface BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    console.info(`setDisplaySurface : SUCCESS`);
+  }
 });
 ```
 
@@ -3900,13 +4060,15 @@ getAVPlaybackState(callback: AsyncCallback\<AVPlaybackState>): void
 
 **示例：**
 
-```js
-aVCastController.getAVPlaybackState(function (err, state) {
-    if (err) {
-        console.error(`getAVPlaybackState BusinessError: code: ${err.code}, message: ${err.message}`);
-    } else {
-        console.info(`getAVPlaybackState : SUCCESS`);
-    }
+```ts
+import { BusinessError } from '@ohos.base';
+
+aVCastController.getAVPlaybackState((err: BusinessError, state: avSession.AVPlaybackState) => {
+  if (err) {
+    console.error(`getAVPlaybackState BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    console.info(`getAVPlaybackState : SUCCESS`);
+  }
 });
 ```
 
@@ -3933,11 +4095,13 @@ getAVPlaybackState(): Promise\<AVPlaybackState>;
 
 **示例：**
 
-```js
-aVCastController.getAVPlaybackState().then((state) => {
-    console.info(`getAVPlaybackState : SUCCESS :`);
-}).catch((err) => {
-    console.error(`getAVPlaybackState BusinessError: code: ${err.code}, message: ${err.message}`);
+```ts
+import { BusinessError } from '@ohos.base';
+
+aVCastController.getAVPlaybackState().then((state: avSession.AVPlaybackState) => {
+  console.info(`getAVPlaybackState : SUCCESS`);
+}).catch((err: BusinessError) => {
+  console.error(`getAVPlaybackState BusinessError: code: ${err.code}, message: ${err.message}`);
 });
 ```
 
@@ -3973,8 +4137,11 @@ sendControlCommand(command: AVCastControlCommand): Promise\<void>
 
 **示例：**
 
-```js
-let avCommand = {command:'play'};
+```ts
+import avSession from '@ohos.multimedia.avsession';
+import { BusinessError } from '@ohos.base';
+
+let avCommand: avSession.AVCastControlCommand = {command:'play'};
 // let avCommand = {command:'pause'};
 // let avCommand = {command:'stop'};
 // let avCommand = {command:'playNext'};
@@ -3983,9 +4150,9 @@ let avCommand = {command:'play'};
 // let avCommand = {command:'rewind'};
 // let avCommand = {command:'seek', parameter:10};
 aVCastController.sendControlCommand(avCommand).then(() => {
-    console.info(`SendControlCommand successfully`);
-}).catch((err) => {
-    console.error(`SendControlCommand BusinessError: code: ${err.code}, message: ${err.message}`);
+  console.info(`SendControlCommand successfully`);
+}).catch((err: BusinessError) => {
+  console.error(`SendControlCommand BusinessError: code: ${err.code}, message: ${err.message}`);
 });
 ```
 
@@ -4016,8 +4183,11 @@ sendControlCommand(command: AVCastControlCommand, callback: AsyncCallback\<void>
 
 **示例：**
 
-```js
-let avCommand = {command:'play'};
+```ts
+import avSession from '@ohos.multimedia.avsession';
+import { BusinessError } from '@ohos.base';
+
+let avCommand: avSession.AVCastControlCommand = {command:'play'};
 // let avCommand = {command:'pause'};
 // let avCommand = {command:'stop'};
 // let avCommand = {command:'playNext'};
@@ -4025,12 +4195,12 @@ let avCommand = {command:'play'};
 // let avCommand = {command:'fastForward'};
 // let avCommand = {command:'rewind'};
 // let avCommand = {command:'seek', parameter:10};
-aVCastController.sendControlCommand(avCommand, function (err) {
-    if (err) {
-        console.error(`SendControlCommand BusinessError: code: ${err.code}, message: ${err.message}`);
-    } else {
-        console.info(`SendControlCommand successfully`);
-    }
+aVCastController.sendControlCommand(avCommand, (err: BusinessError) => {
+  if (err) {
+    console.error(`SendControlCommand BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    console.info(`SendControlCommand successfully`);
+  }
 });
 ```
 
@@ -4047,7 +4217,7 @@ prepare(item: AVQueueItem, callback: AsyncCallback\<void>): void
 | 参数名    | 类型                                  | 必填 | 说明                           |
 | ------- | ------------------------------------- | ---- | ------------------------------ |
 | item | [AVQueueItem](#avqueueitem10) | 是   | 播放列表中单项的相关属性。 |
-| callback | AsyncCallback\<void>                  | 是   | 回调函数。当命令发送成功，err为undefined，否则返回错误对象。    
+| callback | AsyncCallback\<void>                  | 是   | 回调函数。当命令发送成功，err为undefined，否则返回错误对象。 |   
 
 **错误码：**
 以下错误码的详细介绍请参见[媒体会话管理错误码](../errorcodes/errorcode-avsession.md)。
@@ -4058,13 +4228,15 @@ prepare(item: AVQueueItem, callback: AsyncCallback\<void>): void
 
 **示例：**
 
-```js
+```ts
+import avSession from '@ohos.multimedia.avsession';
+import { BusinessError } from '@ohos.base';
+
 // 设置播放参数，开始播放
-var playItem = {
-    itemId: 0,
-    description: {
-    mediaId: '12345',
-    mediaName: 'song1',
+let playItem: avSession.AVQueueItem = {
+  itemId: 0,
+  description: {
+    assetId: '12345',
     mediaType: 'AUDIO',
     mediaUri: 'http://resource1_address',
     mediaSize: 12345,
@@ -4074,13 +4246,16 @@ var playItem = {
     albumTitle: 'song1_title',
     albumCoverUri: "http://resource1_album_address",
     lyricUri: "http://resource1_lyric_address",
-    iconUri: "http://resource1_icon_address",
     appName: 'MyMusic'
-    }
+  }
 };
 // 准备播放，这个不会触发真正的播放，会进行加载和缓冲
-aVCastController.prepare(playItem, () => {
-  console.info('prepare done');
+aVCastController.prepare(playItem, (err: BusinessError) => {
+  if (err) {
+    console.error(`prepare BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    console.info(`prepare successfully`);
+  }
 });
 ```
 
@@ -4116,29 +4291,32 @@ prepare(item: AVQueueItem): Promise\<void>
 
 **示例：**
 
-```js
+```ts
+import avSession from '@ohos.multimedia.avsession';
+import { BusinessError } from '@ohos.base';
+
 // 设置播放参数，开始播放
-var playItem = {
-    itemId: 0,
-    description: {
-        mediaId: '12345',
-        mediaName: 'song1',
-        mediaType: 'AUDIO',
-        mediaUri: 'http://resource1_address',
-        mediaSize: 12345,
-        startPosition: 0,
-        duration: 0,
-        artist: 'mysong',
-        albumTitle: 'song1_title',
-        albumCoverUri: "http://resource1_album_address",
-        lyricUri: "http://resource1_lyric_address",
-        iconUri: "http://resource1_icon_address",
-        appName: 'MyMusic'
-    }
+let playItem: avSession.AVQueueItem = {
+  itemId: 0,
+  description: {
+    assetId: '12345',
+    mediaType: 'AUDIO',
+    mediaUri: 'http://resource1_address',
+    mediaSize: 12345,
+    startPosition: 0,
+    duration: 0,
+    artist: 'mysong',
+    albumTitle: 'song1_title',
+    albumCoverUri: "http://resource1_album_address",
+    lyricUri: "http://resource1_lyric_address",
+    appName: 'MyMusic'
+  }
 };
 // 准备播放，这个不会触发真正的播放，会进行加载和缓冲
-aVCastController.prepare(playItem, () => {
-    console.info('prepare done');
+aVCastController.prepare(playItem).then(() => {
+  console.info(`prepare successfully`);
+}).catch((err: BusinessError) => {
+  console.error(`prepare BusinessError: code: ${err.code}, message: ${err.message}`);
 });
 ```
 
@@ -4155,7 +4333,7 @@ start(item: AVQueueItem, callback: AsyncCallback\<void>): void
 | 参数名    | 类型                                  | 必填 | 说明                           |
 | ------- | ------------------------------------- | ---- | ------------------------------ |
 | item | [AVQueueItem](#avqueueitem10) | 是   | 播放列表中单项的相关属性。 |
-| callback | AsyncCallback\<void>                  | 是   | 回调函数。当命令发送成功，err为undefined，否则返回错误对象。    
+| callback | AsyncCallback\<void>                  | 是   | 回调函数。当命令发送成功，err为undefined，否则返回错误对象。 |   
 
 **错误码：**
 以下错误码的详细介绍请参见[媒体会话管理错误码](../errorcodes/errorcode-avsession.md)。
@@ -4166,30 +4344,35 @@ start(item: AVQueueItem, callback: AsyncCallback\<void>): void
 
 **示例：**
 
-```js
+```ts
+import avSession from '@ohos.multimedia.avsession';
+import { BusinessError } from '@ohos.base';
+
 // 设置播放参数，开始播放
-var playItem = {
-itemId: 0,
-description: {
-  mediaId: '12345',
-  mediaName: 'song1',
-  mediaType: 'AUDIO',
-  mediaUri: 'http://resource1_address',
-  mediaSize: 12345,
-  startPosition: 0,
-  duration: 0,
-  artist: 'mysong',
-  albumTitle: 'song1_title',
-  albumCoverUri: "http://resource1_album_address",
-  lyricUri: "http://resource1_lyric_address",
-  iconUri: "http://resource1_icon_address",
-  appName: 'MyMusic'
-}
+let playItem: avSession.AVQueueItem = {
+  itemId: 0,
+  description: {
+    assetId: '12345',
+    mediaType: 'AUDIO',
+    mediaUri: 'http://resource1_address',
+    mediaSize: 12345,
+    startPosition: 0,
+    duration: 0,
+    artist: 'mysong',
+    albumTitle: 'song1_title',
+    albumCoverUri: "http://resource1_album_address",
+    lyricUri: "http://resource1_lyric_address",
+    appName: 'MyMusic'
+  }
 };
 
 // 启动播放
-aVCastController.start(playItem, () => {
-  console.info('play done');
+aVCastController.start(playItem, (err: BusinessError) => {
+  if (err) {
+    console.error(`start BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    console.info(`start successfully`);
+  }
 });
 ```
 
@@ -4224,13 +4407,15 @@ start(item: AVQueueItem): Promise\<void>
 
 **示例：**
 
-```js
+```ts
+import avSession from '@ohos.multimedia.avsession';
+import { BusinessError } from '@ohos.base';
+
 // 设置播放参数，开始播放
-var playItem = {
-itemId: 0,
-description: {
-    mediaId: '12345',
-    mediaName: 'song1',
+let playItem: avSession.AVQueueItem = {
+  itemId: 0,
+  description: {
+    assetId: '12345',
     mediaType: 'AUDIO',
     mediaUri: 'http://resource1_address',
     mediaSize: 12345,
@@ -4240,15 +4425,14 @@ description: {
     albumTitle: 'song1_title',
     albumCoverUri: "http://resource1_album_address",
     lyricUri: "http://resource1_lyric_address",
-    iconUri: "http://resource1_icon_address",
     appName: 'MyMusic'
-}
+  }
 };
 // 启动播放
 aVCastController.start(playItem).then(() => {
-    console.info(`start successfully`);
-}).catch((err) => {
-    console.info(`start BusinessError: code: ${err.code}, message: ${err.message}`);
+  console.info(`start successfully`);
+}).catch((err: BusinessError) => {
+  console.info(`start BusinessError: code: ${err.code}, message: ${err.message}`);
 });
 ```
 
@@ -4275,13 +4459,15 @@ getCurrentItem(callback: AsyncCallback\<AVQueueItem>): void
 
 **示例：**
 
-```js
-aVCastController.getCurrentItem(function (err, value) {
-    if (err) {
-        console.error(`getCurrentItem BusinessError: code: ${err.code}, message: ${err.message}`);
-    } else {
-        console.info(`getCurrentItem successfully`);
-    }
+```ts
+import { BusinessError } from '@ohos.base';
+
+aVCastController.getCurrentItem((err: BusinessError, value: avSession.AVQueueItem) => {
+  if (err) {
+    console.error(`getCurrentItem BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    console.info(`getCurrentItem successfully`);
+  }
 });
 ```
 
@@ -4308,12 +4494,15 @@ getCurrentItem(): Promise\<AVQueueItem>
 
 **示例：**
 
-```js
-aVCastController.getCurrentItem().then((AVQueueItem) => {
-    console.info(`getCurrentItem successfully`);
-}).catch((err) => {
-    console.error(`getCurrentItem BusinessError: code: ${err.code}, message: ${err.message}`);
+```ts
+import { BusinessError } from '@ohos.base';
+
+aVCastController.getCurrentItem().then((value: avSession.AVQueueItem) => {
+  console.info(`getCurrentItem successfully`);
+}).catch((err: BusinessError) => {
+  console.error(`getCurrentItem BusinessError: code: ${err.code}, message: ${err.message}`);
 });
+
 ```
 
 ### on('playbackStateChange')<sup>10+</sup>
@@ -4341,14 +4530,14 @@ on(type: 'playbackStateChange', filter: Array\<keyof AVPlaybackState> | 'all', c
 
 **示例：**
 
-```js
-aVCastController.on('playbackStateChange', 'all', (playbackState) => {
-    console.info(`on playbackStateChange state : ${playbackState.state}`);
+```ts
+aVCastController.on('playbackStateChange', 'all', (playbackState: avSession.AVPlaybackState) => {
+  console.info(`on playbackStateChange state : ${playbackState.state}`);
 });
 
 let playbackFilter = ['state', 'speed', 'loopMode'];
-aVCastController.on('playbackStateChange', playbackFilter, (playbackState) => {
-    console.info(`on playbackStateChange state : ${playbackState.state}`);
+aVCastController.on('playbackStateChange', playbackFilter, (playbackState: avSession.AVPlaybackState) => {
+  console.info(`on playbackStateChange state : ${playbackState.state}`);
 });
 ```
 
@@ -4376,7 +4565,7 @@ off(type: 'playbackStateChange', callback?: (state: AVPlaybackState) => void): v
 
 **示例：**
 
-```js
+```ts
 aVCastController.off('playbackStateChange');
 ```
 
@@ -4404,9 +4593,9 @@ on(type: 'mediaItemChange', callback: Callback\<AVQueueItem>): void
 
 **示例：**
 
-```js
-aVCastController.on('mediaItemChange', (item) => {
-    console.info(`on mediaItemChange state : ${item.itemId}`);
+```ts
+aVCastController.on('mediaItemChange', (item: avSession.AVQueueItem) => {
+  console.info(`on mediaItemChange state : ${item.itemId}`);
 });
 ```
 
@@ -4433,7 +4622,7 @@ off(type: 'mediaItemChange'): void
 
 **示例：**
 
-```js
+```ts
 aVCastController.off('mediaItemChange');
 ```
 
@@ -4461,9 +4650,9 @@ on(type: 'playNext', callback: Callback\<void>): void
 
 **示例：**
 
-```js
+```ts
 aVCastController.on('playNext', () => {
-    console.info(`on playNext`);
+  console.info(`on playNext`);
 });
 ```
 
@@ -4490,7 +4679,7 @@ off(type: 'playNext'): void
 
 **示例：**
 
-```js
+```ts
 aVCastController.off('playNext');
 ```
 
@@ -4518,9 +4707,9 @@ on(type: 'playPrevious', callback: Callback\<void>): void
 
 **示例：**
 
-```js
+```ts
 aVCastController.on('playPrevious', () => {
-    console.info(`on playPrevious`);
+  console.info(`on playPrevious`);
 });
 ```
 
@@ -4547,7 +4736,7 @@ off(type: 'playPrevious'): void
 
 **示例：**
 
-```js
+```ts
 aVCastController.off('playPrevious');
 ```
 
@@ -4575,9 +4764,9 @@ on(type: 'seekDone', callback: Callback\<number>): void
 
 **示例：**
 
-```js
-aVCastController.on('seekDone', (pos) => {
-    console.info(`on seekDone pos：${pos} `);
+```ts
+aVCastController.on('seekDone', (pos: number) => {
+  console.info(`on seekDone pos：${pos} `);
 });
 ```
 
@@ -4604,7 +4793,7 @@ off(type: 'seekDone'): void
 
 **示例：**
 
-```js
+```ts
 aVCastController.off('seekDone');
 ```
 
@@ -4626,10 +4815,10 @@ on(type: 'videoSizeChange', callback: (width:number, height:number) => void): vo
 
 **示例：**
 
-```js
-aVCastController.on('videoSizeChange', (width, height) => {
-    console.info(`width ：${width} `);
-    console.info(`height：${height} `);
+```ts
+aVCastController.on('videoSizeChange', (width: number, height: number) => {
+  console.info(`width ：${width} `);
+  console.info(`height：${height} `);
 });
 ```
 
@@ -4650,7 +4839,7 @@ off(type: 'videoSizeChange'): void
 
 **示例：**
 
-```js
+```ts
 aVCastController.off('videoSizeChange');
 ```
 
@@ -4684,8 +4873,10 @@ on(type: 'error', callback: ErrorCallback): void
 
 **示例：**
 
-```js
-aVCastController.on('error', (error) => {
+```ts
+import { BusinessError } from '@ohos.base'
+
+aVCastController.on('error', (error: BusinessError) => {
   console.error('error happened,and error message is :' + error.message)
   console.error('error happened,and error code is :' + error.code)
 })
@@ -4720,7 +4911,7 @@ off(type: 'error'): void
 
 **示例：**
 
-```js
+```ts
 aVCastController.off('error')
 ```
 
@@ -4942,12 +5133,14 @@ aVCastController.off('error')
 
 
 **示例：**
-```js
-let AVSessionController;
-avSession.createController(currentAVSession.sessionId).then((controller) => {
-    AVSessionController = controller;
-}).catch((err) => {
-    console.error(`CreateController BusinessError: code: ${err.code}, message: ${err.message}`);
+```ts
+import { BusinessError } from '@ohos.base';
+
+let AVSessionController: avSession.AVSessionController;
+avSession.createController(currentAVSession.sessionId).then((controller: avSession.AVSessionController) => {
+  AVSessionController = controller;
+}).catch((err: BusinessError) => {
+  console.error(`CreateController BusinessError: code: ${err.code}, message: ${err.message}`);
 });
 ```
 
@@ -4976,13 +5169,15 @@ getAVPlaybackState(callback: AsyncCallback\<AVPlaybackState>): void
 
 **示例：**
 
-```js
-avsessionController.getAVPlaybackState(function (err, state) {
-    if (err) {
-        console.error(`getAVPlaybackState BusinessError: code: ${err.code}, message: ${err.message}`);
-    } else {
-        console.info(`getAVPlaybackState : SUCCESS`);
-    }
+```ts
+import { BusinessError } from '@ohos.base';
+
+avsessionController.getAVPlaybackState((err: BusinessError, state: avSession.AVPlaybackState) => {
+  if (err) {
+    console.error(`getAVPlaybackState BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    console.info(`getAVPlaybackState : SUCCESS`);
+  }
 });
 ```
 
@@ -5011,11 +5206,13 @@ getAVPlaybackState(): Promise\<AVPlaybackState>;
 
 **示例：**
 
-```js
-avsessionController.getAVPlaybackState().then((state) => {
-    console.info(`getAVPlaybackState : SUCCESS :`);
-}).catch((err) => {
-    console.error(`getAVPlaybackState BusinessError: code: ${err.code}, message: ${err.message}`);
+```ts
+import { BusinessError } from '@ohos.base';
+
+avsessionController.getAVPlaybackState().then((state: avSession.AVPlaybackState) => {
+  console.info(`getAVPlaybackState : SUCCESS`);
+}).catch((err: BusinessError) => {
+  console.error(`getAVPlaybackState BusinessError: code: ${err.code}, message: ${err.message}`);
 });
 ```
 
@@ -5043,11 +5240,13 @@ getAVMetadata(): Promise\<AVMetadata>
 | 6600103  | The session controller does not exist. |
 
 **示例：**
-```js
-avsessionController.getAVMetadata().then((metadata) => {
-    console.info(`GetAVMetadata : SUCCESS : assetId : ${metadata.assetId}`);
-}).catch((err) => {
-    console.error(`GetAVMetadata BusinessError: code: ${err.code}, message: ${err.message}`);
+```ts
+import { BusinessError } from '@ohos.base';
+
+avsessionController.getAVMetadata().then((metadata: avSession.AVMetadata) => {
+  console.info(`GetAVMetadata : SUCCESS : assetId : ${metadata.assetId}`);
+}).catch((err: BusinessError) => {
+  console.error(`GetAVMetadata BusinessError: code: ${err.code}, message: ${err.message}`);
 });
 ```
 
@@ -5075,13 +5274,15 @@ getAVMetadata(callback: AsyncCallback\<AVMetadata>): void
 | 6600103  | The session controller does not exist. |
 
 **示例：**
-```js
-avsessionController.getAVMetadata(function (err, metadata) {
-    if (err) {
-        console.error(`GetAVMetadata BusinessError: code: ${err.code}, message: ${err.message}`);
-    } else {
-        console.info(`GetAVMetadata : SUCCESS : assetId : ${metadata.assetId}`);
-    }
+```ts
+import { BusinessError } from '@ohos.base';
+
+avsessionController.getAVMetadata((err: BusinessError, metadata: avSession.AVMetadata) => {
+  if (err) {
+    console.error(`GetAVMetadata BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    console.info(`GetAVMetadata : SUCCESS : assetId : ${metadata.assetId}`);
+  }
 });
 ```
 
@@ -5109,11 +5310,13 @@ getAVQueueTitle(): Promise\<string>
 | 6600103  | The session controller does not exist. |
 
 **示例：**
-```js
-avsessionController.getAVQueueTitle().then((title) => {
-    console.info(`GetAVQueueTitle : SUCCESS : title : ${title}`);
-}).catch((err) => {
-    console.error(`GetAVQueueTitle BusinessError: code: ${err.code}, message: ${err.message}`);
+```ts
+import { BusinessError } from '@ohos.base';
+
+avsessionController.getAVQueueTitle().then((title: string) => {
+  console.info(`GetAVQueueTitle : SUCCESS : title : ${title}`);
+}).catch((err: BusinessError) => {
+  console.error(`GetAVQueueTitle BusinessError: code: ${err.code}, message: ${err.message}`);
 });
 ```
 
@@ -5141,13 +5344,15 @@ getAVQueueTitle(callback: AsyncCallback\<string>): void
 | 6600103  | The session controller does not exist. |
 
 **示例：**
-```js
-avsessionController.getAVQueueTitle(function (err, title) {
-    if (err) {
-        console.error(`GetAVQueueTitle BusinessError: code: ${err.code}, message: ${err.message}`);
-    } else {
-        console.info(`GetAVQueueTitle : SUCCESS : title : ${title}`);
-    }
+```ts
+import { BusinessError } from '@ohos.base';
+
+avsessionController.getAVQueueTitle((err: BusinessError, title: string) => {
+  if (err) {
+    console.error(`GetAVQueueTitle BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    console.info(`GetAVQueueTitle : SUCCESS : title : ${title}`);
+  }
 });
 ```
 
@@ -5175,11 +5380,13 @@ getAVQueueItems(): Promise\<Array\<AVQueueItem>>
 | 6600103  | The session controller does not exist. |
 
 **示例：**
-```js
-avsessionController.getAVQueueItems().then((items) => {
-    console.info(`GetAVQueueItems : SUCCESS : length : ${items.length}`);
-}).catch((err) => {
-    console.error(`GetAVQueueItems BusinessError: code: ${err.code}, message: ${err.message}`);
+```ts
+import { BusinessError } from '@ohos.base';
+
+avsessionController.getAVQueueItems().then((items: avSession.AVQueueItem[]) => {
+  console.info(`GetAVQueueItems : SUCCESS : length : ${items.length}`);
+}).catch((err: BusinessError) => {
+  console.error(`GetAVQueueItems BusinessError: code: ${err.code}, message: ${err.message}`);
 });
 ```
 
@@ -5207,13 +5414,15 @@ getAVQueueItems(callback: AsyncCallback\<Array\<AVQueueItem>>): void
 | 6600103  | The session controller does not exist. |
 
 **示例：**
-```js
-avsessionController.getAVQueueItems(function (err, items) {
-    if (err) {
-        console.error(`GetAVQueueItems BusinessError: code: ${err.code}, message: ${err.message}`);
-    } else {
-        console.info(`GetAVQueueItems : SUCCESS : length : ${items.length}`);
-    }
+```ts
+import { BusinessError } from '@ohos.base';
+
+avsessionController.getAVQueueItems((err: BusinessError, items: avSession.AVQueueItem[]) => {
+  if (err) {
+    console.error(`GetAVQueueItems BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    console.info(`GetAVQueueItems : SUCCESS : length : ${items.length}`);
+  }
 });
 ```
 
@@ -5248,12 +5457,14 @@ skipToQueueItem(itemId: number): Promise\<void>
 
 **示例：**
 
-```js
+```ts
+import { BusinessError } from '@ohos.base';
+
 let queueItemId = 0;
 avsessionController.skipToQueueItem(queueItemId).then(() => {
-    console.info(`SkipToQueueItem successfully`);
-}).catch((err) => {
-    console.error(`SkipToQueueItem BusinessError: code: ${err.code}, message: ${err.message}`);
+  console.info(`SkipToQueueItem successfully`);
+}).catch((err: BusinessError) => {
+  console.error(`SkipToQueueItem BusinessError: code: ${err.code}, message: ${err.message}`);
 });
 ```
 
@@ -5283,14 +5494,16 @@ skipToQueueItem(itemId: number, callback: AsyncCallback\<void>): void
 
 **示例：**
 
-```js
+```ts
+import { BusinessError } from '@ohos.base';
+
 let queueItemId = 0;
-avsessionController.skipToQueueItem(queueItemId, function (err) {
-    if (err) {
-        console.error(`SkipToQueueItem BusinessError: code: ${err.code}, message: ${err.message}`);
-    } else {
-        console.info(`SkipToQueueItem successfully`);
-    }
+avsessionController.skipToQueueItem(queueItemId, (err: BusinessError) => {
+  if (err) {
+    console.error(`SkipToQueueItem BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    console.info(`SkipToQueueItem successfully`);
+  }
 });
 ```
 
@@ -5318,11 +5531,13 @@ getOutputDevice(): Promise\<OutputDeviceInfo>
 | 600103  | The session controller does not exist. |
 
 **示例：**
-```js
-avsessionController.getOutputDevice().then((deviceInfo) => {
-    console.info(`GetOutputDevice : SUCCESS : isRemote : ${deviceInfo.isRemote}`);
-}).catch((err) => {
-    console.error(`GetOutputDevice BusinessError: code: ${err.code}, message: ${err.message}`);
+```ts
+import { BusinessError } from '@ohos.base';
+
+avsessionController.getOutputDevice().then((deviceInfo: avSession.OutputDeviceInfo) => {
+  console.info(`GetOutputDevice : SUCCESS`);
+}).catch((err: BusinessError) => {
+  console.error(`GetOutputDevice BusinessError: code: ${err.code}, message: ${err.message}`);
 });
 ```
 
@@ -5350,13 +5565,15 @@ getOutputDevice(callback: AsyncCallback\<OutputDeviceInfo>): void
 
 **示例：**
 
-```js
-avsessionController.getOutputDevice(function (err, deviceInfo) {
-    if (err) {
-        console.error(`GetOutputDevice BusinessError: code: ${err.code}, message: ${err.message}`);
-    } else {
-        console.info(`GetOutputDevice : SUCCESS : isRemote : ${deviceInfo.isRemote}`);
-    }
+```ts
+import { BusinessError } from '@ohos.base';
+
+avsessionController.getOutputDevice((err: BusinessError, deviceInfo: avSession.OutputDeviceInfo) => {
+  if (err) {
+    console.error(`GetOutputDevice BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    console.info(`GetOutputDevice : SUCCESS`);
+  }
 });
 ```
 
@@ -5393,14 +5610,17 @@ sendAVKeyEvent(event: KeyEvent): Promise\<void>
 
 **示例：**
 
-```js
-let keyItem = {code:0x49, pressedTime:2, deviceId:0};
-let event = {action:2, key:keyItem, keys:[keyItem]};
+```ts
+import keyEvent from '@ohos.multimodalInput.keyEvent';
+import { BusinessError } from '@ohos.base';
+
+let keyItem: keyEvent.Key = {code:0x49, pressedTime:2, deviceId:0};
+let event: keyEvent.KeyEvent = {id:1, deviceId:0, actionTime:1, screenId:1, windowId:1, action:2, key:keyItem, unicodeChar:0, keys:[keyItem], ctrlKey:false, altKey:false, shiftKey:false, logoKey:false, fnKey:false, capsLock:false, numLock:false, scrollLock:false};
 
 avsessionController.sendAVKeyEvent(event).then(() => {
-    console.info(`SendAVKeyEvent Successfully`);
-}).catch((err) => {
-    console.error(`SendAVKeyEvent BusinessError: code: ${err.code}, message: ${err.message}`);
+  console.info(`SendAVKeyEvent Successfully`);
+}).catch((err: BusinessError) => {
+  console.error(`SendAVKeyEvent BusinessError: code: ${err.code}, message: ${err.message}`);
 });
 ```
 
@@ -5432,16 +5652,19 @@ sendAVKeyEvent(event: KeyEvent, callback: AsyncCallback\<void>): void
 
 **示例：**
 
-```js
-let keyItem = {code:0x49, pressedTime:2, deviceId:0};
-let event = {action:2, key:keyItem, keys:[keyItem]};
+```ts
+import keyEvent from '@ohos.multimodalInput.keyEvent';
+import { BusinessError } from '@ohos.base';
 
-avsessionController.sendAVKeyEvent(event, function (err) {
-    if (err) {
-        console.error(`SendAVKeyEvent BusinessError: code: ${err.code}, message: ${err.message}`);
-    } else {
-        console.info(`SendAVKeyEvent Successfully`);
-    }
+let keyItem: keyEvent.Key = {code:0x49, pressedTime:2, deviceId:0};
+let event: keyEvent.KeyEvent = {id:1, deviceId:0, actionTime:1, screenId:1, windowId:1, action:2, key:keyItem, unicodeChar:0, keys:[keyItem], ctrlKey:false, altKey:false, shiftKey:false, logoKey:false, fnKey:false, capsLock:false, numLock:false, scrollLock:false};
+
+avsessionController.sendAVKeyEvent(event, (err: BusinessError) => {
+  if (err) {
+    console.error(`SendAVKeyEvent BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    console.info(`SendAVKeyEvent Successfully`);
+  }
 });
 ```
 
@@ -5470,11 +5693,13 @@ getLaunchAbility(): Promise\<WantAgent>
 
 **示例：**
 
-```js
-avsessionController.getLaunchAbility().then((agent) => {
-    console.info(`GetLaunchAbility : SUCCESS : wantAgent : ${agent}`);
-}).catch((err) => {
-    console.error(`GetLaunchAbility BusinessError: code: ${err.code}, message: ${err.message}`);
+```ts
+import { BusinessError } from '@ohos.base';
+
+avsessionController.getLaunchAbility().then((agent: object) => {
+  console.info(`GetLaunchAbility : SUCCESS : wantAgent : ${agent}`);
+}).catch((err: BusinessError) => {
+  console.error(`GetLaunchAbility BusinessError: code: ${err.code}, message: ${err.message}`);
 });
 ```
 
@@ -5503,13 +5728,15 @@ getLaunchAbility(callback: AsyncCallback\<WantAgent>): void
 
 **示例：**
 
-```js
-avsessionController.getLaunchAbility(function (err, agent) {
-    if (err) {
-        console.error(`GetLaunchAbility BusinessError: code: ${err.code}, message: ${err.message}`);
-    } else {
-        console.info(`GetLaunchAbility : SUCCESS : wantAgent : ${agent}`);
-    }
+```ts
+import { BusinessError } from '@ohos.base';
+
+avsessionController.getLaunchAbility((err: BusinessError, agent: object) => {
+  if (err) {
+    console.error(`GetLaunchAbility BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    console.info(`GetLaunchAbility : SUCCESS : wantAgent : ${agent}`);
+  }
 });
 ```
 
@@ -5537,8 +5764,8 @@ getRealPlaybackPositionSync(): number
 
 **示例：**
 
-```js
-let time = avsessionController.getRealPlaybackPositionSync();
+```ts
+let time: number = avsessionController.getRealPlaybackPositionSync();
 ```
 
 ### isActive<sup>10+</sup>
@@ -5566,11 +5793,13 @@ isActive(): Promise\<boolean>
 
 **示例：**
 
-```js
-avsessionController.isActive().then((isActive) => {
-    console.info(`IsActive : SUCCESS : isactive : ${isActive}`);
-}).catch((err) => {
-    console.error(`IsActive BusinessError: code: ${err.code}, message: ${err.message}`);
+```ts
+import { BusinessError } from '@ohos.base';
+
+avsessionController.isActive().then((isActive: boolean) => {
+  console.info(`IsActive : SUCCESS : isactive : ${isActive}`);
+}).catch((err: BusinessError) => {
+  console.error(`IsActive BusinessError: code: ${err.code}, message: ${err.message}`);
 });
 ```
 
@@ -5599,13 +5828,15 @@ isActive(callback: AsyncCallback\<boolean>): void
 
 **示例：**
 
-```js
-avsessionController.isActive(function (err, isActive) {
-    if (err) {
-        console.error(`IsActive BusinessError: code: ${err.code}, message: ${err.message}`);
-    } else {
-        console.info(`IsActive : SUCCESS : isactive : ${isActive}`);
-    }
+```ts
+import { BusinessError } from '@ohos.base';
+
+avsessionController.isActive((err: BusinessError, isActive: boolean) => {
+  if (err) {
+    console.error(`IsActive BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    console.info(`IsActive : SUCCESS : isactive : ${isActive}`);
+  }
 });
 ```
 
@@ -5633,11 +5864,13 @@ destroy(): Promise\<void>
 
 **示例：**
 
-```js
+```ts
+import { BusinessError } from '@ohos.base';
+
 avsessionController.destroy().then(() => {
-    console.info(`Destroy : SUCCESS `);
-}).catch((err) => {
-    console.error(`Destroy BusinessError: code: ${err.code}, message: ${err.message}`);
+  console.info(`Destroy : SUCCESS `);
+}).catch((err: BusinessError) => {
+  console.error(`Destroy BusinessError: code: ${err.code}, message: ${err.message}`);
 });
 ```
 
@@ -5665,13 +5898,15 @@ destroy(callback: AsyncCallback\<void>): void
 
 **示例：**
 
-```js
-avsessionController.destroy(function (err) {
-    if (err) {
-        console.error(`Destroy BusinessError: code: ${err.code}, message: ${err.message}`);
-    } else {
-        console.info(`Destroy : SUCCESS `);
-    }
+```ts
+import { BusinessError } from '@ohos.base';
+
+avsessionController.destroy((err: BusinessError) => {
+  if (err) {
+    console.error(`Destroy BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    console.info(`Destroy : SUCCESS `);
+  }
 });
 ```
 
@@ -5700,11 +5935,13 @@ getValidCommands(): Promise\<Array\<AVControlCommandType>>
 
 **示例：**
 
-```js
-avsessionController.getValidCommands.then((validCommands) => {
-    console.info(`GetValidCommands : SUCCESS : size : ${validCommands.length}`);
-}).catch((err) => {
-    console.error(`GetValidCommands BusinessError: code: ${err.code}, message: ${err.message}`);
+```ts
+import { BusinessError } from '@ohos.base';
+
+avsessionController.getValidCommands.then((validCommands: avSession.AVControlCommandType[]) => {
+  console.info(`GetValidCommands : SUCCESS : size : ${validCommands.length}`);
+}).catch((err: BusinessError) => {
+  console.error(`GetValidCommands BusinessError: code: ${err.code}, message: ${err.message}`);
 });
 ```
 
@@ -5733,13 +5970,15 @@ getValidCommands(callback: AsyncCallback\<Array\<AVControlCommandType>>): void
 
 **示例：**
 
-```js
-avsessionController.getValidCommands(function (err, validCommands) {
-    if (err) {
-        console.error(`GetValidCommands BusinessError: code: ${err.code}, message: ${err.message}`);
-    } else {
-        console.info(`GetValidCommands : SUCCESS : size : ${validCommands.length}`);
-    }
+```ts
+import { BusinessError } from '@ohos.base';
+
+avsessionController.getValidCommands((err: BusinessError, validCommands: avSession.AVControlCommandType[]) => {
+  if (err) {
+    console.error(`GetValidCommands BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    console.info(`GetValidCommands : SUCCESS : size : ${validCommands.length}`);
+  }
 });
 ```
 
@@ -5781,8 +6020,11 @@ sendControlCommand(command: AVControlCommand): Promise\<void>
 
 **示例：**
 
-```js
-let avCommand = {command:'play'};
+```ts
+import avSession from '@ohos.multimedia.avsession';
+import { BusinessError } from '@ohos.base';
+
+let avCommand: avSession.AVControlCommand = {command:'play'};
 // let avCommand = {command:'pause'};
 // let avCommand = {command:'stop'};
 // let avCommand = {command:'playNext'};
@@ -5794,9 +6036,9 @@ let avCommand = {command:'play'};
 // let avCommand = {command:'setLoopMode', parameter:avSession.LoopMode.LOOP_MODE_SINGLE};
 // let avCommand = {command:'toggleFavorite', parameter:"false"};
 avsessionController.sendControlCommand(avCommand).then(() => {
-    console.info(`SendControlCommand successfully`);
-}).catch((err) => {
-    console.error(`SendControlCommand BusinessError: code: ${err.code}, message: ${err.message}`);
+  console.info(`SendControlCommand successfully`);
+}).catch((err: BusinessError) => {
+  console.error(`SendControlCommand BusinessError: code: ${err.code}, message: ${err.message}`);
 });
 ```
 
@@ -5833,8 +6075,11 @@ sendControlCommand(command: AVControlCommand, callback: AsyncCallback\<void>): v
 
 **示例：**
 
-```js
-let avCommand = {command:'play'};
+```ts
+import avSession from '@ohos.multimedia.avsession';
+import { BusinessError } from '@ohos.base';
+
+let avCommand: avSession.AVControlCommand = {command:'play'};
 // let avCommand = {command:'pause'};
 // let avCommand = {command:'stop'};
 // let avCommand = {command:'playNext'};
@@ -5845,12 +6090,12 @@ let avCommand = {command:'play'};
 // let avCommand = {command:'setSpeed', parameter:2.6};
 // let avCommand = {command:'setLoopMode', parameter:avSession.LoopMode.LOOP_MODE_SINGLE};
 // let avCommand = {command:'toggleFavorite', parameter:"false"};
-avsessionController.sendControlCommand(avCommand, function (err) {
-    if (err) {
-        console.info(`SendControlCommand BusinessError: code: ${err.code}, message: ${err.message}`);
-    } else {
-        console.error(`SendControlCommand successfully`);
-    }
+avsessionController.sendControlCommand(avCommand, (err: BusinessError) => {
+  if (err) {
+    console.info(`SendControlCommand BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    console.error(`SendControlCommand successfully`);
+  }
 });
 ```
 
@@ -5892,13 +6137,33 @@ sendCommonCommand(command: string, args: {[key: string]: Object}): Promise\<void
 
 **示例：**
 
-```js
+```ts
+import avSession from '@ohos.multimedia.avsession';
+import { BusinessError } from '@ohos.base';
+
+let avSessionController: avSession.AVSessionController;
+let currentAVSession: avSession.AVSession;
+let tag = "createNewSession";
+let context: Context = this.context;
+
+avSession.createAVSession(context, tag, "audio", (err: BusinessError, data: avSession.AVSession) => {
+  if (err) {
+    console.info(`CreateAVSession BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    currentAVSession = data;
+  }
+});
+avSession.createController(currentAVSession.sessionId).then((controller: avSession.AVSessionController) => {
+  avSessionController = controller;
+}).catch((err: BusinessError) => {
+  console.error(`CreateController BusinessError: code: ${err.code}, message: ${err.message}`);
+});
+
 let commandName = "my_command";
-let args = {
-    command : "This is my command"
-}
-avsessionController.sendCommonCommand(commandName, args).catch((err) => {
-    console.info(`SendCommonCommand BusinessError: code: ${err.code}, message: ${err.message}`);
+avSessionController.sendCommonCommand(commandName, {command : "This is my command"}).then(() => {
+  console.info(`SendCommonCommand successfully`);
+}).catch((err: BusinessError) => {
+  console.info(`SendCommonCommand BusinessError: code: ${err.code}, message: ${err.message}`);
 })
 ```
 
@@ -5935,15 +6200,32 @@ sendCommonCommand(command: string, args: {[key: string]: Object}, callback: Asyn
 
 **示例：**
 
-```js
+```ts
+import avSession from '@ohos.multimedia.avsession';
+import { BusinessError } from '@ohos.base';
+let avSessionController: avSession.AVSessionController;
+let currentAVSession: avSession.AVSession;
+let tag = "createNewSession";
+let context: Context = this.context;
+
+avSession.createAVSession(context, tag, "audio", (err: BusinessError, data: avSession.AVSession) => {
+  if (err) {
+    console.info(`CreateAVSession BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    currentAVSession = data;
+  }
+});
+avSession.createController(currentAVSession.sessionId).then((controller: avSession.AVSessionController) => {
+  avSessionController = controller;
+}).catch((err: BusinessError) => {
+  console.error(`CreateController BusinessError: code: ${err.code}, message: ${err.message}`);
+});
+
 let commandName = "my_command";
-let args = {
-    command : "This is my command"
-}
-avsessionController.sendCommonCommand(commandName, args, (err) => {
-    if(err) {
-        console.info(`SendCommonCommand BusinessError: code: ${err.code}, message: ${err.message}`);
-    }
+avSessionController.sendCommonCommand(commandName, {command : "This is my command"}, (err: BusinessError) => {
+  if(err) {
+    console.info(`SendCommonCommand BusinessError: code: ${err.code}, message: ${err.message}`);
+  }
 })
 ```
 
@@ -5973,9 +6255,32 @@ getExtras(): Promise\<{[key: string]: Object}>
 | 6600107  | Too many commands or events. |
 
 **示例：**
-```js
-let extras = await avsessionController.getExtras().catch((err) => {
-    console.info(`getExtras BusinessError: code: ${err.code}, message: ${err.message}`);
+```ts
+import avSession from '@ohos.multimedia.avsession';
+import { BusinessError } from '@ohos.base';
+
+let avSessionController: avSession.AVSessionController;
+let currentAVSession: avSession.AVSession;
+let tag = "createNewSession";
+let context: Context = this.context;
+
+avSession.createAVSession(context, tag, "audio", (err: BusinessError, data: avSession.AVSession) => {
+  if (err) {
+    console.info(`CreateAVSession BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    currentAVSession = data;
+  }
+});
+avSession.createController(currentAVSession.sessionId).then((controller: avSession.AVSessionController) => {
+  avSessionController = controller;
+}).catch((err: BusinessError) => {
+  console.error(`CreateController BusinessError: code: ${err.code}, message: ${err.message}`);
+});
+
+avSessionController.getExtras().then((extras) => {
+  console.info(`getExtras : SUCCESS : ${extras}`);
+}).catch((err: BusinessError) => {
+  console.info(`getExtras BusinessError: code: ${err.code}, message: ${err.message}`);
 });
 ```
 
@@ -6005,13 +6310,34 @@ getExtras(callback: AsyncCallback\<{[key: string]: Object}>): void
 | 6600107  | Too many commands or events. |
 
 **示例：**
-```js
-avsessionController.getExtras(function (err, extras) {
-    if (err) {
-        console.error(`getExtras BusinessError: code: ${err.code}, message: ${err.message}`);
-    } else {
-        console.info(`getExtras : SUCCESS : assetId : ${extras}`);
-    }
+```ts
+import avSession from '@ohos.multimedia.avsession';
+import { BusinessError } from '@ohos.base';
+
+let avSessionController: avSession.AVSessionController;
+let currentAVSession: avSession.AVSession;
+let tag = "createNewSession";
+let context: Context = this.context;
+
+avSession.createAVSession(context, tag, "audio", (err: BusinessError, data: avSession.AVSession) => {
+  if (err) {
+    console.info(`CreateAVSession BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    currentAVSession = data;
+  }
+});
+avSession.createController(currentAVSession.sessionId).then((controller: avSession.AVSessionController) => {
+  avSessionController = controller;
+}).catch((err: BusinessError) => {
+  console.error(`CreateController BusinessError: code: ${err.code}, message: ${err.message}`);
+});
+
+avSessionController.getExtras((err, extras) => {
+  if (err) {
+    console.error(`getExtras BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    console.info(`getExtras : SUCCESS : ${extras}`);
+  }
 });
 ```
 
@@ -6041,15 +6367,15 @@ on(type: 'metadataChange', filter: Array\<keyof AVMetadata> | 'all', callback: (
 
 **示例：**
 
-```js
-avsessionController.on('metadataChange', 'all', (metadata) => {
-    console.info(`on metadataChange assetId : ${metadata.assetId}`);
+```ts
+avsessionController.on('metadataChange', 'all', (metadata: avSession.AVMetadata) => {
+  console.info(`on metadataChange assetId : ${metadata.assetId}`);
 });
 
-let metaFilter = ['assetId', 'title', 'description'];
-avsessionController.on('metadataChange', metaFilter, (metadata) => {
-    console.info(`on metadataChange assetId : ${metadata.assetId}`);
+avsessionController.on('metadataChange', ['assetId', 'title', 'description'], (metadata: avSession.AVMetadata) => {
+  console.info(`on metadataChange assetId : ${metadata.assetId}`);
 });
+
 ```
 
 ### off('metadataChange')<sup>10+</sup>
@@ -6077,7 +6403,7 @@ off(type: 'metadataChange', callback?: (data: AVMetadata) => void)
 
 **示例：**
 
-```js
+```ts
 avsessionController.off('metadataChange');
 ```
 
@@ -6107,14 +6433,13 @@ on(type: 'playbackStateChange', filter: Array\<keyof AVPlaybackState> | 'all', c
 
 **示例：**
 
-```js
-avsessionController.on('playbackStateChange', 'all', (playbackState) => {
-    console.info(`on playbackStateChange state : ${playbackState.state}`);
+```ts
+avsessionController.on('playbackStateChange', 'all', (playbackState: avSession.AVPlaybackState) => {
+  console.info(`on playbackStateChange state : ${playbackState.state}`);
 });
 
-let playbackFilter = ['state', 'speed', 'loopMode'];
-avsessionController.on('playbackStateChange', playbackFilter, (playbackState) => {
-    console.info(`on playbackStateChange state : ${playbackState.state}`);
+avsessionController.on('playbackStateChange', ['state', 'speed', 'loopMode'], (playbackState: avSession.AVPlaybackState) => {
+  console.info(`on playbackStateChange state : ${playbackState.state}`);
 });
 ```
 
@@ -6143,7 +6468,7 @@ off(type: 'playbackStateChange', callback?: (state: AVPlaybackState) => void)
 
 **示例：**
 
-```js
+```ts
 avsessionController.off('playbackStateChange');
 ```
 
@@ -6172,9 +6497,9 @@ on(type: 'sessionDestroy', callback: () => void)
 
 **示例：**
 
-```js
+```ts
 avsessionController.on('sessionDestroy', () => {
-    console.info(`on sessionDestroy : SUCCESS `);
+  console.info(`on sessionDestroy : SUCCESS `);
 });
 ```
 
@@ -6203,7 +6528,7 @@ off(type: 'sessionDestroy', callback?: () => void)
 
 **示例：**
 
-```js
+```ts
 avsessionController.off('sessionDestroy');
 ```
 
@@ -6232,9 +6557,9 @@ on(type: 'activeStateChange', callback: (isActive: boolean) => void)
 
 **示例：**
 
-```js
-avsessionController.on('activeStateChange', (isActive) => {
-    console.info(`on activeStateChange : SUCCESS : isActive ${isActive}`);
+```ts
+avsessionController.on('activeStateChange', (isActive: boolean) => {
+  console.info(`on activeStateChange : SUCCESS : isActive ${isActive}`);
 });
 ```
 
@@ -6263,7 +6588,7 @@ off(type: 'activeStateChange', callback?: (isActive: boolean) => void)
 
 **示例：**
 
-```js
+```ts
 avsessionController.off('activeStateChange');
 ```
 
@@ -6292,10 +6617,10 @@ on(type: 'validCommandChange', callback: (commands: Array\<AVControlCommandType>
 
 **示例：**
 
-```js
-avsessionController.on('validCommandChange', (validCommands) => {
-    console.info(`validCommandChange : SUCCESS : size : ${validCommands.size}`);
-    console.info(`validCommandChange : SUCCESS : validCommands : ${validCommands.values()}`);
+```ts
+avsessionController.on('validCommandChange', (validCommands: avSession.AVControlCommandType[]) => {
+  console.info(`validCommandChange : SUCCESS : size : ${validCommands.length}`);
+  console.info(`validCommandChange : SUCCESS : validCommands : ${validCommands.values()}`);
 });
 ```
 
@@ -6324,7 +6649,7 @@ off(type: 'validCommandChange', callback?: (commands: Array\<AVControlCommandTyp
 
 **示例：**
 
-```js
+```ts
 avsessionController.off('validCommandChange');
 ```
 
@@ -6353,9 +6678,9 @@ on(type: 'outputDeviceChange', callback: (state: ConnectionState, device: Output
 
 **示例：**
 
-```js
-avsessionController.on('outputDeviceChange', (state, device) => {
-    console.info(`on outputDeviceChange state: ${state}, device : ${device}`);
+```ts
+avsessionController.on('outputDeviceChange', (state: avSession.ConnectionState, device: avSession.OutputDeviceInfo) => {
+  console.info(`on outputDeviceChange state: ${state}, device : ${device}`);
 });
 ```
 
@@ -6384,7 +6709,7 @@ off(type: 'outputDeviceChange', callback?: (state: ConnectionState, device: Outp
 
 **示例：**
 
-```js
+```ts
 avsessionController.off('outputDeviceChange');
 ```
 
@@ -6414,9 +6739,30 @@ on(type: 'sessionEvent', callback: (sessionEvent: string, args: {[key:string]: O
 
 **示例：**
 
-```js
-avsessionController.on('sessionEvent', (sessionEvent, args) => {
-    console.info(`OnSessionEvent, sessionEvent is ${sessionEvent}, args: ${JSON.stringify(args)}`);
+```ts
+import avSession from '@ohos.multimedia.avsession';
+import { BusinessError } from '@ohos.base';
+
+let avSessionController: avSession.AVSessionController;
+let currentAVSession: avSession.AVSession;
+let tag = "createNewSession";
+let context: Context = this.context;
+
+avSession.createAVSession(context, tag, "audio", (err: BusinessError, data: avSession.AVSession) => {
+  if (err) {
+    console.info(`CreateAVSession BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    currentAVSession = data;
+  }
+});
+avSession.createController(currentAVSession.sessionId).then((controller: avSession.AVSessionController) => {
+  avSessionController = controller;
+}).catch((err: BusinessError) => {
+  console.error(`CreateController BusinessError: code: ${err.code}, message: ${err.message}`);
+});
+
+avSessionController.on('sessionEvent', (sessionEvent, args) => {
+  console.info(`OnSessionEvent, sessionEvent is ${sessionEvent}, args: ${JSON.stringify(args)}`);
 });
 ```
 
@@ -6445,7 +6791,7 @@ off(type: 'sessionEvent', callback?: (sessionEvent: string, args: {[key:string]:
 
 **示例：**
 
-```js
+```ts
 avsessionController.off('sessionEvent');
 ```
 
@@ -6474,9 +6820,9 @@ on(type: 'queueItemsChange', callback: (items: Array<[AVQueueItem](#avqueueitem1
 
 **示例：**
 
-```js
-avsessionController.on('queueItemsChange', (items) => {
-    console.info(`OnQueueItemsChange, items length is ${items.length}`);
+```ts
+avsessionController.on('queueItemsChange', (items: avSession.AVQueueItem[]) => {
+  console.info(`OnQueueItemsChange, items length is ${items.length}`);
 });
 ```
 
@@ -6505,7 +6851,7 @@ off(type: 'queueItemsChange', callback?: (items: Array<[AVQueueItem](#avqueueite
 
 **示例：**
 
-```js
+```ts
 avsessionController.off('queueItemsChange');
 ```
 
@@ -6534,9 +6880,9 @@ on(type: 'queueTitleChange', callback: (title: string) => void): void
 
 **示例：**
 
-```js
-avsessionController.on('queueTitleChange', (title) => {
-    console.info(`queueTitleChange, title is ${title}`);
+```ts
+avsessionController.on('queueTitleChange', (title: string) => {
+  console.info(`queueTitleChange, title is ${title}`);
 });
 ```
 
@@ -6565,7 +6911,7 @@ off(type: 'queueTitleChange', callback?: (title: string) => void): void
 
 **示例：**
 
-```js
+```ts
 avsessionController.off('queueTitleChange');
 ```
 
@@ -6594,9 +6940,30 @@ on(type: 'extrasChange', callback: (extras: {[key:string]: Object}) => void): vo
 
 **示例：**
 
-```js
-avsessionController.on('extrasChange', (extras) => {
-    console.info(`Caught extrasChange event,the new extra is: ${JSON.stringify(extras)}`);
+```ts
+import avSession from '@ohos.multimedia.avsession';
+import { BusinessError } from '@ohos.base';
+
+let avSessionController: avSession.AVSessionController;
+let currentAVSession: avSession.AVSession;
+let tag = "createNewSession";
+let context: Context = this.context;
+
+avSession.createAVSession(context, tag, "audio", (err: BusinessError, data: avSession.AVSession) => {
+  if (err) {
+    console.info(`CreateAVSession BusinessError: code: ${err.code}, message: ${err.message}`);
+  } else {
+    currentAVSession = data;
+  }
+});
+avSession.createController(currentAVSession.sessionId).then((controller: avSession.AVSessionController) => {
+  avSessionController = controller;
+}).catch((err: BusinessError) => {
+  console.error(`CreateController BusinessError: code: ${err.code}, message: ${err.message}`);
+});
+
+avSessionController.on('extrasChange', (extras) => {
+  console.info(`Caught extrasChange event,the new extra is: ${JSON.stringify(extras)}`);
 });
 ```
 
@@ -6625,7 +6992,7 @@ off(type: 'extrasChange', callback?: (extras: {[key:string]: Object}) => void):
 
 **示例：**
 
-```js
+```ts
 avsessionController.off('extrasChange');
 ```
 
diff --git a/zh-cn/application-dev/reference/apis/js-apis-batteryStatistics.md b/zh-cn/application-dev/reference/apis/js-apis-batteryStatistics.md
index a91de5d9d68aa7659d7d85f24062f78300449ffc..04bc3142fc509ec4385373a29fedfd6dcba79183 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-batteryStatistics.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-batteryStatistics.md
@@ -42,10 +42,10 @@ getBatteryStats(): Promise<Array&lt;BatteryStatsInfo&gt;>
 
 ```js
 batteryStats.getBatteryStats()
-.then(data => {
+.then((data: batteryStats.BatteryStatsInfo[]) => {
     console.info('battery statistics info: ' + data);
 })
-.catch(err => {
+.catch((err: { code: number, message: string }) => {
     console.error('get battery statistics failed, err: ' + err);
 });
 ```
@@ -77,7 +77,7 @@ getBatteryStats(callback: AsyncCallback<Array&lt;BatteryStatsInfo&gt;>): void
 **示例：**
 
 ```js
-batteryStats.getBatteryStats((err, data) => {
+batteryStats.getBatteryStats((err: BusinessError<void>, data: batteryStats.BatteryStatsInfo[]) => {
     if (typeof err === 'undefined') {
         console.info('battery statistics info: ' + data);
     } else {
@@ -120,7 +120,7 @@ getAppPowerValue(uid: number): number
 
 ```js
 try {
-    var value = batteryStats.getAppPowerValue(10021);
+    let value = batteryStats.getAppPowerValue(10021);
     console.info('battery statistics value of app is: ' + value);
 } catch(err) {
     console.error('get battery statistics value of app failed, err: ' + err);
@@ -161,7 +161,7 @@ getAppPowerPercent(uid: number): number
 
 ```js
 try {
-    var percent = batteryStats.getAppPowerPercent(10021);
+    let percent = batteryStats.getAppPowerPercent(10021);
     console.info('battery statistics percent of app is: ' + percent);
 } catch(err) {
     console.error('get battery statistics percent of app failed, err: ' + err);
@@ -202,7 +202,7 @@ getHardwareUnitPowerValue(type: ConsumptionType): number
 
 ```js
 try {
-    var value = batteryStats.getHardwareUnitPowerValue(batteryStats.ConsumptionType.CONSUMPTION_TYPE_SCREEN);
+    let value = batteryStats.getHardwareUnitPowerValue(batteryStats.ConsumptionType.CONSUMPTION_TYPE_SCREEN);
     console.info('battery statistics value of hardware is: ' + value);
 } catch(err) {
     console.error('get battery statistics percent of hardware failed, err: ' + err);
@@ -243,7 +243,7 @@ getHardwareUnitPowerPercent(type: ConsumptionType): number
 
 ```js
 try {
-    var percent = batteryStats.getHardwareUnitPowerPercent(batteryStats.ConsumptionType.CONSUMPTION_TYPE_SCREEN);
+    let percent = batteryStats.getHardwareUnitPowerPercent(batteryStats.ConsumptionType.CONSUMPTION_TYPE_SCREEN);
     console.info('battery statistics percent of hardware is: ' + percent);
 } catch(err) {
     console.error('get battery statistics percent of hardware failed, err: ' + err);
diff --git a/zh-cn/application-dev/reference/apis/js-apis-camera.md b/zh-cn/application-dev/reference/apis/js-apis-camera.md
index 4cff2857d50379d842b9db94c6de81ce46c96910..898ecaaa5865735119eac5e327ff26473b7c57fd 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-camera.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-camera.md
@@ -937,7 +937,7 @@ function preLaunch(context: featureAbility.Context): void {
     cameraManager.prelaunch();
   } catch (error) {
     let err = error as BusinessError;
-    console.error(`prelaunch error. Code: ${error.code}, message: ${error.message}`);
+    console.error(`prelaunch error. Code: ${err.code}, message: ${err.message}`);
   }
 }
 ```
@@ -3195,7 +3195,14 @@ function getSupportedBeautyTypes(captureSession: camera.CaptureSession): Array<c
 
 getSupportedBeautyRange(type: BeautyType): Array\<number\>
 
-获取指定美颜效果的范围值。
+获取指定美颜效果的范围值。在不同设备返回的美颜强度有所不同，下表仅做示例。
+
+| 传入参数           | 示例返回值    | 返回值说明     |
+| ----------------| ----  | ---------|
+| AUTO           | [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10]     |美颜类型为自动时支持的美颜强度，0表明关闭美颜，其余正值表明自动的美颜强度。    |
+| SKIN_SMOOTH    | [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10]     | 美颜类型为光滑时支持的美颜强度，0表明关闭光滑，其余正值表明光滑的美颜强度。    |
+| FACE_SLENDER   | [0, 1, 2, 3, 4, 5]      | 美颜类型为瘦脸时支持的美颜强度，0表明关闭瘦脸，其余正值表明瘦脸的美颜强度。   |
+| SKIN_TONE      | [-1, 16242611]      | 美颜类型为美肤时支持的美颜强度，-1表明关闭美肤，其余非负值为使用RGB表示的美肤美颜强度，<br> 16242611转化为16进制为0xF7D7B3，F7为R通道值，D7为G通道值，B3位B通道值。    |
 
 **系统接口：** 此接口为系统接口。
 
@@ -3238,7 +3245,7 @@ function getSupportedBeautyRange(captureSession: camera.CaptureSession): Array<n
 
 setBeauty(type: BeautyType, value: number): void
 
-设置美颜类型以及对应的美颜强度
+设置美颜类型以及对应的美颜强度。将通过[getSupportedBeautyTypes](#getsupportedbeautytypes)获取得到的[BeautyType](#beautytype)都关闭，表明当前美颜关闭；若有一种美颜类型未关闭，表明当前美颜打开。
 
 **系统接口：** 此接口为系统接口。
 
diff --git a/zh-cn/application-dev/reference/apis/js-apis-cert.md b/zh-cn/application-dev/reference/apis/js-apis-cert.md
index f1416e519253ca7c5bec6186fb4377d9fb6c98a8..e7ac1f14987d83b1a4583baa1c1bf26c4f58403d 100755
--- a/zh-cn/application-dev/reference/apis/js-apis-cert.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-cert.md
@@ -4,14 +4,13 @@
 
 > **说明：**
 >
-> - 本模块首批接口从API version 9开始支持。后续版本的新增接口，采用上角标单独标记接口的起始版本。
-> - 以下示例代码片段仅适用于JS语言开发。
+> 本模块首批接口从API version 9开始支持。后续版本的新增接口，采用上角标单独标记接口的起始版本。
 
 ## 导入模块
 
-```javascript
-import cryptoCert from '@ohos.security.cert';
-import cryptoFramework from "@ohos.security.cryptoFramework"
+```ts
+import certFramework from '@ohos.security.cert';
+import cryptoFramework from '@ohos.security.cryptoFramework';
 ```
 
 ## CertResult
@@ -150,22 +149,41 @@ createX509Cert(inStream : EncodingBlob, callback : AsyncCallback\<X509Cert>) : v
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+
+// string转Uint8Array
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
+}
 
 // 证书二进制数据，需业务自行赋值
-let encodingData = null;
-let encodingBlob = {
-    data: encodingData,
-    // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_PEM
+let certData = '-----BEGIN CERTIFICATE-----\n' +
+  'MIIBHTCBwwICA+gwCgYIKoZIzj0EAwIwGjEYMBYGA1UEAwwPRXhhbXBsZSBSb290\n' +
+  'IENBMB4XDTIzMDkwNTAyNDgyMloXDTI2MDUzMTAyNDgyMlowGjEYMBYGA1UEAwwP\n' +
+  'RXhhbXBsZSBSb290IENBMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEHjG74yMI\n' +
+  'ueO7z3T+dyuEIrhxTg2fqgeNB3SGfsIXlsiUfLTatUsU0i/sePnrKglj2H8Abbx9\n' +
+  'PK0tsW/VgqwDIDAKBggqhkjOPQQDAgNJADBGAiEApVZno/Z7WyDc/muRN1y57uaY\n' +
+  'Mjrgnvp/AMdE8qmFiDwCIQCrIYdHVO1awaPgcdALZY+uLQi6mEs/oMJLUcmaag3E\n' +
+  'Qw==\n' +
+  '-----END CERTIFICATE-----\n';
+
+let encodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(certData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
 };
-cryptoCert.createX509Cert(encodingBlob, function (error, x509Cert) {
-    if (error != null) {
-        console.log("createX509Cert failed, errCode: " + error.code + ", errMsg: " + error.message);
-    } else {
-        console.log("createX509Cert success");
-    }
+
+certFramework.createX509Cert(encodingBlob, (error, x509Cert) => {
+  if (error != null) {
+    console.error('createX509Cert failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+  } else {
+    console.log('createX509Cert success');
+  }
 });
 ```
 
@@ -197,20 +215,40 @@ createX509Cert(inStream : EncodingBlob) : Promise\<X509Cert>
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+import { BusinessError } from '@ohos.base';
+
+// string转Uint8Array
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
+}
 
 // 证书二进制数据，需业务自行赋值
-let encodingData = null;
-let encodingBlob = {
-    data: encodingData,
-    // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_PEM
+let certData = '-----BEGIN CERTIFICATE-----\n' +
+  'MIIBHTCBwwICA+gwCgYIKoZIzj0EAwIwGjEYMBYGA1UEAwwPRXhhbXBsZSBSb290\n' +
+  'IENBMB4XDTIzMDkwNTAyNDgyMloXDTI2MDUzMTAyNDgyMlowGjEYMBYGA1UEAwwP\n' +
+  'RXhhbXBsZSBSb290IENBMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEHjG74yMI\n' +
+  'ueO7z3T+dyuEIrhxTg2fqgeNB3SGfsIXlsiUfLTatUsU0i/sePnrKglj2H8Abbx9\n' +
+  'PK0tsW/VgqwDIDAKBggqhkjOPQQDAgNJADBGAiEApVZno/Z7WyDc/muRN1y57uaY\n' +
+  'Mjrgnvp/AMdE8qmFiDwCIQCrIYdHVO1awaPgcdALZY+uLQi6mEs/oMJLUcmaag3E\n' +
+  'Qw==\n' +
+  '-----END CERTIFICATE-----\n';
+
+let encodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(certData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
 };
-cryptoCert.createX509Cert(encodingBlob).then(x509Cert => {
-    console.log("createX509Cert success");
-}, error => {
-    console.log("createX509Cert failed, errCode: " + error.code + ", errMsg: " + error.message);
+
+certFramework.createX509Cert(encodingBlob).then(x509Cert => {
+  console.log('createX509Cert success');
+}).catch((error: BusinessError) => {
+  console.error('createX509Cert failed, errCode: ' + error.code + ', errMsg: ' + error.message);
 });
 ```
 
@@ -241,31 +279,59 @@ verify(key : cryptoFramework.PubKey, callback : AsyncCallback\<void>) : void
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+import { BusinessError } from '@ohos.base';
+
+// string转Uint8Array
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
+}
 
 // 证书二进制数据，需业务自行赋值
-let encodingData = null;
-let encodingBlob = {
-    data: encodingData,
-    // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_PEM
+let certData = '-----BEGIN CERTIFICATE-----\n' +
+  'MIIBHTCBwwICA+gwCgYIKoZIzj0EAwIwGjEYMBYGA1UEAwwPRXhhbXBsZSBSb290\n' +
+  'IENBMB4XDTIzMDkwNTAyNDgyMloXDTI2MDUzMTAyNDgyMlowGjEYMBYGA1UEAwwP\n' +
+  'RXhhbXBsZSBSb290IENBMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEHjG74yMI\n' +
+  'ueO7z3T+dyuEIrhxTg2fqgeNB3SGfsIXlsiUfLTatUsU0i/sePnrKglj2H8Abbx9\n' +
+  'PK0tsW/VgqwDIDAKBggqhkjOPQQDAgNJADBGAiEApVZno/Z7WyDc/muRN1y57uaY\n' +
+  'Mjrgnvp/AMdE8qmFiDwCIQCrIYdHVO1awaPgcdALZY+uLQi6mEs/oMJLUcmaag3E\n' +
+  'Qw==\n' +
+  '-----END CERTIFICATE-----\n';
+
+let encodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(certData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
 };
-cryptoCert.createX509Cert(encodingBlob, function (error, x509Cert) {
-    if (error != null) {
-        console.log("createX509Cert failed, errCode: " + error.code + ", errMsg: " + error.message);
-    } else {
-        console.log("createX509Cert success");
-        // 业务需通过上级X509Cert证书对象的getPublicKey获取PubKey
-		let pubKey = null;
-        x509Cert.verify(pubKey, function (error, data) {
-            if (error != null) {
-                console.log("verify failed, errCode: " + error.code + ", errMsg: " + error.message);
-            } else {
-                console.log("verify success");
-            }
-        });
+
+certFramework.createX509Cert(encodingBlob, (error, x509Cert) => {
+  if (error != null) {
+    console.error('createX509Cert failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+  } else {
+    console.log('createX509Cert success');
+
+    // 业务需通过上级X509Cert证书对象（或当前证书对象为自签名的证书）的getPublicKey获取PubKey
+    try {
+      let pubKey = x509Cert.getPublicKey();
+
+      // 验证证书签名
+      x509Cert.verify(pubKey, (err, data) => {
+        if (err == null) {
+          console.log('verify success');
+        } else {
+          console.error('verify failed, errCode: ' + err.code + ', errMsg: ' + err.message);
+        }
+      });
+    } catch (error) {
+      let e: BusinessError = error as BusinessError;
+      console.error('getPublicKey failed, errCode: ' + e.code + ', errMsg: ' + e.message);
     }
+  }
 });
 ```
 
@@ -297,27 +363,52 @@ verify(key : cryptoFramework.PubKey) : Promise\<void>
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+import { BusinessError } from '@ohos.base';
+
+// string转Uint8Array
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
+}
 
 // 证书二进制数据，需业务自行赋值
-let encodingData = null;
-let encodingBlob = {
-    data: encodingData,
-    // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_PEM
+let certData = '-----BEGIN CERTIFICATE-----\n' +
+  'MIIBHTCBwwICA+gwCgYIKoZIzj0EAwIwGjEYMBYGA1UEAwwPRXhhbXBsZSBSb290\n' +
+  'IENBMB4XDTIzMDkwNTAyNDgyMloXDTI2MDUzMTAyNDgyMlowGjEYMBYGA1UEAwwP\n' +
+  'RXhhbXBsZSBSb290IENBMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEHjG74yMI\n' +
+  'ueO7z3T+dyuEIrhxTg2fqgeNB3SGfsIXlsiUfLTatUsU0i/sePnrKglj2H8Abbx9\n' +
+  'PK0tsW/VgqwDIDAKBggqhkjOPQQDAgNJADBGAiEApVZno/Z7WyDc/muRN1y57uaY\n' +
+  'Mjrgnvp/AMdE8qmFiDwCIQCrIYdHVO1awaPgcdALZY+uLQi6mEs/oMJLUcmaag3E\n' +
+  'Qw==\n' +
+  '-----END CERTIFICATE-----\n';
+
+let encodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(certData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
 };
-cryptoCert.createX509Cert(encodingBlob).then(x509Cert => {
-    console.log("createX509Cert success");
-    // 业务可通过上级X509Cert证书对象的getPublicKey获取PubKey
-	let pubKey = null;
+
+certFramework.createX509Cert(encodingBlob).then(x509Cert => {
+  console.log('createX509Cert success');
+
+  try {
+    // 业务需通过上级X509Cert证书对象（或当前证书对象为自签名的证书）的getPublicKey获取PubKey
+    let pubKey = x509Cert.getPublicKey();
     x509Cert.verify(pubKey).then(result => {
-        console.log("verify success");
-    }, error => {
-        console.log("verify failed, errCode: " + error.code + ", errMsg: " + error.message);
+      console.log('verify success');
+    }).catch((error: BusinessError) => {
+      console.error('verify failed, errCode: ' + error.code + ', errMsg: ' + error.message);
     });
-}, error => {
-    console.log("createX509Cert failed, errCode: " + error.code + ", errMsg: " + error.message);
+  } catch (err) {
+    console.error('get public key failed');
+  }
+}).catch((error: BusinessError) => {
+  console.error('createX509Cert failed, errCode: ' + error.code + ', errMsg: ' + error.message);
 });
 ```
 
@@ -345,29 +436,48 @@ getEncoded(callback : AsyncCallback\<EncodingBlob>) : void
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+
+// string转Uint8Array
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
+}
 
 // 证书二进制数据，需业务自行赋值
-let encodingData = null;
-let encodingBlob = {
-    data: encodingData,
-    // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_PEM
+let certData = '-----BEGIN CERTIFICATE-----\n' +
+  'MIIBHTCBwwICA+gwCgYIKoZIzj0EAwIwGjEYMBYGA1UEAwwPRXhhbXBsZSBSb290\n' +
+  'IENBMB4XDTIzMDkwNTAyNDgyMloXDTI2MDUzMTAyNDgyMlowGjEYMBYGA1UEAwwP\n' +
+  'RXhhbXBsZSBSb290IENBMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEHjG74yMI\n' +
+  'ueO7z3T+dyuEIrhxTg2fqgeNB3SGfsIXlsiUfLTatUsU0i/sePnrKglj2H8Abbx9\n' +
+  'PK0tsW/VgqwDIDAKBggqhkjOPQQDAgNJADBGAiEApVZno/Z7WyDc/muRN1y57uaY\n' +
+  'Mjrgnvp/AMdE8qmFiDwCIQCrIYdHVO1awaPgcdALZY+uLQi6mEs/oMJLUcmaag3E\n' +
+  'Qw==\n' +
+  '-----END CERTIFICATE-----\n';
+
+let encodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(certData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
 };
-cryptoCert.createX509Cert(encodingBlob, function (error, x509Cert) {
-    if (error != null) {
-        console.log("createX509Cert failed, errCode: " + error.code + ", errMsg: " + error.message);
-    } else {
-        console.log("createX509Cert success");
-        x509Cert.getEncoded(function (error, data) {
-           if (error != null) {
-               console.log("getEncoded failed, errCode: " + error.code + ", errMsg: " + error.message);
-           } else {
-               console.log("getEncoded success");
-           }
-        });
-    }
+
+certFramework.createX509Cert(encodingBlob, (error, x509Cert) => {
+  if (error != null) {
+    console.error('createX509Cert failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+  } else {
+    console.log('createX509Cert success');
+    x509Cert.getEncoded((error, data) => {
+      if (error != null) {
+        console.error('getEncoded failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+      } else {
+        console.log('getEncoded success');
+      }
+    });
+  }
 });
 ```
 
@@ -395,25 +505,45 @@ getEncoded() : Promise\<EncodingBlob>
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+import { BusinessError } from '@ohos.base';
+
+// string转Uint8Array
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
+}
+
+// 证书二进制数据，需业务自行赋值
+let certData = '-----BEGIN CERTIFICATE-----\n' +
+  'MIIBLzCB1QIUO/QDVJwZLIpeJyPjyTvE43xvE5cwCgYIKoZIzj0EAwIwGjEYMBYG\n' +
+  'A1UEAwwPRXhhbXBsZSBSb290IENBMB4XDTIzMDkwNDExMjAxOVoXDTI2MDUzMDEx\n' +
+  'MjAxOVowGjEYMBYGA1UEAwwPRXhhbXBsZSBSb290IENBMFkwEwYHKoZIzj0CAQYI\n' +
+  'KoZIzj0DAQcDQgAEHjG74yMIueO7z3T+dyuEIrhxTg2fqgeNB3SGfsIXlsiUfLTa\n' +
+  'tUsU0i/sePnrKglj2H8Abbx9PK0tsW/VgqwDIDAKBggqhkjOPQQDAgNJADBGAiEA\n' +
+  '0ce/fvA4tckNZeB865aOApKXKlBjiRlaiuq5mEEqvNACIQDPD9WyC21MXqPBuRUf\n' +
+  'BetUokslUfjT6+s/X4ByaxycAA==\n' +
+  '-----END CERTIFICATE-----\n';
 
 // 证书二进制数据，需业务自行赋值
-let encodingData = null;
-let encodingBlob = {
-    data: encodingData,
-    // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_PEM
+let encodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(certData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
 };
-cryptoCert.createX509Cert(encodingBlob).then(x509Cert => {
-    console.log("createX509Cert success");
-    x509Cert.getEncoded().then(result => {
-        console.log("getEncoded success");
-    }, error => {
-        console.log("getEncoded failed, errCode: " + error.code + ", errMsg: " + error.message);
-    });
-}, error => {
-    console.log("createX509Cert failed, errCode: " + error.code + ", errMsg: " + error.message);
+certFramework.createX509Cert(encodingBlob).then(x509Cert => {
+  console.log('createX509Cert success');
+  x509Cert.getEncoded().then(result => {
+    console.log('getEncoded success');
+  }).catch((error: BusinessError) => {
+    console.error('getEncoded failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+  });
+}).catch((error: BusinessError) => {
+  console.error('createX509Cert failed, errCode: ' + error.code + ', errMsg: ' + error.message);
 });
 ```
 
@@ -440,29 +570,48 @@ getPublicKey() : cryptoFramework.PubKey
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
-import cryptoFramework from "@ohos.security.cryptoFramework"
+```ts
+import certFramework from '@ohos.security.cert';
+import { BusinessError } from '@ohos.base';
+
+// string转Uint8Array
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
+}
 
 // 证书二进制数据，需业务自行赋值
-let encodingData = null;
-let encodingBlob = {
-    data: encodingData,
-    // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_PEM
+let certData = '-----BEGIN CERTIFICATE-----\n' +
+  'MIIBHTCBwwICA+gwCgYIKoZIzj0EAwIwGjEYMBYGA1UEAwwPRXhhbXBsZSBSb290\n' +
+  'IENBMB4XDTIzMDkwNTAyNDgyMloXDTI2MDUzMTAyNDgyMlowGjEYMBYGA1UEAwwP\n' +
+  'RXhhbXBsZSBSb290IENBMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEHjG74yMI\n' +
+  'ueO7z3T+dyuEIrhxTg2fqgeNB3SGfsIXlsiUfLTatUsU0i/sePnrKglj2H8Abbx9\n' +
+  'PK0tsW/VgqwDIDAKBggqhkjOPQQDAgNJADBGAiEApVZno/Z7WyDc/muRN1y57uaY\n' +
+  'Mjrgnvp/AMdE8qmFiDwCIQCrIYdHVO1awaPgcdALZY+uLQi6mEs/oMJLUcmaag3E\n' +
+  'Qw==\n' +
+  '-----END CERTIFICATE-----\n';
+
+let encodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(certData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
 };
-cryptoCert.createX509Cert(encodingBlob, function (error, x509Cert) {
-    if (error != null) {
-        console.log("createX509Cert failed, errCode: " + error.code + ", errMsg: " + error.message);
-    } else {
-        console.log("createX509Cert success");
-        let pubKey = null;
-        try {
-            pubKey = x509Cert.getPublicKey();
-        } catch (error) {
-            console.log("getPublicKey failed, errCode: " + error.code + ", errMsg: " + error.message);
-        }
+
+certFramework.createX509Cert(encodingBlob, (error, x509Cert) => {
+  if (error != null) {
+    console.error('createX509Cert failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+  } else {
+    console.log('createX509Cert success');
+    try {
+      let pubKey = x509Cert.getPublicKey();
+    } catch (error) {
+      let e: BusinessError = error as BusinessError;
+      console.error('getPublicKey failed, errCode: ' + e.code + ', errMsg: ' + e.message);
     }
+  }
 });
 ```
 
@@ -491,30 +640,51 @@ checkValidityWithDate(date: string) : void
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+import { BusinessError } from '@ohos.base';
+
+// string转Uint8Array
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
+}
 
 // 证书二进制数据，需业务自行赋值
-let encodingData = null;
-let encodingBlob = {
-    data: encodingData,
-    // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_PEM
+let certData = '-----BEGIN CERTIFICATE-----\n' +
+  'MIIBHTCBwwICA+gwCgYIKoZIzj0EAwIwGjEYMBYGA1UEAwwPRXhhbXBsZSBSb290\n' +
+  'IENBMB4XDTIzMDkwNTAyNDgyMloXDTI2MDUzMTAyNDgyMlowGjEYMBYGA1UEAwwP\n' +
+  'RXhhbXBsZSBSb290IENBMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEHjG74yMI\n' +
+  'ueO7z3T+dyuEIrhxTg2fqgeNB3SGfsIXlsiUfLTatUsU0i/sePnrKglj2H8Abbx9\n' +
+  'PK0tsW/VgqwDIDAKBggqhkjOPQQDAgNJADBGAiEApVZno/Z7WyDc/muRN1y57uaY\n' +
+  'Mjrgnvp/AMdE8qmFiDwCIQCrIYdHVO1awaPgcdALZY+uLQi6mEs/oMJLUcmaag3E\n' +
+  'Qw==\n' +
+  '-----END CERTIFICATE-----\n';
+
+let encodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(certData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
 };
-cryptoCert.createX509Cert(encodingBlob, function (error, x509Cert) {
-    if (error != null) {
-        console.log("createX509Cert failed, errCode: " + error.code + ", errMsg: " + error.message);
-    } else {
-        console.log("createX509Cert success");
-        let date = "150527000001Z";
-        
-        // 校验证书有效期
-        try {
-            x509Cert.checkValidityWithDate(date);
-        } catch (error) {
-            console.log("checkValidityWithDate failed, errCode: " + error.code + ", errMsg: " + error.message);
-        }
+
+certFramework.createX509Cert(encodingBlob, (error, x509Cert) => {
+  if (error != null) {
+    console.error('createX509Cert failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+  } else {
+    console.log('createX509Cert success');
+
+    let date = '231001000001Z';
+    // Verify the certificate validity period.
+    try {
+      x509Cert.checkValidityWithDate(date);
+    } catch (error) {
+      let e: BusinessError = error as BusinessError;
+      console.error('checkValidityWithDate failed, errCode: ' + e.code + ', errMsg: ' + e.message);
     }
+  }
 });
 ```
 
@@ -534,23 +704,41 @@ getVersion() : number
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+
+// string转Uint8Array
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
+}
 
 // 证书二进制数据，需业务自行赋值
-let encodingData = null;
-let encodingBlob = {
-    data: encodingData,
-    // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_PEM
+let certData = '-----BEGIN CERTIFICATE-----\n' +
+  'MIIBHTCBwwICA+gwCgYIKoZIzj0EAwIwGjEYMBYGA1UEAwwPRXhhbXBsZSBSb290\n' +
+  'IENBMB4XDTIzMDkwNTAyNDgyMloXDTI2MDUzMTAyNDgyMlowGjEYMBYGA1UEAwwP\n' +
+  'RXhhbXBsZSBSb290IENBMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEHjG74yMI\n' +
+  'ueO7z3T+dyuEIrhxTg2fqgeNB3SGfsIXlsiUfLTatUsU0i/sePnrKglj2H8Abbx9\n' +
+  'PK0tsW/VgqwDIDAKBggqhkjOPQQDAgNJADBGAiEApVZno/Z7WyDc/muRN1y57uaY\n' +
+  'Mjrgnvp/AMdE8qmFiDwCIQCrIYdHVO1awaPgcdALZY+uLQi6mEs/oMJLUcmaag3E\n' +
+  'Qw==\n' +
+  '-----END CERTIFICATE-----\n';
+
+let encodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(certData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
 };
-cryptoCert.createX509Cert(encodingBlob, function (error, x509Cert) {
-    if (error != null) {
-        console.log("createX509Cert failed, errCode: " + error.code + ", errMsg: " + error.message);
-    } else {
-        console.log("createX509Cert success");
-        let version = x509Cert.getVersion();
-    }
+certFramework.createX509Cert(encodingBlob, (error, x509Cert) => {
+  if (error != null) {
+    console.error('createX509Cert failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+  } else {
+    console.log('createX509Cert success');
+    let version = x509Cert.getVersion();
+  }
 });
 ```
 
@@ -574,23 +762,42 @@ getSerialNumber() : number
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+
+// string转Uint8Array
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
+}
 
 // 证书二进制数据，需业务自行赋值
-let encodingData = null;
-let encodingBlob = {
-    data: encodingData,
-    // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_PEM
+let certData = '-----BEGIN CERTIFICATE-----\n' +
+  'MIIBHTCBwwICA+gwCgYIKoZIzj0EAwIwGjEYMBYGA1UEAwwPRXhhbXBsZSBSb290\n' +
+  'IENBMB4XDTIzMDkwNTAyNDgyMloXDTI2MDUzMTAyNDgyMlowGjEYMBYGA1UEAwwP\n' +
+  'RXhhbXBsZSBSb290IENBMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEHjG74yMI\n' +
+  'ueO7z3T+dyuEIrhxTg2fqgeNB3SGfsIXlsiUfLTatUsU0i/sePnrKglj2H8Abbx9\n' +
+  'PK0tsW/VgqwDIDAKBggqhkjOPQQDAgNJADBGAiEApVZno/Z7WyDc/muRN1y57uaY\n' +
+  'Mjrgnvp/AMdE8qmFiDwCIQCrIYdHVO1awaPgcdALZY+uLQi6mEs/oMJLUcmaag3E\n' +
+  'Qw==\n' +
+  '-----END CERTIFICATE-----\n';
+
+let encodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(certData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
 };
-cryptoCert.createX509Cert(encodingBlob, function (error, x509Cert) {
-    if (error != null) {
-        console.log("createX509Cert failed, errCode: " + error.code + ", errMsg: " + error.message);
-    } else {
-        console.log("createX509Cert success");
-        let serialNumber = x509Cert.getSerialNumber();
-    }
+
+certFramework.createX509Cert(encodingBlob, (error, x509Cert) => {
+  if (error != null) {
+    console.error('createX509Cert failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+  } else {
+    console.log('createX509Cert success');
+    let serialNumber = x509Cert.getSerialNumber();
+  }
 });
 ```
 
@@ -616,23 +823,48 @@ getCertSerialNumber() : bigint
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+import { BusinessError } from '@ohos.base';
+
+// string转Uint8Array
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
+}
 
 // 证书二进制数据，需业务自行赋值
-let encodingData = null;
-let encodingBlob = {
-    data: encodingData,
-    // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_PEM
+let certData = '-----BEGIN CERTIFICATE-----\n' +
+  'MIIBHTCBwwICA+gwCgYIKoZIzj0EAwIwGjEYMBYGA1UEAwwPRXhhbXBsZSBSb290\n' +
+  'IENBMB4XDTIzMDkwNTAyNDgyMloXDTI2MDUzMTAyNDgyMlowGjEYMBYGA1UEAwwP\n' +
+  'RXhhbXBsZSBSb290IENBMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEHjG74yMI\n' +
+  'ueO7z3T+dyuEIrhxTg2fqgeNB3SGfsIXlsiUfLTatUsU0i/sePnrKglj2H8Abbx9\n' +
+  'PK0tsW/VgqwDIDAKBggqhkjOPQQDAgNJADBGAiEApVZno/Z7WyDc/muRN1y57uaY\n' +
+  'Mjrgnvp/AMdE8qmFiDwCIQCrIYdHVO1awaPgcdALZY+uLQi6mEs/oMJLUcmaag3E\n' +
+  'Qw==\n' +
+  '-----END CERTIFICATE-----\n';
+
+let encodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(certData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
 };
-cryptoCert.createX509Cert(encodingBlob, function (error, x509Cert) {
-    if (error != null) {
-        console.log("createX509Cert failed, errCode: " + error.code + ", errMsg: " + error.message);
-    } else {
-        console.log("createX509Cert success");
-        let serialNumber = x509Cert.getCertSerialNumber();
+
+certFramework.createX509Cert(encodingBlob, (error, x509Cert) => {
+  if (error != null) {
+    console.error('createX509Cert failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+  } else {
+    console.log('createX509Cert success');
+    try {
+      let serialNumber = x509Cert.getCertSerialNumber();
+    } catch (err) {
+      let e: BusinessError = err as BusinessError;
+      console.error('getCertSerialNumber failed, errCode: ' + e.code + ', errMsg: ' + e.message);
     }
+  }
 });
 ```
 
@@ -660,23 +892,48 @@ getIssuerName() : DataBlob
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+import { BusinessError } from '@ohos.base';
+
+// string转Uint8Array
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
+}
 
 // 证书二进制数据，需业务自行赋值
-let encodingData = null;
-let encodingBlob = {
-    data: encodingData,
-    // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_PEM
+let certData = '-----BEGIN CERTIFICATE-----\n' +
+  'MIIBHTCBwwICA+gwCgYIKoZIzj0EAwIwGjEYMBYGA1UEAwwPRXhhbXBsZSBSb290\n' +
+  'IENBMB4XDTIzMDkwNTAyNDgyMloXDTI2MDUzMTAyNDgyMlowGjEYMBYGA1UEAwwP\n' +
+  'RXhhbXBsZSBSb290IENBMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEHjG74yMI\n' +
+  'ueO7z3T+dyuEIrhxTg2fqgeNB3SGfsIXlsiUfLTatUsU0i/sePnrKglj2H8Abbx9\n' +
+  'PK0tsW/VgqwDIDAKBggqhkjOPQQDAgNJADBGAiEApVZno/Z7WyDc/muRN1y57uaY\n' +
+  'Mjrgnvp/AMdE8qmFiDwCIQCrIYdHVO1awaPgcdALZY+uLQi6mEs/oMJLUcmaag3E\n' +
+  'Qw==\n' +
+  '-----END CERTIFICATE-----\n';
+
+let encodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(certData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
 };
-cryptoCert.createX509Cert(encodingBlob, function (error, x509Cert) {
-    if (error != null) {
-        console.log("createX509Cert failed, errCode: " + error.code + ", errMsg: " + error.message);
-    } else {
-        console.log("createX509Cert success");
-        let issuerName = x509Cert.getIssuerName();
+
+certFramework.createX509Cert(encodingBlob, (error, x509Cert) => {
+  if (error != null) {
+    console.error('createX509Cert failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+  } else {
+    console.log('createX509Cert success');
+    try {
+      let issuerName = x509Cert.getIssuerName();
+    } catch (err) {
+      let e: BusinessError = err as BusinessError;
+      console.error('getIssuerName failed, errCode: ' + e.code + ', errMsg: ' + e.message);
     }
+  }
 });
 ```
 
@@ -704,23 +961,48 @@ getSubjectName() : DataBlob
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+import { BusinessError } from '@ohos.base';
+
+// string转Uint8Array
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
+}
 
 // 证书二进制数据，需业务自行赋值
-let encodingData = null;
-let encodingBlob = {
-    data: encodingData,
-    // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_PEM
+let certData = '-----BEGIN CERTIFICATE-----\n' +
+  'MIIBHTCBwwICA+gwCgYIKoZIzj0EAwIwGjEYMBYGA1UEAwwPRXhhbXBsZSBSb290\n' +
+  'IENBMB4XDTIzMDkwNTAyNDgyMloXDTI2MDUzMTAyNDgyMlowGjEYMBYGA1UEAwwP\n' +
+  'RXhhbXBsZSBSb290IENBMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEHjG74yMI\n' +
+  'ueO7z3T+dyuEIrhxTg2fqgeNB3SGfsIXlsiUfLTatUsU0i/sePnrKglj2H8Abbx9\n' +
+  'PK0tsW/VgqwDIDAKBggqhkjOPQQDAgNJADBGAiEApVZno/Z7WyDc/muRN1y57uaY\n' +
+  'Mjrgnvp/AMdE8qmFiDwCIQCrIYdHVO1awaPgcdALZY+uLQi6mEs/oMJLUcmaag3E\n' +
+  'Qw==\n' +
+  '-----END CERTIFICATE-----\n';
+
+let encodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(certData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
 };
-cryptoCert.createX509Cert(encodingBlob, function (error, x509Cert) {
-    if (error != null) {
-        console.log("createX509Cert failed, errCode: " + error.code + ", errMsg: " + error.message);
-    } else {
-        console.log("createX509Cert success");
-        let subjectName = x509Cert.getSubjectName();
+
+certFramework.createX509Cert(encodingBlob, (error, x509Cert) => {
+  if (error != null) {
+    console.error('createX509Cert failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+  } else {
+    console.log('createX509Cert success');
+    try {
+      let subjectName = x509Cert.getSubjectName();
+    } catch (err) {
+      let e: BusinessError = err as BusinessError;
+      console.error('getSubjectName failed, errCode: ' + e.code + ', errMsg: ' + e.message);
     }
+  }
 });
 ```
 
@@ -748,23 +1030,48 @@ getNotBeforeTime() : string
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+import { BusinessError } from '@ohos.base';
+
+// string转Uint8Array
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
+}
 
 // 证书二进制数据，需业务自行赋值
-let encodingData = null;
-let encodingBlob = {
-    data: encodingData,
-    // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_PEM
+let certData = '-----BEGIN CERTIFICATE-----\n' +
+  'MIIBHTCBwwICA+gwCgYIKoZIzj0EAwIwGjEYMBYGA1UEAwwPRXhhbXBsZSBSb290\n' +
+  'IENBMB4XDTIzMDkwNTAyNDgyMloXDTI2MDUzMTAyNDgyMlowGjEYMBYGA1UEAwwP\n' +
+  'RXhhbXBsZSBSb290IENBMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEHjG74yMI\n' +
+  'ueO7z3T+dyuEIrhxTg2fqgeNB3SGfsIXlsiUfLTatUsU0i/sePnrKglj2H8Abbx9\n' +
+  'PK0tsW/VgqwDIDAKBggqhkjOPQQDAgNJADBGAiEApVZno/Z7WyDc/muRN1y57uaY\n' +
+  'Mjrgnvp/AMdE8qmFiDwCIQCrIYdHVO1awaPgcdALZY+uLQi6mEs/oMJLUcmaag3E\n' +
+  'Qw==\n' +
+  '-----END CERTIFICATE-----\n';
+
+let encodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(certData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
 };
-cryptoCert.createX509Cert(encodingBlob, function (error, x509Cert) {
-    if (error != null) {
-        console.log("createX509Cert failed, errCode: " + error.code + ", errMsg: " + error.message);
-    } else {
-        console.log("createX509Cert success");
-        let notBefore = x509Cert.getNotBeforeTime();
+
+certFramework.createX509Cert(encodingBlob, (error, x509Cert) => {
+  if (error != null) {
+    console.error('createX509Cert failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+  } else {
+    console.log('createX509Cert success');
+    try {
+      let notBefore = x509Cert.getNotBeforeTime();
+    } catch (err) {
+      let e: BusinessError = err as BusinessError;
+      console.error('getNotBeforeTime failed, errCode: ' + e.code + ', errMsg: ' + e.message);
     }
+  }
 });
 ```
 
@@ -792,23 +1099,49 @@ getNotAfterTime() : string
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+
+import { BusinessError } from '@ohos.base';
+
+// string转Uint8Array
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
+}
 
 // 证书二进制数据，需业务自行赋值
-let encodingData = null;
-let encodingBlob = {
-    data: encodingData,
-    // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_PEM
+let certData = '-----BEGIN CERTIFICATE-----\n' +
+  'MIIBHTCBwwICA+gwCgYIKoZIzj0EAwIwGjEYMBYGA1UEAwwPRXhhbXBsZSBSb290\n' +
+  'IENBMB4XDTIzMDkwNTAyNDgyMloXDTI2MDUzMTAyNDgyMlowGjEYMBYGA1UEAwwP\n' +
+  'RXhhbXBsZSBSb290IENBMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEHjG74yMI\n' +
+  'ueO7z3T+dyuEIrhxTg2fqgeNB3SGfsIXlsiUfLTatUsU0i/sePnrKglj2H8Abbx9\n' +
+  'PK0tsW/VgqwDIDAKBggqhkjOPQQDAgNJADBGAiEApVZno/Z7WyDc/muRN1y57uaY\n' +
+  'Mjrgnvp/AMdE8qmFiDwCIQCrIYdHVO1awaPgcdALZY+uLQi6mEs/oMJLUcmaag3E\n' +
+  'Qw==\n' +
+  '-----END CERTIFICATE-----\n';
+
+let encodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(certData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
 };
-cryptoCert.createX509Cert(encodingBlob, function (error, x509Cert) {
-    if (error != null) {
-        console.log("createX509Cert failed, errCode: " + error.code + ", errMsg: " + error.message);
-    } else {
-        console.log("createX509Cert success");
-        let notAfter = x509Cert.getNotAfterTime();
+
+certFramework.createX509Cert(encodingBlob, (error, x509Cert) => {
+  if (error != null) {
+    console.error('createX509Cert failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+  } else {
+    console.log('createX509Cert success');
+    try {
+      let notAfter = x509Cert.getNotAfterTime();
+    } catch (err) {
+      let e: BusinessError = err as BusinessError;
+      console.error('getNotAfterTime failed, errCode: ' + e.code + ', errMsg: ' + e.message);
     }
+  }
 });
 ```
 
@@ -836,23 +1169,49 @@ getSignature() : DataBlob
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+
+import { BusinessError } from '@ohos.base';
+
+// string转Uint8Array
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
+}
 
 // 证书二进制数据，需业务自行赋值
-let encodingData = null;
-let encodingBlob = {
-    data: encodingData,
-    // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_PEM
+let certData = '-----BEGIN CERTIFICATE-----\n' +
+  'MIIBHTCBwwICA+gwCgYIKoZIzj0EAwIwGjEYMBYGA1UEAwwPRXhhbXBsZSBSb290\n' +
+  'IENBMB4XDTIzMDkwNTAyNDgyMloXDTI2MDUzMTAyNDgyMlowGjEYMBYGA1UEAwwP\n' +
+  'RXhhbXBsZSBSb290IENBMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEHjG74yMI\n' +
+  'ueO7z3T+dyuEIrhxTg2fqgeNB3SGfsIXlsiUfLTatUsU0i/sePnrKglj2H8Abbx9\n' +
+  'PK0tsW/VgqwDIDAKBggqhkjOPQQDAgNJADBGAiEApVZno/Z7WyDc/muRN1y57uaY\n' +
+  'Mjrgnvp/AMdE8qmFiDwCIQCrIYdHVO1awaPgcdALZY+uLQi6mEs/oMJLUcmaag3E\n' +
+  'Qw==\n' +
+  '-----END CERTIFICATE-----\n';
+
+let encodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(certData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
 };
-cryptoCert.createX509Cert(encodingBlob, function (error, x509Cert) {
-    if (error != null) {
-        console.log("createX509Cert failed, errCode: " + error.code + ", errMsg: " + error.message);
-    } else {
-        console.log("createX509Cert success");
-        let signature = x509Cert.getSignature();
+
+certFramework.createX509Cert(encodingBlob, (error, x509Cert) => {
+  if (error != null) {
+    console.error('createX509Cert failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+  } else {
+    console.log('createX509Cert success');
+    try {
+      let signature = x509Cert.getSignature();
+    } catch (err) {
+      let e: BusinessError = err as BusinessError;
+      console.error('getSignature failed, errCode: ' + e.code + ', errMsg: ' + e.message);
     }
+  }
 });
 ```
 
@@ -880,23 +1239,49 @@ getSignatureAlgName() : string
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+
+import { BusinessError } from '@ohos.base';
+
+// string转Uint8Array
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
+}
 
 // 证书二进制数据，需业务自行赋值
-let encodingData = null;
-let encodingBlob = {
-    data: encodingData,
-    // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_PEM
+let certData = '-----BEGIN CERTIFICATE-----\n' +
+  'MIIBHTCBwwICA+gwCgYIKoZIzj0EAwIwGjEYMBYGA1UEAwwPRXhhbXBsZSBSb290\n' +
+  'IENBMB4XDTIzMDkwNTAyNDgyMloXDTI2MDUzMTAyNDgyMlowGjEYMBYGA1UEAwwP\n' +
+  'RXhhbXBsZSBSb290IENBMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEHjG74yMI\n' +
+  'ueO7z3T+dyuEIrhxTg2fqgeNB3SGfsIXlsiUfLTatUsU0i/sePnrKglj2H8Abbx9\n' +
+  'PK0tsW/VgqwDIDAKBggqhkjOPQQDAgNJADBGAiEApVZno/Z7WyDc/muRN1y57uaY\n' +
+  'Mjrgnvp/AMdE8qmFiDwCIQCrIYdHVO1awaPgcdALZY+uLQi6mEs/oMJLUcmaag3E\n' +
+  'Qw==\n' +
+  '-----END CERTIFICATE-----\n';
+
+let encodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(certData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
 };
-cryptoCert.createX509Cert(encodingBlob, function (error, x509Cert) {
-    if (error != null) {
-        console.log("createX509Cert failed, errCode: " + error.code + ", errMsg: " + error.message);
-    } else {
-        console.log("createX509Cert success");
-        let sigAlgName = x509Cert.getSignatureAlgName();
+
+certFramework.createX509Cert(encodingBlob, (error, x509Cert) => {
+  if (error != null) {
+    console.error('createX509Cert failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+  } else {
+    console.log('createX509Cert success');
+    try {
+      let sigAlgName = x509Cert.getSignatureAlgName();
+    } catch (err) {
+      let e: BusinessError = err as BusinessError;
+      console.error('getSignatureAlgName failed, errCode: ' + e.code + ', errMsg: ' + e.message);
     }
+  }
 });
 ```
 
@@ -924,23 +1309,48 @@ getSignatureAlgOid() : string
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+import { BusinessError } from '@ohos.base';
+
+// string转Uint8Array
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
+}
 
 // 证书二进制数据，需业务自行赋值
-let encodingData = null;
-let encodingBlob = {
-    data: encodingData,
-    // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_PEM
+let certData = '-----BEGIN CERTIFICATE-----\n' +
+  'MIIBHTCBwwICA+gwCgYIKoZIzj0EAwIwGjEYMBYGA1UEAwwPRXhhbXBsZSBSb290\n' +
+  'IENBMB4XDTIzMDkwNTAyNDgyMloXDTI2MDUzMTAyNDgyMlowGjEYMBYGA1UEAwwP\n' +
+  'RXhhbXBsZSBSb290IENBMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEHjG74yMI\n' +
+  'ueO7z3T+dyuEIrhxTg2fqgeNB3SGfsIXlsiUfLTatUsU0i/sePnrKglj2H8Abbx9\n' +
+  'PK0tsW/VgqwDIDAKBggqhkjOPQQDAgNJADBGAiEApVZno/Z7WyDc/muRN1y57uaY\n' +
+  'Mjrgnvp/AMdE8qmFiDwCIQCrIYdHVO1awaPgcdALZY+uLQi6mEs/oMJLUcmaag3E\n' +
+  'Qw==\n' +
+  '-----END CERTIFICATE-----\n';
+
+let encodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(certData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
 };
-cryptoCert.createX509Cert(encodingBlob, function (error, x509Cert) {
-    if (error != null) {
-        console.log("createX509Cert failed, errCode: " + error.code + ", errMsg: " + error.message);
-    } else {
-        console.log("createX509Cert success");
-        let sigAlgOid = x509Cert.getSignatureAlgOid();
+
+certFramework.createX509Cert(encodingBlob, (error, x509Cert) => {
+  if (error != null) {
+    console.error('createX509Cert failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+  } else {
+    console.log('createX509Cert success');
+    try {
+      let sigAlgOid = x509Cert.getSignatureAlgOid();
+    } catch (err) {
+      let e: BusinessError = err as BusinessError;
+      console.error('getSignatureAlgOid failed, errCode: ' + e.code + ', errMsg: ' + e.message);
     }
+  }
 });
 ```
 
@@ -968,23 +1378,48 @@ getSignatureAlgParams() : DataBlob
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+import { BusinessError } from '@ohos.base';
+
+// string转Uint8Array
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
+}
 
 // 证书二进制数据，需业务自行赋值
-let encodingData = null;
-let encodingBlob = {
-    data: encodingData,
-    // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_PEM
+let certData = '-----BEGIN CERTIFICATE-----\n' +
+  'MIIBHTCBwwICA+gwCgYIKoZIzj0EAwIwGjEYMBYGA1UEAwwPRXhhbXBsZSBSb290\n' +
+  'IENBMB4XDTIzMDkwNTAyNDgyMloXDTI2MDUzMTAyNDgyMlowGjEYMBYGA1UEAwwP\n' +
+  'RXhhbXBsZSBSb290IENBMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEHjG74yMI\n' +
+  'ueO7z3T+dyuEIrhxTg2fqgeNB3SGfsIXlsiUfLTatUsU0i/sePnrKglj2H8Abbx9\n' +
+  'PK0tsW/VgqwDIDAKBggqhkjOPQQDAgNJADBGAiEApVZno/Z7WyDc/muRN1y57uaY\n' +
+  'Mjrgnvp/AMdE8qmFiDwCIQCrIYdHVO1awaPgcdALZY+uLQi6mEs/oMJLUcmaag3E\n' +
+  'Qw==\n' +
+  '-----END CERTIFICATE-----\n';
+
+let encodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(certData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
 };
-cryptoCert.createX509Cert(encodingBlob, function (error, x509Cert) {
-    if (error != null) {
-        console.log("createX509Cert failed, errCode: " + error.code + ", errMsg: " + error.message);
-    } else {
-        console.log("createX509Cert success");
-        let sigAlgParams = x509Cert.getSignatureAlgParams();
+
+certFramework.createX509Cert(encodingBlob, (error, x509Cert) => {
+  if (error != null) {
+    console.error('createX509Cert failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+  } else {
+    console.log('createX509Cert success');
+    try {
+      let sigAlgParams = x509Cert.getSignatureAlgParams();
+    } catch (err) {
+      let e: BusinessError = err as BusinessError;
+      console.error('getSignatureAlgParams failed, errCode: ' + e.code + ', errMsg: ' + e.message);
     }
+  }
 });
 ```
 
@@ -1011,23 +1446,48 @@ getKeyUsage() : DataBlob
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+import { BusinessError } from '@ohos.base';
+
+// string转Uint8Array
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
+}
 
 // 证书二进制数据，需业务自行赋值
-let encodingData = null;
-let encodingBlob = {
-    data: encodingData,
-    // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_PEM
+let certData = '-----BEGIN CERTIFICATE-----\n' +
+  'MIIBHTCBwwICA+gwCgYIKoZIzj0EAwIwGjEYMBYGA1UEAwwPRXhhbXBsZSBSb290\n' +
+  'IENBMB4XDTIzMDkwNTAyNDgyMloXDTI2MDUzMTAyNDgyMlowGjEYMBYGA1UEAwwP\n' +
+  'RXhhbXBsZSBSb290IENBMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEHjG74yMI\n' +
+  'ueO7z3T+dyuEIrhxTg2fqgeNB3SGfsIXlsiUfLTatUsU0i/sePnrKglj2H8Abbx9\n' +
+  'PK0tsW/VgqwDIDAKBggqhkjOPQQDAgNJADBGAiEApVZno/Z7WyDc/muRN1y57uaY\n' +
+  'Mjrgnvp/AMdE8qmFiDwCIQCrIYdHVO1awaPgcdALZY+uLQi6mEs/oMJLUcmaag3E\n' +
+  'Qw==\n' +
+  '-----END CERTIFICATE-----\n';
+
+let encodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(certData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
 };
-cryptoCert.createX509Cert(encodingBlob, function (error, x509Cert) {
-    if (error != null) {
-        console.log("createX509Cert failed, errCode: " + error.code + ", errMsg: " + error.message);
-    } else {
-        console.log("createX509Cert success");
-        let keyUsage = x509Cert.getKeyUsage();
+
+certFramework.createX509Cert(encodingBlob, (error, x509Cert) => {
+  if (error != null) {
+    console.error('createX509Cert failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+  } else {
+    console.log('createX509Cert success');
+    try {
+      let keyUsage = x509Cert.getKeyUsage();
+    } catch (err) {
+      let e: BusinessError = err as BusinessError;
+      console.error('getKeyUsage failed, errCode: ' + e.code + ', errMsg: ' + e.message);
     }
+  }
 });
 ```
 
@@ -1055,23 +1515,48 @@ getExtKeyUsage() : DataArray
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+import { BusinessError } from '@ohos.base';
+
+// string转Uint8Array
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
+}
 
 // 证书二进制数据，需业务自行赋值
-let encodingData = null;
-let encodingBlob = {
-    data: encodingData,
-    // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_PEM
+let certData = '-----BEGIN CERTIFICATE-----\n' +
+  'MIIBHTCBwwICA+gwCgYIKoZIzj0EAwIwGjEYMBYGA1UEAwwPRXhhbXBsZSBSb290\n' +
+  'IENBMB4XDTIzMDkwNTAyNDgyMloXDTI2MDUzMTAyNDgyMlowGjEYMBYGA1UEAwwP\n' +
+  'RXhhbXBsZSBSb290IENBMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEHjG74yMI\n' +
+  'ueO7z3T+dyuEIrhxTg2fqgeNB3SGfsIXlsiUfLTatUsU0i/sePnrKglj2H8Abbx9\n' +
+  'PK0tsW/VgqwDIDAKBggqhkjOPQQDAgNJADBGAiEApVZno/Z7WyDc/muRN1y57uaY\n' +
+  'Mjrgnvp/AMdE8qmFiDwCIQCrIYdHVO1awaPgcdALZY+uLQi6mEs/oMJLUcmaag3E\n' +
+  'Qw==\n' +
+  '-----END CERTIFICATE-----\n';
+
+let encodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(certData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
 };
-cryptoCert.createX509Cert(encodingBlob, function (error, x509Cert) {
-    if (error != null) {
-        console.log("createX509Cert failed, errCode: " + error.code + ", errMsg: " + error.message);
-    } else {
-        console.log("createX509Cert success");
-        let extKeyUsage = x509Cert.getExtKeyUsage();
+
+certFramework.createX509Cert(encodingBlob, (error, x509Cert) => {
+  if (error != null) {
+    console.error('createX509Cert failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+  } else {
+    console.log('createX509Cert success');
+    try {
+      let extKeyUsage = x509Cert.getExtKeyUsage();
+    } catch (err) {
+      let e: BusinessError = err as BusinessError;
+      console.error('getNotBeforeTime failed, errCode: ' + e.code + ', errMsg: ' + e.message);
     }
+  }
 });
 ```
 
@@ -1091,23 +1576,42 @@ getBasicConstraints() : number
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+
+// string转Uint8Array
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
+}
 
 // 证书二进制数据，需业务自行赋值
-let encodingData = null;
-let encodingBlob = {
-    data: encodingData,
-    // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_PEM
+let certData = '-----BEGIN CERTIFICATE-----\n' +
+  'MIIBHTCBwwICA+gwCgYIKoZIzj0EAwIwGjEYMBYGA1UEAwwPRXhhbXBsZSBSb290\n' +
+  'IENBMB4XDTIzMDkwNTAyNDgyMloXDTI2MDUzMTAyNDgyMlowGjEYMBYGA1UEAwwP\n' +
+  'RXhhbXBsZSBSb290IENBMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEHjG74yMI\n' +
+  'ueO7z3T+dyuEIrhxTg2fqgeNB3SGfsIXlsiUfLTatUsU0i/sePnrKglj2H8Abbx9\n' +
+  'PK0tsW/VgqwDIDAKBggqhkjOPQQDAgNJADBGAiEApVZno/Z7WyDc/muRN1y57uaY\n' +
+  'Mjrgnvp/AMdE8qmFiDwCIQCrIYdHVO1awaPgcdALZY+uLQi6mEs/oMJLUcmaag3E\n' +
+  'Qw==\n' +
+  '-----END CERTIFICATE-----\n';
+
+let encodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(certData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
 };
-cryptoCert.createX509Cert(encodingBlob, function (error, x509Cert) {
-    if (error != null) {
-        console.log("createX509Cert failed, errCode: " + error.code + ", errMsg: " + error.message);
-    } else {
-        console.log("createX509Cert success");
-        let basicConstraints = x509Cert.getBasicConstraints();
-    }
+
+certFramework.createX509Cert(encodingBlob, (error, x509Cert) => {
+  if (error != null) {
+    console.error('createX509Cert failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+  } else {
+    console.log('createX509Cert success');
+    let basicConstraints = x509Cert.getBasicConstraints();
+  }
 });
 ```
 
@@ -1135,23 +1639,48 @@ getSubjectAltNames() : DataArray
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+import { BusinessError } from '@ohos.base';
+
+// string转Uint8Array
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
+}
 
 // 证书二进制数据，需业务自行赋值
-let encodingData = null;
-let encodingBlob = {
-    data: encodingData,
-    // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_PEM
+let certData = '-----BEGIN CERTIFICATE-----\n' +
+  'MIIBHTCBwwICA+gwCgYIKoZIzj0EAwIwGjEYMBYGA1UEAwwPRXhhbXBsZSBSb290\n' +
+  'IENBMB4XDTIzMDkwNTAyNDgyMloXDTI2MDUzMTAyNDgyMlowGjEYMBYGA1UEAwwP\n' +
+  'RXhhbXBsZSBSb290IENBMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEHjG74yMI\n' +
+  'ueO7z3T+dyuEIrhxTg2fqgeNB3SGfsIXlsiUfLTatUsU0i/sePnrKglj2H8Abbx9\n' +
+  'PK0tsW/VgqwDIDAKBggqhkjOPQQDAgNJADBGAiEApVZno/Z7WyDc/muRN1y57uaY\n' +
+  'Mjrgnvp/AMdE8qmFiDwCIQCrIYdHVO1awaPgcdALZY+uLQi6mEs/oMJLUcmaag3E\n' +
+  'Qw==\n' +
+  '-----END CERTIFICATE-----\n';
+
+let encodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(certData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
 };
-cryptoCert.createX509Cert(encodingBlob, function (error, x509Cert) {
-    if (error != null) {
-        console.log("createX509Cert failed, errCode: " + error.code + ", errMsg: " + error.message);
-    } else {
-        console.log("createX509Cert success");
-        let subjectAltNames = x509Cert.getSubjectAltNames();
+
+certFramework.createX509Cert(encodingBlob, (error, x509Cert) => {
+  if (error != null) {
+    console.error('createX509Cert failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+  } else {
+    console.log('createX509Cert success');
+    try {
+      let subjectAltNames = x509Cert.getSubjectAltNames();
+    } catch (err) {
+      let e: BusinessError = err as BusinessError;
+      console.error('getSubjectAltNames failed, errCode: ' + e.code + ', errMsg: ' + e.message);
     }
+  }
 });
 ```
 
@@ -1179,23 +1708,48 @@ getIssuerAltNames() : DataArray
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+import { BusinessError } from '@ohos.base';
+
+// string转Uint8Array
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
+}
 
 // 证书二进制数据，需业务自行赋值
-let encodingData = null;
-let encodingBlob = {
-    data: encodingData,
-    // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_PEM
+let certData = '-----BEGIN CERTIFICATE-----\n' +
+  'MIIBHTCBwwICA+gwCgYIKoZIzj0EAwIwGjEYMBYGA1UEAwwPRXhhbXBsZSBSb290\n' +
+  'IENBMB4XDTIzMDkwNTAyNDgyMloXDTI2MDUzMTAyNDgyMlowGjEYMBYGA1UEAwwP\n' +
+  'RXhhbXBsZSBSb290IENBMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEHjG74yMI\n' +
+  'ueO7z3T+dyuEIrhxTg2fqgeNB3SGfsIXlsiUfLTatUsU0i/sePnrKglj2H8Abbx9\n' +
+  'PK0tsW/VgqwDIDAKBggqhkjOPQQDAgNJADBGAiEApVZno/Z7WyDc/muRN1y57uaY\n' +
+  'Mjrgnvp/AMdE8qmFiDwCIQCrIYdHVO1awaPgcdALZY+uLQi6mEs/oMJLUcmaag3E\n' +
+  'Qw==\n' +
+  '-----END CERTIFICATE-----\n';
+
+let encodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(certData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
 };
-cryptoCert.createX509Cert(encodingBlob, function (error, x509Cert) {
-    if (error != null) {
-        console.log("createX509Cert failed, errCode: " + error.code + ", errMsg: " + error.message);
-    } else {
-        console.log("createX509Cert success");
-        let issuerAltNames = x509Cert.getIssuerAltNames();
+
+certFramework.createX509Cert(encodingBlob, (error, x509Cert) => {
+  if (error != null) {
+    console.error('createX509Cert failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+  } else {
+    console.log('createX509Cert success');
+    try {
+      let issuerAltNames = x509Cert.getIssuerAltNames();
+    } catch (err) {
+      let e: BusinessError = err as BusinessError;
+      console.error('getIssuerAltNames failed, errCode: ' + e.code + ', errMsg: ' + e.message);
     }
+  }
 });
 ```
 
@@ -1223,28 +1777,53 @@ getItem(itemType: CertItemType) : DataBlob
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+import { BusinessError } from '@ohos.base';
+
+// string转Uint8Array
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
+}
 
 // 证书二进制数据，需业务自行赋值
-let encodingData = null;
-let encodingBlob = {
-    data: encodingData,
-    // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_PEM
+let certData = '-----BEGIN CERTIFICATE-----\n' +
+  'MIIBHTCBwwICA+gwCgYIKoZIzj0EAwIwGjEYMBYGA1UEAwwPRXhhbXBsZSBSb290\n' +
+  'IENBMB4XDTIzMDkwNTAyNDgyMloXDTI2MDUzMTAyNDgyMlowGjEYMBYGA1UEAwwP\n' +
+  'RXhhbXBsZSBSb290IENBMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEHjG74yMI\n' +
+  'ueO7z3T+dyuEIrhxTg2fqgeNB3SGfsIXlsiUfLTatUsU0i/sePnrKglj2H8Abbx9\n' +
+  'PK0tsW/VgqwDIDAKBggqhkjOPQQDAgNJADBGAiEApVZno/Z7WyDc/muRN1y57uaY\n' +
+  'Mjrgnvp/AMdE8qmFiDwCIQCrIYdHVO1awaPgcdALZY+uLQi6mEs/oMJLUcmaag3E\n' +
+  'Qw==\n' +
+  '-----END CERTIFICATE-----\n';
+
+let encodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(certData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
 };
-cryptoCert.createX509Cert(encodingBlob, function (error, x509Cert) {
-    if (error != null) {
-        console.log("createX509Cert failed, errCode: " + error.code + ", errMsg: " + error.message);
-    } else {
-        console.log("createX509Cert success");
-        let tbs = x509Cert.getItem(cryptoCert.CertItemType.CERT_ITEM_TYPE_TBS);
-        let pubKey = x509Cert.getItem(cryptoCert.CertItemType.CERT_ITEM_TYPE_PUBLIC_KEY);
+
+certFramework.createX509Cert(encodingBlob, (error, x509Cert) => {
+  if (error != null) {
+    console.error('createX509Cert failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+  } else {
+    console.log('createX509Cert success');
+    try {
+      let tbs = x509Cert.getItem(certFramework.CertItemType.CERT_ITEM_TYPE_TBS);
+      let pubKey = x509Cert.getItem(certFramework.CertItemType.CERT_ITEM_TYPE_PUBLIC_KEY);
+    } catch (err) {
+      let e: BusinessError = err as BusinessError;
+      console.error('getItem failed, errCode: ' + e.code + ', errMsg: ' + e.message);
     }
+  }
 });
 ```
 
-## cryptoCert.createCertExtension<sup>10+</sup> 
+## cryptoCert.createCertExtension<sup>10+</sup>
 
 createCertExtension(inStream : EncodingBlob, callback : AsyncCallback\<CertExtension>) : void
 
@@ -1267,22 +1846,34 @@ createCertExtension(inStream : EncodingBlob, callback : AsyncCallback\<CertExten
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
 
 // 证书扩展域段二进制数据，需业务自行赋值
-let encodingData = null;
-let encodingBlob = {
-    data: encodingData,
-    // 根据encodingData的格式进行赋值，仅支持FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_DER
+let extData = new Uint8Array([
+  0x30, 0x40, 0x30, 0x0F, 0x06, 0x03, 0x55, 0x1D,
+  0x13, 0x01, 0x01, 0xFF, 0x04, 0x05, 0x30, 0x03,
+  0x01, 0x01, 0xFF, 0x30, 0x0E, 0x06, 0x03, 0x55,
+  0x1D, 0x0F, 0x01, 0x01, 0xFF, 0x04, 0x04, 0x03,
+  0x02, 0x01, 0xC6, 0x30, 0x1D, 0x06, 0x03, 0x55,
+  0x1D, 0x0E, 0x04, 0x16, 0x04, 0x14, 0xE0, 0x8C,
+  0x9B, 0xDB, 0x25, 0x49, 0xB3, 0xF1, 0x7C, 0x86,
+  0xD6, 0xB2, 0x42, 0x87, 0x0B, 0xD0, 0x6B, 0xA0,
+  0xD9, 0xE4
+]);
+
+let encodingBlob: certFramework.EncodingBlob = {
+  data: extData,
+  // 根据encodingData的格式进行赋值，仅支持FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_DER
 };
-cryptoCert.createCertExtension(encodingBlob, function (error, certExt) {
-    if (error != null) {
-        console.log("createCertExtension failed, errCode: " + error.code + ", errMsg: " + error.message);
-    } else {
-        console.log("createCertExtension success");
-    }
+
+certFramework.createCertExtension(encodingBlob, (error, certExt) => {
+  if (error != null) {
+    console.error('createCertExtension failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+  } else {
+    console.log('createCertExtension success');
+  }
 });
 ```
 
@@ -1314,24 +1905,37 @@ createCertExtension(inStream : EncodingBlob) : Promise\<CertExtension>
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+import { BusinessError } from '@ohos.base';
 
 // 证书扩展域段二进制数据，需业务自行赋值
-let encodingData = null;
-let encodingBlob = {
-    data: encodingData,
-    // 根据encodingData的格式进行赋值，仅支持FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_DER
+let extData = new Uint8Array([
+  0x30, 0x40, 0x30, 0x0F, 0x06, 0x03, 0x55, 0x1D,
+  0x13, 0x01, 0x01, 0xFF, 0x04, 0x05, 0x30, 0x03,
+  0x01, 0x01, 0xFF, 0x30, 0x0E, 0x06, 0x03, 0x55,
+  0x1D, 0x0F, 0x01, 0x01, 0xFF, 0x04, 0x04, 0x03,
+  0x02, 0x01, 0xC6, 0x30, 0x1D, 0x06, 0x03, 0x55,
+  0x1D, 0x0E, 0x04, 0x16, 0x04, 0x14, 0xE0, 0x8C,
+  0x9B, 0xDB, 0x25, 0x49, 0xB3, 0xF1, 0x7C, 0x86,
+  0xD6, 0xB2, 0x42, 0x87, 0x0B, 0xD0, 0x6B, 0xA0,
+  0xD9, 0xE4
+]);
+
+let encodingBlob: certFramework.EncodingBlob = {
+  data: extData,
+  // 根据encodingData的格式进行赋值，仅支持FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_DER
 };
-cryptoCert.createCertExtension(encodingBlob).then(certExt => {
-    console.log("createCertExtension success");
-}, error => {
-    console.log("createCertExtension failed, errCode: " + error.code + ", errMsg: " + error.message);
+
+certFramework.createCertExtension(encodingBlob).then(certExt => {
+  console.log('createCertExtension success');
+}).catch((error: BusinessError) => {
+  console.error('createCertExtension failed, errCode: ' + error.code + ', errMsg: ' + error.message);
 });
 ```
 
-## CertExtension<sup>10+</sup> 
+## CertExtension<sup>10+</sup>
 
 证书扩展域段类。
 
@@ -1359,23 +1963,41 @@ getEncoded() : EncodingBlob
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+import { BusinessError } from '@ohos.base';
 
 // 证书扩展域段二进制数据，需业务自行赋值
-let encodingData = null;
-let encodingBlob = {
-    data: encodingData,
-    // 根据encodingData的格式进行赋值，仅支持FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_DER
+let extData = new Uint8Array([
+  0x30, 0x40, 0x30, 0x0F, 0x06, 0x03, 0x55, 0x1D,
+  0x13, 0x01, 0x01, 0xFF, 0x04, 0x05, 0x30, 0x03,
+  0x01, 0x01, 0xFF, 0x30, 0x0E, 0x06, 0x03, 0x55,
+  0x1D, 0x0F, 0x01, 0x01, 0xFF, 0x04, 0x04, 0x03,
+  0x02, 0x01, 0xC6, 0x30, 0x1D, 0x06, 0x03, 0x55,
+  0x1D, 0x0E, 0x04, 0x16, 0x04, 0x14, 0xE0, 0x8C,
+  0x9B, 0xDB, 0x25, 0x49, 0xB3, 0xF1, 0x7C, 0x86,
+  0xD6, 0xB2, 0x42, 0x87, 0x0B, 0xD0, 0x6B, 0xA0,
+  0xD9, 0xE4
+]);
+
+let encodingBlob: certFramework.EncodingBlob = {
+  data: extData,
+  // 根据encodingData的格式进行赋值，仅支持FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_DER
 };
-cryptoCert.createCertExtension(encodingBlob, function (error, certExt) {
-    if (error != null) {
-        console.log("createCertExtension failed, errCode: " + error.code + ", errMsg: " + error.message);
-    } else {
-        console.log("createCertExtension success");
-        let encodingBlob = certExt.getEncoded()
+
+certFramework.createCertExtension(encodingBlob, (error, certExt) => {
+  if (error != null) {
+    console.error('createCertExtension failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+  } else {
+    console.log('createCertExtension success');
+    try {
+      let extEncodedBlob = certExt.getEncoded();
+    } catch (err) {
+      let e: BusinessError = err as BusinessError;
+      console.error('ext getEncoded failed, errCode: ' + e.code + ', errMsg: ' + e.message);
     }
+  }
 });
 ```
 
@@ -1409,23 +2031,41 @@ getOidList(valueType : ExtensionOidType) : DataArray
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+import { BusinessError } from '@ohos.base';
 
 // 证书扩展域段二进制数据，需业务自行赋值
-let encodingData = null;
-let encodingBlob = {
-    data: encodingData,
-    // 根据encodingData的格式进行赋值，仅支持FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_DER
+let extData = new Uint8Array([
+  0x30, 0x40, 0x30, 0x0F, 0x06, 0x03, 0x55, 0x1D,
+  0x13, 0x01, 0x01, 0xFF, 0x04, 0x05, 0x30, 0x03,
+  0x01, 0x01, 0xFF, 0x30, 0x0E, 0x06, 0x03, 0x55,
+  0x1D, 0x0F, 0x01, 0x01, 0xFF, 0x04, 0x04, 0x03,
+  0x02, 0x01, 0xC6, 0x30, 0x1D, 0x06, 0x03, 0x55,
+  0x1D, 0x0E, 0x04, 0x16, 0x04, 0x14, 0xE0, 0x8C,
+  0x9B, 0xDB, 0x25, 0x49, 0xB3, 0xF1, 0x7C, 0x86,
+  0xD6, 0xB2, 0x42, 0x87, 0x0B, 0xD0, 0x6B, 0xA0,
+  0xD9, 0xE4
+]);
+
+let encodingBlob: certFramework.EncodingBlob = {
+  data: extData,
+  // 根据encodingData的格式进行赋值，仅支持FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_DER
 };
-cryptoCert.createCertExtension(encodingBlob, function (error, certExt) {
-    if (error != null) {
-        console.log("createCertExtension failed, errCode: " + error.code + ", errMsg: " + error.message);
-    } else {
-        console.log("createCertExtension success");
-        let oidList = certExt.getOidList(cryptoCert.ExtensionOidType.EXTENSION_OID_TYPE_ALL)
+
+certFramework.createCertExtension(encodingBlob, (error, certExt) => {
+  if (error != null) {
+    console.error('createCertExtension failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+  } else {
+    console.log('createCertExtension success');
+    try {
+      let oidList = certExt.getOidList(certFramework.ExtensionOidType.EXTENSION_OID_TYPE_ALL);
+    } catch (err) {
+      let e: BusinessError = err as BusinessError;
+      console.error('ext getOidList failed, errCode: ' + e.code + ', errMsg: ' + e.message);
     }
+  }
 });
 ```
 
@@ -1460,27 +2100,45 @@ getEntry(valueType: ExtensionEntryType, oid : DataBlob) : DataBlob
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+import { BusinessError } from '@ohos.base';
 
 // 证书扩展域段二进制数据，需业务自行赋值
-let encodingData = null;
-let encodingBlob = {
-    data: encodingData,
-    // 根据encodingData的格式进行赋值，仅支持FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_DER
+let extData = new Uint8Array([
+  0x30, 0x40, 0x30, 0x0F, 0x06, 0x03, 0x55, 0x1D,
+  0x13, 0x01, 0x01, 0xFF, 0x04, 0x05, 0x30, 0x03,
+  0x01, 0x01, 0xFF, 0x30, 0x0E, 0x06, 0x03, 0x55,
+  0x1D, 0x0F, 0x01, 0x01, 0xFF, 0x04, 0x04, 0x03,
+  0x02, 0x01, 0xC6, 0x30, 0x1D, 0x06, 0x03, 0x55,
+  0x1D, 0x0E, 0x04, 0x16, 0x04, 0x14, 0xE0, 0x8C,
+  0x9B, 0xDB, 0x25, 0x49, 0xB3, 0xF1, 0x7C, 0x86,
+  0xD6, 0xB2, 0x42, 0x87, 0x0B, 0xD0, 0x6B, 0xA0,
+  0xD9, 0xE4
+]);
+
+let encodingBlob: certFramework.EncodingBlob = {
+  data: extData,
+  // 根据encodingData的格式进行赋值，仅支持FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_DER
 };
-cryptoCert.createCertExtension(encodingBlob, function (error, certExt) {
-    if (error != null) {
-        console.log("createCertExtension failed, errCode: " + error.code + ", errMsg: " + error.message);
-    } else {
-        console.log("createCertExtension success");
-        let oid = new Uint8Array([0x31, 0x2e, 0x32, 0x2e, 0x38, 0x2e, 0x31])
-        let oidBlob = {
-            data: oid
-        }
-        let entry = certExt.getEntry(cryptoCert.ExtensionEntryType.EXTENSION_ENTRY_TYPE_ENTRY, oidBlob)
+
+certFramework.createCertExtension(encodingBlob, (error, certExt) => {
+  if (error != null) {
+    console.error('createCertExtension failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+  } else {
+    console.log('createCertExtension success');
+    let oid = new Uint8Array([0x32, 0x2e, 0x35, 0x2e, 0x32, 0x39, 0x2e, 0x31, 0x35]);
+    let oidBlob: certFramework.DataBlob = {
+      data: oid
     }
+    try {
+      let entry = certExt.getEntry(certFramework.ExtensionEntryType.EXTENSION_ENTRY_TYPE_ENTRY, oidBlob);
+    } catch (err) {
+      let e: BusinessError = err as BusinessError;
+      console.error('ext getEntry failed, errCode: ' + e.code + ', errMsg: ' + e.message);
+    }
+  }
 });
 ```
 
@@ -1509,23 +2167,40 @@ checkCA() : number
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+import { BusinessError } from '@ohos.base';
 
 // 证书扩展域段二进制数据，需业务自行赋值
-let encodingData = null;
-let encodingBlob = {
-    data: encodingData,
-    // 根据encodingData的格式进行赋值，仅支持FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_DER
+let extData = new Uint8Array([
+  0x30, 0x40, 0x30, 0x0F, 0x06, 0x03, 0x55, 0x1D,
+  0x13, 0x01, 0x01, 0xFF, 0x04, 0x05, 0x30, 0x03,
+  0x01, 0x01, 0xFF, 0x30, 0x0E, 0x06, 0x03, 0x55,
+  0x1D, 0x0F, 0x01, 0x01, 0xFF, 0x04, 0x04, 0x03,
+  0x02, 0x01, 0xC6, 0x30, 0x1D, 0x06, 0x03, 0x55,
+  0x1D, 0x0E, 0x04, 0x16, 0x04, 0x14, 0xE0, 0x8C,
+  0x9B, 0xDB, 0x25, 0x49, 0xB3, 0xF1, 0x7C, 0x86,
+  0xD6, 0xB2, 0x42, 0x87, 0x0B, 0xD0, 0x6B, 0xA0,
+  0xD9, 0xE4
+]);
+
+let encodingBlob: certFramework.EncodingBlob = {
+  data: extData,
+  // 根据encodingData的格式进行赋值，仅支持FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_DER
 };
-cryptoCert.createCertExtension(encodingBlob, function (error, certExt) {
-    if (error != null) {
-        console.log("createCertExtension failed, errCode: " + error.code + ", errMsg: " + error.message);
-    } else {
-        console.log("createCertExtension success");
-        let res = certExt.checkCA()
+certFramework.createCertExtension(encodingBlob, (error, certExt) => {
+  if (error != null) {
+    console.error('createCertExtension failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+  } else {
+    console.log('createCertExtension success');
+    try {
+      let res = certExt.checkCA();
+    } catch (err) {
+      let e: BusinessError = err as BusinessError;
+      console.error('ext checkCA failed, errCode: ' + e.code + ', errMsg: ' + e.message);
     }
+  }
 });
 ```
 
@@ -1552,22 +2227,40 @@ createX509Crl(inStream : EncodingBlob, callback : AsyncCallback\<X509Crl>) : voi
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+
+// string转Uint8Array
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
+}
+
+let crlData = '-----BEGIN X509 CRL-----\n' +
+  'MIHzMF4CAQMwDQYJKoZIhvcNAQEEBQAwFTETMBEGA1UEAxMKQ1JMIGlzc3VlchcN\n' +
+  'MTcwODA3MTExOTU1WhcNMzIxMjE0MDA1MzIwWjAVMBMCAgPoFw0zMjEyMTQwMDUz\n' +
+  'MjBaMA0GCSqGSIb3DQEBBAUAA4GBACEPHhlaCTWA42ykeaOyR0SGQIHIOUR3gcDH\n' +
+  'J1LaNwiL+gDxI9rMQmlhsUGJmPIPdRs9uYyI+f854lsWYisD2PUEpn3DbEvzwYeQ\n' +
+  '5SqQoPDoM+YfZZa23hoTLsu52toXobP74sf/9K501p/+8hm4ROMLBoRT86GQKY6g\n' +
+  'eavsH0Q3\n' +
+  '-----END X509 CRL-----\n';
 
 // 证书吊销列表二进制数据，需业务自行赋值
-let encodingData = null;
-let encodingBlob = {
-    data: encodingData,
-    // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_PEM
+let encodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(crlData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
 };
-cryptoCert.createX509Crl(encodingBlob, function (error, x509Crl) {
-    if (error != null) {
-        console.log("createX509Crl failed, errCode: " + error.code + ", errMsg: " + error.message);
-    } else {
-        console.log("createX509Crl success");
-    }
+
+certFramework.createX509Crl(encodingBlob, (error, x509Crl) => {
+  if (error != null) {
+    console.error('createX509Crl failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+  } else {
+    console.log('createX509Crl success');
+  }
 });
 ```
 
@@ -1599,20 +2292,39 @@ createX509Crl(inStream : EncodingBlob) : Promise\<X509Crl>
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+import { BusinessError } from '@ohos.base';
+
+// string转Uint8Array
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
+}
+
+let crlData = '-----BEGIN X509 CRL-----\n' +
+  'MIHzMF4CAQMwDQYJKoZIhvcNAQEEBQAwFTETMBEGA1UEAxMKQ1JMIGlzc3VlchcN\n' +
+  'MTcwODA3MTExOTU1WhcNMzIxMjE0MDA1MzIwWjAVMBMCAgPoFw0zMjEyMTQwMDUz\n' +
+  'MjBaMA0GCSqGSIb3DQEBBAUAA4GBACEPHhlaCTWA42ykeaOyR0SGQIHIOUR3gcDH\n' +
+  'J1LaNwiL+gDxI9rMQmlhsUGJmPIPdRs9uYyI+f854lsWYisD2PUEpn3DbEvzwYeQ\n' +
+  '5SqQoPDoM+YfZZa23hoTLsu52toXobP74sf/9K501p/+8hm4ROMLBoRT86GQKY6g\n' +
+  'eavsH0Q3\n' +
+  '-----END X509 CRL-----\n';
 
 // 证书吊销列表二进制数据，需业务自行赋值
-let encodingData = null;
-let encodingBlob = {
-    data: encodingData,
-    // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_PEM
+let encodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(crlData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
 };
-cryptoCert.createX509Crl(encodingBlob).then(x509Crl => {
-    console.log("createX509Crl success");
-}, error => {
-    console.log("createX509Crl failed, errCode: " + error.code + ", errMsg: " + error.message);
+
+certFramework.createX509Crl(encodingBlob).then(x509Crl => {
+  console.log('createX509Crl success');
+}).catch((error: BusinessError) => {
+  console.error('createX509Crl failed, errCode: ' + error.code + ', errMsg: ' + error.message);
 });
 ```
 
@@ -1642,29 +2354,68 @@ isRevoked(cert : X509Cert) : boolean
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+import { BusinessError } from '@ohos.base';
+
+// string转Uint8Array
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
+}
+
+let crlData = '-----BEGIN X509 CRL-----\n' +
+  'MIHzMF4CAQMwDQYJKoZIhvcNAQEEBQAwFTETMBEGA1UEAxMKQ1JMIGlzc3VlchcN\n' +
+  'MTcwODA3MTExOTU1WhcNMzIxMjE0MDA1MzIwWjAVMBMCAgPoFw0zMjEyMTQwMDUz\n' +
+  'MjBaMA0GCSqGSIb3DQEBBAUAA4GBACEPHhlaCTWA42ykeaOyR0SGQIHIOUR3gcDH\n' +
+  'J1LaNwiL+gDxI9rMQmlhsUGJmPIPdRs9uYyI+f854lsWYisD2PUEpn3DbEvzwYeQ\n' +
+  '5SqQoPDoM+YfZZa23hoTLsu52toXobP74sf/9K501p/+8hm4ROMLBoRT86GQKY6g\n' +
+  'eavsH0Q3\n' +
+  '-----END X509 CRL-----\n';
+
+let certData = '-----BEGIN CERTIFICATE-----\n' +
+  'MIIBLzCB1QIUO/QDVJwZLIpeJyPjyTvE43xvE5cwCgYIKoZIzj0EAwIwGjEYMBYG\n' +
+  'A1UEAwwPRXhhbXBsZSBSb290IENBMB4XDTIzMDkwNDExMjAxOVoXDTI2MDUzMDEx\n' +
+  'MjAxOVowGjEYMBYGA1UEAwwPRXhhbXBsZSBSb290IENBMFkwEwYHKoZIzj0CAQYI\n' +
+  'KoZIzj0DAQcDQgAEHjG74yMIueO7z3T+dyuEIrhxTg2fqgeNB3SGfsIXlsiUfLTa\n' +
+  'tUsU0i/sePnrKglj2H8Abbx9PK0tsW/VgqwDIDAKBggqhkjOPQQDAgNJADBGAiEA\n' +
+  '0ce/fvA4tckNZeB865aOApKXKlBjiRlaiuq5mEEqvNACIQDPD9WyC21MXqPBuRUf\n' +
+  'BetUokslUfjT6+s/X4ByaxycAA==\n' +
+  '-----END CERTIFICATE-----\n';
 
 // 证书吊销列表二进制数据，需业务自行赋值
-let encodingData = null;
-let encodingBlob = {
-    data: encodingData,
-    // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_PEM
+let encodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(crlData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
 };
-cryptoCert.createX509Crl(encodingBlob, function (error, x509Crl) {
-    if (error != null) {
-        console.log("createX509Crl failed, errCode: " + error.code + ", errMsg: " + error.message);
-    } else {
-        console.log("createX509Crl success");
-        // 业务需自行生成X509Cert证书对象
-        let x509Cert = null;
+
+let certEncodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(certData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
+};
+
+certFramework.createX509Crl(encodingBlob, (error, x509Crl) => {
+  if (error != null) {
+    console.error('createX509Crl failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+  } else {
+    console.log('createX509Crl success');
+    // Create an X509Cert instance.
+    certFramework.createX509Cert(certEncodingBlob, (error, x509Cert) => {
+      if (error == null) {
         try {
-            let revokedFlag = x509Crl.isRevoked(x509Cert);
+          let revokedFlag = x509Crl.isRevoked(x509Cert);
         } catch (error) {
-           console.log("isRevoked failed, errCode: " + error.code + ", errMsg: " + error.message);
+          let e: BusinessError = error as BusinessError;
+          console.error('isRevoked failed, errCode: ' + e.code + ', errMsg: ' + e.message);
         }
-    }
+      }
+    });
+  }
 });
 ```
 
@@ -1684,23 +2435,41 @@ getType() : string
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+
+// string转Uint8Array
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
+}
+
+let crlData = '-----BEGIN X509 CRL-----\n' +
+  'MIHzMF4CAQMwDQYJKoZIhvcNAQEEBQAwFTETMBEGA1UEAxMKQ1JMIGlzc3VlchcN\n' +
+  'MTcwODA3MTExOTU1WhcNMzIxMjE0MDA1MzIwWjAVMBMCAgPoFw0zMjEyMTQwMDUz\n' +
+  'MjBaMA0GCSqGSIb3DQEBBAUAA4GBACEPHhlaCTWA42ykeaOyR0SGQIHIOUR3gcDH\n' +
+  'J1LaNwiL+gDxI9rMQmlhsUGJmPIPdRs9uYyI+f854lsWYisD2PUEpn3DbEvzwYeQ\n' +
+  '5SqQoPDoM+YfZZa23hoTLsu52toXobP74sf/9K501p/+8hm4ROMLBoRT86GQKY6g\n' +
+  'eavsH0Q3\n' +
+  '-----END X509 CRL-----\n';
 
 // 证书吊销列表二进制数据，需业务自行赋值
-let encodingData = null;
-let encodingBlob = {
-    data: encodingData,
-    // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_PEM
+let encodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(crlData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
 };
-cryptoCert.createX509Crl(encodingBlob, function (error, x509Crl) {
-    if (error != null) {
-        console.log("createX509Crl failed, errCode: " + error.code + ", errMsg: " + error.message);
-    } else {
-        console.log("createX509Crl success");
-        let type = x509Crl.getType();
-    }
+
+certFramework.createX509Crl(encodingBlob, (error, x509Crl) => {
+  if (error != null) {
+    console.error('createX509Crl failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+  } else {
+    console.log('createX509Crl success');
+    let type = x509Crl.getType();
+  }
 });
 ```
 
@@ -1728,29 +2497,47 @@ getEncoded(callback : AsyncCallback\<EncodingBlob>) : void
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+
+// string转Uint8Array
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
+}
+
+let crlData = '-----BEGIN X509 CRL-----\n' +
+  'MIHzMF4CAQMwDQYJKoZIhvcNAQEEBQAwFTETMBEGA1UEAxMKQ1JMIGlzc3VlchcN\n' +
+  'MTcwODA3MTExOTU1WhcNMzIxMjE0MDA1MzIwWjAVMBMCAgPoFw0zMjEyMTQwMDUz\n' +
+  'MjBaMA0GCSqGSIb3DQEBBAUAA4GBACEPHhlaCTWA42ykeaOyR0SGQIHIOUR3gcDH\n' +
+  'J1LaNwiL+gDxI9rMQmlhsUGJmPIPdRs9uYyI+f854lsWYisD2PUEpn3DbEvzwYeQ\n' +
+  '5SqQoPDoM+YfZZa23hoTLsu52toXobP74sf/9K501p/+8hm4ROMLBoRT86GQKY6g\n' +
+  'eavsH0Q3\n' +
+  '-----END X509 CRL-----\n';
 
 // 证书吊销列表二进制数据，需业务自行赋值
-let encodingData = null;
-let encodingBlob = {
-    data: encodingData,
-    // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_PEM
+let encodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(crlData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
 };
-cryptoCert.createX509Crl(encodingBlob, function (error, x509Crl) {
-    if (error != null) {
-        console.log("createX509Crl failed, errCode: " + error.code + ", errMsg: " + error.message);
-    } else {
-        console.log("createX509Crl success");
-        x509Crl.getEncoded(function (error, data) {
-           if (error != null) {
-               console.log("getEncoded failed, errCode: " + error.code + ", errMsg: " + error.message);
-           } else {
-               console.log("getEncoded success");
-           }
-        });
-    }
+
+certFramework.createX509Crl(encodingBlob, (error, x509Crl) => {
+  if (error != null) {
+    console.error('createX509Crl failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+  } else {
+    console.log('createX509Crl success');
+    x509Crl.getEncoded((error, data) => {
+      if (error != null) {
+        console.error('getEncoded failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+      } else {
+        console.log('getEncoded success');
+      }
+    });
+  }
 });
 ```
 
@@ -1778,25 +2565,44 @@ getEncoded() : Promise\<EncodingBlob>
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+import { BusinessError } from '@ohos.base';
+
+// string转Uint8Array
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
+}
+
+let crlData = '-----BEGIN X509 CRL-----\n' +
+  'MIHzMF4CAQMwDQYJKoZIhvcNAQEEBQAwFTETMBEGA1UEAxMKQ1JMIGlzc3VlchcN\n' +
+  'MTcwODA3MTExOTU1WhcNMzIxMjE0MDA1MzIwWjAVMBMCAgPoFw0zMjEyMTQwMDUz\n' +
+  'MjBaMA0GCSqGSIb3DQEBBAUAA4GBACEPHhlaCTWA42ykeaOyR0SGQIHIOUR3gcDH\n' +
+  'J1LaNwiL+gDxI9rMQmlhsUGJmPIPdRs9uYyI+f854lsWYisD2PUEpn3DbEvzwYeQ\n' +
+  '5SqQoPDoM+YfZZa23hoTLsu52toXobP74sf/9K501p/+8hm4ROMLBoRT86GQKY6g\n' +
+  'eavsH0Q3\n' +
+  '-----END X509 CRL-----\n';
 
 // 证书吊销列表二进制数据，需业务自行赋值
-let encodingData = null;
-let encodingBlob = {
-    data: encodingData,
-    // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_PEM
+let encodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(crlData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
 };
-cryptoCert.createX509Crl(encodingBlob).then(x509Crl => {
-    console.log("createX509Crl success");
-    x509Crl.getEncoded().then(result => {
-        console.log("getEncoded success");
-    }, error => {
-        console.log("getEncoded failed, errCode: " + error.code + ", errMsg: " + error.message);
-    });
-}, error => {
-    console.log("createX509Crl failed, errCode: " + error.code + ", errMsg: " + error.message);
+
+certFramework.createX509Crl(encodingBlob).then(x509Crl => {
+  console.log('createX509Crl success');
+  x509Crl.getEncoded().then(result => {
+    console.log('getEncoded success');
+  }).catch((error: BusinessError) => {
+    console.error('getEncoded failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+  });
+}).catch((error: BusinessError) => {
+  console.error('createX509Crl failed, errCode: ' + error.code + ', errMsg: ' + error.message);
 });
 ```
 
@@ -1823,32 +2629,127 @@ verify(key : cryptoFramework.PubKey, callback : AsyncCallback\<void>) : void
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
-import cryptoFramework from "@ohos.security.cryptoFramework"
+```ts
+import certFramework from '@ohos.security.cert';
+import cryptoFramework from '@ohos.security.cryptoFramework';
+import { BusinessError } from '@ohos.base';
+
+// string转Uint8Array
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
+}
+
+let crlData = '-----BEGIN X509 CRL-----\n' +
+  'MIHzMF4CAQMwDQYJKoZIhvcNAQEEBQAwFTETMBEGA1UEAxMKQ1JMIGlzc3VlchcN\n' +
+  'MTcwODA3MTExOTU1WhcNMzIxMjE0MDA1MzIwWjAVMBMCAgPoFw0zMjEyMTQwMDUz\n' +
+  'MjBaMA0GCSqGSIb3DQEBBAUAA4GBACEPHhlaCTWA42ykeaOyR0SGQIHIOUR3gcDH\n' +
+  'J1LaNwiL+gDxI9rMQmlhsUGJmPIPdRs9uYyI+f854lsWYisD2PUEpn3DbEvzwYeQ\n' +
+  '5SqQoPDoM+YfZZa23hoTLsu52toXobP74sf/9K501p/+8hm4ROMLBoRT86GQKY6g\n' +
+  'eavsH0Q3\n' +
+  '-----END X509 CRL-----\n';
+
+let pubKeyData = new Uint8Array([
+  0x30, 0x81, 0x9F, 0x30, 0x0D, 0x06, 0x09, 0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x01, 0x01, 0x01,
+  0x05, 0x00, 0x03, 0x81, 0x8D, 0x00, 0x30, 0x81, 0x89, 0x02, 0x81, 0x81, 0x00, 0xDC, 0x4C, 0x2D,
+  0x57, 0x49, 0x3D, 0x42, 0x52, 0x1A, 0x09, 0xED, 0x3E, 0x90, 0x29, 0x51, 0xF7, 0x70, 0x15, 0xFE,
+  0x76, 0xB0, 0xDB, 0xDF, 0xA1, 0x2C, 0x6C, 0x67, 0x95, 0xDA, 0x63, 0x3D, 0x4F, 0x71, 0x48, 0x8C,
+  0x3E, 0xFA, 0x24, 0x79, 0xE9, 0xF2, 0xF2, 0x20, 0xCB, 0xF1, 0x59, 0x6B, 0xED, 0xC8, 0x72, 0x66,
+  0x6E, 0x31, 0xD4, 0xF3, 0xCE, 0x0B, 0x12, 0xC4, 0x17, 0x39, 0xB4, 0x52, 0x16, 0xD3, 0xE3, 0xC0,
+  0xF8, 0x48, 0xB3, 0xF6, 0x40, 0xD5, 0x47, 0x23, 0x30, 0x7F, 0xA7, 0xC5, 0x5A, 0x5A, 0xBB, 0x5C,
+  0x7B, 0xEF, 0x69, 0xE2, 0x74, 0x35, 0x24, 0x22, 0x25, 0x45, 0x7E, 0xFC, 0xE8, 0xC4, 0x52, 0x65,
+  0xA0, 0x4E, 0xBC, 0xFD, 0x3F, 0xD9, 0x85, 0x14, 0x8A, 0x5A, 0x93, 0x02, 0x24, 0x6C, 0x19, 0xBA,
+  0x81, 0xBE, 0x65, 0x2E, 0xCB, 0xBB, 0xE9, 0x91, 0x7B, 0x7C, 0x47, 0xC2, 0x61, 0x02, 0x03, 0x01,
+  0x00, 0x01
+]);
+
+let priKeyData = new Uint8Array([
+  0x30, 0x82, 0x02, 0x77, 0x02, 0x01, 0x00, 0x30, 0x0D, 0x06, 0x09, 0x2A, 0x86, 0x48, 0x86, 0xF7,
+  0x0D, 0x01, 0x01, 0x01, 0x05, 0x00, 0x04, 0x82, 0x02, 0x61, 0x30, 0x82, 0x02, 0x5D, 0x02, 0x01,
+  0x00, 0x02, 0x81, 0x81, 0x00, 0xDC, 0x4C, 0x2D, 0x57, 0x49, 0x3D, 0x42, 0x52, 0x1A, 0x09, 0xED,
+  0x3E, 0x90, 0x29, 0x51, 0xF7, 0x70, 0x15, 0xFE, 0x76, 0xB0, 0xDB, 0xDF, 0xA1, 0x2C, 0x6C, 0x67,
+  0x95, 0xDA, 0x63, 0x3D, 0x4F, 0x71, 0x48, 0x8C, 0x3E, 0xFA, 0x24, 0x79, 0xE9, 0xF2, 0xF2, 0x20,
+  0xCB, 0xF1, 0x59, 0x6B, 0xED, 0xC8, 0x72, 0x66, 0x6E, 0x31, 0xD4, 0xF3, 0xCE, 0x0B, 0x12, 0xC4,
+  0x17, 0x39, 0xB4, 0x52, 0x16, 0xD3, 0xE3, 0xC0, 0xF8, 0x48, 0xB3, 0xF6, 0x40, 0xD5, 0x47, 0x23,
+  0x30, 0x7F, 0xA7, 0xC5, 0x5A, 0x5A, 0xBB, 0x5C, 0x7B, 0xEF, 0x69, 0xE2, 0x74, 0x35, 0x24, 0x22,
+  0x25, 0x45, 0x7E, 0xFC, 0xE8, 0xC4, 0x52, 0x65, 0xA0, 0x4E, 0xBC, 0xFD, 0x3F, 0xD9, 0x85, 0x14,
+  0x8A, 0x5A, 0x93, 0x02, 0x24, 0x6C, 0x19, 0xBA, 0x81, 0xBE, 0x65, 0x2E, 0xCB, 0xBB, 0xE9, 0x91,
+  0x7B, 0x7C, 0x47, 0xC2, 0x61, 0x02, 0x03, 0x01, 0x00, 0x01, 0x02, 0x81, 0x80, 0x5A, 0xCF, 0x0F,
+  0xF5, 0xA6, 0x1C, 0x19, 0x65, 0x8C, 0x94, 0x40, 0xF6, 0x84, 0x28, 0x74, 0x40, 0x42, 0x34, 0xDE,
+  0xC3, 0x00, 0x5E, 0x72, 0x4D, 0x96, 0xE9, 0x4C, 0xBD, 0xC9, 0xDB, 0x14, 0x9F, 0xD5, 0xBB, 0xA9,
+  0x0C, 0x20, 0xC2, 0xBE, 0x7A, 0x80, 0x89, 0xEC, 0x99, 0x04, 0xF0, 0xEE, 0x7B, 0x83, 0x20, 0x1D,
+  0x37, 0x19, 0x55, 0x85, 0xF6, 0x8E, 0x3B, 0xFB, 0x16, 0xF3, 0xD3, 0x6F, 0xEE, 0x73, 0x12, 0x53,
+  0xCA, 0x77, 0xD7, 0x6C, 0x29, 0xF5, 0x08, 0xA3, 0x09, 0x01, 0x0B, 0x00, 0x05, 0x57, 0xAD, 0x4D,
+  0xF0, 0x92, 0xB2, 0x5A, 0x8B, 0x19, 0x09, 0x81, 0x86, 0xFE, 0x66, 0xB9, 0x33, 0x88, 0x28, 0xF3,
+  0x37, 0x73, 0x09, 0x5F, 0xD7, 0xC9, 0xC6, 0xFA, 0x13, 0x74, 0xFE, 0xAE, 0x53, 0xA9, 0x71, 0x67,
+  0xCE, 0x3A, 0xE6, 0x8D, 0x35, 0xD1, 0xB8, 0xFD, 0x6F, 0x0D, 0x43, 0xC2, 0xD1, 0x02, 0x41, 0x00,
+  0xF7, 0x33, 0xE5, 0x6C, 0x29, 0x5A, 0x30, 0x58, 0xA4, 0x52, 0x65, 0xA0, 0x39, 0xC2, 0xE8, 0xAE,
+  0x5F, 0xA3, 0x2D, 0x0C, 0x65, 0xB1, 0x7B, 0xFD, 0x92, 0xBF, 0x47, 0x87, 0x97, 0x40, 0xCB, 0x54,
+  0xF9, 0xBB, 0x50, 0x27, 0x70, 0x51, 0xD0, 0xD8, 0x48, 0x0D, 0xC6, 0x47, 0x60, 0xF8, 0x4E, 0x0A,
+  0x32, 0x76, 0x6D, 0xA4, 0xBA, 0x40, 0xE5, 0x58, 0xF8, 0x4A, 0x39, 0x4E, 0xF8, 0x3F, 0x4E, 0x2D,
+  0x02, 0x41, 0x00, 0xE4, 0x23, 0x2A, 0x5F, 0x59, 0xCF, 0x7C, 0x91, 0x24, 0x0D, 0xA2, 0x44, 0x17,
+  0xCD, 0x37, 0xDE, 0x1F, 0x53, 0x4D, 0x33, 0x9F, 0x90, 0x4D, 0xD9, 0x72, 0x64, 0x25, 0xBA, 0xAB,
+  0x47, 0x91, 0xC4, 0x99, 0x95, 0x86, 0xB5, 0x8A, 0xEA, 0x77, 0xF7, 0x64, 0x72, 0x5E, 0xB7, 0xBB,
+  0x16, 0xA1, 0x64, 0xA4, 0xE1, 0x2D, 0x76, 0x6D, 0xEF, 0xB1, 0x5E, 0xD6, 0x17, 0xE8, 0xAA, 0xB6,
+  0xA0, 0xD9, 0x85, 0x02, 0x41, 0x00, 0xDF, 0xC8, 0x5B, 0x28, 0x4F, 0x47, 0x15, 0xFD, 0x28, 0xC4,
+  0x6E, 0xBB, 0x5D, 0x8E, 0xD4, 0x95, 0x06, 0x7E, 0xF1, 0x89, 0x07, 0x86, 0x64, 0x78, 0x69, 0x20,
+  0x3F, 0xE0, 0xBF, 0x4C, 0x28, 0xC6, 0x04, 0x4D, 0x4D, 0x82, 0x66, 0x6B, 0xAA, 0x64, 0x20, 0xD6,
+  0x57, 0x68, 0xC6, 0xA0, 0x02, 0x05, 0xB9, 0x28, 0xFC, 0x98, 0xE3, 0x03, 0x5C, 0x9B, 0xEE, 0x29,
+  0x43, 0x37, 0xFA, 0x03, 0x55, 0x01, 0x02, 0x40, 0x69, 0x5B, 0x7C, 0x24, 0x10, 0xDB, 0xEB, 0x91,
+  0x33, 0xEF, 0x3F, 0xF2, 0xE6, 0x73, 0x15, 0xCB, 0xF4, 0xF7, 0x89, 0x7D, 0xBF, 0xC0, 0xEA, 0xD2,
+  0xF3, 0x2B, 0x20, 0xE9, 0x76, 0x54, 0x55, 0x13, 0x50, 0x42, 0x67, 0xB5, 0xCB, 0x73, 0xC0, 0xF7,
+  0x75, 0x62, 0x04, 0x30, 0x21, 0xAC, 0xAF, 0xD8, 0x44, 0xF4, 0xE1, 0x04, 0x02, 0x7D, 0x61, 0x92,
+  0x84, 0x99, 0x02, 0x10, 0x64, 0xCB, 0x1F, 0xE9, 0x02, 0x41, 0x00, 0xAB, 0x4B, 0x7D, 0x90, 0x7C,
+  0x57, 0x08, 0x6B, 0xC0, 0x43, 0x72, 0x09, 0x8A, 0x18, 0x35, 0x36, 0x64, 0x9D, 0x84, 0x8D, 0xF1,
+  0x84, 0x94, 0x48, 0xC6, 0x80, 0x9D, 0xB9, 0xA2, 0x58, 0x0A, 0x4D, 0x0A, 0xCA, 0x1E, 0xD6, 0x05,
+  0x55, 0x5B, 0xFE, 0xD7, 0xAA, 0x70, 0xED, 0x76, 0xB3, 0x40, 0x2E, 0xA0, 0xB3, 0x32, 0x37, 0xB0,
+  0xA0, 0xB9, 0x96, 0x2D, 0xC4, 0x70, 0xE9, 0x99, 0x10, 0x67, 0x8D
+]);
 
 // 证书吊销列表二进制数据，需业务自行赋值
-let encodingData = null;
-let encodingBlob = {
-    data: encodingData,
-    // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_PEM
+let encodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(crlData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
 };
-cryptoCert.createX509Crl(encodingBlob, function (error, x509Crl) {
-    if (error != null) {
-        console.log("createX509Crl failed, errCode: " + error.code + ", errMsg: " + error.message);
-    } else {
-        console.log("createX509Crl success");
-        // 业务需通过AsyKeyGenerator生成PubKey
-        let pubKey = null;
-        x509Crl.verify(pubKey, function (error, data) {
-           if (error != null) {
-               console.log("verify failed, errCode: " + error.code + ", errMsg: " + error.message);
-           } else {
-               console.log("verify success");
-           }
-        });
+
+certFramework.createX509Crl(encodingBlob, (error, x509Crl) => {
+  if (error != null) {
+    console.error('createX509Crl failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+  } else {
+    console.log('createX509Crl success');
+    try {
+      // Generate the public key by AsyKeyGenerator.
+      let keyGenerator = cryptoFramework.createAsyKeyGenerator('RSA1024|PRIMES_3');
+      console.log('createAsyKeyGenerator success');
+      let priEncodingBlob: cryptoFramework.DataBlob = {
+        data: priKeyData,
+      };
+      let pubEncodingBlob: cryptoFramework.DataBlob = {
+        data: pubKeyData,
+      };
+      keyGenerator.convertKey(pubEncodingBlob, priEncodingBlob, (e, keyPair) => {
+        if (e == null) {
+          console.log('convert key success');
+          x509Crl.verify(keyPair.pubKey, (err, data) => {
+            if (err == null) {
+              console.log('verify success');
+            } else {
+              console.error('verify failed, errCode: ' + err.code + ', errMsg: ' + err.message);
+            }
+          });
+        } else {
+          console.error('convert key failed, message: ' + e.message + 'code: ' + e.code);
+        }
+      })
+    } catch (error) {
+      let e: BusinessError = error as BusinessError;
+      console.error('get pubKey failed, errCode: ' + e.code + ', errMsg: ' + e.message);
     }
+  }
 });
 ```
 
@@ -1880,28 +2781,122 @@ verify(key : cryptoFramework.PubKey) : Promise\<void>
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
-import cryptoFramework from "@ohos.security.cryptoFramework"
+```ts
+import certFramework from '@ohos.security.cert';
+import cryptoFramework from '@ohos.security.cryptoFramework'
+import { BusinessError } from '@ohos.base';
+
+// string转Uint8Array
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
+}
+
+let crlData = '-----BEGIN X509 CRL-----\n' +
+  'MIHzMF4CAQMwDQYJKoZIhvcNAQEEBQAwFTETMBEGA1UEAxMKQ1JMIGlzc3VlchcN\n' +
+  'MTcwODA3MTExOTU1WhcNMzIxMjE0MDA1MzIwWjAVMBMCAgPoFw0zMjEyMTQwMDUz\n' +
+  'MjBaMA0GCSqGSIb3DQEBBAUAA4GBACEPHhlaCTWA42ykeaOyR0SGQIHIOUR3gcDH\n' +
+  'J1LaNwiL+gDxI9rMQmlhsUGJmPIPdRs9uYyI+f854lsWYisD2PUEpn3DbEvzwYeQ\n' +
+  '5SqQoPDoM+YfZZa23hoTLsu52toXobP74sf/9K501p/+8hm4ROMLBoRT86GQKY6g\n' +
+  'eavsH0Q3\n' +
+  '-----END X509 CRL-----\n';
+
+let pubKeyData = new Uint8Array([
+  0x30, 0x81, 0x9F, 0x30, 0x0D, 0x06, 0x09, 0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x01, 0x01, 0x01,
+  0x05, 0x00, 0x03, 0x81, 0x8D, 0x00, 0x30, 0x81, 0x89, 0x02, 0x81, 0x81, 0x00, 0xDC, 0x4C, 0x2D,
+  0x57, 0x49, 0x3D, 0x42, 0x52, 0x1A, 0x09, 0xED, 0x3E, 0x90, 0x29, 0x51, 0xF7, 0x70, 0x15, 0xFE,
+  0x76, 0xB0, 0xDB, 0xDF, 0xA1, 0x2C, 0x6C, 0x67, 0x95, 0xDA, 0x63, 0x3D, 0x4F, 0x71, 0x48, 0x8C,
+  0x3E, 0xFA, 0x24, 0x79, 0xE9, 0xF2, 0xF2, 0x20, 0xCB, 0xF1, 0x59, 0x6B, 0xED, 0xC8, 0x72, 0x66,
+  0x6E, 0x31, 0xD4, 0xF3, 0xCE, 0x0B, 0x12, 0xC4, 0x17, 0x39, 0xB4, 0x52, 0x16, 0xD3, 0xE3, 0xC0,
+  0xF8, 0x48, 0xB3, 0xF6, 0x40, 0xD5, 0x47, 0x23, 0x30, 0x7F, 0xA7, 0xC5, 0x5A, 0x5A, 0xBB, 0x5C,
+  0x7B, 0xEF, 0x69, 0xE2, 0x74, 0x35, 0x24, 0x22, 0x25, 0x45, 0x7E, 0xFC, 0xE8, 0xC4, 0x52, 0x65,
+  0xA0, 0x4E, 0xBC, 0xFD, 0x3F, 0xD9, 0x85, 0x14, 0x8A, 0x5A, 0x93, 0x02, 0x24, 0x6C, 0x19, 0xBA,
+  0x81, 0xBE, 0x65, 0x2E, 0xCB, 0xBB, 0xE9, 0x91, 0x7B, 0x7C, 0x47, 0xC2, 0x61, 0x02, 0x03, 0x01,
+  0x00, 0x01
+]);
+
+let priKeyData = new Uint8Array([
+  0x30, 0x82, 0x02, 0x77, 0x02, 0x01, 0x00, 0x30, 0x0D, 0x06, 0x09, 0x2A, 0x86, 0x48, 0x86, 0xF7,
+  0x0D, 0x01, 0x01, 0x01, 0x05, 0x00, 0x04, 0x82, 0x02, 0x61, 0x30, 0x82, 0x02, 0x5D, 0x02, 0x01,
+  0x00, 0x02, 0x81, 0x81, 0x00, 0xDC, 0x4C, 0x2D, 0x57, 0x49, 0x3D, 0x42, 0x52, 0x1A, 0x09, 0xED,
+  0x3E, 0x90, 0x29, 0x51, 0xF7, 0x70, 0x15, 0xFE, 0x76, 0xB0, 0xDB, 0xDF, 0xA1, 0x2C, 0x6C, 0x67,
+  0x95, 0xDA, 0x63, 0x3D, 0x4F, 0x71, 0x48, 0x8C, 0x3E, 0xFA, 0x24, 0x79, 0xE9, 0xF2, 0xF2, 0x20,
+  0xCB, 0xF1, 0x59, 0x6B, 0xED, 0xC8, 0x72, 0x66, 0x6E, 0x31, 0xD4, 0xF3, 0xCE, 0x0B, 0x12, 0xC4,
+  0x17, 0x39, 0xB4, 0x52, 0x16, 0xD3, 0xE3, 0xC0, 0xF8, 0x48, 0xB3, 0xF6, 0x40, 0xD5, 0x47, 0x23,
+  0x30, 0x7F, 0xA7, 0xC5, 0x5A, 0x5A, 0xBB, 0x5C, 0x7B, 0xEF, 0x69, 0xE2, 0x74, 0x35, 0x24, 0x22,
+  0x25, 0x45, 0x7E, 0xFC, 0xE8, 0xC4, 0x52, 0x65, 0xA0, 0x4E, 0xBC, 0xFD, 0x3F, 0xD9, 0x85, 0x14,
+  0x8A, 0x5A, 0x93, 0x02, 0x24, 0x6C, 0x19, 0xBA, 0x81, 0xBE, 0x65, 0x2E, 0xCB, 0xBB, 0xE9, 0x91,
+  0x7B, 0x7C, 0x47, 0xC2, 0x61, 0x02, 0x03, 0x01, 0x00, 0x01, 0x02, 0x81, 0x80, 0x5A, 0xCF, 0x0F,
+  0xF5, 0xA6, 0x1C, 0x19, 0x65, 0x8C, 0x94, 0x40, 0xF6, 0x84, 0x28, 0x74, 0x40, 0x42, 0x34, 0xDE,
+  0xC3, 0x00, 0x5E, 0x72, 0x4D, 0x96, 0xE9, 0x4C, 0xBD, 0xC9, 0xDB, 0x14, 0x9F, 0xD5, 0xBB, 0xA9,
+  0x0C, 0x20, 0xC2, 0xBE, 0x7A, 0x80, 0x89, 0xEC, 0x99, 0x04, 0xF0, 0xEE, 0x7B, 0x83, 0x20, 0x1D,
+  0x37, 0x19, 0x55, 0x85, 0xF6, 0x8E, 0x3B, 0xFB, 0x16, 0xF3, 0xD3, 0x6F, 0xEE, 0x73, 0x12, 0x53,
+  0xCA, 0x77, 0xD7, 0x6C, 0x29, 0xF5, 0x08, 0xA3, 0x09, 0x01, 0x0B, 0x00, 0x05, 0x57, 0xAD, 0x4D,
+  0xF0, 0x92, 0xB2, 0x5A, 0x8B, 0x19, 0x09, 0x81, 0x86, 0xFE, 0x66, 0xB9, 0x33, 0x88, 0x28, 0xF3,
+  0x37, 0x73, 0x09, 0x5F, 0xD7, 0xC9, 0xC6, 0xFA, 0x13, 0x74, 0xFE, 0xAE, 0x53, 0xA9, 0x71, 0x67,
+  0xCE, 0x3A, 0xE6, 0x8D, 0x35, 0xD1, 0xB8, 0xFD, 0x6F, 0x0D, 0x43, 0xC2, 0xD1, 0x02, 0x41, 0x00,
+  0xF7, 0x33, 0xE5, 0x6C, 0x29, 0x5A, 0x30, 0x58, 0xA4, 0x52, 0x65, 0xA0, 0x39, 0xC2, 0xE8, 0xAE,
+  0x5F, 0xA3, 0x2D, 0x0C, 0x65, 0xB1, 0x7B, 0xFD, 0x92, 0xBF, 0x47, 0x87, 0x97, 0x40, 0xCB, 0x54,
+  0xF9, 0xBB, 0x50, 0x27, 0x70, 0x51, 0xD0, 0xD8, 0x48, 0x0D, 0xC6, 0x47, 0x60, 0xF8, 0x4E, 0x0A,
+  0x32, 0x76, 0x6D, 0xA4, 0xBA, 0x40, 0xE5, 0x58, 0xF8, 0x4A, 0x39, 0x4E, 0xF8, 0x3F, 0x4E, 0x2D,
+  0x02, 0x41, 0x00, 0xE4, 0x23, 0x2A, 0x5F, 0x59, 0xCF, 0x7C, 0x91, 0x24, 0x0D, 0xA2, 0x44, 0x17,
+  0xCD, 0x37, 0xDE, 0x1F, 0x53, 0x4D, 0x33, 0x9F, 0x90, 0x4D, 0xD9, 0x72, 0x64, 0x25, 0xBA, 0xAB,
+  0x47, 0x91, 0xC4, 0x99, 0x95, 0x86, 0xB5, 0x8A, 0xEA, 0x77, 0xF7, 0x64, 0x72, 0x5E, 0xB7, 0xBB,
+  0x16, 0xA1, 0x64, 0xA4, 0xE1, 0x2D, 0x76, 0x6D, 0xEF, 0xB1, 0x5E, 0xD6, 0x17, 0xE8, 0xAA, 0xB6,
+  0xA0, 0xD9, 0x85, 0x02, 0x41, 0x00, 0xDF, 0xC8, 0x5B, 0x28, 0x4F, 0x47, 0x15, 0xFD, 0x28, 0xC4,
+  0x6E, 0xBB, 0x5D, 0x8E, 0xD4, 0x95, 0x06, 0x7E, 0xF1, 0x89, 0x07, 0x86, 0x64, 0x78, 0x69, 0x20,
+  0x3F, 0xE0, 0xBF, 0x4C, 0x28, 0xC6, 0x04, 0x4D, 0x4D, 0x82, 0x66, 0x6B, 0xAA, 0x64, 0x20, 0xD6,
+  0x57, 0x68, 0xC6, 0xA0, 0x02, 0x05, 0xB9, 0x28, 0xFC, 0x98, 0xE3, 0x03, 0x5C, 0x9B, 0xEE, 0x29,
+  0x43, 0x37, 0xFA, 0x03, 0x55, 0x01, 0x02, 0x40, 0x69, 0x5B, 0x7C, 0x24, 0x10, 0xDB, 0xEB, 0x91,
+  0x33, 0xEF, 0x3F, 0xF2, 0xE6, 0x73, 0x15, 0xCB, 0xF4, 0xF7, 0x89, 0x7D, 0xBF, 0xC0, 0xEA, 0xD2,
+  0xF3, 0x2B, 0x20, 0xE9, 0x76, 0x54, 0x55, 0x13, 0x50, 0x42, 0x67, 0xB5, 0xCB, 0x73, 0xC0, 0xF7,
+  0x75, 0x62, 0x04, 0x30, 0x21, 0xAC, 0xAF, 0xD8, 0x44, 0xF4, 0xE1, 0x04, 0x02, 0x7D, 0x61, 0x92,
+  0x84, 0x99, 0x02, 0x10, 0x64, 0xCB, 0x1F, 0xE9, 0x02, 0x41, 0x00, 0xAB, 0x4B, 0x7D, 0x90, 0x7C,
+  0x57, 0x08, 0x6B, 0xC0, 0x43, 0x72, 0x09, 0x8A, 0x18, 0x35, 0x36, 0x64, 0x9D, 0x84, 0x8D, 0xF1,
+  0x84, 0x94, 0x48, 0xC6, 0x80, 0x9D, 0xB9, 0xA2, 0x58, 0x0A, 0x4D, 0x0A, 0xCA, 0x1E, 0xD6, 0x05,
+  0x55, 0x5B, 0xFE, 0xD7, 0xAA, 0x70, 0xED, 0x76, 0xB3, 0x40, 0x2E, 0xA0, 0xB3, 0x32, 0x37, 0xB0,
+  0xA0, 0xB9, 0x96, 0x2D, 0xC4, 0x70, 0xE9, 0x99, 0x10, 0x67, 0x8D
+]);
 
 // 证书吊销列表二进制数据，需业务自行赋值
-let encodingData = null;
-let encodingBlob = {
-    data: encodingData,
-    // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_PEM
+let encodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(crlData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
 };
-cryptoCert.createX509Crl(encodingBlob).then(x509Crl => {
-    console.log("createX509Crl success");
-    // 业务需通过AsyKeyGenerator生成PubKey
-    let pubKey = null;
-    x509Crl.verify(pubKey).then(result => {
-        console.log("verify success");
-    }, error => {
-        console.log("verify failed, errCode: " + error.code + ", errMsg: " + error.message);
+
+certFramework.createX509Crl(encodingBlob).then(x509Crl => {
+  console.log('createX509Crl success');
+
+  try {
+    // 生成公钥对象
+    let keyGenerator = cryptoFramework.createAsyKeyGenerator('RSA1024|PRIMES_3');
+    console.log('createAsyKeyGenerator success');
+    let priEncodingBlob: cryptoFramework.DataBlob = {
+      data: priKeyData,
+    };
+    let pubEncodingBlob: cryptoFramework.DataBlob = {
+      data: pubKeyData,
+    };
+    keyGenerator.convertKey(pubEncodingBlob, priEncodingBlob).then((keyPair) => {
+      console.log('convert key success');
+      x509Crl.verify(keyPair.pubKey).then(result => {
+        console.log('verify success');
+      }).catch((error: BusinessError) => {
+        console.error('verify failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+      });
+    }).catch((error: BusinessError) => {
+      console.error('convert key failed, message: ' + error.message + 'code: ' + error.code);
     });
-}, error => {
-    console.log("createX509Crl failed, errCode: " + error.code + ", errMsg: " + error.message);
+  } catch (error) {
+    let e: BusinessError = error as BusinessError;
+    console.error('get pubKey failed, errCode: ' + e.code + ', errMsg: ' + e.message);
+  }
+}).catch((error: BusinessError) => {
+  console.error('createX509Crl failed, errCode: ' + error.code + ', errMsg: ' + error.message);
 });
 ```
 
@@ -1921,23 +2916,41 @@ getVersion() : number
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+
+// string转Uint8Array
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
+}
+
+let crlData = '-----BEGIN X509 CRL-----\n' +
+  'MIHzMF4CAQMwDQYJKoZIhvcNAQEEBQAwFTETMBEGA1UEAxMKQ1JMIGlzc3VlchcN\n' +
+  'MTcwODA3MTExOTU1WhcNMzIxMjE0MDA1MzIwWjAVMBMCAgPoFw0zMjEyMTQwMDUz\n' +
+  'MjBaMA0GCSqGSIb3DQEBBAUAA4GBACEPHhlaCTWA42ykeaOyR0SGQIHIOUR3gcDH\n' +
+  'J1LaNwiL+gDxI9rMQmlhsUGJmPIPdRs9uYyI+f854lsWYisD2PUEpn3DbEvzwYeQ\n' +
+  '5SqQoPDoM+YfZZa23hoTLsu52toXobP74sf/9K501p/+8hm4ROMLBoRT86GQKY6g\n' +
+  'eavsH0Q3\n' +
+  '-----END X509 CRL-----\n';
 
 // 证书吊销列表二进制数据，需业务自行赋值
-let encodingData = null;
-let encodingBlob = {
-    data: encodingData,
-    // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_PEM
+let encodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(crlData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
 };
-cryptoCert.createX509Crl(encodingBlob, function (error, x509Crl) {
-    if (error != null) {
-        console.log("createX509Crl failed, errCode: " + error.code + ", errMsg: " + error.message);
-    } else {
-        console.log("createX509Crl success");
-        let version = x509Crl.getVersion();
-    }
+
+certFramework.createX509Crl(encodingBlob, (error, x509Crl) => {
+  if (error != null) {
+    console.error('createX509Crl failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+  } else {
+    console.log('createX509Crl success');
+    let version = x509Crl.getVersion();
+  }
 });
 ```
 
@@ -1965,23 +2978,47 @@ getIssuerName() : DataBlob
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+import { BusinessError } from '@ohos.base';
+
+// string转Uint8Array
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
+}
+
+let crlData = '-----BEGIN X509 CRL-----\n' +
+  'MIHzMF4CAQMwDQYJKoZIhvcNAQEEBQAwFTETMBEGA1UEAxMKQ1JMIGlzc3VlchcN\n' +
+  'MTcwODA3MTExOTU1WhcNMzIxMjE0MDA1MzIwWjAVMBMCAgPoFw0zMjEyMTQwMDUz\n' +
+  'MjBaMA0GCSqGSIb3DQEBBAUAA4GBACEPHhlaCTWA42ykeaOyR0SGQIHIOUR3gcDH\n' +
+  'J1LaNwiL+gDxI9rMQmlhsUGJmPIPdRs9uYyI+f854lsWYisD2PUEpn3DbEvzwYeQ\n' +
+  '5SqQoPDoM+YfZZa23hoTLsu52toXobP74sf/9K501p/+8hm4ROMLBoRT86GQKY6g\n' +
+  'eavsH0Q3\n' +
+  '-----END X509 CRL-----\n';
 
 // 证书吊销列表二进制数据，需业务自行赋值
-let encodingData = null;
-let encodingBlob = {
-    data: encodingData,
-    // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_PEM
+let encodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(crlData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
 };
-cryptoCert.createX509Crl(encodingBlob, function (error, x509Crl) {
-    if (error != null) {
-        console.log("createX509Crl failed, errCode: " + error.code + ", errMsg: " + error.message);
-    } else {
-        console.log("createX509Crl success");
-        let issuerName = x509Crl.getIssuerName();
+
+certFramework.createX509Crl(encodingBlob, (error, x509Crl) => {
+  if (error != null) {
+    console.error('createX509Crl failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+  } else {
+    console.log('createX509Crl success');
+    try {
+      let issuerName = x509Crl.getIssuerName();
+    } catch (err) {
+      let e: BusinessError = err as BusinessError;
+      console.error('getIssuerName failed, errCode: ' + e.code + ', errMsg: ' + e.message);
     }
+  }
 });
 ```
 
@@ -2009,23 +3046,47 @@ getLastUpdate() : string
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+import { BusinessError } from '@ohos.base';
+
+// string转Uint8Array
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
+}
+
+let crlData = '-----BEGIN X509 CRL-----\n' +
+  'MIHzMF4CAQMwDQYJKoZIhvcNAQEEBQAwFTETMBEGA1UEAxMKQ1JMIGlzc3VlchcN\n' +
+  'MTcwODA3MTExOTU1WhcNMzIxMjE0MDA1MzIwWjAVMBMCAgPoFw0zMjEyMTQwMDUz\n' +
+  'MjBaMA0GCSqGSIb3DQEBBAUAA4GBACEPHhlaCTWA42ykeaOyR0SGQIHIOUR3gcDH\n' +
+  'J1LaNwiL+gDxI9rMQmlhsUGJmPIPdRs9uYyI+f854lsWYisD2PUEpn3DbEvzwYeQ\n' +
+  '5SqQoPDoM+YfZZa23hoTLsu52toXobP74sf/9K501p/+8hm4ROMLBoRT86GQKY6g\n' +
+  'eavsH0Q3\n' +
+  '-----END X509 CRL-----\n';
 
 // 证书吊销列表二进制数据，需业务自行赋值
-let encodingData = null;
-let encodingBlob = {
-    data: encodingData,
-    // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_PEM
+let encodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(crlData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
 };
-cryptoCert.createX509Crl(encodingBlob, function (error, x509Crl) {
-    if (error != null) {
-        console.log("createX509Crl failed, errCode: " + error.code + ", errMsg: " + error.message);
-    } else {
-        console.log("createX509Crl success");
-        let lastUpdate = x509Crl.getLastUpdate();
+
+certFramework.createX509Crl(encodingBlob, (error, x509Crl) => {
+  if (error != null) {
+    console.error('createX509Crl failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+  } else {
+    console.log('createX509Crl success');
+    try {
+      let lastUpdate = x509Crl.getLastUpdate();
+    } catch (err) {
+      let e: BusinessError = err as BusinessError;
+      console.error('getLastUpdate failed, errCode: ' + e.code + ', errMsg: ' + e.message);
     }
+  }
 });
 ```
 
@@ -2053,23 +3114,47 @@ getNextUpdate() : string
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+import { BusinessError } from '@ohos.base';
+
+// string转Uint8Array
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
+}
+
+let crlData = '-----BEGIN X509 CRL-----\n' +
+  'MIHzMF4CAQMwDQYJKoZIhvcNAQEEBQAwFTETMBEGA1UEAxMKQ1JMIGlzc3VlchcN\n' +
+  'MTcwODA3MTExOTU1WhcNMzIxMjE0MDA1MzIwWjAVMBMCAgPoFw0zMjEyMTQwMDUz\n' +
+  'MjBaMA0GCSqGSIb3DQEBBAUAA4GBACEPHhlaCTWA42ykeaOyR0SGQIHIOUR3gcDH\n' +
+  'J1LaNwiL+gDxI9rMQmlhsUGJmPIPdRs9uYyI+f854lsWYisD2PUEpn3DbEvzwYeQ\n' +
+  '5SqQoPDoM+YfZZa23hoTLsu52toXobP74sf/9K501p/+8hm4ROMLBoRT86GQKY6g\n' +
+  'eavsH0Q3\n' +
+  '-----END X509 CRL-----\n';
 
 // 证书吊销列表二进制数据，需业务自行赋值
-let encodingData = null;
-let encodingBlob = {
-    data: encodingData,
-    // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_PEM
+let encodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(crlData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
 };
-cryptoCert.createX509Crl(encodingBlob, function (error, x509Crl) {
-    if (error != null) {
-        console.log("createX509Crl failed, errCode: " + error.code + ", errMsg: " + error.message);
-    } else {
-        console.log("createX509Crl success");
-        let nextUpdate = x509Crl.getNextUpdate();
+
+certFramework.createX509Crl(encodingBlob, (error, x509Crl) => {
+  if (error != null) {
+    console.error('createX509Crl failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+  } else {
+    console.log('createX509Crl success');
+    try {
+      let nextUpdate = x509Crl.getNextUpdate();
+    } catch (err) {
+      let e: BusinessError = err as BusinessError;
+      console.error('getNextUpdate failed, errCode: ' + e.code + ', errMsg: ' + e.message);
     }
+  }
 });
 ```
 
@@ -2102,29 +3187,48 @@ getRevokedCert(serialNumber : number) : X509CrlEntry
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+import { BusinessError } from '@ohos.base';
+
+// string转Uint8Array
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
+}
+
+let crlData = '-----BEGIN X509 CRL-----\n' +
+  'MIHzMF4CAQMwDQYJKoZIhvcNAQEEBQAwFTETMBEGA1UEAxMKQ1JMIGlzc3VlchcN\n' +
+  'MTcwODA3MTExOTU1WhcNMzIxMjE0MDA1MzIwWjAVMBMCAgPoFw0zMjEyMTQwMDUz\n' +
+  'MjBaMA0GCSqGSIb3DQEBBAUAA4GBACEPHhlaCTWA42ykeaOyR0SGQIHIOUR3gcDH\n' +
+  'J1LaNwiL+gDxI9rMQmlhsUGJmPIPdRs9uYyI+f854lsWYisD2PUEpn3DbEvzwYeQ\n' +
+  '5SqQoPDoM+YfZZa23hoTLsu52toXobP74sf/9K501p/+8hm4ROMLBoRT86GQKY6g\n' +
+  'eavsH0Q3\n' +
+  '-----END X509 CRL-----\n';
 
 // 证书吊销列表二进制数据，需业务自行赋值
-let encodingData = null;
-let encodingBlob = {
-    data: encodingData,
-    // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_PEM
+let encodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(crlData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
 };
-cryptoCert.createX509Crl(encodingBlob, function (error, x509Crl) {
-    if (error != null) {
-        console.log("createX509Crl failed, errCode: " + error.code + ", errMsg: " + error.message);
-    } else {
-        console.log("createX509Crl success");
-        // 业务需赋值为对应证书的序列号
-        let serialNumber = 1000;
-        try {
-            let entry = x509Crl.getRevokedCert(serialNumber);
-        } catch (error) {
-           console.log("getRevokedCert failed, errCode: " + error.code + ", errMsg: " + error.message);
-        }
+
+certFramework.createX509Crl(encodingBlob, (error, x509Crl) => {
+  if (error != null) {
+    console.error('createX509Crl failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+  } else {
+    console.log('createX509Crl success');
+    let serialNumber = 1000;
+    try {
+      let entry = x509Crl.getRevokedCert(serialNumber);
+    } catch (error) {
+      let e: BusinessError = error as BusinessError;
+      console.error('getRevokedCert failed, errCode: ' + e.code + ', errMsg: ' + e.message);
     }
+  }
 });
 ```
 
@@ -2157,29 +3261,69 @@ getRevokedCertWithCert(cert : X509Cert) : X509CrlEntry
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+import { BusinessError } from '@ohos.base';
+
+// string转Uint8Array
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
+}
+
+let crlData = '-----BEGIN X509 CRL-----\n' +
+  'MIHzMF4CAQMwDQYJKoZIhvcNAQEEBQAwFTETMBEGA1UEAxMKQ1JMIGlzc3VlchcN\n' +
+  'MTcwODA3MTExOTU1WhcNMzIxMjE0MDA1MzIwWjAVMBMCAgPoFw0zMjEyMTQwMDUz\n' +
+  'MjBaMA0GCSqGSIb3DQEBBAUAA4GBACEPHhlaCTWA42ykeaOyR0SGQIHIOUR3gcDH\n' +
+  'J1LaNwiL+gDxI9rMQmlhsUGJmPIPdRs9uYyI+f854lsWYisD2PUEpn3DbEvzwYeQ\n' +
+  '5SqQoPDoM+YfZZa23hoTLsu52toXobP74sf/9K501p/+8hm4ROMLBoRT86GQKY6g\n' +
+  'eavsH0Q3\n' +
+  '-----END X509 CRL-----\n';
+
+// 证书二进制数据，需业务自行赋值
+let certData = '-----BEGIN CERTIFICATE-----\n'
+  'MIIBHTCBwwICA+gwCgYIKoZIzj0EAwIwGjEYMBYGA1UEAwwPRXhhbXBsZSBSb290\n'
+  'IENBMB4XDTIzMDkwNTAyNDgyMloXDTI2MDUzMTAyNDgyMlowGjEYMBYGA1UEAwwP\n'
+  'RXhhbXBsZSBSb290IENBMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEHjG74yMI\n'
+  'ueO7z3T+dyuEIrhxTg2fqgeNB3SGfsIXlsiUfLTatUsU0i/sePnrKglj2H8Abbx9\n'
+  'PK0tsW/VgqwDIDAKBggqhkjOPQQDAgNJADBGAiEApVZno/Z7WyDc/muRN1y57uaY\n'
+  'Mjrgnvp/AMdE8qmFiDwCIQCrIYdHVO1awaPgcdALZY+uLQi6mEs/oMJLUcmaag3E\n'
+  'Qw==\n'
+  '-----END CERTIFICATE-----\n';
+
+let certEncodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(certData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
+};
 
 // 证书吊销列表二进制数据，需业务自行赋值
-let encodingData = null;
-let encodingBlob = {
-    data: encodingData,
-    // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_PEM
+let encodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(crlData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
 };
-cryptoCert.createX509Crl(encodingBlob, function (error, x509Crl) {
-    if (error != null) {
-        console.log("createX509Crl failed, errCode: " + error.code + ", errMsg: " + error.message);
-    } else {
-        console.log("createX509Crl success");
-        // 业务需自行生成X509Cert证书对象
-        let x509Cert = null;
-        try {
-            let entry = x509Crl.getRevokedCertWithCert(x509Cert);
-        } catch (error) {
-           console.log("getRevokedCertWithCert failed, errCode: " + error.code + ", errMsg: " + error.message);
-        }
-    }
+
+certFramework.createX509Crl(encodingBlob, (error, x509Crl) => {
+  if (error != null) {
+    console.error('createX509Crl failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+  } else {
+    console.log('createX509Crl success');
+    // 创建X509证书对象.
+    certFramework.createX509Cert(certEncodingBlob).then((x509Cert) => {
+      try {
+        let entry = x509Crl.getRevokedCertWithCert(x509Cert);
+      } catch (error) {
+        let e: BusinessError = error as BusinessError;
+        console.error('getRevokedCertWithCert failed, errCode: ' + e.code + ', errMsg: ' + e.message);
+      }
+    }).catch((error: BusinessError) => {
+      console.error('createX509Cert failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+    })
+  }
 });
 ```
 
@@ -2206,29 +3350,48 @@ getRevokedCerts(callback : AsyncCallback<Array\<X509CrlEntry>>) : void
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+import { BusinessError } from '@ohos.base';
+
+// string转Uint8Array
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
+}
+
+let crlData = '-----BEGIN X509 CRL-----\n' +
+  'MIHzMF4CAQMwDQYJKoZIhvcNAQEEBQAwFTETMBEGA1UEAxMKQ1JMIGlzc3VlchcN\n' +
+  'MTcwODA3MTExOTU1WhcNMzIxMjE0MDA1MzIwWjAVMBMCAgPoFw0zMjEyMTQwMDUz\n' +
+  'MjBaMA0GCSqGSIb3DQEBBAUAA4GBACEPHhlaCTWA42ykeaOyR0SGQIHIOUR3gcDH\n' +
+  'J1LaNwiL+gDxI9rMQmlhsUGJmPIPdRs9uYyI+f854lsWYisD2PUEpn3DbEvzwYeQ\n' +
+  '5SqQoPDoM+YfZZa23hoTLsu52toXobP74sf/9K501p/+8hm4ROMLBoRT86GQKY6g\n' +
+  'eavsH0Q3\n' +
+  '-----END X509 CRL-----\n';
 
 // 证书吊销列表二进制数据，需业务自行赋值
-let encodingData = null;
-let encodingBlob = {
-    data: encodingData,
-    // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_PEM
+let encodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(crlData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
 };
-cryptoCert.createX509Crl(encodingBlob, function (error, x509Crl) {
-    if (error != null) {
-        console.log("createX509Crl failed, errCode: " + error.code + ", errMsg: " + error.message);
-    } else {
-        console.log("createX509Crl success");
-        x509Crl.getRevokedCerts(function (error, array) {
-            if (error != null) {
-                console.log("getRevokedCerts failed, errCode: " + error.code + ", errMsg: " + error.message);
-            } else {
-                console.log("getRevokedCerts success");
-            }
-        });
-    }
+
+certFramework.createX509Crl(encodingBlob, (error, x509Crl) => {
+  if (error != null) {
+    console.error('createX509Crl failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+  } else {
+    console.log('createX509Crl success');
+    x509Crl.getRevokedCerts((error, array) => {
+      if (error != null) {
+        console.error('getRevokedCerts failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+      } else {
+        console.log('getRevokedCerts success');
+      }
+    });
+  }
 });
 ```
 
@@ -2255,25 +3418,44 @@ getRevokedCerts() : Promise<Array\<X509CrlEntry>>
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+import { BusinessError } from '@ohos.base';
+
+// string转Uint8Array
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
+}
+
+let crlData = '-----BEGIN X509 CRL-----\n' +
+  'MIHzMF4CAQMwDQYJKoZIhvcNAQEEBQAwFTETMBEGA1UEAxMKQ1JMIGlzc3VlchcN\n' +
+  'MTcwODA3MTExOTU1WhcNMzIxMjE0MDA1MzIwWjAVMBMCAgPoFw0zMjEyMTQwMDUz\n' +
+  'MjBaMA0GCSqGSIb3DQEBBAUAA4GBACEPHhlaCTWA42ykeaOyR0SGQIHIOUR3gcDH\n' +
+  'J1LaNwiL+gDxI9rMQmlhsUGJmPIPdRs9uYyI+f854lsWYisD2PUEpn3DbEvzwYeQ\n' +
+  '5SqQoPDoM+YfZZa23hoTLsu52toXobP74sf/9K501p/+8hm4ROMLBoRT86GQKY6g\n' +
+  'eavsH0Q3\n' +
+  '-----END X509 CRL-----\n';
 
 // 证书吊销列表二进制数据，需业务自行赋值
-let encodingData = null;
-let encodingBlob = {
-    data: encodingData,
-    // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_PEM
+let encodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(crlData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
 };
-cryptoCert.createX509Crl(encodingBlob).then(x509Crl => {
-    console.log("createX509Crl success");
-    x509Crl.getRevokedCerts().then(array => {
-        console.log("getRevokedCerts success");
-    }, error => {
-        console.log("getRevokedCerts failed, errCode: " + error.code + ", errMsg: " + error.message);
-    });
-}, error => {
-    console.log("createX509Crl failed, errCode: " + error.code + ", errMsg: " + error.message);
+
+certFramework.createX509Crl(encodingBlob).then(x509Crl => {
+  console.log('createX509Crl success');
+  x509Crl.getRevokedCerts().then(array => {
+    console.log('getRevokedCerts success');
+  }).catch((error: BusinessError) => {
+    console.error('getRevokedCerts failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+  });
+}).catch((error: BusinessError) => {
+  console.error('createX509Crl failed, errCode: ' + error.code + ', errMsg: ' + error.message);
 });
 ```
 
@@ -2301,27 +3483,47 @@ getTbsInfo() : DataBlob
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+import { BusinessError } from '@ohos.base';
+
+// string转Uint8Array
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
+}
+
+let crlData = '-----BEGIN X509 CRL-----\n' +
+  'MIHzMF4CAQMwDQYJKoZIhvcNAQEEBQAwFTETMBEGA1UEAxMKQ1JMIGlzc3VlchcN\n' +
+  'MTcwODA3MTExOTU1WhcNMzIxMjE0MDA1MzIwWjAVMBMCAgPoFw0zMjEyMTQwMDUz\n' +
+  'MjBaMA0GCSqGSIb3DQEBBAUAA4GBACEPHhlaCTWA42ykeaOyR0SGQIHIOUR3gcDH\n' +
+  'J1LaNwiL+gDxI9rMQmlhsUGJmPIPdRs9uYyI+f854lsWYisD2PUEpn3DbEvzwYeQ\n' +
+  '5SqQoPDoM+YfZZa23hoTLsu52toXobP74sf/9K501p/+8hm4ROMLBoRT86GQKY6g\n' +
+  'eavsH0Q3\n' +
+  '-----END X509 CRL-----\n';
 
 // 证书吊销列表二进制数据，需业务自行赋值
-let encodingData = null;
-let encodingBlob = {
-    data: encodingData,
-    // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_PEM
+let encodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(crlData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
 };
-cryptoCert.createX509Crl(encodingBlob, function (error, x509Crl) {
-    if (error != null) {
-        console.log("createX509Crl failed, errCode: " + error.code + ", errMsg: " + error.message);
-    } else {
-        console.log("createX509Crl success");
-        try {
-            let tbsInfo = x509Crl.getTbsInfo();
-        } catch (error) {
-           console.log("getTbsInfo failed, errCode: " + error.code + ", errMsg: " + error.message);
-        }
+
+certFramework.createX509Crl(encodingBlob, (error, x509Crl) => {
+  if (error != null) {
+    console.error('createX509Crl failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+  } else {
+    console.log('createX509Crl success');
+    try {
+      let tbsInfo = x509Crl.getTbsInfo();
+    } catch (error) {
+      let e: BusinessError = error as BusinessError;
+      console.error('getTbsInfo failed, errCode: ' + e.code + ', errMsg: ' + e.message);
     }
+  }
 });
 ```
 
@@ -2349,23 +3551,47 @@ getSignature() : DataBlob
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+import { BusinessError } from '@ohos.base';
+
+// string转Uint8Array
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
+}
+
+let crlData = '-----BEGIN X509 CRL-----\n' +
+  'MIHzMF4CAQMwDQYJKoZIhvcNAQEEBQAwFTETMBEGA1UEAxMKQ1JMIGlzc3VlchcN\n' +
+  'MTcwODA3MTExOTU1WhcNMzIxMjE0MDA1MzIwWjAVMBMCAgPoFw0zMjEyMTQwMDUz\n' +
+  'MjBaMA0GCSqGSIb3DQEBBAUAA4GBACEPHhlaCTWA42ykeaOyR0SGQIHIOUR3gcDH\n' +
+  'J1LaNwiL+gDxI9rMQmlhsUGJmPIPdRs9uYyI+f854lsWYisD2PUEpn3DbEvzwYeQ\n' +
+  '5SqQoPDoM+YfZZa23hoTLsu52toXobP74sf/9K501p/+8hm4ROMLBoRT86GQKY6g\n' +
+  'eavsH0Q3\n' +
+  '-----END X509 CRL-----\n';
 
 // 证书吊销列表二进制数据，需业务自行赋值
-let encodingData = null;
-let encodingBlob = {
-    data: encodingData,
-    // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_PEM
+let encodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(crlData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
 };
-cryptoCert.createX509Crl(encodingBlob, function (error, x509Crl) {
-    if (error != null) {
-        console.log("createX509Crl failed, errCode: " + error.code + ", errMsg: " + error.message);
-    } else {
-        console.log("createX509Crl success");
-        let signature = x509Crl.getSignature();
+
+certFramework.createX509Crl(encodingBlob, (error, x509Crl) => {
+  if (error != null) {
+    console.error('createX509Crl failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+  } else {
+    console.log('createX509Crl success');
+    try {
+      let signature = x509Crl.getSignature();
+    } catch (err) {
+      let e: BusinessError = err as BusinessError;
+      console.error('getSignature failed, errCode: ' + e.code + ', errMsg: ' + e.message);
     }
+  }
 });
 ```
 
@@ -2393,23 +3619,47 @@ getSignatureAlgName() : string
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+import { BusinessError } from '@ohos.base';
+
+// string转Uint8Array
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
+}
+
+let crlData = '-----BEGIN X509 CRL-----\n' +
+  'MIHzMF4CAQMwDQYJKoZIhvcNAQEEBQAwFTETMBEGA1UEAxMKQ1JMIGlzc3VlchcN\n' +
+  'MTcwODA3MTExOTU1WhcNMzIxMjE0MDA1MzIwWjAVMBMCAgPoFw0zMjEyMTQwMDUz\n' +
+  'MjBaMA0GCSqGSIb3DQEBBAUAA4GBACEPHhlaCTWA42ykeaOyR0SGQIHIOUR3gcDH\n' +
+  'J1LaNwiL+gDxI9rMQmlhsUGJmPIPdRs9uYyI+f854lsWYisD2PUEpn3DbEvzwYeQ\n' +
+  '5SqQoPDoM+YfZZa23hoTLsu52toXobP74sf/9K501p/+8hm4ROMLBoRT86GQKY6g\n' +
+  'eavsH0Q3\n' +
+  '-----END X509 CRL-----\n';
 
 // 证书吊销列表二进制数据，需业务自行赋值
-let encodingData = null;
-let encodingBlob = {
-    data: encodingData,
-    // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_PEM
+let encodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(crlData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
 };
-cryptoCert.createX509Crl(encodingBlob, function (error, x509Crl) {
-    if (error != null) {
-        console.log("createX509Crl failed, errCode: " + error.code + ", errMsg: " + error.message);
-    } else {
-        console.log("createX509Crl success");
-        let sigAlgName = x509Crl.getSignatureAlgName();
+
+certFramework.createX509Crl(encodingBlob, (error, x509Crl) => {
+  if (error != null) {
+    console.error('createX509Crl failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+  } else {
+    console.log('createX509Crl success');
+    try {
+      let sigAlgName = x509Crl.getSignatureAlgName();
+    } catch (err) {
+      let e: BusinessError = err as BusinessError;
+      console.error('getSignatureAlgName failed, errCode: ' + e.code + ', errMsg: ' + e.message);
     }
+  }
 });
 ```
 
@@ -2437,23 +3687,47 @@ getSignatureAlgOid() : string
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+import { BusinessError } from '@ohos.base';
+
+// string转Uint8Array
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
+}
+
+let crlData = '-----BEGIN X509 CRL-----\n' +
+  'MIHzMF4CAQMwDQYJKoZIhvcNAQEEBQAwFTETMBEGA1UEAxMKQ1JMIGlzc3VlchcN\n' +
+  'MTcwODA3MTExOTU1WhcNMzIxMjE0MDA1MzIwWjAVMBMCAgPoFw0zMjEyMTQwMDUz\n' +
+  'MjBaMA0GCSqGSIb3DQEBBAUAA4GBACEPHhlaCTWA42ykeaOyR0SGQIHIOUR3gcDH\n' +
+  'J1LaNwiL+gDxI9rMQmlhsUGJmPIPdRs9uYyI+f854lsWYisD2PUEpn3DbEvzwYeQ\n' +
+  '5SqQoPDoM+YfZZa23hoTLsu52toXobP74sf/9K501p/+8hm4ROMLBoRT86GQKY6g\n' +
+  'eavsH0Q3\n' +
+  '-----END X509 CRL-----\n';
 
 // 证书吊销列表二进制数据，需业务自行赋值
-let encodingData = null;
-let encodingBlob = {
-    data: encodingData,
-    // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_PEM
+let encodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(crlData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
 };
-cryptoCert.createX509Crl(encodingBlob, function (error, x509Crl) {
-    if (error != null) {
-        console.log("createX509Crl failed, errCode: " + error.code + ", errMsg: " + error.message);
-    } else {
-        console.log("createX509Crl success");
-        let sigAlgOid = x509Crl.getSignatureAlgOid();
+
+certFramework.createX509Crl(encodingBlob, (error, x509Crl) => {
+  if (error != null) {
+    console.error('createX509Crl failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+  } else {
+    console.log('createX509Crl success');
+    try {
+      let sigAlgOid = x509Crl.getSignatureAlgOid();
+    } catch (err) {
+      let e: BusinessError = err as BusinessError;
+      console.error('getSignatureAlgOid failed, errCode: ' + e.code + ', errMsg: ' + e.message);
     }
+  }
 });
 ```
 
@@ -2481,23 +3755,47 @@ getSignatureAlgParams() : DataBlob
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+import { BusinessError } from '@ohos.base';
+
+// string转Uint8Array
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
+}
+
+let crlData = '-----BEGIN X509 CRL-----\n' +
+  'MIHzMF4CAQMwDQYJKoZIhvcNAQEEBQAwFTETMBEGA1UEAxMKQ1JMIGlzc3VlchcN\n' +
+  'MTcwODA3MTExOTU1WhcNMzIxMjE0MDA1MzIwWjAVMBMCAgPoFw0zMjEyMTQwMDUz\n' +
+  'MjBaMA0GCSqGSIb3DQEBBAUAA4GBACEPHhlaCTWA42ykeaOyR0SGQIHIOUR3gcDH\n' +
+  'J1LaNwiL+gDxI9rMQmlhsUGJmPIPdRs9uYyI+f854lsWYisD2PUEpn3DbEvzwYeQ\n' +
+  '5SqQoPDoM+YfZZa23hoTLsu52toXobP74sf/9K501p/+8hm4ROMLBoRT86GQKY6g\n' +
+  'eavsH0Q3\n' +
+  '-----END X509 CRL-----\n';
 
 // 证书吊销列表二进制数据，需业务自行赋值
-let encodingData = null;
-let encodingBlob = {
-    data: encodingData,
-    // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_PEM
+let encodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(crlData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
 };
-cryptoCert.createX509Crl(encodingBlob, function (error, x509Crl) {
-    if (error != null) {
-        console.log("createX509Crl failed, errCode: " + error.code + ", errMsg: " + error.message);
-    } else {
-        console.log("createX509Crl success");
-        let sigAlgParams = x509Crl.getSignatureAlgParams();
+
+certFramework.createX509Crl(encodingBlob, (error, x509Crl) => {
+  if (error != null) {
+    console.error('createX509Crl failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+  } else {
+    console.log('createX509Crl success');
+    try {
+      let sigAlgParams = x509Crl.getSignatureAlgParams();
+    } catch (err) {
+      let e: BusinessError = error as BusinessError;
+      console.error('getSignatureAlgParams failed, errCode: ' + e.code + ', errMsg: ' + e.message);
     }
+  }
 });
 ```
 
@@ -2531,10 +3829,16 @@ createCertChainValidator(algorithm :string) : CertChainValidator
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+import { BusinessError } from '@ohos.base';
 
-let validator = cryptoCert.createCertChainValidator("PKIX");
+try {
+  let validator = certFramework.createCertChainValidator('PKIX');
+} catch (error) {
+  let e: BusinessError = error as BusinessError;
+  console.error('createCertChainValidator failed, errCode: ' + e.code + ', errMsg: ' + e.message);
+}
 ```
 
 ## CertChainValidator
@@ -2583,27 +3887,34 @@ validate(certChain : CertChainData, callback : AsyncCallback\<void>) : void
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+import { BusinessError } from '@ohos.base';
 
-let validator = cryptoCert.createCertChainValidator("PKIX");
 // 证书链二进制数据，需业务自行赋值
-let encodingData = null;
-// 证书链包含的证书个数，需业务自行赋值
-let certCount = 2;
-let certChainData = {
-    data: encodingData,
-    count: certCount,
-    // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_PEM 
+let certChainBuff = new Uint8Array([0x30, 0x82, 0x44]);
+
+let certChainData: certFramework.CertChainData = {
+  data: certChainBuff,
+  // 证书链包含的证书个数，需业务自行赋值
+  count: 2,
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
 };
-validator.validate(certChainData, function (error, data) {
+
+try {
+  let validator = certFramework.createCertChainValidator('PKIX');
+  validator.validate(certChainData, (error, data) => {
     if (error != null) {
-        console.log("validate failed, errCode: " + error.code + ", errMsg: " + error.message);
+      console.error('validate failed, errCode: ' + error.code + ', errMsg: ' + error.message);
     } else {
-        console.log("validate success");
+      console.log('validate success');
     }
-});
+  });
+} catch (error) {
+  let e: BusinessError = error as BusinessError;
+  console.error('getNotBeforeTime failed, errCode: ' + e.code + ', errMsg: ' + e.message);
+}
 ```
 
 ### validate
@@ -2643,25 +3954,32 @@ validate(certChain : CertChainData) : Promise\<void>
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+import { BusinessError } from '@ohos.base';
 
-let validator = cryptoCert.createCertChainValidator("PKIX");
 // 证书链二进制数据，需业务自行赋值
-let encodingData = null;
-// 证书链包含的证书个数，需业务自行赋值
-let certCount = 2;
-let certChainData = {
-    data: encodingData,
-    count: certCount,
-    // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_PEM 
+let certChainBuff = new Uint8Array([0x30, 0x82, 0x44]);
+
+let certChainData: certFramework.CertChainData = {
+  data: certChainBuff,
+  // 证书链包含的证书个数，需业务自行赋值
+  count: 2,
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
 };
-validator.validate(certChainData).then(result => {
-    console.log("validate success");
-}, error => {
-    console.log("validate failed, errCode: " + error.code + ", errMsg: " + error.message);
-});
+
+try {
+  let validator = certFramework.createCertChainValidator('PKIX');
+  validator.validate(certChainData).then(result => {
+    console.log('validate success');
+  }).catch((error: BusinessError) => {
+    console.error('validate failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+  });
+} catch (error) {
+  let e: BusinessError = error as BusinessError;
+  console.error('getNotBeforeTime failed, errCode: ' + e.code + ', errMsg: ' + e.message);
+}
 ```
 
 ### algorithm
@@ -2680,11 +3998,17 @@ algorithm : string
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+import { BusinessError } from '@ohos.base';
 
-let validator = cryptoCert.createCertChainValidator("PKIX");
-let algorithm = validator.algorithm;
+try {
+  let validator = certFramework.createCertChainValidator('PKIX');
+  let algorithm = validator.algorithm;
+} catch (error) {
+  let e: BusinessError = error as BusinessError;
+  console.error('createCertChainValidator failed, errCode: ' + e.code + ', errMsg: ' + e.message);
+}
 ```
 
 ## X509CrlEntry
@@ -2715,18 +4039,56 @@ getEncoded(callback : AsyncCallback\<EncodingBlob>) : void
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+import { BusinessError } from '@ohos.base';
+
+// string转Uint8Array
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
+}
+
+let crlData = '-----BEGIN X509 CRL-----\n' +
+  'MIHzMF4CAQMwDQYJKoZIhvcNAQEEBQAwFTETMBEGA1UEAxMKQ1JMIGlzc3VlchcN\n' +
+  'MTcwODA3MTExOTU1WhcNMzIxMjE0MDA1MzIwWjAVMBMCAgPoFw0zMjEyMTQwMDUz\n' +
+  'MjBaMA0GCSqGSIb3DQEBBAUAA4GBACEPHhlaCTWA42ykeaOyR0SGQIHIOUR3gcDH\n' +
+  'J1LaNwiL+gDxI9rMQmlhsUGJmPIPdRs9uYyI+f854lsWYisD2PUEpn3DbEvzwYeQ\n' +
+  '5SqQoPDoM+YfZZa23hoTLsu52toXobP74sf/9K501p/+8hm4ROMLBoRT86GQKY6g\n' +
+  'eavsH0Q3\n' +
+  '-----END X509 CRL-----\n'
+
+let encodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(crlData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
+};
 
-// 业务需通过X509Crl的getRevokedCert相关方法获取X509CrlEntry
-let x509CrlEntry = null;
-x509CrlEntry.getEncoded(function (error, data) {
-    if (error != null) {
-        console.log("getEncoded failed, errCode: " + error.code + ", errMsg: " + error.message);
-    } else {
-        console.log("getEncoded success");
+certFramework.createX509Crl(encodingBlob, (err, x509Crl) => {
+  if (err != null) {
+    console.error('createX509Crl failed, errCode: ' + err.code + ', errMsg: ' + err.message);
+  } else {
+    console.log('create x509 crl success');
+
+    try {
+      let serialNumber = 1000;
+      let crlEntry = x509Crl.getRevokedCert(serialNumber);
+      crlEntry.getEncoded((error, data) => {
+        if (error != null) {
+          console.error('getEncoded failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+        } else {
+          console.log('getEncoded success');
+        }
+      });
+    } catch (error) {
+      let e: BusinessError = error as BusinessError;
+      console.error('getRevokedCert failed, errCode: ' + e.code + ', errMsg: ' + e.message);
     }
-});
+  }
+})
 ```
 
 ### getEncoded
@@ -2753,16 +4115,54 @@ getEncoded() : Promise\<EncodingBlob>
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+import { BusinessError } from '@ohos.base';
+
+// string转Uint8Array
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
+}
 
-// 业务需通过X509Crl的getRevokedCert相关方法获取X509CrlEntry
-let x509CrlEntry = null;
-x509CrlEntry.getEncoded().then(result => {
-    console.log("getEncoded success");
-}, error => {
-    console.log("getEncoded failed, errCode: " + error.code + ", errMsg: " + error.message);
-});
+let crlData = '-----BEGIN X509 CRL-----\n' +
+  'MIHzMF4CAQMwDQYJKoZIhvcNAQEEBQAwFTETMBEGA1UEAxMKQ1JMIGlzc3VlchcN\n' +
+  'MTcwODA3MTExOTU1WhcNMzIxMjE0MDA1MzIwWjAVMBMCAgPoFw0zMjEyMTQwMDUz\n' +
+  'MjBaMA0GCSqGSIb3DQEBBAUAA4GBACEPHhlaCTWA42ykeaOyR0SGQIHIOUR3gcDH\n' +
+  'J1LaNwiL+gDxI9rMQmlhsUGJmPIPdRs9uYyI+f854lsWYisD2PUEpn3DbEvzwYeQ\n' +
+  '5SqQoPDoM+YfZZa23hoTLsu52toXobP74sf/9K501p/+8hm4ROMLBoRT86GQKY6g\n' +
+  'eavsH0Q3\n' +
+  '-----END X509 CRL-----\n'
+
+let encodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(crlData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
+};
+
+certFramework.createX509Crl(encodingBlob, (err, x509Crl) => {
+  if (err != null) {
+    console.error('createX509Crl failed, errCode: ' + err.code + ', errMsg: ' + err.message);
+  } else {
+    console.log('create x509 crl success');
+
+    try {
+      let serialNumber = 1000;
+      let crlEntry = x509Crl.getRevokedCert(serialNumber);
+      crlEntry.getEncoded().then(result => {
+        console.log('getEncoded success');
+      }).catch((error: BusinessError) => {
+        console.error('getEncoded failed, errCode: ' + error.code + ', errMsg: ' + error.message);
+      });
+    } catch (error) {
+      let e: BusinessError = error as BusinessError;
+      console.error('getRevokedCert failed, errCode: ' + e.code + ', errMsg: ' + e.message);
+    }
+  }
+})
 ```
 
 ### getSerialNumber
@@ -2781,12 +4181,50 @@ getSerialNumber() : number
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+import { BusinessError } from '@ohos.base';
+
+// string转Uint8Array
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
+}
 
-// 业务需通过X509Crl的getRevokedCert相关方法获取X509CrlEntry
-let x509CrlEntry = null;
-let serialNumber = x509CrlEntry.getSerialNumber();
+let crlData = '-----BEGIN X509 CRL-----\n' +
+  'MIHzMF4CAQMwDQYJKoZIhvcNAQEEBQAwFTETMBEGA1UEAxMKQ1JMIGlzc3VlchcN\n' +
+  'MTcwODA3MTExOTU1WhcNMzIxMjE0MDA1MzIwWjAVMBMCAgPoFw0zMjEyMTQwMDUz\n' +
+  'MjBaMA0GCSqGSIb3DQEBBAUAA4GBACEPHhlaCTWA42ykeaOyR0SGQIHIOUR3gcDH\n' +
+  'J1LaNwiL+gDxI9rMQmlhsUGJmPIPdRs9uYyI+f854lsWYisD2PUEpn3DbEvzwYeQ\n' +
+  '5SqQoPDoM+YfZZa23hoTLsu52toXobP74sf/9K501p/+8hm4ROMLBoRT86GQKY6g\n' +
+  'eavsH0Q3\n' +
+  '-----END X509 CRL-----\n'
+
+let encodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(crlData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
+};
+
+certFramework.createX509Crl(encodingBlob, (err, x509Crl) => {
+  if (err != null) {
+    console.error('createX509Crl failed, errCode: ' + err.code + ', errMsg: ' + err.message);
+  } else {
+    console.log('create x509 crl success');
+
+    try {
+      let serialNumber = 1000;
+      let crlEntry = x509Crl.getRevokedCert(serialNumber);
+      serialNumber = crlEntry.getSerialNumber();
+    } catch (error) {
+      let e: BusinessError = error as BusinessError;
+      console.error('getRevokedCert or getSerialNumber failed, errCode: ' + e.code + ', errMsg: ' + e.message);
+    }
+  }
+})
 ```
 
 ### getCertIssuer
@@ -2812,16 +4250,50 @@ getCertIssuer() : DataBlob
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
-
-// 业务需通过X509Crl的getRevokedCert相关方法获取X509CrlEntry
-let x509CrlEntry = null;
-try {
-    let issuer = x509CrlEntry.getCertIssuer();
-} catch (error) {
-    console.log("getCertIssuer failed, errCode: " + error.code + ", errMsg: " + error.message);
+```ts
+import certFramework from '@ohos.security.cert';
+import { BusinessError } from '@ohos.base';
+
+// string转Uint8Array
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
 }
+
+let crlData = '-----BEGIN X509 CRL-----\n' +
+  'MIHzMF4CAQMwDQYJKoZIhvcNAQEEBQAwFTETMBEGA1UEAxMKQ1JMIGlzc3VlchcN\n' +
+  'MTcwODA3MTExOTU1WhcNMzIxMjE0MDA1MzIwWjAVMBMCAgPoFw0zMjEyMTQwMDUz\n' +
+  'MjBaMA0GCSqGSIb3DQEBBAUAA4GBACEPHhlaCTWA42ykeaOyR0SGQIHIOUR3gcDH\n' +
+  'J1LaNwiL+gDxI9rMQmlhsUGJmPIPdRs9uYyI+f854lsWYisD2PUEpn3DbEvzwYeQ\n' +
+  '5SqQoPDoM+YfZZa23hoTLsu52toXobP74sf/9K501p/+8hm4ROMLBoRT86GQKY6g\n' +
+  'eavsH0Q3\n' +
+  '-----END X509 CRL-----\n'
+
+let encodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(crlData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
+};
+
+certFramework.createX509Crl(encodingBlob, (err, x509Crl) => {
+  if (err != null) {
+    console.error('createX509Crl failed, errCode: ' + err.code + ', errMsg: ' + err.message);
+  } else {
+    console.log('create x509 crl success');
+
+    try {
+      let serialNumber = 1000;
+      let crlEntry = x509Crl.getRevokedCert(serialNumber);
+      let issuer = crlEntry.getCertIssuer();
+    } catch (error) {
+      let e: BusinessError = error as BusinessError;
+      console.error('getRevokedCert or getCertIssuer failed, errCode: ' + e.code + ', errMsg: ' + e.message);
+    }
+  }
+})
 ```
 
 ### getRevocationDate
@@ -2848,14 +4320,48 @@ getRevocationDate() : string
 
 **示例：**
 
-```js
-import cryptoCert from '@ohos.security.cert';
-
-// 业务需通过X509Crl的getRevokedCert相关方法获取X509CrlEntry
-let x509CrlEntry = null;
-try {
-    let date = x509CrlEntry.getRevocationDate();
-} catch (error) {
-    console.log("getRevocationDate failed, errCode: " + error.code + ", errMsg: " + error.message);
+```ts
+import certFramework from '@ohos.security.cert';
+import { BusinessError } from '@ohos.base';
+
+// string转Uint8Array
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
 }
+
+let crlData = '-----BEGIN X509 CRL-----\n' +
+  'MIHzMF4CAQMwDQYJKoZIhvcNAQEEBQAwFTETMBEGA1UEAxMKQ1JMIGlzc3VlchcN\n' +
+  'MTcwODA3MTExOTU1WhcNMzIxMjE0MDA1MzIwWjAVMBMCAgPoFw0zMjEyMTQwMDUz\n' +
+  'MjBaMA0GCSqGSIb3DQEBBAUAA4GBACEPHhlaCTWA42ykeaOyR0SGQIHIOUR3gcDH\n' +
+  'J1LaNwiL+gDxI9rMQmlhsUGJmPIPdRs9uYyI+f854lsWYisD2PUEpn3DbEvzwYeQ\n' +
+  '5SqQoPDoM+YfZZa23hoTLsu52toXobP74sf/9K501p/+8hm4ROMLBoRT86GQKY6g\n' +
+  'eavsH0Q3\n' +
+  '-----END X509 CRL-----\n'
+
+let encodingBlob: certFramework.EncodingBlob = {
+  data: stringToUint8Array(crlData),
+  // 根据encodingData的格式进行赋值，支持FORMAT_PEM和FORMAT_DER
+  encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
+};
+
+certFramework.createX509Crl(encodingBlob, (err, x509Crl) => {
+  if (err != null) {
+    console.error('createX509Crl failed, errCode: ' + err.code + ', errMsg: ' + err.message);
+  } else {
+    console.log('create x509 crl success');
+
+    try {
+      let serialNumber = 1000;
+      let crlEntry = x509Crl.getRevokedCert(serialNumber);
+      let date = crlEntry.getRevocationDate();
+    } catch (error) {
+      let e: BusinessError = error as BusinessError;
+      console.error('getRevokedCert or getRevocationDate failed, errCode: ' + e.code + ', errMsg: ' + e.message);
+    }
+  }
+})
 ```
diff --git a/zh-cn/application-dev/reference/apis/js-apis-commonEvent.md b/zh-cn/application-dev/reference/apis/js-apis-commonEvent.md
index 372c407d57f1c0ef3ff7e73222d5c7e67e587947..f9704f9b3102a1b3ee2b7a474b726b17bea3752d 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-commonEvent.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-commonEvent.md
@@ -11,8 +11,6 @@
 
 ```ts
 import CommonEvent from '@ohos.commonEvent';
-import CommonEventManager from '@ohos.commonEventManager';
-import Base from '@ohos.base';
 ```
 
 ## Support
@@ -42,6 +40,8 @@ publish(event: string, callback: AsyncCallback\<void>): void
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 //发布公共事件回调
 function publishCB(err:Base.BusinessError) {
 	if (err.code) {
@@ -78,6 +78,9 @@ publish(event: string, options: CommonEventPublishData, callback: AsyncCallback\
 
 
 ```ts
+import Base from '@ohos.base';
+import CommonEventManager from '@ohos.commonEventManager';
+
 //公共事件相关信息
 let options:CommonEventManager.CommonEventPublishData = {
 	code: 0,			 //公共事件的初始代码
@@ -122,6 +125,8 @@ publishAsUser(event: string, userId: number, callback: AsyncCallback\<void>): vo
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 // 发布公共事件回调
 function publishCB(err:Base.BusinessError) {
 	if (err.code) {
@@ -164,6 +169,9 @@ publishAsUser(event: string, userId: number, options: CommonEventPublishData, ca
 
 
 ```ts
+import Base from '@ohos.base';
+import CommonEventManager from '@ohos.commonEventManager';
+
 // 公共事件相关信息
 let options:CommonEventManager.CommonEventPublishData = {
 	code: 0,			 // 公共事件的初始代码
@@ -208,6 +216,9 @@ createSubscriber(subscribeInfo: CommonEventSubscribeInfo, callback: AsyncCallbac
 
 
 ```ts
+import Base from '@ohos.base';
+import CommonEventManager from '@ohos.commonEventManager';
+
 let subscriber:CommonEventManager.CommonEventSubscriber; // 用于保存创建成功的订阅者对象，后续使用其完成订阅及退订的动作
 
 // 订阅者信息
@@ -254,6 +265,9 @@ createSubscriber(subscribeInfo: CommonEventSubscribeInfo): Promise\<CommonEventS
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+import CommonEventManager from '@ohos.commonEventManager';
+
 let subscriber:CommonEventManager.CommonEventSubscriber; // 用于保存创建成功的订阅者对象，后续使用其完成订阅及退订的动作
 
 // 订阅者信息
@@ -291,6 +305,9 @@ subscribe(subscriber: CommonEventSubscriber, callback: AsyncCallback\<CommonEven
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+import CommonEventManager from '@ohos.commonEventManager';
+
 let subscriber:CommonEventManager.CommonEventSubscriber;// 用于保存创建成功的订阅者对象，后续使用其完成订阅及退订的动作
 
 // 订阅者信息
@@ -344,6 +361,9 @@ unsubscribe(subscriber: CommonEventSubscriber, callback?: AsyncCallback\<void>):
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+import CommonEventManager from '@ohos.commonEventManager';
+
 let subscriber:CommonEventManager.CommonEventSubscriber;	// 用于保存创建成功的订阅者对象，后续使用其完成订阅及退订的动作
 
 // 订阅者信息
diff --git a/zh-cn/application-dev/reference/apis/js-apis-commonEventManager.md b/zh-cn/application-dev/reference/apis/js-apis-commonEventManager.md
index b9b9a51618bf6e950636f3f5b0ea84efd410bfcb..4ac2b28bfad1c6d81a92cc0dc606906ac557e597 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-commonEventManager.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-commonEventManager.md
@@ -10,7 +10,6 @@
 
 ```ts
 import CommonEventManager from '@ohos.commonEventManager';
-import Base from '@ohos.base';
 ```
 
 ## Support
@@ -48,6 +47,8 @@ publish(event: string, callback: AsyncCallback\<void>): void
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 //发布公共事件回调
 function publishCB(err:Base.BusinessError) {
     if (err) {
@@ -60,7 +61,8 @@ function publishCB(err:Base.BusinessError) {
 //发布公共事件
 try {
     CommonEventManager.publish("event", publishCB);
-} catch(err) {
+} catch (error) {
+    let err:Base.BusinessError = error as Base.BusinessError;
     console.error(`publish failed, code is ${err.code}, message is ${err.message}`);
 }
 ```
@@ -95,6 +97,8 @@ publish(event: string, options: CommonEventPublishData, callback: AsyncCallback\
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 //公共事件相关信息
 let options:CommonEventManager.CommonEventPublishData = {
 	code: 0,			 //公共事件的初始代码
@@ -114,7 +118,8 @@ function publishCB(err:Base.BusinessError) {
 //发布公共事件
 try {
     CommonEventManager.publish("event", options, publishCB);
-} catch (err) {
+} catch (error) {
+    let err:Base.BusinessError = error as Base.BusinessError;
     console.error(`publish failed, code is ${err.code}, message is ${err.message}`);
 }
 ```
@@ -151,6 +156,8 @@ publishAsUser(event: string, userId: number, callback: AsyncCallback\<void>): vo
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 //发布公共事件回调
 function publishCB(err:Base.BusinessError) {
 	if (err) {
@@ -166,7 +173,8 @@ let userId = 100;
 //发布公共事件
 try {
     CommonEventManager.publishAsUser("event", userId, publishCB);
-} catch (err) {
+} catch (error) {
+    let err:Base.BusinessError = error as Base.BusinessError;
     console.error(`publishAsUser failed, code is ${err.code}, message is ${err.message}`);
 }
 ```
@@ -205,6 +213,8 @@ publishAsUser(event: string, userId: number, options: CommonEventPublishData, ca
 
 
 ```ts
+import Base from '@ohos.base';
+
 //公共事件相关信息
 let options:CommonEventManager.CommonEventPublishData = {
 	code: 0,			 //公共事件的初始代码
@@ -226,7 +236,8 @@ let userId = 100;
 //发布公共事件
 try {
     CommonEventManager.publishAsUser("event", userId, options, publishCB);
-} catch (err) {
+} catch (error) {
+    let err:Base.BusinessError = error as Base.BusinessError;
     console.error(`publishAsUser failed, code is ${err.code}, message is ${err.message}`);
 }
 ```
@@ -249,6 +260,8 @@ createSubscriber(subscribeInfo: CommonEventSubscribeInfo, callback: AsyncCallbac
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 let subscriber:CommonEventManager.CommonEventSubscriber; //用于保存创建成功的订阅者对象，后续使用其完成订阅及退订的动作
 
 //订阅者信息
@@ -269,7 +282,8 @@ function createCB(err:Base.BusinessError, commonEventSubscriber:CommonEventManag
 //创建订阅者
 try {
     CommonEventManager.createSubscriber(subscribeInfo, createCB);
-} catch (err) {
+} catch (error) {
+    let err:Base.BusinessError = error as Base.BusinessError;
     console.error(`createSubscriber failed, code is ${err.code}, message is ${err.message}`);
 }
 ```
@@ -296,6 +310,8 @@ createSubscriber(subscribeInfo: CommonEventSubscribeInfo): Promise\<CommonEventS
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 let subscriber:CommonEventManager.CommonEventSubscriber; //用于保存创建成功的订阅者对象，后续使用其完成订阅及退订的动作
 
 //订阅者信息
@@ -335,6 +351,8 @@ createSubscriber的同步接口。
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 let subscriber; //用于保存创建成功的订阅者对象，后续使用其完成订阅及退订的动作
 
 //订阅者信息
@@ -345,7 +363,8 @@ let subscribeInfo = {
 //创建订阅者
 try {
     subscriber = CommonEventManager.createSubscriberSync(subscribeInfo);
-} catch (err) {
+} catch (error) {
+    let err:Base.BusinessError = error as Base.BusinessError;
     console.error(`createSubscriberSync failed, code is ${err.code}, message is ${err.message}`);
 }
 
@@ -379,6 +398,8 @@ subscribe(subscriber: CommonEventSubscriber, callback: AsyncCallback\<CommonEven
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 //订阅者信息
 let subscriber:CommonEventManager.CommonEventSubscriber; //用于保存创建成功的订阅者对象，后续使用其完成订阅及退订的动作
 
@@ -404,7 +425,8 @@ function createCB(err:Base.BusinessError, commonEventSubscriber:CommonEventManag
         //订阅公共事件
         try {
             CommonEventManager.subscribe(subscriber, SubscribeCB);
-        } catch (err) {
+        } catch (error) {
+            let err:Base.BusinessError = error as Base.BusinessError;
             console.error(`subscribe failed, code is ${err.code}, message is ${err.message}`);
         }
     } else {
@@ -415,7 +437,8 @@ function createCB(err:Base.BusinessError, commonEventSubscriber:CommonEventManag
 //创建订阅者
 try {
     CommonEventManager.createSubscriber(subscribeInfo, createCB);
-} catch (err) {
+} catch (error) {
+    let err:Base.BusinessError = error as Base.BusinessError;
     console.error(`createSubscriber failed, code is ${err.code}, message is ${err.message}`);
 }
 ```
@@ -448,6 +471,8 @@ unsubscribe(subscriber: CommonEventSubscriber, callback?: AsyncCallback\<void>):
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 let subscriber:CommonEventManager.CommonEventSubscriber; //用于保存创建成功的订阅者对象，后续使用其完成订阅及退订的动作
 //订阅者信息
 let subscribeInfo:CommonEventManager.CommonEventSubscribeInfo = {
@@ -471,7 +496,8 @@ function createCB(err:Base.BusinessError, commonEventSubscriber:CommonEventManag
         //订阅公共事件
         try {
             CommonEventManager.subscribe(subscriber, subscribeCB);
-        } catch(err) {
+        } catch (error) {
+            let err:Base.BusinessError = error as Base.BusinessError;
             console.error(`subscribe failed, code is ${err.code}, message is ${err.message}`);
         }
     }
@@ -487,14 +513,16 @@ function unsubscribeCB(err:Base.BusinessError) {
 //创建订阅者
 try {
     CommonEventManager.createSubscriber(subscribeInfo, createCB);
-} catch (err) {
+} catch (error) {
+    let err:Base.BusinessError = error as Base.BusinessError;
     console.error(`createSubscriber failed, code is ${err.code}, message is ${err.message}`);
 }
 
 //取消订阅公共事件
 try {
     CommonEventManager.unsubscribe(subscriber, unsubscribeCB);
-} catch (err) {
+} catch (error) {
+    let err:Base.BusinessError = error as Base.BusinessError;
     console.error(`unsubscribe failed, code is ${err.code}, message is ${err.message}`);
 }
 ```
@@ -532,6 +560,8 @@ removeStickyCommonEvent(event: string, callback: AsyncCallback\<void>): void
 
 
 ```ts
+import Base from '@ohos.base';
+
 CommonEventManager.removeStickyCommonEvent("sticky_event", (err:Base.BusinessError) => {
     if (err) {
         console.info(`Remove sticky event AsyncCallback failed, errCode: ${err.code}, errMes: ${err.message}`);
@@ -579,6 +609,8 @@ removeStickyCommonEvent(event: string): Promise\<void>
 
 
 ```ts
+import Base from '@ohos.base';
+
 CommonEventManager.removeStickyCommonEvent("sticky_event").then(() => {
     console.info(`Remove sticky event AsyncCallback success`);
 }).catch ((err:Base.BusinessError) => {
@@ -616,12 +648,14 @@ setStaticSubscriberState(enable: boolean, callback: AsyncCallback\<void>): void;
 
 
 ```ts
+import Base from '@ohos.base';
+
 CommonEventManager.setStaticSubscriberState(true, (err:Base.BusinessError) => {
     if (!err) {
         console.info(`Set static subscriber state callback failed, err is null.`);
         return;
     }
-    if (err.code) {
+    if (err.code !== undefined && err.code != null) {
         console.info(`Set static subscriber state callback failed, errCode: ${err.code}, errMes: ${err.message}`);
         return;
     }
@@ -664,6 +698,8 @@ setStaticSubscriberState(enable: boolean): Promise\<void>;
 
 
 ```ts
+import Base from '@ohos.base';
+
 CommonEventManager.setStaticSubscriberState(false).then(() => {
     console.info(`Set static subscriber state promise success`);
 }).catch ((err:Base.BusinessError) => {
diff --git a/zh-cn/application-dev/reference/apis/js-apis-data-DataShareResultSet.md b/zh-cn/application-dev/reference/apis/js-apis-data-DataShareResultSet.md
index 19c48240cb78a981159e00814e80e34567f6c92f..f390d1878679a0bc4f82b058ba6ba36a0b87c8c1 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-data-DataShareResultSet.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-data-DataShareResultSet.md
@@ -24,27 +24,29 @@ import dataShare from '@ohos.data.dataShare';
 import dataSharePredicates from '@ohos.data.dataSharePredicates'
 import { BusinessError } from '@ohos.base'
 
-let dataShareHelper: dataShare.DataShareHelper;
+let dataShareHelper: dataShare.DataShareHelper | undefined = undefined;
 let uri = ("datashare:///com.samples.datasharetest.DataShare");
 await dataShare.createDataShareHelper(this.context, uri, (err, data) => {
-	if (err != undefined) {
-        console.error("createDataShareHelper fail, error message : " + err);
-    } else {
-        console.info("createDataShareHelper end, data : " + data);
-        dataShareHelper = data;
-    }
+  if (err != undefined) {
+    console.error("createDataShareHelper fail, error message : " + err);
+  } else {
+    console.info("createDataShareHelper end, data : " + data);
+    dataShareHelper = data;
+  }
 });
 
 let columns = ["*"];
 let da = new dataSharePredicates.DataSharePredicates();
-let resultSet: DataShareResultSet;
+let resultSet: DataShareResultSet | undefined = undefined;
 da.equalTo("name", "ZhangSan");
-dataShareHelper.query(uri, da, columns).then((data: DataShareResultSet) => {
+if (dataShareHelper != undefined) {
+  (dataShareHelper as dataShare.DataShareHelper).query(uri, da, columns).then((data: DataShareResultSet) => {
     console.info("query end, data : " + data);
     resultSet = data;
-}).catch((err: BusinessError) => {
-	console.error("query fail, error message : " + err);
-});
+  }).catch((err: BusinessError) => {
+    console.error("query fail, error message : " + err);
+  });
+}
 ```
 
 ## DataShareResultSet
@@ -78,8 +80,10 @@ goToFirstRow(): boolean
 **示例：**
 
 ```ts
-let isGoTOFirstRow = resultSet.goToFirstRow();
-console.info('resultSet.goToFirstRow: ' + isGoTOFirstRow);
+if (resultSet != undefined) {
+  let isGoToFirstRow = (resultSet as DataShareResultSet).goToFirstRow();
+  console.info('resultSet.goToFirstRow: ' + isGoToFirstRow);
+}
 ```
 
 ### goToLastRow
@@ -99,8 +103,10 @@ goToLastRow(): boolean
 **示例：**
 
 ```ts
-let isGoToLastRow = resultSet.goToLastRow();
-console.info('resultSet.goToLastRow: ' + isGoToLastRow);
+if (resultSet != undefined) {
+  let isGoToLastRow = (resultSet as DataShareResultSet).goToLastRow();
+  console.info('resultSet.goToLastRow: ' + isGoToLastRow);
+}
 ```
 
 ### goToNextRow
@@ -120,8 +126,10 @@ goToNextRow(): boolean
 **示例：**
 
 ```ts
-let isGoToNextRow = resultSet.goToNextRow();
-console.info('resultSet.goToNextRow: ' + isGoToNextRow);
+if (resultSet != undefined) {
+  let isGoToNextRow = (resultSet as DataShareResultSet).goToNextRow();
+  console.info('resultSet.goToNextRow: ' + isGoToNextRow);
+}
 ```
 
 ### goToPreviousRow
@@ -141,8 +149,10 @@ goToPreviousRow(): boolean
 **示例：**
 
 ```ts
-let isGoToPreviousRow = resultSet.goToPreviousRow();
-console.info('resultSet.goToPreviousRow: ' + isGoToPreviousRow);
+if (resultSet != undefined) {
+  let isGoToPreviousRow = (resultSet as DataShareResultSet).goToPreviousRow();
+  console.info('resultSet.goToPreviousRow: ' + isGoToPreviousRow);
+}
 ```
 
 ### goTo
@@ -169,8 +179,10 @@ goTo(offset:number): boolean
 
 ```ts
 let goToNum = 1;
-let isGoTo = resultSet.goTo(goToNum);
-console.info('resultSet.goTo: ' + isGoTo);
+if (resultSet != undefined) {
+  let isGoTo = (resultSet as DataShareResultSet).goTo(goToNum);
+  console.info('resultSet.goTo: ' + isGoTo);
+}
 ```
 
 ### goToRow
@@ -197,8 +209,10 @@ goToRow(position: number): boolean
 
 ```ts
 let goToRowNum = 2;
-let isGoToRow = resultSet.goToRow(goToRowNum);
-console.info('resultSet.goToRow: ' + isGoToRow);
+if (resultSet != undefined) {
+  let isGoToRow = (resultSet as DataShareResultSet).goToRow(goToRowNum);
+  console.info('resultSet.goToRow: ' + isGoToRow);
+}
 ```
 
 ### getBlob
@@ -225,9 +239,11 @@ getBlob(columnIndex: number): Uint8Array
 
 ```ts
 let columnIndex = 1;
-let goToFirstRow = resultSet.goToFirstRow();
-let getBlob = resultSet.getBlob(columnIndex);
-console.info('resultSet.getBlob: ' + getBlob);
+if (resultSet != undefined) {
+  let goToFirstRow = (resultSet as DataShareResultSet).goToFirstRow();
+  let getBlob = (resultSet as DataShareResultSet).getBlob(columnIndex);
+  console.info('resultSet.getBlob: ' + getBlob);
+}
 ```
 
 ### getString
@@ -254,9 +270,11 @@ getString(columnIndex: number): string
 
 ```ts
 let columnIndex = 1;
-let goToFirstRow = resultSet.goToFirstRow();
-let getString = resultSet.getString(columnIndex);
-console.info('resultSet.getString: ' + getString);
+if (resultSet != undefined) {
+  let goToFirstRow = (resultSet as DataShareResultSet).goToFirstRow();
+  let getString = (resultSet as DataShareResultSet).getString(columnIndex);
+  console.info('resultSet.getString: ' + getString);
+}
 ```
 
 ### getLong
@@ -283,9 +301,11 @@ getLong(columnIndex: number): number
 
 ```ts
 let columnIndex = 1;
-let goToFirstRow = resultSet.goToFirstRow();
-let getLong = resultSet.getLong(columnIndex);
-console.info('resultSet.getLong: ' + getLong);
+if (resultSet != undefined) {
+  let goToFirstRow = (resultSet as DataShareResultSet).goToFirstRow();
+  let getLong = (resultSet as DataShareResultSet).getLong(columnIndex);
+  console.info('resultSet.getLong: ' + getLong);
+}
 ```
 
 ### getDouble
@@ -312,9 +332,11 @@ getDouble(columnIndex: number): number
 
 ```ts
 let columnIndex = 1;
-let goToFirstRow = resultSet.goToFirstRow();
-let getDouble = resultSet.getDouble(columnIndex);
-console.info('resultSet.getDouble: ' + getDouble);
+if (resultSet != undefined) {
+  let goToFirstRow = (resultSet as DataShareResultSet).goToFirstRow();
+  let getDouble = (resultSet as DataShareResultSet).getDouble(columnIndex);
+  console.info('resultSet.getDouble: ' + getDouble);
+}
 ```
 
 ### close
@@ -328,7 +350,9 @@ close(): void
 **示例：**
 
 ```ts
-resultSet.close();
+if (resultSet != undefined) {
+  (resultSet as DataShareResultSet).close();
+}
 ```
 
 ### getColumnIndex
@@ -355,8 +379,10 @@ getColumnIndex(columnName: string): number
 
 ```ts
 let ColumnName = "name";
-let getColumnIndex = resultSet.getColumnIndex(ColumnName);
-console.info('resultSet.getColumnIndex: ' + getColumnIndex);
+if (resultSet != undefined) {
+  let getColumnIndex = (resultSet as DataShareResultSet).getColumnIndex(ColumnName);
+  console.info('resultSet.getColumnIndex: ' + getColumnIndex);
+}
 ```
 
 ### getColumnName
@@ -383,8 +409,10 @@ getColumnName(columnIndex: number): string
 
 ```ts
 let columnIndex = 1;
-let getColumnName = resultSet.getColumnName(columnIndex);
-console.info('resultSet.getColumnName: ' + getColumnName);
+if (resultSet != undefined) {
+  let getColumnName = (resultSet as DataShareResultSet).getColumnName(columnIndex);
+  console.info('resultSet.getColumnName: ' + getColumnName);
+}
 ```
 
 ### getDataType
@@ -411,8 +439,10 @@ getDataType(columnIndex: number): DataType
 
 ```ts
 let columnIndex = 1;
-let getDataType = resultSet.getDataType(columnIndex);
-console.info('resultSet.getDataType: ' + getDataType);
+if (resultSet != undefined) {
+  let getDataType = (resultSet as DataShareResultSet).getDataType(columnIndex);
+  console.info('resultSet.getDataType: ' + getDataType);
+}
 ```
 
 ## DataType
diff --git a/zh-cn/application-dev/reference/apis/js-apis-data-dataShare.md b/zh-cn/application-dev/reference/apis/js-apis-data-dataShare.md
index 638af4c034f3dea509dacd760e97e39d3f8c7102..7802a1c363106d69e1cb71a13a9ab145f769bb01 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-data-dataShare.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-data-dataShare.md
@@ -49,21 +49,23 @@ createDataShareHelper(context: Context, uri: string, callback: AsyncCallback&lt;
 **示例：**
 
 ```ts
-import UIAbility from '@ohos.app.ability.UIAbility';
+import { BusinessError } from '@ohos.base'
 
 let uri = ("datashare:///com.samples.datasharetest.DataShare");
-let dataShareHelper: dataShare.DataShareHelper;
+let dataShareHelper: dataShare.DataShareHelper | undefined = undefined;
 try {
-    dataShare.createDataShareHelper(this.context, uri, (err, data) => {
-        if (err !== undefined) {
-            console.error(`createDataShareHelper error: code: ${err.code}, message: ${err.message} `);
-            return;
-        }
-        console.info("createDataShareHelper succeed, data : " + data);
-        dataShareHelper = data;
-    });
+  dataShare.createDataShareHelper(this.context, uri, (err, data) => {
+    if (err !== undefined) {
+      console.error(`createDataShareHelper error: code: ${err.code}, message: ${err.message} `);
+      return;
+    }
+    console.info("createDataShareHelper succeed, data : " + data);
+    dataShareHelper = data;
+  });
 } catch (err) {
-    console.error(`createDataShareHelper error: code: ${err.code}, message: ${err.message} `);
+  let code = (err as BusinessError).code;
+  let message = (err as BusinessError).message;
+  console.error(`createDataShareHelper error: code: ${code}, message: ${message} `);
 };
 ```
 
@@ -98,21 +100,23 @@ createDataShareHelper(context: Context, uri: string, options: DataShareHelperOpt
 **示例：**
 
 ```ts
-import UIAbility from '@ohos.app.ability.UIAbility';
+import { BusinessError } from '@ohos.base'
 
 let uri = ("datashareproxy://com.samples.datasharetest.DataShare");
-let dataShareHelper: dataShare.DataShareHelper;
+let dataShareHelper: dataShare.DataShareHelper | undefined = undefined;
 try {
-    dataShare.createDataShareHelper(this.context, uri, {isProxy : true}, (err, data) => {
-        if (err !== undefined) {
-            console.error(`createDataShareHelper error: code: ${err.code}, message: ${err.message} `);
-            return;
-        }
-        console.info("createDataShareHelper succeed, data : " + data);
-        dataShareHelper = data;
-    });
+  dataShare.createDataShareHelper(this.context, uri, {isProxy : true}, (err, data) => {
+    if (err !== undefined) {
+      console.error(`createDataShareHelper error: code: ${err.code}, message: ${err.message} `);
+      return;
+    }
+    console.info("createDataShareHelper succeed, data : " + data);
+    dataShareHelper = data;
+  });
 } catch (err) {
-    console.error(`createDataShareHelper error: code: ${err.code}, message: ${err.message} `);
+  let code = (err as BusinessError).code;
+  let message = (err as BusinessError).message;
+  console.error(`createDataShareHelper error: code: ${code}, message: ${message} `);
 };
 ```
 ## dataShare.createDataShareHelper
@@ -153,20 +157,21 @@ createDataShareHelper(context: Context, uri: string, options?: DataShareHelperOp
 **示例：**
 
 ```ts
-import UIAbility from '@ohos.app.ability.UIAbility';
 import { BusinessError } from '@ohos.base'
 
 let uri = ("datashareproxy://com.samples.datasharetest.DataShare");
-let dataShareHelper: dataShare.DataShareHelper;
+let dataShareHelper: dataShare.DataShareHelper | undefined = undefined;
 try {
-    dataShare.createDataShareHelper(this.context, uri, {isProxy : true}).then((data: dataShare.DataShareHelper) => {
-        console.info("createDataShareHelper succeed, data : " + data);
-        dataShareHelper = data;
-    }). catch((err: BusinessError) => {
-        console.error(`createDataShareHelper error: code: ${err.code}, message: ${err.message} `);
-    });
-} catch (err) {
+  dataShare.createDataShareHelper(this.context, uri, {isProxy : true}).then((data: dataShare.DataShareHelper) => {
+    console.info("createDataShareHelper succeed, data : " + data);
+    dataShareHelper = data;
+  }). catch((err: BusinessError) => {
     console.error(`createDataShareHelper error: code: ${err.code}, message: ${err.message} `);
+  });
+} catch (err) {
+  let code = (err as BusinessError).code;
+  let message = (err as BusinessError).message;
+  console.error(`createDataShareHelper error: code: ${code}, message: ${message} `);
 };
 ```
 
@@ -270,12 +275,13 @@ on(type: 'dataChange', uri: string, callback: AsyncCallback&lt;void&gt;): void
 **示例：**
 
 ```ts
-let dataShareHelper: dataShare.DataShareHelper;
 let onCallback: () => void = (): void => {
-    console.info("**** Observer on callback ****");
+  console.info("**** Observer on callback ****");
 }
 let uri = ("datashare:///com.samples.datasharetest.DataShare");
-dataShareHelper.on("dataChange", uri, onCallback);
+if (dataShareHelper !== undefined) {
+  (dataShareHelper as dataShare.DataShareHelper).on("dataChange", uri, onCallback);
+}
 ```
 
 ### off('dataChange')
@@ -297,13 +303,14 @@ off(type: 'dataChange', uri: string, callback?: AsyncCallback&lt;void&gt;): void
 **示例：**
 
 ```ts
-let dataShareHelper: dataShare.DataShareHelper;
 let callback: () => void = (): void => {
-    console.info("**** Observer on callback ****");
+  console.info("**** Observer on callback ****");
 }
 let uri = ("datashare:///com.samples.datasharetest.DataShare");
-dataShareHelper.on("dataChange", uri, callback);
-dataShareHelper.off("dataChange", uri, callback);
+if (dataShareHelper != undefined) {
+  (dataShareHelper as dataShare.DataShareHelper).on("dataChange", uri, callback);
+  (dataShareHelper as dataShare.DataShareHelper).off("dataChange", uri, callback);
+}
 ```
 
 ### addTemplate<sup>10+</sup>
@@ -333,7 +340,6 @@ addTemplate(uri: string, subscriberId: string, template: Template): void
 **示例：**
 
 ```ts
-let dataShareHelper: dataShare.DataShareHelper;
 let uri = ("datashareproxy://com.samples.datasharetest.DataShare");
 let subscriberId = '11';
 let key1: string = "p1";
@@ -341,13 +347,15 @@ let value1: string = "select cityColumn as city_1, visitedCilumn as visited_1 fr
 let key2: string = "p2";
 let value2: string = "select cityColumn as city_2, visitedCilumn as visited_2 from citys where like = false";
 let template: dataShare.Template = {
-    predicates : {
+  predicates : {
     key1 : value1,
     key2 : value2,
-    },
-    scheduler : "select remindTimer(time) from TBL00"
+  },
+  scheduler : "select remindTimer(time) from TBL00"
+}
+if (dataShareHelper != undefined) {
+  (dataShareHelper as dataShare.DataShareHelper).addTemplate(uri, subscriberId, template);
 }
-dataShareHelper.addTemplate(uri, subscriberId, template);
 ```
 
 ### delTemplate<sup>10+</sup>
@@ -376,7 +384,6 @@ delTemplate(uri: string, subscriberId: string): void
 **示例：**
 
 ```ts
-let dataShareHelper: dataShare.DataShareHelper;
 let uri = ("datashareproxy://com.samples.datasharetest.DataShare");
 let subscriberId = '11';
 let key1: string = "p1";
@@ -384,14 +391,16 @@ let value1: string = "select cityColumn as city_1, visitedCilumn as visited_1 fr
 let key2: string = "p2";
 let value2: string = "select cityColumn as city_2, visitedCilumn as visited_2 from citys where like = false";
 let template: dataShare.Template = {
-    predicates : {
-        key1 : value1,
-        key2 : value2,
-    },
-    scheduler : "select remindTimer(time) from TBL00"
+  predicates : {
+    key1 : value1,
+    key2 : value2,
+  },
+  scheduler : "select remindTimer(time) from TBL00"
+}
+if (dataShareHelper != undefined) {
+  (dataShareHelper as dataShare.DataShareHelper).addTemplate(uri, subscriberId, template);
+  (dataShareHelper as dataShare.DataShareHelper).delTemplate(uri, subscriberId);
 }
-dataShareHelper.addTemplate(uri, subscriberId, template);
-dataShareHelper.delTemplate(uri, subscriberId);
 ```
 
 ### on('rdbDataChange')<sup>10+</sup>
@@ -422,19 +431,20 @@ on(type: 'rdbDataChange', uris: Array&lt;string&gt;, templateId: TemplateId, cal
 ```ts
 import { BusinessError } from '@ohos.base'
 
-let dataShareHelper: dataShare.DataShareHelper;
 let onCallback: (err: BusinessError, node: dataShare.RdbDataChangeNode) => void = (err: BusinessError, node:dataShare.RdbDataChangeNode): void => {
-    console.info("onCallback " + JSON.stringify(node.uri));
-    console.info("onCallback " + JSON.stringify(node.templateId));
-    console.info("onCallback " + node.data.length);
-    for (let i = 0; i < node.data.length; i++) {
-        console.info("onCallback " + typeof node.data[i] + " " + node.data[i]);
-    }
+  console.info("onCallback " + JSON.stringify(node.uri));
+  console.info("onCallback " + JSON.stringify(node.templateId));
+  console.info("onCallback " + node.data.length);
+  for (let i = 0; i < node.data.length; i++) {
+    console.info("onCallback " + typeof node.data[i] + " " + node.data[i]);
+  }
 }
 
 let uri = ("datashareproxy://com.samples.datasharetest.DataShare");
 let templateId:dataShare.TemplateId = {subscriberId:"11", bundleNameOfOwner:"com.acts.ohos.data.datasharetest"};
-let result:Array<dataShare.OperationResult> = dataShareHelper.on("rdbDataChange", [uri], templateId, onCallback);
+if (dataShareHelper != undefined) {
+  let result: Array<dataShare.OperationResult> = (dataShareHelper as dataShare.DataShareHelper).on("rdbDataChange", [uri], templateId, onCallback);
+}
 ```
 
 ### off('rdbDataChange')<sup>10+</sup>
@@ -463,10 +473,11 @@ off(type: 'rdbDataChange', uris: Array&lt;string&gt;, templateId: TemplateId, ca
 **示例：**
 
 ```ts
-let dataShareHelper: dataShare.DataShareHelper;
 let uri = ("datashareproxy://com.samples.datasharetest.DataShare");
 let templateId:dataShare.TemplateId = {subscriberId:"11", bundleNameOfOwner:"com.acts.ohos.data.datasharetest"};
-let result:Array<dataShare.OperationResult> = dataShareHelper.off("rdbDataChange", [uri], templateId);
+if (dataShareHelper != undefined) {
+  let result: Array<dataShare.OperationResult> = (dataShareHelper as dataShare.DataShareHelper).off("rdbDataChange", [uri], templateId);
+}
 ```
 
 ### on('publishedDataChange')<sup>10+</sup>
@@ -497,23 +508,24 @@ on(type: 'publishedDataChange', uris: Array&lt;string&gt;, subscriberId: string,
 ```ts
 import { BusinessError } from '@ohos.base'
 
-let dataShareHelper: dataShare.DataShareHelper;
 let onPublishCallback: (err: BusinessError, node: dataShare.PublishedDataChangeNode) => void = (err: BusinessError, node:dataShare.PublishedDataChangeNode): void => {
-    console.info("onPublishCallback node bundleName " + JSON.stringify(node.bundleName));
-    console.info("onPublishCallback node data size" + node.data.length);
-    for (let i = 0; i < node.data.length; i++) {
-        console.info("onPublishCallback node " + typeof node.data[i].data);
-        if (typeof node.data[i].data != 'string') {
-            let array:ArrayBuffer = node.data[i].data as ArrayBuffer;
-            let data:Uint8Array = new Uint8Array(array);
-            console.info("onPublishCallback " + i + " " + JSON.stringify(data));
-        }
-        console.info("onPublishCallback data " + i + " " + JSON.stringify(node.data[i]));
+  console.info("onPublishCallback node bundleName " + JSON.stringify(node.bundleName));
+  console.info("onPublishCallback node data size" + node.data.length);
+  for (let i = 0; i < node.data.length; i++) {
+    console.info("onPublishCallback node " + typeof node.data[i].data);
+    if (typeof node.data[i].data != 'string') {
+      let array: ArrayBuffer = node.data[i].data as ArrayBuffer;
+      let data: Uint8Array = new Uint8Array(array);
+      console.info("onPublishCallback " + i + " " + JSON.stringify(data));
     }
+    console.info("onPublishCallback data " + i + " " + JSON.stringify(node.data[i]));
+  }
 }
 let uris:Array<string> = ['city', 'datashareproxy://com.acts.ohos.data.datasharetest/appInfo', 'key2'];
 let subscriberId = '11';
-let result: Array<dataShare.OperationResult> = dataShareHelper.on('publishedDataChange', uris, subscriberId, onPublishCallback);
+if (dataShareHelper != undefined) {
+  let result: Array<dataShare.OperationResult> = (dataShareHelper as dataShare.DataShareHelper).on('publishedDataChange', uris, subscriberId, onPublishCallback);
+}
 ```
 
 ### off('publishedDataChange')<sup>10+</sup>
@@ -544,13 +556,14 @@ off(type: 'publishedDataChange', uris: Array&lt;string&gt;, subscriberId: string
 ```ts
 import { BusinessError } from '@ohos.base'
 
-let dataShareHelper: dataShare.DataShareHelper;
 let offCallback: (err: BusinessError, node: dataShare.PublishedDataChangeNode) => void = (err: BusinessError, node:dataShare.PublishedDataChangeNode): void => {
-    console.info("**** Observer off callback ****");
+  console.info("**** Observer off callback ****");
 }
 let uris:Array<string> = ["city", "datashareproxy://com.acts.ohos.data.datasharetest/appInfo", "key2"];
 let subscriberId = '11';
-let result: Array<dataShare.OperationResult> = dataShareHelper.off("publishedDataChange", uris, subscriberId, offCallback);
+if (dataShareHelper != undefined) {
+  let result: Array<dataShare.OperationResult> = dataShareHelper.off("publishedDataChange", uris, subscriberId, offCallback);
+}
 ```
 
 ### publish<sup>10+</sup>
@@ -583,18 +596,19 @@ publish(data: Array&lt;PublishedItem&gt;, bundleName: string, version: number, c
 ```ts
 import { BusinessError } from '@ohos.base'
 
-let dataShareHelper: dataShare.DataShareHelper;
 let arrayBuffer = new ArrayBuffer(1);
 let version = 1;
 let dataArray : Array<dataShare.PublishedItem> = [{key:"key2", subscriberId:"11", data:arrayBuffer}];
 let publishCallback: (err: BusinessError, result: Array<dataShare.OperationResult>) => void = (err: BusinessError, result: Array<dataShare.OperationResult>): void => {
-    console.info("publishCallback " + JSON.stringify(result));
+  console.info("publishCallback " + JSON.stringify(result));
 }
 try {
-    console.info("dataArray length is:", dataArray.length);
-    dataShareHelper.publish(dataArray, "com.acts.ohos.data.datasharetest", version, publishCallback);
+  console.info("dataArray length is:", dataArray.length);
+  if (dataShareHelper != undefined) {
+    (dataShareHelper as dataShare.DataShareHelper).publish(dataArray, "com.acts.ohos.data.datasharetest", version, publishCallback);
+  }
 } catch (e) {
-    console.error("publish error " + JSON.stringify(e));
+  console.error("publish error " + JSON.stringify(e));
 }
 ```
 
@@ -627,15 +641,16 @@ publish(data: Array&lt;PublishedItem&gt;, bundleName: string, callback: AsyncCal
 ```ts
 import { BusinessError } from '@ohos.base'
 
-let dataShareHelper: dataShare.DataShareHelper;
 let publishCallback: (err: BusinessError, result: Array<dataShare.OperationResult>) => void = (err: BusinessError, result: Array<dataShare.OperationResult>): void => {
-    console.info("publishCallback " + JSON.stringify(result));
+  console.info("publishCallback " + JSON.stringify(result));
 }
 let dataArray : Array<dataShare.PublishedItem> = [
-    {key:"city", subscriberId:"11", data:"xian"},
-    {key:"datashareproxy://com.acts.ohos.data.datasharetest/appInfo", subscriberId:"11", data:"appinfo is just a test app"},
-    {key:"empty", subscriberId:"11", data:"nobody sub"}];
-dataShareHelper.publish(dataArray, "com.acts.ohos.data.datasharetest", publishCallback);
+  {key:"city", subscriberId:"11", data:"xian"},
+  {key:"datashareproxy://com.acts.ohos.data.datasharetest/appInfo", subscriberId:"11", data:"appinfo is just a test app"},
+  {key:"empty", subscriberId:"11", data:"nobody sub"}];
+if (dataShareHelper != undefined) {
+  (dataShareHelper as dataShare.DataShareHelper).publish(dataArray, "com.acts.ohos.data.datasharetest", publishCallback);
+}
 ```
 
 ### publish<sup>10+</sup>
@@ -671,12 +686,13 @@ publish(data: Array&lt;PublishedItem&gt;, bundleName: string, version?: number):
 **示例：**
 
 ```ts
-let dataShareHelper: dataShare.DataShareHelper;
 let dataArray: Array<dataShare.PublishedItem> = [
-    {key:"city", subscriberId:"11", data:"xian"},
-    {key:"datashareproxy://com.acts.ohos.data.datasharetest/appInfo", subscriberId:"11", data:"appinfo is just a test app"},
-    {key:"empty", subscriberId:"11", data:"nobody sub"}];
-let result: Promise<Array<dataShare.OperationResult>> = dataShareHelper.publish(dataArray, "com.acts.ohos.data.datasharetest");
+  {key:"city", subscriberId:"11", data:"xian"},
+  {key:"datashareproxy://com.acts.ohos.data.datasharetest/appInfo", subscriberId:"11", data:"appinfo is just a test app"},
+  {key:"empty", subscriberId:"11", data:"nobody sub"}];
+if (dataShareHelper != undefined) {
+  let result: Promise<Array<dataShare.OperationResult>> = (dataShareHelper as dataShare.DataShareHelper).publish(dataArray, "com.acts.ohos.data.datasharetest");
+}
 ```
 
 ### getPublishedData<sup>10+</sup>
@@ -707,11 +723,12 @@ getPublishedData(bundleName: string, callback: AsyncCallback&lt;Array&lt;Publish
 ```ts
 import { BusinessError } from '@ohos.base'
 
-let dataShareHelper: dataShare.DataShareHelper;
 let publishCallback: (err: BusinessError, data: Array<dataShare.PublishedItem>) => void = (err: BusinessError, result: Array<dataShare.PublishedItem>): void => {
-    console.info("**** Observer publish callback ****");
+  console.info("**** Observer publish callback ****");
+}
+if (dataShareHelper != undefined) {
+  (dataShareHelper as dataShare.DataShareHelper).getPublishedData("com.acts.ohos.data.datasharetest", publishCallback);
 }
-dataShareHelper.getPublishedData("com.acts.ohos.data.datasharetest", publishCallback);
 ```
 
 ### getPublishedData<sup>10+</sup>
@@ -745,8 +762,9 @@ getPublishedData(bundleName: string): Promise&lt;Array&lt;PublishedItem&gt;&gt;
 **示例：**
 
 ```ts 
-let dataShareHelper: dataShare.DataShareHelper;
-let publishedData: Promise<Array<dataShare.PublishedItem>> = dataShareHelper.getPublishedData("com.acts.ohos.data.datasharetest");
+if (dataShareHelper != undefined) {
+  let publishedData: Promise<Array<dataShare.PublishedItem>> = (dataShareHelper as dataShare.DataShareHelper).getPublishedData("com.acts.ohos.data.datasharetest");
+}
 ```
 
 ### insert
@@ -769,8 +787,8 @@ insert(uri: string, value: ValuesBucket, callback: AsyncCallback&lt;number&gt;):
 
 ```ts
 import { ValuesBucket } from '@ohos.data.ValuesBucket'
+import { BusinessError } from '@ohos.base'
 
-let dataShareHelper: dataShare.DataShareHelper;
 let uri = ("datashare:///com.samples.datasharetest.DataShare");
 let key1: string = "name";
 let value1: string = "rose";
@@ -779,20 +797,24 @@ let value2: number = 22;
 let key3: string = "salary";
 let value3: number = 200.5;
 const valueBucket: ValuesBucket = {
-    key1: value1,
-    key2: value2,
-    key3: value3,
+  key1: value1,
+  key2: value2,
+  key3: value3,
 }
 try {
-    dataShareHelper.insert(uri, valueBucket, (err, data) => {
-        if (err !== undefined) {
-            console.error(`insert error: code: ${err.code}, message: ${err.message} `);
-            return;
-        }
-        console.info("insert succeed, data : " + data);
+  if (dataShareHelper != undefined) {
+    (dataShareHelper as dataShare.DataShareHelper).insert(uri, valueBucket, (err: BusinessError, data: number) => {
+      if (err !== undefined) {
+        console.error(`insert error: code: ${err.code}, message: ${err.message} `);
+        return;
+      }
+      console.info("insert succeed, data : " + data);
     });
+  }
 } catch (err) {
-    console.error(`insert error: code: ${err.code}, message: ${err.message} `);
+  let code = (err as BusinessError).code;
+  let message = (err as BusinessError).message;
+  console.error(`insert error: code: ${code}, message: ${message} `);
 };
 ```
 
@@ -823,7 +845,6 @@ insert(uri: string, value: ValuesBucket): Promise&lt;number&gt;
 import { BusinessError } from '@ohos.base'
 import { ValuesBucket } from '@ohos.data.ValuesBucket'
 
-let dataShareHelper: dataShare.DataShareHelper;
 let uri = ("datashare:///com.samples.datasharetest.DataShare");
 let key1: string = "name";
 let value1: string = "rose1";
@@ -832,18 +853,22 @@ let value2: number = 21;
 let key3: string = "salary";
 let value3: number = 20.5;
 const valueBucket: ValuesBucket = {
-    key1: value1,
-    key2: value2,
-    key3: value3,
+  key1: value1,
+  key2: value2,
+  key3: value3,
 }
 try {
-     dataShareHelper.insert(uri, valueBucket).then((data: number) => {
-        console.info("insert succeed, data : " + data);
-    }). catch((err: BusinessError) => {
-        console.error(`insert error: code: ${err.code}, message: ${err.message} `);
+  if (dataShareHelper != undefined) {
+    (dataShareHelper as dataShare.DataShareHelper).insert(uri, valueBucket).then((data: number) => {
+      console.info("insert succeed, data : " + data);
+    }).catch((err: BusinessError) => {
+      console.error(`insert error: code: ${err.code}, message: ${err.message} `);
     });
+  }
 } catch (err) {
-    console.error(`insert error: code: ${err.code}, message: ${err.message} `);
+  let code = (err as BusinessError).code;
+  let message = (err as BusinessError).message;
+  console.error(`insert error: code: ${code}, message: ${message} `);
 };
 ```
 
@@ -867,21 +892,25 @@ delete(uri: string, predicates: dataSharePredicates.DataSharePredicates, callbac
 
 ```ts
 import dataSharePredicates from '@ohos.data.dataSharePredicates';
+import { BusinessError } from '@ohos.base'
 
-let dataShareHelper: dataShare.DataShareHelper;
 let uri = ("datashare:///com.samples.datasharetest.DataShare");
 let da = new dataSharePredicates.DataSharePredicates();
 da.equalTo("name", "ZhangSan");
 try {
-    dataShareHelper.delete(uri, da, (err, data) => {
-        if (err !== undefined) {
-            console.error(`delete error: code: ${err.code}, message: ${err.message} `);
-            return;
-        }
-        console.info("delete succeed, data : " + data);
+  if (dataShareHelper != undefined) {
+    (dataShareHelper as dataShare.DataShareHelper).delete(uri, da, (err: BusinessError, data: number) => {
+      if (err !== undefined) {
+        console.error(`delete error: code: ${err.code}, message: ${err.message} `);
+        return;
+      }
+      console.info("delete succeed, data : " + data);
     });
+  }
 } catch (err) {
-    console.error(`delete error: code: ${err.code}, message: ${err.message} `);
+  let code = (err as BusinessError).code;
+  let message = (err as BusinessError).message;
+  console.error(`delete error: code: ${code}, message: ${message} `);
 };
 ```
 
@@ -912,18 +941,21 @@ delete(uri: string, predicates: dataSharePredicates.DataSharePredicates): Promis
 import dataSharePredicates from '@ohos.data.dataSharePredicates';
 import { BusinessError } from '@ohos.base'
 
-let dataShareHelper: dataShare.DataShareHelper;
 let uri = ("datashare:///com.samples.datasharetest.DataShare");
 let da = new dataSharePredicates.DataSharePredicates();
 da.equalTo("name", "ZhangSan");
 try {
-    dataShareHelper.delete(uri, da).then((data: number) =>  {
-        console.info("delete succeed, data : " + data);
-    }). catch((err: BusinessError) => {
-        console.error(`delete error: code: ${err.code}, message: ${err.message} `);
+  if (dataShareHelper != undefined) {
+    (dataShareHelper as dataShare.DataShareHelper).delete(uri, da).then((data: number) => {
+      console.info("delete succeed, data : " + data);
+    }).catch((err: BusinessError) => {
+      console.error(`delete error: code: ${err.code}, message: ${err.message} `);
     });
+  }
 } catch (err) {
-    console.error(`delete error: code: ${err.code}, message: ${err.message} `);
+  let code = (err as BusinessError).code;
+  let message = (err as BusinessError).message;
+  console.error(`delete error: code: ${code}, message: ${message} `);
 };
 ```
 
@@ -948,22 +980,27 @@ query(uri: string, predicates: dataSharePredicates.DataSharePredicates, columns:
 
 ```ts
 import dataSharePredicates from '@ohos.data.dataSharePredicates';
+import { BusinessError } from '@ohos.base'
+import DataShareResultSet from '@ohos.data.DataShareResultSet'
 
-let dataShareHelper: dataShare.DataShareHelper;
 let uri = ("datashare:///com.samples.datasharetest.DataShare");
 let columns = ["*"];
 let da = new dataSharePredicates.DataSharePredicates();
 da.equalTo("name", "ZhangSan");
 try {
-    dataShareHelper.query(uri, da, columns, (err, data) => {
-        if (err !== undefined) {
-            console.error(`query error: code: ${err.code}, message: ${err.message} `);
-            return;
-        }
-        console.info("query succeed, rowCount : " + data.rowCount);
+  if (dataShareHelper != undefined) {
+    (dataShareHelper as dataShare.DataShareHelper).query(uri, da, columns, (err: BusinessError, data: DataShareResultSet) => {
+      if (err !== undefined) {
+        console.error(`query error: code: ${err.code}, message: ${err.message} `);
+        return;
+      }
+      console.info("query succeed, rowCount : " + data.rowCount);
     });
+  }
 } catch (err) {
-    console.error(`query error: code: ${err.code}, message: ${err.message} `);
+  let code = (err as BusinessError).code;
+  let message = (err as BusinessError).message;
+  console.error(`query error: code: ${code}, message: ${message} `);
 };
 ```
 
@@ -994,20 +1031,24 @@ query(uri: string, predicates: dataSharePredicates.DataSharePredicates, columns:
 ```ts
 import dataSharePredicates from '@ohos.data.dataSharePredicates';
 import { BusinessError } from '@ohos.base'
+import DataShareResultSet from '@ohos.data.DataShareResultSet'
 
-let dataShareHelper: dataShare.DataShareHelper;
 let uri = ("datashare:///com.samples.datasharetest.DataShare");
 let columns = ["*"];
 let da = new dataSharePredicates.DataSharePredicates();
 da.equalTo("name", "ZhangSan");
 try {
-    dataShareHelper.query(uri, da, columns).then((data: DataShareResultSet) =>  {
-        console.info("query succeed, rowCount : " + data.rowCount);
-    }). catch((err: BusinessError) => {
-        console.error(`query error: code: ${err.code}, message: ${err.message} `);
+  if (dataShareHelper != undefined) {
+    (dataShareHelper as dataShare.DataShareHelper).query(uri, da, columns).then((data: DataShareResultSet) => {
+      console.info("query succeed, rowCount : " + data.rowCount);
+    }).catch((err: BusinessError) => {
+      console.error(`query error: code: ${err.code}, message: ${err.message} `);
     });
+  }
 } catch (err) {
-    console.error(`query error: code: ${err.code}, message: ${err.message} `);
+  let code = (err as BusinessError).code;
+  let message = (err as BusinessError).message;
+  console.error(`query error: code: ${code}, message: ${message} `);
 };
 ```
 
@@ -1032,9 +1073,9 @@ update(uri: string, predicates: dataSharePredicates.DataSharePredicates, value:
 
 ```ts
 import dataSharePredicates from '@ohos.data.dataSharePredicates';
+import { BusinessError } from '@ohos.base'
 import { ValuesBucket } from '@ohos.data.ValuesBucket'
 
-let dataShareHelper: dataShare.DataShareHelper;
 let uri = ("datashare:///com.samples.datasharetest.DataShare");
 let da = new dataSharePredicates.DataSharePredicates();
 da.equalTo("name", "ZhangSan");
@@ -1045,20 +1086,24 @@ let value2: number = 21
 let key3: string = "salary";
 let value3: number = 20.5;
 const va: ValuesBucket = {
-    key1: value1,
-    key2: value2,
-    key3: value3,
+  key1: value1,
+  key2: value2,
+  key3: value3,
 }
 try {
-    dataShareHelper.update(uri, da, va, (err, data) => {
-        if (err !== undefined) {
-            console.error(`update error: code: ${err.code}, message: ${err.message} `);
-            return;
-        }
-        console.info("update succeed, data : " + data);
+  if (dataShareHelper != undefined) {
+    (dataShareHelper as dataShare.DataShareHelper).update(uri, da, va, (err: BusinessError, data: number) => {
+      if (err !== undefined) {
+        console.error(`update error: code: ${err.code}, message: ${err.message} `);
+        return;
+      }
+      console.info("update succeed, data : " + data);
     });
+  }
 } catch (err) {
-    console.error(`update error: code: ${err.code}, message: ${err.message} `);
+  let code = (err as BusinessError).code;
+  let message = (err as BusinessError).message;
+  console.error(`update error: code: ${code}, message: ${message} `);
 };
 ```
 
@@ -1091,7 +1136,6 @@ import dataSharePredicates from '@ohos.data.dataSharePredicates';
 import { ValuesBucket } from '@ohos.data.ValuesBucket'
 import { BusinessError } from '@ohos.base'
 
-let dataShareHelper: dataShare.DataShareHelper;
 let uri = ("datashare:///com.samples.datasharetest.DataShare");
 let da = new dataSharePredicates.DataSharePredicates();
 da.equalTo("name", "ZhangSan");
@@ -1102,18 +1146,22 @@ let value2: number = 21
 let key3: string = "salary";
 let value3: number = 20.5;
 const va: ValuesBucket = {
-    key1: value1,
-    key2: value2,
-    key3: value3,
+  key1: value1,
+  key2: value2,
+  key3: value3,
 }
 try {
-    dataShareHelper.update(uri, da, va).then((data: number) =>  {
-        console.info("update succeed, data : " + data);
-    }). catch((err: BusinessError) => {
-        console.error(`update error: code: ${err.code}, message: ${err.message} `);
+  if (dataShareHelper != undefined) {
+    (dataShareHelper as dataShare.DataShareHelper).update(uri, da, va).then((data: number) => {
+      console.info("update succeed, data : " + data);
+    }).catch((err: BusinessError) => {
+      console.error(`update error: code: ${err.code}, message: ${err.message} `);
     });
+  }
 } catch (err) {
-    console.error(`update error: code: ${err.code}, message: ${err.message} `);
+  let code = (err as BusinessError).code;
+  let message = (err as BusinessError).message;
+  console.error(`update error: code: ${code}, message: ${message} `);
 };
 ```
 
@@ -1137,8 +1185,8 @@ batchInsert(uri: string, values: Array&lt;ValuesBucket&gt;, callback: AsyncCallb
 
 ```ts
 import { ValuesBucket } from '@ohos.data.ValuesBucket'
+import { BusinessError } from '@ohos.base'
 
-let dataShareHelper: dataShare.DataShareHelper;
 let uri = ("datashare:///com.samples.datasharetest.DataShare");
 let key1: string = "name";
 let value11: string = "roe11"
@@ -1147,21 +1195,25 @@ let value21: number = 21;
 let key3: string = "salary";
 let value31: number = 20.5;
 let valuesBucket1: ValuesBucket = {
-    key1: value11,
-    key2: value21,
-    key3: value31,
+  key1: value11,
+  key2: value21,
+  key3: value31,
 }
 let vbs = new Array(valuesBucket1);
 try {
-    dataShareHelper.batchInsert(uri, vbs, (err, data) => {
-        if (err !== undefined) {
-            console.error(`batchInsert error: code: ${err.code}, message: ${err.message} `);
-            return;
-        }
-        console.info("batchInsert succeed, data : " + data);
+  if (dataShareHelper != undefined) {
+    (dataShareHelper as dataShare.DataShareHelper).batchInsert(uri, vbs, (err, data) => {
+      if (err !== undefined) {
+        console.error(`batchInsert error: code: ${err.code}, message: ${err.message} `);
+        return;
+      }
+      console.info("batchInsert succeed, data : " + data);
     });
+  }
 } catch (err) {
-    console.error(`batchInsert error: code: ${err.code}, message: ${err.message} `);
+  let code = (err as BusinessError).code;
+  let message = (err as BusinessError).message;
+  console.error(`batchInsert error: code: ${code}, message: ${message} `);
 };
 ```
 
@@ -1192,7 +1244,6 @@ batchInsert(uri: string, values: Array&lt;ValuesBucket&gt;): Promise&lt;number&g
 import { ValuesBucket } from '@ohos.data.ValuesBucket'
 import { BusinessError } from '@ohos.base'
 
-let dataShareHelper: dataShare.DataShareHelper;
 let uri = ("datashare:///com.samples.datasharetest.DataShare");
 let key1: string = "name";
 let value11: string = "roe11"
@@ -1201,19 +1252,23 @@ let value21: number = 21;
 let key3: string = "salary";
 let value31: number = 20.5;
 let valuesBucket1: ValuesBucket = {
-    key1: value11,
-    key2: value21,
-    key3: value31,
+  key1: value11,
+  key2: value21,
+  key3: value31,
 }
 let vbs = new Array(valuesBucket1);
 try {
-    dataShareHelper.batchInsert(uri, vbs).then((data: number) =>  {
-        console.info("batchInsert succeed, data : " + data);
-    }). catch((err: BusinessError) => {
-        console.error(`batchInsert error: code: ${err.code}, message: ${err.message} `);
+  if (dataShareHelper != undefined) {
+    (dataShareHelper as dataShare.DataShareHelper).batchInsert(uri, vbs).then((data: number) => {
+      console.info("batchInsert succeed, data : " + data);
+    }).catch((err: BusinessError) => {
+      console.error(`batchInsert error: code: ${err.code}, message: ${err.message} `);
     });
+  }
 } catch (err) {
-    console.error(`batchInsert error: code: ${err.code}, message: ${err.message} `);
+  let code = (err as BusinessError).code;
+  let message = (err as BusinessError).message
+  console.error(`batchInsert error: code: ${code}, message: ${message} `);
 };
 ```
 
@@ -1235,15 +1290,18 @@ normalizeUri(uri: string, callback: AsyncCallback&lt;string&gt;): void
 **示例：**
 
 ```ts
-let dataShareHelper: dataShare.DataShareHelper;
+import { BusinessError } from '@ohos.base'
+
 let uri = ("datashare:///com.samples.datasharetest.DataShare");
-dataShareHelper.normalizeUri(uri, (err, data) => {
+if (dataShareHelper != undefined) {
+  (dataShareHelper as dataShare.DataShareHelper).normalizeUri(uri, (err: BusinessError, data: string) => {
     if (err !== undefined) {
-        console.info("normalizeUri failed, error message : " + err);
-    }else{
-        console.info("normalizeUri = " + data);
+      console.info("normalizeUri failed, error message : " + err);
+    } else {
+      console.info("normalizeUri = " + data);
     }
-});
+  });
+}
 ```
 
 ### normalizeUri
@@ -1271,13 +1329,14 @@ normalizeUri(uri: string): Promise&lt;string&gt;
 ```ts
 import { BusinessError } from '@ohos.base'
 
-let dataShareHelper: dataShare.DataShareHelper;
 let uri = ("datashare:///com.samples.datasharetest.DataShare");
-dataShareHelper.normalizeUri(uri).then((data: string) => {
+if (dataShareHelper != undefined) {
+  (dataShareHelper as dataShare.DataShareHelper).normalizeUri(uri).then((data: string) => {
     console.info("normalizeUri = " + data);
-}).catch((err: BusinessError) => {
+  }).catch((err: BusinessError) => {
     console.info("normalizeUri failed, error message : " + err);
-});
+  });
+}
 ```
 
 ### denormalizeUri
@@ -1298,15 +1357,18 @@ denormalizeUri(uri: string, callback: AsyncCallback&lt;string&gt;): void
 **示例：**
 
 ```ts
-let dataShareHelper: dataShare.DataShareHelper;
+import { BusinessError } from '@ohos.base'
+
 let uri = ("datashare:///com.samples.datasharetest.DataShare");
-dataShareHelper.denormalizeUri(uri, (err, data) => {
+if (dataShareHelper != undefined) {
+  (dataShareHelper as dataShare.DataShareHelper).denormalizeUri(uri, (err: BusinessError, data: string) => {
     if (err !== undefined) {
-        console.error("denormalizeUri failed, error message : " + err);
-    }else{
-        console.info("denormalizeUri = " + data);
+      console.error("denormalizeUri failed, error message : " + err);
+    } else {
+      console.info("denormalizeUri = " + data);
     }
-});
+  });
+}
 ```
 
 ### denormalizeUri
@@ -1334,13 +1396,14 @@ denormalizeUri(uri: string): Promise&lt;string&gt;
 ```ts
 import { BusinessError } from '@ohos.base'
 
-let dataShareHelper: dataShare.DataShareHelper;
 let uri = ("datashare:///com.samples.datasharetest.DataShare");
-dataShareHelper.denormalizeUri(uri).then((data: string) => {
+if (dataShareHelper != undefined) {
+  (dataShareHelper as dataShare.DataShareHelper).denormalizeUri(uri).then((data: string) => {
     console.info("denormalizeUri = " + data);
-}).catch((err: BusinessError) => {
+  }).catch((err: BusinessError) => {
     console.error("denormalizeUri failed, error message : " + err);
-});
+  });
+}
 ```
 
 ### notifyChange
@@ -1361,11 +1424,12 @@ notifyChange(uri: string, callback: AsyncCallback&lt;void&gt;): void
 **示例：**
 
 ```ts
-let dataShareHelper: dataShare.DataShareHelper;
 let uri = ("datashare:///com.samples.datasharetest.DataShare");
-dataShareHelper.notifyChange(uri, () => {
+if (dataShareHelper != undefined) {
+  (dataShareHelper as dataShare.DataShareHelper).notifyChange(uri, () => {
     console.info("***** notifyChange *****");
-});
+  });
+}
 ```
 
 ### notifyChange
@@ -1391,7 +1455,8 @@ notifyChange(uri: string): Promise&lt;void&gt;
 **示例：**
 
 ```ts
-let dataShareHelper: dataShare.DataShareHelper;
 let uri = ("datashare:///com.samples.datasharetest.DataShare");
-dataShareHelper.notifyChange(uri);
+if (dataShareHelper != undefined) {
+  (dataShareHelper as dataShare.DataShareHelper).notifyChange(uri);
+}
 ```
\ No newline at end of file
diff --git a/zh-cn/application-dev/reference/apis/js-apis-data-distributedobject.md b/zh-cn/application-dev/reference/apis/js-apis-data-distributedobject.md
index 4cc5b90e71aea7bb82123ba6b47ff0648ff2e756..74fed8386d69e59edf3f346a8df23b3893a9de6d 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-data-distributedobject.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-data-distributedobject.md
@@ -5,6 +5,7 @@
 > **说明：**
 >
 > 本模块首批接口从API version 8开始支持。后续版本的新增接口，采用上角标单独标记接口的起始版本。
+> 本模块接口仅支持在JS文件中使用。
 
 
 ## 导入模块
@@ -42,20 +43,10 @@ FA模型示例：
 // 导入模块
 import distributedObject from '@ohos.data.distributedDataObject';
 import featureAbility from '@ohos.ability.featureAbility';
-import { BusinessError } from '@ohos.base';
 // 获取context
 let context = featureAbility.getContext();
-interface sourceObject{
-    name: string,
-    age: number,
-    isVis: boolean
-}
-let source: sourceObject = {
-    name: "amy",
-    age:18,
-    isVis:false
-}
-let g_object: distributedObject.DataObject = distributedObject.create(context, source);
+// 创建对象，该对象包含4个属性类型：string、number、boolean和Object
+let g_object = distributedObject.create(context, {name:"Amy", age:18, isVis:false, parent:{mother:"jack mom",father:"jack Dad"}});
 ```
 
 Stage模型示例：
@@ -64,23 +55,13 @@ Stage模型示例：
 // 导入模块
 import distributedObject from '@ohos.data.distributedDataObject';
 import UIAbility from '@ohos.app.ability.UIAbility';
-import { BusinessError } from '@ohos.base';
-import window from '@ohos.window';
-
-let g_object: distributedObject.DataObject = null;
-interface sourceObject{
-    name: string,
-    age: number,
-    isVis: boolean
-}
+
+let g_object;
+
 class EntryAbility extends UIAbility {
-    onWindowStageCreate(windowStage: window.WindowStage) {
-        let source: sourceObject = {
-            name: "amy",
-            age:18,
-            isVis:false
-        }
-        g_object = distributedObject.create(this.context, source);
+    onWindowStageCreate(windowStage){
+        // 创建对象，该对象包含4个属性类型：string、number、boolean和Object
+        g_object = distributedObject.create(this.context, {name:"Amy", age:18, isVis:false, parent:{mother:"jack mom",father:"jack Dad"}});
     }
 }
 ```
@@ -103,7 +84,7 @@ genSessionId(): string
 
 ```js
 import distributedObject from '@ohos.data.distributedDataObject';
-let sessionId: string = distributedObject.genSessionId();
+let sessionId = distributedObject.genSessionId();
 ```
 
 ## SaveSuccessResponse<sup>9+</sup>
@@ -239,13 +220,13 @@ setSessionId(sessionId?: string): Promise&lt;void&gt;
 // g_object加入分布式组网
 g_object.setSessionId(distributedObject.genSessionId()).then (()=>{
     console.info("join session.");
-    }).catch((error: BusinessError)=>{
+    }).catch((error)=>{
         console.info("error:" + error.code + error.message);
 });
 // 退出分布式组网
 g_object.setSessionId().then (()=>{
     console.info("leave all session.");
-    }).catch((error: BusinessError)=>{
+    }).catch((error)=>{
         console.info("error:" + error.code + error.message);
 });
 ```
@@ -268,18 +249,15 @@ on(type: 'change', callback: Callback<{ sessionId: string, fields: Array&lt;stri
 **示例：**
 
 ```js
-interface ChangeCallback {
-  sessionId: string,
-  fields: Array<string>
-}
-g_object.on("change", (changeData: ChangeCallback) => {
-    console.info("change" + changeData.sessionId);
-    if (changeData.fields != null && changeData.fields != undefined) {
-        for (let index: number = 0; index < changeData.fields.length; index++) {
-            console.info("changed !" + changeData.fields[index] + " " + g_object[changeData.fields[index]]);
-        }
+globalThis.changeCallback = (sessionId, changeData) => {
+    console.info("change" + sessionId);
+    if (changeData != null && changeData != undefined) {
+        changeData.forEach(element => {
+        console.info("changed !" + element + " " + g_object[element]);
+        });
     }
-});
+}
+g_object.on("change", globalThis.changeCallback);
 ```
 
 ### off('change')<sup>9+</sup>
@@ -302,14 +280,7 @@ off(type: 'change', callback?: Callback<{ sessionId: string, fields: Array&lt;st
 
 ```js
 // 删除数据变更回调changeCallback
-g_object.off("change", (changeData:ChangeCallback) => {
-    console.info("change" + changeData.sessionId);
-    if (changeData.fields != null && changeData.fields != undefined) {
-        for (let index: number = 0; index < changeData.fields.length; index++) {
-            console.info("changed !" + changeData.fields[index] + " " + g_object[changeData.fields[index]]);
-        }
-    }
-});
+g_object.off("change", globalThis.changeCallback);
 // 删除所有的数据变更回调
 g_object.off("change");
 ```
@@ -332,15 +303,10 @@ on(type: 'status', callback: Callback<{ sessionId: string, networkId: string, st
 **示例：**
 
 ```js
-interface onStatusCallback {
-    sessionId: string,
-    networkId: string,
-    status: 'online' | 'offline'
+globalThis.statusCallback = (sessionId, networkId, status) => {
+    globalThis.response += "status changed " + sessionId + " " + status + " " + networkId;
 }
-
-g_object.on("status", (statusCallback:onStatusCallback) => {
-    console.info("status changed " + statusCallback.sessionId + " " + statusCallback.status + " " + statusCallback.networkId);
-});
+g_object.on("status", globalThis.statusCallback);
 ```
 
 ### off('status')<sup>9+</sup>
@@ -362,15 +328,11 @@ off(type: 'status', callback?: Callback<{ sessionId: string, deviceId: string, s
 **示例：**
 
 ```js
-interface offStatusCallback {
-    sessionId: string,
-    networkId: string,
-    status: 'online' | 'offline'
+globalThis.statusCallback = (sessionId, networkId, status) => {
+    globalThis.response += "status changed " + sessionId + " " + status + " " + networkId;
 }
 // 删除上下线回调changeCallback
-g_object.off("status", (statusCallback:StatusCallback) => {
-    console.info("status changed " + statusCallback.sessionId + " " + statusCallback.status + " " + statusCallback.networkId);
-});
+g_object.off("status",globalThis.statusCallback);
 // 删除所有的上下线回调
 g_object.off("status");
 ```
@@ -402,7 +364,7 @@ save(deviceId: string, callback: AsyncCallback&lt;SaveSuccessResponse&gt;): void
 
 ```ts
 g_object.setSessionId("123456");
-g_object.save("local", (err: BusinessError, result:distributedObject.SaveSuccessResponse) => {
+g_object.save("local", (err, result) => {
     if (err) {
         console.info("save failed, error code = " + err.code);
         console.info("save failed, error message: " + err.message);
@@ -447,12 +409,12 @@ save(deviceId: string): Promise&lt;SaveSuccessResponse&gt;
 
 ```js
 g_object.setSessionId("123456");
-g_object.save("local").then((result: distributedObject.SaveSuccessResponse) => {
+g_object.save("local").then((result) => {
     console.info("save callback");
     console.info("save sessionId " + result.sessionId);
     console.info("save version " + result.version);
     console.info("save deviceId " + result.deviceId);
-}).catch((err: BusinessError) => {
+}).catch((err) => {
     console.info("save failed, error code = " + err.code);
     console.info("save failed, error message: " + err.message);
 });
@@ -480,7 +442,7 @@ revokeSave(callback: AsyncCallback&lt;RevokeSaveSuccessResponse&gt;): void
 ```js
 g_object.setSessionId("123456");
 // 持久化数据
-g_object.save("local", (err: BusinessError, result: distributedObject.SaveSuccessResponse) => {
+g_object.save("local", (err, result) => {
     if (err) {
         console.info("save failed, error code = " + err.code);
         console.info("save failed, error message: " + err.message);
@@ -492,7 +454,7 @@ g_object.save("local", (err: BusinessError, result: distributedObject.SaveSucces
     console.info("save deviceId:  " + result.deviceId);
 });
 // 删除持久化保存的数据
-g_object.revokeSave((err: BusinessError, result: distributedObject.RevokeSaveSuccessResponse) => {
+g_object.revokeSave((err, result) => {
     if (err) {
       console.info("revokeSave failed, error code = " + err.code);
       console.info("revokeSave failed, error message: " + err.message);
@@ -525,20 +487,20 @@ revokeSave(): Promise&lt;RevokeSaveSuccessResponse&gt;
 ```ts
 g_object.setSessionId("123456");
 // 持久化数据
-g_object.save("local").then((result: distributedObject.SaveSuccessResponse) => {
+g_object.save("local").then((result) => {
     console.info("save callback");
     console.info("save sessionId " + result.sessionId);
     console.info("save version " + result.version);
     console.info("save deviceId " + result.deviceId);
-}).catch((err: BusinessError) => {
+}).catch((err) => {
     console.info("save failed, error code = " + err.code);
     console.info("save failed, error message: " + err.message);
 });
 // 删除持久化保存的数据
-g_object.revokeSave().then((result: distributedObject.RevokeSaveSuccessResponse) => {
+g_object.revokeSave().then((result) => {
     console.info("revokeSave callback");
     console.info("sessionId" + result.sessionId);
-}).catch((err: BusinessError)=> {
+}).catch((err)=> {
     console.info("revokeSave failed, error code = " + err.code);
     console.info("revokeSave failed, error message = " + err.message);
 });
@@ -573,17 +535,8 @@ createDistributedObject(source: object): DistributedObject
 
 ```js
 import distributedObject from '@ohos.data.distributedDataObject';
-interface sourceObject{
-    name: string,
-    age: number,
-    isVis: boolean
-}
-let source: sourceObject = {
-    name: "amy",
-    age:18,
-    isVis:false
-}
-let g_object: distributedObject.DistributedObject = distributedObject.createDistributedObject(source);
+// 创建对象，对象包含4个属性类型，string,number,boolean和Object
+let g_object = distributedObject.createDistributedObject({name:"Amy", age:18, isVis:false, parent:{mother:"jack mom",father:"jack Dad"}});
 ```
 
 ## DistributedObject<sup>(deprecated)</sup>
@@ -620,17 +573,7 @@ setSessionId(sessionId?: string): boolean
 
 ```js
 import distributedObject from '@ohos.data.distributedDataObject';
-interface sourceObject{
-    name: string,
-    age: number,
-    isVis: boolean
-}
-let source: sourceObject = {
-    name: "amy",
-    age:18,
-    isVis:false
-}
-let g_object: distributedObject.DistributedObject = distributedObject.createDistributedObject(source);
+let g_object = distributedObject.createDistributedObject({name:"Amy", age:18, isVis:false, parent:{mother:"jack mom",father:"jack Dad"}});;
 // g_object加入分布式组网
 g_object.setSessionId(distributedObject.genSessionId());
 // 设置为""退出分布式组网
@@ -660,29 +603,16 @@ on(type: 'change', callback: Callback<{ sessionId: string, fields: Array&lt;stri
 
 ```js
 import distributedObject from '@ohos.data.distributedDataObject';
-interface sourceObject{
-    name: string,
-    age: number,
-    isVis: boolean
-}
-interface ChangeCallback {
-    sessionId: string,
-    fields: Array<string>
-}
-let source: sourceObject = {
-    name: "amy",
-    age:18,
-    isVis:false
-}
-let g_object: distributedObject.DistributedObject = distributedObject.createDistributedObject(source);
-g_object.on("change", (changeData:ChangeCallback) => {
-    console.info("change" + changeData.sessionId);
-    if (changeData.fields != null && changeData.fields != undefined) {
-        for (let index: number = 0; index < changeData.fields.length; index++) {
-            console.info("changed !" + changeData.fields[index] + " " + g_object[changeData.fields[index]]);
-        }
+let g_object = distributedObject.createDistributedObject({name:"Amy", age:18, isVis:false, parent:{mother:"jack mom",father:"jack Dad"}});
+globalThis.changeCallback = (sessionId, changeData) => {
+    console.info("change" + sessionId);
+    if (changeData != null && changeData != undefined) {
+        changeData.forEach(element => {
+        console.info("changed !" + element + " " + g_object[element]);
+        });
     }
-});
+}
+g_object.on("change", globalThis.changeCallback);
 ```
 
 ### off('change')<sup>(deprecated)</sup>
@@ -709,30 +639,9 @@ off(type: 'change', callback?: Callback<{ sessionId: string, fields: Array&lt;st
 
 ```js
 import distributedObject from '@ohos.data.distributedDataObject';
-interface sourceObject{
-    name: string,
-    age: number,
-    isVis: boolean
-}
-interface ChangeCallback {
-    sessionId: string,
-    fields: Array<string>
-}
-let source: sourceObject = {
-    name: "amy",
-    age:18,
-    isVis:false
-}
-let g_object: distributedObject.DistributedObject = distributedObject.createDistributedObject(source);
+let g_object = distributedObject.createDistributedObject({name:"Amy", age:18, isVis:false, parent:{mother:"jack mom",father:"jack Dad"}});
 // 删除数据变更回调changeCallback
-g_object.off("change", (changeData:ChangeCallback) => {
-    console.info("change" + changeData.sessionId);
-    if (changeData.fields != null && changeData.fields != undefined) {
-        for (let index: number = 0; index < changeData.fields.length; index++) {
-            console.info("changed !" + changeData.fields[index] + " " + g_object[changeData.fields[index]]);
-        }
-    }
-});
+g_object.off("change", globalThis.changeCallback);
 // 删除所有的数据变更回调
 g_object.off("change");
 ```
@@ -760,27 +669,11 @@ on(type: 'status', callback: Callback<{ sessionId: string, networkId: string, st
 
 ```js
 import distributedObject from '@ohos.data.distributedDataObject';
-
-interface sourceObject{
-    name: string,
-    age: number,
-    isVis: boolean
-}
-interface StatusCallback {
-    sessionId: string,
-    networkId: string,
-    status: 'online' | 'offline'
-}
-let source: sourceObject = {
-    name: "amy",
-    age:18,
-    isVis:false
+globalThis.statusCallback = (sessionId, networkId, status) => {
+    globalThis.response += "status changed " + sessionId + " " + status + " " + networkId;
 }
-let g_object: distributedObject.DistributedObject = distributedObject.createDistributedObject(source);
-
-g_object.on("status", (statusCallback:StatusCallback) => {
-    console.info("status changed " + statusCallback.sessionId + " " + statusCallback.status + " " + statusCallback.networkId);
-});
+let g_object = distributedObject.createDistributedObject({name:"Amy", age:18, isVis:false, parent:{mother:"jack mom",father:"jack Dad"}});
+g_object.on("status", globalThis.statusCallback);
 ```
 
 ### off('status')<sup>(deprecated)</sup>
@@ -807,26 +700,12 @@ off(type: 'status', callback?: Callback<{ sessionId: string, deviceId: string, s
 
 ```js
 import distributedObject from '@ohos.data.distributedDataObject';
-interface sourceObject{
-    name: string,
-    age: number,
-    isVis: boolean
+let g_object = distributedObject.createDistributedObject({name:"Amy", age:18, isVis:false, parent:{mother:"jack mom",father:"jack Dad"}});
+globalThis.statusCallback = (sessionId, networkId, status) => {
+    globalThis.response += "status changed " + sessionId + " " + status + " " + networkId;
 }
-interface offStatusCallback {
-    sessionId: string,
-    deviceId: string,
-    status: 'online' | 'offline'
-}
-let source: sourceObject = {
-    name: "amy",
-    age:18,
-    isVis:false
-}
-let g_object: distributedObject.DistributedObject = distributedObject.createDistributedObject(source);
 // 删除上下线回调changeCallback
-g_object.off("status", (statusCallback:offStatusCallback) => {
-    console.info("status changed " + statusCallback.sessionId + " " + statusCallback.status + " " + statusCallback.deviceId);
-});
+g_object.off("status",globalThis.statusCallback);
 // 删除所有的上下线回调
 g_object.off("status");
-```
+```
\ No newline at end of file
diff --git a/zh-cn/application-dev/reference/apis/js-apis-data-preferences.md b/zh-cn/application-dev/reference/apis/js-apis-data-preferences.md
index b9ea1bd0f99eafe3ea98bd3d49f2d7dee68422e6..45793b14f441c7b11870acfdbbbaf84f596b9388 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-data-preferences.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-data-preferences.md
@@ -12,7 +12,7 @@
 
 ## 导入模块
 
-```js
+```ts
 import data_preferences from '@ohos.data.preferences';
 ```
 
@@ -46,13 +46,13 @@ getPreferences(context: Context, name: string, callback: AsyncCallback&lt;Prefer
 
 FA模型示例：
 
-```js
+```ts
 // 获取context
 import featureAbility from '@ohos.ability.featureAbility';
 import { BusinessError } from '@ohos.base';
 
 let context = featureAbility.getContext();
-let preferences: data_preferences.Preferences = null;
+let preferences: data_preferences.Preferences | null = null;
 
 try {
     data_preferences.getPreferences(context, 'myStore', (err: BusinessError, val: data_preferences.Preferences) => {
@@ -64,7 +64,9 @@ try {
         console.info("Succeeded in getting preferences.");
     })
 } catch (err) {
-    console.error("Failed to get preferences. code =" + err.code + ", message =" + err.message);
+    let code = (err as BusinessError).code;
+    let message = (err as BusinessError).message;
+    console.error("Failed to get preferences. code =" + code + ", message =" + message);
 }
 ```
 
@@ -75,7 +77,7 @@ import UIAbility from '@ohos.app.ability.UIAbility';
 import { BusinessError } from '@ohos.base';
 import window from '@ohos.window';
 
-let preferences: data_preferences.Preferences = null;
+let preferences: data_preferences.Preferences | null = null;
 
 class EntryAbility extends UIAbility {
     onWindowStageCreate(windowStage: window.WindowStage) {
@@ -89,7 +91,9 @@ class EntryAbility extends UIAbility {
                 console.info("Succeeded in getting preferences.");
             })
         } catch (err) {
-            console.error("Failed to get preferences. code =" + err.code + ", message =" + err.message);
+            let code = (err as BusinessError).code;
+            let message = (err as BusinessError).message;
+            console.error("Failed to get preferences. code =" + code + ", message =" + message);
         }
     }
 }
@@ -120,14 +124,14 @@ getPreferences(context: Context, name: string): Promise&lt;Preferences&gt;
 
 FA模型示例：
 
-```js
+```ts
 // 获取context
 import featureAbility from '@ohos.ability.featureAbility';
 import { BusinessError } from '@ohos.base'
 
 let context = featureAbility.getContext();
 
-let preferences: data_preferences.Preferences = null;
+let preferences: data_preferences.Preferences | null = null;
 try {
     let promise = data_preferences.getPreferences(context, 'myStore');
     promise.then((object: data_preferences.Preferences) => {
@@ -136,8 +140,10 @@ try {
     }).catch((err: BusinessError) => {
         console.error("Failed to get preferences. code =" + err.code + ", message =" + err.message);
     })
-} catch(err) {
-    console.error("Failed to get preferences. code =" + err.code + ", message =" + err.message);
+} catch (err) {
+    let code = (err as BusinessError).code;
+    let message = (err as BusinessError).message;
+    console.error("Failed to get preferences. code =" + code + ", message =" + message);
 }
 ```
 
@@ -148,7 +154,7 @@ import UIAbility from '@ohos.app.ability.UIAbility';
 import { BusinessError } from '@ohos.base'
 import window from '@ohos.window';
 
-let preferences: data_preferences.Preferences = null;
+let preferences: data_preferences.Preferences | null = null;
 
 class EntryAbility extends UIAbility {
     onWindowStageCreate(windowStage: window.WindowStage) {
@@ -160,8 +166,10 @@ class EntryAbility extends UIAbility {
             }).catch((err: BusinessError) => {
                 console.error("Failed to get preferences. code =" + err.code + ", message =" + err.message);
             })
-        } catch(err) {
-            console.error("Failed to get preferences. code =" + err.code + ", message =" + err.message);
+        } catch (err) {
+            let code = (err as BusinessError).code;
+            let message = (err as BusinessError).message;
+            console.error("Failed to get preferences. code =" + code + ", message =" + message);
         }
     }
 }
@@ -196,13 +204,13 @@ getPreferences(context: Context, options: Options, callback: AsyncCallback&lt;Pr
 
 FA模型示例：
 
-```js
+```ts
 // 获取context
 import featureAbility from '@ohos.ability.featureAbility';
 import { BusinessError } from '@ohos.base'
 
 let context = featureAbility.getContext();
-let preferences: data_preferences.Preferences = null;
+let preferences: data_preferences.Preferences | null = null;
 
 try {
     let options: data_preferences.Options = { name: 'myStore', dataGroupId:'myId' };
@@ -215,7 +223,9 @@ try {
         console.info("Succeeded in getting preferences.");
     })
 } catch (err) {
-    console.error("Failed to get preferences. code =" + err.code + ", message =" + err.message);
+    let code = (err as BusinessError).code;
+    let message = (err as BusinessError).message;
+    console.error("Failed to get preferences. code =" + code + ", message =" + message);
 }
 ```
 
@@ -227,7 +237,7 @@ import UIAbility from '@ohos.app.ability.UIAbility';
 import { BusinessError } from '@ohos.base'
 import window from '@ohos.window';
 
-let preferences: data_preferences.Preferences = null;
+let preferences: data_preferences.Preferences | null = null;
 
 class EntryAbility extends UIAbility {
     onWindowStageCreate(windowStage: window.WindowStage) {
@@ -242,7 +252,9 @@ class EntryAbility extends UIAbility {
                 console.info("Succeeded in getting preferences.");
             })
         } catch (err) {
-            console.error("Failed to get preferences. code =" + err.code + ", message =" + err.message);
+            let code = (err as BusinessError).code;
+            let message = (err as BusinessError).message;
+            console.error("Failed to get preferences. code =" + code + ", message =" + message);
         }
     }
 }
@@ -282,13 +294,13 @@ getPreferences(context: Context, options: Options): Promise&lt;Preferences&gt;
 
 FA模型示例：
 
-```js
+```ts
 // 获取context
 import featureAbility from '@ohos.ability.featureAbility';
 import { BusinessError } from '@ohos.base'
 let context = featureAbility.getContext();
 
-let preferences: data_preferences.Preferences = null;
+let preferences: data_preferences.Preferences | null = null;
 try {
     let options: data_preferences.Options =  { name: 'myStore' };
     let promise = data_preferences.getPreferences(context, options);
@@ -298,8 +310,10 @@ try {
     }).catch((err: BusinessError) => {
         console.error("Failed to get preferences. code =" + err.code + ", message =" + err.message);
     })
-} catch(err) {
-    console.error("Failed to get preferences. code =" + err.code + ", message =" + err.message);
+} catch (err) {
+    let code = (err as BusinessError).code;
+    let message = (err as BusinessError).message;
+    console.error("Failed to get preferences. code =" + code + ", message =" + message);
 }
 ```
 
@@ -310,7 +324,7 @@ import UIAbility from '@ohos.app.ability.UIAbility';
 import { BusinessError } from '@ohos.base'
 import window from '@ohos.window';
 
-let preferences: data_preferences.Preferences = null;
+let preferences: data_preferences.Preferences | null = null;
 
 class EntryAbility extends UIAbility {
     onWindowStageCreate(windowStage: window.WindowStage) {
@@ -323,8 +337,10 @@ class EntryAbility extends UIAbility {
             }).catch((err: BusinessError) => {
                 console.error("Failed to get preferences. code =" + err.code + ", message =" + err.message);
             })
-        } catch(err) {
-            console.error("Failed to get preferences. code =" + err.code + ", message =" + err.message);
+        } catch (err) {
+            let code = (err as BusinessError).code;
+            let message = (err as BusinessError).message;
+            console.error("Failed to get preferences. code =" + code + ", message =" + message);
         }
     }
 }
@@ -364,19 +380,21 @@ getPreferencesSync(context: Context, options: Options): Preferences
 
 FA模型示例：
 
-```js
+```ts
 // 获取context
 import featureAbility from '@ohos.ability.featureAbility';
 import { BusinessError } from '@ohos.base'
 
 let context = featureAbility.getContext();
-let preferences: data_preferences.Preferences = null;
+let preferences: data_preferences.Preferences | null = null;
 
 try {
     let options: data_preferences.Options =  { name: 'myStore' };
     preferences = data_preferences.getPreferencesSync(context, options);
-} catch(err) {
-    console.error("Failed to get preferences. code =" + err.code + ", message =" + err.message);
+} catch (err) {
+    let code = (err as BusinessError).code;
+    let message = (err as BusinessError).message;
+    console.error("Failed to get preferences. code =" + code + ", message =" + message);
 }
 ```
 
@@ -387,15 +405,17 @@ import UIAbility from '@ohos.app.ability.UIAbility';
 import { BusinessError } from '@ohos.base'
 import window from '@ohos.window';
 
-let preferences: data_preferences.Preferences = null;
+let preferences: data_preferences.Preferences | null = null;
 
 class EntryAbility extends UIAbility {
     onWindowStageCreate(windowStage: window.WindowStage) {
         try {
             let options: data_preferences.Options = { name: 'myStore', dataGroupId:'myId' };
             preferences = data_preferences.getPreferencesSync(this.context, options);
-        } catch(err) {
-            console.error("Failed to get preferences. code =" + err.code + ", message =" + err.message);
+        } catch (err) {
+            let code = (err as BusinessError).code;
+            let message = (err as BusinessError).message;
+            console.error("Failed to get preferences. code =" + code + ", message =" + message);
         }
     }
 }
@@ -431,7 +451,7 @@ deletePreferences(context: Context, name: string, callback: AsyncCallback&lt;voi
 
 FA模型示例：
 
-```js
+```ts
 // 获取context
 import featureAbility from '@ohos.ability.featureAbility';
 import { BusinessError } from '@ohos.base'
@@ -447,7 +467,9 @@ try {
         console.info("Succeeded in deleting preferences." );
     })
 } catch (err) {
-    console.error("Failed to delete preferences. code =" + err.code + ", message =" + err.message);
+    let code = (err as BusinessError).code;
+    let message = (err as BusinessError).message;
+    console.error("Failed to delete preferences. code =" + code + ", message =" + message);
 }
 ```
 
@@ -469,7 +491,9 @@ class EntryAbility extends UIAbility {
                 console.info("Succeeded in deleting preferences." );
             })
         } catch (err) {
-            console.error("Failed to delete preferences. code =" + err.code + ", message =" + err.message);
+            let code = (err as BusinessError).code;
+            let message = (err as BusinessError).message;
+            console.error("Failed to delete preferences. code =" + code + ", message =" + message);
         }
     }
 }
@@ -510,7 +534,7 @@ deletePreferences(context: Context, name: string): Promise&lt;void&gt;
 
 FA模型示例：
 
-```js
+```ts
 // 获取context
 import featureAbility from '@ohos.ability.featureAbility';
 import { BusinessError } from '@ohos.base'
@@ -524,8 +548,10 @@ try {
     }).catch((err: BusinessError) => {
         console.error("Failed to delete preferences. code =" + err.code + ", message =" + err.message);
     })
-} catch(err) {
-    console.error("Failed to delete preferences. code =" + err.code + ", message =" + err.message);
+} catch (err) {
+    let code = (err as BusinessError).code;
+    let message = (err as BusinessError).message;
+    console.error("Failed to delete preferences. code =" + code + ", message =" + message);
 }
 ```
 
@@ -545,8 +571,10 @@ class EntryAbility extends UIAbility {
             }).catch((err: BusinessError) => {
                 console.error("Failed to delete preferences. code =" + err.code + ", message =" + err.message);
             })
-        } catch(err) {
-            console.error("Failed to delete preferences. code =" + err.code + ", message =" + err.message);
+        } catch (err) {
+            let code = (err as BusinessError).code;
+            let message = (err as BusinessError).message;
+            console.error("Failed to delete preferences. code =" + code + ", message =" + message);
         }
     }
 }
@@ -584,7 +612,7 @@ deletePreferences(context: Context, options: Options, callback: AsyncCallback&lt
 
 FA模型示例：
 
-```js
+```ts
 // 获取context
 import featureAbility from '@ohos.ability.featureAbility';
 import { BusinessError } from '@ohos.base'
@@ -601,7 +629,9 @@ try {
         console.info("Succeeded in deleting preferences." );
     })
 } catch (err) {
-    console.error("Failed to delete preferences. code =" + err.code + ", message =" + err.message);
+    let code = (err as BusinessError).code;
+    let message = (err as BusinessError).message;
+    console.error("Failed to delete preferences. code =" + code + ", message =" + message);
 }
 ```
 
@@ -624,7 +654,9 @@ class EntryAbility extends UIAbility {
                 console.info("Succeeded in deleting preferences." );
             })
         } catch (err) {
-            console.error("Failed to delete preferences. code =" + err.code + ", message =" + err.message);
+            let code = (err as BusinessError).code;
+            let message = (err as BusinessError).message;
+            console.error("Failed to delete preferences. code =" + code + ", message =" + message);
         }
     }
 }
@@ -668,7 +700,7 @@ deletePreferences(context: Context, options: Options): Promise&lt;void&gt;
 
 FA模型示例：
 
-```js
+```ts
 // 获取context
 import featureAbility from '@ohos.ability.featureAbility';
 import { BusinessError } from '@ohos.base'
@@ -683,8 +715,10 @@ try {
     }).catch((err: BusinessError) => {
         console.error("Failed to delete preferences. code =" + err.code + ", message =" + err.message);
     })
-} catch(err) {
-    console.error("Failed to delete preferences. code =" + err.code + ", message =" + err.message);
+} catch (err) {
+    let code = (err as BusinessError).code;
+    let message = (err as BusinessError).message;
+    console.error("Failed to delete preferences. code =" + code + ", message =" + message);
 }
 ```
 
@@ -705,8 +739,10 @@ class EntryAbility extends UIAbility {
             }).catch((err: BusinessError) => {
                 console.error("Failed to delete preferences. code =" + err.code + ", message =" + err.message);
             })
-        } catch(err) {
-            console.error("Failed to delete preferences. code =" + err.code + ", message =" + err.message);
+        } catch (err) {
+            let code = (err as BusinessError).code;
+            let message = (err as BusinessError).message;
+            console.error("Failed to delete preferences. code =" + code + ", message =" + message);
         }
     }
 }
@@ -737,7 +773,7 @@ removePreferencesFromCache(context: Context, name: string, callback: AsyncCallba
 
 FA模型示例：
 
-```js
+```ts
 // 获取context
 import featureAbility from '@ohos.ability.featureAbility';
 import { BusinessError } from '@ohos.base'
@@ -752,7 +788,9 @@ try {
         console.info("Succeeded in removing preferences.");
     })
 } catch (err) {
-    console.error("Failed to remove preferences. code =" + err.code + ", message =" + err.message);
+    let code = (err as BusinessError).code;
+    let message = (err as BusinessError).message;
+    console.error("Failed to remove preferences. code =" + code + ", message =" + message);
 }
 ```
 
@@ -774,7 +812,9 @@ class EntryAbility extends UIAbility {
                 console.info("Succeeded in removing preferences.");
             })
         } catch (err) {
-            console.error("Failed to remove preferences. code =" + err.code + ", message =" + err.message);
+            let code = (err as BusinessError).code;
+            let message = (err as BusinessError).message;
+            console.error("Failed to remove preferences. code =" + code + ", message =" + message);
         }
     }
 }
@@ -809,7 +849,7 @@ removePreferencesFromCache(context: Context, name: string): Promise&lt;void&gt;
 
 FA模型示例：
 
-```js
+```ts
 // 获取context
 import featureAbility from '@ohos.ability.featureAbility';
 import { BusinessError } from '@ohos.base'
@@ -822,8 +862,10 @@ try {
     }).catch((err: BusinessError) => {
         console.error("Failed to remove preferences. code =" + err.code + ", message =" + err.message);
     })
-} catch(err) {
-    console.error("Failed to remove preferences. code =" + err.code + ", message =" + err.message);
+} catch (err) {
+    let code = (err as BusinessError).code;
+    let message = (err as BusinessError).message;
+    console.error("Failed to remove preferences. code =" + code + ", message =" + message);
 }
 ```
 
@@ -843,8 +885,10 @@ class EntryAbility extends UIAbility {
             }).catch((err: BusinessError) => {
                 console.error("Failed to remove preferences. code =" + err.code + ", message =" + err.message);
             })
-        } catch(err) {
-            console.error("Failed to remove preferences. code =" + err.code + ", message =" + err.message);
+        } catch (err) {
+            let code = (err as BusinessError).code;
+            let message = (err as BusinessError).message;
+            console.error("Failed to remove preferences. code =" + code + ", message =" + message);
         }
     }
 }
@@ -873,14 +917,16 @@ removePreferencesFromCacheSync(context: Context, name: string): void
 
 FA模型示例：
 
-```js
+```ts
 // 获取context
 import featureAbility from '@ohos.ability.featureAbility';
 let context = featureAbility.getContext();
 try {
     data_preferences.removePreferencesFromCacheSync(context, 'myStore');
-} catch(err) {
-    console.error("Failed to remove preferences. code =" + err.code + ", message =" + err.message);
+} catch (err) {
+    let code = (err as BusinessError).code;
+    let message = (err as BusinessError).message;
+    console.error("Failed to remove preferences. code =" + code + ", message =" + message);
 }
 ```
 
@@ -893,8 +939,10 @@ class EntryAbility extends UIAbility {
     onWindowStageCreate(windowStage: window.WindowStage) {
         try {
             data_preferences.removePreferencesFromCacheSync(this.context, 'myStore');
-        } catch(err) {
-            console.error("Failed to remove preferences. code =" + err.code + ", message =" + err.message);
+        } catch (err) {
+            let code = (err as BusinessError).code;
+            let message = (err as BusinessError).message;
+            console.error("Failed to remove preferences. code =" + code + ", message =" + message);
         }
     }
 }
@@ -933,7 +981,7 @@ removePreferencesFromCache(context: Context, options: Options, callback: AsyncCa
 
 FA模型示例：
 
-```js
+```ts
 // 获取context
 import featureAbility from '@ohos.ability.featureAbility';
 import { BusinessError } from '@ohos.base'
@@ -948,7 +996,9 @@ try {
         console.info("Succeeded in removing preferences.");
     })
 } catch (err) {
-    console.error("Failed to remove preferences. code =" + err.code + ", message =" + err.message);
+    let code = (err as BusinessError).code;
+    let message = (err as BusinessError).message;
+    console.error("Failed to remove preferences. code =" + code + ", message =" + message);
 }
 ```
 
@@ -971,7 +1021,9 @@ class EntryAbility extends UIAbility {
                 console.info("Succeeded in removing preferences.");
             })
         } catch (err) {
-            console.error("Failed to remove preferences. code =" + err.code + ", message =" + err.message);
+            let code = (err as BusinessError).code;
+            let message = (err as BusinessError).message;
+            console.error("Failed to remove preferences. code =" + code + ", message =" + message);
         }
     }
 }
@@ -1015,7 +1067,7 @@ removePreferencesFromCache(context: Context, options: Options): Promise&lt;void&
 
 FA模型示例：
 
-```js
+```ts
 // 获取context
 import featureAbility from '@ohos.ability.featureAbility';
 import { BusinessError } from '@ohos.base'
@@ -1028,8 +1080,10 @@ try {
     }).catch((err: BusinessError) => {
         console.error("Failed to remove preferences. code =" + err.code + ", message =" + err.message);
     })
-} catch(err) {
-    console.error("Failed to remove preferences. code =" + err.code + ", message =" + err.message);
+} catch (err) {
+    let code = (err as BusinessError).code;
+    let message = (err as BusinessError).message;
+    console.error("Failed to remove preferences. code =" + code + ", message =" + message);
 }
 ```
 
@@ -1050,8 +1104,10 @@ class EntryAbility extends UIAbility {
             }).catch((err: BusinessError) => {
                 console.error("Failed to remove preferences. code =" + err.code + ", message =" + err.message);
             })
-        } catch(err) {
-            console.error("Failed to remove preferences. code =" + err.code + ", message =" + err.message);
+        } catch (err) {
+            let code = (err as BusinessError).code;
+            let message = (err as BusinessError).message;
+            console.error("Failed to remove preferences. code =" + code + ", message =" + message);
         }
     }
 }
@@ -1089,15 +1145,17 @@ removePreferencesFromCacheSync(context: Context, options: Options):void
 
 FA模型示例：
 
-```js
+```ts
 // 获取context
 import featureAbility from '@ohos.ability.featureAbility';
 let context = featureAbility.getContext();
 try {
     let options: data_preferences.Options = { name: 'myStore' };
     data_preferences.removePreferencesFromCacheSync(context, options);
-} catch(err) {
-    console.error("Failed to remove preferences. code =" + err.code + ", message =" + err.message);
+} catch (err) {
+    let code = (err as BusinessError).code;
+    let message = (err as BusinessError).message;
+    console.error("Failed to remove preferences. code =" + code + ", message =" + message);
 }
 ```
 
@@ -1112,8 +1170,10 @@ class EntryAbility extends UIAbility {
         try {
             let options: data_preferences.Options = { name: 'myStore', dataGroupId:'myId' };
             data_preferences.removePreferencesFromCacheSync(this.context, options);
-        } catch(err) {
-            console.error("Failed to remove preferences. code =" + err.code + ", message =" + err.message);
+        } catch (err) {
+            let code = (err as BusinessError).code;
+            let message = (err as BusinessError).message;
+            console.error("Failed to remove preferences. code =" + code + ", message =" + message);
         }
     }
 }
@@ -1155,7 +1215,7 @@ get(key: string, defValue: ValueType, callback: AsyncCallback&lt;ValueType&gt;):
 
 **示例：**
 
-```js
+```ts
 try {
     preferences.get('startup', 'default', (err: BusinessError, val: data_preferences.ValueType) => {
         if (err) {
@@ -1165,7 +1225,9 @@ try {
         console.info("Succeeded in getting value of 'startup'. val： " + val);
     })
 } catch (err) {
-    console.error("Failed to get value of 'startup'. code =" + err.code + ", message =" + err.message);
+    let code = (err as BusinessError).code;
+    let message = (err as BusinessError).message;
+    console.error("Failed to get value of 'startup'. code =" + code + ", message =" + message);
 }
 ```
 
@@ -1193,7 +1255,7 @@ get(key: string, defValue: ValueType): Promise&lt;ValueType&gt;
 
 **示例：**
 
-```js
+```ts
 try {
     let promise = preferences.get('startup', 'default');
     promise.then((data: data_preferences.ValueType) => {
@@ -1201,8 +1263,10 @@ try {
     }).catch((err: BusinessError) => {
         console.error("Failed to get value of 'startup'. code =" + err.code + ", message =" + err.message);
     })
-} catch(err) {
-    console.error("Failed to get value of 'startup'. code =" + err.code + ", message =" + err.message);
+} catch (err) {
+    let code = (err as BusinessError).code;
+    let message = (err as BusinessError).message;
+    console.error("Failed to get value of 'startup'. code =" + code + ", message =" + message);
 }
 ```
 
@@ -1229,12 +1293,14 @@ getSync(key: string, defValue: ValueType): ValueType
 
 **示例：**
 
-```js
+```ts
 try {
     let value: data_preferences.ValueType = preferences.getSync('startup', 'default');
     console.info("Succeeded in getting value of 'startup'. Data: " + value);
-} catch(err) {
-    console.error("Failed to get value of 'startup'. code =" + err.code + ", message =" + err.message);
+} catch (err) {
+    let code = (err as BusinessError).code;
+    let message = (err as BusinessError).message;
+    console.error("Failed to get value of 'startup'. code =" + code + ", message =" + message);
 }
 ```
 
@@ -1254,19 +1320,28 @@ getAll(callback: AsyncCallback&lt;Object&gt;): void;
 
 **示例：**
 
-```js
+```ts
+// 由于ArkTS中无Object.keys，且无法使用for..in...
+// 若报ArkTS问题，请将此方法单独抽离至一个ts文件中并暴露，在需要用到的ets文件中引入使用
+function getObjKeys(obj: Object): string[] {
+  let keys = Object.keys(obj);
+  return keys;
+}
+
 try {
-    preferences.getAll((err: BusinessError, value: data_preferences.ValueType) => {
+    preferences.getAll((err: BusinessError, value: Object) => {
         if (err) {
             console.error("Failed to get all key-values. code =" + err.code + ", message =" + err.message);
             return;
         }
-        let allKeys = Object.keys(value);
+        let allKeys = getObjKeys(value);
         console.info("getAll keys = " + allKeys);
         console.info("getAll object = " + JSON.stringify(value));
     })
 } catch (err) {
-    console.error("Failed to get all key-values. code =" + err.code + ", message =" + err.message);
+    let code = (err as BusinessError).code;
+    let message = (err as BusinessError).message;
+    console.error("Failed to get all key-values. code =" + code + ", message =" + message);
 }
 ```
 
@@ -1287,18 +1362,27 @@ getAll(): Promise&lt;Object&gt;
 
 **示例：**
 
-```js
+```ts
+// 由于ArkTS中无Object.keys，且无法使用for..in...
+// 若报ArkTS问题，请将此方法单独抽离至一个ts文件中并暴露，在需要用到的ets文件中引入使用
+function getObjKeys(obj: Object): string[] {
+  let keys = Object.keys(obj);
+  return keys;
+}
+
 try {
     let promise = preferences.getAll();
-    promise.then((value: data_preferences.ValueType) => {
-        let allKeys = Object.keys(value);
+    promise.then((value: Object) => {
+        let allKeys = getObjKeys(value);
         console.info('getAll keys = ' + allKeys);
         console.info("getAll object = " + JSON.stringify(value));
     }).catch((err: BusinessError) => {
         console.error("Failed to get all key-values. code =" + err.code + ", message =" + err.message);
     })
 } catch (err) {
-    console.error("Failed to get all key-values. code =" + err.code + ", message =" + err.message);
+    let code = (err as BusinessError).code;
+    let message = (err as BusinessError).message;
+    console.error("Failed to get all key-values. code =" + code + ", message =" + message);
 }
 ```
 
@@ -1318,14 +1402,23 @@ getAllSync(): Object
 
 **示例：**
 
-```js
+```ts
+// 由于ArkTS中无Object.keys，且无法使用for..in...
+// 若报ArkTS问题，请将此方法单独抽离至一个ts文件中并暴露，在需要用到的ets文件中引入使用
+function getObjKeys(obj: Object): string[] {
+  let keys = Object.keys(obj);
+  return keys;
+}
+
 try {
     let value = preferences.getAllSync();
-    let allKeys = Object.keys(value);
+    let allKeys = getObjKeys(value);
     console.info('getAll keys = ' + allKeys);
     console.info("getAll object = " + JSON.stringify(value));
 } catch (err) {
-    console.error("Failed to get all key-values. code =" + err.code + ", message =" + err.message);
+    let code = (err as BusinessError).code;
+    let message = (err as BusinessError).message;
+    console.error("Failed to get all key-values. code =" + code + ", message =" + message);
 }
 ```
 
@@ -1347,7 +1440,7 @@ put(key: string, value: ValueType, callback: AsyncCallback&lt;void&gt;): void
 
 **示例：**
 
-```js
+```ts
 try {
     preferences.put('startup', 'auto', (err: BusinessError) => {
         if (err) {
@@ -1357,7 +1450,9 @@ try {
         console.info("Succeeded in putting value of 'startup'.");
     })
 } catch (err) {
-    console.error("Failed to put value of 'startup'. code =" + err.code + ", message =" + err.message);
+    let code = (err as BusinessError).code;
+    let message = (err as BusinessError).message;
+    console.error("Failed to put value of 'startup'. code =" + code + ", message =" + message);
 }
 ```
 
@@ -1385,7 +1480,7 @@ put(key: string, value: ValueType): Promise&lt;void&gt;
 
 **示例：**
 
-```js
+```ts
 try {
     let promise = preferences.put('startup', 'auto');
     promise.then(() => {
@@ -1393,8 +1488,10 @@ try {
     }).catch((err: BusinessError) => {
         console.error("Failed to put value of 'startup'. code =" + err.code +", message =" + err.message);
     })
-} catch(err) {
-    console.error("Failed to put value of 'startup'. code =" + err.code +", message =" + err.message);
+} catch (err) {
+    let code = (err as BusinessError).code;
+    let message = (err as BusinessError).message;
+    console.error("Failed to put value of 'startup'. code =" + code +", message =" + message);
 }
 ```
 
@@ -1416,11 +1513,13 @@ putSync(key: string, value: ValueType): void
 
 **示例：**
 
-```js
+```ts
 try {
     preferences.putSync('startup', 'auto');
-} catch(err) {
-    console.error("Failed to put value of 'startup'. code =" + err.code +", message =" + err.message);
+} catch (err) {
+    let code = (err as BusinessError).code;
+    let message = (err as BusinessError).message;
+    console.error("Failed to put value of 'startup'. code =" + code +", message =" + message);
 }
 ```
 
@@ -1442,7 +1541,7 @@ has(key: string, callback: AsyncCallback&lt;boolean&gt;): void
 
 **示例：**
 
-```js
+```ts
 try {
     preferences.has('startup', (err: BusinessError, val: boolean) => {
         if (err) {
@@ -1456,7 +1555,9 @@ try {
         }
     })
 } catch (err) {
-    console.error("Failed to check the key 'startup'. code =" + err.code + ", message =" + err.message);
+    let code = (err as BusinessError).code;
+    let message = (err as BusinessError).message;
+    console.error("Failed to check the key 'startup'. code =" + code + ", message =" + message);
 }
 ```
 
@@ -1483,7 +1584,7 @@ has(key: string): Promise&lt;boolean&gt;
 
 **示例：**
 
-```js
+```ts
 try {
     let promise = preferences.has('startup');
     promise.then((val: boolean) => {
@@ -1495,8 +1596,10 @@ try {
     }).catch((err: BusinessError) => {
         console.error("Failed to check the key 'startup'. code =" + err.code + ", message =" + err.message);
     })
-} catch(err) {
-    console.error("Failed to check the key 'startup'. code =" + err.code + ", message =" + err.message);
+} catch (err) {
+    let code = (err as BusinessError).code;
+    let message = (err as BusinessError).message;
+    console.error("Failed to check the key 'startup'. code =" + code + ", message =" + message);
 }
 ```
 
@@ -1523,7 +1626,7 @@ hasSync(key: string): boolean
 
 **示例：**
 
-```js
+```ts
 try {
     let isExist: boolean = preferences.hasSync('startup');
     if (isExist) {
@@ -1531,8 +1634,10 @@ try {
     } else {
         console.info("The key 'startup' dose not contain.");
     }
-} catch(err) {
-    console.error("Failed to check the key 'startup'. code =" + err.code + ", message =" + err.message);
+} catch (err) {
+    let code = (err as BusinessError).code;
+    let message = (err as BusinessError).message;
+    console.error("Failed to check the key 'startup'. code =" + code + ", message =" + message);
 }
 ```
 
@@ -1554,7 +1659,7 @@ delete(key: string, callback: AsyncCallback&lt;void&gt;): void
 
 **示例：**
 
-```js
+```ts
 try {
     preferences.delete('startup', (err: BusinessError) => {
         if (err) {
@@ -1564,7 +1669,9 @@ try {
         console.info("Succeeded in deleting the key 'startup'.");
     })
 } catch (err) {
-    console.error("Failed to delete the key 'startup'. code =" + err.code + ", message =" + err.message);
+    let code = (err as BusinessError).code;
+    let message = (err as BusinessError).message;
+    console.error("Failed to delete the key 'startup'. code =" + code + ", message =" + message);
 }
 ```
 
@@ -1591,7 +1698,7 @@ delete(key: string): Promise&lt;void&gt;
 
 **示例：**
 
-```js
+```ts
 try {
     let promise = preferences.delete('startup');
     promise.then(() => {
@@ -1599,8 +1706,10 @@ try {
     }).catch((err: BusinessError) => {
         console.error("Failed to delete the key 'startup'. code =" + err.code +", message =" + err.message);
     })
-} catch(err) {
-    console.error("Failed to delete the key 'startup'. code =" + err.code +", message =" + err.message);
+} catch (err) {
+    let code = (err as BusinessError).code;
+    let message = (err as BusinessError).message;
+    console.error("Failed to delete the key 'startup'. code =" + code +", message =" + message);
 }
 ```
 
@@ -1621,11 +1730,13 @@ deleteSync(key: string): void
 
 **示例：**
 
-```js
+```ts
 try {
     preferences.deleteSync('startup');
-} catch(err) {
-    console.error("Failed to delete the key 'startup'. code =" + err.code +", message =" + err.message);
+} catch (err) {
+    let code = (err as BusinessError).code;
+    let message = (err as BusinessError).message;
+    console.error("Failed to delete the key 'startup'. code =" + code +", message =" + message);
 }
 ```
 
@@ -1646,7 +1757,7 @@ flush(callback: AsyncCallback&lt;void&gt;): void
 
 **示例：**
 
-```js
+```ts
 try {
     preferences.flush((err: BusinessError) => {
         if (err) {
@@ -1656,7 +1767,9 @@ try {
         console.info("Succeeded in flushing.");
     })
 } catch (err) {
-    console.error("Failed to flush. code =" + err.code + ", message =" + err.message);
+    let code = (err as BusinessError).code;
+    let message = (err as BusinessError).message;
+    console.error("Failed to flush. code =" + code + ", message =" + message);
 }
 ```
 
@@ -1677,7 +1790,7 @@ flush(): Promise&lt;void&gt;
 
 **示例：**
 
-```js
+```ts
 try {
     let promise = preferences.flush();
     promise.then(() => {
@@ -1686,7 +1799,9 @@ try {
         console.error("Failed to flush. code =" + err.code + ", message =" + err.message);
     })
 } catch (err) {
-    console.error("Failed to flush. code =" + err.code + ", message =" + err.message);
+    let code = (err as BusinessError).code;
+    let message = (err as BusinessError).message;
+    console.error("Failed to flush. code =" + code + ", message =" + message);
 }
 ```
 
@@ -1707,7 +1822,7 @@ clear(callback: AsyncCallback&lt;void&gt;): void
 
 **示例：**
 
-```js
+```ts
 try {
     preferences.clear((err: BusinessError) =>{
         if (err) {
@@ -1717,7 +1832,9 @@ try {
         console.info("Succeeded in clearing.");
     })
 } catch (err) {
-    console.error("Failed to clear. code =" + err.code + ", message =" + err.message);
+    let code = (err as BusinessError).code;
+    let message = (err as BusinessError).message;
+    console.error("Failed to clear. code =" + code + ", message =" + message);
 }
 ```
 
@@ -1738,7 +1855,7 @@ clear(): Promise&lt;void&gt;
 
 **示例：**
 
-```js
+```ts
 try {
     let promise = preferences.clear();
     promise.then(() => {
@@ -1746,8 +1863,10 @@ try {
     }).catch((err: BusinessError) => {
         console.error("Failed to clear. code =" + err.code + ", message =" + err.message);
     })
-} catch(err) {
-    console.error("Failed to clear. code =" + err.code + ", message =" + err.message);
+} catch (err) {
+    let code = (err as BusinessError).code;
+    let message = (err as BusinessError).message;
+    console.error("Failed to clear. code =" + code + ", message =" + message);
 }
 ```
 
@@ -1762,11 +1881,13 @@ clearSync(): void
 
 **示例：**
 
-```js
+```ts
 try {
     preferences.clearSync();
-} catch(err) {
-    console.error("Failed to clear. code =" + err.code + ", message =" + err.message);
+} catch (err) {
+    let code = (err as BusinessError).code;
+    let message = (err as BusinessError).message;
+    console.error("Failed to clear. code =" + code + ", message =" + message);
 }
 ```
 
@@ -1788,7 +1909,7 @@ on(type: 'change', callback: Callback&lt;{ key : string }&gt;): void
 
 **示例：**
 
-```js
+```ts
 interface observer {
   key: string
 }
@@ -1818,7 +1939,9 @@ try {
         })
     })
 } catch (err) {
-    console.error("Failed to flush. code =" + err.code + ", message =" + err.message);
+    let code = (err as BusinessError).code;
+    let message = (err as BusinessError).message;
+    console.error("Failed to flush. code =" + code + ", message =" + message);
 }
 ```
 
@@ -1849,7 +1972,7 @@ on(type: 'multiProcessChange', callback: Callback&lt;{ key : string }&gt;): void
 
 **示例1：**
 
-```js
+```ts
 interface observer {
   key: string
 }
@@ -1879,13 +2002,15 @@ try {
         })
     })
 } catch (err) {
-    console.error("Failed to flush. code =" + err.code + ", message =" + err.message);
+    let code = (err as BusinessError).code;
+    let message = (err as BusinessError).message;
+    console.error("Failed to flush. code =" + code + ", message =" + message);
 }
 ```
 
 **示例2：**
 
-```js
+```ts
 interface observer {
   key: string
 }
@@ -1909,7 +2034,9 @@ try {
                     console.info("Succeeded in removing preferences.");
                 })
             } catch (err) {
-                console.error("Failed to remove preferences. code =" + err.code + ", message =" + err.message);
+                let code = (err as BusinessError).code;
+                let message = (err as BusinessError).message;
+                console.error("Failed to remove preferences. code =" + code + ", message =" + message);
             }
 
             try {
@@ -1922,7 +2049,9 @@ try {
                     console.info("Succeeded in getting preferences.");
                 })
             } catch (err) {
-                console.error("Failed to get preferences. code =" + err.code + ", message =" + err.message);
+                let code = (err as BusinessError).code;
+                let message = (err as BusinessError).message;
+                console.error("Failed to get preferences. code =" + code + ", message =" + message);
             }
         });
         preferences.put('startup', 'manual', (err: BusinessError) => {
@@ -1942,7 +2071,9 @@ try {
         })
     })
 } catch (err) {
-    console.error("Failed to flush. code =" + err.code + ", message =" + err.message);
+    let code = (err as BusinessError).code;
+    let message = (err as BusinessError).message;
+    console.error("Failed to flush. code =" + code + ", message =" + message);
 }
 ```
 
@@ -1963,7 +2094,7 @@ off(type: 'change', callback?: Callback&lt;{ key : string }&gt;): void
 
 **示例：**
 
-```js
+```ts
 interface observer {
   key: string
 }
@@ -1996,7 +2127,9 @@ try {
         })
     })
 } catch (err) {
-    console.error("Failed to flush. code =" + err.code + ", message =" + err.message);
+    let code = (err as BusinessError).code;
+    let message = (err as BusinessError).message;
+    console.error("Failed to flush. code =" + code + ", message =" + message);
 }
 ```
 
@@ -2017,7 +2150,7 @@ off(type: 'multiProcessChange', callback?: Callback&lt;{ key : string }&gt;): vo
 
 **示例：**
 
-```js
+```ts
 interface observer {
   key: string
 }
@@ -2051,7 +2184,9 @@ try {
         })
     })
 } catch (err) {
-    console.error("Failed to flush. code =" + err.code + ", message =" + err.message);
+    let code = (err as BusinessError).code;
+    let message = (err as BusinessError).message;
+    console.error("Failed to flush. code =" + code + ", message =" + message);
 }
 ```
 ## ValueType
diff --git a/zh-cn/application-dev/reference/apis/js-apis-devicestatus-cooperate.md b/zh-cn/application-dev/reference/apis/js-apis-devicestatus-cooperate.md
index ea69a3bfbd8c3a8665226328522d20c13331ea18..153694019951aad0f4806e31723255f6360c7cb4 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-devicestatus-cooperate.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-devicestatus-cooperate.md
@@ -10,8 +10,9 @@
 
 ## 导入模块
 
-```js
+```ts
 import cooperate from '@ohos.cooperate'
+import BusinessError from '@ohos.base'
 ```
 
 ## cooperate.prepare
@@ -30,9 +31,9 @@ prepare(callback: AsyncCallback&lt;void&gt;): void;
 
 **示例**：
 
-```js
+```ts
 try {
-  cooperate.prepare((error) => {
+  cooperate.prepare((error: BusinessError) => {
     if (error) {
       console.log(`Keyboard mouse crossing prepare failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
       return;
@@ -62,11 +63,11 @@ prepare(): Promise&lt;void&gt;
 
 **示例**：
 
-```js
+```ts
 try {
   cooperate.prepare().then(() => {
     console.log(`Keyboard mouse crossing prepare success.`);
-  }, (error) => {
+  }, (error: BusinessError) => {
     console.log(`Keyboard mouse crossing prepare failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
   });
 } catch (error) {
@@ -89,9 +90,9 @@ unprepare(callback: AsyncCallback&lt;void&gt;): void;
 
 **示例**：
 
-```js
+```ts
 try {
-  cooperate.unprepare((error) => {
+  cooperate.unprepare((error: BusinessError) => {
     if (error) {
       console.log(`Keyboard mouse crossing unprepare failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
       return;
@@ -117,11 +118,11 @@ unprepare(): Promise&lt;void&gt;;
 | ------------------- | --------------------------------------------- |
 | Promise&lt;void&gt; | 无返回结果的Promise对象。 |
 
-```js
+```ts
 try {
   cooperate.unprepare().then(() => {
     console.log(`Keyboard mouse crossing unprepare success.`);
-  }, (error) => {
+  }, (error: BusinessError) => {
     console.log(`Keyboard mouse crossing unprepare failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
   });
 } catch (error) {
@@ -156,11 +157,11 @@ activate(targetNetworkId: string, inputDeviceId: number, callback: AsyncCallback
 
 **示例**：
 
-```js
+```ts
 let targetNetworkId = "networkId";
 let inputDeviceId = 0;
 try {
-  cooperate.activate(targetNetworkId, inputDeviceId, (error) => {
+  cooperate.activate(targetNetworkId, inputDeviceId, (error: BusinessError) => {
     if (error) {
       console.log(`Start Keyboard mouse crossing failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
       return;
@@ -205,13 +206,13 @@ activate(targetNetworkId: string, inputDeviceId: number): Promise&lt;void&gt;;
 
 **示例**：
 
-```js
+```ts
 let targetNetworkId = "networkId";
 let inputDeviceId = 0;
 try {
  cooperate.activate(targetNetworkId, inputDeviceId).then(() => {
     console.log(`Start Keyboard mouse crossing success.`);
-  }, (error) => {
+  }, (error: BusinessError) => {
     console.log(`Start Keyboard mouse crossing failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
   });
 } catch (error) {
@@ -238,9 +239,9 @@ deactivate(isUnchained: boolean, callback: AsyncCallback&lt;void&gt;): void;
 
 **示例**：
 
-```js
+```ts
 try {
-  cooperate.deactivate(false, (error) => {
+  cooperate.deactivate(false, (error: BusinessError) => {
     if (error) {
       console.log(`Stop Keyboard mouse crossing failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
       return;
@@ -278,11 +279,11 @@ deactivate(isUnchained: boolean): Promise&lt;void&gt;;
 
 **示例**：
 
-```js
+```ts
 try {
   cooperate.deactivate(false).then(() => {
     console.log(`Stop Keyboard mouse crossing success.`);
-  }, (error) => {
+  }, (error: BusinessError) => {
     console.log(`Stop Keyboard mouse crossing failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
   });
 } catch (error) {
@@ -307,10 +308,10 @@ getCrossingSwitchState(networkId: string, callback: AsyncCallback&lt;boolean&gt;
 
 **示例**：
 
-```js
+```ts
 let deviceDescriptor = "networkId";
 try {
-  cooperate.getCrossingSwitchState(deviceDescriptor, (error, data) => {
+  cooperate.getCrossingSwitchState(deviceDescriptor, (error: BusinessError, data: boolean) => {
     if (error) {
       console.log(`Get the status failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
       return;
@@ -348,12 +349,12 @@ getCrossingSwitchState(networkId: string): Promise&lt;boolean&gt;;
 
 **示例**：
 
-```js
+```ts
 let deviceDescriptor = "networkId";
 try {
-  cooperate.getCrossingSwitchState(deviceDescriptor).then((data) => {
+  cooperate.getCrossingSwitchState(deviceDescriptor).then((data: boolean) => {
     console.log(`Get the status success, data: ${JSON.stringify(data)}`);
-  }, (error) => {
+  }, (error: BusinessError) => {
     console.log(`Get the status failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
   });
 } catch (error) {
@@ -380,11 +381,13 @@ on(type: 'cooperate', callback: Callback&lt;{ networkId: string, msg: CooperateM
 
 **示例**：
 
-```js
+```ts
+function callback(networkId: string, msg: cooperate.CooperateMsg) {
+  console.log(`Keyboard mouse crossing event: ${JSON.stringify(networkId)}`);
+  return false;
+}
 try {
-  cooperate.on('cooperate', (data) => {
-    console.log(`Keyboard mouse crossing event: ${JSON.stringify(data)}`);
-  });
+  cooperate.on('cooperate', callback);
 } catch (error) {
   console.log(`Register failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
 }
@@ -409,28 +412,32 @@ off(type: 'cooperate', callback?: Callback&lt;void&gt;): void;
 
 **示例**：
 
-```js
+```ts
 // 取消注册单个回调函数
-function callback(event) {
-  console.log(`Keyboard mouse crossing event: ${JSON.stringify(event)}`);
+function callbackOn(networkId: string, msg: cooperate.CooperateMsg) {
+  console.log(`Keyboard mouse crossing event: ${JSON.stringify(networkId)}`);
+  return false;
+}
+function callbackOff() {
+  console.log(`Keyboard mouse crossing event`);
   return false;
 }
 try {
-  cooperate.on('cooperate', callback);
-  cooperate.off("cooperate", callback);
+  cooperate.on('cooperate', callbackOn);
+  cooperate.off('cooperate', callbackOff);
 } catch (error) {
   console.log(`Execute failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
 }
 ```
-```js
+```ts
 // 取消注册所有回调函数
-function callback(event) {
-  console.log(`Keyboard mouse crossing event: ${JSON.stringify(event)}`);
+function callbackOn(networkId: string, msg: cooperate.CooperateMsg) {
+  console.log(`Keyboard mouse crossing event: ${JSON.stringify(networkId)}`);
   return false;
 }
 try {
-  cooperate.on('cooperate', callback);
-  cooperate.off("cooperate");
+  cooperate.on('cooperate', callbackOn);
+  cooperate.off('cooperate');
 } catch (error) {
   console.log(`Execute failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
 }
diff --git a/zh-cn/application-dev/reference/apis/js-apis-devicestatus-draginteraction.md b/zh-cn/application-dev/reference/apis/js-apis-devicestatus-draginteraction.md
index 378357b8cba3a9219d8e7b83e60fefb42505a990..7bf6376761c6c046cbf419e822b40fb9d5ac2217 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-devicestatus-draginteraction.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-devicestatus-draginteraction.md
@@ -10,10 +10,32 @@
 
 ## 导入模块
 
-```js
+```ts
 import dragInteraction from '@ohos.deviceStatus.dragInteraction'
 ```
 
+##  DragState
+
+拖拽状态。
+
+**系统能力**：SystemCapability.Msdp.DeviceStatus.Drag
+
+| 名称                       | 值                             | 说明                              |
+| --------                     |  -----------------               |  -----------------               |
+| MSG_DRAG_STATE_START |  1   | 表示开始拖拽。 |
+| MSG_DRAG_STATE_STOP |  2  |  表示结束拖拽。  |
+| MSG_DRAG_STATE_CANCEL |  3  |  表示取消拖拽。  |
+
+**示例**：
+
+```ts
+enum DragState {
+    MSG_DRAG_STATE_START = 1,
+    MSG_DRAG_STATE_STOP = 2,
+    MSG_DRAG_STATE_CANCEL = 3
+}
+```
+
 ## dragInteraction.on('drag')
 
 on(type: 'drag', callback: Callback&lt;DragState&gt;): void;
@@ -31,9 +53,9 @@ on(type: 'drag', callback: Callback&lt;DragState&gt;): void;
 
 **示例**：
 
-```js
+```ts
 try {
-  dragInteraction.on('drag', (data) => {
+  dragInteraction.on('drag', (data : DragState) => {
     console.log(`Drag interaction event: ${JSON.stringify(data)}`);
   });
 } catch (error) {
@@ -58,41 +80,31 @@ off(type: 'drag', callback?: Callback&lt;DragState&gt;): void;
 
 **示例**：
 
-```js
+```ts
 // 取消注册单个回调函数
-function callback(event) {
+function single_callback(event : DragState) {
   console.log(`Drag interaction event: ${JSON.stringify(event)}`);
   return false;
 }
 try {
-  dragInteraction.on('drag', callback);
-  dragInteraction.off("drag", callback);
+  dragInteraction.on('drag', single_callback);
+  dragInteraction.off("drag", single_callback);
 } catch (error) {
   console.log(`Execute failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
 }
 ```
-```js
+```ts
 // 取消注册所有回调函数
-function callback(event) {
+function all_callback(event : DragState) {
   console.log(`Drag interaction event: ${JSON.stringify(event)}`);
   return false;
 }
 try {
-  dragInteraction.on('drag', callback);
+  dragInteraction.on('drag', all_callback);
   dragInteraction.off("drag");
 } catch (error) {
   console.log(`Execute failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
 }
 ```
 
-##  DragState
 
-拖拽状态。
-
-**系统能力**：SystemCapability.Msdp.DeviceStatus.Drag
-
-| 名称                       | 值                             | 说明                              |
-| --------                     |  -----------------               |  -----------------               |
-| MSG_DRAG_STATE_START |  1   | 表示开始拖拽。 |
-| MSG_DRAG_STATE_STOP |  2  |  表示结束拖拽。  |
-| MSG_DRAG_STATE_CANCEL |  3  |  表示取消拖拽。  |
diff --git a/zh-cn/application-dev/reference/apis/js-apis-emitter.md b/zh-cn/application-dev/reference/apis/js-apis-emitter.md
index e67e625907a1e6001d9422916c0126d2c50fafcf..8aeb88df66b182439e26f7e92759bf5e72c0c73b 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-emitter.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-emitter.md
@@ -10,8 +10,8 @@
 
 ## 导入模块
 
-```javascript
-import emitter from '@ohos.events.emitter'
+```ts
+import emitter from '@ohos.events.emitter';
 ```
 
 ## 权限列表
@@ -35,16 +35,15 @@ on(event: [InnerEvent](#innerevent), callback: Callback\<[EventData](#eventdata)
 
 **示例：**
 
-```javascript
-let innerEvent = {
-    eventId: 1
+```ts
+let innerEvent: emitter.InnerEvent = {
+  eventId: 1
 };
 
-// 收到eventId为1的事件后执行该回调函数
-function emitterCallback() {
-    console.info('callback');
-}
-emitter.on(innerEvent, emitterCallback);
+// 收到eventId为1的事件后执行回调函数
+emitter.on(innerEvent, () => {
+  console.info('callback');
+});
 ```
 
 ## emitter.once
@@ -64,16 +63,15 @@ once(event: [InnerEvent](#innerevent), callback: Callback\<[EventData](#eventdat
 
 **示例：**
 
-```javascript
-let innerEvent = {
+```ts
+let innerEvent: emitter.InnerEvent = {
     eventId: 1
 };
 
 // 收到eventId为1的事件后执行该回调函数
-function emitterCallback() {
+emitter.once(innerEvent, () => {
     console.info('once callback');
-};
-emitter.once(innerEvent, emitterCallback);
+});
 ```
 
 ## emitter.off
@@ -92,7 +90,7 @@ off(eventId: number): void
 
 **示例：**
 
-```javascript
+```ts
 // 取消eventID为1的所有事件回调处理函数
 emitter.off(1);
 ```
@@ -114,13 +112,12 @@ off(eventId: number, callback: Callback\<[EventData](#eventdata)\>): void
 
 **示例：**
 
-```javascript
+```ts
 // 取消eventID为1的事件回调处理函数 emitterCallback
 // 如果该回调处理函数没有被订阅，则不做任何处理
-function emitterCallback() {
-    console.info('callback');
-}
-emitter.off(1, emitterCallback);
+emitter.off(1, () => {
+  console.info('callback');
+});
 ```
 
 ## emitter.emit
@@ -140,15 +137,15 @@ emit(event: [InnerEvent](#innerevent), data?: [EventData](#eventdata)): void
 
 **示例：**
 
-```javascript
-let eventData = {
+```ts
+let eventData: emitter.EventData = {
     data: {
         "content": "c",
         "id": 1,
     }
 };
 
-let innerEvent = {
+let innerEvent: emitter.InnerEvent = {
     eventId: 1,
     priority: emitter.EventPriority.HIGH
 };
diff --git a/zh-cn/application-dev/reference/apis/js-apis-faultLogger.md b/zh-cn/application-dev/reference/apis/js-apis-faultLogger.md
index c403de289f98a680174bef93c5392adc47d3909f..de5fc12b3fdbeb23ca2198f1bcaf79b5a4d8507c 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-faultLogger.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-faultLogger.md
@@ -6,7 +6,7 @@
 
 ## 导入模块
 
-```js
+```ts
 import faultLogger from '@ohos.faultLogger'
 ```
 
@@ -65,13 +65,16 @@ query(faultType: FaultType, callback: AsyncCallback&lt;Array&lt;FaultLogInfo&gt;
 
 **示例：**
 
-```js
-function queryFaultLogCallback(error, value) {
+```ts
+import faultLogger from '@ohos.faultLogger'
+import { BusinessError } from '@ohos.base'
+
+function queryFaultLogCallback(error: BusinessError, value: Array<faultLogger.FaultLogInfo>) {
     if (error) {
         console.info('error is ' + error);
     } else {
         console.info("value length is " + value.length);
-        let len = value.length;
+        let len: number = value.length;
         for (let i = 0; i < len; i++) {
             console.info("log: " + i);
             console.info("Log pid: " + value[i].pid);
@@ -88,7 +91,7 @@ function queryFaultLogCallback(error, value) {
 try {
     faultLogger.query(faultLogger.FaultType.JS_CRASH, queryFaultLogCallback);
 } catch (err) {
-    console.error(`code: ${err.code}, message: ${err.message}`);
+    console.error(`code: ${(err as BusinessError).code}, message: ${(err as BusinessError).message}`);
 }
 ```
 
@@ -122,13 +125,16 @@ query(faultType: FaultType) : Promise&lt;Array&lt;FaultLogInfo&gt;&gt;
 
 **示例：**
 
-```js
+```ts
+import faultLogger from '@ohos.faultLogger'
+import { BusinessError } from '@ohos.base'
+
 async function getLog() {
     try {
-        let value = await faultLogger.query(faultLogger.FaultType.JS_CRASH);
+        let value: Array<faultLogger.FaultLogInfo> = await faultLogger.query(faultLogger.FaultType.JS_CRASH);
         if (value) {
             console.info("value length is " + value.length);
-            let len = value.length;
+            let len: number = value.length;
             for (let i = 0; i < len; i++) {
                 console.info("log: " + i);
                 console.info("Log pid: " + value[i].pid);
@@ -142,7 +148,7 @@ async function getLog() {
             }
         }
     } catch (err) {
-        console.error(`code: ${err.code}, message: ${err.message}`);
+        console.error(`code: ${(err as BusinessError).code}, message: ${(err as BusinessError).message}`);
     }
 }
 ```
@@ -168,13 +174,16 @@ querySelfFaultLog(faultType: FaultType, callback: AsyncCallback&lt;Array&lt;Faul
 
 **示例：**
 
-```js
-function queryFaultLogCallback(error, value) {
+```ts
+import faultLogger from '@ohos.faultLogger'
+import { BusinessError } from '@ohos.base'
+
+function queryFaultLogCallback(error: BusinessError, value: Array<faultLogger.FaultLogInfo>) {
     if (error) {
         console.info('error is ' + error);
     } else {
         console.info("value length is " + value.length);
-        let len = value.length;
+        let len: number = value.length;
         for (let i = 0; i < len; i++) {
             console.info("log: " + i);
             console.info("Log pid: " + value[i].pid);
@@ -217,12 +226,14 @@ querySelfFaultLog(faultType: FaultType) : Promise&lt;Array&lt;FaultLogInfo&gt;&g
 
 **示例：**
 
-```js
+```ts
+import faultLogger from '@ohos.faultLogger'
+
 async function getLog() {
-    let value = await faultLogger.querySelfFaultLog(faultLogger.FaultType.JS_CRASH);
+    let value: Array<faultLogger.FaultLogInfo> = await faultLogger.querySelfFaultLog(faultLogger.FaultType.JS_CRASH);
     if (value) {
         console.info("value length is " + value.length);
-        let len = value.length;
+        let len: number = value.length;
         for (let i = 0; i < len; i++) {
             console.info("log: " + i);
             console.info("Log pid: " + value[i].pid);
diff --git a/zh-cn/application-dev/reference/apis/js-apis-file-picker.md b/zh-cn/application-dev/reference/apis/js-apis-file-picker.md
index f20607c4bd9753be53a7e1c3e1751aee18d63245..61fcdf286d7e4f33d3a5181d1a1b683e1258aa0e 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-file-picker.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-file-picker.md
@@ -8,13 +8,8 @@
 
 ## 导入模块
 
-> **说明：**
->
-> 示例代码里有使用BusinessError的都需要导入BusinessError模块，没有的话则不需要导入。
-
 ```ts
 import picker from '@ohos.file.picker';
-import { BusinessError } from '@ohos.base';
 ```
 
 ## PhotoViewPicker
@@ -52,6 +47,7 @@ select(option?: PhotoSelectOptions) : Promise&lt;PhotoSelectResult&gt;
 **示例：**
 
 ```ts
+import { BusinessError } from '@ohos.base';
 async function example01() {
   try {  
     let PhotoSelectOptions = new picker.PhotoSelectOptions();
@@ -88,6 +84,7 @@ select(option: PhotoSelectOptions, callback: AsyncCallback&lt;PhotoSelectResult&
 **示例：**
 
 ```ts
+import { BusinessError } from '@ohos.base';
 async function example02() {
   try {
     let PhotoSelectOptions = new picker.PhotoSelectOptions();
@@ -125,6 +122,7 @@ select(callback: AsyncCallback&lt;PhotoSelectResult&gt;) : void
 **示例：**
 
 ```ts
+import { BusinessError } from '@ohos.base';
 async function example03() {
   try {
     let photoPicker = new picker.PhotoViewPicker();
@@ -165,6 +163,7 @@ save(option?: PhotoSaveOptions) : Promise&lt;Array&lt;string&gt;&gt;
 **示例：**
 
 ```ts
+import { BusinessError } from '@ohos.base';
 async function example04() {
   try {
     let PhotoSaveOptions = new picker.PhotoSaveOptions();
@@ -200,6 +199,7 @@ save(option: PhotoSaveOptions, callback: AsyncCallback&lt;Array&lt;string&gt;&gt
 **示例：**
 
 ```ts
+import { BusinessError } from '@ohos.base';
 async function example05() {
   try {
     let PhotoSaveOptions = new picker.PhotoSaveOptions();
@@ -236,6 +236,7 @@ save(callback: AsyncCallback&lt;Array&lt;string&gt;&gt;) : void
 **示例：**
 
 ```ts
+import { BusinessError } from '@ohos.base';
 async function example06() {
   try {
     let photoPicker = new picker.PhotoViewPicker();
@@ -288,6 +289,7 @@ select(option?: DocumentSelectOptions) : Promise&lt;Array&lt;string&gt;&gt;
 **示例：**
 
 ```ts
+import { BusinessError } from '@ohos.base';
 async function example07() {
   try {
     let DocumentSelectOptions = new picker.DocumentSelectOptions();
@@ -322,6 +324,7 @@ select(option: DocumentSelectOptions, callback: AsyncCallback&lt;Array&lt;string
 **示例：**
 
 ```ts
+import { BusinessError } from '@ohos.base';
 async function example08() {
   try {
     let DocumentSelectOptions = new picker.DocumentSelectOptions();
@@ -357,6 +360,7 @@ select(callback: AsyncCallback&lt;Array&lt;string&gt;&gt;) : void
 **示例：**
 
 ```ts
+import { BusinessError } from '@ohos.base';
 async function example09() {
   try {
     let documentPicker = new picker.DocumentViewPicker();
@@ -398,6 +402,7 @@ save(option?: DocumentSaveOptions) : Promise&lt;Array&lt;string&gt;&gt;
 **示例：**
 
 ```ts
+import { BusinessError } from '@ohos.base';
 async function example10() {
   try {
     let DocumentSaveOptions = new picker.DocumentSaveOptions();
@@ -433,6 +438,7 @@ save(option: DocumentSaveOptions, callback: AsyncCallback&lt;Array&lt;string&gt;
 **示例：**
 
 ```ts
+import { BusinessError } from '@ohos.base';
 async function example11() {
   try {
     let DocumentSaveOptions = new picker.DocumentSaveOptions();
@@ -469,6 +475,7 @@ save(callback: AsyncCallback&lt;Array&lt;string&gt;&gt;) : void
 **示例：**
 
 ```ts
+import { BusinessError } from '@ohos.base';
 async function example12() {
   try {
     let documentPicker = new picker.DocumentViewPicker();
@@ -521,6 +528,7 @@ select(option?: AudioSelectOptions) : Promise&lt;Array&lt;string&gt;&gt;
 **示例：**
 
 ```ts
+import { BusinessError } from '@ohos.base';
 async function example13() {
   try {
     let AudioSelectOptions = new picker.AudioSelectOptions();
@@ -555,6 +563,7 @@ select(option: AudioSelectOptions, callback: AsyncCallback&lt;Array&lt;string&gt
 **示例：**
 
 ```ts
+import { BusinessError } from '@ohos.base';
 async function example14() {
   try {
     let AudioSelectOptions = new picker.AudioSelectOptions();
@@ -590,6 +599,7 @@ select(callback: AsyncCallback&lt;Array&lt;string&gt;&gt;) : void
 **示例：**
 
 ```ts
+import { BusinessError } from '@ohos.base';
 async function example15() {
   try {
     let audioPicker = new picker.AudioViewPicker();
@@ -630,6 +640,7 @@ save(option?: AudioSaveOptions) : Promise&lt;Array&lt;string&gt;&gt;
 **示例：**
 
 ```ts
+import { BusinessError } from '@ohos.base';
 async function example16() {
   try {
     let AudioSaveOptions = new picker.AudioSaveOptions();
@@ -665,6 +676,7 @@ save(option: AudioSaveOptions, callback: AsyncCallback&lt;Array&lt;string&gt;&gt
 **示例：**
 
 ```ts
+import { BusinessError } from '@ohos.base';
 async function example17() {
   try {
     let AudioSaveOptions = new picker.AudioSaveOptions();
@@ -701,6 +713,7 @@ save(callback: AsyncCallback&lt;Array&lt;string&gt;&gt;) : void
 **示例：**
 
 ```ts
+import { BusinessError } from '@ohos.base';
 async function example18() {
   try {
     let audioPicker = new picker.AudioViewPicker();
diff --git a/zh-cn/application-dev/reference/apis/js-apis-fileAccess.md b/zh-cn/application-dev/reference/apis/js-apis-fileAccess.md
index 2106446537080299e28d36faa32cd12b99b3d273..2d23a9dd2d7e67c80a0b6070da5039c8510bebfe 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-fileAccess.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-fileAccess.md
@@ -1764,7 +1764,7 @@ try {
 
 ### unregisterObserver<sup>10+</sup>
 
- unregisterObserver(uri: string, callback: Callback&lt;NotifyMessage&gt;): void
+ unregisterObserver(uri: string, callback?: Callback&lt;NotifyMessage&gt;): void
 
 取消注册指定的uri和callback。
 
@@ -1777,7 +1777,7 @@ try {
 | 参数名   | 类型                                              | 必填 | 说明                      |
 | -------- | ------------------------------------------------- | ---- | ------------------------- |
 | uri      | string                                            | 是   | 文件或目录的uri           |
-| callback | Callback&lt;[NotifyMessage](#notifymessage10)&gt; | 是   | 解注册uri下对应的callback |
+| callback | Callback&lt;[NotifyMessage](#notifymessage10)&gt; | 否   | 解注册uri下对应的callback。如果该参数不填，则解注册对应的所有callbackback |
 
 **示例1: 解注册监听uri的一个callback**
 
@@ -1829,23 +1829,7 @@ try {
 }
 ```
 
-### unregisterObserver<sup>10+</sup>
-
- unregisterObserver(uri: string): void
-
-取消注册指定的uri对应的所有callback。
-
-**系统能力**：SystemCapability.FileManagement.UserFileService
-
-**需要权限**：ohos.permission.FILE_ACCESS_MANAGER
-
-**参数：**
-
-| 参数名 | 类型   | 必填 | 说明            |
-| ------ | ------ | ---- | --------------- |
-| uri    | string | 是   | 文件或目录的uri |
-
-**示例1：解注册监听uri的所有callback**
+**示例3：解注册监听uri的所有callback**
 
 ```js
 let DirUri = 'file://docs/storage/Users/currentUser/Documents';
@@ -1936,8 +1920,6 @@ try {
 
 **系统能力**：SystemCapability.FileManagement.UserFileService
 
-**需要权限**：ohos.permission.FILE_ACCESS_MANAGER
-
 | 名称              | 值   | 说明                                                         |
 | ----------------- | ---- | ------------------------------------------------------------ |
 | NOTIFY_ADD        | 0    | 表示新增文件（详见registerObserver接口的示例2、示例3）                                                 |
diff --git a/zh-cn/application-dev/reference/apis/js-apis-geoLocationManager.md b/zh-cn/application-dev/reference/apis/js-apis-geoLocationManager.md
index 538f9c9c2db1e3cc45a2db1e0c982994460b84e3..398738d8a0b7eeda5e8ea8ee176ad6f6bbc38bec 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-geoLocationManager.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-geoLocationManager.md
@@ -568,7 +568,7 @@ off(type: 'locationEnabledChange', callback?: Callback&lt;boolean&gt;): void;
 
 on(type: 'cachedGnssLocationsChange', request: CachedGnssLocationsRequest, callback: Callback&lt;Array&lt;Location&gt;&gt;): void;
 
-订阅缓存GNSS定位结果上报事件。
+订阅缓存GNSS定位结果上报事件。该接口功能由gnss定位芯片提供（仅部分型号支持），如果设备无此芯片或使用的芯片型号不支持该功能，则返回错误码801（Capability not supported）。
 
 **需要权限**：ohos.permission.APPROXIMATELY_LOCATION
 
@@ -613,7 +613,7 @@ on(type: 'cachedGnssLocationsChange', request: CachedGnssLocationsRequest, callb
 
 off(type: 'cachedGnssLocationsChange', callback?: Callback&lt;Array&lt;Location&gt;&gt;): void;
 
-取消订阅缓存GNSS定位结果上报事件。
+取消订阅缓存GNSS定位结果上报事件。该接口功能由gnss定位芯片提供（仅部分型号支持），如果设备无此芯片或使用的芯片型号不支持该功能，则返回错误码801（Capability not supported）。
 
 **需要权限**：ohos.permission.APPROXIMATELY_LOCATION
 
@@ -834,7 +834,7 @@ off(type: 'nmeaMessage', callback?: Callback&lt;string&gt;): void;
 
 on(type: 'gnssFenceStatusChange', request: GeofenceRequest, want: WantAgent): void;
 
-添加一个围栏，并订阅地理围栏事件。
+添加一个围栏，并订阅地理围栏事件。该接口功能由gnss定位芯片提供（仅部分型号支持），如果设备无此芯片或使用的芯片型号不支持该功能，则返回错误码801（Capability not supported）。
 
 **需要权限**：ohos.permission.APPROXIMATELY_LOCATION
 
@@ -893,7 +893,7 @@ on(type: 'gnssFenceStatusChange', request: GeofenceRequest, want: WantAgent): vo
 
 off(type: 'gnssFenceStatusChange', request: GeofenceRequest, want: WantAgent): void;
 
-删除一个围栏，并取消订阅该围栏事件。
+删除一个围栏，并取消订阅该围栏事件。该接口功能由gnss定位芯片提供（仅部分型号支持），如果设备无此芯片或使用的芯片型号不支持该功能，则返回错误码801（Capability not supported）。
 
 **需要权限**：ohos.permission.APPROXIMATELY_LOCATION
 
@@ -1683,7 +1683,7 @@ isGeocoderAvailable(): boolean;
 
 getCachedGnssLocationsSize(callback: AsyncCallback&lt;number&gt;): void;
 
-获取GNSS芯片缓存位置的个数。
+获取GNSS芯片缓存位置的个数。该接口功能由gnss定位芯片提供（仅部分型号支持），如果设备无此芯片或使用的芯片型号不支持该功能，则返回错误码801（Capability not supported）。
 
 **需要权限**：ohos.permission.APPROXIMATELY_LOCATION
 
@@ -1728,7 +1728,7 @@ getCachedGnssLocationsSize(callback: AsyncCallback&lt;number&gt;): void;
 
 getCachedGnssLocationsSize(): Promise&lt;number&gt;;
 
-获取GNSS芯片缓存位置的个数。
+获取GNSS芯片缓存位置的个数。该接口功能由gnss定位芯片提供（仅部分型号支持），如果设备无此芯片或使用的芯片型号不支持该功能，则返回错误码801（Capability not supported）。
 
 **需要权限**：ohos.permission.APPROXIMATELY_LOCATION
 
@@ -1771,7 +1771,7 @@ getCachedGnssLocationsSize(): Promise&lt;number&gt;;
 
 flushCachedGnssLocations(callback: AsyncCallback&lt;void&gt;): void;
 
-读取并清空GNSS芯片所有缓存位置。
+读取并清空GNSS芯片所有缓存位置。该接口功能由gnss定位芯片提供（仅部分型号支持），如果设备无此芯片或使用的芯片型号不支持该功能，则返回错误码801（Capability not supported）。
 
 **需要权限**：ohos.permission.APPROXIMATELY_LOCATION
 
@@ -1814,7 +1814,7 @@ flushCachedGnssLocations(callback: AsyncCallback&lt;void&gt;): void;
 
 flushCachedGnssLocations(): Promise&lt;void&gt;;
 
-读取并清空GNSS芯片所有缓存位置。
+读取并清空GNSS芯片所有缓存位置。该接口功能由gnss定位芯片提供（仅部分型号支持），如果设备无此芯片或使用的芯片型号不支持该功能，则返回错误码801（Capability not supported）。
 
 **需要权限**：ohos.permission.APPROXIMATELY_LOCATION
 
diff --git a/zh-cn/application-dev/reference/apis/js-apis-hiappevent.md b/zh-cn/application-dev/reference/apis/js-apis-hiappevent.md
index b76fa9caf301084b6e13bdc679811b3280498ee9..9dccf40f78835b87ba82206f81487272591987fa 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-hiappevent.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-hiappevent.md
@@ -10,7 +10,7 @@
 
 ## 导入模块
 
-```js
+```ts
 import hiAppEvent from '@ohos.hiAppEvent';
 ```
 
@@ -64,16 +64,21 @@ write(eventName: string, eventType: EventType, keyValues: object, callback: Asyn
 
 **示例：**
 
-```js
-hiAppEvent.write("test_event", hiAppEvent.EventType.FAULT, {"int_data":100, "str_data":"strValue"}, (err, value) => {
-    if (err) {
-        // 事件写入异常：事件存在异常参数时忽略异常参数后继续写入，或者事件校验失败时不执行写入
-        console.error(`failed to write event because ${err.code}`);
-        return;
-    }
-
-    // 事件写入正常
-    console.log(`success to write event: ${value}`);
+```ts
+import { BusinessError } from 'ohos.base'
+
+let eventParams: Record<string, number | string> = {
+  "int_data": 100,
+  "str_data": "strValue",
+};
+hiAppEvent.write("test_event", hiAppEvent.EventType.FAULT, eventParams, (err: BusinessError) => {
+  if (err) {
+    // 事件写入异常：事件存在异常参数时忽略异常参数后继续写入，或者事件校验失败时不执行写入
+    console.error(`failed to write event, code=${err.code}`);
+    return;
+  }
+  // 事件写入正常
+  console.log(`success to write event`);
 });
 ```
 
@@ -102,15 +107,20 @@ write(eventName: string, eventType: EventType, keyValues: object): Promise&lt;vo
 
 **示例：**
 
-```js
-hiAppEvent.write("test_event", hiAppEvent.EventType.FAULT, {"int_data":100, "str_data":"strValue"})
-    .then((value) => {
-        // 事件写入正常
-        console.log(`success to write event: ${value}`);
-    }).catch((err) => {
-        // 事件写入异常：事件存在异常参数时忽略异常参数后继续写入，或者事件校验失败时不执行写入
-        console.error(`failed to write event because ${err.code}`);
-    });
+```ts
+import { BusinessError } from 'ohos.base'
+
+let eventParams: Record<string, number | string> = {
+  "int_data": 100,
+  "str_data": "strValue",
+};
+hiAppEvent.write("test_event", hiAppEvent.EventType.FAULT, eventParams).then(() => {
+  // 事件写入正常
+  console.log(`success to write event`);
+}).catch((err: BusinessError) => {
+  // 事件写入异常：事件存在异常参数时忽略异常参数后继续写入，或者事件校验失败时不执行写入
+  console.error(`failed to write event, code=${err.code}`);
+});
 ```
 
 ## hiAppEvent.configure
@@ -135,16 +145,18 @@ configure(config: ConfigOption): boolean
 
 **示例：**
 
-```js
+```ts
 // 配置应用事件打点功能开关
-hiAppEvent.configure({
-    disable: true
-});
+let config1: hiAppEvent.ConfigOption = {
+  disable: true,
+};
+hiAppEvent.configure(config1);
 
 // 配置事件文件目录存储限额大小
-hiAppEvent.configure({
-    maxStorage: '100M'
-});
+let config2: hiAppEvent.ConfigOption = {
+  maxStorage: '100M',
+};
+hiAppEvent.configure(config2);
 ```
 
 ## ConfigOption
diff --git a/zh-cn/application-dev/reference/apis/js-apis-hichecker.md b/zh-cn/application-dev/reference/apis/js-apis-hichecker.md
index 74cd7a0da311b6683b10fdb273047b376374cc71..b8a00c04cf676825d5968144ad7bd88149425e12 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-hichecker.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-hichecker.md
@@ -9,7 +9,7 @@ HiChecker可以作为应用开发阶段使用的检测工具，用于检测代
 
 ## 导入模块
 
-```js
+```ts
 import hichecker from '@ohos.hichecker';
 ```
 
@@ -43,7 +43,9 @@ addCheckRule(rule: bigint): void
 
 **示例：**
 
-```js
+```ts
+import { BusinessError } from '@ohos.base';
+
 try {
     // 添加一条规则
     hichecker.addCheckRule(hichecker.RULE_CAUTION_PRINT_LOG);
@@ -51,7 +53,7 @@ try {
     // hichecker.addCheckRule(
     //     hichecker.RULE_CAUTION_PRINT_LOG | hichecker.RULE_CAUTION_TRIGGER_CRASH);
 } catch (err) {
-    console.error(`code: ${err.code}, message: ${err.message}`);
+    console.error(`code: ${(err as BusinessError).code}, message: ${(err as BusinessError).message}`);
 }
 ```
 
@@ -71,7 +73,9 @@ removeCheckRule(rule: bigint): void
 
 **示例：**
 
-```js
+```ts
+import { BusinessError } from '@ohos.base'
+
 try {
     // 删除一条规则
     hichecker.removeCheckRule(hichecker.RULE_CAUTION_PRINT_LOG);
@@ -79,7 +83,7 @@ try {
     // hichecker.removeCheckRule(
     //     hichecker.RULE_CAUTION_PRINT_LOG | hichecker.RULE_CAUTION_TRIGGER_CRASH);
 } catch (err) {
-    console.error(`code: ${err.code}, message: ${err.message}`);
+    console.error(`code: ${(err as BusinessError).code}, message: ${(err as BusinessError).message}`);
 }
 ```
 
@@ -105,7 +109,9 @@ containsCheckRule(rule: bigint): boolean
 
 **示例：**
 
-```js
+```ts
+import { BusinessError } from '@ohos.base'
+
 try {
     // 添加一条规则
     hichecker.addCheckRule(hichecker.RULE_THREAD_CHECK_SLOW_PROCESS);
@@ -114,7 +120,7 @@ try {
     hichecker.containsCheckRule(hichecker.RULE_THREAD_CHECK_SLOW_PROCESS); // return true;
     hichecker.containsCheckRule(hichecker.RULE_CAUTION_PRINT_LOG); // return false;
 } catch (err) {
-    console.error(`code: ${err.code}, message: ${err.message}`);
+    console.error(`code: ${(err as BusinessError).code}, message: ${(err as BusinessError).message}`);
 }
 ```
 
@@ -138,7 +144,7 @@ addRule(rule: bigint): void
 
 **示例：**
 
-```js
+```ts
 // 添加一条规则
 hichecker.addRule(hichecker.RULE_CAUTION_PRINT_LOG);
 
@@ -167,7 +173,7 @@ removeRule(rule: bigint): void
 
 **示例：**
 
-```js
+```ts
 // 删除一条规则
 hichecker.removeRule(hichecker.RULE_CAUTION_PRINT_LOG);
 
@@ -192,7 +198,7 @@ getRule(): bigint
 
 **示例：**
 
-```js
+```ts
 // 添加一条规则
 hichecker.addRule(hichecker.RULE_THREAD_CHECK_SLOW_PROCESS);
 
@@ -226,11 +232,11 @@ contains(rule: bigint): boolean
 
 **示例：**
 
-```js
+```ts
 // 添加一条规则
 hichecker.addRule(hichecker.RULE_THREAD_CHECK_SLOW_PROCESS);
 
 // 查询是否包含
 hichecker.contains(hichecker.RULE_THREAD_CHECK_SLOW_PROCESS); // return true;
 hichecker.contains(hichecker.RULE_CAUTION_PRINT_LOG); // return false;
-```
\ No newline at end of file
+```
diff --git a/zh-cn/application-dev/reference/apis/js-apis-hidebug.md b/zh-cn/application-dev/reference/apis/js-apis-hidebug.md
index beda73a15b7392155a2c505a5680bfc77ffa21b2..1b2b160787f0cf70bbbaff1690de398fc96b5d99 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-hidebug.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-hidebug.md
@@ -8,7 +8,7 @@
 
 ## 导入模块
 
-```js
+```ts
 import hidebug from '@ohos.hidebug';
 ```
 
@@ -28,8 +28,8 @@ getNativeHeapSize(): bigint
 | bigint | 返回本应用堆内存总大小，单位为kB。 |
 
 **示例：**
-  ```js
-  let nativeHeapSize = hidebug.getNativeHeapSize();
+  ```ts
+  let nativeHeapSize: bigint = hidebug.getNativeHeapSize();
   ```
 
 ## hidebug.getNativeHeapAllocatedSize
@@ -48,8 +48,8 @@ getNativeHeapAllocatedSize(): bigint
 
 
 **示例：**
-  ```js
-  let nativeHeapAllocatedSize = hidebug.getNativeHeapAllocatedSize();
+  ```ts
+  let nativeHeapAllocatedSize: bigint = hidebug.getNativeHeapAllocatedSize();
   ```
 
 ## hidebug.getNativeHeapFreeSize
@@ -67,8 +67,8 @@ getNativeHeapFreeSize(): bigint
 | bigint | 返回本应用堆内存的空闲内存，单位为kB。 |
 
 **示例：**
-  ```js
-  let nativeHeapFreeSize = hidebug.getNativeHeapFreeSize();
+  ```ts
+  let nativeHeapFreeSize: bigint = hidebug.getNativeHeapFreeSize();
   ```
 
 ## hidebug.getPss
@@ -86,8 +86,8 @@ getPss(): bigint
 | bigint | 返回应用进程实际使用的物理内存大小，单位为kB。 |
 
 **示例：**
-  ```js
-  let pss = hidebug.getPss();
+  ```ts
+  let pss: bigint = hidebug.getPss();
   ```
 
 ## hidebug.getSharedDirty
@@ -106,8 +106,8 @@ getSharedDirty(): bigint
 
 
 **示例：**
-  ```js
-  let sharedDirty = hidebug.getSharedDirty();
+  ```ts
+  let sharedDirty: bigint = hidebug.getSharedDirty();
   ```
 
 ## hidebug.getPrivateDirty<sup>9+<sup>
@@ -125,8 +125,8 @@ getPrivateDirty(): bigint
 | bigint | 返回进程的私有脏内存大小，单位为kB。 |
 
 **示例：**
-  ```js
-  let privateDirty = hidebug.getPrivateDirty();
+  ```ts
+  let privateDirty: bigint = hidebug.getPrivateDirty();
   ```
 
 ## hidebug.getCpuUsage<sup>9+<sup>
@@ -147,8 +147,8 @@ getCpuUsage(): number
 
 
 **示例：**
-  ```js
-  let cpuUsage = hidebug.getCpuUsage();
+  ```ts
+  let cpuUsage: number = hidebug.getCpuUsage();
   ```
 
 ## hidebug.getServiceDump<sup>9+<sup>
@@ -172,31 +172,34 @@ getServiceDump(serviceid : number, fd : number, args : Array\<string>) : void
 
 **示例：**
 
-```js
+```ts
 import fs from '@ohos.file.fs'
 import hidebug from '@ohos.hidebug'
 import common from '@ohos.app.ability.common'
+import { BusinessError } from '@ohos.base'
 
-let applicationContext: common.Context;
+let applicationContext: common.Context | null = null;
 try {
   applicationContext = this.context.getApplicationContext();
 } catch (error) {
-  console.info(error.code);
-  console.info(error.message);
+  console.info((error as BusinessError).code);
+  console.info((error as BusinessError).message);
 }
 
-var filesDir = applicationContext.filesDir;
-var path = filesDir + "/serviceInfo.txt";
+if (applicationContext) {
+  let filesDir: string = applicationContext.filesDir;
+}
+let path: string = filesDir + "/serviceInfo.txt";
 console.info("output path: " + path);
-let file = fs.openSync(path, fs.OpenMode.READ_WRITE | fs.OpenMode.CREATE);
-var serviceId = 10;
-var args = new Array("allInfo");
+let file: file.fs = fs.openSync(path, fs.OpenMode.READ_WRITE | fs.OpenMode.CREATE);
+let serviceId: number = 10;
+let args: Array = new Array("allInfo");
 
 try {
   hidebug.getServiceDump(serviceId, file.fd, args);
 } catch (error) {
-  console.info(error.code);
-  console.info(error.message);
+  console.info((error as BusinessError).code);
+  console.info((error as BusinessError).message);
 }
 fs.closeSync(file);
 ```
@@ -217,16 +220,17 @@ startJsCpuProfiling(filename : string) : void
 
 **示例：**
 
-```js
+```ts
 import hidebug from '@ohos.hidebug'
+import { BusinessError } from '@ohos.base'
 
 try {
   hidebug.startJsCpuProfiling("cpu_profiling");
   // ...
   hidebug.stopJsCpuProfiling();
 } catch (error) {
-  console.info(error.code)
-  console.info(error.message)
+  console.info((error as BusinessError).code)
+  console.info((error as BusinessError).message)
 }
 ```
 
@@ -246,16 +250,17 @@ stopJsCpuProfiling() : void
 
 **示例：**
 
-```js
+```ts
 import hidebug from '@ohos.hidebug'
+import { BusinessError } from '@ohos.base'
 
 try {
   hidebug.startJsCpuProfiling("cpu_profiling");
   // ...
   hidebug.stopJsCpuProfiling();
 } catch (error) {
-  console.info(error.code)
-  console.info(error.message)
+  console.info((error as BusinessError).code)
+  console.info((error as BusinessError).message)
 }
 ```
 
@@ -275,14 +280,15 @@ dumpJsHeapData(filename : string) : void
 
 **示例：**
 
-```js
+```ts
 import hidebug from '@ohos.hidebug'
+import { BusinessError } from '@ohos.base'
 
 try {
   hidebug.dumpJsHeapData("heapData");
 } catch (error) {
-  console.info(error.code)
-  console.info(error.message)
+  console.info((error as BusinessError).code)
+  console.info((error as BusinessError).message)
 }
 ```
 
@@ -304,7 +310,7 @@ startProfiling(filename : string) : void
 
 **示例：**
 
-```js
+```ts
 hidebug.startProfiling("cpuprofiler-20220216");
 // code block
 // ...
@@ -324,7 +330,7 @@ stopProfiling() : void
 
 **示例：**
 
-```js
+```ts
 hidebug.startProfiling("cpuprofiler-20220216");
 // code block
 // ...
@@ -350,6 +356,6 @@ dumpHeapData(filename : string) : void
 
 **示例：**
 
-```js
+```ts
 hidebug.dumpHeapData("heap-20220216");
 ```
diff --git a/zh-cn/application-dev/reference/apis/js-apis-hiviewdfx-hiappevent.md b/zh-cn/application-dev/reference/apis/js-apis-hiviewdfx-hiappevent.md
index 2522ea4884f404ddf3c23f9e2e9d41564e3d0e6a..bc8e7f566797f88bbaaedc1bf60cdb1f4d577683 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-hiviewdfx-hiappevent.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-hiviewdfx-hiappevent.md
@@ -9,7 +9,7 @@
 
 ## 导入模块
 
-```js
+```ts
 import hiAppEvent from '@ohos.hiviewdfx.hiAppEvent';
 ```
 
@@ -44,21 +44,24 @@ write(info: [AppEventInfo](#appeventinfo), callback: AsyncCallback&lt;void&gt;):
 
 **示例：**
 
-```js
+```ts
+import { BusinessError } from 'ohos.base';
+
+let eventParams: Record<string, number | string> = {
+  "int_data": 100,
+  "str_data": "strValue",
+};
 hiAppEvent.write({
-    domain: "test_domain",
-    name: "test_event",
-    eventType: hiAppEvent.EventType.FAULT,
-    params: {
-        int_data: 100,
-        str_data: "strValue"
-    }
-}, (err) => {
-    if (err) {
-        console.error(`code: ${err.code}, message: ${err.message}`);
-        return;
-    }
-    console.log(`success to write event`);
+  domain: "test_domain",
+  name: "test_event",
+  eventType: hiAppEvent.EventType.FAULT,
+  params: eventParams,
+}, (err: BusinessError) => {
+  if (err) {
+    console.error(`code: ${err.code}, message: ${err.message}`);
+    return;
+  }
+  console.log(`success to write event`);
 });
 ```
 
@@ -98,19 +101,22 @@ write(info: [AppEventInfo](#appeventinfo)): Promise&lt;void&gt;
 
 **示例：**
 
-```js
+```ts
+import { BusinessError } from 'ohos.base';
+
+let eventParams: Record<string, number | string> = {
+  "int_data": 100,
+  "str_data": "strValue",
+};
 hiAppEvent.write({
-    domain: "test_domain",
-    name: "test_event",
-    eventType: hiAppEvent.EventType.FAULT,
-    params: {
-        int_data: 100,
-        str_data: "strValue"
-    }
+  domain: "test_domain",
+  name: "test_event",
+  eventType: hiAppEvent.EventType.FAULT,
+  params: eventParams,
 }).then(() => {
-    console.log(`success to write event`);
-}).catch((err) => {
-    console.error(`code: ${err.code}, message: ${err.message}`);
+  console.log(`success to write event`);
+}).catch((err: BusinessError) => {
+  console.error(`code: ${err.code}, message: ${err.message}`);
 });
 ```
 
@@ -151,16 +157,18 @@ configure(config: [ConfigOption](configoption)): void
 
 **示例：**
 
-```js
+```ts
 // 配置打点开关为关闭状态
-hiAppEvent.configure({
-    disable: true
-});
+let config1: hiAppEvent.ConfigOption = {
+  disable: true,
+};
+hiAppEvent.configure(config1);
 
 // 配置文件目录存储配额为100M
-hiAppEvent.configure({
-    maxStorage: '100M'
-});
+let config2: hiAppEvent.ConfigOption = {
+  maxStorage: '100M',
+};
+hiAppEvent.configure(config2);
 ```
 
 ## ConfigOption
@@ -208,52 +216,53 @@ addWatcher(watcher: [Watcher](#watcher)): [AppEventPackageHolder](#appeventpacka
 
 **示例：**
 
-```js
+```ts
 // 1. 如果观察者传入了回调的相关参数，则可以选择在自动触发的回调函数中对订阅事件进行处理
 hiAppEvent.addWatcher({
-    name: "watcher1",
-    appEventFilters: [
-        {
-            domain: "test_domain",
-            eventTypes: [hiAppEvent.EventType.FAULT, hiAppEvent.EventType.BEHAVIOR]
-        }
-    ],
-    triggerCondition: {
-        row: 10,
-        size: 1000,
-        timeOut: 1
-    },
-    onTrigger: function (curRow, curSize, holder) {
-        if (holder == null) {
-            console.error("holder is null");
-            return;
-        }
-        let eventPkg = null;
-        while ((eventPkg = holder.takeNext()) != null) {
-            console.info(`eventPkg.packageId=${eventPkg.packageId}`);
-            console.info(`eventPkg.row=${eventPkg.row}`);
-            console.info(`eventPkg.size=${eventPkg.size}`);
-            for (const eventInfo of eventPkg.data) {
-                console.info(`eventPkg.data=${eventInfo}`);
-            }
-        }
+  name: "watcher1",
+  appEventFilters: [
+    {
+      domain: "test_domain",
+      eventTypes: [hiAppEvent.EventType.FAULT, hiAppEvent.EventType.BEHAVIOR]
+    }
+  ],
+  triggerCondition: {
+    row: 10,
+    size: 1000,
+    timeOut: 1
+  },
+  onTrigger: (curRow: number, curSize: number, holder: hiAppEvent.AppEventPackageHolder) => {
+    if (holder == null) {
+      console.error("holder is null");
+      return;
     }
+    console.info(`curRow=${curRow}, curSize=${curSize}`);
+    let eventPkg: hiAppEvent.AppEventPackage | null = null;
+    while ((eventPkg = holder.takeNext()) != null) {
+      console.info(`eventPkg.packageId=${eventPkg.packageId}`);
+      console.info(`eventPkg.row=${eventPkg.row}`);
+      console.info(`eventPkg.size=${eventPkg.size}`);
+      for (const eventInfo of eventPkg.data) {
+        console.info(`eventPkg.data=${eventInfo}`);
+      }
+    }
+  }
 });
 
 // 2. 如果观察者未传入回调的相关参数，则可以选择使用返回的holder对象手动去处理订阅事件
 let holder = hiAppEvent.addWatcher({
-    name: "watcher2",
+  name: "watcher2",
 });
 if (holder != null) {
-    let eventPkg = null;
-    while ((eventPkg = holder.takeNext()) != null) {
-        console.info(`eventPkg.packageId=${eventPkg.packageId}`);
-        console.info(`eventPkg.row=${eventPkg.row}`);
-        console.info(`eventPkg.size=${eventPkg.size}`);
-        for (const eventInfo of eventPkg.data) {
-            console.info(`eventPkg.data=${eventInfo}`);
-        }
+  let eventPkg: hiAppEvent.AppEventPackage | null = null;
+  while ((eventPkg = holder.takeNext()) != null) {
+    console.info(`eventPkg.packageId=${eventPkg.packageId}`);
+    console.info(`eventPkg.row=${eventPkg.row}`);
+    console.info(`eventPkg.size=${eventPkg.size}`);
+    for (const eventInfo of eventPkg.data) {
+      console.info(`eventPkg.data=${eventInfo}`);
     }
+  }
 }
 ```
 
@@ -281,10 +290,10 @@ removeWatcher(watcher: [Watcher](#watcher)): void
 
 **示例：**
 
-```js
+```ts
 // 1. 定义一个应用事件观察者
-let watcher = {
-    name: "watcher1",
+let watcher: hiAppEvent.Watcher = {
+  name: "watcher1",
 }
 
 // 2. 添加一个应用事件观察者来订阅事件
@@ -352,9 +361,9 @@ constructor(watcherName: string)
 
 **示例：**
 
-```js
-let holder = hiAppEvent.addWatcher({
-    name: "watcher",
+```ts
+let holder1 = hiAppEvent.addWatcher({
+    name: "watcher1",
 });
 ```
 
@@ -382,11 +391,11 @@ setSize(size: number): void
 
 **示例：**
 
-```js
-let holder = hiAppEvent.addWatcher({
-    name: "watcher",
+```ts
+let holder2 = hiAppEvent.addWatcher({
+    name: "watcher2",
 });
-holder.setSize(1000);
+holder2.setSize(1000);
 ```
 
 ### takeNext
@@ -399,11 +408,11 @@ takeNext(): [AppEventPackage](#appeventpackage)
 
 **示例：**
 
-```js
-let holder = hiAppEvent.addWatcher({
-    name: "watcher",
+```ts
+let holder3 = hiAppEvent.addWatcher({
+    name: "watcher3",
 });
-let eventPkg = holder.takeNext();
+let eventPkg = holder3.takeNext();
 ```
 
 ## AppEventPackage
@@ -429,7 +438,7 @@ clearData(): void
 
 **示例：**
 
-```js
+```ts
 hiAppEvent.clearData();
 ```
 
diff --git a/zh-cn/application-dev/reference/apis/js-apis-image.md b/zh-cn/application-dev/reference/apis/js-apis-image.md
index 5c154c91cf367704d8f501fde27b6e371b984520..fab119b1fe0cecfeacbb05a7d7e9019a0ea68fd3 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-image.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-image.md
@@ -66,6 +66,7 @@ createPixelMap(colors: ArrayBuffer, options: InitializationOptions, callback: As
 **示例：**
 
 ```ts
+import {BusinessError} from '@ohos.base'
 const color : ArrayBuffer = new ArrayBuffer(96);  //96为需要创建的像素buffer大小，取值为：height * width *4
 let bufferArr : Uint8Array = new Uint8Array(color);
 let opts : image.InitializationOptions = { editable: true, pixelFormat: 3, size: { height: 4, width: 6 } }
@@ -860,7 +861,7 @@ crop(region: Region, callback: AsyncCallback\<void>): void
 
 ```ts
 async function Demo() {
-	await pixelmap.crop({ x: 0, y: 0, size: { height: 100, width: 100 } });
+	await pixelmap.crop({ x: 0, y: 0, size: { height: 100, width: 100 } } as image.Region);
 }
 ```
 
@@ -888,7 +889,7 @@ crop(region: Region): Promise\<void>
 
 ```ts
 async function Demo() {
-	await pixelmap.crop({ x: 0, y: 0, size: { height: 100, width: 100 } });
+	await pixelmap.crop({ x: 0, y: 0, size: { height: 100, width: 100 } } as image.Region);
 }
 ```
 
@@ -987,7 +988,7 @@ marshalling(sequence: rpc.MessageSequence): void
 ```ts
 import image from '@ohos.multimedia.image'
 import rpc from '@ohos.rpc'
-class MySequence {
+class MySequence implements rpc.Parcelable {
     pixel_map;
     constructor(pixelmap : image.PixelMap) {
         this.pixel_map = pixelmap;
@@ -996,7 +997,7 @@ class MySequence {
         this.pixel_map.marshalling(messageSequence);
         return true;
     }
-    async unmarshalling(messageSequence : rpc.MessageSequence) {
+    unmarshalling(messageSequence : rpc.MessageSequence) {
         let pixelParcel : image.PixelMap = await image.createPixelMap(new ArrayBuffer(96), {size: { height:4, width: 6}});
         await pixelParcel.unmarshalling(messageSequence).then(async (pixelMap : image.PixelMap) => {
             this.pixel_map = pixelMap;
@@ -1005,9 +1006,26 @@ class MySequence {
     }
 }
 async function Demo() {
-    let parcelable : MySequence = new MySequence(pixelmap);
-    let data : rpc.MessageSequence = rpc.MessageSequence.create();
-    data.writeParcelable(parcelable);
+   const color : ArrayBuffer = new ArrayBuffer(96);
+   let bufferArr : Uint8Array = new Uint8Array(color);
+   for (let i = 0; i < bufferArr.length; i++) {
+      bufferArr[i] = 0x80;
+   }
+   let opts : image.InitializationOptions = {
+      editable: true,
+      pixelFormat: 2,
+      size: { height: 4, width: 6 },
+      alphaType: 1
+   }
+   let pixelMap : image.PixelMap | undefined = undefined;
+   await image.createPixelMap(color, opts).then((pixelmap : image.PixelMap) => {
+      pixelMap = pixelmap;
+   })
+   if (pixelMap != undefined) {
+     let parcelable : MySequence = new MySequence(pixelMap);
+     let data : rpc.MessageSequence = rpc.MessageSequence.create();
+     data.writeParcelable(parcelable : rpc.Parcelable);
+   }
 }
 ```
 
@@ -1046,7 +1064,7 @@ unmarshalling(sequence: rpc.MessageSequence): Promise\<PixelMap>
 ```ts
 import image from '@ohos.multimedia.image'
 import rpc from '@ohos.rpc'
-class MySequence {
+class MySequence implements rpc.Parcelable {
     pixel_map;
     constructor(pixelmap : image.PixelMap) {
         this.pixel_map = pixelmap;
@@ -1055,7 +1073,7 @@ class MySequence {
         this.pixel_map.marshalling(messageSequence);
         return true;
     }
-    async unmarshalling(messageSequence : rpc.MessageSequence) {
+    unmarshalling(messageSequence : rpc.MessageSequence) {
         let pixelParcel : image.PixelMap = await image.createPixelMap(new ArrayBuffer(96), {size: { height:4, width: 6}});
         await pixelParcel.unmarshalling(messageSequence).then(async (pixelMap : image.PixelMap) => {
             this.pixel_map = pixelMap;
@@ -1064,10 +1082,26 @@ class MySequence {
     }
 }
 async function Demo() {
-    let pixel_map = undefined;
-    let ret : MySequence = new MySequence(pixel_map);
-    let data : rpc.MessageSequence = rpc.MessageSequence.create();
-    await data.readParcelable(ret);
+   const color : ArrayBuffer = new ArrayBuffer(96);
+   let bufferArr : Uint8Array = new Uint8Array(color);
+   for (let i = 0; i < bufferArr.length; i++) {
+      bufferArr[i] = 0x80;
+   }
+   let opts : image.InitializationOptions = {
+      editable: true,
+      pixelFormat: 2,
+      size: { height: 4, width: 6 },
+      alphaType: 1
+   }
+   let pixelMap : image.PixelMap | undefined = undefined;
+   await image.createPixelMap(color, opts).then((pixelmap : image.PixelMap) => {
+      pixelMap = pixelmap;
+   })
+   if (pixelMap != undefined) {
+     let ret : MySequence = new MySequence(pixelMap);
+     let data : rpc.MessageSequence = rpc.MessageSequence.create();
+     await data.readParcelable(ret : rpc.Parcelable);
+   }
 }
 ```
 
@@ -1151,7 +1185,7 @@ const imageSourceApi : image.ImageSource = image.createImageSource(path);
 //FA模型
 import featureAbility from '@ohos.ability.featureAbility';
 
-const context : Context = featureAbility.getContext();
+const context : _Context = featureAbility.getContext();
 const path : string = context.getCacheDir() + "/test.jpg";
 const imageSourceApi : image.ImageSource = image.createImageSource(path);
 ```
@@ -2087,7 +2121,7 @@ packing(source: ImageSource, option: PackingOption, callback: AsyncCallback\<Arr
 ```ts
 const imageSourceApi : image.ImageSource = image.createImageSource(0);
 let packOpts : image.PackingOption = { format:"image/jpeg", quality:98 };
-imagePackerApi.packing(imageSourceApi, packOpts, data : ArrayBuffer => {})
+imagePackerApi.packing(imageSourceApi, packOpts, (data : ArrayBuffer) => {})
 ```
 
 ### packing
@@ -2668,7 +2702,7 @@ queueImage(interface: Image): Promise\<void>
 import {BusinessError} from '@ohos.base'
 creator.dequeueImage().then((img : image.Image) => {
     //绘制图片
-    img.getComponent(4).then(component : image.Component => {
+    img.getComponent(4).then((component : image.Component) => {
         let bufferArr : Uint8Array = new Uint8Array(component.byteBuffer);
         for (let i = 0; i < bufferArr.length; i += 4) {
             bufferArr[i] = 0; //B
diff --git a/zh-cn/application-dev/reference/apis/js-apis-inner-application-extensionContext.md b/zh-cn/application-dev/reference/apis/js-apis-inner-application-extensionContext.md
index 5ea5530b24c91df3f5e66d27e1a0bb3f239c4bb0..5566ea169ea6a180c0be3945df2bc66a9bbe9c3d 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-inner-application-extensionContext.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-inner-application-extensionContext.md
@@ -37,10 +37,7 @@ ExtensionContext主要用于查询所属Extension的信息、Module的配置信
 
 三个Module内都定义一个相同名称的ServiceExtension：
 ```ts
-import ServiceExtension from '@ohos.app.ability.ServiceExtensionAbility';
-import Want from '@ohos.app.ability.Want';
-import rpc from '@ohos.rpc';
-
+// 单例对象 GlobalContext.ts
 export class GlobalContext {
     private constructor() {}
     private static instance: GlobalContext;
@@ -61,6 +58,13 @@ export class GlobalContext {
         this._objects.set(key, objectClass);
     }
 }
+```
+
+```ts
+import ServiceExtension from '@ohos.app.ability.ServiceExtensionAbility';
+import Want from '@ohos.app.ability.Want';
+import rpc from '@ohos.rpc';
+import { GlobalContext } from '../GlobalContext'
 
 export default class TheServiceExtension extends ServiceExtension {
     onCreate(want: Want) {
@@ -109,7 +113,8 @@ export default class EntryAbility extends UIAbility {
 
 在entry内新建一个ServiceModule.ts，专用于执行业务逻辑
 ```ts
-import { GlobalContext } from '../TheServiceExtension'
+import common from '@ohos.app.ability.common';
+import { GlobalContext } from '../GlobalContext';
 
 export default class ServiceModel {
     moduleName: string = '';
@@ -122,7 +127,8 @@ export default class ServiceModel {
             return;
         }
 
-        this.moduleName = GlobalContext.getContext().getObject('ExtensionContext').currentHapModuleInfo.name;
+        let extensionContext = GlobalContext.getContext().getObject('ExtensionContext') as common.ServiceExtensionContext;
+        this.moduleName = extensionContext.currentHapModuleInfo.name;
         // 根据moduleName执行不同的业务逻辑，实现对不同性能设备的区分
         switch (this.moduleName) {
             case 'highPerformance':
diff --git a/zh-cn/application-dev/reference/apis/js-apis-inner-application-formExtensionContext.md b/zh-cn/application-dev/reference/apis/js-apis-inner-application-formExtensionContext.md
index 616f462a96757b55d6fd8e9ef60bbb962f3735e9..dfd05717bd8af450f236c1dc1926998d3d0f460b 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-inner-application-formExtensionContext.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-inner-application-formExtensionContext.md
@@ -13,7 +13,6 @@ FormExtensionContext模块提供FormExtensionAbility具有的接口和能力。
 
 ```ts
 import common from '@ohos.app.ability.common';
-import Base from '@ohos.base';
 ```
 
 ## FormExtensionContext.startAbility
@@ -51,6 +50,7 @@ startAbility(want: Want, callback: AsyncCallback&lt;void&gt;): void
 ```ts
 import FormExtensionAbility from '@ohos.app.form.FormExtensionAbility';
 import Want from '@ohos.app.ability.Want';
+import Base from '@ohos.base';
 
 export default class MyFormExtensionAbility extends FormExtensionAbility {
   onFormEvent(formId: string, message: string) {
@@ -66,7 +66,7 @@ export default class MyFormExtensionAbility extends FormExtensionAbility {
     };
     this.context.startAbility(want, (error: Base.BusinessError) => {
       if (error) {
-        console.error('FormExtensionContext startAbility, error:${JSON.stringify(error)}');
+        console.error(`FormExtensionContext startAbility, error:${JSON.stringify(error)}`);
       } else {
         console.log('FormExtensionContext startAbility success');
       }
@@ -115,6 +115,7 @@ startAbility(want: Want): Promise&lt;void&gt;
 ```ts
 import FormExtensionAbility from '@ohos.app.form.FormExtensionAbility';
 import Want from '@ohos.app.ability.Want';
+import Base from '@ohos.base';
 
 export default class MyFormExtensionAbility extends FormExtensionAbility {
   onFormEvent(formId: string, message: string) {
@@ -212,7 +213,7 @@ export default class MyFormExtensionAbility extends FormExtensionAbility {
       connection = this.context.connectServiceExtensionAbility(want, options);
     } catch (paramError) {
       // 处理入参错误异常
-      console.error(`error.code: ${paramError.code}, error.message: ${paramError.message}`);
+      console.error(`error.code: ${(paramError as Base.BusinessError).code}, error.message: ${(paramError as Base.BusinessError).message}`);
     }
   }
 };
@@ -250,6 +251,7 @@ disconnectServiceExtensionAbility(connection: number, callback:AsyncCallback&lt;
 import FormExtensionAbility from '@ohos.app.form.FormExtensionAbility';
 import rpc from '@ohos.rpc';
 import common from '@ohos.app.ability.common';
+import Base from '@ohos.base';
 
 // commRemote为onConnect回调内返回的remote对象，此处定义为null无任何实际意义，仅作示例
 let commRemote: rpc.IRemoteObject | null = null;
@@ -273,7 +275,7 @@ export default class MyFormExtensionAbility extends FormExtensionAbility {
     } catch (paramError) {
       commRemote = null;
       // 处理入参错误异常
-      console.error(`error.code: ${paramError.code}, error.message: ${paramError.message}`);
+      console.error(`error.code: ${(paramError as Base.BusinessError).code}, error.message: ${(paramError as Base.BusinessError).message}`);
     }
   }
 };
@@ -316,6 +318,7 @@ disconnectServiceExtensionAbility(connection: number): Promise&lt;void&gt;;
 import FormExtensionAbility from '@ohos.app.form.FormExtensionAbility';
 import rpc from '@ohos.rpc';
 import common from '@ohos.app.ability.common';
+import Base from '@ohos.base';
 
 // commRemote为onConnect回调内返回的remote对象，此处定义为null无任何实际意义，仅作示例
 let commRemote: rpc.IRemoteObject | null = null;
@@ -340,7 +343,7 @@ export default class MyFormExtensionAbility extends FormExtensionAbility {
     } catch (paramError) {
       commRemote = null;
       // 处理入参错误异常
-      console.error(`error.code: ${paramError.code}, error.message: ${paramError.message}`);
+      console.error(`error.code: ${(paramError as Base.BusinessError).code}, error.message: ${(paramError as Base.BusinessError).message}`);
     }
   }
 };
diff --git a/zh-cn/application-dev/reference/apis/js-apis-inner-application-serviceExtensionContext.md b/zh-cn/application-dev/reference/apis/js-apis-inner-application-serviceExtensionContext.md
index 9f6f1b3d33dcce65e8f809f5325358e0d731242b..c2fa6f692c42fd15080bcce069ac71f6208d61b8 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-inner-application-serviceExtensionContext.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-inner-application-serviceExtensionContext.md
@@ -770,7 +770,7 @@ startServiceExtensionAbilityWithAccount(want: Want, accountId: number): Promise\
 
 ## ServiceExtensionContext.startAbilityAsCaller<sup>10+<sup>
 
-starAbilityAsCaller(want: Want, callback: AsyncCallback\<void>): void;
+startAbilityAsCaller(want: Want, callback: AsyncCallback\<void>): void;
 
 使用设置的caller信息启动一个Ability，caller信息由want携带，在系统服务层识别，Ability可以在onCreate生命周期的want参数中获取到caller信息。使用该接口启动一个Ability时，want的caller信息不会被当前自身的应用信息覆盖，系统服务层可获取到初始caller的信息。使用callback异步回调。
 
diff --git a/zh-cn/application-dev/reference/apis/js-apis-inner-application-uiAbilityContext.md b/zh-cn/application-dev/reference/apis/js-apis-inner-application-uiAbilityContext.md
index d38bf1a062e55c3d4a55afd693bae6109d54b98e..ec3bdee9dd5454436d7ca93ed7985286aa09dd01 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-inner-application-uiAbilityContext.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-inner-application-uiAbilityContext.md
@@ -3000,7 +3000,7 @@ startAbilityByCallWithAccount(want: Want, accountId: number): Promise&lt;Caller&
 
 ## UIAbilityContext.startAbilityAsCaller<sup>10+<sup>
 
-starAbilityAsCaller(want: Want, callback: AsyncCallback\<void>): void;
+startAbilityAsCaller(want: Want, callback: AsyncCallback\<void>): void;
 
 使用设置的caller信息启动一个Ability，caller信息由want携带，在系统服务层识别，Ability可以在onCreate生命周期的want参数中获取到caller信息。使用该接口启动一个Ability时，want的caller信息不会被当前自身的应用信息覆盖，系统服务层可获取到初始caller的信息。使用callback异步回调。
 
diff --git a/zh-cn/application-dev/reference/apis/js-apis-inner-commonEvent-commonEventSubscriber.md b/zh-cn/application-dev/reference/apis/js-apis-inner-commonEvent-commonEventSubscriber.md
index d9f1fbe39ccecae28723b12a8e05f4cdda8d1ef4..e8067cb831a4babe00b1b6df36ac235f1c12ec87 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-inner-commonEvent-commonEventSubscriber.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-inner-commonEvent-commonEventSubscriber.md
@@ -21,7 +21,7 @@ let subscribeInfo:CommonEventManager.CommonEventSubscribeInfo = {
 
 // 创建订阅者回调
 function createCB(err:Base.BusinessError, commonEventSubscriber:CommonEventManager.CommonEventSubscriber) {
-    if (err.code) {
+    if (err.code !== undefined && err.code != null) {
         console.error(`createSubscriber failed, code is ${err.code}`);
     } else {
         console.info("createSubscriber");
@@ -52,7 +52,7 @@ getCode(callback: AsyncCallback\<number>): void
 ```ts
 //获取有序公共事件代码回调
 function getCodeCB(err:Base.BusinessError, code:number) {
-    if (err.code) {
+    if (err.code !== undefined && err.code != null) {
         console.error(`getCode failed, code is ${err.code}, message is ${err.message}`);
     } else {
         console.info("getCode " + JSON.stringify(code));
@@ -126,7 +126,7 @@ setCode(code: number, callback: AsyncCallback\<void>): void
 ```ts
 //设置有序公共事件的代码回调
 function setCodeCB(err:Base.BusinessError) {
-    if (err.code) {
+    if (err.code !== undefined && err.code != null) {
         console.error(`setCode failed, code is ${err.code}, message is ${err.message}`);
     } else {
         console.info("setCode");
@@ -210,7 +210,7 @@ getData(callback: AsyncCallback\<string>): void
 ```ts
 //获取有序公共事件代码数据回调
 function getDataCB(err:Base.BusinessError, data:string) {
-    if (err.code) {
+    if (err.code !== undefined && err.code != null) {
         console.error(`getData failed, code is ${err.code}, message is ${err.message}`);
     } else {
         console.info("getData " + JSON.stringify(data));
@@ -284,7 +284,7 @@ setData(data: string, callback: AsyncCallback\<void>): void
 ```ts
 //设置有序公共事件的结果数据回调
 function setDataCB(err:Base.BusinessError) {
-    if (err.code) {
+    if (err.code !== undefined && err.code != null) {
         console.error(`setCode failed, code is ${err.code}, message is ${err.message}`);
     } else {
         console.info("setData");
@@ -367,7 +367,7 @@ setCodeAndData(code: number, data: string, callback:AsyncCallback\<void>): void
 ```ts
 //设置有序公共事件的代码和数据回调
 function setCodeDataCB(err:Base.BusinessError) {
-    if (err.code) {
+    if (err.code !== undefined && err.code != null) {
         console.error(`setCodeAndData failed, code is ${err.code}, message is ${err.message}`);
     } else {
         console.info("setCodeDataCallback");
@@ -453,7 +453,7 @@ isOrderedCommonEvent(callback: AsyncCallback\<boolean>): void
 ```ts
 //获取当前公共事件是否为有序事件的回调
 function isOrderedCB(err:Base.BusinessError, isOrdered:boolean) {
-    if (err.code) {
+    if (err.code !== undefined && err.code != null) {
         console.error(`isOrderedCommonEvent failed, code is ${err.code}, message is ${err.message}`);
     } else {
         console.info("isOrdered " + JSON.stringify(isOrdered));
@@ -532,7 +532,7 @@ isStickyCommonEvent(callback: AsyncCallback\<boolean>): void
 ```ts
 //获取当前公共事件是否为粘性事件的回调
 function isStickyCB(err:Base.BusinessError, isSticky:boolean) {
-    if (err.code) {
+    if (err.code !== undefined && err.code != null) {
         console.error(`isStickyCommonEvent failed, code is ${err.code}, message is ${err.message}`);
     } else {
         console.info("isSticky " + JSON.stringify(isSticky));
@@ -609,7 +609,7 @@ abortCommonEvent(callback: AsyncCallback\<void>): void
 ```ts
 //取消当前有序公共事件的回调
 function abortCB(err:Base.BusinessError) {
-    if (err.code) {
+    if (err.code !== undefined && err.code != null) {
 		console.error(`abortCommonEvent failed, code is ${err.code}, message is ${err.message}`);
     } else {
         console.info("abortCommonEvent");
@@ -675,7 +675,7 @@ clearAbortCommonEvent(callback: AsyncCallback\<void>): void
 ```ts
 //清除当前公共事件取消状态的回调
 function clearAbortCB(err:Base.BusinessError) {
-    if (err.code) {
+    if (err.code !== undefined && err.code != null) {
         console.error(`clearAbortCommonEvent failed, code is ${err.code}, message is ${err.message}`);
     } else {
         console.info("clearAbortCommonEvent");
@@ -741,7 +741,7 @@ getAbortCommonEvent(callback: AsyncCallback\<boolean>): void
 ```ts
 //获取当前有序公共事件是否取消的回调
 function getAbortCB(err:Base.BusinessError, abortEvent:boolean) {
-    if (err.code) {
+    if (err.code !== undefined && err.code != null) {
         console.error(`getAbortCommonEvent failed, code is ${err.code}, message is ${err.message}`);
     } else {
         console.info("abortCommonEvent " + abortEvent)
@@ -814,7 +814,7 @@ getSubscribeInfo(callback: AsyncCallback\<CommonEventSubscribeInfo>): void
 ```ts
 //获取订阅者信息回调
 function getCB(err:Base.BusinessError, subscribeInfo:CommonEventManager.CommonEventSubscribeInfo) {
-    if (err.code) {
+    if (err.code !== undefined && err.code != null) {
         console.error(`getSubscribeInfo failed, code is ${err.code}, message is ${err.message}`);
     } else {
         console.info("subscribeInfo " + JSON.stringify(subscribeInfo));
@@ -887,7 +887,7 @@ finishCommonEvent(callback: AsyncCallback\<void>): void
 ```ts
 //结束当前有序公共事件的回调
 function finishCB(err:Base.BusinessError) {
-  if (err.code) {
+  if (err.code !== undefined && err.code != null) {
     console.error(`finishCommonEvent failed, code is ${err.code}, message is ${err.message}`);
   } else {
     console.info("FinishCommonEvent");
diff --git a/zh-cn/application-dev/reference/apis/js-apis-inner-multimedia-ringtonePlayer.md b/zh-cn/application-dev/reference/apis/js-apis-inner-multimedia-ringtonePlayer.md
index bae009565a896fb3add165e9a5f1721ac5c54d75..950efb1d2443a3f256ef385c576923f2626af4da 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-inner-multimedia-ringtonePlayer.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-inner-multimedia-ringtonePlayer.md
@@ -12,7 +12,7 @@ ringtonePlayer需要和[@ohos.multimedia.systemSoundManager](js-apis-systemSound
 
 ## 导入模块
 
-```js
+```ts
 import systemSoundManager from '@ohos.multimedia.systemSoundManager';
 ```
 
@@ -45,8 +45,8 @@ import systemSoundManager from '@ohos.multimedia.systemSoundManager';
 
 **示例：**
 
-```js
-let state = systemRingtonePlayer.state;
+```ts
+let state: media.AVPlayerState = systemRingtonePlayer.state;
 ```
 
 ### getTitle
@@ -67,8 +67,10 @@ getTitle(callback: AsyncCallback&lt;string&gt;): void
 
 **示例：**
 
-```js
-systemRingtonePlayer.getTitle((err, value) => {
+```ts
+import { BusinessError } from '@ohos.base';
+
+systemRingtonePlayer.getTitle((err: BusinessError, value: string) => {
   if (err) {
     console.error(`Failed to get system ringtone title. ${err}`);
     return;
@@ -95,10 +97,12 @@ getTitle(): Promise&lt;string&gt;
 
 **示例：**
 
-```js
-systemRingtonePlayer.getTitle().then((value) => {
+```ts
+import { BusinessError } from '@ohos.base';
+
+systemRingtonePlayer.getTitle().then((value: string) => {
   console.info(`Promise returned to indicate that the value of the system ringtone title is obtained ${value}.`);
-}).catch ((err) => {
+}).catch ((err: BusinessError) => {
   console.error(`Failed to get the system ringtone title ${err}`);
 });
 ```
@@ -121,12 +125,13 @@ getAudioRendererInfo(callback: AsyncCallback&lt;audio.AudioRendererInfo&gt;): vo
 
 **示例：**
 
-```js
+```ts
 import audio from '@ohos.multimedia.audio';
+import { BusinessError } from '@ohos.base';
 
 let audioRendererInfo: audio.AudioRendererInfo = null;
 
-systemRingtonePlayer.getAudioRendererInfo((err, value) => {
+systemRingtonePlayer.getAudioRendererInfo((err: BusinessError, value: audio.AudioRendererInfo) => {
   if (err) {
     console.error(`Failed to get ringtone AudioRendererInfo. ${err}`);
     return;
@@ -154,15 +159,16 @@ getAudioRendererInfo(): Promise&lt;audio.AudioRendererInfo&gt;
 
 **示例：**
 
-```js
+```ts
 import audio from '@ohos.multimedia.audio';
+import { BusinessError } from '@ohos.base';
 
 let audioRendererInfo: audio.AudioRendererInfo = null;
 
-systemRingtonePlayer.getAudioRendererInfo().then((value) => {
+systemRingtonePlayer.getAudioRendererInfo().then((value: audio.AudioRendererInfo) => {
   console.info(`Promise returned to indicate that the value of the ringtone AudioRendererInfo is obtained ${value}.`);
   audioRendererInfo = value;
-}).catch ((err) => {
+}).catch ((err: BusinessError) => {
   console.error(`Failed to get the ringtone AudioRendererInfo ${err}`);
 });
 ```
@@ -186,10 +192,16 @@ configure(options: RingtoneOptions, callback: AsyncCallback&lt;void&gt;): void
 
 **示例：**
 
-```js
-let ringtoneOptions = {volume: 0.5, loop: true};
+```ts
+import { BusinessError } from '@ohos.base';
+
+class RingtoneOptions {
+  volume: number;
+  loop: boolean;
+}
+let ringtoneOptions: RingtoneOptions = {volume: 0.5, loop: true};
 
-systemRingtonePlayer.configure(ringtoneOptions, (err) => {
+systemRingtonePlayer.configure(ringtoneOptions, (err: BusinessError) => {
   if (err) {
     console.error(`Failed to configure ringtone options. ${err}`);
     return;
@@ -222,12 +234,18 @@ configure(options: RingtoneOptions): Promise&lt;void&gt;
 
 **示例：**
 
-```js
-let ringtoneOptions = {volume: 0.5, loop: true};
+```ts
+import { BusinessError } from '@ohos.base';
+
+class RingtoneOptions {
+  volume: number;
+  loop: boolean;
+}
+let ringtoneOptions: RingtoneOptions = {volume: 0.5, loop: true};
 
 systemRingtonePlayer.configure(ringtoneOptions).then(() => {
   console.info(`Promise returned to indicate a successful setting of ringtone options.`);
-}).catch ((err) => {
+}).catch ((err: BusinessError) => {
   console.error(`Failed to configure ringtone options. ${err}`);
 });
 ```
@@ -250,8 +268,10 @@ start(callback: AsyncCallback&lt;void&gt;): void
 
 **示例：**
 
-```js
-systemRingtonePlayer.start((err) => {
+```ts
+import { BusinessError } from '@ohos.base';
+
+systemRingtonePlayer.start((err: BusinessError) => {
   if (err) {
     console.error(`Failed to start playing ringtone. ${err}`);
     return;
@@ -278,10 +298,12 @@ start(): Promise&lt;void&gt;
 
 **示例：**
 
-```js
+```ts
+import { BusinessError } from '@ohos.base';
+
 systemRingtonePlayer.start().then(() => {
   console.info(`Promise returned to indicate a successful starting of ringtone.`);
-}).catch ((err) => {
+}).catch ((err: BusinessError) => {
   console.error(`Failed to start playing ringtone. ${err}`);
 });
 ```
@@ -304,8 +326,10 @@ stop(callback: AsyncCallback&lt;void&gt;): void
 
 **示例：**
 
-```js
-systemRingtonePlayer.stop((err) => {
+```ts
+import { BusinessError } from '@ohos.base';
+
+systemRingtonePlayer.stop((err: BusinessError) => {
   if (err) {
     console.error(`Failed to stop playing ringtone. ${err}`);
     return;
@@ -332,10 +356,12 @@ stop(): Promise&lt;void&gt;
 
 **示例：**
 
-```js
+```ts
+import { BusinessError } from '@ohos.base';
+
 systemRingtonePlayer.stop().then(() => {
   console.info(`Promise returned to indicate a successful stopping of ringtone.`);
-}).catch ((err) => {
+}).catch ((err: BusinessError) => {
   console.error(`Failed to stop playing ringtone. ${err}`);
 });
 ```
@@ -358,8 +384,10 @@ release(callback: AsyncCallback&lt;void&gt;): void
 
 **示例：**
 
-```js
-systemRingtonePlayer.release((err) => {
+```ts
+import { BusinessError } from '@ohos.base';
+
+systemRingtonePlayer.release((err: BusinessError) => {
   if (err) {
     console.error(`Failed to release ringtone player. ${err}`);
     return;
@@ -386,10 +414,12 @@ release(): Promise&lt;void&gt;
 
 **示例：**
 
-```js
+```ts
+import { BusinessError } from '@ohos.base';
+
 systemRingtonePlayer.release().then(() => {
   console.info(`Promise returned to indicate a successful releasing of ringtone player.`);
-}).catch ((err) => {
+}).catch ((err: BusinessError) => {
   console.error(`Failed to release ringtone player. ${err}`);
 });
 ```
@@ -422,50 +452,50 @@ on(type: 'audioInterrupt', callback: Callback&lt;audio.InterruptEvent&gt;): void
 
 **示例：**
 
-```js
+```ts
 import audio from '@ohos.multimedia.audio';
 
-let isPlaying; // 标识符，表示是否正在渲染
-let isDucked; // 标识符，表示是否被降低音量
-
-systemRingtonePlayer.on('audioInterrupt', async(interruptEvent) => {
-if (interruptEvent.forceType == audio.InterruptForceType.INTERRUPT_FORCE) {
-  // 由系统进行操作，强制打断音频渲染，应用需更新自身状态及显示内容等
-  switch (interruptEvent.hintType) {
-    case audio.InterruptHint.INTERRUPT_HINT_PAUSE:
-      // 音频流已被暂停，临时失去焦点，待可重获焦点时会收到resume对应的interruptEvent
-      console.info('Force paused. Update playing status and stop writing');
-      isPlaying = false; // 简化处理，代表应用切换至暂停状态的若干操作
-      break;
-    case audio.InterruptHint.INTERRUPT_HINT_STOP:
-      // 音频流已被停止，永久失去焦点，若想恢复渲染，需用户主动触发
-      console.info('Force stopped. Update playing status and stop writing');
-      isPlaying = false; // 简化处理，代表应用切换至暂停状态的若干操作
-      break;
-    case audio.InterruptHint.INTERRUPT_HINT_DUCK:
-      // 音频流已被降低音量渲染
-      console.info('Force ducked. Update volume status');
-      isDucked = true; // 简化处理，代表应用更新音量状态的若干操作
-      break;
-    case audio.InterruptHint.INTERRUPT_HINT_UNDUCK:
-      // 音频流已被恢复正常音量渲染
-      console.info('Force ducked. Update volume status');
-      isDucked = false; // 简化处理，代表应用更新音量状态的若干操作
-      break;
-    default:
-      break;
+let isPlaying: boolean; // 标识符，表示是否正在渲染
+let isDucked: boolean; // 标识符，表示是否被降低音量
+
+systemRingtonePlayer.on('audioInterrupt', async(interruptEvent: audio.InterruptEvent) => {
+  if (interruptEvent.forceType == audio.InterruptForceType.INTERRUPT_FORCE) {
+    // 由系统进行操作，强制打断音频渲染，应用需更新自身状态及显示内容等
+    switch (interruptEvent.hintType) {
+      case audio.InterruptHint.INTERRUPT_HINT_PAUSE:
+        // 音频流已被暂停，临时失去焦点，待可重获焦点时会收到resume对应的interruptEvent
+        console.info('Force paused. Update playing status and stop writing');
+        isPlaying = false; // 简化处理，代表应用切换至暂停状态的若干操作
+        break;
+      case audio.InterruptHint.INTERRUPT_HINT_STOP:
+        // 音频流已被停止，永久失去焦点，若想恢复渲染，需用户主动触发
+        console.info('Force stopped. Update playing status and stop writing');
+        isPlaying = false; // 简化处理，代表应用切换至暂停状态的若干操作
+        break;
+      case audio.InterruptHint.INTERRUPT_HINT_DUCK:
+        // 音频流已被降低音量渲染
+        console.info('Force ducked. Update volume status');
+        isDucked = true; // 简化处理，代表应用更新音量状态的若干操作
+        break;
+      case audio.InterruptHint.INTERRUPT_HINT_UNDUCK:
+        // 音频流已被恢复正常音量渲染
+        console.info('Force ducked. Update volume status');
+        isDucked = false; // 简化处理，代表应用更新音量状态的若干操作
+        break;
+      default:
+        break;
     }
-} else if (interruptEvent.forceType == audio.InterruptForceType.INTERRUPT_SHARE) {
-  // 由应用进行操作，应用可以自主选择响应操作或忽略该事件
-  switch (interruptEvent.hintType) {
-    case audio.InterruptHint.INTERRUPT_HINT_RESUME:
-      // 建议应用继续渲染（说明音频流此前被强制暂停，临时失去焦点，现在可以恢复渲染）
-      console.info('Resume force paused renderer or ignore');
-      // 若选择继续渲染，需在此处主动执行开始渲染的若干操作
-      break;
-    default:
-      break;
+  } else if (interruptEvent.forceType == audio.InterruptForceType.INTERRUPT_SHARE) {
+    // 由应用进行操作，应用可以自主选择响应操作或忽略该事件
+    switch (interruptEvent.hintType) {
+      case audio.InterruptHint.INTERRUPT_HINT_RESUME:
+        // 建议应用继续渲染（说明音频流此前被强制暂停，临时失去焦点，现在可以恢复渲染）
+        console.info('Resume force paused renderer or ignore');
+        // 若选择继续渲染，需在此处主动执行开始渲染的若干操作
+        break;
+      default:
+        break;
     }
-}
+  }
 });
 ```
\ No newline at end of file
diff --git a/zh-cn/application-dev/reference/apis/js-apis-inner-notification-notificationFlags.md b/zh-cn/application-dev/reference/apis/js-apis-inner-notification-notificationFlags.md
index 425315a5b1f831992ae6052d2acf2c8d54d6f8f6..8773b72625acd442ddf20144c154c7cae0597907 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-inner-notification-notificationFlags.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-inner-notification-notificationFlags.md
@@ -8,6 +8,8 @@
 
 **系统能力**：以下各项对应的系统能力均为SystemCapability.Notification.Notification
 
+## 属性
+
 | 名称             | 类型                    | 必填 | 说明                               |
 | ---------------- | ---------------------- | ---- | --------------------------------- |
 | soundEnabled     | [NotificationFlagStatus](#notificationflagstatus) | 否   | 是否启用声音提示。                  |
diff --git a/zh-cn/application-dev/reference/apis/js-apis-inner-notification-notificationSubscriber.md b/zh-cn/application-dev/reference/apis/js-apis-inner-notification-notificationSubscriber.md
index 2cb55dac5cba25d19beb443802b39e6f14cd2b06..985a22dd9b74a21ca626ae0cc20cc44caf742dbb 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-inner-notification-notificationSubscriber.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-inner-notification-notificationSubscriber.md
@@ -32,23 +32,25 @@ onConsume?: (data: [SubscribeCallbackData](js-apis-notification.md#subscribecall
 
 **示例：**
 
-```javascript
-function subscribeCallback(err) {
-    if (err) {
-        console.error(`subscribe failed, code is ${err.code}, message is ${err.message}`);
-    } else {
-        console.info("subscribeCallback");
-    }
+```ts
+import Base from '@ohos.base';
+
+let subscribeCallback = (err: Base.BusinessError) => {
+  if (err) {
+    console.error(`subscribe failed, code is ${err.code}, message is ${err.message}`);
+  } else {
+    console.info("subscribeCallback");
+  }
 };
 
-function onConsumeCallback(data) {
-    console.info('===> onConsume in test');
-    let req = data.request;
-    console.info('===> onConsume callback req.id:' + req.id);
+let onConsumeCallback = (data: notificationSubscribe.SubscribeCallbackData) => {
+  console.info('===> onConsume in test');
+  let req = data.request;
+  console.info('===> onConsume callback req.id:' + req.id);
 };
 
-let subscriber = {
-    onConsume: onConsumeCallback
+let subscriber: notificationSubscribe.NotificationSubscriber = {
+  onConsume: onConsumeCallback
 };
 
 notificationSubscribe.subscribe(subscriber, subscribeCallback);
@@ -72,23 +74,25 @@ onCancel?:(data: [SubscribeCallbackData](js-apis-notification.md#subscribecallba
 
 **示例：**
 
-```javascript
-function subscribeCallback(err) {
-    if (err) {
-        console.error(`subscribe failed, code is ${err.code}, message is ${err.message}`);
-    } else {
-        console.info("subscribeCallback");
-    }
+```ts
+import Base from '@ohos.base';
+
+let subscribeCallback = (err: Base.BusinessError) => {
+  if (err) {
+    console.error(`subscribe failed, code is ${err.code}, message is ${err.message}`);
+  } else {
+    console.info("subscribeCallback");
+  }
 };
 
-function onCancelCallback(data) {
-    console.info('===> onCancel in test');
-    let req = data.request;
-    console.info('===> onCancel callback req.id:' + req.id);
+function onCancelCallback(data: notificationSubscribe.SubscribeCallbackData) {
+  console.info('===> onCancel in test');
+  let req = data.request;
+  console.info('===> onCancel callback req.id:' + req.id);
 }
 
-let subscriber = {
-    onCancel: onCancelCallback
+let subscriber: notificationSubscribe.NotificationSubscriber = {
+  onCancel: onCancelCallback
 };
 
 notificationSubscribe.subscribe(subscriber, subscribeCallback);
@@ -112,21 +116,21 @@ onUpdate?:(data: [NotificationSortingMap](js-apis-notification.md#notificationso
 
 **示例：**
 
-```javascript
-function subscribeCallback(err) {
-    if (err) {
-        console.error(`subscribe failed, code is ${err.code}, message is ${err.message}`);
-    } else {
-        console.info("subscribeCallback");
-    }
+```ts
+import Base from '@ohos.base';
+
+let subscribeCallback = (err: Base.BusinessError) => {
+  if (err) {
+    console.error(`subscribe failed, code is ${err.code}, message is ${err.message}`);
+  } else {
+    console.info("subscribeCallback");
+  }
 };
 
-function onUpdateCallback(map) {
+let subscriber: notificationSubscribe.NotificationSubscriber = {
+  onUpdate: (map) => {
     console.info('===> onUpdateCallback map:' + JSON.stringify(map));
-}
-
-let subscriber = {
-    onUpdate: onUpdateCallback
+  }
 };
 
 notificationSubscribe.subscribe(subscriber, subscribeCallback);
@@ -144,21 +148,23 @@ onConnect?:() => void
 
 **示例：**
 
-```javascript
-function subscribeCallback(err) {
-    if (err) {
-        console.error(`subscribe failed, code is ${err.code}, message is ${err.message}`);
-    } else {
-        console.info("subscribeCallback");
-    }
+```ts
+import Base from '@ohos.base';
+
+let subscribeCallback = (err: Base.BusinessError) => {
+  if (err) {
+    console.error(`subscribe failed, code is ${err.code}, message is ${err.message}`);
+  } else {
+    console.info("subscribeCallback");
+  }
 };
 
-function onConnectCallback() {
-    console.info('===> onConnect in test');
+let onConnectCallback = () => {
+  console.info('===> onConnect in test');
 }
 
-let subscriber = {
-    onConnect: onConnectCallback
+let subscriber: notificationSubscribe.NotificationSubscriber = {
+  onConnect: onConnectCallback
 };
 
 notificationSubscribe.subscribe(subscriber, subscribeCallback);
@@ -176,32 +182,34 @@ onDisconnect?:() => void
 
 **示例：**
 
-```javascript
-function subscribeCallback(err) {
-    if (err) {
-        console.error(`subscribe failed, code is ${err.code}, message is ${err.message}`);
-    } else {
-        console.info("subscribeCallback");
-    }
+```ts
+import Base from '@ohos.base';
+
+let subscribeCallback = (err: Base.BusinessError) => {
+  if (err) {
+    console.error(`subscribe failed, code is ${err.code}, message is ${err.message}`);
+  } else {
+    console.info("subscribeCallback");
+  }
 };
-function unsubscribeCallback(err) {
-    if (err.code) {
-        console.error(`unsubscribe failed, code is ${err.code}, message is ${err.message}`);
-    } else {
-        console.info("unsubscribeCallback");
-    }
+let unsubscribeCallback = (err: Base.BusinessError) => {
+  if (err) {
+    console.error(`unsubscribe failed, code is ${err.code}, message is ${err.message}`);
+  } else {
+    console.info("unsubscribeCallback");
+  }
 };
 
-function onConnectCallback() {
-    console.info('===> onConnect in test');
+let onConnectCallback = () => {
+  console.info('===> onConnect in test');
 }
-function onDisconnectCallback() {
-    console.info('===> onDisconnect in test');
+let onDisconnectCallback = () => {
+  console.info('===> onDisconnect in test');
 }
 
-let subscriber = {
-    onConnect: onConnectCallback,
-    onDisconnect: onDisconnectCallback
+let subscriber: notificationSubscribe.NotificationSubscriber = {
+  onConnect: onConnectCallback,
+  onDisconnect: onDisconnectCallback
 };
 
 // 订阅通知后会收到onConnect回调
@@ -222,21 +230,23 @@ onDestroy?:() => void
 
 **示例：**
 
-```javascript
-function subscribeCallback(err) {
-    if (err) {
-        console.error(`subscribe failed, code is ${err.code}, message is ${err.message}`);
-    } else {
-        console.info("subscribeCallback");
-    }
+```ts
+import Base from '@ohos.base';
+
+let subscribeCallback = (err: Base.BusinessError) => {
+  if (err) {
+    console.error(`subscribe failed, code is ${err.code}, message is ${err.message}`);
+  } else {
+    console.info("subscribeCallback");
+  }
 };
 
-function onDestroyCallback() {
-    console.info('===> onDestroy in test');
+let onDestroyCallback = () => {
+  console.info('===> onDestroy in test');
 }
 
-let subscriber = {
-    onDestroy: onDestroyCallback
+let subscriber: notificationSubscribe.NotificationSubscriber = {
+  onDestroy: onDestroyCallback
 };
 
 notificationSubscribe.subscribe(subscriber, subscribeCallback);
@@ -260,21 +270,23 @@ onDoNotDisturbDateChange?:(mode: notification.[DoNotDisturbDate](js-apis-notific
 
 **示例：**
 
-```javascript
-function subscribeCallback(err) {
-    if (err) {
-        console.error(`subscribe failed, code is ${err.code}, message is ${err.message}`);
-    } else {
-        console.info("subscribeCallback");
-    }
+```ts
+import Base from '@ohos.base';
+
+let subscribeCallback = (err: Base.BusinessError) => {
+  if (err) {
+    console.error(`subscribe failed, code is ${err.code}, message is ${err.message}`);
+  } else {
+    console.info("subscribeCallback");
+  }
 };
 
-function onDoNotDisturbDateChangeCallback(mode) {
-    console.info('===> onDoNotDisturbDateChange:' + mode);
+let onDoNotDisturbDateChangeCallback = (mode: NotificationManager.DoNotDisturbDate) => {
+  console.info('===> onDoNotDisturbDateChange:' + mode);
 }
 
-let subscriber = {
-    onDoNotDisturbDateChange: onDoNotDisturbDateChangeCallback
+let subscriber: notificationSubscribe.NotificationSubscriber = {
+  onDoNotDisturbDateChange: onDoNotDisturbDateChangeCallback
 };
 
 notificationSubscribe.subscribe(subscriber, subscribeCallback);
@@ -299,23 +311,25 @@ onEnabledNotificationChanged?:(callbackData: [EnabledNotificationCallbackData](j
 
 **示例：**
 
-```javascript
-function subscribeCallback(err) {
-    if (err) {
-        console.error(`subscribe failed, code is ${err.code}, message is ${err.message}`);
-    } else {
-        console.info("subscribeCallback");
-    }
+```ts
+import Base from '@ohos.base';
+
+let subscribeCallback = (err: Base.BusinessError) => {
+  if (err) {
+    console.error(`subscribe failed, code is ${err.code}, message is ${err.message}`);
+  } else {
+    console.info("subscribeCallback");
+  }
 };
 
-function onEnabledNotificationChangedCallback(callbackData) {
-    console.info("bundle: ", callbackData.bundle);
-    console.info("uid: ", callbackData.uid);
-    console.info("enable: ", callbackData.enable);
+let onEnabledNotificationChangedCallback = (callbackData: notificationSubscribe.EnabledNotificationCallbackData) => {
+  console.info("bundle: ", callbackData.bundle);
+  console.info("uid: ", callbackData.uid);
+  console.info("enable: ", callbackData.enable);
 };
 
-let subscriber = {
-    onEnabledNotificationChanged: onEnabledNotificationChangedCallback
+let subscriber: notificationSubscribe.NotificationSubscriber = {
+  onEnabledNotificationChanged: onEnabledNotificationChangedCallback
 };
 
 notificationSubscribe.subscribe(subscriber, subscribeCallback);
@@ -339,23 +353,23 @@ notificationSubscribe.subscribe(subscriber, subscribeCallback);
 
 **示例：**
 
-```javascript
-function subscribeCallback(err) {
-    if (err) {
-        console.error(`subscribe failed, code is ${err.code}, message is ${err.message}`);
-    } else {
-        console.info("subscribeCallback");
-    }
+```ts
+import Base from '@ohos.base';
+
+let subscribeCallback = (err: Base.BusinessError) => {
+  if (err) {
+    console.error(`subscribe failed, code is ${err.code}, message is ${err.message}`);
+  } else {
+    console.info("subscribeCallback");
+  }
 };
 
-function onBadgeChangedCallback(data) {
+let subscriber: notificationSubscribe.NotificationSubscriber = {
+  onBadgeChanged: (data) => {
     console.info("bundle: ", data.bundle);
     console.info("uid: ", data.uid);
     console.info("badgeNumber: ", data.badgeNumber);
-};
-
-let subscriber = {
-    onBadgeChanged: onBadgeChangedCallback
+  }
 };
 
 notificationSubscribe.subscribe(subscriber, subscribeCallback);
diff --git a/zh-cn/application-dev/reference/apis/js-apis-inputconsumer.md b/zh-cn/application-dev/reference/apis/js-apis-inputconsumer.md
index ca66792be26f9709d397610ce7da46281d47b5e2..9104ed04e66181ccdb7a690fbb390c9f52671c2e 100755
--- a/zh-cn/application-dev/reference/apis/js-apis-inputconsumer.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-inputconsumer.md
@@ -35,10 +35,17 @@ on(type: 'key', keyOptions: KeyOptions, callback: Callback&lt;KeyOptions&gt;): v
 ```js
 let leftAltKey = 2045;
 let tabKey = 2049;
+let keyOptions: inputConsumer.KeyOptions = {
+  preKeys: [ leftAltKey ],
+  finalKey: tabKey,
+  isFinalKeyDown: true,
+  finalKeyDownDuration: 0
+};
+let callback = (keyOptions: inputConsumer.KeyOptions) => {
+  console.log(`keyOptions: ${JSON.stringify(keyOptions)}`);
+}
 try {
-  inputConsumer.on("key", {preKeys: [leftAltKey], finalKey: tabKey, isFinalKeyDown: true, finalKeyDownDuration: 0}, keyOptions => {
-    console.log(`keyOptions: ${JSON.stringify(keyOptions)}`);
-  });
+  inputConsumer.on("key", keyOptions, callback);
 } catch (error) {
   console.log(`Subscribe failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
 }
@@ -67,10 +74,10 @@ off(type: 'key', keyOptions: KeyOptions, callback?: Callback&lt;KeyOptions&gt;):
 let leftAltKey = 2045;
 let tabKey = 2049;
 // 取消订阅单个回调函数
-let callback = function (keyOptions) {
+let callback = (keyOptions: inputConsumer.KeyOptions) => {
   console.log(`keyOptions: ${JSON.stringify(keyOptions)}`);
 }
-let keyOption = {preKeys: [leftAltKey], finalKey: tabKey, isFinalKeyDown: true, finalKeyDownDuration: 0};
+let keyOption: inputConsumer.KeyOptions = {preKeys: [leftAltKey], finalKey: tabKey, isFinalKeyDown: true, finalKeyDownDuration: 0};
 try {
   inputConsumer.on("key", keyOption, callback);
   inputConsumer.off("key", keyOption, callback);
@@ -83,10 +90,10 @@ try {
 let leftAltKey = 2045;
 let tabKey = 2049;
 // 取消订阅所有回调函数
-let callback = function (keyOptions) {
+let callback = (keyOptions: inputConsumer.KeyOptions) => {
   console.log(`keyOptions: ${JSON.stringify(keyOptions)}`);
 }
-let keyOption = {preKeys: [leftAltKey], finalKey: tabKey, isFinalKeyDown: true, finalKeyDownDuration: 0};
+let keyOption: inputConsumer.KeyOptions = {preKeys: [leftAltKey], finalKey: tabKey, isFinalKeyDown: true, finalKeyDownDuration: 0};
 try {
   inputConsumer.on("key", keyOption, callback);
   inputConsumer.off("key", keyOption);
diff --git a/zh-cn/application-dev/reference/apis/js-apis-inputdevice.md b/zh-cn/application-dev/reference/apis/js-apis-inputdevice.md
index 8ca5cbc497404dac4afbcf9edceddc5ce3946a16..eaad81311b59843b2867357ab5b3efbdc94abb61 100755
--- a/zh-cn/application-dev/reference/apis/js-apis-inputdevice.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-inputdevice.md
@@ -34,7 +34,7 @@ getDeviceList(callback: AsyncCallback&lt;Array&lt;number&gt;&gt;): void
 
 ```js
 try {
-  inputDevice.getDeviceList((error, ids) => {
+  inputDevice.getDeviceList((error: Error, ids: Array<number>) => {
     if (error) {
       console.log(`Failed to get device id list, error: ${JSON.stringify(error, [`code`, `message`])}`);
       return;
@@ -64,7 +64,7 @@ getDeviceList(): Promise&lt;Array&lt;number&gt;&gt;
 
 ```js
 try {
-  inputDevice.getDeviceList().then((ids) => {
+  inputDevice.getDeviceList().then((ids: Array<number>) => {
     console.log(`Device id list: ${JSON.stringify(ids)}`);
   });
 } catch (error) {
@@ -129,7 +129,7 @@ getDeviceInfo(deviceId: number): Promise&lt;InputDeviceData&gt;
 ```js
 // 获取输入设备id为1的设备信息。
 try {
-  inputDevice.getDeviceInfo(1).then((deviceData) => {
+  inputDevice.getDeviceInfo(1).then((deviceData: inputDevice.InputDeviceData) => {
     console.log(`Device info: ${JSON.stringify(deviceData)}`);
   });
 } catch (error) {
@@ -157,9 +157,9 @@ on(type: "change", listener: Callback&lt;DeviceListener&gt;): void
 ```js
 let isPhysicalKeyboardExist = true;
 try {
-  inputDevice.on("change", (data) => {
+  inputDevice.on("change", (data: inputDevice.DeviceListener) => {
     console.log(`Device event info: ${JSON.stringify(data)}`);
-    inputDevice.getKeyboardType(data.deviceId, (err, type) => {
+    inputDevice.getKeyboardType(data.deviceId, (err: Error, type: inputDevice.KeyboardType) => {
       console.log("The keyboard type is: " + type);
       if (type == inputDevice.KeyboardType.ALPHABETIC_KEYBOARD && data.type == 'add') {
         // 监听物理键盘已连接。
@@ -194,7 +194,7 @@ off(type: "change", listener?: Callback&lt;DeviceListener&gt;): void
 **示例**：
 
 ```js
-function callback(data) {
+function callback(data: inputDevice.DeviceListener) {
   console.log(`Report device event info: ${JSON.stringify(data, [`type`, `deviceId`])}`);
 };
 
@@ -238,7 +238,7 @@ getDeviceIds(callback: AsyncCallback&lt;Array&lt;number&gt;&gt;): void
 **示例**：
 
 ```js
-inputDevice.getDeviceIds((error, ids) => {
+inputDevice.getDeviceIds((error: Error, ids: Array<number>) => {
   if (error) {
     console.log(`Failed to get device id list, error: ${JSON.stringify(error, [`code`, `message`])}`);
     return;
@@ -266,7 +266,7 @@ getDeviceIds(): Promise&lt;Array&lt;number&gt;&gt;
 **示例**：
 
 ```js
-inputDevice.getDeviceIds().then((ids) => {
+inputDevice.getDeviceIds().then((ids: Array<number>) => {
   console.log(`Device id list: ${JSON.stringify(ids)}`);
 });
 ```
@@ -292,7 +292,7 @@ getDevice(deviceId: number, callback: AsyncCallback&lt;InputDeviceData&gt;): voi
 
 ```js
 // 获取输入设备id为1的设备信息。
-inputDevice.getDevice(1, (error, deviceData) => {
+inputDevice.getDevice(1, (error: Error, deviceData: inputDevice.InputDeviceData) => {
   if (error) {
     console.log(`Failed to get device info, error: ${JSON.stringify(error, [`code`, `message`])}`);
     return;
@@ -327,7 +327,7 @@ getDevice(deviceId: number): Promise&lt;InputDeviceData&gt;
 
 ```js
 // 获取输入设备id为1的设备信息。
-inputDevice.getDevice(1).then((deviceData) => {
+inputDevice.getDevice(1).then((deviceData: inputDevice.InputDeviceData) => {
   console.log(`Device info: ${JSON.stringify(deviceData)}`);
 });
 ```
@@ -353,7 +353,7 @@ supportKeys(deviceId: number, keys: Array&lt;KeyCode&gt;, callback: AsyncCallbac
 ```js
 // 查询id为1的输入设备对于17、22和2055按键的支持情况。
 try {
-  inputDevice.supportKeys(1, [17, 22, 2055], (error, supportResult) => {
+  inputDevice.supportKeys(1, [17, 22, 2055], (error: Error, supportResult: Array<boolean>) => {
     console.log(`Query result: ${JSON.stringify(supportResult)}`);
   });
 } catch (error) {
@@ -387,7 +387,7 @@ supportKeys(deviceId: number, keys: Array&lt;KeyCode&gt;): Promise&lt;Array&lt;b
 ```js
 // 查询id为1的输入设备对于17、22和2055按键的支持情况。
 try {
-  inputDevice.supportKeys(1, [17, 22, 2055]).then((supportResult) => {
+  inputDevice.supportKeys(1, [17, 22, 2055]).then((supportResult: Array<boolean>) => {
     console.log(`Query result: ${JSON.stringify(supportResult)}`);
   });
 } catch (error) {
@@ -415,7 +415,7 @@ getKeyboardType(deviceId: number, callback: AsyncCallback&lt;KeyboardType&gt;):
 ```js
 // 查询id为1的输入设备的键盘类型。
 try {
-  inputDevice.getKeyboardType(1, (error, type) => {
+  inputDevice.getKeyboardType(1, (error: Error, type: number) => {
     if (error) {
       console.log(`Failed to get keyboard type, error: ${JSON.stringify(error, [`code`, `message`])}`);
       return;
@@ -452,7 +452,7 @@ getKeyboardType(deviceId: number): Promise&lt;KeyboardType&gt;
 ```js
 // 示例查询设备id为1的设备键盘类型。
 try {
-  inputDevice.getKeyboardType(1).then((type) => {
+  inputDevice.getKeyboardType(1).then((type: number) => {
     console.log(`Keyboard type: ${JSON.stringify(type)}`);
   });
 } catch (error) {
@@ -481,7 +481,7 @@ setKeyboardRepeatDelay(delay: number, callback: AsyncCallback&lt;void&gt;): void
 
 ```js
 try {
-  inputDevice.setKeyboardRepeatDelay(350, (error) => {
+  inputDevice.setKeyboardRepeatDelay(350, (error: Error) => {
     if (error) {
       console.log(`Set keyboard repeat delay failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
       return;
@@ -547,7 +547,7 @@ getKeyboardRepeatDelay(callback: AsyncCallback&lt;number&gt;): void
 
 ```js
 try {
-  inputDevice.getKeyboardRepeatDelay((error, delay) => {
+  inputDevice.getKeyboardRepeatDelay((error: Error, delay: number) => {
     if (error) {
       console.log(`Get keyboard repeat delay failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
       return;
@@ -579,7 +579,7 @@ getKeyboardRepeatDelay(): Promise&lt;number&gt;
 
 ```js
 try {
-  inputDevice.getKeyboardRepeatDelay().then(delay => {
+  inputDevice.getKeyboardRepeatDelay().then((delay: number) => {
     console.log(`Get keyboard repeat delay success`);
   });
 } catch (error) {
@@ -608,7 +608,7 @@ setKeyboardRepeatRate(rate: number, callback: AsyncCallback&lt;void&gt;): void
 
 ```js
 try {
-  inputDevice.setKeyboardRepeatRate(60, (error) => {
+  inputDevice.setKeyboardRepeatRate(60, (error: Error) => {
     if (error) {
       console.log(`Set keyboard repeat rate failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
       return;
@@ -674,7 +674,7 @@ getKeyboardRepeatRate(callback: AsyncCallback&lt;number&gt;): void
 
 ```js
 try {
-  inputDevice.getKeyboardRepeatRate((error, rate) => {
+  inputDevice.getKeyboardRepeatRate((error: Error, rate: number) => {
     if (error) {
       console.log(`Get keyboard repeat rate failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
       return;
@@ -706,7 +706,7 @@ getKeyboardRepeatRate(): Promise&lt;number&gt;
 
 ```js
 try {
-  inputDevice.getKeyboardRepeatRate().then(rate => {
+  inputDevice.getKeyboardRepeatRate().then((rate: number) => {
     console.log(`Get keyboard repeat rate success`);
   });
 } catch (error) {
diff --git a/zh-cn/application-dev/reference/apis/js-apis-inputeventclient.md b/zh-cn/application-dev/reference/apis/js-apis-inputeventclient.md
index 788500960d79c5cf3cd5f19c27bf32e5e036e199..fe12382dceca032ae728ba41e210272081014e94 100755
--- a/zh-cn/application-dev/reference/apis/js-apis-inputeventclient.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-inputeventclient.md
@@ -32,7 +32,7 @@ injectEvent({KeyEvent: KeyEvent}): void
 
 ```js
 try {
-  let backKeyDown = {
+  let backKeyDown: inputEventClient.KeyEvent = {
     isPressed: true,
     keyCode: 2,
     keyDownDuration: 0,
@@ -40,7 +40,7 @@ try {
   }
   inputEventClient.injectEvent({ KeyEvent: backKeyDown });
 
-  let backKeyUp = {
+  let backKeyUp: inputEventClient.KeyEvent = {
     isPressed: false,
     keyCode: 2,
     keyDownDuration: 0,
diff --git a/zh-cn/application-dev/reference/apis/js-apis-inputmethod-extension-ability.md b/zh-cn/application-dev/reference/apis/js-apis-inputmethod-extension-ability.md
index d12a8e6ff71b0cdc7abe84420f338f60954bb936..681b1e119da93571e4d234f6483222d70a3f3c44 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-inputmethod-extension-ability.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-inputmethod-extension-ability.md
@@ -8,7 +8,7 @@
 
 ## 导入模块
 
-```js
+```ts
 import InputMethodExtensionAbility from '@ohos.InputMethodExtensionAbility';
 ```
 
@@ -36,9 +36,11 @@ Extension生命周期回调，在拉起Extension输入法应用时调用，执
 
 **示例：**
 
-```js
+```ts
+import InputMethodExtensionAbility from '@ohos.InputMethodExtensionAbility';
+import Want from '@ohos.app.ability.Want';
 class InputMethodExt extends InputMethodExtensionAbility {
-  onCreate(want) {
+  onCreate(want: Want): void {
     console.log('onCreate, want:' + want.abilityName);
   }
 }
@@ -54,9 +56,10 @@ Extension生命周期回调，在销毁输入法应用时回调，执行资源
 
 **示例：**
 
-```js
+```ts
+import InputMethodExtensionAbility from '@ohos.InputMethodExtensionAbility';
 class InputMethodExt extends InputMethodExtensionAbility {
-  onDestroy() {
+  onDestroy(): void {
     console.log('onDestroy');
   }
 }
diff --git a/zh-cn/application-dev/reference/apis/js-apis-inputmethod-extension-context.md b/zh-cn/application-dev/reference/apis/js-apis-inputmethod-extension-context.md
index b5fffe30af85d2105f690ebd542f0f4700a60730..1c9e18fee0ba6ad6597d1337435f6b444122fc95 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-inputmethod-extension-context.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-inputmethod-extension-context.md
@@ -8,7 +8,7 @@ InputMethodExtensionContext模块是InputMethodExtensionAbility的上下文环
 
 ## 导入模块
 
-```
+```ts
 import InputMethodExtensionContext from '@ohos.InputMethodExtensionContext';
 ```
 
@@ -16,10 +16,11 @@ import InputMethodExtensionContext from '@ohos.InputMethodExtensionContext';
 
 在使用InputMethodExtensionContext的功能前，需要通过InputMethodExtensionAbility子类实例获取。
 
-```js
+```ts
 import InputMethodExtensionAbility from '@ohos.InputMethodExtensionAbility';
-class EntryAbility extends InputMethodExtensionAbility {
-  onCreate() {
+import Want from '@ohos.app.ability.Want';
+class InputMethodExtnAbility extends InputMethodExtensionAbility {
+  onCreate(want: Want): void {
     let context = this.context;
   }
 }
@@ -41,8 +42,12 @@ destroy(callback: AsyncCallback\<void>): void
 
 **示例：**
 
-```js
-this.context.destroy(() => {
+```ts
+this.context.destroy((err: Error) => {
+  if(err) {
+    console.log('Failed to destroy context.');
+    return;
+  }
   console.log('Succeeded in destroying context.');
 });
 ```
@@ -63,8 +68,10 @@ destroy(): Promise\<void>;
 
 **示例：**
 
-```js
+```ts
 this.context.destroy().then(() => {
   console.log('Succeed in destroying context.');
+}).catch((err: Error)=>{
+  console.log('Failed to destroy context.');
 });
 ```
diff --git a/zh-cn/application-dev/reference/apis/js-apis-inputmethod-subtype.md b/zh-cn/application-dev/reference/apis/js-apis-inputmethod-subtype.md
index 4a10513465a9b6f8ae51e0bcfebccb3d4114bc0d..77dd500fb35e40394241828d00e68f424f71dc12 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-inputmethod-subtype.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-inputmethod-subtype.md
@@ -8,7 +8,7 @@
 
 ## 导入模块
 
-```
+```ts
 import InputMethodSubtype from '@ohos.InputMethodSubtype';
 ```
 
diff --git a/zh-cn/application-dev/reference/apis/js-apis-inputmethod.md b/zh-cn/application-dev/reference/apis/js-apis-inputmethod.md
index ec4618f023e3c10b5cdc1b805c180d71715a333a..eed9555026cfafc2562956654d25d4609339e324 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-inputmethod.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-inputmethod.md
@@ -9,7 +9,7 @@
 
 ## 导入模块
 
-```js
+```ts
 import inputMethod from '@ohos.inputMethod';
 ```
 
@@ -65,7 +65,7 @@ getController(): InputMethodController
 
 **示例：**
 
-```js
+```ts
 let inputMethodController = inputMethod.getController();
 ```
 
@@ -93,7 +93,7 @@ getSetting(): InputMethodSetting
 
 **示例：**
 
-```js
+```ts
 let inputMethodSetting = inputMethod.getSetting();
 ```
 
@@ -125,10 +125,10 @@ switchInputMethod(target: InputMethodProperty, callback: AsyncCallback&lt;boolea
 
 **示例：**
 
-```js
+```ts
 let currentIme = inputMethod.getCurrentInputMethod();
 try{
-  inputMethod.switchInputMethod(currentIme, (err, result) => {
+  inputMethod.switchInputMethod(currentIme, (err: Error, result: boolean) => {
     if (err) {
       console.error(`Failed to switchInputMethod: ${JSON.stringify(err)}`);
       return;
@@ -175,19 +175,19 @@ switchInputMethod(target: InputMethodProperty): Promise&lt;boolean&gt;
 
 **示例：**
 
-```js
+```ts
 let currentIme = inputMethod.getCurrentInputMethod();
 try {
-  inputMethod.switchInputMethod(currentIme).then((result) => {
+  inputMethod.switchInputMethod(currentIme).then((result: boolean) => {
     if (result) {
       console.log('Succeeded in switching inputmethod.');
     } else {
       console.error('Failed to switchInputMethod.');
     }
-  }).catch((err) => {
+  }).catch((err: Error) => {
     console.error(`Failed to switchInputMethod: ${JSON.stringify(err)}`);
   })
-} catch(err) {
+} catch (err) {
   console.error(`Failed to switchInputMethod: ${JSON.stringify(err)}`);
 }
 ```
@@ -208,7 +208,7 @@ getCurrentInputMethod(): InputMethodProperty
 
 **示例：**
 
-```js
+```ts
 let currentIme = inputMethod.getCurrentInputMethod();
 ```
 
@@ -244,8 +244,9 @@ switchCurrentInputMethodSubtype(target: InputMethodSubtype, callback: AsyncCallb
 
 **示例：**
 
-```js
+```ts
 try {
+  let extra: Record<string, string> = {}
   inputMethod.switchCurrentInputMethodSubtype({
     id: "ServiceExtAbility",
     label: "",
@@ -255,8 +256,8 @@ try {
     language: "",
     icon: "",
     iconId: 0,
-    extra: {}
-  }, (err, result) => {
+    extra: extra
+  }, (err: Error, result: boolean) => {
     if (err) {
       console.error(`Failed to switchCurrentInputMethodSubtype: ${JSON.stringify(err)}`);
       return;
@@ -309,8 +310,9 @@ switchCurrentInputMethodSubtype(target: InputMethodSubtype): Promise&lt;boolean&
 
 **示例：**
 
-```js
+```ts
 try {
+  let extra: Record<string, string> = {}
   inputMethod.switchCurrentInputMethodSubtype({
     id: "ServiceExtAbility",
     label: "",
@@ -320,14 +322,14 @@ try {
     language: "",
     icon: "",
     iconId: 0,
-    extra: {}
-  }).then((result) => {
+    extra: extra
+  }).then((result: boolean) => {
     if (result) {
       console.log('Succeeded in switching currentInputMethodSubtype.');
     } else {
       console.error('Failed to switchCurrentInputMethodSubtype.');
     }
-  }).catch((err) => {
+  }).catch((err: Error) => {
     console.error(`Failed to switchCurrentInputMethodSubtype: ${JSON.stringify(err)}`);
   })
 } catch(err) {
@@ -351,7 +353,7 @@ getCurrentInputMethodSubtype(): InputMethodSubtype
 
 **示例：**
 
-```js
+```ts
 let currentImeSubType = inputMethod.getCurrentInputMethodSubtype();
 ```
 
@@ -384,11 +386,11 @@ switchCurrentInputMethodAndSubtype(inputMethodProperty: InputMethodProperty, inp
 
 **示例：**
 
-```js
+```ts
 let currentIme = inputMethod.getCurrentInputMethod();
 let imSubType = inputMethod.getCurrentInputMethodSubtype();
 try {
-  inputMethod.switchCurrentInputMethodAndSubtype(currentIme, imSubType, (err,result) => {
+  inputMethod.switchCurrentInputMethodAndSubtype(currentIme, imSubType, (err: Error, result: boolean) => {
     if (err) {
       console.error(`Failed to switchCurrentInputMethodAndSubtype: ${JSON.stringify(err)}`);
       return;
@@ -438,17 +440,17 @@ switchCurrentInputMethodAndSubtype(inputMethodProperty: InputMethodProperty, inp
 
 **示例：**
 
-```js
+```ts
 let currentIme = inputMethod.getCurrentInputMethod();
 let imSubType = inputMethod.getCurrentInputMethodSubtype();
 try {
-  inputMethod.switchCurrentInputMethodAndSubtype(currentIme, imSubType).then((result) => {
+  inputMethod.switchCurrentInputMethodAndSubtype(currentIme, imSubType).then((result: boolean) => {
     if (result) {
       console.log('Succeeded in switching currentInputMethodAndSubtype.');
     } else {
       console.error('Failed to switchCurrentInputMethodAndSubtype.');
     }
-  }).catch((err) => {
+  }).catch((err: Error) => {
     console.error(`Failed to switchCurrentInputMethodAndSubtype: ${JSON.stringify(err)}`);
   })
 } catch(err) {
@@ -476,7 +478,7 @@ getInputMethodController(): InputMethodController
 
 **示例：**
 
-```js
+```ts
 let inputMethodController = inputMethod.getInputMethodController();
 ```
 
@@ -500,7 +502,7 @@ getInputMethodSetting(): InputMethodSetting
 
 **示例：**
 
-```js
+```ts
 let inputMethodSetting = inputMethod.getInputMethodSetting();
 ```
 
@@ -694,7 +696,7 @@ attach(showKeyboard: boolean, textConfig: TextConfig, callback: AsyncCallback&lt
 
 **示例：**
 
-```js
+```ts
 try {
   let textConfig: inputMethod.TextConfig = {
     inputAttribute: {
@@ -702,7 +704,7 @@ try {
       enterKeyType: 1
     }
   };
-  inputMethodController.attach(true, textConfig, (err) => {
+  inputMethodController.attach(true, textConfig, (err: Error) => {
     if (err) {
       console.error(`Failed to attach: ${JSON.stringify(err)}`);
       return;
@@ -750,7 +752,7 @@ attach(showKeyboard: boolean, textConfig: TextConfig): Promise&lt;void&gt;
 
 **示例：**
 
-```js
+```ts
 try {
   let textConfig: inputMethod.TextConfig = {
     inputAttribute: {
@@ -760,7 +762,7 @@ try {
   };
   inputMethodController.attach(true, textConfig).then(() => {
     console.log('Succeeded in attaching inputMethod.');
-  }).catch((err) => {
+  }).catch((err: Error) => {
     console.error(`Failed to attach: ${JSON.stringify(err)}`);
   })
 } catch(err) {
@@ -798,8 +800,8 @@ showTextInput(callback: AsyncCallback&lt;void&gt;): void
 
 **示例：**
 
-```js
-inputMethodController.showTextInput((err) => {
+```ts
+inputMethodController.showTextInput((err: Error) => {
   if (err) {
     console.error(`Failed to showTextInput: ${JSON.stringify(err)}`);
     return;
@@ -838,10 +840,10 @@ showTextInput(): Promise&lt;void&gt;
 
 **示例：**
 
-```js
+```ts
 inputMethodController.showTextInput().then(() => {
   console.log('Succeeded in showing text input.');
-}).catch((err) => {
+}).catch((err: Error) => {
   console.error(`Failed to showTextInput: ${JSON.stringify(err)}`);
 });
 ```
@@ -878,8 +880,8 @@ hideTextInput(callback: AsyncCallback&lt;void&gt;): void
 
 **示例：**
 
-```js
-inputMethodController.hideTextInput((err) => {
+```ts
+inputMethodController.hideTextInput((err: Error) => {
   if (err) {
     console.error(`Failed to hideTextInput: ${JSON.stringify(err)}`);
     return;
@@ -920,10 +922,10 @@ hideTextInput(): Promise&lt;void&gt;
 
 **示例：**
 
-```js
+```ts
 inputMethodController.hideTextInput().then(() => {
   console.log('Succeeded in hiding inputMethod.');
-}).catch((err) => {
+}).catch((err: Error) => {
   console.error(`Failed to hideTextInput: ${JSON.stringify(err)}`);
 })
 ```
@@ -953,8 +955,8 @@ detach(callback: AsyncCallback&lt;void&gt;): void
 
 **示例：**
 
-```js
-inputMethodController.detach((err) => {
+```ts
+inputMethodController.detach((err: Error) => {
   if (err) {
     console.error(`Failed to detach: ${JSON.stringify(err)}`);
     return;
@@ -988,10 +990,10 @@ detach(): Promise&lt;void&gt;
 
 **示例：**
 
-```js
+```ts
 inputMethodController.detach().then(() => {
   console.log('Succeeded in detaching inputMethod.');
-}).catch((err) => {
+}).catch((err: Error) => {
   console.error(`Failed to detach: ${JSON.stringify(err)}`);
 });
 ```
@@ -1027,10 +1029,10 @@ setCallingWindow(windowId: number, callback: AsyncCallback&lt;void&gt;): void
 
 **示例：**
 
-```js
+```ts
 try {
   let windowId: number = 2000;
-  inputMethodController.setCallingWindow(windowId, (err) => {
+  inputMethodController.setCallingWindow(windowId, (err: Error) => {
     if (err) {
       console.error(`Failed to setCallingWindow: ${JSON.stringify(err)}`);
       return;
@@ -1078,12 +1080,12 @@ setCallingWindow(windowId: number): Promise&lt;void&gt;
 
 **示例：**
 
-```js
+```ts
 try {
   let windowId: number = 2000;
   inputMethodController.setCallingWindow(windowId).then(() => {
     console.log('Succeeded in setting callingWindow.');
-  }).catch((err) => {
+  }).catch((err: Error) => {
     console.error(`Failed to setCallingWindow: ${JSON.stringify(err)}`);
   })
 } catch(err) {
@@ -1118,9 +1120,10 @@ updateCursor(cursorInfo: CursorInfo, callback: AsyncCallback&lt;void&gt;): void
 
 **示例：**
 
-```js
+```ts
 try {
-  inputMethodController.updateCursor({left: 0, top: 0, width: 600, height: 800}, (err) => {
+  let cursorInfo: inputMethod.CursorInfo = { left: 0, top: 0, width: 600, height: 800 };
+  inputMethodController.updateCursor(cursorInfo, (err: Error) => {
     if (err) {
       console.error(`Failed to updateCursor: ${JSON.stringify(err)}`);
       return;
@@ -1164,11 +1167,12 @@ updateCursor(cursorInfo: CursorInfo): Promise&lt;void&gt;
 
 **示例：**
 
-```js
+```ts
 try {
-  inputMethodController.updateCursor({left: 0, top: 0, width: 600, height: 800}).then(() => {
+  let cursorInfo: inputMethod.CursorInfo = { left: 0, top: 0, width: 600, height: 800 };
+  inputMethodController.updateCursor(cursorInfo).then(() => {
     console.log('Succeeded in updating cursorInfo.');
-  }).catch((err) => {
+  }).catch((err: Error) => {
     console.error(`Failed to updateCursor: ${JSON.stringify(err)}`);
   })
 } catch(err) {
@@ -1205,9 +1209,9 @@ changeSelection(text: string, start: number, end: number, callback: AsyncCallbac
 
 **示例：**
 
-```js
+```ts
 try {
-  inputMethodController.changeSelection('text', 0, 5, (err) => {
+  inputMethodController.changeSelection('text', 0, 5, (err: Error) => {
     if (err) {
       console.error(`Failed to changeSelection: ${JSON.stringify(err)}`);
       return;
@@ -1253,11 +1257,11 @@ changeSelection(text: string, start: number, end: number): Promise&lt;void&gt;
 
 **示例：**
 
-```js
+```ts
 try {
   inputMethodController.changeSelection('test', 0, 5).then(() => {
     console.log('Succeeded in changing selection.');
-  }).catch((err) => {
+  }).catch((err: Error) => {
     console.error(`Failed to changeSelection: ${JSON.stringify(err)}`);
   })
 } catch(err) {
@@ -1292,9 +1296,10 @@ updateAttribute(attribute: InputAttribute, callback: AsyncCallback&lt;void&gt;):
 
 **示例：**
 
-```js
+```ts
 try {
-  inputMethodController.updateAttribute({textInputType: 0, enterKeyType: 1}, (err) => {
+  let inputAttribute: inputMethod.InputAttribute = { textInputType: 0, enterKeyType: 1 };
+  inputMethodController.updateAttribute(inputAttribute, (err: Error) => {
     if (err) {
       console.error(`Failed to updateAttribute: ${JSON.stringify(err)}`);
       return;
@@ -1338,11 +1343,12 @@ updateAttribute(attribute: InputAttribute): Promise&lt;void&gt;
 
 **示例：**
 
-```js
+```ts
 try {
-  inputMethodController.updateAttribute({textInputType: 0, enterKeyType: 1}).then(() => {
+  let inputAttribute: inputMethod.InputAttribute = { textInputType: 0, enterKeyType: 1 };
+  inputMethodController.updateAttribute(inputAttribute).then(() => {
     console.log('Succeeded in updating attribute.');
-  }).catch((err) => {
+  }).catch((err: Error) => {
     console.error(`Failed to updateAttribute: ${JSON.stringify(err)}`);
   })
 } catch(err) {
@@ -1379,9 +1385,9 @@ stopInputSession(callback: AsyncCallback&lt;boolean&gt;): void
 
 **示例：**
 
-```js
+```ts
 try {
-  inputMethodController.stopInputSession((err, result) => {
+  inputMethodController.stopInputSession((err: Error, result: boolean) => {
     if (err) {
       console.error(`Failed to stopInputSession: ${JSON.stringify(err)}`);
       return;
@@ -1426,15 +1432,15 @@ stopInputSession(): Promise&lt;boolean&gt;
 
 **示例：**
 
-```js
+```ts
 try {
-  inputMethodController.stopInputSession().then((result) => {
+  inputMethodController.stopInputSession().then((result: boolean) => {
     if (result) {
       console.log('Succeeded in stopping inputSession.');
     } else {
       console.error('Failed to stopInputSession.');
     }
-  }).catch((err) => {
+  }).catch((err: Error) => {
     console.error(`Failed to stopInputSession: ${JSON.stringify(err)}`);
   })
 } catch(err) {
@@ -1473,8 +1479,8 @@ showSoftKeyboard(callback: AsyncCallback&lt;void&gt;): void
 
 **示例：**
 
-```js
-inputMethodController.showSoftKeyboard((err) => {
+```ts
+inputMethodController.showSoftKeyboard((err: Error) => {
   if (!err) {
     console.log('Succeeded in showing softKeyboard.');
   } else {
@@ -1514,10 +1520,10 @@ showSoftKeyboard(): Promise&lt;void&gt;
 
 **示例：**
 
-```js
+```ts
 inputMethodController.showSoftKeyboard().then(() => {
   console.log('Succeeded in showing softKeyboard.');
-}).catch((err) => {
+}).catch((err: Error) => {
   console.error(`Failed to show softKeyboard: ${JSON.stringify(err)}`);
 });
 ```
@@ -1553,8 +1559,8 @@ hideSoftKeyboard(callback: AsyncCallback&lt;void&gt;): void
 
 **示例：**
 
-```js
-inputMethodController.hideSoftKeyboard((err) => {
+```ts
+inputMethodController.hideSoftKeyboard((err: Error) => {
   if (!err) {
     console.log('Succeeded in hiding softKeyboard.');
   } else {
@@ -1594,10 +1600,10 @@ hideSoftKeyboard(): Promise&lt;void&gt;
 
 **示例：**
 
-```js
+```ts
 inputMethodController.hideSoftKeyboard().then(() => {
   console.log('Succeeded in hiding softKeyboard.');
-}).catch((err) => {
+}).catch((err: Error) => {
   console.error(`Failed to hide softKeyboard: ${JSON.stringify(err)}`);
 });
 ```
@@ -1624,8 +1630,8 @@ stopInput(callback: AsyncCallback&lt;boolean&gt;): void
 
 **示例：**
 
-```js
-inputMethodController.stopInput((err, result) => {
+```ts
+inputMethodController.stopInput((err: Error, result: boolean) => {
   if (err) {
     console.error(`Failed to stopInput: ${JSON.stringify(err)}`);
     return;
@@ -1660,14 +1666,14 @@ stopInput(): Promise&lt;boolean&gt;
 
 **示例：**
 
-```js
-inputMethodController.stopInput().then((result) => {
+```ts
+inputMethodController.stopInput().then((result: boolean) => {
   if (result) {
     console.log('Succeeded in stopping input.');
   } else {
     console.error('Failed to stopInput.');
   }
-}).catch((err) => {
+}).catch((err: Error) => {
   console.error(`Failed to stopInput: ${JSON.stringify(err)}`);
 })
 ```
@@ -1697,9 +1703,9 @@ on(type: 'insertText', callback: (text: string) => void): void;
 
 **示例：**
 
-```js
+```ts
 try {
-  inputMethodController.on('insertText', (text) => {
+  inputMethodController.on('insertText', (text: string) => {
     console.log(`Succeeded in subscribing insertText: ${text}`);
   });
 } catch(err) {
@@ -1724,7 +1730,7 @@ off(type: 'insertText', callback?: (text: string) => void): void
 
 **示例：**
 
-```js
+```ts
 let onInsertTextCallback = (text: string) => {
     console.log(`Succeeded in subscribing insertText: ${text}`);
 };
@@ -1757,9 +1763,9 @@ on(type: 'deleteLeft', callback: (length: number) => void): void
 
 **示例：**
 
-```js
+```ts
 try {
-  inputMethodController.on('deleteLeft', (length) => {
+  inputMethodController.on('deleteLeft', (length: number) => {
     console.log(`Succeeded in subscribing deleteLeft, length: ${length}`);
   });
 } catch(err) {
@@ -1784,7 +1790,7 @@ off(type: 'deleteLeft', callback?: (length: number) => void): void
 
 **示例：**
 
-```js
+```ts
 let onDeleteLeftCallback = (length: number) => {
     console.log(`Succeeded in subscribing deleteLeft, length: ${length}`);
 };
@@ -1817,9 +1823,9 @@ on(type: 'deleteRight', callback: (length: number) => void): void
 
 **示例：**
 
-```js
+```ts
 try {
-  inputMethodController.on('deleteRight', (length) => {
+  inputMethodController.on('deleteRight', (length: number) => {
     console.log(`Succeeded in subscribing deleteRight, length: ${length}`);
   });
 } catch(err) {
@@ -1844,7 +1850,7 @@ off(type: 'deleteRight', callback?: (length: number) => void): void
 
 **示例：**
 
-```js
+```ts
 let onDeleteRightCallback = (length: number) => {
     console.log(`Succeeded in subscribing deleteRight, length: ${length}`);
 };
@@ -1877,9 +1883,9 @@ on(type: 'sendKeyboardStatus', callback: (keyboardStatus: KeyboardStatus) => voi
 
 **示例：**
 
-```js
+```ts
 try {
-  inputMethodController.on('sendKeyboardStatus', (keyboardStatus) => {
+  inputMethodController.on('sendKeyboardStatus', (keyboardStatus: inputMethod.KeyboardStatus) => {
     console.log(`Succeeded in subscribing sendKeyboardStatus, keyboardStatus: ${keyboardStatus}`);
   });
 } catch(err) {
@@ -1904,8 +1910,8 @@ off(type: 'sendKeyboardStatus', callback?: (keyboardStatus: KeyboardStatus) => v
 
 **示例：**
 
-```js
-let onSendKeyboardStatus = (keyboardStatus: KeyboardStatus) => {
+```ts
+let onSendKeyboardStatus = (keyboardStatus: inputMethod.KeyboardStatus) => {
     console.log(`Succeeded in subscribing sendKeyboardStatus, keyboardStatus: ${keyboardStatus}`);
 };
 inputMethodController.off('sendKeyboardStatus', onSendKeyboardStatus);
@@ -1937,9 +1943,9 @@ on(type: 'sendFunctionKey', callback: (functionKey: FunctionKey) => void): void
 
 **示例：**
 
-```js
+```ts
 try {
-  inputMethodController.on('sendFunctionKey', (functionKey) => {
+  inputMethodController.on('sendFunctionKey', (functionKey: inputMethod.FunctionKey) => {
     console.log(`Succeeded in subscribing sendFunctionKey, functionKey.enterKeyType: ${functionKey.enterKeyType}`);
   });
 } catch(err) {
@@ -1964,8 +1970,8 @@ off(type: 'sendFunctionKey', callback?: (functionKey: FunctionKey) => void): voi
 
 **示例：**
 
-```js
-let onSendFunctionKey = (functionKey: FunctionKey) => {
+```ts
+let onSendFunctionKey = (functionKey: inputMethod.FunctionKey) => {
     console.log(`Succeeded in subscribing sendFunctionKey, functionKey: ${functionKey.enterKeyType}`);
 };
 inputMethodController.off('sendFunctionKey', onSendFunctionKey);
@@ -1997,9 +2003,9 @@ on(type: 'moveCursor', callback: (direction: Direction) => void): void
 
 **示例：**
 
-```js
+```ts
 try {
-  inputMethodController.on('moveCursor', (direction) => {
+  inputMethodController.on('moveCursor', (direction: inputMethod.Direction) => {
     console.log(`Succeeded in subscribing moveCursor, direction: ${direction}`);
   });
 } catch(err) {
@@ -2024,8 +2030,8 @@ off(type: 'moveCursor', callback?: (direction: Direction) => void): void
 
 **示例：**
 
-```js
-let onMoveCursorCallback = (direction: Direction) => {
+```ts
+let onMoveCursorCallback = (direction: inputMethod.Direction) => {
     console.log(`Succeeded in subscribing moveCursor, direction: ${direction}`);
 };
 inputMethodController.off('moveCursor', onMoveCursorCallback);
@@ -2057,9 +2063,9 @@ on(type: 'handleExtendAction', callback: (action: ExtendAction) => void): void
 
 **示例：**
 
-```js
+```ts
 try {
-  inputMethodController.on('handleExtendAction', (action) => {
+  inputMethodController.on('handleExtendAction', (action: inputMethod.ExtendAction) => {
     console.log(`Succeeded in subscribing handleExtendAction, action: ${action}`);
   });
 } catch(err) {
@@ -2084,8 +2090,8 @@ off(type: 'handleExtendAction', callback?: (action: ExtendAction) => void): void
 
 **示例：**
 
-```js
-let onHandleExtendActionCallback = (action: ExtendAction) => {
+```ts
+let onHandleExtendActionCallback = (action: inputMethod.ExtendAction) => {
     console.log(`Succeeded in subscribing handleExtendAction, action: ${action}`);
 };
 inputMethodController.off('handleExtendAction', onHandleExtendActionCallback);
@@ -2109,8 +2115,8 @@ on(type: 'selectByRange', callback: Callback&lt;Range&gt;): void
 
 **示例：**
 
-```js
-inputMethodController.on('selectByRange', (range) => {
+```ts
+inputMethodController.on('selectByRange', (range: inputMethod.Range) => {
   console.log(`Succeeded in subscribing selectByRange: start: ${range.start} , end: ${range.end}`);
 });
 ```
@@ -2132,8 +2138,8 @@ off(type: 'selectByRange', callback?:  Callback&lt;Range&gt;): void
 
 **示例：**
 
-```js
-let onSelectByRangeCallback = (range: Range) => {
+```ts
+let onSelectByRangeCallback = (range: inputMethod.Range) => {
     console.log(`Succeeded in subscribing selectByRange, range: ${JSON.stringify(range)}`);
 };
 inputMethodController.off('selectByRange', onSelectByRangeCallback);
@@ -2157,8 +2163,8 @@ on(type: 'selectByMovement', callback: Callback&lt;Movement&gt;): void
 
 **示例：**
 
-```js
-inputMethodController.on('selectByMovement', (movement) => {
+```ts
+inputMethodController.on('selectByMovement', (movement: inputMethod.Movement) => {
   console.log('Succeeded in subscribing selectByMovement: direction: ' + movement.direction);
 });
 ```
@@ -2180,8 +2186,8 @@ off(type: 'selectByMovement', callback?: Callback&lt;Movement&gt;): void
 
 **示例：**
 
-```js
-let onSelectByMovementCallback = (movement: Movement) => {
+```ts
+let onSelectByMovementCallback = (movement: inputMethod.Movement) => {
     console.log(`Succeeded in subscribing selectByMovement, movement.direction: ${movement.direction}`);
 };
 inputMethodController.off('selectByMovement', onSelectByMovementCallback);
@@ -2213,15 +2219,15 @@ on(type: 'getLeftTextOfCursor', callback: (length: number) => string): void;
 
 **示例：**
 
-```js
+```ts
 try {
-  inputMethodController.on('getLeftTextOfCursor', (length) => {
+  inputMethodController.on('getLeftTextOfCursor', (length: number) => {
     console.info(`Succeeded in subscribing getLeftTextOfCursor, length: ${length}`);
     let text:string = "";
     return text;
   });
 } catch(err) {
-  console.error(`Failed to subscribe getLeftTextOfCursor. Code: ${err.code}, message: ${err.message}`);
+  console.error(`Failed to subscribe getLeftTextOfCursor. err: ${JSON.stringify(err)}`);
 }
 ```
 
@@ -2242,15 +2248,17 @@ off(type: 'getLeftTextOfCursor', callback?: (length: number) => string): void;
 
 **示例：**
 
-```js
+```ts
 try {
-  inputMethodController.off('getLeftTextOfCursor', (length) => {
+  let getLeftTextOfCursorCallback = (length: number) => {
     console.info(`Succeeded in unsubscribing getLeftTextOfCursor, length: ${length}`);
     let text:string = "";
     return text;
-  });
+  };
+  inputMethodController.off('getLeftTextOfCursor', getLeftTextOfCursorCallback);
+  inputMethodController.off('getLeftTextOfCursor');
 } catch(err) {
-  console.error(`Failed to unsubscribing getLeftTextOfCursor. Code: ${err.code}, message: ${err.message}`);
+  console.error(`Failed to unsubscribing getLeftTextOfCursor. err: ${JSON.stringify(err)}`);
 }
 ```
 
@@ -2279,15 +2287,15 @@ on(type: 'getRightTextOfCursor', callback: (length: number) => string): void;
 
 **示例：**
 
-```js
+```ts
 try {
-  inputMethodController.on('getRightTextOfCursor', (length) => {
+  inputMethodController.on('getRightTextOfCursor', (length: number) => {
     console.info(`Succeeded in subscribing getRightTextOfCursor, length: ${length}`);
     let text:string = "";
     return text;
   });
 } catch(err) {
-  console.error(`Failed to subscribe getRightTextOfCursor. Code: ${err.code}, message: ${err.message}`);
+  console.error(`Failed to subscribe getRightTextOfCursor. err: ${JSON.stringify(err)}`);
 }
 ```
 
@@ -2308,15 +2316,17 @@ off(type: 'getRightTextOfCursor', callback?: (length: number) => string): void;
 
 **示例：**
 
-```js
+```ts
 try {
-  inputMethodController.off('getRightTextOfCursor', (length) => {
+  let getRightTextOfCursorCallback = (length: number) => {
     console.info(`Succeeded in unsubscribing getRightTextOfCursor, length: ${length}`);
     let text:string = "";
     return text;
-  });
+  };
+  inputMethodController.off('getRightTextOfCursor', getRightTextOfCursorCallback);
+  inputMethodController.off('getRightTextOfCursor');
 } catch(err) {
-  console.error(`Failed to unsubscribing getRightTextOfCursor. Code: ${err.code}, message: ${err.message}`);
+  console.error(`Failed to unsubscribing getRightTextOfCursor. err: ${JSON.stringify(err)}`);
 }
 ```
 
@@ -2345,7 +2355,7 @@ on(type: 'getTextIndexAtCursor', callback: () => number): void;
 
 **示例：**
 
-```js
+```ts
 try {
   inputMethodController.on('getTextIndexAtCursor', () => {
     console.info(`Succeeded in subscribing getTextIndexAtCursor.`);
@@ -2353,7 +2363,7 @@ try {
     return index;
   });
 } catch(err) {
-  console.error(`Failed to subscribe getTextIndexAtCursor. Code: ${err.code}, message: ${err.message}`);
+  console.error(`Failed to subscribe getTextIndexAtCursor. err: ${JSON.stringify(err)}`);
 }
 ```
 
@@ -2374,15 +2384,17 @@ off(type: 'getTextIndexAtCursor', callback?: () => number): void;
 
 **示例：**
 
-```js
+```ts
 try {
-  inputMethodController.off('getTextIndexAtCursor', () => {
+  let getTextIndexAtCursorCallback = () => {
     console.info(`Succeeded in unsubscribing getTextIndexAtCursor.`);
     let index:number = 0;
     return index;
-  });
+  };
+  inputMethodController.off('getTextIndexAtCursor', getTextIndexAtCursorCallback);
+  inputMethodController.off('getTextIndexAtCursor');
 } catch(err) {
-  console.error(`Failed to unsubscribing getTextIndexAtCursor. Code: ${err.code}, message: ${err.message}`);
+  console.error(`Failed to unsubscribing getTextIndexAtCursor. err: ${JSON.stringify(err)}`);
 }
 ```
 
@@ -2407,8 +2419,9 @@ on(type: 'imeChange', callback: (inputMethodProperty: InputMethodProperty, input
 
 **示例：**
 
-```js
-inputMethodSetting.on('imeChange', (inputMethodProperty, inputMethodSubtype) => {
+```ts
+import InputMethodSubtype from '@ohos.InputMethodSubtype';
+inputMethodSetting.on('imeChange', (inputMethodProperty: inputMethod.InputMethodProperty, inputMethodSubtype: InputMethodSubtype) => {
   console.log('Succeeded in subscribing imeChange: inputMethodProperty: ' + JSON.stringify(inputMethodProperty) + " , inputMethodSubtype: " + JSON.stringify(inputMethodSubtype));
 });
 ```
@@ -2430,7 +2443,7 @@ off(type: 'imeChange', callback?: (inputMethodProperty: InputMethodProperty, inp
 
 **示例：**
 
-```js
+```ts
 inputMethodSetting.off('imeChange');
 ```
 
@@ -2453,8 +2466,8 @@ on(type: 'imeShow', callback: (info: Array\<InputWindowInfo>) => void): void
 
 **示例：**
 
-```js
-inputMethodSetting.on('imeShow', (info) => {
+```ts
+inputMethodSetting.on('imeShow', (info: Array<inputMethod.InputWindowInfo>) => {
     console.info('Succeeded in subscribing imeShow event.');
 });
 ```
@@ -2478,8 +2491,8 @@ on(type: 'imeHide', callback: (info: Array\<InputWindowInfo>) => void): void
 
 **示例：**
 
-```js
-inputMethodSetting.on('imeHide', (info) => {
+```ts
+inputMethodSetting.on('imeHide', (info: Array<inputMethod.InputWindowInfo>) => {
     console.info('Succeeded in subscribing imeHide event.');
 });
 ```
@@ -2503,7 +2516,7 @@ off(type: 'imeShow', callback?: (info: Array\<InputWindowInfo>) => void): void
 
 **示例：**
 
-```js
+```ts
 inputMethodSetting.off('imeShow');
 ```
 
@@ -2526,7 +2539,7 @@ off(type: 'imeHide', callback?: (info: Array\<InputWindowInfo>) => void): void
 
 **示例：**
 
-```js
+```ts
 inputMethodSetting.off('imeHide');
 ```
 
@@ -2556,13 +2569,15 @@ listInputMethodSubtype(inputMethodProperty: InputMethodProperty, callback: Async
 
 **示例：**
 
-```js
-let inputMethodProperty = {
-  name: 'com.example.kikakeyboard',
+```ts
+let inputMethodProperty: inputMethod.InputMethodProperty = {
+  packageName: 'com.example.kikakeyboard',
+  name: 'InputMethodExAbility',
+  methodId: '',
   id: 'propertyId',
 }
 try {
-  inputMethodSetting.listInputMethodSubtype(inputMethodProperty, (err, data) => {
+  inputMethodSetting.listInputMethodSubtype(inputMethodProperty, (err: Error, data: Array<InputMethodSubtype>) => {
     if (err) {
       console.error(`Failed to listInputMethodSubtype: ${JSON.stringify(err)}`);
       return;
@@ -2605,15 +2620,17 @@ listInputMethodSubtype(inputMethodProperty: InputMethodProperty): Promise&lt;Arr
 
 **示例：**
 
-```js
-let inputMethodProperty = {
-  name: 'com.example.kikakeyboard',
+```ts
+let inputMethodProperty: inputMethod.InputMethodProperty = {
+  packageName: 'com.example.kikakeyboard',
+  name: 'InputMethodExAbility',
+  methodId: '',
   id: 'propertyId',
 }
 try {
-  inputMethodSetting.listInputMethodSubtype(inputMethodProperty).then((data) => {
+  inputMethodSetting.listInputMethodSubtype(inputMethodProperty).then((data: Array<InputMethodSubtype>) => {
     console.log('Succeeded in listing inputMethodSubtype.');
-  }).catch((err) => {
+  }).catch((err: Error) => {
     console.error(`Failed to listInputMethodSubtype: ${JSON.stringify(err)}`);
   })
 } catch(err) {
@@ -2646,9 +2663,9 @@ listCurrentInputMethodSubtype(callback: AsyncCallback&lt;Array&lt;InputMethodSub
 
 **示例：**
 
-```js
+```ts
 try {
-  inputMethodSetting.listCurrentInputMethodSubtype((err, data) => {
+  inputMethodSetting.listCurrentInputMethodSubtype((err: Error, data: Array<InputMethodSubtype>) => {
     if (err) {
       console.error(`Failed to listCurrentInputMethodSubtype: ${JSON.stringify(err)}`);
       return;
@@ -2685,11 +2702,11 @@ listCurrentInputMethodSubtype(): Promise&lt;Array&lt;InputMethodSubtype&gt;&gt;
 
 **示例：**
 
-```js
+```ts
 try {
-  inputMethodSetting.listCurrentInputMethodSubtype().then((data) => {
+  inputMethodSetting.listCurrentInputMethodSubtype().then((data: Array<InputMethodSubtype>) => {
     console.log('Succeeded in listing currentInputMethodSubtype.');
-  }).catch((err) => {
+  }).catch((err: Error) => {
     console.error(`Failed to listCurrentInputMethodSubtype: ${JSON.stringify(err)}`);
   })
 } catch(err) {
@@ -2729,9 +2746,9 @@ getInputMethods(enable: boolean, callback: AsyncCallback&lt;Array&lt;InputMethod
 
 **示例：**
 
-```js
+```ts
 try {
-  inputMethodSetting.getInputMethods(true, (err, data) => {
+  inputMethodSetting.getInputMethods(true, (err: Error, data: Array<inputMethod.InputMethodProperty>) => {
     if (err) {
       console.error(`Failed to getInputMethods: ${JSON.stringify(err)}`);
       return;
@@ -2780,11 +2797,11 @@ getInputMethods(enable: boolean): Promise&lt;Array&lt;InputMethodProperty&gt;&gt
 
 **示例：**
 
-```js
+```ts
 try {
-  inputMethodSetting.getInputMethods(true).then((data) => {
+  inputMethodSetting.getInputMethods(true).then((data: Array<inputMethod.InputMethodProperty>) => {
     console.log('Succeeded in getting inputMethods.');
-  }).catch((err) => {
+  }).catch((err: Error) => {
     console.error(`Failed to getInputMethods: ${JSON.stringify(err)}`);
   })
 } catch(err) {
@@ -2816,9 +2833,9 @@ showOptionalInputMethods(callback: AsyncCallback&lt;boolean&gt;): void
 
 **示例：**
 
-```js
+```ts
 try {
-  inputMethodSetting.showOptionalInputMethods((err, data) => {
+  inputMethodSetting.showOptionalInputMethods((err: Error, data: boolean) => {
     if (err) {
       console.error(`Failed to showOptionalInputMethods: ${JSON.stringify(err)}`);
       return;
@@ -2854,10 +2871,10 @@ showOptionalInputMethods(): Promise&lt;boolean&gt;
 
 **示例：**
 
-```js
-inputMethodSetting.showOptionalInputMethods().then((data) => {
+```ts
+inputMethodSetting.showOptionalInputMethods().then((data: boolean) => {
   console.log('Succeeded in showing optionalInputMethods.');
-}).catch((err) => {
+}).catch((err: Error) => {
   console.error(`Failed to showOptionalInputMethods: ${JSON.stringify(err)}`);
 })
 ```
@@ -2882,8 +2899,8 @@ listInputMethod(callback: AsyncCallback&lt;Array&lt;InputMethodProperty&gt;&gt;)
 
 **示例：**
 
-```js
-inputMethodSetting.listInputMethod((err, data) => {
+```ts
+inputMethodSetting.listInputMethod((err: Error, data: Array<inputMethod.InputMethodProperty>) => {
   if (err) {
     console.error(`Failed to listInputMethod: ${JSON.stringify(err)}`);
     return;
@@ -2912,10 +2929,10 @@ listInputMethod(): Promise&lt;Array&lt;InputMethodProperty&gt;&gt;
 
 **示例：**
 
-```js
-inputMethodSetting.listInputMethod().then((data) => {
+```ts
+inputMethodSetting.listInputMethod().then((data: Array<inputMethod.InputMethodProperty>) => {
   console.log('Succeeded in listing inputMethod.');
-}).catch((err) => {
+}).catch((err: Error) => {
   console.error(`Failed to listInputMethod: ${JSON.stringify(err)}`);
 })
 ```
@@ -2940,8 +2957,8 @@ displayOptionalInputMethod(callback: AsyncCallback&lt;void&gt;): void
 
 **示例：**
 
-```js
-inputMethodSetting.displayOptionalInputMethod((err) => {
+```ts
+inputMethodSetting.displayOptionalInputMethod((err: Error) => {
   if (err) {
     console.error(`Failed to displayOptionalInputMethod: ${JSON.stringify(err)}`);
     return;
@@ -2970,10 +2987,10 @@ displayOptionalInputMethod(): Promise&lt;void&gt;
 
 **示例：**
 
-```js
+```ts
 inputMethodSetting.displayOptionalInputMethod().then(() => {
   console.log('Succeeded in displaying optionalInputMethod.');
-}).catch((err) => {
+}).catch((err: Error) => {
   console.error(`Failed to displayOptionalInputMethod: ${JSON.stringify(err)}`);
 })
 ```
\ No newline at end of file
diff --git a/zh-cn/application-dev/reference/apis/js-apis-inputmethodengine.md b/zh-cn/application-dev/reference/apis/js-apis-inputmethodengine.md
index 80aa95ce58d76312a16d53eb54a11ecfef19a09d..b45703720f190c6163b986c2dfbc013361a7ea57 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-inputmethodengine.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-inputmethodengine.md
@@ -8,7 +8,7 @@
 
 ## 导入模块
 
-```
+```ts
 import inputMethodEngine from '@ohos.inputMethodEngine';
 ```
 
@@ -68,7 +68,7 @@ getInputMethodAbility(): InputMethodAbility
 
 **示例：**
 
-```js
+```ts
 let InputMethodAbility = inputMethodEngine.getInputMethodAbility();
 ```
 
@@ -88,7 +88,7 @@ getKeyboardDelegate(): KeyboardDelegate
 
 **示例：**
 
-```js
+```ts
 let KeyboardDelegate = inputMethodEngine.getKeyboardDelegate();
 ```
 
@@ -112,7 +112,7 @@ getInputMethodEngine(): InputMethodEngine
 
 **示例：**
 
-```js
+```ts
 let InputMethodEngine = inputMethodEngine.getInputMethodEngine();
 ```
 
@@ -136,7 +136,7 @@ createKeyboardDelegate(): KeyboardDelegate
 
 **示例：**
 
-```js
+```ts
 let keyboardDelegate = inputMethodEngine.createKeyboardDelegate();
 ```
 
@@ -161,10 +161,11 @@ on(type: 'inputStart', callback: (kbController: KeyboardController, textInputCli
 
 **示例：**
 
-```js
-inputMethodEngine.getInputMethodEngine().on('inputStart', (kbController, textClient) => {
-  let keyboardController = kbController;
-  let textInputClient = textClient;
+```ts
+inputMethodEngine.getInputMethodEngine()
+  .on('inputStart', (kbController: inputMethodEngine.KeyboardController, textClient: inputMethodEngine.TextInputClient) => {
+    let keyboardController = kbController;
+    let textInputClient = textClient;
 });
 ```
 
@@ -185,9 +186,10 @@ off(type: 'inputStart', callback?: (kbController: KeyboardController, textInputC
 
 **示例：**
 
-```js
-inputMethodEngine.getInputMethodEngine().off('inputStart', (kbController, textInputClient) => {
-  console.log('delete inputStart notification.');
+```ts
+inputMethodEngine.getInputMethodEngine()
+  .off('inputStart', (kbController: inputMethodEngine.KeyboardController, textClient: inputMethodEngine.TextInputClient) => {
+    console.log('delete inputStart notification.');
 });
 ```
 
@@ -208,7 +210,7 @@ on(type: 'keyboardShow'|'keyboardHide', callback: () => void): void
 
 **示例：**
 
-```js
+```ts
 inputMethodEngine.getInputMethodEngine().on('keyboardShow', () => {
   console.log('inputMethodEngine keyboardShow.');
 });
@@ -234,7 +236,7 @@ off(type: 'keyboardShow'|'keyboardHide', callback?: () => void): void
 
 **示例：**
 
-```js
+```ts
 inputMethodEngine.getInputMethodEngine().off('keyboardShow');
 inputMethodEngine.getInputMethodEngine().off('keyboardHide');
 ```
@@ -260,10 +262,11 @@ on(type: 'inputStart', callback: (kbController: KeyboardController, inputClient:
 
 **示例：**
 
-```js
-inputMethodEngine.getInputMethodAbility().on('inputStart', (kbController, client) => {
-  let keyboardController = kbController;
-  let inputClient = client;
+```ts
+inputMethodEngine.getInputMethodAbility()
+  .on('inputStart', (kbController: inputMethodEngine.KeyboardController, client: inputMethodEngine.InputClient) => {
+    let keyboardController = kbController;
+    let inputClient = client;
 });
 ```
 
@@ -284,7 +287,7 @@ off(type: 'inputStart', callback?: (kbController: KeyboardController, inputClien
 
 **示例：**
 
-```js
+```ts
 inputMethodEngine.getInputMethodAbility().off('inputStart');
 ```
 
@@ -305,7 +308,7 @@ on(type: 'inputStop', callback: () => void): void
 
 **示例：**
 
-```js
+```ts
 inputMethodEngine.getInputMethodAbility().on('inputStop', () => {
   console.log('inputMethodAbility inputStop');
 });
@@ -328,7 +331,7 @@ off(type: 'inputStop', callback: () => void): void
 
 **示例：**
 
-```js
+```ts
 inputMethodEngine.getInputMethodAbility().off('inputStop', () => {
   console.log('inputMethodAbility delete inputStop notification.');
 });
@@ -351,8 +354,8 @@ on(type: 'setCallingWindow', callback: (wid: number) => void): void
 
 **示例：**
 
-```js
-inputMethodEngine.getInputMethodAbility().on('setCallingWindow', (wid) => {
+```ts
+inputMethodEngine.getInputMethodAbility().on('setCallingWindow', (wid: number) => {
   console.log('inputMethodAbility setCallingWindow');
 });
 ```
@@ -374,8 +377,8 @@ off(type: 'setCallingWindow', callback: (wid:number) => void): void
 
 **示例：**
 
-```js
-inputMethodEngine.getInputMethodAbility().off('setCallingWindow', (wid) => {
+```ts
+inputMethodEngine.getInputMethodAbility().off('setCallingWindow', (wid: number) => {
   console.log('inputMethodAbility delete setCallingWindow notification.');
 });
 ```
@@ -397,7 +400,7 @@ on(type: 'keyboardShow'|'keyboardHide', callback: () => void): void
 
 **示例：**
 
-```js
+```ts
 inputMethodEngine.getInputMethodAbility().on('keyboardShow', () => {
   console.log('InputMethodAbility keyboardShow.');
 });
@@ -423,7 +426,7 @@ off(type: 'keyboardShow'|'keyboardHide', callback?: () => void): void
 
 **示例：**
 
-```js
+```ts
 inputMethodEngine.getInputMethodAbility().off('keyboardShow', () => {
   console.log('InputMethodAbility delete keyboardShow notification.');
 });
@@ -449,8 +452,8 @@ on(type: 'setSubtype', callback: (inputMethodSubtype: InputMethodSubtype) => voi
 
 **示例：**
 
-```js
-inputMethodEngine.getInputMethodAbility().on('setSubtype', (inputMethodSubtype) => {
+```ts
+inputMethodEngine.getInputMethodAbility().on('setSubtype', (inputMethodSubtype: InputMethodSubtype) => {
   console.log('InputMethodAbility setSubtype.');
 });
 ```
@@ -472,7 +475,7 @@ off(type: 'setSubtype', callback?: (inputMethodSubtype: InputMethodSubtype) => v
 
 **示例：**
 
-```js
+```ts
 inputMethodEngine.getInputMethodAbility().off('setSubtype', () => {
   console.log('InputMethodAbility delete setSubtype notification.');
 });
@@ -502,20 +505,21 @@ createPanel(ctx: BaseContext, info: PanelInfo, callback: AsyncCallback\<Panel>):
 
 **示例：**
 
-```js
+```ts
 let panelInfo: inputMethodEngine.PanelInfo = {
   type: inputMethodEngine.PanelType.SOFT_KEYBOARD,
   flag: inputMethodEngine.PanelFlag.FLG_FIXED
 }
 try {
-  inputMethodEngine.getInputMethodAbility().createPanel(this.context, panelInfo, (err, panel) => {
-    if (err) {
-      console.error(`Failed to createPanel: ${JSON.stringify(err)}`);
-      return;
-    }
-    console.log('Succeed in creating panel.');
-  })
-} catch(err) {
+  inputMethodEngine.getInputMethodAbility()
+    .createPanel(this.context, panelInfo, (err: Error, panel: inputMethodEngine.Panel) => {
+      if (err) {
+        console.error(`Failed to createPanel: ${JSON.stringify(err)}`);
+        return;
+      }
+      console.log('Succeed in creating panel.');
+    })
+} catch (err) {
   console.error(`Failed to createPanel: ${JSON.stringify(err)}`);
 }
 ```
@@ -548,16 +552,17 @@ createPanel(ctx: BaseContext, info: PanelInfo): Promise\<Panel>
 
 **示例：**
 
-```js
+```ts
 let panelInfo: inputMethodEngine.PanelInfo = {
   type: inputMethodEngine.PanelType.SOFT_KEYBOARD,
   flag: inputMethodEngine.PanelFlag.FLG_FIXED
 }
-inputMethodEngine.getInputMethodAbility().createPanel(this.context, panelInfo).then((panel) => {
-  console.log('Succeed in creating panel.');
-}).catch((err) => {
-  console.error(`Failed to create panel: ${JSON.stringify(err)}`);
-})
+inputMethodEngine.getInputMethodAbility().createPanel(this.context, panelInfo)
+  .then((panel: inputMethodEngine.Panel) => {
+    console.log('Succeed in creating panel.');
+  }).catch((err: Error) => {
+    console.error(`Failed to create panel: ${JSON.stringify(err)}`);
+  })
 ```
 
 ### destroyPanel<sup>10+</sup>
@@ -577,33 +582,36 @@ destroyPanel(panel: Panel, callback: AsyncCallback\<void>): void;
 
 **示例：**
 
-```js
+```ts
 let panelInfo: inputMethodEngine.PanelInfo = {
   type: inputMethodEngine.PanelType.SOFT_KEYBOARD,
   flag: inputMethodEngine.PanelFlag.FLG_FIXED
 }
+let inputPanel: inputMethodEngine.Panel | undefined = undefined;
 try {
-  inputMethodEngine.getInputMethodAbility().createPanel(this.context, panelInfo, (err, panel) => {
-    if (err) {
-      console.error(`Failed to create panel: ${JSON.stringify(err)}`);
-      return;
-    }
-	globalThis.inputMethodPanel = panel;
-    console.log('Succeed in creating panel.');
-  })
-} catch(err) {
+  inputMethodEngine.getInputMethodAbility()
+    .createPanel(this.context, panelInfo, (err: Error, panel: inputMethodEngine.Panel) => {
+      if (err) {
+        console.error(`Failed to create panel: ${JSON.stringify(err)}`);
+        return;
+      }
+      inputPanel = panel;
+      console.log('Succeed in creating panel.');
+    })
+} catch (err) {
   console.error(`Failed to create panel: ${JSON.stringify(err)}`);
 }
-
 try {
-  inputMethodEngine.getInputMethodAbility().destroyPanel(globalThis.inputMethodPanel, (err) => {
-    if(err !== undefined) {
-      console.error(`Failed to destroy panel: ${JSON.stringify(err)}`);
-      return;
-    }
-    console.log('Succeed in destroying panel.');
-  })
-} catch(err) {
+  if (inputPanel) {
+    inputMethodEngine.getInputMethodAbility().destroyPanel(inputPanel, (err: Error) => {
+      if (err !== undefined) {
+        console.error(`Failed to destroy panel: ${JSON.stringify(err)}`);
+        return;
+      }
+      console.log('Succeed in destroying panel.');
+    })
+  }
+} catch (err) {
   console.error(`Failed to destroy panel: ${JSON.stringify(err)}`);
 }
 ```
@@ -629,30 +637,34 @@ destroyPanel(panel: Panel): Promise\<void>;
 
 **示例：**
 
-```js
+```ts
 let panelInfo: inputMethodEngine.PanelInfo = {
   type: inputMethodEngine.PanelType.SOFT_KEYBOARD,
   flag: inputMethodEngine.PanelFlag.FLG_FIXED
 }
+let inputPanel: inputMethodEngine.Panel | undefined = undefined;
 try {
-  inputMethodEngine.getInputMethodAbility().createPanel(this.context, panelInfo, (err, panel) => {
-    if (err) {
-      console.error(`Failed to create panel: ${JSON.stringify(err)}`);
-      return;
-    }
-	globalThis.inputMethodPanel = panel;
-    console.log('Succeed in creating panel.');
-  })
-} catch(err) {
+  inputMethodEngine.getInputMethodAbility()
+    .createPanel(this.context, panelInfo, (err: Error, panel: inputMethodEngine.Panel) => {
+      if (err) {
+        console.error(`Failed to create panel: ${JSON.stringify(err)}`);
+        return;
+      }
+      inputPanel = panel;
+      console.log('Succeed in creating panel.');
+    })
+} catch (err) {
   console.error(`Failed to create panel: ${JSON.stringify(err)}`);
 }
 
 try {
-  inputMethodEngine.getInputMethodAbility().destroyPanel(globalThis.inputMethodPanel).then(() => {
-    console.log('Succeed in destroying panel.');
-  }).catch((err) => {
-    console.error(`Failed to destroy panel: ${JSON.stringify(err)}`);
-  });
+  if (inputPanel) {
+    inputMethodEngine.getInputMethodAbility().destroyPanel(inputPanel).then(() => {
+      console.log('Succeed in destroying panel.');
+    }).catch((err: Error) => {
+      console.error(`Failed to destroy panel: ${JSON.stringify(err)}`);
+    });
+  }
 } catch (err) {
   console.error(`Failed to destroy panel: ${JSON.stringify(err)}`);
 }
@@ -679,13 +691,13 @@ on(type: 'keyDown'|'keyUp', callback: (event: KeyEvent) => boolean): void
 
 **示例：**
 
-```js
-inputMethodEngine.getKeyboardDelegate().on('keyUp', (keyEvent) => {
+```ts
+inputMethodEngine.getKeyboardDelegate().on('keyUp', (keyEvent: inputMethodEngine.KeyEvent) => {
   console.log('inputMethodEngine keyCode.(keyUp):' + JSON.stringify(keyEvent.keyCode));
   console.log('inputMethodEngine keyAction.(keyUp):' + JSON.stringify(keyEvent.keyAction));
   return true;
 });
-inputMethodEngine.getKeyboardDelegate().on('keyDown', (keyEvent) => {
+inputMethodEngine.getKeyboardDelegate().on('keyDown', (keyEvent: inputMethodEngine.KeyEvent) => {
   console.log('inputMethodEngine keyCode.(keyDown):' + JSON.stringify(keyEvent.keyCode));
   console.log('inputMethodEngine keyAction.(keyDown):' + JSON.stringify(keyEvent.keyAction));
   return true;
@@ -709,12 +721,12 @@ off(type: 'keyDown'|'keyUp', callback?: (event: KeyEvent) => boolean): void
 
 **示例：**
 
-```js
-inputMethodEngine.getKeyboardDelegate().off('keyUp', (keyEvent) => {
+```ts
+inputMethodEngine.getKeyboardDelegate().off('keyUp', (keyEvent: inputMethodEngine.KeyEvent) => {
   console.log('delete keyUp notification.');
   return true;
 });
-inputMethodEngine.getKeyboardDelegate().off('keyDown', (keyEvent) => {
+inputMethodEngine.getKeyboardDelegate().off('keyDown', (keyEvent: inputMethodEngine.KeyEvent) => {
   console.log('delete keyDown notification.');
   return true;
 });
@@ -737,8 +749,8 @@ on(type: 'keyEvent', callback: (event: InputKeyEvent) => boolean): void
 
 **示例：**
 
-```js
-inputMethodEngine.getKeyboardDelegate().on('keyEvent', (keyEvent) => {
+```ts
+inputMethodEngine.getKeyboardDelegate().on('keyEvent', (keyEvent: InputKeyEvent) => {
   console.log('inputMethodEngine keyEvent.action:' + JSON.stringify(keyEvent.action));
   console.log('inputMethodEngine keyEvent.key.code:' + JSON.stringify(keyEvent.key.code));
   console.log('inputMethodEngine keyEvent.ctrlKey:' + JSON.stringify(keyEvent.ctrlKey));
@@ -763,8 +775,8 @@ off(type: 'keyEvent', callback?: (event: InputKeyEvent) => boolean): void
 
 **示例：**
 
-```js
-inputMethodEngine.getKeyboardDelegate().off('keyEvent', (keyEvent) => {
+```ts
+inputMethodEngine.getKeyboardDelegate().off('keyEvent', (keyEvent: InputKeyEvent) => {
   console.log('This is a callback function which will be deregistered.');
   return true;
 });
@@ -788,8 +800,8 @@ on(type: 'cursorContextChange', callback: (x: number, y:number, height:number) =
 
 **示例：**
 
-```js
-inputMethodEngine.getKeyboardDelegate().on('cursorContextChange', (x, y, height) => {
+```ts
+inputMethodEngine.getKeyboardDelegate().on('cursorContextChange', (x: number, y: number, height: number) => {
   console.log('inputMethodEngine cursorContextChange x:' + x);
   console.log('inputMethodEngine cursorContextChange y:' + y);
   console.log('inputMethodEngine cursorContextChange height:' + height);
@@ -814,8 +826,8 @@ off(type: 'cursorContextChange', callback?: (x: number, y: number, height: numbe
 
   **示例：**
 
-```js
-inputMethodEngine.getKeyboardDelegate().off('cursorContextChange', (x, y, height) => {
+```ts
+inputMethodEngine.getKeyboardDelegate().off('cursorContextChange', (x: number, y: number, height: number) => {
   console.log('delete cursorContextChange notification.');
 });
 ```
@@ -836,13 +848,14 @@ on(type: 'selectionChange', callback: (oldBegin: number, oldEnd: number, newBegi
 
 **示例：**
 
-```js
-inputMethodEngine.getKeyboardDelegate().on('selectionChange', (oldBegin, oldEnd, newBegin, newEnd) => {
-  console.log('inputMethodEngine beforeEach selectionChange oldBegin:' + oldBegin);
-  console.log('inputMethodEngine beforeEach selectionChange oldEnd:' + oldEnd);
-  console.log('inputMethodEngine beforeEach selectionChange newBegin:' + newBegin);
-  console.log('inputMethodEngine beforeEach selectionChange newEnd:' + newEnd);
-});
+```ts
+inputMethodEngine.getKeyboardDelegate()
+  .on('selectionChange', (oldBegin: number, oldEnd: number, newBegin: number, newEnd: number) => {
+    console.log('inputMethodEngine beforeEach selectionChange oldBegin:' + oldBegin);
+    console.log('inputMethodEngine beforeEach selectionChange oldEnd:' + oldEnd);
+    console.log('inputMethodEngine beforeEach selectionChange newBegin:' + newBegin);
+    console.log('inputMethodEngine beforeEach selectionChange newEnd:' + newEnd);
+  });
 ```
 
 ### off('selectionChange')
@@ -862,10 +875,11 @@ off(type: 'selectionChange', callback?: (oldBegin: number, oldEnd: number, newBe
 
 **示例：**
 
-```js
-inputMethodEngine.getKeyboardDelegate().off('selectionChange', (oldBegin, oldEnd, newBegin, newEnd) => {
-  console.log('delete selectionChange notification.');
-});
+```ts
+inputMethodEngine.getKeyboardDelegate()
+  .off('selectionChange', (oldBegin: number, oldEnd: number, newBegin: number, newEnd: number)  => {
+    console.log('delete selectionChange notification.');
+  });
 ```
 
 
@@ -886,8 +900,8 @@ on(type: 'textChange', callback: (text: string) => void): void
 
 **示例：**
 
-```js
-inputMethodEngine.getKeyboardDelegate().on('textChange', (text) => {
+```ts
+inputMethodEngine.getKeyboardDelegate().on('textChange', (text: string) => {
   console.log('inputMethodEngine textChange. text:' + text);
 });
 ```
@@ -909,8 +923,8 @@ off(type: 'textChange', callback?: (text: string) => void): void
 
 **示例：**
 
-```js
-inputMethodEngine.getKeyboardDelegate().off('textChange', (text) => {
+```ts
+inputMethodEngine.getKeyboardDelegate().off('textChange', (text: string) => {
   console.log('delete textChange notification. text:' + text);
 });
 ```
@@ -932,8 +946,8 @@ on(type: 'editorAttributeChanged', callback: (attr: EditorAttribute) => void): v
 
 **示例：**
 
-```js
-inputMethodEngine.getKeyboardDelegate().on('editorAttributeChanged', (attr) => {
+```ts
+inputMethodEngine.getKeyboardDelegate().on('editorAttributeChanged', (attr: inputMethodEngine.EditorAttribute) => {
   console.log(`Succeeded in receiving attribute of editor, inputPattern = ${attr.inputPattern}, enterKeyType = ${attr.enterKeyType}`);
 });
 ```
@@ -955,7 +969,7 @@ off(type: 'editorAttributeChanged', callback?: (attr: EditorAttribute) => void):
 
 **示例：**
 
-```js
+```ts
 inputMethodEngine.getKeyboardDelegate().off('editorAttributeChanged');
 ```
 
@@ -980,9 +994,9 @@ setUiContent(path: string, callback: AsyncCallback\<void>): void
 
 **示例：**
 
-```js
+```ts
 try {
-  panel.setUiContent('pages/page2/page2', (err) => {
+  panel.setUiContent('pages/page2/page2', (err: Error) => {
     if (err) {
       console.error(`Failed to setUiContent: ${JSON.stringify(err)}`);
       return;
@@ -1016,12 +1030,11 @@ setUiContent(path: string): Promise\<void>
 
 **示例：**
 
-```js
+```ts
 try {
-  let promise = panel.setUiContent('pages/page2/page2');
-  promise.then(() => {
+  panel.setUiContent('pages/page2/page2').then(() => {
     console.log('Succeeded in setting the content.');
-  }).catch((err) =>{
+  }).catch((err: Error) => {
     console.error(`Failed to setUiContent: ${JSON.stringify(err)}`);
   });
 } catch (err) {
@@ -1047,11 +1060,11 @@ setUiContent(path: string, storage: LocalStorage, callback: AsyncCallback\<void>
 
 **示例：**
 
-```js
+```ts
 let storage = new LocalStorage();
 storage.setOrCreate('storageSimpleProp',121);
 try {
-  panel.setUiContent('pages/page2/page2', storage, (err) => {
+  panel.setUiContent('pages/page2/page2', storage, (err: Error) => {
     if (err) {
       console.error(`Failed to setUiContent: ${JSON.stringify(err)}`);
       return;
@@ -1086,14 +1099,13 @@ setUiContent(path: string, storage: LocalStorage): Promise\<void>
 
 **示例：**
 
-```js
+```ts
 let storage = new LocalStorage();
 storage.setOrCreate('storageSimpleProp',121);
 try {
-  let promise = panel.setUiContent('pages/page2/page2');
-  promise.then(() => {
+  panel.setUiContent('pages/page2/page2')then(() => {
     console.log('Succeeded in setting the content.');
-  }).catch((err) =>{
+  }).catch((err: Error) => {
     console.error(`Failed to setUiContent: ${JSON.stringify(err)}`);
   });
 } catch (err) {
@@ -1123,9 +1135,9 @@ resize(width: number, height: number, callback: AsyncCallback\<void>): void
 
 **示例：**
 
-```js
+```ts
 try {
-  panel.resize(500, 1000, (err) => {
+  panel.resize(500, 1000, (err: Error) => {
     if (err) {
       console.error(`Failed to resize panel: ${JSON.stringify(err)}`);
       return;
@@ -1164,12 +1176,11 @@ resize(width: number, height: number): Promise\<void>;
 
 **示例：**
 
-```js
+```ts
 try {
-  let promise = panel.resize(500, 1000);
-  promise.then(() => {
+  panel.resize(500, 1000).then(() => {
     console.log('Succeeded in changing the panel size.');
-  }).catch((err) =>{
+  }).catch((err: Error) => {
     console.error(`Failed to resize panel: ${JSON.stringify(err)}`);
   });
 } catch (err) {
@@ -1195,9 +1206,9 @@ moveTo(x: number, y: number, callback: AsyncCallback\<void>): void
 
 **示例：**
 
-```js
+```ts
 try {
-  panel.moveTo(300, 300, (err) =>{
+  panel.moveTo(300, 300, (err: Error) =>{
     if (err) {
       console.error(`Failed to move panel: ${JSON.stringify(err)}`);
       return;
@@ -1232,12 +1243,11 @@ moveTo(x: number, y: number): Promise\<void>
 
 **示例：**
 
-```js
+```ts
 try {
-  let promise = panel.moveTo(300, 300);
-  promise.then(() => {
+  panel.moveTo(300, 300).then(() => {
     console.log('Succeeded in moving the panel.');
-  }).catch((err) =>{
+  }).catch((err: Error) => {
     console.error(`Failed to move panel: ${JSON.stringify(err)}`);
   });
 } catch (err) {
@@ -1261,8 +1271,8 @@ show(callback: AsyncCallback\<void>): void
 
 **示例：**
 
-```js
-panel.show((err) => {
+```ts
+panel.show((err: Error) => {
   if (err) {
     console.error(`Failed to show panel: ${JSON.stringify(err)}`);
     return;
@@ -1287,11 +1297,10 @@ show(): Promise\<void>
 
 **示例：**
 
-```js
-let promise = panel.show();
-promise.then(() => {
+```ts
+panel.show().then(() => {
   console.log('Succeeded in showing the panel.');
-}).catch((err) =>{
+}).catch((err: Error) => {
   console.error(`Failed to show panel: ${JSON.stringify(err)}`);
 });
 ```
@@ -1312,8 +1321,8 @@ hide(callback: AsyncCallback\<void>): void
 
 **示例：**
 
-```js
-panel.hide((err) => {
+```ts
+panel.hide((err: Error) => {
   if (err) {
     console.error(`Failed to hide panel: ${JSON.stringify(err)}`);
     return;
@@ -1338,11 +1347,10 @@ hide(): Promise\<void>
 
 **示例：**
 
-```js
-let promise = panel.hide();
-promise.then(() => {
+```ts
+panel.hide().then(() => {
   console.log('Succeeded in hiding the panel.');
-}).catch((err) =>{
+}).catch((err: Error) => {
   console.error(`Failed to hide panel: ${JSON.stringify(err)}`);
 });
 ```
@@ -1364,7 +1372,7 @@ on(type: 'show', callback: () => void): void
 
 **示例：**
 
-```js
+```ts
 panel.on('show', () => {
   console.log('Panel is showing.');
 });
@@ -1387,7 +1395,7 @@ on(type: 'hide', callback: () => void): void
 
 **示例：**
 
-```js
+```ts
 panel.on('hide', () => {
   console.log('Panel is hiding.');
 });
@@ -1410,7 +1418,7 @@ off(type: 'show', callback?: () => void): void
 
 **示例：**
 
-```js
+```ts
 panel.off('show');
 ```
 
@@ -1431,7 +1439,7 @@ off(type: 'hide', callback?: () => void): void
 
 **示例：**
 
-```js
+```ts
 panel.off('hide');
 ```
 
@@ -1451,7 +1459,7 @@ changeFlag(flag: PanelFlag): void
 
 **示例：**
 
-```js
+```ts
 let panelFlag = inputMethodEngine.PanelFlag.FLG_FIXED;
 panel.changeFlag(panelFlag);
 ```
@@ -1484,8 +1492,8 @@ hide(callback: AsyncCallback&lt;void&gt;): void
 
 **示例：**
 
-```js
-keyboardController.hide((err) => {
+```ts
+keyboardController.hide((err: Error) => {
   if (err) {
     console.error(`Failed to hide: ${JSON.stringify(err)}`);
     return;
@@ -1518,10 +1526,10 @@ hide(): Promise&lt;void&gt;
 
 **示例：**
 
-```js
+```ts
 keyboardController.hide().then(() => {
   console.log('Succeeded in hiding keyboard.');
-}).catch((err) => {
+}).catch((err: Error) => {
   console.log(`Failed to hide: ${JSON.stringify(err)}`);
 });
 ```
@@ -1546,8 +1554,8 @@ hideKeyboard(callback: AsyncCallback&lt;void&gt;): void
 
 **示例：**
 
-```js
-keyboardController.hideKeyboard((err) => {
+```ts
+keyboardController.hideKeyboard((err: Error) => {
   if (err) {
     console.error(`Failed to hideKeyboard: ${JSON.stringify(err)}`);
     return;
@@ -1576,10 +1584,10 @@ hideKeyboard(): Promise&lt;void&gt;
 
 **示例：**
 
-```js
+```ts
 keyboardController.hideKeyboard().then(() => {
   console.log('Succeeded in hiding keyboard.');
-}).catch((err) => {
+}).catch((err: Error) => {
   console.log(`Failed to hideKeyboard: ${JSON.stringify(err)}`);
 });
 ```
@@ -1660,10 +1668,10 @@ sendKeyFunction(action:number, callback: AsyncCallback&lt;boolean&gt;): void
 
  **示例：**
 
-```js
+```ts
 let action = 1;
 try {
-  inputClient.sendKeyFunction(action, (err, result) => {
+  inputClient.sendKeyFunction(action, (err: Error, result: boolean) => {
     if (err) {
       console.error(`Failed to sendKeyFunction: ${JSON.stringify(err)}`);
       return;
@@ -1709,16 +1717,16 @@ sendKeyFunction(action: number): Promise&lt;boolean&gt;
 
 **示例：**
 
-```js
+```ts
 let action = 1;
 try {
-  inputClient.sendKeyFunction(action).then((result) => {
+  inputClient.sendKeyFunction(action).then((result: boolean) => {
     if (result) {
       console.log('Succeeded in sending key function.');
     } else {
       console.error('Failed to sendKeyFunction.');
     }
-  }).catch((err) => {
+  }).catch((err: Error) => {
     console.error(`Failed to sendKeyFunction: ${JSON.stringify(err)}`);
   });
 } catch (err) {
@@ -1752,10 +1760,10 @@ getForward(length:number, callback: AsyncCallback&lt;string&gt;): void
 
 **示例：**
 
-```js
+```ts
 let length = 1;
 try {
-  inputClient.getForward(length, (err, text) => {
+  inputClient.getForward(length, (err: Error, text: string) => {
     if (err) {
       console.error(`Failed to getForward: ${JSON.stringify(err)}`);
       return;
@@ -1798,12 +1806,12 @@ getForward(length:number): Promise&lt;string&gt;
 
 **示例：**
 
-```js
+```ts
 let length = 1;
 try {
-  inputClient.getForward(length).then((text) => {
+  inputClient.getForward(length).then((text: string) => {
     console.log('Succeeded in getting forward, text: ' + text);
-  }).catch((err) => {
+  }).catch((err: Error) => {
     console.error(`Failed to getForward: ${JSON.stringify(err)}`);
   });
 } catch (err) {
@@ -1842,10 +1850,10 @@ getForwardSync(length:number): string
 
 **示例：**
 
-```js
+```ts
 let length = 1;
 try {
-  let text = inputClient.getForwardSync(length);
+  let text: string = inputClient.getForwardSync(length);
   console.log(`Succeeded in getting forward, text: ${text}`);
 } catch (err) {
   console.error(`Failed to getForwardSync: ${JSON.stringify(err)}`);
@@ -1878,10 +1886,10 @@ getBackward(length:number, callback: AsyncCallback&lt;string&gt;): void
 
 **示例：**
 
-```js
+```ts
 let length = 1;
 try {
-  inputClient.getBackward(length, (err, text) => {
+  inputClient.getBackward(length, (err: Error, text: string) => {
     if (err) {
       console.error(`Failed to getBackward: ${JSON.stringify(err)}`);
       return;
@@ -1924,12 +1932,12 @@ getBackward(length:number): Promise&lt;string&gt;
 
 **示例：**
 
-```js
+```ts
 let length = 1;
 try {
-  inputClient.getBackward(length).then((text) => {
+  inputClient.getBackward(length).then((text: string) => {
     console.log('Succeeded in getting backward, text: ' + text);
-  }).catch((err) => {
+  }).catch((err: Error) => {
     console.error(`Failed to getBackward: ${JSON.stringify(err)}`);
   });
 } catch (err) {
@@ -1968,10 +1976,10 @@ getBackwardSync(length:number): string
 
 **示例：**
 
-```js
+```ts
 let length = 1;
 try {
-  let text = inputClient.getBackwardSync(length);
+  let text: string = inputClient.getBackwardSync(length);
   console.log(`Succeeded in getting backward, text: ${text}`);
 } catch (err) {
   console.error(`Failed to getBackwardSync: ${JSON.stringify(err)}`);
@@ -2004,10 +2012,10 @@ deleteForward(length:number, callback: AsyncCallback&lt;boolean&gt;): void
 
 **示例：**
 
-```js
+```ts
 let length = 1;
 try {
-  inputClient.deleteForward(length, (err, result) => {
+  inputClient.deleteForward(length, (err: Error, result: boolean) => {
     if (err) {
       console.error(`Failed to deleteForward: ${JSON.stringify(err)}`);
       return;
@@ -2054,16 +2062,16 @@ deleteForward(length:number): Promise&lt;boolean&gt;
 
 **示例：**
 
-```js
+```ts
 let length = 1;
 try {
-  inputClient.deleteForward(length).then((result) => {
+  inputClient.deleteForward(length).then((result: boolean) => {
     if (result) {
       console.log('Succeeded in deleting forward.');
     } else {
       console.error('Failed to delete Forward.');
     }
-  }).catch((err) => {
+  }).catch((err: Error) => {
     console.error(`Failed to deleteForward: ${JSON.stringify(err)}`);
   });
 } catch (err) {
@@ -2096,7 +2104,7 @@ deleteForwardSync(length:number): void
 
 **示例：**
 
-```js
+```ts
 let length = 1;
 try {
   inputClient.deleteForwardSync(length);
@@ -2132,10 +2140,10 @@ deleteBackward(length:number, callback: AsyncCallback&lt;boolean&gt;): void
 
 **示例：**
 
-```js
+```ts
 let length = 1;
 try {
-  inputClient.deleteBackward(length, (err, result) => {
+  inputClient.deleteBackward(length, (err: Error, result: boolean) => {
     if (err) {
       console.error(`Failed to deleteBackward: ${JSON.stringify(err)}`);
       return;
@@ -2182,15 +2190,15 @@ deleteBackward(length:number): Promise&lt;boolean&gt;
 
 **示例：**
 
-```js
+```ts
 let length = 1;
-inputClient.deleteBackward(length).then((result) => {
+inputClient.deleteBackward(length).then((result: boolean) => {
   if (result) {
     console.log('Succeeded in deleting backward.');
   } else {
     console.error('Failed to deleteBackward.');
   }
-}).catch((err) => {
+}).catch((err: Error) => {
   console.error(`Failed to deleteBackward: ${JSON.stringify(err)}`);
 });
 ```
@@ -2220,7 +2228,7 @@ deleteBackwardSync(length:number): void
 
 **示例：**
 
-```js
+```ts
 let length = 1;
 try {
   inputClient.deleteBackwardSync(length);
@@ -2256,8 +2264,8 @@ insertText(text:string, callback: AsyncCallback&lt;boolean&gt;): void
 
 **示例：**
 
-```js
-inputClient.insertText('test', (err, result) => {
+```ts
+inputClient.insertText('test', (err: Error, result: boolean) => {
   if (err) {
     console.error(`Failed to insertText: ${JSON.stringify(err)}`);
     return;
@@ -2301,15 +2309,15 @@ insertText(text:string): Promise&lt;boolean&gt;
 
 **示例：**
 
-```js
+```ts
 try {
-  inputClient.insertText('test').then((result) => {
+  inputClient.insertText('test').then((result: boolean) => {
     if (result) {
       console.log('Succeeded in inserting text.');
     } else {
       console.error('Failed to insertText.');
     }
-  }).catch((err) => {
+  }).catch((err: Error) => {
     console.error(`Failed to insertText: ${JSON.stringify(err)}`);
   });
 } catch (err) {
@@ -2342,7 +2350,7 @@ insertTextSync(text: string): void
 
 **示例：**
 
-```js
+```ts
 try {
   inputClient.insertTextSync('test');
   console.log('Succeeded in inserting text.');
@@ -2375,8 +2383,8 @@ getEditorAttribute(callback: AsyncCallback&lt;EditorAttribute&gt;): void
 
 **示例：**
 
-```js
-inputClient.getEditorAttribute((err, editorAttribute) => {
+```ts
+inputClient.getEditorAttribute((err: Error, editorAttribute: inputMethodEngine.EditorAttribute) => {
   if (err) {
     console.error(`Failed to getEditorAttribute: ${JSON.stringify(err)}`);
     return;
@@ -2410,11 +2418,11 @@ getEditorAttribute(): Promise&lt;EditorAttribute&gt;
 
 **示例：**
 
-```js
-inputClient.getEditorAttribute().then((editorAttribute) => {
+```ts
+inputClient.getEditorAttribute().then((editorAttribute: inputMethodEngine.EditorAttribute) => {
   console.log('editorAttribute.inputPattern: ' + JSON.stringify(editorAttribute.inputPattern));
   console.log('editorAttribute.enterKeyType: ' + JSON.stringify(editorAttribute.enterKeyType));
-}).catch((err) => {
+}).catch((err: Error) => {
   console.error(`Failed to getEditorAttribute: ${JSON.stringify(err)}`);
 });
 ```
@@ -2443,9 +2451,9 @@ getEditorAttributeSync(): EditorAttribute
 
 **示例：**
 
-```js
+```ts
 try {
-  let editorAttribute = inputClient.getEditorAttributeSync();
+  let editorAttribute: inputMethodEngine.EditorAttribute = inputClient.getEditorAttributeSync();
   console.log(`Succeeded in getEditorAttributeSync, editorAttribute = ${JSON.stringify(editorAttribute)}`);
 } catch (err) {
   console.error(`Failed to getEditorAttributeSync: ${JSON.stringify(err)}`);
@@ -2477,9 +2485,9 @@ moveCursor(direction: number, callback: AsyncCallback&lt;void&gt;): void
 
 **示例：**
 
-```js
+```ts
 try {
-  inputClient.moveCursor(inputMethodEngine.CURSOR_UP, (err) => {
+  inputClient.moveCursor(inputMethodEngine.Direction.CURSOR_UP, (err: Error) => {
     if (err) {
       console.error(`Failed to moveCursor: ${JSON.stringify(err)}`);
       return;
@@ -2521,11 +2529,11 @@ moveCursor(direction: number): Promise&lt;void&gt;
 
 **示例：**
 
-```js
+```ts
 try {
-  inputClient.moveCursor(inputMethodEngine.CURSOR_UP).then(() => {
+  inputClient.moveCursor(inputMethodEngine.Direction.CURSOR_UP).then(() => {
     console.log('Succeeded in moving cursor.');
-  }).catch((err) => {
+  }).catch((err: Error) => {
     console.error(`Failed to moveCursor: ${JSON.stringify(err)}`);
   });
 } catch (err) {
@@ -2557,7 +2565,7 @@ moveCursorSync(direction: number): void
 
 **示例：**
 
-```js
+```ts
 try {
   inputClient.moveCursorSync(inputMethodEngine.Direction.CURSOR_UP);
   console.log('Succeeded in moving cursor.');
@@ -2592,9 +2600,10 @@ selectByRange(range: Range, callback: AsyncCallback&lt;void&gt;): void
 
 **示例：**
 
-```js
+```ts
 try {
-  inputClient.selectByRange({start: 0, end: 1}, (err) => {
+  let range: inputMethodEngine.Range = { start: 0, end: 1 };
+  inputClient.selectByRange(range, (err: Error) => {
     if (err) {
       console.error(`Failed to selectByRange: ${JSON.stringify(err)}`);
       return;
@@ -2637,11 +2646,12 @@ selectByRange(range: Range): Promise&lt;void&gt;
 
 **示例：**
 
-```js
+```ts
 try {
-  inputClient.selectByRange({start: 0, end:1}).then(() => {
+  let range: inputMethodEngine.Range = { start: 0, end: 1 };
+  inputClient.selectByRange(range).then(() => {
     console.log('Succeeded in selecting by range.');
-  }).catch((err) => {
+  }).catch((err: Error) => {
     console.error(`Failed to selectByRange: ${JSON.stringify(err)}`);
   });
 } catch (err) {
@@ -2674,9 +2684,10 @@ selectByRangeSync(range: Range): void
 
 **示例：**
 
-```js
+```ts
 try {
-  inputClient.selectByRangeSync({start: 0, end: 1});
+  let range: inputMethodEngine.Range = { start: 0, end: 1 };
+  inputClient.selectByRangeSync(range);
   console.log('Succeeded in selecting by range.');
 } catch (err) {
   console.error(`Failed to selectByRangeSync: ${JSON.stringify(err)}`);
@@ -2709,9 +2720,10 @@ selectByMovement(movement: Movement, callback: AsyncCallback&lt;void&gt;): void
 
 **示例：**
 
-```js
+```ts
 try {
-  inputClient.selectByMovement({direction: 1}, (err) => {
+  let movement: inputMethodEngine.Movement = { direction: 1 };
+  inputClient.selectByMovement(movement, (err: Error) => {
     if (err) {
       console.error(`Failed to selectByMovement: ${JSON.stringify(err)}`);
       return;
@@ -2754,11 +2766,12 @@ selectByMovement(movement: Movement): Promise&lt;void&gt;
 
 **示例：**
 
-```js
+```ts
 try {
-  inputClient.selectByMovement({direction: 1}).then(() => {
+  let movement: inputMethodEngine.Movement = { direction: 1 };
+  inputClient.selectByMovement(movement).then(() => {
     console.log('Succeeded in selecting by movement.');
-  }).catch((err) => {
+  }).catch((err: Error) => {
     console.error(`Failed to selectByMovement: ${JSON.stringify(err)}`);
   });
 } catch (err) {
@@ -2791,9 +2804,10 @@ selectByMovementSync(movement: Movement): void
 
 **示例：**
 
-```js
+```ts
 try {
-  inputClient.selectByMovementSync({direction: 1});
+  let movement: inputMethodEngine.Movement = { direction: 1 };  
+  inputClient.selectByMovementSync(movement);
   console.log('Succeeded in selecting by movement.');
 } catch (err) {
   console.error(`Failed to selectByMovement: ${JSON.stringify(err)}`);
@@ -2825,8 +2839,8 @@ getTextIndexAtCursor(callback: AsyncCallback&lt;number&gt;): void
 
 **示例：**
 
-```js
-inputClient.getTextIndexAtCursor((err, index) => {
+```ts
+inputClient.getTextIndexAtCursor((err: Error, index: number) => {
   if (err) {
     console.error(`Failed to getTextIndexAtCursor: ${JSON.stringify(err)}`);
     return;
@@ -2860,10 +2874,10 @@ getTextIndexAtCursor(): Promise&lt;number&gt;
 
 **示例：**
 
-```js
-inputClient.getTextIndexAtCursor().then((index) => {
+```ts
+inputClient.getTextIndexAtCursor().then((index: number) => {
   console.log('Succeeded in getTextIndexAtCursor: ' + index);
-}).catch((err) => {
+}).catch((err: Error) => {
   console.error(`Failed to getTextIndexAtCursor: ${JSON.stringify(err)}`);
 });
 ```
@@ -2893,9 +2907,9 @@ getTextIndexAtCursorSync(): number
 
 **示例：**
 
-```js
+```ts
 try{
-  let index = inputClient.getTextIndexAtCursorSync();
+  let index: number = inputClient.getTextIndexAtCursorSync();
   console.log(`Succeeded in getTextIndexAtCursorSync, index: ${index}`);
 } catch (err) {
   console.error(`Failed to getTextIndexAtCursorSync: ${JSON.stringify(err)}`);
@@ -2932,9 +2946,9 @@ sendExtendAction(action: ExtendAction, callback: AsyncCallback&lt;void&gt;): voi
 
 **示例：**
 
-```js
+```ts
 try {
-  inputClient.sendExtendAction(inputMethodEngine.ExtendAction.COPY, (err) => {
+  inputClient.sendExtendAction(inputMethodEngine.ExtendAction.COPY, (err: Error) => {
     if (err) {
       console.error(`Failed to sendExtendAction: ${JSON.stringify(err)}`);
       return;
@@ -2981,11 +2995,11 @@ sendExtendAction(action: ExtendAction): Promise&lt;void&gt;
 
 **示例：**
 
-```js
+```ts
 try {
   inputClient.sendExtendAction(inputMethodEngine.ExtendAction.COPY).then(() => {
     console.log('Succeeded in sending extend action.');
-  }).catch((err) => {
+  }).catch((err: Error) => {
     console.error(`Failed to sendExtendAction: ${JSON.stringify(err)}`);
   });
 } catch(err) {
@@ -3077,9 +3091,9 @@ getForward(length:number, callback: AsyncCallback&lt;string&gt;): void
 
 **示例：**
 
-```js
+```ts
 let length = 1;
-textInputClient.getForward(length, (err, text) => {
+textInputClient.getForward(length, (err: Error, text: string) => {
   if (err) {
     console.error(`Failed to getForward: ${JSON.stringify(err)}`);
     return;
@@ -3114,11 +3128,11 @@ getForward(length:number): Promise&lt;string&gt;
 
 **示例：**
 
-```js
+```ts
 let length = 1;
-textInputClient.getForward(length).then((text) => {
+textInputClient.getForward(length).then((text: string) => {
   console.log('Succeeded in getting forward, text: ' + text);
-}).catch((err) => {
+}).catch((err: Error) => {
   console.error(`Failed to getForward: ${JSON.stringify(err)}`);
 });
 ```
@@ -3144,9 +3158,9 @@ getBackward(length:number, callback: AsyncCallback&lt;string&gt;): void
 
 **示例：**
 
-```js
+```ts
 let length = 1;
-textInputClient.getBackward(length, (err, text) => {
+textInputClient.getBackward(length, (err: Error, text: string) => {
   if (err) {
     console.error(`Failed to getBackward: ${JSON.stringify(err)}`);
     return;
@@ -3181,11 +3195,11 @@ getBackward(length:number): Promise&lt;string&gt;
 
 **示例：**
 
-```js
+```ts
 let length = 1;
-textInputClient.getBackward(length).then((text) => {
+textInputClient.getBackward(length).then((text: string) => {
   console.log('Succeeded in getting backward: ' + JSON.stringify(text));
-}).catch((err) => {
+}).catch((err: Error) => {
   console.error(`Failed to getBackward: ${JSON.stringify(err)}`);
 });
 ```
@@ -3211,9 +3225,9 @@ deleteForward(length:number, callback: AsyncCallback&lt;boolean&gt;): void
 
 **示例：**
 
-```js
+```ts
 let length = 1;
-textInputClient.deleteForward(length, (err, result) => {
+textInputClient.deleteForward(length, (err: Error, result: boolean) => {
   if (err) {
     console.error(`Failed to deleteForward: ${JSON.stringify(err)}`);
     return;
@@ -3252,15 +3266,15 @@ deleteForward(length:number): Promise&lt;boolean&gt;
 
 **示例：**
 
-```js
+```ts
 let length = 1;
-textInputClient.deleteForward(length).then((result) => {
+textInputClient.deleteForward(length).then((result: boolean) => {
   if (result) {
     console.log('Succeeded in deleting forward.');
   } else {
     console.error('Failed to delete forward.');
   }
-}).catch((err) => {
+}).catch((err: Error) => {
   console.error(`Failed to deleteForward: ${JSON.stringify(err)}`);
 });
 ```
@@ -3286,9 +3300,9 @@ deleteBackward(length:number, callback: AsyncCallback&lt;boolean&gt;): void
 
 **示例：**
 
-```js
+```ts
 let length = 1;
-textInputClient.deleteBackward(length, (err, result) => {
+textInputClient.deleteBackward(length, (err: Error, result: boolean) => {
   if (err) {
     console.error(`Failed to deleteBackward: ${JSON.stringify(err)}`);
     return;
@@ -3327,15 +3341,15 @@ deleteBackward(length:number): Promise&lt;boolean&gt;
 
 **示例：**
 
-```js
+```ts
 let length = 1;
-textInputClient.deleteBackward(length).then((result) => {
+textInputClient.deleteBackward(length).then((result: boolean) => {
   if (result) {
     console.log('Succeeded in deleting backward.');
   } else {
     console.error('Failed to deleteBackward.');
   }
-}).catch((err) => {
+}).catch((err: Error) => {
   console.error(`Failed to deleteBackward: ${JSON.stringify(err)}`);
 });
 ```
@@ -3360,9 +3374,9 @@ sendKeyFunction(action: number, callback: AsyncCallback&lt;boolean&gt;): void
 
 **示例：**
 
-```js
+```ts
 let action = 1;
-textInputClient.sendKeyFunction(action, (err, result) => {
+textInputClient.sendKeyFunction(action, (err: Error, result: boolean) => {
   if (err) {
     console.error(`Failed to sendKeyFunction: ${JSON.stringify(err)}`);
     return;
@@ -3401,15 +3415,15 @@ sendKeyFunction(action: number): Promise&lt;boolean&gt;
 
 **示例：**
 
-```js
+```ts
 let action = 1;
-textInputClient.sendKeyFunction(action).then((result) => {
+textInputClient.sendKeyFunction(action).then((result: boolean) => {
   if (result) {
     console.log('Succeeded in sending key function.');
   } else {
     console.error('Failed to sendKeyFunction.');
   }
-}).catch((err) => {
+}).catch((err: Error) => {
   console.error(`Failed to sendKeyFunction: ${JSON.stringify(err)}`);
 });
 ```
@@ -3435,8 +3449,8 @@ insertText(text:string, callback: AsyncCallback&lt;boolean&gt;): void
 
 **示例：**
 
-```js
-textInputClient.insertText('test', (err, result) => {
+```ts
+textInputClient.insertText('test', (err: Error, result: boolean) => {
   if (err) {
     console.error(`Failed to insertText: ${JSON.stringify(err)}`);
     return;
@@ -3475,14 +3489,14 @@ insertText(text:string): Promise&lt;boolean&gt;
 
 **示例：**
 
-```js
-textInputClient.insertText('test').then((result) => {
+```ts
+textInputClient.insertText('test').then((result: boolean) => {
   if (result) {
     console.log('Succeeded in inserting text.');
   } else {
     console.error('Failed to insertText.');
   }
-}).catch((err) => {
+}).catch((err: Error) => {
   console.error(`Failed to insertText: ${JSON.stringify(err)}`);
 });
 ```
@@ -3507,8 +3521,8 @@ getEditorAttribute(callback: AsyncCallback&lt;EditorAttribute&gt;): void
 
 **示例：**
 
-```js
-textInputClient.getEditorAttribute((err, editorAttribute) => {
+```ts
+textInputClient.getEditorAttribute((err: Error, editorAttribute: inputMethodEngine.EditorAttribute) => {
   if (err) {
     console.error(`Failed to getEditorAttribute: ${JSON.stringify(err)}`);
     return;
@@ -3538,11 +3552,11 @@ getEditorAttribute(): Promise&lt;EditorAttribute&gt;
 
 **示例：**
 
-```js
-textInputClient.getEditorAttribute().then((editorAttribute) => {
+```ts
+textInputClient.getEditorAttribute().then((editorAttribute: inputMethodEngine.EditorAttribute) => {
   console.log('editorAttribute.inputPattern: ' + JSON.stringify(editorAttribute.inputPattern));
   console.log('editorAttribute.enterKeyType: ' + JSON.stringify(editorAttribute.enterKeyType));
-}).catch((err) => {
+}).catch((err: Error) => {
   console.error(`Failed to getEditorAttribute: ${JSON.stringify(err)}`);
 });
 ```
diff --git a/zh-cn/application-dev/reference/apis/js-apis-inputmonitor.md b/zh-cn/application-dev/reference/apis/js-apis-inputmonitor.md
index c690ff89eeb352f8b6b089e749d2874ef6f488e7..a5356980dc4e4d381515c75c86d639852b6f9ae5 100755
--- a/zh-cn/application-dev/reference/apis/js-apis-inputmonitor.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-inputmonitor.md
@@ -37,7 +37,7 @@ on(type: 'touch', receiver: TouchEventReceiver): void
 
 ```js
 try {
-  inputMonitor.on('touch', (touchEvent) => {
+  inputMonitor.on('touch', (touchEvent: TouchEvent) => {
     console.log(`Monitor on success ${JSON.stringify(touchEvent)}`);
     return false;
   });
@@ -97,7 +97,7 @@ off(type: 'touch', receiver?: TouchEventReceiver): void
 
 ```js
 // 取消监听单个回调函数
-function callback(touchEvent) {
+let callback = (touchEvent: touchEvent) => {
   console.log(`Monitor on success ${JSON.stringify(touchEvent)}`);
   return false;
 };
@@ -112,7 +112,7 @@ try {
 
 ```js
 // 取消监听所有回调函数
-function callback(touchEvent) {
+let callback = (touchEvent: touchEvent) => {
   console.log(`Monitor on success ${JSON.stringify(touchEvent)}`);
   return false;
 };
@@ -146,7 +146,7 @@ off(type: 'mouse', receiver?: Callback&lt;MouseEvent&gt;): void
 
 ```js
 // 取消监听单个回调函数
-function callback(mouseEvent) {
+let callback = (mouseEvent: MouseEvent) => {
   console.log(`Monitor on success ${JSON.stringify(mouseEvent)}`);
   return false;
 };
@@ -161,7 +161,7 @@ try {
 
 ```js
 // 取消监听所有回调函数
-function callback(mouseEvent) {
+let callback = (mouseEvent: MouseEvent) => {
   console.log(`Monitor on success ${JSON.stringify(mouseEvent)}`);
   return false;
 };
@@ -260,7 +260,7 @@ off(type: 'pinch', receiver?: Callback&lt;[Pinch](js-apis-multimodalinput-gestur
 
 ```js
 // 取消监听单个回调函数
-function callback(pinchEvent) {
+let callback = (pinchEvent: Pinch) => {
   console.log(`Monitor on success ${JSON.stringify(pinchEvent)}`);
   return false;
 };
@@ -275,7 +275,7 @@ try {
 
 ```js
 // 取消监听所有回调函数
-function callback(pinchEvent) {
+let callback = (pinchEvent: Pinch) => {
   console.log(`Monitor on success ${JSON.stringify(pinchEvent)}`);
   return false;
 };
@@ -339,7 +339,7 @@ off(type: 'threeFingersSwipe', receiver?: Callback&lt;[ThreeFingersSwipe](js-api
 
 ```js
 // 取消监听单个回调函数
-function callback(threeFingersSwipe) {
+let callback = (threeFingersSwipe: ThreeFingersSwipe) => {
   console.log(`Monitor on success ${JSON.stringify(threeFingersSwipe)}`);
   return false;
 };
@@ -354,7 +354,7 @@ try {
 
 ```js
 // 取消监听所有回调函数
-function callback(threeFingersSwipe) {
+let callback = (threeFingersSwipe: ThreeFingersSwipe) => {
   console.log(`Monitor on success ${JSON.stringify(threeFingersSwipe)}`);
   return false;
 };
@@ -418,7 +418,7 @@ off(type: 'fourFingersSwipe', receiver?: Callback&lt;[FourFingersSwipe](js-apis-
 
 ```js
 // 取消监听单个回调函数
-function callback(fourFingersSwipe) {
+let callback = (fourFingersSwipe: FourFingersSwipe) => {
   console.log(`Monitor on success ${JSON.stringify(fourFingersSwipe)}`);
   return false;
 };
@@ -433,7 +433,7 @@ try {
 
 ```js
 // 取消监听所有回调函数
-function callback(fourFingersSwipe) {
+let callback = (fourFingersSwipe: FourFingersSwipe) => {
   console.log(`Monitor on success ${JSON.stringify(fourFingersSwipe)}`);
   return false;
 };
diff --git a/zh-cn/application-dev/reference/apis/js-apis-media.md b/zh-cn/application-dev/reference/apis/js-apis-media.md
index 9ebafca790fd232fba8bc6c8783bec888b72284c..2f066421db6f282f6d69a70f1d4c0d25a9b5f9ac 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-media.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-media.md
@@ -1673,7 +1673,7 @@ avPlayer.off('audioInterrupt')
 
 ```ts
 import media from '@ohos.multimedia.media'
-printfItemDescription(obj: media.MediaDescription, key: string) {
+function printfItemDescription(obj: media.MediaDescription, key: string) {
   let property: Object = obj[key];
   console.info('audio key is ' + key); // 通过key值获取对应的value。key值具体可见[MediaDescriptionKey]
   console.info('audio value is ' + property); //对应key值得value。其类型可为任意类型，具体key对应value的类型可参考[MediaDescriptionKey]
@@ -1682,7 +1682,7 @@ printfItemDescription(obj: media.MediaDescription, key: string) {
 avPlayer.getTrackDescription((error: BusinessError, arrList: Array<media.MediaDescription>) => {
   if (arrList != null) {
     for (let i = 0; i < arrList.length; i++) {
-      this.printfItemDescription(arrList[i], media.MediaDescriptionKey.MD_KEY_TRACK_TYPE);  //打印出每条轨道MD_KEY_TRACK_TYPE的值
+      printfItemDescription(arrList[i], media.MediaDescriptionKey.MD_KEY_TRACK_TYPE);  //打印出每条轨道MD_KEY_TRACK_TYPE的值
     }
   } else {
     console.log(`audio getTrackDescription fail, error:${error}`);
@@ -3480,7 +3480,7 @@ createAudioRecorder(): AudioRecorder
 **示例：**
 
 ```ts
-let audioRecorder = media.createAudioRecorder();
+let audioRecorder: media.AudioRecorder = media.createAudioRecorder();
 ```
 
 ## MediaErrorCode<sup>(deprecated)</sup><a name=mediaerrorcode></a>
@@ -3920,7 +3920,7 @@ setDisplaySurface(surfaceId: string, callback: AsyncCallback\<void>): void
 **示例：**
 
 ```ts
-let surfaceId: string = null;
+let surfaceId: string = '';
 videoPlayer.setDisplaySurface(surfaceId, (err: BusinessError) => {
   if (err == null) {
     console.info('setDisplaySurface success!');
@@ -3955,7 +3955,7 @@ setDisplaySurface(surfaceId: string): Promise\<void>
 **示例：**
 
 ```ts
-let surfaceId = null;
+let surfaceId: string = '';
 videoPlayer.setDisplaySurface(surfaceId).then(() => {
   console.info('setDisplaySurface success');
 }).catch((error: BusinessError) => {
@@ -4299,7 +4299,7 @@ import media from '@ohos.multimedia.media'
 let seekTime: number = 5000;
 videoPlayer.seek(seekTime).then((seekDoneTime: number) => { // seekDoneTime表示seek完成后的时间点
   console.info('seek success');
-}).catch((error) => {
+}).catch((error: BusinessError) => {
   console.error(`video catchCallback, error:${error}`);
 });
 
diff --git a/zh-cn/application-dev/reference/apis/js-apis-notification.md b/zh-cn/application-dev/reference/apis/js-apis-notification.md
index aea15e2c468ec7f07c39a48e1b0b404c032ff6f1..d6f2b7b8bf10d497f76205b627e13fcc4310e097 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-notification.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-notification.md
@@ -10,7 +10,7 @@
 
 ## 导入模块
 
-```js
+```ts
 import Notification from '@ohos.notification';
 ```
 
@@ -31,26 +31,29 @@ publish(request: NotificationRequest, callback: AsyncCallback\<void\>): void
 
 **示例：**
 
-```js
+```ts
+import NotificationManager from '@ohos.notificationManager';
+import Base from '@ohos.base';
+
 // publish回调
-function publishCallback(err) {
-    if (err.code) {
-        console.error(`publish failed, code is ${err.code}`);
-    } else {
-        console.info("publish success");
-    }
+let publishCallback = (err: Base.BusinessError) => {
+  if (err) {
+    console.error(`publish failed, code is ${err}`);
+  } else {
+    console.info("publish success");
+  }
 }
 // 通知Request对象
-let notificationRequest = {
-    id: 1,
-    content: {
-        contentType: Notification.ContentType.NOTIFICATION_CONTENT_BASIC_TEXT,
-        normal: {
-            title: "test_title",
-            text: "test_text",
-            additionalText: "test_additionalText"
-        }
+let notificationRequest: NotificationManager.NotificationRequest = {
+  id: 1,
+  content: {
+    contentType: Notification.ContentType.NOTIFICATION_CONTENT_BASIC_TEXT,
+    normal: {
+      title: "test_title",
+      text: "test_text",
+      additionalText: "test_additionalText"
     }
+  }
 };
 Notification.publish(notificationRequest, publishCallback);
 ```
@@ -71,23 +74,27 @@ publish(request: NotificationRequest): Promise\<void\>
 
 **示例：**
 
-```js
+```ts
+import NotificationManager from '@ohos.notificationManager';
+import Base from '@ohos.base';
+
 // 通知Request对象
-let notificationRequest = {
-    notificationId: 1,
-    content: {
-        contentType: Notification.ContentType.NOTIFICATION_CONTENT_BASIC_TEXT,
-        normal: {
-            title: "test_title",
-            text: "test_text",
-            additionalText: "test_additionalText"
-        }
+let notificationRequest: NotificationManager.NotificationRequest = {
+  id: 1,
+  content: {
+    contentType: Notification.ContentType.NOTIFICATION_CONTENT_BASIC_TEXT,
+    normal: {
+      title: "test_title",
+      text: "test_text",
+      additionalText: "test_additionalText"
     }
+  }
 };
 Notification.publish(notificationRequest).then(() => {
-	console.info("publish success");
+  console.info("publish success");
+}).catch((err: Base.BusinessError) => {
+  console.error(`publish failed, code is ${err}`);
 });
-
 ```
 
 ## Notification.publish<sup>8+</sup>
@@ -112,28 +119,31 @@ publish(request: NotificationRequest, userId: number, callback: AsyncCallback\<v
 
 **示例：**
 
-```js
+```ts
+import NotificationManager from '@ohos.notificationManager';
+import Base from '@ohos.base';
+
 // publish回调
-function publishCallback(err) {
-    if (err.code) {
-        console.error(`publish failed, code is ${err.code}`);
-    } else {
-        console.info("publish success");
-    }
+let publishCallback = (err: Base.BusinessError) => {
+  if (err) {
+    console.error(`publish failed, code is ${err.code}`);
+  } else {
+    console.info("publish success");
+  }
 }
 // 用户ID
-let userId = 1;
+let userId: number = 1;
 // 通知Request对象
-let notificationRequest = {
-    id: 1,
-    content: {
-        contentType: Notification.ContentType.NOTIFICATION_CONTENT_BASIC_TEXT,
-        normal: {
-            title: "test_title",
-            text: "test_text",
-            additionalText: "test_additionalText"
-        }
+let notificationRequest: NotificationManager.NotificationRequest = {
+  id: 1,
+  content: {
+    contentType: Notification.ContentType.NOTIFICATION_CONTENT_BASIC_TEXT,
+    normal: {
+      title: "test_title",
+      text: "test_text",
+      additionalText: "test_additionalText"
     }
+  }
 };
 Notification.publish(notificationRequest, userId, publishCallback);
 ```
@@ -159,23 +169,28 @@ publish(request: NotificationRequest, userId: number): Promise\<void\>
 
 **示例：**
 
-```js
-let notificationRequest = {
-    notificationId: 1,
-    content: {
-        contentType: Notification.ContentType.NOTIFICATION_CONTENT_BASIC_TEXT,
-        normal: {
-            title: "test_title",
-            text: "test_text",
-            additionalText: "test_additionalText"
-        }
+```ts
+import NotificationManager from '@ohos.notificationManager';
+import Base from '@ohos.base';
+
+let notificationRequest: NotificationManager.NotificationRequest = {
+  id: 1,
+  content: {
+    contentType: Notification.ContentType.NOTIFICATION_CONTENT_BASIC_TEXT,
+    normal: {
+      title: "test_title",
+      text: "test_text",
+      additionalText: "test_additionalText"
     }
+  }
 };
 
-let userId = 1;
+let userId: number = 1;
 
 Notification.publish(notificationRequest, userId).then(() => {
-	console.info("publish success");
+  console.info("publish success");
+}).catch((err: Base.BusinessError) => {
+  console.error(`publish failed, code is ${err}`);
 });
 ```
 
@@ -198,14 +213,16 @@ cancel(id: number, label: string, callback: AsyncCallback\<void\>): void
 
 **示例：**
 
-```js
+```ts
+import Base from '@ohos.base';
+
 // cancel回调
-function cancelCallback(err) {
-    if (err.code) {
-        console.info("cancel failed " + JSON.stringify(err));
-    } else {
-        console.info("cancel success");
-    }
+let cancelCallback = (err: Base.BusinessError) => {
+  if (err) {
+    console.info("cancel failed " + JSON.stringify(err));
+  } else {
+    console.info("cancel success");
+  }
 }
 Notification.cancel(0, "label", cancelCallback);
 ```
@@ -229,9 +246,13 @@ cancel(id: number, label?: string): Promise\<void\>
 
 **示例：**
 
-```js
+```ts
+import Base from '@ohos.base';
+
 Notification.cancel(0).then(() => {
 	console.info("cancel success");
+}).catch((err: Base.BusinessError) => {
+  console.error(`cancel failed, code is ${err}`);
 });
 ```
 
@@ -254,14 +275,16 @@ cancel(id: number, callback: AsyncCallback\<void\>): void
 
 **示例：**
 
-```js
+```ts
+import Base from '@ohos.base';
+
 // cancel回调
-function cancelCallback(err) {
-    if (err.code) {
-        console.info("cancel failed " + JSON.stringify(err));
-    } else {
-        console.info("cancel success");
-    }
+let cancelCallback = (err: Base.BusinessError) => {
+  if (err) {
+    console.info("cancel failed " + JSON.stringify(err));
+  } else {
+    console.info("cancel success");
+  }
 }
 Notification.cancel(0, cancelCallback);
 ```
@@ -284,14 +307,16 @@ cancelAll(callback: AsyncCallback\<void\>): void
 
 **示例：**
 
-```js
+```ts
+import Base from '@ohos.base';
+
 // cancel回调
-function cancelAllCallback(err) {
-    if (err.code) {
-        console.info("cancelAll failed " + JSON.stringify(err));
-    } else {
-        console.info("cancelAll success");
-    }
+let cancelAllCallback = (err: Base.BusinessError) => {
+  if (err) {
+    console.info("cancelAll failed " + JSON.stringify(err));
+  } else {
+    console.info("cancelAll success");
+  }
 }
 Notification.cancelAll(cancelAllCallback);
 ```
@@ -306,9 +331,13 @@ cancelAll(): Promise\<void\>
 
 **示例：**
 
-```js
+```ts
+import Base from '@ohos.base';
+
 Notification.cancelAll().then(() => {
 	console.info("cancelAll success");
+}).catch((err: Base.BusinessError) => {
+  console.error(`cancelAll failed, code is ${err}`);
 });
 ```
 
@@ -333,18 +362,21 @@ addSlot(slot: NotificationSlot, callback: AsyncCallback\<void\>): void
 
 **示例：**
 
-```js
+```ts
+import NotificationManager from '@ohos.notificationManager';
+import Base from '@ohos.base';
+
 // addslot回调
-function addSlotCallBack(err) {
-    if (err.code) {
-        console.info("addSlot failed " + JSON.stringify(err));
-    } else {
-        console.info("addSlot success");
-    }
+let addSlotCallBack = (err: Base.BusinessError) => {
+  if (err) {
+    console.info("addSlot failed " + JSON.stringify(err));
+  } else {
+    console.info("addSlot success");
+  }
 }
 // 通知slot对象
-let notificationSlot = {
-    type: Notification.SlotType.SOCIAL_COMMUNICATION
+let notificationSlot: NotificationManager.NotificationSlot = {
+  type: Notification.SlotType.SOCIAL_COMMUNICATION
 };
 Notification.addSlot(notificationSlot, addSlotCallBack);
 ```
@@ -369,13 +401,18 @@ addSlot(slot: NotificationSlot): Promise\<void\>
 
 **示例：**
 
-```js
+```ts
+import NotificationManager from '@ohos.notificationManager';
+import Base from '@ohos.base';
+
 // 通知slot对象
-let notificationSlot = {
+let notificationSlot: NotificationManager.NotificationSlot = {
     type: Notification.SlotType.SOCIAL_COMMUNICATION
 };
 Notification.addSlot(notificationSlot).then(() => {
 	console.info("addSlot success");
+}).catch((err: Base.BusinessError) => {
+  console.error(`addSlot failed, code is ${err}`);
 });
 ```
 
@@ -396,14 +433,16 @@ addSlot(type: SlotType, callback: AsyncCallback\<void\>): void
 
 **示例：**
 
-```js
+```ts
+import Base from '@ohos.base';
+
 // addslot回调
-function addSlotCallBack(err) {
-    if (err.code) {
-        console.info("addSlot failed " + JSON.stringify(err));
-    } else {
-        console.info("addSlot success");
-    }
+let addSlotCallBack = (err: Base.BusinessError) => {
+  if (err) {
+    console.info("addSlot failed " + JSON.stringify(err));
+  } else {
+    console.info("addSlot success");
+  }
 }
 Notification.addSlot(Notification.SlotType.SOCIAL_COMMUNICATION, addSlotCallBack);
 ```
@@ -424,9 +463,13 @@ addSlot(type: SlotType): Promise\<void\>
 
 **示例：**
 
-```js
+```ts
+import NotificationManager from '@ohos.notificationManager';
+
 Notification.addSlot(Notification.SlotType.SOCIAL_COMMUNICATION).then(() => {
-	console.info("addSlot success");
+  console.info("addSlot success");
+}).catch((err: Base.BusinessError) => {
+  console.error(`addSlot failed, code is ${err}`);
 });
 ```
 
@@ -451,21 +494,24 @@ addSlots(slots: Array\<NotificationSlot\>, callback: AsyncCallback\<void\>): voi
 
 **示例：**
 
-```js
+```ts
+import NotificationManager from '@ohos.notificationManager';
+import Base from '@ohos.base';
+
 // addSlots回调
-function addSlotsCallBack(err) {
-    if (err.code) {
-        console.info("addSlots failed " + JSON.stringify(err));
-    } else {
-        console.info("addSlots success");
-    }
+let addSlotsCallBack = (err: Base.BusinessError) => {
+  if (err) {
+    console.info("addSlots failed " + JSON.stringify(err));
+  } else {
+    console.info("addSlots success");
+  }
 }
 // 通知slot对象
-let notificationSlot = {
-    type: Notification.SlotType.SOCIAL_COMMUNICATION
+let notificationSlot: NotificationManager.NotificationSlot = {
+  type: Notification.SlotType.SOCIAL_COMMUNICATION
 };
 // 通知slot array 对象
-let notificationSlotArray = new Array();
+let notificationSlotArray: NotificationManager.NotificationSlot[] = new Array();
 notificationSlotArray[0] = notificationSlot;
 
 Notification.addSlots(notificationSlotArray, addSlotsCallBack);
@@ -491,17 +537,22 @@ addSlots(slots: Array\<NotificationSlot\>): Promise\<void\>
 
 **示例：**
 
-```js
+```ts
+import NotificationManager from '@ohos.notificationManager';
+import Base from '@ohos.base';
+
 // 通知slot对象
-let notificationSlot = {
-    type: Notification.SlotType.SOCIAL_COMMUNICATION
+let notificationSlot: NotificationManager.NotificationSlot = {
+  type: Notification.SlotType.SOCIAL_COMMUNICATION
 };
 // 通知slot array 对象
-let notificationSlotArray = new Array();
+let notificationSlotArray: NotificationManager.NotificationSlot[] = new Array();
 notificationSlotArray[0] = notificationSlot;
 
 Notification.addSlots(notificationSlotArray).then(() => {
-	console.info("addSlots success");
+  console.info("addSlots success");
+}).catch((err: Base.BusinessError) => {
+  console.error(`addSlot failed, code is ${err}`);
 });
 ```
 
@@ -522,16 +573,18 @@ getSlot(slotType: SlotType, callback: AsyncCallback\<NotificationSlot\>): void
 
 **示例：**
 
-```js
+```ts
+import Base from '@ohos.base';
+
 // getSlot回调
-function getSlotCallback(err, data) {
-    if (err.code) {
-        console.info("getSlot failed " + JSON.stringify(err));
-    } else {
-        console.info("getSlot success");
-    }
+let getSlotCallback = (err: Base.BusinessError) => {
+  if (err) {
+    console.info("getSlot failed " + JSON.stringify(err));
+  } else {
+    console.info("getSlot success");
+  }
 }
-let slotType = Notification.SlotType.SOCIAL_COMMUNICATION;
+let slotType: Notification.SlotType = Notification.SlotType.SOCIAL_COMMUNICATION;
 Notification.getSlot(slotType, getSlotCallback);
 ```
 
@@ -557,10 +610,14 @@ getSlot(slotType: SlotType): Promise\<NotificationSlot\>
 
 **示例：**
 
-```js
-let slotType = Notification.SlotType.SOCIAL_COMMUNICATION;
+```ts
+import Base from '@ohos.base';
+
+let slotType: Notification.SlotType = Notification.SlotType.SOCIAL_COMMUNICATION;
 Notification.getSlot(slotType).then((data) => {
-	console.info("getSlot success, data: " + JSON.stringify(data));
+  console.info("getSlot success, data: " + JSON.stringify(data));
+}).catch((err: Base.BusinessError) => {
+  console.error(`getSlot failed, code is ${err}`);
 });
 ```
 
@@ -580,14 +637,16 @@ getSlots(callback: AsyncCallback\<Array\<NotificationSlot>>): void
 
 **示例：**
 
-```js
+```ts
+import Base from '@ohos.base';
+
 // getSlots回调
-function getSlotsCallback(err, data) {
-    if (err.code) {
-        console.info("getSlots failed " + JSON.stringify(err));
-    } else {
-        console.info("getSlots success");
-    }
+function getSlotsCallback(err: Base.BusinessError) {
+  if (err) {
+    console.info("getSlots failed " + JSON.stringify(err));
+  } else {
+    console.info("getSlots success");
+  }
 }
 Notification.getSlots(getSlotsCallback);
 ```
@@ -608,9 +667,13 @@ getSlots(): Promise\<Array\<NotificationSlot\>>
 
 **示例：**
 
-```js
+```ts
+import Base from '@ohos.base';
+
 Notification.getSlots().then((data) => {
-	console.info("getSlots success, data: " + JSON.stringify(data));
+  console.info("getSlots success, data: " + JSON.stringify(data));
+}).catch((err: Base.BusinessError) => {
+  console.error(`getSlots failed, code is ${err}`);
 });
 ```
 
@@ -631,17 +694,19 @@ removeSlot(slotType: SlotType, callback: AsyncCallback\<void\>): void
 
 **示例：**
 
-```js
+```ts
+import Base from '@ohos.base';
+
 // removeSlot回调
-function removeSlotCallback(err) {
-    if (err.code) {
-        console.info("removeSlot failed " + JSON.stringify(err));
-    } else {
-        console.info("removeSlot success");
-    }
+let removeSlotCallback = (err: Base.BusinessError) => {
+  if (err) {
+    console.info("removeSlot failed " + JSON.stringify(err));
+  } else {
+    console.info("removeSlot success");
+  }
 }
-let slotType = Notification.SlotType.SOCIAL_COMMUNICATION;
-Notification.removeSlot(slotType,removeSlotCallback);
+let slotType: Notification.SlotType = Notification.SlotType.SOCIAL_COMMUNICATION;
+Notification.removeSlot(slotType, removeSlotCallback);
 ```
 
 ## Notification.removeSlot
@@ -660,10 +725,14 @@ removeSlot(slotType: SlotType): Promise\<void\>
 
 **示例：**
 
-```js
-let slotType = Notification.SlotType.SOCIAL_COMMUNICATION;
+```ts
+import Base from '@ohos.base';
+
+let slotType: Notification.SlotType = Notification.SlotType.SOCIAL_COMMUNICATION;
 Notification.removeSlot(slotType).then(() => {
-	console.info("removeSlot success");
+  console.info("removeSlot success");
+}).catch((err: Base.BusinessError) => {
+  console.error(`removeSlot failed, code is ${err}`);
 });
 ```
 
@@ -683,13 +752,15 @@ removeAllSlots(callback: AsyncCallback\<void\>): void
 
 **示例：**
 
-```js
-function removeAllCallBack(err) {
-    if (err.code) {
-        console.info("removeAllSlots failed " + JSON.stringify(err));
-    } else {
-        console.info("removeAllSlots success");
-    }
+```ts
+import Base from '@ohos.base';
+
+let removeAllCallBack = (err: Base.BusinessError) => {
+  if (err) {
+    console.info("removeAllSlots failed " + JSON.stringify(err));
+  } else {
+    console.info("removeAllSlots success");
+  }
 }
 Notification.removeAllSlots(removeAllCallBack);
 ```
@@ -704,9 +775,13 @@ removeAllSlots(): Promise\<void\>
 
 **示例：**
 
-```js
+```ts
+import Base from '@ohos.base';
+
 Notification.removeAllSlots().then(() => {
-	console.info("removeAllSlots success");
+  console.info("removeAllSlots success");
+}).catch((err: Base.BusinessError) => {
+  console.error(`removeAllSlots failed, code is ${err}`);
 });
 ```
 
@@ -732,23 +807,26 @@ subscribe(subscriber: NotificationSubscriber, info: NotificationSubscribeInfo, c
 
 **示例：**
 
-```js
+```ts
+import Base from '@ohos.base';
+import NotificationSubscribe from '@ohos.notificationSubscribe';
+
 // subscribe回调
-function subscribeCallback(err) {
-    if (err.code) {
-        console.info("subscribe failed " + JSON.stringify(err));
-    } else {
-        console.info("subscribe success");
-    }
+let subscribeCallback = (err: Base.BusinessError) => {
+  if (err) {
+    console.info("subscribe failed " + JSON.stringify(err));
+  } else {
+    console.info("subscribe success");
+  }
 }
-function onConsumeCallback(data) {
-	console.info("Consume callback: " + JSON.stringify(data));
+let onConsumeCallback = (data: NotificationSubscribe.SubscribeCallbackData) => {
+  console.info("Consume callback: " + JSON.stringify(data));
 }
-let subscriber = {
-    onConsume: onConsumeCallback
+let subscriber: NotificationSubscribe.NotificationSubscriber = {
+  onConsume: onConsumeCallback
 };
-let info = {
-    bundleNames: ["bundleName1", "bundleName2"]
+let info: NotificationSubscribe.NotificationSubscribeInfo = {
+  bundleNames: ["bundleName1", "bundleName2"]
 };
 Notification.subscribe(subscriber, info, subscribeCallback);
 ```
@@ -774,19 +852,22 @@ subscribe(subscriber: NotificationSubscriber, callback: AsyncCallback\<void\>):
 
 **示例：**
 
-```js
-function subscribeCallback(err) {
-    if (err.code) {
-        console.info("subscribe failed " + JSON.stringify(err));
-    } else {
-        console.info("subscribe success");
-    }
+```ts
+import Base from '@ohos.base';
+import NotificationSubscribe from '@ohos.notificationSubscribe';
+
+let subscribeCallback = (err: Base.BusinessError) => {
+  if (err) {
+    console.info("subscribe failed " + JSON.stringify(err));
+  } else {
+    console.info("subscribe success");
+  }
 }
-function onConsumeCallback(data) {
-	console.info("Consume callback: " + JSON.stringify(data));
+function onConsumeCallback(data: NotificationSubscribe.SubscribeCallbackData) {
+  console.info("Consume callback: " + JSON.stringify(data));
 }
-let subscriber = {
-    onConsume: onConsumeCallback
+let subscriber: NotificationSubscribe.NotificationSubscriber = {
+  onConsume: onConsumeCallback
 };
 Notification.subscribe(subscriber, subscribeCallback);
 ```
@@ -812,15 +893,20 @@ subscribe(subscriber: NotificationSubscriber, info?: NotificationSubscribeInfo):
 
 **示例：**
 
-```js
-function onConsumeCallback(data) {
-    console.info("Consume callback: " + JSON.stringify(data));
+```ts
+import Base from '@ohos.base';
+import NotificationSubscribe from '@ohos.notificationSubscribe';
+
+function onConsumeCallback(data: NotificationSubscribe.SubscribeCallbackData) {
+  console.info("Consume callback: " + JSON.stringify(data));
 }
-let subscriber = {
-    onConsume: onConsumeCallback
+let subscriber: NotificationSubscribe.NotificationSubscriber = {
+  onConsume: onConsumeCallback
 };
 Notification.subscribe(subscriber).then(() => {
-	console.info("subscribe success");
+  console.info("subscribe success");
+}).catch((err: Base.BusinessError) => {
+  console.error(`subscribe failed, code is ${err}`);
 });
 ```
 
@@ -845,19 +931,22 @@ unsubscribe(subscriber: NotificationSubscriber, callback: AsyncCallback\<void\>)
 
 **示例：**
 
-```js
-function unsubscribeCallback(err) {
-    if (err.code) {
-        console.info("unsubscribe failed " + JSON.stringify(err));
-    } else {
-        console.info("unsubscribe success");
-    }
+```ts
+import Base from '@ohos.base';
+import NotificationSubscribe from '@ohos.notificationSubscribe';
+
+let unsubscribeCallback = (err: Base.BusinessError) => {
+  if (err) {
+    console.info("unsubscribe failed " + JSON.stringify(err));
+  } else {
+    console.info("unsubscribe success");
+  }
 }
-function onDisconnectCallback() {
-	console.info("subscribe disconnect");
+let onDisconnectCallback = () => {
+  console.info("subscribe disconnect");
 }
-let subscriber = {
-    onDisconnect: onDisconnectCallback
+let subscriber: NotificationSubscribe.NotificationSubscriber = {
+  onDisconnect: onDisconnectCallback
 };
 Notification.unsubscribe(subscriber, unsubscribeCallback);
 ```
@@ -882,15 +971,20 @@ unsubscribe(subscriber: NotificationSubscriber): Promise\<void\>
 
 **示例：**
 
-```js
+```ts
+import Base from '@ohos.base';
+import NotificationSubscribe from '@ohos.notificationSubscribe';
+
 function onDisconnectCallback() {
-	console.info("subscribe disconnect");
+  console.info("subscribe disconnect");
 }
-let subscriber = {
-    onDisconnect: onDisconnectCallback
+let subscriber: NotificationSubscribe.NotificationSubscriber = {
+  onDisconnect: onDisconnectCallback
 };
 Notification.unsubscribe(subscriber).then(() => {
-	console.info("unsubscribe success");
+  console.info("unsubscribe success");
+}).catch((err: Base.BusinessError) => {
+  console.error(`unsubscribe failed, code is ${err}`);
 });
 ```
 
@@ -916,16 +1010,18 @@ enableNotification(bundle: BundleOption, enable: boolean, callback: AsyncCallbac
 
 **示例：**
 
-```js
-function enableNotificationCallback(err) {
-    if (err.code) {
-        console.info("enableNotification failed " + JSON.stringify(err));
-    } else {
-        console.info("enableNotification success");
-    }
+```ts
+import Base from '@ohos.base';
+
+let enableNotificationCallback = (err: Base.BusinessError) => {
+  if (err) {
+    console.info("enableNotification failed " + JSON.stringify(err));
+  } else {
+    console.info("enableNotification success");
+  }
 }
-let bundle = {
-    bundle: "bundleName1",
+let bundle: Notification.BundleOption = {
+  bundle: "bundleName1",
 };
 Notification.enableNotification(bundle, false, enableNotificationCallback);
 ```
@@ -951,13 +1047,18 @@ enableNotification(bundle: BundleOption, enable: boolean): Promise\<void\>
 
 **示例：**
 
-```js
-let bundle = {
-    bundle: "bundleName1",
+```ts
+import Base from '@ohos.base';
+
+let bundle: Notification.BundleOption = {
+  bundle: "bundleName1",
 };
 Notification.enableNotification(bundle, false).then(() => {
-	console.info("enableNotification success");
+  console.info("enableNotification success");
+}).catch((err: Base.BusinessError) => {
+  console.error(`enableNotification failed, code is ${err}`);
 });
+
 ```
 
 ## Notification.isNotificationEnabled
@@ -981,16 +1082,18 @@ isNotificationEnabled(bundle: BundleOption, callback: AsyncCallback\<boolean\>):
 
 **示例：**
 
-```js
-function isNotificationEnabledCallback(err, data) {
-    if (err.code) {
-        console.info("isNotificationEnabled failed " + JSON.stringify(err));
-    } else {
-        console.info("isNotificationEnabled success");
-    }
+```ts
+import Base from '@ohos.base';
+
+let isNotificationEnabledCallback = (err: Base.BusinessError, data: boolean) => {
+  if (err) {
+    console.info("isNotificationEnabled failed " + JSON.stringify(err));
+  } else {
+    console.info("isNotificationEnabled success");
+  }
 }
-let bundle = {
-    bundle: "bundleName1",
+let bundle: Notification.BundleOption = {
+  bundle: "bundleName1",
 };
 Notification.isNotificationEnabled(bundle, isNotificationEnabledCallback);
 ```
@@ -1021,12 +1124,16 @@ isNotificationEnabled(bundle: BundleOption): Promise\<boolean\>
 
 **示例：**
 
-```js
-let bundle = {
-    bundle: "bundleName1",
+```ts
+import Base from '@ohos.base';
+
+let bundle: Notification.BundleOption = {
+  bundle: "bundleName1",
 };
 Notification.isNotificationEnabled(bundle).then((data) => {
-	console.info("isNotificationEnabled success, data: " + JSON.stringify(data));
+  console.info("isNotificationEnabled success, data: " + JSON.stringify(data));
+}).catch((err: Base.BusinessError) => {
+  console.error(`isNotificationEnabled failed, code is ${err}`);
 });
 ```
 
@@ -1050,13 +1157,15 @@ isNotificationEnabled(callback: AsyncCallback\<boolean\>): void
 
 **示例：**
 
-```js
-function isNotificationEnabledCallback(err, data) {
-    if (err.code) {
-        console.info("isNotificationEnabled failed " + JSON.stringify(err));
-    } else {
-        console.info("isNotificationEnabled success");
-    }
+```ts
+import Base from '@ohos.base';
+
+let isNotificationEnabledCallback = (err: Base.BusinessError, data: boolean) => {
+  if (err) {
+    console.info("isNotificationEnabled failed " + JSON.stringify(err));
+  } else {
+    console.info("isNotificationEnabled success");
+  }
 }
 
 Notification.isNotificationEnabled(isNotificationEnabledCallback);
@@ -1088,9 +1197,13 @@ isNotificationEnabled(): Promise\<boolean\>
 
 **示例：**
 
-```js
-Notification.isNotificationEnabled().then((data) => {
-	console.info("isNotificationEnabled success, data: " + JSON.stringify(data));
+```ts
+import Base from '@ohos.base';
+
+Notification.isNotificationEnabled().then((data: boolean) => {
+  console.info("isNotificationEnabled success, data: " + JSON.stringify(data));
+}).catch((err: Base.BusinessError) => {
+  console.error(`isNotificationEnabled failed, code is ${err}`);
 });
 ```
 
@@ -1116,16 +1229,18 @@ displayBadge(bundle: BundleOption, enable: boolean, callback: AsyncCallback\<voi
 
 **示例：**
 
-```js
-function displayBadgeCallback(err) {
-    if (err.code) {
-        console.info("displayBadge failed " + JSON.stringify(err));
-    } else {
-        console.info("displayBadge success");
-    }
+```ts
+import Base from '@ohos.base';
+
+let displayBadgeCallback = (err: Base.BusinessError) => {
+  if (err) {
+    console.info("displayBadge failed " + JSON.stringify(err));
+  } else {
+    console.info("displayBadge success");
+  }
 }
-let bundle = {
-    bundle: "bundleName1",
+let bundle: Notification.BundleOption = {
+  bundle: "bundleName1",
 };
 Notification.displayBadge(bundle, false, displayBadgeCallback);
 ```
@@ -1151,12 +1266,16 @@ displayBadge(bundle: BundleOption, enable: boolean): Promise\<void\>
 
 **示例：**
 
-```js
-let bundle = {
-    bundle: "bundleName1",
+```ts
+import Base from '@ohos.base';
+
+let bundle: Notification.BundleOption = {
+  bundle: "bundleName1",
 };
 Notification.displayBadge(bundle, false).then(() => {
-	console.info("displayBadge success");
+  console.info("displayBadge success");
+}).catch((err: Base.BusinessError) => {
+  console.error(`displayBadge failed, code is ${err}`);
 });
 ```
 
@@ -1181,16 +1300,18 @@ isBadgeDisplayed(bundle: BundleOption, callback: AsyncCallback\<boolean\>): void
 
 **示例：**
 
-```js
-function isBadgeDisplayedCallback(err, data) {
-    if (err.code) {
-        console.info("isBadgeDisplayed failed " + JSON.stringify(err));
-    } else {
-        console.info("isBadgeDisplayed success");
-    }
+```ts
+import Base from '@ohos.base';
+
+let isBadgeDisplayedCallback = (err: Base.BusinessError, data: boolean) => {
+  if (err) {
+    console.info("isBadgeDisplayed failed " + JSON.stringify(err));
+  } else {
+    console.info("isBadgeDisplayed success");
+  }
 }
-let bundle = {
-    bundle: "bundleName1",
+let bundle: Notification.BundleOption = {
+  bundle: "bundleName1",
 };
 Notification.isBadgeDisplayed(bundle, isBadgeDisplayedCallback);
 ```
@@ -1221,12 +1342,16 @@ isBadgeDisplayed(bundle: BundleOption): Promise\<boolean\>
 
 **示例：**
 
-```js
-let bundle = {
-    bundle: "bundleName1",
+```ts
+import Base from '@ohos.base';
+
+let bundle: Notification.BundleOption = {
+  bundle: "bundleName1",
 };
 Notification.isBadgeDisplayed(bundle).then((data) => {
-	console.info("isBadgeDisplayed success, data: " + JSON.stringify(data));
+  console.info("isBadgeDisplayed success, data: " + JSON.stringify(data));
+}).catch((err: Base.BusinessError) => {
+  console.error(`isBadgeDisplayed failed, code is ${err}`);
 });
 ```
 
@@ -1252,19 +1377,22 @@ setSlotByBundle(bundle: BundleOption, slot: NotificationSlot, callback: AsyncCal
 
 **示例：**
 
-```js
-function setSlotByBundleCallback(err) {
-    if (err.code) {
-        console.info("setSlotByBundle failed " + JSON.stringify(err));
-    } else {
-        console.info("setSlotByBundle success");
-    }
+```ts
+import Base from '@ohos.base';
+import NotificationManager from '@ohos.notificationManager';
+
+let setSlotByBundleCallback = (err: Base.BusinessError) => {
+  if (err) {
+    console.info("setSlotByBundle failed " + JSON.stringify(err));
+  } else {
+    console.info("setSlotByBundle success");
+  }
 }
-let bundle = {
-    bundle: "bundleName1",
+let bundle: Notification.BundleOption = {
+  bundle: "bundleName1",
 };
-let notificationSlot = {
-    type: Notification.SlotType.SOCIAL_COMMUNICATION
+let notificationSlot: NotificationManager.NotificationSlot = {
+  type: Notification.SlotType.SOCIAL_COMMUNICATION
 };
 Notification.setSlotByBundle(bundle, notificationSlot, setSlotByBundleCallback);
 ```
@@ -1290,15 +1418,20 @@ setSlotByBundle(bundle: BundleOption, slot: NotificationSlot): Promise\<void\>
 
 **示例：**
 
-```js
-let bundle = {
-    bundle: "bundleName1",
+```ts
+import Base from '@ohos.base';
+import NotificationManager from '@ohos.notificationManager';
+
+let bundle: Notification.BundleOption = {
+  bundle: "bundleName1",
 };
-let notificationSlot = {
-    type: Notification.SlotType.SOCIAL_COMMUNICATION
+let notificationSlot: NotificationManager.NotificationSlot = {
+  type: Notification.SlotType.SOCIAL_COMMUNICATION
 };
 Notification.setSlotByBundle(bundle, notificationSlot).then(() => {
-	console.info("setSlotByBundle success");
+  console.info("setSlotByBundle success");
+}).catch((err: Base.BusinessError) => {
+  console.error(`setSlotByBundle failed, code is ${err}`);
 });
 ```
 
@@ -1323,16 +1456,19 @@ getSlotsByBundle(bundle: BundleOption, callback: AsyncCallback\<Array\<Notificat
 
 **示例：**
 
-```js
-function getSlotsByBundleCallback(err, data) {
-    if (err.code) {
-        console.info("getSlotsByBundle failed " + JSON.stringify(err));
-    } else {
-        console.info("getSlotsByBundle success");
-    }
+```ts
+import Base from '@ohos.base';
+import NotificationManager from '@ohos.notificationManager';
+
+let getSlotsByBundleCallback = (err: Base.BusinessError, data: NotificationManager.NotificationSlot[]) => {
+  if (err) {
+    console.info("getSlotsByBundle failed " + JSON.stringify(err));
+  } else {
+    console.info("getSlotsByBundle success");
+  }
 }
-let bundle = {
-    bundle: "bundleName1",
+let bundle: Notification.BundleOption = {
+  bundle: "bundleName1",
 };
 Notification.getSlotsByBundle(bundle, getSlotsByBundleCallback);
 ```
@@ -1363,12 +1499,17 @@ getSlotsByBundle(bundle: BundleOption): Promise\<Array\<NotificationSlot>>
 
 **示例：**
 
-```js
-let bundle = {
-    bundle: "bundleName1",
+```ts
+import Base from '@ohos.base';
+import NotificationManager from '@ohos.notificationManager';
+
+let bundle: Notification.BundleOption = {
+  bundle: "bundleName1",
 };
-Notification.getSlotsByBundle(bundle).then((data) => {
-	console.info("getSlotsByBundle success, data: " + JSON.stringify(data));
+Notification.getSlotsByBundle(bundle).then((data: NotificationManager.NotificationSlot[]) => {
+  console.info("getSlotsByBundle success, data: " + JSON.stringify(data));
+}).catch((err: Base.BusinessError) => {
+  console.error(`getSlotsByBundle failed, code is ${err}`);
 });
 ```
 
@@ -1393,16 +1534,19 @@ getSlotNumByBundle(bundle: BundleOption, callback: AsyncCallback\<number\>): voi
 
 **示例：**
 
-```js
-function getSlotNumByBundleCallback(err, data) {
-    if (err.code) {
-        console.info("getSlotNumByBundle failed " + JSON.stringify(err));
-    } else {
-        console.info("getSlotNumByBundle success");
-    }
+```ts
+import Base from '@ohos.base';
+import NotificationManager from '@ohos.notificationManager';
+
+let getSlotNumByBundleCallback = (err: Base.BusinessError, data: number) => {
+  if (err) {
+    console.info("getSlotNumByBundle failed " + JSON.stringify(err));
+  } else {
+    console.info("getSlotNumByBundle success");
+  }
 }
-let bundle = {
-    bundle: "bundleName1",
+let bundle: Notification.BundleOption = {
+  bundle: "bundleName1",
 };
 Notification.getSlotNumByBundle(bundle, getSlotNumByBundleCallback);
 ```
@@ -1433,12 +1577,17 @@ getSlotNumByBundle(bundle: BundleOption): Promise\<number\>
 
 **示例：**
 
-```js
-let bundle = {
-    bundle: "bundleName1",
+```ts
+import Base from '@ohos.base';
+import NotificationManager from '@ohos.notificationManager';
+
+let bundle: Notification.BundleOption = {
+  bundle: "bundleName1",
 };
-Notification.getSlotNumByBundle(bundle).then((data) => {
-	console.info("getSlotNumByBundle success, data: " + JSON.stringify(data));
+Notification.getSlotNumByBundle(bundle).then((data: number) => {
+  console.info("getSlotNumByBundle success, data: " + JSON.stringify(data));
+}).catch((err: Base.BusinessError) => {
+  console.error(`getSlotNumByBundle failed, code is ${err}`);
 });
 ```
 
@@ -1465,22 +1614,24 @@ remove(bundle: BundleOption, notificationKey: NotificationKey, reason: RemoveRea
 
 **示例：**
 
-```js
-function removeCallback(err) {
-    if (err.code) {
-        console.info("remove failed " + JSON.stringify(err));
-    } else {
-        console.info("remove success");
-    }
+```ts
+import Base from '@ohos.base';
+
+let removeCallback = (err: Base.BusinessError) => {
+  if (err) {
+    console.info("remove failed " + JSON.stringify(err));
+  } else {
+    console.info("remove success");
+  }
 }
-let bundle = {
-    bundle: "bundleName1",
+let bundle: Notification.BundleOption = {
+  bundle: "bundleName1",
 };
-let notificationKey = {
-    id: 0,
-    label: "label",
+let notificationKey: Notification.NotificationKey = {
+  id: 0,
+  label: "label",
 };
-let reason = Notification.RemoveReason.CLICK_REASON_REMOVE;
+let reason: Notification.RemoveReason = Notification.RemoveReason.CLICK_REASON_REMOVE;
 Notification.remove(bundle, notificationKey, reason, removeCallback);
 ```
 
@@ -1506,17 +1657,21 @@ remove(bundle: BundleOption, notificationKey: NotificationKey, reason: RemoveRea
 
 **示例：**
 
-```js
-let bundle = {
-    bundle: "bundleName1",
+```ts
+import Base from '@ohos.base';
+
+let bundle: Notification.BundleOption = {
+  bundle: "bundleName1",
 };
-let notificationKey = {
-    id: 0,
-    label: "label",
+let notificationKey: Notification.NotificationKey = {
+  id: 0,
+  label: "label",
 };
-let reason = Notification.RemoveReason.CLICK_REASON_REMOVE;
+let reason: Notification.RemoveReason = Notification.RemoveReason.CLICK_REASON_REMOVE;
 Notification.remove(bundle, notificationKey, reason).then(() => {
-	console.info("remove success");
+  console.info("remove success");
+}).catch((err: Base.BusinessError) => {
+  console.error(`remove failed, code is ${err}`);
 });
 ```
 
@@ -1542,17 +1697,19 @@ remove(hashCode: string, reason: RemoveReason, callback: AsyncCallback\<void\>):
 
 **示例：**
 
-```js
-let hashCode = 'hashCode';
+```ts
+import Base from '@ohos.base';
 
-function removeCallback(err) {
-    if (err.code) {
-        console.info("remove failed " + JSON.stringify(err));
-    } else {
-        console.info("remove success");
-    }
+let hashCode: string = 'hashCode';
+
+let removeCallback = (err: Base.BusinessError) => {
+  if (err) {
+    console.info("remove failed " + JSON.stringify(err));
+  } else {
+    console.info("remove success");
+  }
 }
-let reason = Notification.RemoveReason.CANCEL_REASON_REMOVE;
+let reason: Notification.RemoveReason = Notification.RemoveReason.CANCEL_REASON_REMOVE;
 Notification.remove(hashCode, reason, removeCallback);
 ```
 
@@ -1577,11 +1734,15 @@ remove(hashCode: string, reason: RemoveReason): Promise\<void\>
 
 **示例：**
 
-```js
-let hashCode = 'hashCode';
-let reason = Notification.RemoveReason.CLICK_REASON_REMOVE;
+```ts
+import Base from '@ohos.base';
+
+let hashCode: string = 'hashCode';
+let reason: Notification.RemoveReason = Notification.RemoveReason.CLICK_REASON_REMOVE;
 Notification.remove(hashCode, reason).then(() => {
-	console.info("remove success");
+  console.info("remove success");
+}).catch((err: Base.BusinessError) => {
+  console.error(`remove failed, code is ${err}`);
 });
 ```
 
@@ -1606,16 +1767,18 @@ removeAll(bundle: BundleOption, callback: AsyncCallback\<void\>): void
 
 **示例：**
 
-```js
-function removeAllCallback(err) {
-    if (err.code) {
-        console.info("removeAll failed " + JSON.stringify(err));
-    } else {
-        console.info("removeAll success");
-    }
+```ts
+import Base from '@ohos.base';
+
+let removeAllCallback = (err: Base.BusinessError) => {
+  if (err) {
+    console.info("removeAll failed " + JSON.stringify(err));
+  } else {
+    console.info("removeAll success");
+  }
 }
-let bundle = {
-    bundle: "bundleName1",
+let bundle: Notification.BundleOption = {
+  bundle: "bundleName1",
 };
 Notification.removeAll(bundle, removeAllCallback);
 ```
@@ -1640,13 +1803,15 @@ removeAll(callback: AsyncCallback\<void\>): void
 
 **示例：**
 
-```js
-function removeAllCallback(err) {
-    if (err.code) {
-        console.info("removeAll failed " + JSON.stringify(err));
-    } else {
-        console.info("removeAll success");
-    }
+```ts
+import Base from '@ohos.base';
+
+let removeAllCallback = (err: Base.BusinessError) => {
+  if (err) {
+    console.info("removeAll failed " + JSON.stringify(err));
+  } else {
+    console.info("removeAll success");
+  }
 }
 
 Notification.removeAll(removeAllCallback);
@@ -1672,10 +1837,14 @@ removeAll(bundle?: BundleOption): Promise\<void\>
 
 **示例：**
 
-```js
+```ts
+import Base from '@ohos.base';
+
 // 不指定应用时，删除所有通知
 Notification.removeAll().then(() => {
-	console.info("removeAll success");
+  console.info("removeAll success");
+}).catch((err: Base.BusinessError) => {
+  console.error(`removeAll failed, code is ${err}`);
 });
 ```
 
@@ -1700,16 +1869,18 @@ removeAll(userId: number, callback: AsyncCallback\<void>): void
 
 **示例：**
 
-```js
-function removeAllCallback(err) {
-    if (err.code) {
-        console.info("removeAll failed " + JSON.stringify(err));
-    } else {
-        console.info("removeAll success");
-    }
+```ts
+import Base from '@ohos.base';
+
+function removeAllCallback(err: Base.BusinessError) {
+  if (err) {
+    console.info("removeAll failed " + JSON.stringify(err));
+  } else {
+    console.info("removeAll success");
+  }
 }
 
-let userId = 1;
+let userId: number = 1;
 Notification.removeAll(userId, removeAllCallback);
 ```
 
@@ -1733,10 +1904,14 @@ removeAll(userId: number): Promise\<void>
 
 **示例：**
 
-```js
-let userId = 1;
+```ts
+import Base from '@ohos.base';
+
+let userId: number = 1;
 Notification.removeAll(userId).then(() => {
-	console.info("removeAll success");
+  console.info("removeAll success");
+}).catch((err: Base.BusinessError) => {
+  console.error(`removeAll failed, code is ${err}`);
 });
 ```
 
@@ -1761,13 +1936,16 @@ getAllActiveNotifications(callback: AsyncCallback\<Array\<NotificationRequest>>)
 
 **示例：**
 
-```js
-function getAllActiveNotificationsCallback(err, data) {
-    if (err.code) {
-        console.info("getAllActiveNotifications failed " + JSON.stringify(err));
-    } else {
-        console.info("getAllActiveNotifications success");
-    }
+```ts
+import Base from '@ohos.base';
+import NotificationManager from '@ohos.notificationManager';
+
+function getAllActiveNotificationsCallback(err: Base.BusinessError, data: NotificationManager.NotificationRequest[]) {
+  if (err) {
+    console.info("getAllActiveNotifications failed " + JSON.stringify(err));
+  } else {
+    console.info("getAllActiveNotifications success");
+  }
 }
 
 Notification.getAllActiveNotifications(getAllActiveNotificationsCallback);
@@ -1793,9 +1971,14 @@ getAllActiveNotifications(): Promise\<Array\<[NotificationRequest](#notification
 
 **示例：**
 
-```js
-Notification.getAllActiveNotifications().then((data) => {
-	console.info("getAllActiveNotifications success, data: " + JSON.stringify(data));
+```ts
+import Base from '@ohos.base';
+import NotificationManager from '@ohos.notificationManager';
+
+Notification.getAllActiveNotifications().then((data: NotificationManager.NotificationRequest[]) => {
+  console.info("getAllActiveNotifications success, data: " + JSON.stringify(data));
+}).catch((err: Base.BusinessError) => {
+  console.error(`getAllActiveNotifications failed, code is ${err}`);
 });
 ```
 
@@ -1815,13 +1998,15 @@ getActiveNotificationCount(callback: AsyncCallback\<number\>): void
 
 **示例：**
 
-```js
-function getActiveNotificationCountCallback(err, data) {
-    if (err.code) {
-        console.info("getActiveNotificationCount failed " + JSON.stringify(err));
-    } else {
-        console.info("getActiveNotificationCount success");
-    }
+```ts
+import Base from '@ohos.base';
+
+let getActiveNotificationCountCallback = (err: Base.BusinessError, data: number) => {
+  if (err) {
+    console.info("getActiveNotificationCount failed " + JSON.stringify(err));
+  } else {
+    console.info("getActiveNotificationCount success");
+  }
 }
 
 Notification.getActiveNotificationCount(getActiveNotificationCountCallback);
@@ -1843,9 +2028,13 @@ getActiveNotificationCount(): Promise\<number\>
 
 **示例：**
 
-```js
-Notification.getActiveNotificationCount().then((data) => {
-	console.info("getActiveNotificationCount success, data: " + JSON.stringify(data));
+```ts
+import Base from '@ohos.base';
+
+Notification.getActiveNotificationCount().then((data: number) => {
+  console.info("getActiveNotificationCount success, data: " + JSON.stringify(data));
+}).catch((err: Base.BusinessError) => {
+  console.error(`getAllActiveNotifications failed, code is ${err}`);
 });
 ```
 
@@ -1865,13 +2054,16 @@ getActiveNotifications(callback: AsyncCallback<Array\<NotificationRequest\>>): v
 
 **示例：**
 
-```js
-function getActiveNotificationsCallback(err, data) {
-    if (err.code) {
-        console.info("getActiveNotifications failed " + JSON.stringify(err));
-    } else {
-        console.info("getActiveNotifications success");
-    }
+```ts
+import Base from '@ohos.base';
+import NotificationManager from '@ohos.notificationManager';
+
+let getActiveNotificationsCallback = (err: Base.BusinessError, data: NotificationManager.NotificationRequest[]) => {
+  if (err) {
+    console.info("getActiveNotifications failed " + JSON.stringify(err));
+  } else {
+    console.info("getActiveNotifications success");
+  }
 }
 
 Notification.getActiveNotifications(getActiveNotificationsCallback);
@@ -1893,9 +2085,14 @@ getActiveNotifications(): Promise\<Array\<[NotificationRequest](#notificationreq
 
 **示例：**
 
-```js
-Notification.getActiveNotifications().then((data) => {
-	console.info("removeGroupByBundle success, data: " + JSON.stringify(data));
+```ts
+import Base from '@ohos.base';
+import NotificationManager from '@ohos.notificationManager';
+
+Notification.getActiveNotifications().then((data: NotificationManager.NotificationRequest[]) => {
+  console.info("removeGroupByBundle success, data: " + JSON.stringify(data));
+}).catch((err: Base.BusinessError) => {
+  console.error(`removeGroupByBundle failed, code is ${err}`);
 });
 ```
 
@@ -1916,16 +2113,18 @@ cancelGroup(groupName: string, callback: AsyncCallback\<void\>): void
 
 **示例：**
 
-```js
-function cancelGroupCallback(err) {
-    if (err.code) {
-        console.info("cancelGroup failed " + JSON.stringify(err));
-    } else {
-        console.info("cancelGroup success");
-    }
+```ts
+import Base from '@ohos.base';
+
+let cancelGroupCallback = (err: Base.BusinessError) => {
+  if (err) {
+    console.info("cancelGroup failed " + JSON.stringify(err));
+  } else {
+    console.info("cancelGroup success");
+  }
 }
 
-let groupName = "GroupName";
+let groupName: string = "GroupName";
 
 Notification.cancelGroup(groupName, cancelGroupCallback);
 ```
@@ -1946,10 +2145,14 @@ cancelGroup(groupName: string): Promise\<void\>
 
 **示例：**
 
-```js
-let groupName = "GroupName";
+```ts
+import Base from '@ohos.base';
+
+let groupName: string = "GroupName";
 Notification.cancelGroup(groupName).then(() => {
 	console.info("cancelGroup success");
+}).catch((err: Base.BusinessError) => {
+  console.error(`cancelGroup failed, code is ${err}`);
 });
 ```
 
@@ -1975,17 +2178,19 @@ removeGroupByBundle(bundle: BundleOption, groupName: string, callback: AsyncCall
 
 **示例：**
 
-```js
-function removeGroupByBundleCallback(err) {
-    if (err.code) {
-        console.info("removeGroupByBundle failed " + JSON.stringify(err));
-    } else {
-        console.info("removeGroupByBundle success");
-    }
+```ts
+import Base from '@ohos.base';
+
+let removeGroupByBundleCallback = (err: Base.BusinessError) => {
+  if (err) {
+    console.info("removeGroupByBundle failed " + JSON.stringify(err));
+  } else {
+    console.info("removeGroupByBundle success");
+  }
 }
 
-let bundleOption = {bundle: "Bundle"};
-let groupName = "GroupName";
+let bundleOption: Notification.BundleOption = {bundle: "Bundle"};
+let groupName: string = "GroupName";
 
 Notification.removeGroupByBundle(bundleOption, groupName, removeGroupByBundleCallback);
 ```
@@ -2011,11 +2216,15 @@ removeGroupByBundle(bundle: BundleOption, groupName: string): Promise\<void\>
 
 **示例：**
 
-```js
-let bundleOption = {bundle: "Bundle"};
-let groupName = "GroupName";
+```ts
+import Base from '@ohos.base';
+
+let bundleOption: Notification.BundleOption = {bundle: "Bundle"};
+let groupName: string = "GroupName";
 Notification.removeGroupByBundle(bundleOption, groupName).then(() => {
-	console.info("removeGroupByBundle success");
+  console.info("removeGroupByBundle success");
+}).catch((err: Base.BusinessError) => {
+  console.error(`removeGroupByBundle failed, code is ${err}`);
 });
 ```
 
@@ -2040,19 +2249,21 @@ setDoNotDisturbDate(date: DoNotDisturbDate, callback: AsyncCallback\<void\>): vo
 
 **示例：**
 
-```js
-function setDoNotDisturbDateCallback(err) {
-    if (err.code) {
-        console.info("setDoNotDisturbDate failed " + JSON.stringify(err));
-    } else {
-        console.info("setDoNotDisturbDate success");
-    }
+```ts
+import Base from '@ohos.base';
+
+let setDoNotDisturbDateCallback = (err: Base.BusinessError) => {
+  if (err) {
+    console.info("setDoNotDisturbDate failed " + JSON.stringify(err));
+  } else {
+    console.info("setDoNotDisturbDate success");
+  }
 }
 
-let doNotDisturbDate = {
-    type: Notification.DoNotDisturbType.TYPE_ONCE,
-    begin: new Date(),
-    end: new Date(2021, 11, 15, 18, 0)
+let doNotDisturbDate: Notification.DoNotDisturbDate = {
+  type: Notification.DoNotDisturbType.TYPE_ONCE,
+  begin: new Date(),
+  end: new Date(2021, 11, 15, 18, 0)
 };
 
 Notification.setDoNotDisturbDate(doNotDisturbDate, setDoNotDisturbDateCallback);
@@ -2078,14 +2289,18 @@ setDoNotDisturbDate(date: DoNotDisturbDate): Promise\<void\>
 
 **示例：**
 
-```js
-let doNotDisturbDate = {
+```ts
+import Base from '@ohos.base';
+
+let doNotDisturbDate: Notification.DoNotDisturbDate = {
     type: Notification.DoNotDisturbType.TYPE_ONCE,
     begin: new Date(),
     end: new Date(2021, 11, 15, 18, 0)
 };
 Notification.setDoNotDisturbDate(doNotDisturbDate).then(() => {
 	console.info("setDoNotDisturbDate success");
+}).catch((err: Base.BusinessError) => {
+  console.error(`setDoNotDisturbDate failed, code is ${err}`);
 });
 ```
 
@@ -2112,22 +2327,24 @@ setDoNotDisturbDate(date: DoNotDisturbDate, userId: number, callback: AsyncCallb
 
 **示例：**
 
-```js
-function setDoNotDisturbDateCallback(err) {
-    if (err.code) {
-        console.info("setDoNotDisturbDate failed " + JSON.stringify(err));
-    } else {
-        console.info("setDoNotDisturbDate success");
-    }
+```ts
+import Base from '@ohos.base';
+
+let setDoNotDisturbDateCallback = (err: Base.BusinessError) => {
+  if (err) {
+    console.info("setDoNotDisturbDate failed " + JSON.stringify(err));
+  } else {
+    console.info("setDoNotDisturbDate success");
+  }
 }
 
-let doNotDisturbDate = {
-    type: Notification.DoNotDisturbType.TYPE_ONCE,
-    begin: new Date(),
-    end: new Date(2021, 11, 15, 18, 0)
+let doNotDisturbDate: Notification.DoNotDisturbDate = {
+  type: Notification.DoNotDisturbType.TYPE_ONCE,
+  begin: new Date(),
+  end: new Date(2021, 11, 15, 18, 0)
 };
 
-let userId = 1
+let userId: number = 1;
 Notification.setDoNotDisturbDate(doNotDisturbDate, userId, setDoNotDisturbDateCallback);
 ```
 
@@ -2152,17 +2369,21 @@ setDoNotDisturbDate(date: DoNotDisturbDate, userId: number): Promise\<void\>
 
 **示例：**
 
-```js
-let doNotDisturbDate = {
-    type: Notification.DoNotDisturbType.TYPE_ONCE,
-    begin: new Date(),
-    end: new Date(2021, 11, 15, 18, 0)
+```ts
+import Base from '@ohos.base';
+
+let doNotDisturbDate: Notification.DoNotDisturbDate = {
+  type: Notification.DoNotDisturbType.TYPE_ONCE,
+  begin: new Date(),
+  end: new Date(2021, 11, 15, 18, 0)
 };
 
-let userId = 1;
+let userId: number = 1;
 
 Notification.setDoNotDisturbDate(doNotDisturbDate, userId).then(() => {
-	console.info("setDoNotDisturbDate success");
+  console.info("setDoNotDisturbDate success");
+}).catch((err: Base.BusinessError) => {
+  console.error(`setDoNotDisturbDate failed, code is ${err}`);
 });
 ```
 
@@ -2187,13 +2408,15 @@ getDoNotDisturbDate(callback: AsyncCallback\<DoNotDisturbDate\>): void
 
 **示例：**
 
-```js
-function getDoNotDisturbDateCallback(err, data) {
-    if (err.code) {
-        console.info("getDoNotDisturbDate failed " + JSON.stringify(err));
-    } else {
-        console.info("getDoNotDisturbDate success");
-    }
+```ts
+import Base from '@ohos.base';
+
+let getDoNotDisturbDateCallback = (err: Base.BusinessError, data: Notification.DoNotDisturbDate) => {
+  if (err) {
+    console.info("getDoNotDisturbDate failed " + JSON.stringify(err));
+  } else {
+    console.info("getDoNotDisturbDate success");
+  }
 }
 
 Notification.getDoNotDisturbDate(getDoNotDisturbDateCallback);
@@ -2219,9 +2442,13 @@ getDoNotDisturbDate(): Promise\<DoNotDisturbDate\>
 
 **示例：**
 
-```js
-Notification.getDoNotDisturbDate().then((data) => {
-	console.info("getDoNotDisturbDate success, data: " + JSON.stringify(data));
+```ts
+import Base from '@ohos.base';
+
+Notification.getDoNotDisturbDate().then((data: Notification.DoNotDisturbDate) => {
+  console.info("getDoNotDisturbDate success, data: " + JSON.stringify(data));
+}).catch((err: Base.BusinessError) => {
+  console.error(`getDoNotDisturbDate failed, code is ${err}`);
 });
 ```
 
@@ -2247,16 +2474,18 @@ getDoNotDisturbDate(userId: number, callback: AsyncCallback\<DoNotDisturbDate\>)
 
 **示例：**
 
-```js
-function getDoNotDisturbDateCallback(err,data) {
-    if (err.code) {
-        console.info("getDoNotDisturbDate failed " + JSON.stringify(err));
-    } else {
-        console.info("getDoNotDisturbDate success");
-    }
+```ts
+import Base from '@ohos.base';
+
+let getDoNotDisturbDateCallback = (err: Base.BusinessError, data: Notification.DoNotDisturbDate) => {
+  if (err) {
+    console.info("getDoNotDisturbDate failed " + JSON.stringify(err));
+  } else {
+    console.info("getDoNotDisturbDate success");
+  }
 }
 
-let userId = 1;
+let userId: number = 1;
 
 Notification.getDoNotDisturbDate(userId, getDoNotDisturbDateCallback);
 ```
@@ -2287,11 +2516,15 @@ getDoNotDisturbDate(userId: number): Promise\<DoNotDisturbDate\>
 
 **示例：**
 
-```js
-let userId = 1;
+```ts
+import Base from '@ohos.base';
+
+let userId: number = 1;
 
-Notification.getDoNotDisturbDate(userId).then((data) => {
-	console.info("getDoNotDisturbDate success, data: " + JSON.stringify(data));
+Notification.getDoNotDisturbDate(userId).then((data: Notification.DoNotDisturbDate) => {
+  console.info("getDoNotDisturbDate success, data: " + JSON.stringify(data));
+}).catch((err: Base.BusinessError) => {
+  console.error(`getDoNotDisturbDate failed, code is ${err}`);
 });
 ```
 
@@ -2316,13 +2549,15 @@ supportDoNotDisturbMode(callback: AsyncCallback\<boolean\>): void
 
 **示例：**
 
-```js
-function supportDoNotDisturbModeCallback(err,data) {
-    if (err.code) {
-        console.info("supportDoNotDisturbMode failed " + JSON.stringify(err));
-    } else {
-        console.info("supportDoNotDisturbMode success");
-    }
+```ts
+import Base from '@ohos.base';
+
+let supportDoNotDisturbModeCallback = (err: Base.BusinessError, data: boolean) => {
+  if (err) {
+    console.info("supportDoNotDisturbMode failed " + JSON.stringify(err));
+  } else {
+    console.info("supportDoNotDisturbMode success");
+  }
 }
 
 Notification.supportDoNotDisturbMode(supportDoNotDisturbModeCallback);
@@ -2348,9 +2583,13 @@ supportDoNotDisturbMode(): Promise\<boolean\>
 
 **示例：**
 
-```js
-Notification.supportDoNotDisturbMode().then((data) => {
-	console.info("supportDoNotDisturbMode success, data: " + JSON.stringify(data));
+```ts
+import Base from '@ohos.base';
+
+Notification.supportDoNotDisturbMode().then((data: boolean) => {
+  console.info("supportDoNotDisturbMode success, data: " + JSON.stringify(data));
+}).catch((err: Base.BusinessError) => {
+  console.error(`supportDoNotDisturbMode failed, code is ${err}`);
 });
 ```
 
@@ -2371,14 +2610,16 @@ isSupportTemplate(templateName: string, callback: AsyncCallback\<boolean\>): voi
 
 **示例：**
 
-```javascript
-let templateName = 'process';
-function isSupportTemplateCallback(err, data) {
-    if (err.code) {
-        console.info("isSupportTemplate failed " + JSON.stringify(err));
-    } else {
-        console.info("isSupportTemplate success");
-    }
+```ts
+import Base from '@ohos.base';
+
+let templateName: string = 'process';
+function isSupportTemplateCallback(err: Base.BusinessError, data: boolean) {
+  if (err) {
+    console.info("isSupportTemplate failed " + JSON.stringify(err));
+  } else {
+    console.info("isSupportTemplate success");
+  }
 }
 
 Notification.isSupportTemplate(templateName, isSupportTemplateCallback);
@@ -2406,11 +2647,14 @@ isSupportTemplate(templateName: string): Promise\<boolean\>
 
 **示例：**
 
-```javascript
-let templateName = 'process';
+```ts
+import Base from '@ohos.base';
 
-Notification.isSupportTemplate(templateName).then((data) => {
-    console.info("isSupportTemplate success, data: " + JSON.stringify(data));
+let templateName: string = 'process';
+Notification.isSupportTemplate(templateName).then((data: boolean) => {
+  console.info("isSupportTemplate success, data: " + JSON.stringify(data));
+}).catch((err: Base.BusinessError) => {
+  console.error(`isSupportTemplate failed, code is ${err}`);
 });
 ```
 
@@ -2430,13 +2674,15 @@ requestEnableNotification(callback: AsyncCallback\<void\>): void
 
 **示例：**
 
-```javascript
-function requestEnableNotificationCallback(err) {
-    if (err.code) {
-        console.info("requestEnableNotification failed " + JSON.stringify(err));
-    } else {
-        console.info("requestEnableNotification success");
-    }
+```ts
+import Base from '@ohos.base';
+
+let requestEnableNotificationCallback = (err: Base.BusinessError) => {
+  if (err) {
+    console.info("requestEnableNotification failed " + JSON.stringify(err));
+  } else {
+    console.info("requestEnableNotification success");
+  }
 };
 
 Notification.requestEnableNotification(requestEnableNotificationCallback);
@@ -2452,9 +2698,13 @@ requestEnableNotification(): Promise\<void\>
 
 **示例：**
 
-```javascript
+```ts
+import Base from '@ohos.base';
+
 Notification.requestEnableNotification().then(() => {
-    console.info("requestEnableNotification success");
+  console.info("requestEnableNotification success");
+}).catch((err: Base.BusinessError) => {
+  console.error(`requestEnableNotification failed, code is ${err}`);
 });
 ```
 
@@ -2480,16 +2730,18 @@ enableDistributed(enable: boolean, callback: AsyncCallback\<void\>): void
 
 **示例：**
 
-```javascript
-function enabledNotificationCallback(err) {
-    if (err.code) {
-        console.info("enableDistributed failed " + JSON.stringify(err));
-    } else {
-        console.info("enableDistributed success");
-    }
+```ts
+import Base from '@ohos.base';
+
+let enabledNotificationCallback = (err: Base.BusinessError) => {
+  if (err) {
+    console.info("enableDistributed failed " + JSON.stringify(err));
+  } else {
+    console.info("enableDistributed success");
+  }
 };
 
-let enable = true;
+let enable: boolean = true;
 
 Notification.enableDistributed(enable, enabledNotificationCallback);
 ```
@@ -2514,10 +2766,14 @@ enableDistributed(enable: boolean): Promise\<void>
 
 **示例：**
 
-```javascript
-let enable = true;
+```ts
+import Base from '@ohos.base';
+
+let enable: boolean = true;
 Notification.enableDistributed(enable).then(() => {
-    console.info("enableDistributed success");
+  console.info("enableDistributed success");
+}).catch((err: Base.BusinessError) => {
+  console.error(`enableDistributed failed, code is ${err}`);
 });
 ```
 
@@ -2538,13 +2794,15 @@ isDistributedEnabled(callback: AsyncCallback\<boolean>): void
 
 **示例：**
 
-```javascript
-function isDistributedEnabledCallback(err, data) {
-    if (err.code) {
-        console.info("isDistributedEnabled failed " + JSON.stringify(err));
-    } else {
-        console.info("isDistributedEnabled success " + JSON.stringify(data));
-    }
+```ts
+import Base from '@ohos.base';
+
+let isDistributedEnabledCallback = (err: Base.BusinessError, data: boolean) => {
+  if (err) {
+    console.info("isDistributedEnabled failed " + JSON.stringify(err));
+  } else {
+    console.info("isDistributedEnabled success " + JSON.stringify(data));
+  }
 };
 
 Notification.isDistributedEnabled(isDistributedEnabledCallback);
@@ -2566,9 +2824,13 @@ isDistributedEnabled(): Promise\<boolean>
 
 **示例：**
 
-```javascript
-Notification.isDistributedEnabled().then((data) => {
+```ts
+import Base from '@ohos.base';
+
+Notification.isDistributedEnabled().then((data: boolean) => {
     console.info("isDistributedEnabled success, data: " + JSON.stringify(data));
+}).catch((err: Base.BusinessError) => {
+  console.error(`isDistributedEnabled failed, code is ${err}`);
 });
 ```
 
@@ -2595,20 +2857,22 @@ enableDistributedByBundle(bundle: BundleOption, enable: boolean, callback: Async
 
 **示例：**
 
-```javascript
-function enableDistributedByBundleCallback(err) {
-    if (err.code) {
-        console.info("enableDistributedByBundle failed " + JSON.stringify(err));
-    } else {
-        console.info("enableDistributedByBundle success");
-    }
+```ts
+import Base from '@ohos.base';
+
+let enableDistributedByBundleCallback = (err: Base.BusinessError) => {
+  if (err) {
+    console.info("enableDistributedByBundle failed " + JSON.stringify(err));
+  } else {
+    console.info("enableDistributedByBundle success");
+  }
 };
 
-let bundle = {
-    bundle: "bundleName1",
+let bundle: Notification.BundleOption = {
+  bundle: "bundleName1",
 };
 
-let enable = true;
+let enable: boolean = true;
 
 Notification.enableDistributedByBundle(bundle, enable, enableDistributedByBundleCallback);
 ```
@@ -2634,15 +2898,21 @@ enableDistributedByBundle(bundle: BundleOption, enable: boolean): Promise\<void>
 
 **示例：**
 
-```javascript
-let bundle = {
-    bundle: "bundleName1",
+```ts
+import Base from '@ohos.base';
+
+let enable: boolean = true;
+
+let bundle: Notification.BundleOption = {
+  bundle: "bundleName1",
 };
 
-let enable = true;
 Notification.enableDistributedByBundle(bundle, enable).then(() => {
-    console.info("enableDistributedByBundle success");
+  console.info("enableDistributedByBundle success");
+}).catch((err: Base.BusinessError) => {
+  console.error(`enableDistributedByBundle failed, code is ${err}`);
 });
+
 ```
 
 ## Notification.isDistributedEnabledByBundle<sup>8+</sup>
@@ -2666,17 +2936,19 @@ isDistributedEnabledByBundle(bundle: BundleOption, callback: AsyncCallback\<bool
 
 **示例：**
 
-```javascript
-function isDistributedEnabledByBundleCallback(err, data) {
-    if (err.code) {
-        console.info("isDistributedEnabledByBundle failed " + JSON.stringify(err));
-    } else {
-        console.info("isDistributedEnabledByBundle success" + JSON.stringify(data));
-    }
+```ts
+import Base from '@ohos.base';
+
+let isDistributedEnabledByBundleCallback = (err: Base.BusinessError, data: boolean) => {
+  if (err) {
+    console.info("isDistributedEnabledByBundle failed " + JSON.stringify(err));
+  } else {
+    console.info("isDistributedEnabledByBundle success" + JSON.stringify(data));
+  }
 };
 
-let bundle = {
-    bundle: "bundleName1",
+let bundle: Notification.BundleOption = {
+  bundle: "bundleName1",
 };
 
 Notification.isDistributedEnabledByBundle(bundle, isDistributedEnabledByBundleCallback);
@@ -2708,13 +2980,17 @@ isDistributedEnabledByBundle(bundle: BundleOption): Promise\<boolean>
 
 **示例：**
 
-```javascript
-let bundle = {
-    bundle: "bundleName1",
+```ts
+import Base from '@ohos.base';
+
+let bundle: Notification.BundleOption = {
+  bundle: "bundleName1",
 };
 
-Notification.isDistributedEnabledByBundle(bundle).then((data) => {
-    console.info("isDistributedEnabledByBundle success, data: " + JSON.stringify(data));
+Notification.isDistributedEnabledByBundle(bundle).then((data: boolean) => {
+  console.info("isDistributedEnabledByBundle success, data: " + JSON.stringify(data));
+}).catch((err: Base.BusinessError) => {
+  console.error(`isDistributedEnabledByBundle failed, code is ${err}`);
 });
 ```
 
@@ -2739,13 +3015,15 @@ getDeviceRemindType(callback: AsyncCallback\<DeviceRemindType\>): void
 
 **示例：**
 
-```javascript
-function getDeviceRemindTypeCallback(err,data) {
-    if (err.code) {
-        console.info("getDeviceRemindType failed " + JSON.stringify(err));
-    } else {
-        console.info("getDeviceRemindType success");
-    }
+```ts
+import Base from '@ohos.base';
+
+let getDeviceRemindTypeCallback = (err: Base.BusinessError, data: Notification.DeviceRemindType) => {
+  if (err) {
+    console.info("getDeviceRemindType failed " + JSON.stringify(err));
+  } else {
+    console.info("getDeviceRemindType success");
+  }
 };
 
 Notification.getDeviceRemindType(getDeviceRemindTypeCallback);
@@ -2771,9 +3049,13 @@ getDeviceRemindType(): Promise\<DeviceRemindType\>
 
 **示例：**
 
-```javascript
-Notification.getDeviceRemindType().then((data) => {
-    console.info("getDeviceRemindType success, data: " + JSON.stringify(data));
+```ts
+import Base from '@ohos.base';
+
+Notification.getDeviceRemindType().then((data: Notification.DeviceRemindType) => {
+  console.info("getDeviceRemindType success, data: " + JSON.stringify(data));
+}).catch((err: Base.BusinessError) => {
+  console.error(`getDeviceRemindType failed, code is ${err}`);
 });
 ```
 
@@ -3055,7 +3337,7 @@ Notification.getDeviceRemindType().then((data) => {
 | classification        | string                                        | 是  | 是  | 通知分类。<br>**系统API**: 此接口为系统接口，三方应用不支持调用。                   |
 | groupName<sup>8+</sup>| string                                        | 是  | 是  | 组通知名称。                 |
 | template<sup>8+</sup> | [NotificationTemplate](#notificationtemplate8) | 是  | 是  | 通知模板。                   |
-| isRemoveAllowed<sup>10+</sup> | boolean                                | 是  | 否  | 通知是否能被移除。<br>**系统API**: 此接口为系统接口，三方应用不支持调用。                   |
+| isRemoveAllowed<sup>8+</sup> | boolean                                | 是  | 否  | 通知是否能被移除。<br>**系统API**: 此接口为系统接口，三方应用不支持调用。                   |
 | source<sup>8+</sup>   | number                                        | 是  | 否  | 通知源。<br>**系统API**: 此接口为系统接口，三方应用不支持调用。                   |
 | distributedOption<sup>8+</sup>   | [DistributedOptions](#distributedoptions8)                 | 是  | 是  | 分布式通知的选项。          |
 | deviceId<sup>8+</sup> | string                                        | 是  | 否  | 通知源的deviceId。<br>**系统API**: 此接口为系统接口，三方应用不支持调用。          |
diff --git a/zh-cn/application-dev/reference/apis/js-apis-notificationManager.md b/zh-cn/application-dev/reference/apis/js-apis-notificationManager.md
index ae0fbef4e6a1a1175f54b256df91777d83999794..bd8f5503364c31c938265945e8f52920cbce9b43 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-notificationManager.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-notificationManager.md
@@ -10,7 +10,6 @@
 
 ```ts
 import notificationManager from '@ohos.notificationManager';
-import Base from '@ohos.base';
 ```
 
 ## notificationManager.publish
@@ -45,8 +44,10 @@ publish(request: NotificationRequest, callback: AsyncCallback\<void\>): void
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 //publish回调
-function publishCallback(err: Base.BusinessError) {
+let publishCallback = (err: Base.BusinessError) => {
     if (err) {
         console.error(`publish failed, code is ${err.code}, message is ${err.message}`);
     } else {
@@ -99,6 +100,8 @@ publish(request: NotificationRequest): Promise\<void\>
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 // 通知Request对象
 let notificationRequest: notificationManager.NotificationRequest = {
     id: 1,
@@ -113,6 +116,8 @@ let notificationRequest: notificationManager.NotificationRequest = {
 };
 notificationManager.publish(notificationRequest).then(() => {
 	console.info("publish success");
+}).catch((err: Base.BusinessError) => {
+    console.error(`publish fail: ${JSON.stringify(err)}`);
 });
 
 ```
@@ -155,8 +160,10 @@ publish(request: NotificationRequest, userId: number, callback: AsyncCallback\<v
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 // publish回调
-function publishCallback(err: Base.BusinessError) {
+let publishCallback = (err: Base.BusinessError) => {
     if (err) {
         console.error(`publish failed, code is ${err.code}, message is ${err.message}`);
     } else {
@@ -217,6 +224,8 @@ publish(request: NotificationRequest, userId: number): Promise\<void\>
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 let notificationRequest: notificationManager.NotificationRequest = {
     id: 1,
     content: {
@@ -233,6 +242,8 @@ let userId: number = 1;
 
 notificationManager.publish(notificationRequest, userId).then(() => {
 	console.info("publish success");
+}).catch((err: Base.BusinessError) => {
+    console.error(`publish fail: ${JSON.stringify(err)}`);
 });
 ```
 
@@ -267,8 +278,10 @@ cancel(id: number, label: string, callback: AsyncCallback\<void\>): void
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 // cancel回调
-function cancelCallback(err: Base.BusinessError) {
+let cancelCallback = (err: Base.BusinessError) => {
     if (err) {
         console.error(`cancel failed, code is ${err.code}, message is ${err.message}`);
     } else {
@@ -307,8 +320,12 @@ cancel(id: number, label?: string): Promise\<void\>
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 notificationManager.cancel(0).then(() => {
 	console.info("cancel success");
+}).catch((err: Base.BusinessError) => {
+    console.error(`cancel fail: ${JSON.stringify(err)}`);
 });
 ```
 
@@ -341,8 +358,10 @@ cancel(id: number, callback: AsyncCallback\<void\>): void
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 // cancel回调
-function cancelCallback(err: Base.BusinessError) {
+let cancelCallback = (err: Base.BusinessError) => {
     if (err) {
         console.error(`cancel failed, code is ${err.code}, message is ${err.message}`);
     } else {
@@ -379,8 +398,10 @@ cancelAll(callback: AsyncCallback\<void\>): void
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 // cancel回调
-function cancelAllCallback(err: Base.BusinessError) {
+let cancelAllCallback = (err: Base.BusinessError) => {
     if (err) {
         console.error(`cancelAll failed, code is ${err.code}, message is ${err.message}`);
     } else {
@@ -411,8 +432,12 @@ cancelAll(): Promise\<void\>
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 notificationManager.cancelAll().then(() => {
 	console.info("cancelAll success");
+}).catch((err: Base.BusinessError) => {
+    console.error(`cancelAll fail: ${JSON.stringify(err)}`);
 });
 ```
 
@@ -449,8 +474,10 @@ addSlot(slot: NotificationSlot, callback: AsyncCallback\<void\>): void
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 // addslot回调
-function addSlotCallBack(err: Base.BusinessError) {
+let addSlotCallBack = (err: Base.BusinessError) => {
     if (err) {
         console.error(`addSlot failed, code is ${err.code}, message is ${err.message}`);
     } else {
@@ -496,12 +523,16 @@ addSlot(slot: NotificationSlot): Promise\<void\>
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 // 通知slot对象
 let notificationSlot: notificationManager.NotificationSlot = {
     type: notificationManager.SlotType.SOCIAL_COMMUNICATION
 };
 notificationManager.addSlot(notificationSlot).then(() => {
 	console.info("addSlot success");
+}).catch((err: Base.BusinessError) => {
+    console.error(`addSlot fail: ${JSON.stringify(err)}`);
 });
 ```
 
@@ -534,8 +565,10 @@ addSlot(type: SlotType, callback: AsyncCallback\<void\>): void
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 // addslot回调
-function addSlotCallBack(err: Base.BusinessError) {
+let addSlotCallBack = (err: Base.BusinessError) => {
     if (err) {
         console.error(`addSlot failed, code is ${err.code}, message is ${err.message}`);
     } else {
@@ -573,8 +606,12 @@ addSlot(type: SlotType): Promise\<void\>
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 notificationManager.addSlot(notificationManager.SlotType.SOCIAL_COMMUNICATION).then(() => {
 	console.info("addSlot success");
+}).catch((err: Base.BusinessError) => {
+    console.error(`addSlot fail: ${JSON.stringify(err)}`);
 });
 ```
 
@@ -611,8 +648,10 @@ addSlots(slots: Array\<NotificationSlot\>, callback: AsyncCallback\<void\>): voi
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 // addSlots回调
-function addSlotsCallBack(err: Base.BusinessError) {
+let addSlotsCallBack = (err: Base.BusinessError) => {
     if (err) {
         console.error(`addSlots failed, code is ${err.code}, message is ${err.message}`);
     } else {
@@ -662,6 +701,8 @@ addSlots(slots: Array\<NotificationSlot\>): Promise\<void\>
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 // 通知slot对象
 let notificationSlot: notificationManager.NotificationSlot = {
     type: notificationManager.SlotType.SOCIAL_COMMUNICATION
@@ -672,6 +713,8 @@ notificationSlotArray[0] = notificationSlot;
 
 notificationManager.addSlots(notificationSlotArray).then(() => {
 	console.info("addSlots success");
+}).catch((err: Base.BusinessError) => {
+    console.error(`addSlot fail: ${JSON.stringify(err)}`);
 });
 ```
 
@@ -703,8 +746,10 @@ getSlot(slotType: SlotType, callback: AsyncCallback\<NotificationSlot\>): void
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 // getSlot回调
-function getSlotCallback(err: Base.BusinessError, data: notificationManager.NotificationSlot) {
+let getSlotCallback = (err: Base.BusinessError, data: notificationManager.NotificationSlot) => {
     if (err) {
         console.error(`getSlot failed, code is ${err.code}, message is ${err.message}`);
     } else {
@@ -748,10 +793,14 @@ getSlot(slotType: SlotType): Promise\<NotificationSlot\>
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 let slotType: notificationManager.SlotType = notificationManager.SlotType.SOCIAL_COMMUNICATION;
 
 notificationManager.getSlot(slotType).then((data: notificationManager.NotificationSlot) => {
-  console.info("getSlot success, data: " + JSON.stringify(data));
+    console.info("getSlot success, data: " + JSON.stringify(data));
+}).catch((err: Base.BusinessError) => {
+    console.error(`getSlot fail: ${JSON.stringify(err)}`);
 });
 ```
 
@@ -782,8 +831,10 @@ getSlots(callback: AsyncCallback\<Array\<NotificationSlot>>): void
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 // getSlots回调
-function getSlotsCallback(err: Base.BusinessError, data: Array<notificationManager.NotificationSlot>) {
+let getSlotsCallback = (err: Base.BusinessError, data: Array<notificationManager.NotificationSlot>) => {
   if (err) {
     console.error(`getSlots failed, code is ${err.code}, message is ${err.message}`);
   } else {
@@ -820,8 +871,12 @@ getSlots(): Promise\<Array\<NotificationSlot>>
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 notificationManager.getSlots().then((data: Array<notificationManager.NotificationSlot>) => {
 	console.info("getSlots success, data: " + JSON.stringify(data));
+}).catch((err: Base.BusinessError) => {
+    console.error(`getSlots fail: ${JSON.stringify(err)}`);
 });
 ```
 
@@ -853,8 +908,10 @@ removeSlot(slotType: SlotType, callback: AsyncCallback\<void\>): void
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 // removeSlot回调
-function removeSlotCallback(err: Base.BusinessError) {
+let removeSlotCallback = (err: Base.BusinessError) => {
   if (err) {
     console.error(`removeSlot failed, code is ${err.code}, message is ${err.message}`);
   } else {
@@ -892,9 +949,13 @@ removeSlot(slotType: SlotType): Promise\<void\>
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 let slotType: notificationManager.SlotType = notificationManager.SlotType.SOCIAL_COMMUNICATION;
 notificationManager.removeSlot(slotType).then(() => {
 	console.info("removeSlot success");
+}).catch((err: Base.BusinessError) => {
+    console.error(`removeSlot fail: ${JSON.stringify(err)}`);
 });
 ```
 
@@ -925,7 +986,9 @@ removeAllSlots(callback: AsyncCallback\<void\>): void
 **示例：**
 
 ```ts
-function removeAllCallBack(err: Base.BusinessError) {
+import Base from '@ohos.base';
+
+let removeAllCallBack = (err: Base.BusinessError) => {
     if (err) {
         console.error(`removeAllSlots failed, code is ${err.code}, message is ${err.message}`);
     } else {
@@ -956,8 +1019,12 @@ removeAllSlots(): Promise\<void\>
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 notificationManager.removeAllSlots().then(() => {
 	console.info("removeAllSlots success");
+}).catch((err: Base.BusinessError) => {
+    console.error(`removeAllSlots fail: ${JSON.stringify(err)}`);
 });
 ```
 
@@ -995,7 +1062,9 @@ setNotificationEnable(bundle: BundleOption, enable: boolean, callback: AsyncCall
 **示例：**
 
 ```ts
-function setNotificationEnableCallback(err: Base.BusinessError) {
+import Base from '@ohos.base';
+
+let setNotificationEnableCallback = (err: Base.BusinessError) => {
     if (err) {
         console.error(`setNotificationEnableCallback failed, code is ${err.code}, message is ${err.message}`);
     } else {
@@ -1041,11 +1110,15 @@ setNotificationEnable(bundle: BundleOption, enable: boolean): Promise\<void\>
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 let bundle: notificationManager.BundleOption = {
     bundle: "bundleName1",
 };
 notificationManager.setNotificationEnable(bundle, false).then(() => {
 	console.info("setNotificationEnable success");
+}).catch((err: Base.BusinessError) => {
+    console.error(`setNotificationEnable fail: ${JSON.stringify(err)}`);
 });
 ```
 
@@ -1082,7 +1155,9 @@ isNotificationEnabled(bundle: BundleOption, callback: AsyncCallback\<boolean\>):
 **示例：**
 
 ```ts
-function isNotificationEnabledCallback(err: Base.BusinessError, data: boolean) {
+import Base from '@ohos.base';
+
+let isNotificationEnabledCallback = (err: Base.BusinessError, data: boolean) => {
     if (err) {
         console.error(`isNotificationEnabled failed, code is ${err.code}, message is ${err.message}`);
     } else {
@@ -1135,11 +1210,15 @@ isNotificationEnabled(bundle: BundleOption): Promise\<boolean\>
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 let bundle: notificationManager.BundleOption = {
     bundle: "bundleName1",
 };
 notificationManager.isNotificationEnabled(bundle).then((data: boolean) => {
 	console.info("isNotificationEnabled success, data: " + JSON.stringify(data));
+}).catch((err: Base.BusinessError) => {
+    console.error(`isNotificationEnabled fail: ${JSON.stringify(err)}`);
 });
 ```
 
@@ -1174,7 +1253,9 @@ isNotificationEnabled(callback: AsyncCallback\<boolean\>): void
 **示例：**
 
 ```ts
-function isNotificationEnabledCallback(err: Base.BusinessError, data: boolean) {
+import Base from '@ohos.base';
+
+let isNotificationEnabledCallback = (err: Base.BusinessError, data: boolean) => {
     if (err) {
         console.error(`isNotificationEnabled failed, code is ${err.code}, message is ${err.message}`);
     } else {
@@ -1216,8 +1297,12 @@ isNotificationEnabled(): Promise\<boolean\>
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 notificationManager.isNotificationEnabled().then((data: boolean) => {
 	console.info("isNotificationEnabled success, data: " + JSON.stringify(data));
+}).catch((err: Base.BusinessError) => {
+    console.error(`isNotificationEnabled fail: ${JSON.stringify(err)}`);
 });
 ```
 
@@ -1254,7 +1339,9 @@ isNotificationEnabled(userId: number, callback: AsyncCallback\<boolean\>): void
 **示例：**
 
 ```ts
-function isNotificationEnabledCallback(err: Base.BusinessError, data: boolean) {
+import Base from '@ohos.base';
+
+let isNotificationEnabledCallback = (err: Base.BusinessError, data: boolean) => {
     if (err) {
         console.error(`isNotificationEnabled failed, code is ${err.code}, message is ${err.message}`);
     } else {
@@ -1305,10 +1392,14 @@ isNotificationEnabled(userId: number): Promise\<boolean\>
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 let userId: number = 1;
 
 notificationManager.isNotificationEnabled(userId).then((data: boolean) => {
 	console.info("isNotificationEnabled success, data: " + JSON.stringify(data));
+}).catch((err: Base.BusinessError) => {
+    console.error(`isNotificationEnabled fail: ${JSON.stringify(err)}`);
 });
 ```
 
@@ -1346,7 +1437,9 @@ displayBadge(bundle: BundleOption, enable: boolean, callback: AsyncCallback\<voi
 **示例：**
 
 ```ts
-function displayBadgeCallback(err: Base.BusinessError) {
+import Base from '@ohos.base';
+
+let displayBadgeCallback = (err: Base.BusinessError) => {
     if (err) {
         console.error(`displayBadge failed, code is ${err.code}, message is ${err.message}`);
     } else {
@@ -1392,11 +1485,15 @@ displayBadge(bundle: BundleOption, enable: boolean): Promise\<void\>
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 let bundle: notificationManager.BundleOption = {
     bundle: "bundleName1",
 };
 notificationManager.displayBadge(bundle, false).then(() => {
 	console.info("displayBadge success");
+}).catch((err: Base.BusinessError) => {
+    console.error(`displayBadge fail: ${JSON.stringify(err)}`);
 });
 ```
 
@@ -1433,7 +1530,9 @@ isBadgeDisplayed(bundle: BundleOption, callback: AsyncCallback\<boolean\>): void
 **示例：**
 
 ```ts
-function isBadgeDisplayedCallback(err: Base.BusinessError, data: boolean) {
+import Base from '@ohos.base';
+
+let isBadgeDisplayedCallback = (err: Base.BusinessError, data: boolean) => {
     if (err) {
         console.error(`isBadgeDisplayed failed, code is ${err.code}, message is ${err.message}`);
     } else {
@@ -1484,12 +1583,16 @@ isBadgeDisplayed(bundle: BundleOption): Promise\<boolean\>
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 let bundle: notificationManager.BundleOption = {
   bundle: "bundleName1",
 };
 
 notificationManager.isBadgeDisplayed(bundle).then((data: boolean) => {
 	console.info("isBadgeDisplayed success, data: " + JSON.stringify(data));
+}).catch((err: Base.BusinessError) => {
+    console.error(`isBadgeDisplayed fail: ${JSON.stringify(err)}`);
 });
 ```
 
@@ -1519,10 +1622,14 @@ setBadgeNumber(badgeNumber: number): Promise\<void\>
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 let badgeNumber: number = 10;
 
 notificationManager.setBadgeNumber(badgeNumber).then(() => {
 	console.info("displayBadge success");
+}).catch((err: Base.BusinessError) => {
+    console.error(`displayBadge fail: ${JSON.stringify(err)}`);
 });
 ```
 
@@ -1555,7 +1662,9 @@ setBadgeNumber(badgeNumber: number, callback: AsyncCallback\<void\>): void
 **示例：**
 
 ```ts
-function setBadgeNumberCallback(err: Base.BusinessError) {
+import Base from '@ohos.base';
+
+let setBadgeNumberCallback = (err: Base.BusinessError) => {
     if (err) {
         console.info(`displayBadge failed code is ${err.code}, message is ${err.message}`);
     } else {
@@ -1601,7 +1710,9 @@ setSlotByBundle(bundle: BundleOption, slot: NotificationSlot, callback: AsyncCal
 **示例：**
 
 ```ts
-function setSlotByBundleCallback(err: Base.BusinessError) {
+import Base from '@ohos.base';
+
+let setSlotByBundleCallback = (err: Base.BusinessError) => {
     if (err) {
         console.error(`setSlotByBundle failed, code is ${err.code}, message is ${err.message}`);
     } else {
@@ -1650,6 +1761,8 @@ setSlotByBundle(bundle: BundleOption, slot: NotificationSlot): Promise\<void\>
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 let bundle: notificationManager.BundleOption = {
     bundle: "bundleName1",
 };
@@ -1660,6 +1773,8 @@ let notificationSlot: notificationManager.NotificationSlot = {
 
 notificationManager.setSlotByBundle(bundle, notificationSlot).then(() => {
 	console.info("setSlotByBundle success");
+}).catch((err: Base.BusinessError) => {
+    console.error(`setSlotByBundle fail: ${JSON.stringify(err)}`);
 });
 ```
 
@@ -1696,7 +1811,9 @@ getSlotsByBundle(bundle: BundleOption, callback: AsyncCallback\<Array\<Notificat
 **示例：**
 
 ```ts
-function getSlotsByBundleCallback(err: Base.BusinessError, data: Array<notificationManager.NotificationSlot>) {
+import Base from '@ohos.base';
+
+let getSlotsByBundleCallback = (err: Base.BusinessError, data: Array<notificationManager.NotificationSlot>) => {
     if (err) {
         console.error(`getSlotByBundle failed, code is ${err.code}, message is ${err.message}`);
     } else {
@@ -1747,12 +1864,16 @@ getSlotsByBundle(bundle: BundleOption): Promise\<Array\<NotificationSlot>>
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 let bundle: notificationManager.BundleOption = {
     bundle: "bundleName1",
 };
 
 notificationManager.getSlotsByBundle(bundle).then((data: Array<notificationManager.NotificationSlot>) => {
 	console.info("getSlotsByBundle success, data: " + JSON.stringify(data));
+}).catch((err: Base.BusinessError) => {
+    console.error(`getSlotsByBundle fail: ${JSON.stringify(err)}`);
 });
 ```
 
@@ -1789,7 +1910,9 @@ getSlotNumByBundle(bundle: BundleOption, callback: AsyncCallback\<number\>): voi
 **示例：**
 
 ```ts
-function getSlotNumByBundleCallback(err: Base.BusinessError, data: number) {
+import Base from '@ohos.base';
+
+let getSlotNumByBundleCallback = (err: Base.BusinessError, data: number) => {
     if (err) {
         console.error(`getSlotByBundle failed, code is ${err.code}, message is ${err.message}`);
     } else {
@@ -1842,12 +1965,16 @@ getSlotNumByBundle(bundle: BundleOption): Promise\<number\>
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 let bundle: notificationManager.BundleOption = {
   bundle: "bundleName1",
 };
 
 notificationManager.getSlotNumByBundle(bundle).then((data: number) => {
 	console.info("getSlotNumByBundle success, data: " + JSON.stringify(data));
+}).catch((err: Base.BusinessError) => {
+    console.error(`getSlotsByBundle fail: ${JSON.stringify(err)}`);
 });
 ```
 
@@ -1881,7 +2008,9 @@ getAllActiveNotifications(callback: AsyncCallback\<Array\<NotificationRequest>>)
 **示例：**
 
 ```ts
-function getAllActiveNotificationsCallback(err: Base.BusinessError, data: Array<notificationManager.NotificationRequest>) {
+import Base from '@ohos.base';
+
+let getAllActiveNotificationsCallback = (err: Base.BusinessError, data: Array<notificationManager.NotificationRequest>) => {
     if (err) {
         console.error(`getAllActiveNotifications failed, code is ${err.code}, message is ${err.message}`);
     } else {
@@ -1923,8 +2052,12 @@ getAllActiveNotifications(): Promise\<Array\<[NotificationRequest](js-apis-inner
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 notificationManager.getAllActiveNotifications().then((data: Array<notificationManager.NotificationRequest>) => {
 	console.info("getAllActiveNotifications success, data: " + JSON.stringify(data));
+}).catch((err: Base.BusinessError) => {
+    console.error(`getAllActiveNotifications fail: ${JSON.stringify(err)}`);
 });
 ```
 
@@ -1955,7 +2088,9 @@ getActiveNotificationCount(callback: AsyncCallback\<number\>): void
 **示例：**
 
 ```ts
-function getActiveNotificationCountCallback(err: Base.BusinessError, data: number) {
+import Base from '@ohos.base';
+
+let getActiveNotificationCountCallback = (err: Base.BusinessError, data: number) => {
     if (err) {
         console.error(`getActiveNotificationCount failed, code is ${err.code}, message is ${err.message}`);
     } else {
@@ -1993,8 +2128,12 @@ getActiveNotificationCount(): Promise\<number\>
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 notificationManager.getActiveNotificationCount().then((data: number) => {
 	console.info("getActiveNotificationCount success, data: " + JSON.stringify(data));
+}).catch((err: Base.BusinessError) => {
+    console.error(`getActiveNotificationCount fail: ${JSON.stringify(err)}`);
 });
 ```
 
@@ -2025,7 +2164,9 @@ getActiveNotifications(callback: AsyncCallback\<Array\<NotificationRequest>>): v
 **示例：**
 
 ```ts
-function getActiveNotificationsCallback(err: Base.BusinessError, data: Array<notificationManager.NotificationRequest>) {
+import Base from '@ohos.base';
+
+let getActiveNotificationsCallback = (err: Base.BusinessError, data: Array<notificationManager.NotificationRequest>) => {
     if (err) {
         console.error(`getActiveNotifications failed, code is ${err.code}, message is ${err.message}`);
     } else {
@@ -2063,8 +2204,12 @@ getActiveNotifications(): Promise\<Array\<[NotificationRequest](js-apis-inner-no
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 notificationManager.getActiveNotifications().then((data: Array<notificationManager.NotificationRequest>) => {
 	console.info("removeGroupByBundle success, data: " + JSON.stringify(data));
+}).catch((err: Base.BusinessError) => {
+    console.error(`getActiveNotificationCount fail: ${JSON.stringify(err)}`);
 });
 ```
 
@@ -2096,7 +2241,9 @@ cancelGroup(groupName: string, callback: AsyncCallback\<void\>): void
 **示例：**
 
 ```ts
-function cancelGroupCallback(err: Base.BusinessError) {
+import Base from '@ohos.base';
+
+let cancelGroupCallback = (err: Base.BusinessError) => {
     if (err) {
         console.error(`cancelGroup failed, code is ${err.code}, message is ${err.message}`);
     } else {
@@ -2136,9 +2283,13 @@ cancelGroup(groupName: string): Promise\<void\>
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 let groupName: string = "GroupName";
 notificationManager.cancelGroup(groupName).then(() => {
 	console.info("cancelGroup success");
+}).catch((err: Base.BusinessError) => {
+    console.error(`cancelGroup fail: ${JSON.stringify(err)}`);
 });
 ```
 
@@ -2176,7 +2327,9 @@ removeGroupByBundle(bundle: BundleOption, groupName: string, callback: AsyncCall
 **示例：**
 
 ```ts
-function removeGroupByBundleCallback(err: Base.BusinessError) {
+import Base from '@ohos.base';
+
+let removeGroupByBundleCallback = (err: Base.BusinessError) => {
     if (err) {
         console.error(`removeGroupByBundle failed, code is ${err.code}, message is ${err.message}`);
     } else {
@@ -2223,11 +2376,15 @@ removeGroupByBundle(bundle: BundleOption, groupName: string): Promise\<void\>
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 let bundleOption: notificationManager.BundleOption = { bundle: "Bundle" };
 let groupName: string = "GroupName";
 
 notificationManager.removeGroupByBundle(bundleOption, groupName).then(() => {
 	console.info("removeGroupByBundle success");
+}).catch((err: Base.BusinessError) => {
+    console.error(`removeGroupByBundle fail: ${JSON.stringify(err)}`);
 });
 ```
 
@@ -2264,7 +2421,9 @@ setDoNotDisturbDate(date: DoNotDisturbDate, callback: AsyncCallback\<void\>): vo
 **示例：**
 
 ```ts
-function setDoNotDisturbDateCallback(err: Base.BusinessError) {
+import Base from '@ohos.base';
+
+let setDoNotDisturbDateCallback = (err: Base.BusinessError) => {
     if (err) {
         console.error(`setDoNotDisturbDate failed, code is ${err.code}, message is ${err.message}`);
     } else {
@@ -2313,6 +2472,8 @@ setDoNotDisturbDate(date: DoNotDisturbDate): Promise\<void\>
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 let doNotDisturbDate: notificationManager.DoNotDisturbDate = {
     type: notificationManager.DoNotDisturbType.TYPE_ONCE,
     begin: new Date(),
@@ -2320,6 +2481,8 @@ let doNotDisturbDate: notificationManager.DoNotDisturbDate = {
 };
 notificationManager.setDoNotDisturbDate(doNotDisturbDate).then(() => {
 	console.info("setDoNotDisturbDate success");
+}).catch((err: Base.BusinessError) => {
+    console.error(`setDoNotDisturbDate fail: ${JSON.stringify(err)}`);
 });
 ```
 
@@ -2359,7 +2522,9 @@ setDoNotDisturbDate(date: DoNotDisturbDate, userId: number, callback: AsyncCallb
 **示例：**
 
 ```ts
-function setDoNotDisturbDateCallback(err: Base.BusinessError) {
+import Base from '@ohos.base';
+
+let setDoNotDisturbDateCallback = (err: Base.BusinessError) => {
     if (err) {
         console.error(`setDoNotDisturbDate failed, code is ${err.code}, message is ${err.message}`);
     } else {
@@ -2412,6 +2577,8 @@ setDoNotDisturbDate(date: DoNotDisturbDate, userId: number): Promise\<void\>
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 let doNotDisturbDate: notificationManager.DoNotDisturbDate = {
     type: notificationManager.DoNotDisturbType.TYPE_ONCE,
     begin: new Date(),
@@ -2422,6 +2589,8 @@ let userId: number = 1;
 
 notificationManager.setDoNotDisturbDate(doNotDisturbDate, userId).then(() => {
 	console.info("setDoNotDisturbDate success");
+}).catch((err: Base.BusinessError) => {
+    console.error(`setDoNotDisturbDate fail: ${JSON.stringify(err)}`);
 });
 ```
 
@@ -2458,7 +2627,9 @@ getDoNotDisturbDate(callback: AsyncCallback\<DoNotDisturbDate\>): void
 **示例：**
 
 ```ts
-function getDoNotDisturbDateCallback(err: Base.BusinessError, data: notificationManager.DoNotDisturbDate) {
+import Base from '@ohos.base';
+
+let getDoNotDisturbDateCallback = (err: Base.BusinessError, data: notificationManager.DoNotDisturbDate) => {
     if (err) {
         console.error(`getDoNotDisturbDate failed, code is ${err.code}, message is ${err.message}`);
     } else {
@@ -2501,8 +2672,12 @@ getDoNotDisturbDate(): Promise\<DoNotDisturbDate\>
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 notificationManager.getDoNotDisturbDate().then((data: notificationManager.DoNotDisturbDate) => {
   console.info("getDoNotDisturbDate success, data: " + JSON.stringify(data));
+}).catch((err: Base.BusinessError) => {
+    console.error(`getDoNotDisturbDate fail: ${JSON.stringify(err)}`);
 });
 ```
 
@@ -2541,7 +2716,9 @@ getDoNotDisturbDate(userId: number, callback: AsyncCallback\<DoNotDisturbDate\>)
 **示例：**
 
 ```ts
-function getDoNotDisturbDateCallback(err: Base.BusinessError, data: notificationManager.DoNotDisturbDate) {
+import Base from '@ohos.base';
+
+let getDoNotDisturbDateCallback = (err: Base.BusinessError, data: notificationManager.DoNotDisturbDate) => {
     if (err) {
         console.error(`getDoNotDisturbDate failed, code is ${err.code}, message is ${err.message}`);
     } else {
@@ -2593,10 +2770,14 @@ getDoNotDisturbDate(userId: number): Promise\<DoNotDisturbDate\>
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 let userId: number = 1;
 
 notificationManager.getDoNotDisturbDate(userId).then((data: notificationManager.DoNotDisturbDate) => {
 	console.info("getDoNotDisturbDate success, data: " + JSON.stringify(data));
+}).catch((err: Base.BusinessError) => {
+    console.error(`getDoNotDisturbDate fail: ${JSON.stringify(err)}`);
 });
 ```
 
@@ -2630,7 +2811,9 @@ notificationManager.getDoNotDisturbDate(userId).then((data: notificationManager.
 **示例：**
 
 ```ts
-function isSupportDoNotDisturbModeCallback(err: Base.BusinessError, data: boolean) {
+import Base from '@ohos.base';
+
+let isSupportDoNotDisturbModeCallback = (err: Base.BusinessError, data: boolean) => {
     if (err) {
         console.error(`isSupportDoNotDisturbMode failed, code is ${err.code}, message is ${err.message}`);
     } else {
@@ -2672,8 +2855,12 @@ isSupportDoNotDisturbMode(): Promise\<boolean\>
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 notificationManager.isSupportDoNotDisturbMode().then((data: boolean) => {
 	console.info("supportDoNotDisturbMode success, data: " + JSON.stringify(data));
+}).catch((err: Base.BusinessError) => {
+    console.error(`supportDoNotDisturbMode fail: ${JSON.stringify(err)}`);
 });
 ```
 
@@ -2704,9 +2891,11 @@ isSupportTemplate(templateName: string, callback: AsyncCallback\<boolean\>): voi
 
 **示例：**
 
-```javascript
+```ts
+import Base from '@ohos.base';
+
 let templateName: string = 'process';
-function isSupportTemplateCallback(err: Base.BusinessError, data: boolean) {
+let isSupportTemplateCallback = (err: Base.BusinessError, data: boolean) => {
     if (err) {
         console.error(`isSupportTemplate failed, code is ${err.code}, message is ${err.message}`);
     } else {
@@ -2749,11 +2938,15 @@ isSupportTemplate(templateName: string): Promise\<boolean\>
 
 **示例：**
 
-```javascript
+```ts
+import Base from '@ohos.base';
+
 let templateName: string = 'process';
 
 notificationManager.isSupportTemplate(templateName).then((data: boolean) => {
     console.info("isSupportTemplate success, data: " + JSON.stringify(data));
+}).catch((err: Base.BusinessError) => {
+    console.error(`isSupportTemplate fail: ${JSON.stringify(err)}`);
 });
 ```
 
@@ -2783,8 +2976,10 @@ requestEnableNotification(callback: AsyncCallback\<void\>): void
 
 **示例：**
 
-```javascript
-function requestEnableNotificationCallback(err: Base.BusinessError) {
+```ts
+import Base from '@ohos.base';
+
+let requestEnableNotificationCallback = (err: Base.BusinessError) => {
     if (err) {
         console.error(`requestEnableNotification failed, code is ${err.code}, message is ${err.message}`);
     } else {
@@ -2815,9 +3010,13 @@ requestEnableNotification(): Promise\<void\>
 
 **示例：**
 
-```javascript
+```ts
+import Base from '@ohos.base';
+
 notificationManager.requestEnableNotification().then(() => {
     console.info("requestEnableNotification success");
+}).catch((err: Base.BusinessError) => {
+    console.error(`requestEnableNotification fail: ${JSON.stringify(err)}`);
 });
 ```
 
@@ -2848,8 +3047,10 @@ requestEnableNotification(context: UIAbilityContext, callback: AsyncCallback\<vo
 
 **示例：**
 
-```javascript
-function requestEnableNotificationCallback(err) {
+```ts
+import Base from '@ohos.base';
+
+let requestEnableNotificationCallback = (err: Base.BusinessError) => {
     if (err) {
         console.error(`requestEnableNotification failed, code is ${err.code}, message is ${err.message}`);
     } else {
@@ -2886,9 +3087,13 @@ requestEnableNotification(context: UIAbilityContext): Promise\<void\>
 
 **示例：**
 
-```javascript
+```ts
+import Base from '@ohos.base';
+
 notificationManager.requestEnableNotification(globalThis.uicontext).then(() => {
     console.info("requestEnableNotification success");
+}).catch((err: Base.BusinessError) => {
+    console.error(`requestEnableNotification fail: ${JSON.stringify(err)}`);
 });
 ```
 
@@ -2924,8 +3129,10 @@ setDistributedEnable(enable: boolean, callback: AsyncCallback\<void\>): void
 
 **示例：**
 
-```javascript
-function setDistributedEnableCallback(err: Base.BusinessError) {
+```ts
+import Base from '@ohos.base';
+
+let setDistributedEnableCallback = (err: Base.BusinessError) => {
     if (err) {
         console.error(`setDistributedEnable failed, code is ${err.code}, message is ${err.message}`);
     } else {
@@ -2969,11 +3176,15 @@ setDistributedEnable(enable: boolean): Promise\<void>
 
 **示例：**
 
-```javascript
+```ts
+import Base from '@ohos.base';
+
 let enable: boolean = true;
 
 notificationManager.setDistributedEnable(enable).then(() => {
     console.info("setDistributedEnable success");
+}).catch((err: Base.BusinessError) => {
+    console.error(`requestEnableNotification fail: ${JSON.stringify(err)}`);
 });
 ```
 
@@ -3005,8 +3216,10 @@ isDistributedEnabled(callback: AsyncCallback\<boolean>): void
 
 **示例：**
 
-```javascript
-function isDistributedEnabledCallback(err: Base.BusinessError, data: boolean) {
+```ts
+import Base from '@ohos.base';
+
+let isDistributedEnabledCallback = (err: Base.BusinessError, data: boolean) => {
     if (err) {
         console.error(`isDistributedEnabled failed, code is ${err.code}, message is ${err.message}`);
     } else {
@@ -3046,11 +3259,15 @@ isDistributedEnabled(): Promise\<boolean>
 
 **示例：**
 
-```javascript
+```ts
+import Base from '@ohos.base';
+
 notificationManager.isDistributedEnabled()
-    .then((data: boolean) => {
-        console.info("isDistributedEnabled success, data: " + JSON.stringify(data));
-    });
+.then((data: boolean) => {
+    console.info("isDistributedEnabled success, data: " + JSON.stringify(data));
+}).catch((err: Base.BusinessError) => {
+    console.error(`isDistributedEnabled fail: ${JSON.stringify(err)}`);
+});
 ```
 
 
@@ -3088,8 +3305,10 @@ setDistributedEnableByBundle(bundle: BundleOption, enable: boolean, callback: As
 
 **示例：**
 
-```javascript
-function setDistributedEnableByBundleCallback(err: Base.BusinessError) {
+```ts
+import Base from '@ohos.base';
+
+let setDistributedEnableByBundleCallback = (err: Base.BusinessError) => {
     if (err) {
         console.error(`setDistributedEnableByBundle failed, code is ${err.code}, message is ${err.message}`);
     } else {
@@ -3141,7 +3360,9 @@ setDistributedEnableByBundle(bundle: BundleOption, enable: boolean): Promise\<vo
 
 **示例：**
 
-```javascript
+```ts
+import Base from '@ohos.base';
+
 let bundle: notificationManager.BundleOption = {
     bundle: "bundleName1",
 };
@@ -3150,6 +3371,8 @@ let enable: boolean = true;
 
 notificationManager.setDistributedEnableByBundle(bundle, enable).then(() => {
     console.info("setDistributedEnableByBundle success");
+}).catch((err: Base.BusinessError) => {
+    console.error(`setDistributedEnableByBundle fail: ${JSON.stringify(err)}`);
 });
 ```
 
@@ -3186,8 +3409,10 @@ isDistributedEnabledByBundle(bundle: BundleOption, callback: AsyncCallback\<bool
 
 **示例：**
 
-```javascript
-function isDistributedEnabledByBundleCallback(err: Base.BusinessError, data: boolean) {
+```ts
+import Base from '@ohos.base';
+
+let isDistributedEnabledByBundleCallback = (err: Base.BusinessError, data: boolean) => {
     if (err) {
         console.error(`isDistributedEnabledByBundle failed, code is ${err.code}, message is ${err.message}`);
     } else {
@@ -3240,13 +3465,17 @@ isDistributedEnabledByBundle(bundle: BundleOption): Promise\<boolean>
 
 **示例：**
 
-```javascript
+```ts
+import Base from '@ohos.base';
+
 let bundle: notificationManager.BundleOption = {
     bundle: "bundleName1",
 };
 
 notificationManager.isDistributedEnabledByBundle(bundle).then((data: boolean) => {
     console.info("isDistributedEnabledByBundle success, data: " + JSON.stringify(data));
+}).catch((err: Base.BusinessError) => {
+    console.error(`isDistributedEnabledByBundle fail: ${JSON.stringify(err)}`);
 });
 ```
 
@@ -3281,8 +3510,10 @@ getDeviceRemindType(callback: AsyncCallback\<DeviceRemindType\>): void
 
 **示例：**
 
-```javascript
-function getDeviceRemindTypeCallback(err: Base.BusinessError, data: notificationManager.DeviceRemindType) {
+```ts
+import Base from '@ohos.base';
+
+let getDeviceRemindTypeCallback = (err: Base.BusinessError, data: notificationManager.DeviceRemindType) => {
     if (err) {
         console.error(`getDeviceRemindType failed, code is ${err.code}, message is ${err.message}`);
     } else {
@@ -3323,9 +3554,13 @@ getDeviceRemindType(): Promise\<DeviceRemindType\>
 
 **示例：**
 
-```javascript
+```ts
+import Base from '@ohos.base';
+
 notificationManager.getDeviceRemindType().then((data: notificationManager.DeviceRemindType) => {
     console.info("getDeviceRemindType success, data: " + JSON.stringify(data));
+}).catch((err: Base.BusinessError) => {
+    console.error(`getDeviceRemindType fail: ${JSON.stringify(err)}`);
 });
 ```
 
@@ -3369,8 +3604,10 @@ publishAsBundle(request: NotificationRequest, representativeBundle: string, user
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 //publishAsBundle回调
-function callback(err: Base.BusinessError) {
+let callback = (err: Base.BusinessError) => {
     if (err) {
         console.error(`publishAsBundle failed, code is ${err.code}, message is ${err.message}`);
     } else {
@@ -3436,6 +3673,8 @@ publishAsBundle(request: NotificationRequest, representativeBundle: string, user
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 // 被代理应用的包名
 let representativeBundle: string = "com.example.demo";
 // 用户ID
@@ -3455,6 +3694,8 @@ let request: notificationManager.NotificationRequest = {
 
 notificationManager.publishAsBundle(request, representativeBundle, userId).then(() => {
 	console.info("publishAsBundle success");
+}).catch((err: Base.BusinessError) => {
+    console.error(`publishAsBundle fail: ${JSON.stringify(err)}`);
 });
 ```
 
@@ -3496,8 +3737,10 @@ cancelAsBundle(id: number, representativeBundle: string, userId: number, callbac
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 // cancelAsBundle
-function cancelAsBundleCallback(err: Base.BusinessError) {
+let cancelAsBundleCallback = (err: Base.BusinessError) => {
     if (err) {
         console.error(`cancelAsBundle failed, code is ${err.code}, message is ${err.message}`);
     } else {
@@ -3549,6 +3792,8 @@ cancelAsBundle(id: number, representativeBundle: string, userId: number): Promis
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 // 被代理应用的包名
 let representativeBundle: string = "com.example.demo";
 // 用户ID
@@ -3556,6 +3801,8 @@ let userId: number = 100;
 
 notificationManager.cancelAsBundle(0, representativeBundle, userId).then(() => {
 	console.info("cancelAsBundle success");
+}).catch((err: Base.BusinessError) => {
+    console.error(`cancelAsBundle fail: ${JSON.stringify(err)}`);
 });
 ```
 
@@ -3594,8 +3841,10 @@ setNotificationEnableSlot(bundle: BundleOption, type: SlotType, enable: boolean,
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 // setNotificationEnableSlot
-function setNotificationEnableSlotCallback(err: Base.BusinessError) {
+let setNotificationEnableSlotCallback = (err: Base.BusinessError) => {
     if (err) {
         console.error(`setNotificationEnableSlot failed, code is ${err.code}, message is ${err.message}`);
     } else {
@@ -3644,12 +3893,16 @@ setNotificationEnableSlot(bundle: BundleOption, type: SlotType, enable: boolean)
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 // setNotificationEnableSlot
 notificationManager.setNotificationEnableSlot(
     { bundle: "ohos.samples.notification", },
     notificationManager.SlotType.SOCIAL_COMMUNICATION,
     true).then(() => {
         console.info("setNotificationEnableSlot success");
+    }).catch((err: Base.BusinessError) => {
+        console.error(`setNotificationEnableSlot fail: ${JSON.stringify(err)}`);
     });
 ```
 
@@ -3687,8 +3940,10 @@ isNotificationSlotEnabled(bundle: BundleOption, type: SlotType, callback: AsyncC
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 // isNotificationSlotEnabled
-function getEnableSlotCallback(err: Base.BusinessError, data: boolean) {
+let getEnableSlotCallback = (err: Base.BusinessError, data: boolean) => {
     if (err) {
         console.error(`isNotificationSlotEnabled failed, code is ${err.code}, message is ${err.message}`);
     } else {
@@ -3741,10 +3996,14 @@ isNotificationSlotEnabled(bundle: BundleOption, type: SlotType): Promise\<boolea
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 // isNotificationSlotEnabled
 notificationManager.isNotificationSlotEnabled({ bundle: "ohos.samples.notification", },
     notificationManager.SlotType.SOCIAL_COMMUNICATION).then((data: boolean) => {
     console.info("isNotificationSlotEnabled success, data: " + JSON.stringify(data));
+}).catch((err: Base.BusinessError) => {
+    console.error(`isNotificationSlotEnabled fail: ${JSON.stringify(err)}`);
 });
 ```
 
@@ -3783,10 +4042,12 @@ setSyncNotificationEnabledWithoutApp(userId: number, enable: boolean, callback:
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 let userId: number = 100;
 let enable: boolean = true;
 
-function callback(err: Base.BusinessError) {
+let callback = (err: Base.BusinessError) => {
     if (err) {
         console.error(`setSyncNotificationEnabledWithoutApp failed, code is ${err.code}, message is ${err.message}`);
     } else {
@@ -3837,11 +4098,15 @@ setSyncNotificationEnabledWithoutApp(userId: number, enable: boolean): Promise\<
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 let userId: number = 100;
 let enable: boolean = true;
 
 notificationManager.setSyncNotificationEnabledWithoutApp(userId, enable).then(() => {
     console.info('setSyncNotificationEnabledWithoutApp success');
+}).catch((err: Base.BusinessError) => {
+    console.error(`setSyncNotificationEnabledWithoutApp fail: ${JSON.stringify(err)}`);
 });
 ```
 
@@ -3879,9 +4144,11 @@ getSyncNotificationEnabledWithoutApp(userId: number, callback: AsyncCallback\<bo
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 let userId: number = 100;
 
-function getSyncNotificationEnabledWithoutAppCallback(err: Base.BusinessError, data: boolean) {
+let getSyncNotificationEnabledWithoutAppCallback = (err: Base.BusinessError, data: boolean) => {
     if (err) {
         console.info('getSyncNotificationEnabledWithoutAppCallback, err:' + err);
     } else {
@@ -3931,10 +4198,14 @@ getSyncNotificationEnabledWithoutApp(userId: number): Promise\<boolean>
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 let userId: number = 100;
 
 notificationManager.getSyncNotificationEnabledWithoutApp(userId).then((data: boolean) => {
   console.info('getSyncNotificationEnabledWithoutApp, data:' + data);
+}).catch((err: Base.BusinessError) => {
+    console.error(`getSyncNotificationEnabledWithoutApp fail: ${JSON.stringify(err)}`);
 });
 ```
 
@@ -3968,12 +4239,9 @@ on(type: 'checkNotification', callback: (checkInfo: NotificationCheckInfo) => No
 **示例：**
 
 ```ts
-try{
-    notificationManager.on("checkNotification", OnCheckNotification);
-} catch (error){
-    console.info(`notificationManager.on error: ${JSON.stringify(error)}`);
-}
-function OnCheckNotification(info : notificationManager.NotificationCheckInfo) {
+import Base from '@ohos.base';
+
+let OnCheckNotification = (info : notificationManager.NotificationCheckInfo) => {
     console.info(`====>OnCheckNotification info: ${JSON.stringify(info)}`);
     if(info.notificationId == 1){
         let result: notificationManager.NotificationCheckResult =  { code: 1, message: "testMsg1"};
@@ -3983,6 +4251,11 @@ function OnCheckNotification(info : notificationManager.NotificationCheckInfo) {
         return result;
     }
 }
+try{
+    notificationManager.on("checkNotification", OnCheckNotification);
+} catch (error){
+    console.info(`notificationManager.on error: ${JSON.stringify(error)}`);
+}
 ```
 
 ## notificationManager.off<sup>10+</sup>
@@ -4015,6 +4288,8 @@ off(type: 'checkNotification', callback?: (checkInfo: NotificationCheckInfo) =>
 **示例：**
 
 ```ts
+import Base from '@ohos.base';
+
 try{
     notificationManager.off("checkNotification");
 } catch (error){
diff --git a/zh-cn/application-dev/reference/apis/js-apis-notificationSubscribe.md b/zh-cn/application-dev/reference/apis/js-apis-notificationSubscribe.md
index 4cf34024e6b722ffe0b59c5c98c0059715a0cd46..0ca60585ac5778e426244ace6bb464446b660baa 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-notificationSubscribe.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-notificationSubscribe.md
@@ -8,7 +8,7 @@
 
 ## 导入模块
 
-```js
+```ts
 import notificationSubscribe from '@ohos.notificationSubscribe';
 ```
 
@@ -45,23 +45,25 @@ subscribe(subscriber: NotificationSubscriber, info: NotificationSubscribeInfo, c
 
 **示例：**
 
-```js
+```ts
+import Base from '@ohos.base';
+
 //subscribe回调
-function subscribeCallback(err) {
-    if (err) {
-        console.error(`subscribe failed, code is ${err.code}, message is ${err.message}`);
-    } else {
-        console.info("subscribe success");
-    }
+let subscribeCallback = (err: Base.BusinessError) => {
+  if (err) {
+    console.error(`subscribe failed, code is ${err.code}, message is ${err.message}`);
+  } else {
+    console.info("subscribe success");
+  }
 }
-function onConsumeCallback(data) {
-	console.info("Consume callback: " + JSON.stringify(data));
+let onConsumeCallback = (data: notificationSubscribe.SubscribeCallbackData) => {
+  console.info("Consume callback: " + JSON.stringify(data));
 }
-let subscriber = {
-    onConsume: onConsumeCallback
+let subscriber: notificationSubscribe.NotificationSubscriber = {
+  onConsume: onConsumeCallback
 };
-let info = {
-    bundleNames: ["bundleName1","bundleName2"]
+let info: notificationSubscribe.NotificationSubscribeInfo = {
+  bundleNames: ["bundleName1","bundleName2"]
 };
 notificationSubscribe.subscribe(subscriber, info, subscribeCallback);
 ```
@@ -98,19 +100,21 @@ subscribe(subscriber: NotificationSubscriber, callback: AsyncCallback\<void\>):
 
 **示例：**
 
-```js
-function subscribeCallback(err) {
-    if (err) {
-        console.error(`subscribe failed, code is ${err.code}, message is ${err.message}`);
-    } else {
-        console.info("subscribe success");
-    }
+```ts
+import Base from '@ohos.base';
+
+let subscribeCallback = (err: Base.BusinessError) => {
+  if (err) {
+    console.error(`subscribe failed, code is ${err.code}, message is ${err.message}`);
+  } else {
+    console.info("subscribe success");
+  }
 }
-function onConsumeCallback(data) {
-	console.info("Consume callback: " + JSON.stringify(data));
+let onConsumeCallback = (data: notificationSubscribe.SubscribeCallbackData) => {
+  console.info("Consume callback: " + JSON.stringify(data));
 }
-let subscriber = {
-    onConsume: onConsumeCallback
+let subscriber: notificationSubscribe.NotificationSubscriber = {
+  onConsume: onConsumeCallback
 };
 notificationSubscribe.subscribe(subscriber, subscribeCallback);
 ```
@@ -149,15 +153,19 @@ subscribe(subscriber: NotificationSubscriber, info?: NotificationSubscribeInfo):
 
 **示例：**
 
-```js
-function onConsumeCallback(data) {
-    console.info("Consume callback: " + JSON.stringify(data));
+```ts
+import Base from '@ohos.base';
+
+let onConsumeCallback = (data: notificationSubscribe.SubscribeCallbackData) => {
+  console.info("Consume callback: " + JSON.stringify(data));
 }
-let subscriber = {
-    onConsume: onConsumeCallback
+let subscriber: notificationSubscribe.NotificationSubscriber = {
+  onConsume: onConsumeCallback
 };
 notificationSubscribe.subscribe(subscriber).then(() => {
-	console.info("subscribe success");
+  console.info("subscribe success");
+}).catch((err: Base.BusinessError) => {
+  console.error("subscribe fail: " + JSON.stringify(err));
 });
 ```
 
@@ -194,19 +202,21 @@ unsubscribe(subscriber: NotificationSubscriber, callback: AsyncCallback\<void\>)
 
 **示例：**
 
-```js
-function unsubscribeCallback(err) {
-    if (err) {
-        console.error(`unsubscribe failed, code is ${err.code}, message is ${err.message}`);
-    } else {
-        console.info("unsubscribe success");
-    }
+```ts
+import Base from '@ohos.base';
+
+let unsubscribeCallback = (err: Base.BusinessError) => {
+  if (err) {
+    console.error(`unsubscribe failed, code is ${err.code}, message is ${err.message}`);
+  } else {
+    console.info("unsubscribe success");
+  }
 }
-function onDisconnectCallback() {
-	console.info("subscribe disconnect");
+let onDisconnectCallback = () => {
+  console.info("subscribe disconnect");
 }
-let subscriber = {
-    onDisconnect: onDisconnectCallback
+let subscriber: notificationSubscribe.NotificationSubscriber = {
+  onDisconnect: onDisconnectCallback
 };
 notificationSubscribe.unsubscribe(subscriber, unsubscribeCallback);
 ```
@@ -241,15 +251,19 @@ unsubscribe(subscriber: NotificationSubscriber): Promise\<void\>
 
 **示例：**
 
-```js
-function onDisconnectCallback() {
-	console.info("subscribe disconnect");
+```ts
+import Base from '@ohos.base';
+
+let onDisconnectCallback = () => {
+  console.info("subscribe disconnect");
 }
-let subscriber = {
-    onDisconnect: onDisconnectCallback
+let subscriber: notificationSubscribe.NotificationSubscriber = {
+  onDisconnect: onDisconnectCallback
 };
 notificationSubscribe.unsubscribe(subscriber).then(() => {
-	console.info("unsubscribe success");
+  console.info("unsubscribe success");
+}).catch((err: Base.BusinessError) => {
+  console.error("unsubscribe fail: " + JSON.stringify(err));
 });
 ```
 
@@ -288,22 +302,25 @@ remove(bundle: BundleOption, notificationKey: NotificationKey, reason: RemoveRea
 
 **示例：**
 
-```js
-function removeCallback(err) {
-    if (err) {
-        console.error(`remove failed, code is ${err.code}, message is ${err.message}`);
-    } else {
-        console.info("remove success");
-    }
+```ts
+import Base from '@ohos.base';
+import NotificationManager from '@ohos.notificationManager';
+
+let removeCallback = (err: Base.BusinessError) => {
+  if (err) {
+    console.error(`remove failed, code is ${err.code}, message is ${err.message}`);
+  } else {
+    console.info("remove success");
+  }
 }
-let bundle = {
-    bundle: "bundleName1",
+let bundle: NotificationManager.BundleOption = {
+  bundle: "bundleName1",
 };
-let notificationKey = {
-    id: 0,
-    label: "label",
+let notificationKey: notificationSubscribe.NotificationKey = {
+  id: 0,
+  label: "label",
 };
-let reason = notificationSubscribe.RemoveReason.CLICK_REASON_REMOVE;
+let reason: notificationSubscribe.RemoveReason = notificationSubscribe.RemoveReason.CLICK_REASON_REMOVE;
 notificationSubscribe.remove(bundle, notificationKey, reason, removeCallback);
 ```
 
@@ -343,17 +360,22 @@ remove(bundle: BundleOption, notificationKey: NotificationKey, reason: RemoveRea
 
 **示例：**
 
-```js
-let bundle = {
-    bundle: "bundleName1",
+```ts
+import Base from '@ohos.base';
+import NotificationManager from '@ohos.notificationManager';
+
+let bundle: NotificationManager.BundleOption = {
+  bundle: "bundleName1",
 };
-let notificationKey = {
-    id: 0,
-    label: "label",
+let notificationKey: notificationSubscribe.NotificationKey = {
+  id: 0,
+  label: "label",
 };
-let reason = notificationSubscribe.RemoveReason.CLICK_REASON_REMOVE;
+let reason: notificationSubscribe.RemoveReason = notificationSubscribe.RemoveReason.CLICK_REASON_REMOVE;
 notificationSubscribe.remove(bundle, notificationKey, reason).then(() => {
-	console.info("remove success");
+  console.info("remove success");
+}).catch((err: Base.BusinessError) => {
+  console.error("remove fail: " + JSON.stringify(err));
 });
 ```
 
@@ -390,17 +412,19 @@ remove(hashCode: string, reason: RemoveReason, callback: AsyncCallback\<void\>):
 
 **示例：**
 
-```js
-let hashCode = 'hashCode';
+```ts
+import Base from '@ohos.base';
 
-function removeCallback(err) {
-    if (err) {
-        console.error(`remove failed, code is ${err.code}, message is ${err.message}`);
-    } else {
-        console.info("remove success");
-    }
+let hashCode: string = 'hashCode';
+
+let removeCallback = (err: Base.BusinessError) => {
+  if (err) {
+    console.error(`remove failed, code is ${err.code}, message is ${err.message}`);
+  } else {
+    console.info("remove success");
+  }
 }
-let reason = notificationSubscribe.RemoveReason.CANCEL_REASON_REMOVE;
+let reason: notificationSubscribe.RemoveReason = notificationSubscribe.RemoveReason.CANCEL_REASON_REMOVE;
 notificationSubscribe.remove(hashCode, reason, removeCallback);
 ```
 
@@ -436,11 +460,15 @@ remove(hashCode: string, reason: RemoveReason): Promise\<void\>
 
 **示例：**
 
-```js
-let hashCode = 'hashCode';
-let reason = notificationSubscribe.RemoveReason.CLICK_REASON_REMOVE;
+```ts
+import Base from '@ohos.base';
+
+let hashCode: string = 'hashCode';
+let reason: notificationSubscribe.RemoveReason = notificationSubscribe.RemoveReason.CLICK_REASON_REMOVE;
 notificationSubscribe.remove(hashCode, reason).then(() => {
 	console.info("remove success");
+}).catch((err: Base.BusinessError) => {
+  console.error("remove fail: " + JSON.stringify(err));
 });
 ```
 ## NotificationSubscribe.remove<sup>10+<sup>
@@ -475,17 +503,19 @@ remove(hashCodes: Array\<String\>, reason: RemoveReason, callback: AsyncCallback
 
 **示例：**
 
-```js
-let hashCodes = ['hashCode1', 'hashCode2'];
+```ts
+import Base from '@ohos.base';
 
-function removeCallback(err) {
-    if (err) {
-        console.error(`remove failed, code is ${err.code}, message is ${err.message}`);
-    } else {
-        console.info("remove success");
-    }
+let hashCodes: string[] = ['hashCode1', 'hashCode2'];
+
+let removeCallback = (err: Base.BusinessError) => {
+  if (err) {
+    console.error(`remove failed, code is ${err.code}, message is ${err.message}`);
+  } else {
+    console.info("remove success");
+  }
 }
-let reason = notificationSubscribe.RemoveReason.CANCEL_REASON_REMOVE;
+let reason: notificationSubscribe.RemoveReason = notificationSubscribe.RemoveReason.CANCEL_REASON_REMOVE;
 notificationSubscribe.remove(hashCodes, reason, removeCallback);
 ```
 
@@ -520,11 +550,15 @@ remove(hashCodes: Array\<String\>, reason: RemoveReason): Promise\<void\>
 
 **示例：**
 
-```js
-let hashCodes = ['hashCode1','hashCode2'];
-let reason = notificationSubscribe.RemoveReason.CLICK_REASON_REMOVE;
+```ts
+import Base from '@ohos.base';
+
+let hashCodes: string[] = ['hashCode1','hashCode2'];
+let reason: notificationSubscribe.RemoveReason = notificationSubscribe.RemoveReason.CLICK_REASON_REMOVE;
 notificationSubscribe.remove(hashCodes, reason).then(() => {
-    console.info("remove success");
+  console.info("remove success");
+}).catch((err: Base.BusinessError) => {
+  console.error("remove fail: " + JSON.stringify(err));
 });
 ```
 
@@ -560,16 +594,18 @@ removeAll(bundle: BundleOption, callback: AsyncCallback\<void\>): void
 
 **示例：**
 
-```js
-function removeAllCallback(err) {
-    if (err) {
-        console.error(`removeAll failed, code is ${err.code}, message is ${err.message}`);
-    } else {
-        console.info("removeAll success");
-    }
+```ts
+import Base from '@ohos.base';
+
+let removeAllCallback = (err: Base.BusinessError) => {
+  if (err) {
+    console.error(`removeAll failed, code is ${err.code}, message is ${err.message}`);
+  } else {
+    console.info("removeAll success");
+  }
 }
-let bundle = {
-    bundle: "bundleName1",
+let bundle: notificationSubscribe.BundleOption = {
+  bundle: "bundleName1",
 };
 notificationSubscribe.removeAll(bundle, removeAllCallback);
 ```
@@ -604,8 +640,10 @@ removeAll(callback: AsyncCallback\<void\>): void
 
 **示例：**
 
-```js
-function removeAllCallback(err) {
+```ts
+import Base from '@ohos.base';
+
+let removeAllCallback = (err: Base.BusinessError) => {
     if (err) {
         console.error(`removeAll failed, code is ${err.code}, message is ${err.message}`);
     } else {
@@ -647,10 +685,14 @@ removeAll(bundle?: BundleOption): Promise\<void\>
 
 **示例：**
 
-```js
+```ts
+import Base from '@ohos.base';
+
 // 不指定应用时，删除所有通知
 notificationSubscribe.removeAll().then(() => {
 	console.info("removeAll success");
+}).catch((err: Base.BusinessError) => {
+  console.error("removeAll fail: " + JSON.stringify(err));
 });
 ```
 
@@ -686,16 +728,18 @@ removeAll(userId: number, callback: AsyncCallback\<void>): void
 
 **示例：**
 
-```js
-function removeAllCallback(err) {
-    if (err) {
-        console.error(`removeAll failed, code is ${err.code}, message is ${err.message}`);
-    } else {
-        console.info("removeAll success");
-    }
+```ts
+import Base from '@ohos.base';
+
+let removeAllCallback = (err: Base.BusinessError) => {
+  if (err) {
+    console.error(`removeAll failed, code is ${err.code}, message is ${err.message}`);
+  } else {
+    console.info("removeAll success");
+  }
 }
 
-let userId = 1;
+let userId: number = 1;
 
 notificationSubscribe.removeAll(userId, removeAllCallback);
 ```
@@ -731,16 +775,18 @@ removeAll(userId: number): Promise\<void>
 
 **示例：**
 
-```js
-function removeAllCallback(err) {
-    if (err) {
-        console.error(`removeAll failed, code is ${err.code}, message is ${err.message}`);
-    } else {
-        console.info("removeAll success");
-    }
+```ts
+import Base from '@ohos.base';
+
+let removeAllCallback = (err: Base.BusinessError) => {
+  if (err) {
+    console.error(`removeAll failed, code is ${err.code}, message is ${err.message}`);
+  } else {
+    console.info("removeAll success");
+  }
 }
 
-let userId = 1;
+let userId: number = 1;
 
 notificationSubscribe.removeAll(userId, removeAllCallback);
 ```
diff --git a/zh-cn/application-dev/reference/apis/js-apis-osAccount.md b/zh-cn/application-dev/reference/apis/js-apis-osAccount.md
index dc98c6587168bb5ea41179f726b6afb4b45ce2c1..ca63703571c005136663c6e693d2357851b90d38 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-osAccount.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-osAccount.md
@@ -90,9 +90,7 @@ activateOsAccount(localId: number, callback: AsyncCallback&lt;void&gt;): void
       }
     });
   } catch (err) {
-    let code = (err as BusinessError).code
-    let message = (err as BusinessError).message
-    console.error(`activateOsAccount failed, code is ${code}, message is ${message}`);
+    console.log('activateOsAccount failed, error:' + JSON.stringify(err));
   }
   ```
 
@@ -180,9 +178,7 @@ checkMultiOsAccountEnabled(callback: AsyncCallback&lt;boolean&gt;): void
       }
     });
   } catch (err) {
-    let code = (err as BusinessError).code
-    let message = (err as BusinessError).message
-    console.error(`checkMultiOsAccountEnabled failed, code is ${code}, message is ${message}`);
+    console.log('checkMultiOsAccountEnabled failed, error:' + JSON.stringify(err));
   }
   ```
 
@@ -218,9 +214,7 @@ checkMultiOsAccountEnabled(): Promise&lt;boolean&gt;
       console.error(`checkMultiOsAccountEnabled failed, code is ${err.code}, message is ${err.message}`);
     });
   } catch (err) {
-    let code = (err as BusinessError).code
-    let message = (err as BusinessError).message
-    console.error(`checkMultiOsAccountEnabled failed, code is ${code}, message is ${message}`);
+    console.log('checkMultiOsAccountEnabled failed, error:' + JSON.stringify(err));
   }
   ```
 
@@ -3544,7 +3538,7 @@ getOsAccountLocalIdFromDomain(domainInfo: DomainAccountInfo, callback: AsyncCall
 
   ```ts
   import { BusinessError } from '@ohos.base';
-  let domainInfo = {domain: 'testDomain', accountName: 'testAccountName'};
+  let domainInfo: account_osAccount.DomainAccountInfo = {domain: 'testDomain', accountName: 'testAccountName'};
   let accountManager = account_osAccount.getAccountManager();
   accountManager.getOsAccountLocalIdFromDomain(domainInfo, (err: BusinessError, localId: number) => {
     if (err) {
@@ -3586,7 +3580,7 @@ getOsAccountLocalIdFromDomain(domainInfo: DomainAccountInfo): Promise&lt;number&
   ```ts
   import { BusinessError } from '@ohos.base';
   let accountManager = account_osAccount.getAccountManager();
-  let domainInfo = {domain: 'testDomain', accountName: 'testAccountName'};
+  let domainInfo: account_osAccount.DomainAccountInfo = {domain: 'testDomain', accountName: 'testAccountName'};
   accountManager.getOsAccountLocalIdFromDomain(domainInfo).then((localId: number) => {
     console.log('getOsAccountLocalIdFromDomain successfully, localId: ' + localId);
   }).catch((err: BusinessError) => {
@@ -4128,10 +4122,10 @@ getAvailableStatus(authType: AuthType, authTrustLevel: AuthTrustLevel): number;
 **示例：**  
   ```ts
   let userAuth = new account_osAccount.UserAuth();
-  let authType = account_osAccount.AuthType.PIN;
-  let authTrustLevel = account_osAccount.AuthTrustLevel.ATL1;
+  let authType: account_osAccount.AuthType = account_osAccount.AuthType.PIN;
+  let authTrustLevel: account_osAccount.AuthTrustLevel = account_osAccount.AuthTrustLevel.ATL1;
   try {
-    let status = userAuth.getAvailableStatus(authType, authTrustLevel);
+    let status: number = userAuth.getAvailableStatus(authType, authTrustLevel);
     console.log('getAvailableStatus status = ' + status);
   } catch (e) {
     console.log('getAvailableStatus exception = ' + JSON.stringify(e));
@@ -4168,7 +4162,7 @@ getProperty(request: GetPropertyRequest, callback: AsyncCallback&lt;ExecutorProp
   ```ts
   import { BusinessError } from '@ohos.base';
   let userAuth = new account_osAccount.UserAuth();
-  let keys = [
+  let keys: Array<account_osAccount.GetPropertyType>  = [
     account_osAccount.GetPropertyType.AUTH_SUB_TYPE,
     account_osAccount.GetPropertyType.REMAIN_TIMES,
     account_osAccount.GetPropertyType.FREEZING_TIME
@@ -4222,7 +4216,7 @@ getProperty(request: GetPropertyRequest): Promise&lt;ExecutorProperty&gt;;
   ```ts
   import { BusinessError } from '@ohos.base';
   let userAuth = new account_osAccount.UserAuth();
-  let keys = [
+  let keys: Array<account_osAccount.GetPropertyType> = [
     account_osAccount.GetPropertyType.AUTH_SUB_TYPE, 
     account_osAccount.GetPropertyType.REMAIN_TIMES,
     account_osAccount.GetPropertyType.FREEZING_TIME
@@ -4325,13 +4319,13 @@ setProperty(request: SetPropertyRequest): Promise&lt;void&gt;;
   ```ts
   import { BusinessError } from '@ohos.base';
   let userAuth = new account_osAccount.UserAuth();
-  let request2: account_osAccount.SetPropertyRequest = {
+  let request: account_osAccount.SetPropertyRequest = {
     authType: account_osAccount.AuthType.PIN,
     key: account_osAccount.SetPropertyType.INIT_ALGORITHM,
     setInfo: new Uint8Array([0])
   };
   try {
-    userAuth.setProperty(request2).then(() => {
+    userAuth.setProperty(request).then(() => {
       console.log('setProperty successfully');
     }).catch((err: BusinessError) => {
       console.log('setProperty failed, error = ' + JSON.stringify(err));
@@ -4386,12 +4380,12 @@ auth(challenge: Uint8Array, authType: AuthType, authTrustLevel: AuthTrustLevel,
 **示例：**
   ```ts
   let userAuth = new account_osAccount.UserAuth();
-  let challenge = new Uint8Array([0]);
-  let authType = account_osAccount.AuthType.PIN;
-  let authTrustLevel = account_osAccount.AuthTrustLevel.ATL1;
+  let challenge: Uint8Array = new Uint8Array([0]);
+  let authType: account_osAccount.AuthType = account_osAccount.AuthType.PIN;
+  let authTrustLevel: account_osAccount.AuthTrustLevel = account_osAccount.AuthTrustLevel.ATL1;
   try {
     userAuth.auth(challenge, authType, authTrustLevel, {
-      onResult: (result,extraInfo) => {
+      onResult: (result: number, extraInfo: account_osAccount.AuthResult) => {
           console.log('auth result = ' + result);
           console.log('auth extraInfo = ' + JSON.stringify(extraInfo));
       }
@@ -4448,9 +4442,9 @@ authUser(userId: number, challenge: Uint8Array, authType: AuthType, authTrustLev
   ```ts
   let userAuth = new account_osAccount.UserAuth();
   let userID: number = 100;
-  let challenge = new Uint8Array([0]);
-  let authType = account_osAccount.AuthType.PIN;
-  let authTrustLevel = account_osAccount.AuthTrustLevel.ATL1;
+  let challenge: Uint8Array = new Uint8Array([0]);
+  let authType: account_osAccount.AuthType = account_osAccount.AuthType.PIN;
+  let authTrustLevel: account_osAccount.AuthTrustLevel = account_osAccount.AuthTrustLevel.ATL1;
   try {
     userAuth.authUser(userID, challenge, authType, authTrustLevel, {
       onResult: (result,extraInfo) => {
@@ -4493,7 +4487,7 @@ cancelAuth(contextID: Uint8Array): void;
   let userAuth = new account_osAccount.UserAuth();
   let pinAuth: account_osAccount.PINAuth = new account_osAccount.PINAuth();
   let challenge = new Uint8Array([0]);
-  let contextId = userAuth.auth(challenge, account_osAccount.AuthType.PIN, account_osAccount.AuthTrustLevel.ATL1, {
+  let contextId: Uint8Array = userAuth.auth(challenge, account_osAccount.AuthType.PIN, account_osAccount.AuthTrustLevel.ATL1, {
     onResult: (result: number, extraInfo: account_osAccount.AuthResult) => {
       console.log('auth result = ' + result);
       console.log('auth extraInfo = ' + JSON.stringify(extraInfo));
@@ -4621,7 +4615,7 @@ static registerInputer(authType: AuthType, inputer: IInputer): void
 
 **示例：**
   ```ts
-  let authType = account_osAccount.AuthType.DOMAIN;
+  let authType: account_osAccount.AuthType = account_osAccount.AuthType.DOMAIN;
   let password: Uint8Array = new Uint8Array([0, 0, 0, 0, 0]);
   try {
     account_osAccount.InputerManager.registerInputer(authType, {
@@ -4661,7 +4655,7 @@ static unregisterInputer(authType: AuthType): void
 
 **示例：**
   ```ts
-  let authType = account_osAccount.AuthType.DOMAIN;
+  let authType: account_osAccount.AuthType = account_osAccount.AuthType.DOMAIN;
   try {
     account_osAccount.InputerManager.unregisterInputer(authType);
     console.log('unregisterInputer success.');
@@ -4726,9 +4720,9 @@ auth(domainAccountInfo: DomainAccountInfo, credential: Uint8Array, callback: IUs
   }
   account_osAccount.DomainAccountManager.registerPlugin(plugin);
   let userAuth = new account_osAccount.UserAuth();
-  let challenge = new Uint8Array([0]);
-  let authType = account_osAccount.AuthType.DOMAIN;
-  let authTrustLevel = account_osAccount.AuthTrustLevel.ATL1;
+  let challenge: Uint8Array = new Uint8Array([0]);
+  let authType: account_osAccount.AuthType = account_osAccount.AuthType.DOMAIN;
+  let authTrustLevel: account_osAccount.AuthTrustLevel = account_osAccount.AuthTrustLevel.ATL1;
   try {
     userAuth.auth(challenge, authType, authTrustLevel, {
       onResult: (resultCode: number, authResult: account_osAccount.AuthResult) => {
diff --git a/zh-cn/application-dev/reference/apis/js-apis-pasteboard.md b/zh-cn/application-dev/reference/apis/js-apis-pasteboard.md
index 6fd08b1dda4c38c29967dd678429f419ed1a6652..2ecc2fe56c99dd046d4e0e5fe5cc0ad25aa9974b 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-pasteboard.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-pasteboard.md
@@ -8,7 +8,7 @@
 
 ## 导入模块
 
-```js
+```ts
 import pasteboard from '@ohos.pasteboard';
 ```
 
@@ -61,16 +61,16 @@ createData(mimeType: string, value: ValueType): PasteData
 
 **示例1：**
 
-  ```js
+  ```ts
   let dataXml = new ArrayBuffer(256);
-  let pasteData = pasteboard.createData('app/xml', dataXml);
+  let pasteData: pasteboard.PasteData = pasteboard.createData('app/xml', dataXml);
   ```
 
 **示例2：**
 
-  ```js
+  ```ts
  let dataText = 'hello';
- let pasteData = pasteboard.createData(pasteboard.MIMETYPE_TEXT_PLAIN, dataText);
+ let pasteData: pasteboard.PasteData = pasteboard.createData(pasteboard.MIMETYPE_TEXT_PLAIN, dataText);
   ```
 
 
@@ -97,16 +97,16 @@ createRecord(mimeType: string, value: ValueType):PasteDataRecord;
 
 **示例1：**
 
-  ```js
+  ```ts
 let dataXml = new ArrayBuffer(256);
-let pasteDataRecord = pasteboard.createRecord('app/xml', dataXml);
+let pasteDataRecord: pasteboard.PasteDataRecord = pasteboard.createRecord('app/xml', dataXml);
   ```
 
 **示例2：**
 
-  ```js
+  ```ts
 let dataUri = 'dataability:///com.example.myapplication1/user.txt';
-let record = pasteboard.createRecord(pasteboard.MIMETYPE_TEXT_URI, dataUri);
+let record: pasteboard.PasteDataRecord = pasteboard.createRecord(pasteboard.MIMETYPE_TEXT_URI, dataUri);
   ```
 
 ## pasteboard.getSystemPasteboard
@@ -125,8 +125,8 @@ getSystemPasteboard(): SystemPasteboard
 
 **示例：**
 
-```js
-let systemPasteboard = pasteboard.getSystemPasteboard();
+```ts
+let systemPasteboard: pasteboard.SystemPasteboard = pasteboard.getSystemPasteboard();
 ```
 
 ## ShareOption<sup>9+</sup>
@@ -166,9 +166,9 @@ createHtmlData(htmlText: string): PasteData
 
 **示例：**
 
-```js
+```ts
 let html = "<!DOCTYPE html>\n" + "<html>\n" + "<head>\n" + "<meta charset=\"utf-8\">\n" + "<title>HTML-PASTEBOARD_HTML</title>\n" + "</head>\n" + "<body>\n" + "    <h1>HEAD</h1>\n" + "    <p></p>\n" + "</body>\n" + "</html>";
-let pasteData = pasteboard.createHtmlData(html);
+let pasteData: pasteboard.PasteData = pasteboard.createHtmlData(html);
 ```
 
 ## pasteboard.createWantData<sup>(deprecated)</sup>
@@ -196,12 +196,14 @@ createWantData(want: Want): PasteData
 
 **示例：**
 
-```js
-let object = {
+```ts
+import Want from '@ohos.app.ability.Want';
+
+let object: Want = {
     bundleName: "com.example.aafwk.test",
     abilityName: "com.example.aafwk.test.TwoAbility"
 };
-let pasteData = pasteboard.createWantData(object);
+let pasteData: pasteboard.PasteData = pasteboard.createWantData(object);
 ```
 
 ## pasteboard.createPlainTextData<sup>(deprecated)</sup>
@@ -229,8 +231,8 @@ createPlainTextData(text: string): PasteData
 
 **示例：**
 
-```js
-let pasteData = pasteboard.createPlainTextData('content');
+```ts
+let pasteData: pasteboard.PasteData = pasteboard.createPlainTextData('content');
 ```
 
 ## pasteboard.createUriData<sup>(deprecated)</sup>
@@ -258,8 +260,8 @@ createUriData(uri: string): PasteData
 
 **示例：**
 
-```js
-let pasteData = pasteboard.createUriData('dataability:///com.example.myapplication1/user.txt');
+```ts
+let pasteData: pasteboard.PasteData = pasteboard.createUriData('dataability:///com.example.myapplication1/user.txt');
 ```
 ## pasteboard.createHtmlTextRecord<sup>(deprecated)</sup>
 
@@ -286,9 +288,9 @@ createHtmlTextRecord(htmlText: string): PasteDataRecord
 
 **示例：**
 
-```js
+```ts
 let html = "<!DOCTYPE html>\n" + "<html>\n" + "<head>\n" + "<meta charset=\"utf-8\">\n" + "<title>HTML-PASTEBOARD_HTML</title>\n" + "</head>\n" + "<body>\n" + "    <h1>HEAD</h1>\n" + "    <p></p>\n" + "</body>\n" + "</html>";
-let record = pasteboard.createHtmlTextRecord(html);
+let record: pasteboard.PasteDataRecord = pasteboard.createHtmlTextRecord(html);
 ```
 
 ## pasteboard.createWantRecord<sup>(deprecated)</sup>
@@ -316,12 +318,14 @@ createWantRecord(want: Want): PasteDataRecord
 
 **示例：**
 
-```js
-let object = {
+```ts
+import Want from '@ohos.app.ability.Want';
+
+let object: Want = {
     bundleName: "com.example.aafwk.test",
     abilityName: "com.example.aafwk.test.TwoAbility"
 };
-let record = pasteboard.createWantRecord(object);
+let record: pasteboard.PasteDataRecord = pasteboard.createWantRecord(object);
 ```
 
 ## pasteboard.createPlainTextRecord<sup>(deprecated)</sup>
@@ -349,8 +353,8 @@ createPlainTextRecord(text: string): PasteDataRecord
 
 **示例：**
 
-```js
-let record = pasteboard.createPlainTextRecord('hello');
+```ts
+let record: pasteboard.PasteDataRecord = pasteboard.createPlainTextRecord('hello');
 ```
 
 ## pasteboard.createUriRecord<sup>(deprecated)</sup>
@@ -378,8 +382,8 @@ createUriRecord(uri: string): PasteDataRecord
 
 **示例：**
 
-```js
-let record = pasteboard.createUriRecord('dataability:///com.example.myapplication1/user.txt');
+```ts
+let record: pasteboard.PasteDataRecord = pasteboard.createUriRecord('dataability:///com.example.myapplication1/user.txt');
 ```
 
 
@@ -392,7 +396,7 @@ let record = pasteboard.createUriRecord('dataability:///com.example.myapplicatio
 
 | 名称 | 类型 | 可读 | 可写 | 说明                                                                                                                                                                                                                                       |
 | -------- | -------- | -------- | -------- |------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
-| additions<sup>7+</sup> | {[key:string]:object} | 是 | 是 | 设置其他附加属性数据。                                                                                                                                                                                                                              |
+| additions<sup>7+</sup> | {[key:string]:object} | 是 | 是 | 设置其他附加属性数据。不支持动态追加属性，只能通过重新赋值的方式修改附加值，具体见相关示例setProperty。                                                                                                                                                                                                                              |
 | mimeTypes<sup>7+</sup> | Array&lt;string&gt; | 是 | 否 | 剪贴板内容条目的数据类型，非重复的类型列表。                                                                                                                                                                                                                   |
 | tag<sup>7+</sup> | string | 是 | 是 | 用户自定义标签。                                                                                                                                                                                                                                 |
 | timestamp<sup>7+</sup> | number | 是 | 否 | 剪贴板数据的写入时间戳（单位：ms）。                                                                                                                                                                                                                      |
@@ -433,9 +437,9 @@ toPlainText(): string
 
 **示例：**
 
-```js
-let record = pasteboard.createRecord(pasteboard.MIMETYPE_TEXT_URI, 'dataability:///com.example.myapplication1/user.txt');
-let data = record.toPlainText();
+```ts
+let record: pasteboard.PasteDataRecord = pasteboard.createRecord(pasteboard.MIMETYPE_TEXT_URI, 'dataability:///com.example.myapplication1/user.txt');
+let data: string = record.toPlainText();
 console.info(`Succeeded in converting to text. Data: ${data}`);
 ```
 
@@ -458,13 +462,15 @@ convertToText(callback: AsyncCallback&lt;string&gt;): void
 
 **示例：**
 
-```js
-let record = pasteboard.createUriRecord('dataability:///com.example.myapplication1/user.txt');
-record.convertToText((err, data) => {
+```ts
+import { BusinessError } from '@ohos.base';
+
+let record: pasteboard.PasteDataRecord = pasteboard.createUriRecord('dataability:///com.example.myapplication1/user.txt');
+record.convertToText((err: BusinessError, data: string) => {
     if (err) {
         console.error(`Failed to convert to text. Cause: ${err.message}`);
-        return;   
-      }
+        return;
+    }
     console.info(`Succeeded in converting to text. Data: ${data}`);
 });
 ```
@@ -488,11 +494,13 @@ convertToText(): Promise&lt;string&gt;
 
 **示例：**
 
-```js
-let record = pasteboard.createUriRecord('dataability:///com.example.myapplication1/user.txt');
-record.convertToText().then((data) => {
+```ts
+import { BusinessError } from '@ohos.base';
+
+let record: pasteboard.PasteDataRecord = pasteboard.createUriRecord('dataability:///com.example.myapplication1/user.txt');
+record.convertToText().then((data: string) => {
     console.info(`Succeeded in converting to text. Data: ${data}`);
-}).catch((err) => {
+}).catch((err: BusinessError) => {
     console.error(`Failed to convert to text. Cause: ${err.message}`);
 });
 ```
@@ -521,9 +529,9 @@ getPrimaryText(): string
 
 **示例：**
 
-```js
-let pasteData = pasteboard.createData(pasteboard.MIMETYPE_TEXT_PLAIN, 'hello');
-let plainText = pasteData.getPrimaryText();
+```ts
+let pasteData: pasteboard.PasteData = pasteboard.createData(pasteboard.MIMETYPE_TEXT_PLAIN, 'hello');
+let plainText: string = pasteData.getPrimaryText();
 ```
 
 ### getPrimaryHtml<sup>7+</sup>
@@ -542,10 +550,10 @@ getPrimaryHtml(): string
 
 **示例：**
 
-```js
+```ts
 let html = "<!DOCTYPE html>\n" + "<html>\n" + "<head>\n" + "<meta charset=\"utf-8\">\n" + "<title>HTML-PASTEBOARD_HTML</title>\n" + "</head>\n" + "<body>\n" + "    <h1>HEAD</h1>\n" + "    <p></p>\n" + "</body>\n" + "</html>";
-let pasteData = pasteboard.createData(pasteboard.MIMETYPE_TEXT_HTML, html);
-let htmlText = pasteData.getPrimaryHtml();
+let pasteData: pasteboard.PasteData = pasteboard.createData(pasteboard.MIMETYPE_TEXT_HTML, html);
+let htmlText: string = pasteData.getPrimaryHtml();
 ```
 
 ### getPrimaryWant<sup>7+</sup>
@@ -564,13 +572,15 @@ getPrimaryWant(): Want
 
 **示例：**
 
-```js
-let object = { 
+```ts
+import Want from '@ohos.app.ability.Want';
+
+let object: Want = {
     bundleName: "com.example.aafwk.test",
     abilityName: "com.example.aafwk.test.TwoAbility"
 };
-let pasteData = pasteboard.createData(pasteboard.MIMETYPE_TEXT_WANT, object);
-let want = pasteData.getPrimaryWant();
+let pasteData: pasteboard.PasteData = pasteboard.createData(pasteboard.MIMETYPE_TEXT_WANT, object);
+let want: Want = pasteData.getPrimaryWant();
 ```
 
 ### getPrimaryUri<sup>7+</sup>
@@ -589,9 +599,9 @@ getPrimaryUri(): string
 
 **示例：**
 
-```js
-let pasteData = pasteboard.createData(pasteboard.MIMETYPE_TEXT_URI, 'dataability:///com.example.myapplication1/user.txt');
-let uri = pasteData.getPrimaryUri();
+```ts
+let pasteData: pasteboard.PasteData = pasteboard.createData(pasteboard.MIMETYPE_TEXT_URI, 'dataability:///com.example.myapplication1/user.txt');
+let uri: string = pasteData.getPrimaryUri();
 ```
 
 ### getPrimaryPixelMap<sup>9+</sup>
@@ -610,20 +620,21 @@ getPrimaryPixelMap(): image.PixelMap
 
 **示例：**
 
-```js
+```ts
 import image from '@ohos.multimedia.image';
 
 let buffer = new ArrayBuffer(128);
-let opt = {
-  size: { height: 3, width: 5 },
-  pixelFormat: 3,
-  editable: true,
-  alphaType: 1,
-  scaleMode: 1
+let realSize: image.Size = { height: 3, width: 5 };
+let opt: image.InitializationOptions = {
+    size: realSize,
+    pixelFormat: 3,
+    editable: true,
+    alphaType: 1,
+    scaleMode: 1
 };
-image.createPixelMap(buffer, opt).then((pixelMap) => {
-    let pasteData = pasteboard.createData(pasteboard.MIMETYPE_PIXELMAP, pixelMap);
-    let PixelMap = pasteData.getPrimaryPixelMap();
+image.createPixelMap(buffer, opt).then((pixelMap: image.PixelMap) => {
+    let pasteData: pasteboard.PasteData = pasteboard.createData(pasteboard.MIMETYPE_PIXELMAP, pixelMap);
+    let PixelMap: image.PixelMap = pasteData.getPrimaryPixelMap();
 });
 ```
 
@@ -643,11 +654,11 @@ addRecord(record: PasteDataRecord): void
 
 **示例：**
 
-```js
-let pasteData = pasteboard.createData(pasteboard.MIMETYPE_TEXT_URI, 'dataability:///com.example.myapplication1/user.txt');
-let textRecord = pasteboard.createRecord(pasteboard.MIMETYPE_TEXT_PLAIN, 'hello');
-let html = "<!DOCTYPE html>\n" + "<html>\n" + "<head>\n" + "<meta charset=\"utf-8\">\n" + "<title>HTML-PASTEBOARD_HTML</title>\n" + "</head>\n" + "<body>\n" + "    <h1>HEAD</h1>\n" + "    <p></p>\n" + "</body>\n" + "</html>";
-let htmlRecord = pasteboard.createRecord(pasteboard.MIMETYPE_TEXT_HTML, html);
+```ts
+let pasteData: pasteboard.PasteData = pasteboard.createData(pasteboard.MIMETYPE_TEXT_URI, 'dataability:///com.example.myapplication1/user.txt');
+let textRecord: pasteboard.PasteDataRecord = pasteboard.createRecord(pasteboard.MIMETYPE_TEXT_PLAIN, 'hello');
+let html: string = "<!DOCTYPE html>\n" + "<html>\n" + "<head>\n" + "<meta charset=\"utf-8\">\n" + "<title>HTML-PASTEBOARD_HTML</title>\n" + "</head>\n" + "<body>\n" + "    <h1>HEAD</h1>\n" + "    <p></p>\n" + "</body>\n" + "</html>";
+let htmlRecord: pasteboard.PasteDataRecord = pasteboard.createRecord(pasteboard.MIMETYPE_TEXT_HTML, html);
 pasteData.addRecord(textRecord);
 pasteData.addRecord(htmlRecord);
 ```
@@ -676,8 +687,8 @@ addRecord(mimeType: string, value: ValueType): void
 
 **示例：**
 
-  ```js
-  let pasteData = pasteboard.createData(pasteboard.MIMETYPE_TEXT_URI, 'dataability:///com.example.myapplication1/user.txt');
+  ```ts
+  let pasteData: pasteboard.PasteData = pasteboard.createData(pasteboard.MIMETYPE_TEXT_URI, 'dataability:///com.example.myapplication1/user.txt');
   let dataXml = new ArrayBuffer(256);
   pasteData.addRecord('app/xml', dataXml);
   ```
@@ -698,9 +709,9 @@ getMimeTypes(): Array&lt;string&gt;
 
 **示例：**
 
-```js
-let pasteData = pasteboard.createData(pasteboard.MIMETYPE_TEXT_PLAIN, 'hello');
-let types = pasteData.getMimeTypes();
+```ts
+let pasteData: pasteboard.PasteData = pasteboard.createData(pasteboard.MIMETYPE_TEXT_PLAIN, 'hello');
+let types: string[] = pasteData.getMimeTypes();
 ```
 
 ### getPrimaryMimeType<sup>7+</sup>
@@ -719,9 +730,9 @@ getPrimaryMimeType(): string
 
 **示例：**
 
-```js
-let pasteData = pasteboard.createData(pasteboard.MIMETYPE_TEXT_PLAIN, 'hello');
-let type = pasteData.getPrimaryMimeType();
+```ts
+let pasteData: pasteboard.PasteData = pasteboard.createData(pasteboard.MIMETYPE_TEXT_PLAIN, 'hello');
+let type: string = pasteData.getPrimaryMimeType();
 ```
 
 ### getProperty<sup>7+</sup>
@@ -740,9 +751,9 @@ getProperty(): PasteDataProperty
 
 **示例：**
 
-```js
-let pasteData = pasteboard.createData(pasteboard.MIMETYPE_TEXT_PLAIN, 'hello');
-let property = pasteData.getProperty();
+```ts
+let pasteData: pasteboard.PasteData = pasteboard.createData(pasteboard.MIMETYPE_TEXT_PLAIN, 'hello');
+let property: pasteboard.PasteDataProperty = pasteData.getProperty();
 ```
 
 ### setProperty<sup>9+</sup>
@@ -761,58 +772,59 @@ setProperty(property: PasteDataProperty): void
 
 **示例：**
 
-```js
-let pasteData = pasteboard.createData(pasteboard.MIMETYPE_TEXT_HTML, 'application/xml');
-let prop = pasteData.getProperty();
+```ts
+type AdditionType = Record<string, Record<string, Object>>;
+
+let pasteData: pasteboard.PasteData = pasteboard.createData(pasteboard.MIMETYPE_TEXT_HTML, 'application/xml');
+let prop: pasteboard.PasteDataProperty = pasteData.getProperty();
 prop.shareOption = pasteboard.ShareOption.INAPP;
-prop.additions['TestOne'] = {'Test' : 123};
-prop.additions['TestTwo'] = {'Test' : 'additions'};
+// 需要注意，不支持对addition进行追加属性的操作，只能通过重新赋值的方式达到追加属性的目的。
+prop.additions = { 'TestOne': { 'Test': 123 }, 'TestTwo': { 'Test': 'additions' } } as AdditionType;
 prop.tag = 'TestTag';
 pasteData.setProperty(prop);
 ```
 [PasteDataProperty](#pastedataproperty7)的localOnly与shareOption属性互斥，最终结果以shareOption为准，shareOption会影响localOnly的值。
-```js
-(async function() {
-    let pasteData = pasteboard.createData(pasteboard.MIMETYPE_TEXT_PLAIN, 'hello');
-    let prop = pasteData.getProperty();
+```ts
+(async () => {
+    let pasteData: pasteboard.PasteData = pasteboard.createData(pasteboard.MIMETYPE_TEXT_PLAIN, 'hello');
+    let prop: pasteboard.PasteDataProperty = pasteData.getProperty();
     prop.shareOption = pasteboard.ShareOption.INAPP;
     prop.localOnly = false;
-    pasteData.setProperty(prop);    
-    let systemPasteboard = pasteboard.getSystemPasteboard();
-    
+    pasteData.setProperty(prop);
+    let systemPasteboard: pasteboard.SystemPasteboard = pasteboard.getSystemPasteboard();
+
     await systemPasteboard.setData(pasteData).then(async () => {
         console.info('Succeeded in setting PasteData.');
-        await systemPasteboard.getData().then(pasteData => {
-            let prop = pasteData.getProperty();
-            prop.localOnly //true
+        await systemPasteboard.getData().then((pasteData: pasteboard.PasteData) => {
+            let prop: pasteboard.PasteDataProperty = pasteData.getProperty();
+            prop.localOnly; // true
         });
     });
-    
+
     prop.shareOption = pasteboard.ShareOption.LOCALDEVICE;
     prop.localOnly = false;
     pasteData.setProperty(prop);
-    
+
     await systemPasteboard.setData(pasteData).then(async () => {
         console.info('Succeeded in setting PasteData.');
-        await systemPasteboard.getData().then(pasteData => {
-            let prop = pasteData.getProperty();
-            prop.localOnly; //true
+        await systemPasteboard.getData().then((pasteData: pasteboard.PasteData) => {
+            let prop: pasteboard.PasteDataProperty = pasteData.getProperty();
+            prop.localOnly; // true
         });
     });
-    
+
     prop.shareOption = pasteboard.ShareOption.CROSSDEVICE;
     prop.localOnly = true;
     pasteData.setProperty(prop);
-    
+
     await systemPasteboard.setData(pasteData).then(async () => {
         console.info('Succeeded in setting PasteData.');
-        await systemPasteboard.getData().then(pasteData => {
-            let prop = pasteData.getProperty();
-            prop.localOnly; //false
+        await systemPasteboard.getData().then((pasteData: pasteboard.PasteData) => {
+            let prop: pasteboard.PasteDataProperty = pasteData.getProperty();
+            prop.localOnly; // false
         });
     });
 })()
-
 ```
 
 ### getRecord<sup>9+</sup>
@@ -845,9 +857,9 @@ getRecord(index: number): PasteDataRecord
 
 **示例：**
 
-```js
-let pasteData = pasteboard.createData(pasteboard.MIMETYPE_TEXT_PLAIN, 'hello');
-let record = pasteData.getRecord(0);
+```ts
+let pasteData: pasteboard.PasteData = pasteboard.createData(pasteboard.MIMETYPE_TEXT_PLAIN, 'hello');
+let record: pasteboard.PasteDataRecord = pasteData.getRecord(0);
 ```
 
 ### getRecordCount<sup>7+</sup>
@@ -866,9 +878,9 @@ getRecordCount(): number
 
 **示例：**
 
-```js
-let pasteData = pasteboard.createData(pasteboard.MIMETYPE_TEXT_PLAIN, 'hello');
-let count = pasteData.getRecordCount();
+```ts
+let pasteData: pasteboard.PasteData = pasteboard.createData(pasteboard.MIMETYPE_TEXT_PLAIN, 'hello');
+let count: number = pasteData.getRecordCount();
 ```
 
 ### getTag<sup>7+</sup>
@@ -887,9 +899,9 @@ getTag(): string
 
 **示例：**
 
-```js
-let pasteData = pasteboard.createData(pasteboard.MIMETYPE_TEXT_PLAIN, 'hello');
-let tag = pasteData.getTag();
+```ts
+let pasteData: pasteboard.PasteData = pasteboard.createData(pasteboard.MIMETYPE_TEXT_PLAIN, 'hello');
+let tag: string = pasteData.getTag();
 ```
 
 ### hasType<sup>9+</sup>
@@ -914,9 +926,9 @@ hasType(mimeType: string): boolean
 
 **示例：**
 
-```js
-let pasteData = pasteboard.createData(pasteboard.MIMETYPE_TEXT_PLAIN, 'hello');
-let hasType = pasteData.hasType(pasteboard.MIMETYPE_TEXT_PLAIN);
+```ts
+let pasteData: pasteboard.PasteData = pasteboard.createData(pasteboard.MIMETYPE_TEXT_PLAIN, 'hello');
+let hasType: boolean = pasteData.hasType(pasteboard.MIMETYPE_TEXT_PLAIN);
 ```
 
 ### removeRecord<sup>9+</sup>
@@ -943,8 +955,8 @@ removeRecord(index: number): void
 
 **示例：**
 
-```js
-let pasteData = pasteboard.createData(pasteboard.MIMETYPE_TEXT_PLAIN, 'hello');
+```ts
+let pasteData: pasteboard.PasteData = pasteboard.createData(pasteboard.MIMETYPE_TEXT_PLAIN, 'hello');
 pasteData.removeRecord(0);
 ```
 
@@ -973,9 +985,9 @@ replaceRecord(index: number, record: PasteDataRecord): void
 
 **示例：**
 
-```js
-let pasteData = pasteboard.createData(pasteboard.MIMETYPE_TEXT_PLAIN, 'hello');
-let record = pasteboard.createRecord(pasteboard.MIMETYPE_TEXT_URI, 'dataability:///com.example.myapplication1/user.txt');
+```ts
+let pasteData: pasteboard.PasteData = pasteboard.createData(pasteboard.MIMETYPE_TEXT_PLAIN, 'hello');
+let record: pasteboard.PasteDataRecord = pasteboard.createRecord(pasteboard.MIMETYPE_TEXT_URI, 'dataability:///com.example.myapplication1/user.txt');
 pasteData.replaceRecord(0, record);
 ```
 ### addHtmlRecord<sup>(deprecated)</sup>
@@ -998,9 +1010,9 @@ addHtmlRecord(htmlText: string): void
 
 **示例：**
 
-```js
-let pasteData = pasteboard.createPlainTextData('hello');
-let html = "<!DOCTYPE html>\n" + "<html>\n" + "<head>\n" + "<meta charset=\"utf-8\">\n" + "<title>HTML-PASTEBOARD_HTML</title>\n" + "</head>\n" + "<body>\n" + "    <h1>HEAD</h1>\n" + "    <p></p>\n" + "</body>\n" + "</html>";
+```ts
+let pasteData: pasteboard.PasteData = pasteboard.createPlainTextData('hello');
+let html: string = "<!DOCTYPE html>\n" + "<html>\n" + "<head>\n" + "<meta charset=\"utf-8\">\n" + "<title>HTML-PASTEBOARD_HTML</title>\n" + "</head>\n" + "<body>\n" + "    <h1>HEAD</h1>\n" + "    <p></p>\n" + "</body>\n" + "</html>";
 pasteData.addHtmlRecord(html);
 ```
 
@@ -1024,9 +1036,11 @@ addWantRecord(want: Want): void
 
 **示例：**
 
-```js
-let pasteData = pasteboard.createPlainTextData('hello');
-let object = {
+```ts
+import Want from '@ohos.app.ability.Want';
+
+let pasteData: pasteboard.PasteData = pasteboard.createPlainTextData('hello');
+let object: Want = {
     bundleName: "com.example.aafwk.test",
     abilityName: "com.example.aafwk.test.TwoAbility"
 };
@@ -1053,8 +1067,8 @@ addTextRecord(text: string): void
 
 **示例：**
 
-```js
-let pasteData = pasteboard.createPlainTextData('hello');
+```ts
+let pasteData: pasteboard.PasteData = pasteboard.createPlainTextData('hello');
 pasteData.addTextRecord('good');
 ```
 
@@ -1078,8 +1092,8 @@ addUriRecord(uri: string): void
 
 **示例：**
 
-```js
-let pasteData = pasteboard.createPlainTextData('hello');
+```ts
+let pasteData: pasteboard.PasteData = pasteboard.createPlainTextData('hello');
 pasteData.addUriRecord('dataability:///com.example.myapplication1/user.txt');
 ```
 ### getRecordAt<sup>(deprecated)</sup>
@@ -1107,9 +1121,9 @@ getRecordAt(index: number): PasteDataRecord
 
 **示例：**
 
-```js
-let pasteData = pasteboard.createPlainTextData('hello');
-let record = pasteData.getRecordAt(0);
+```ts
+let pasteData: pasteboard.PasteData = pasteboard.createPlainTextData('hello');
+let record: pasteboard.PasteDataRecord = pasteData.getRecordAt(0);
 ```
 
 ### hasMimeType<sup>(deprecated)</sup>
@@ -1137,9 +1151,9 @@ hasMimeType(mimeType: string): boolean
 
 **示例：**
 
-```js
-let pasteData = pasteboard.createPlainTextData('hello');
-let hasType = pasteData.hasMimeType(pasteboard.MIMETYPE_TEXT_PLAIN);
+```ts
+let pasteData: pasteboard.PasteData = pasteboard.createPlainTextData('hello');
+let hasType: boolean = pasteData.hasMimeType(pasteboard.MIMETYPE_TEXT_PLAIN);
 ```
 ### removeRecordAt<sup>(deprecated)</sup>
 
@@ -1166,9 +1180,9 @@ removeRecordAt(index: number): boolean
 
 **示例：**
 
-```js
-let pasteData = pasteboard.createPlainTextData('hello');
-let isRemove = pasteData.removeRecordAt(0);
+```ts
+let pasteData: pasteboard.PasteData = pasteboard.createPlainTextData('hello');
+let isRemove: boolean = pasteData.removeRecordAt(0);
 ```
 ### replaceRecordAt<sup>(deprecated)</sup>
 
@@ -1196,10 +1210,10 @@ replaceRecordAt(index: number, record: PasteDataRecord): boolean
 
 **示例：**
 
-```js
-let pasteData = pasteboard.createPlainTextData('hello');
-let record = pasteboard.createUriRecord('dataability:///com.example.myapplication1/user.txt');
-let isReplace = pasteData.replaceRecordAt(0, record);
+```ts
+let pasteData: pasteboard.PasteData = pasteboard.createPlainTextData('hello');
+let record: pasteboard.PasteDataRecord = pasteboard.createUriRecord('dataability:///com.example.myapplication1/user.txt');
+let isReplace: boolean = pasteData.replaceRecordAt(0, record);
 ```
 
 ## SystemPasteboard
@@ -1208,8 +1222,8 @@ let isReplace = pasteData.replaceRecordAt(0, record);
 
 在调用SystemPasteboard的接口前，需要先通过[getSystemPasteboard](#pasteboardgetsystempasteboard)获取系统剪贴板。
 
-```js
-let systemPasteboard = pasteboard.getSystemPasteboard();
+```ts
+let systemPasteboard: pasteboard.SystemPasteboard = pasteboard.getSystemPasteboard();
 ```
 
 ### on('update')<sup>7+</sup>
@@ -1229,8 +1243,8 @@ on(type:  'update', callback: () =&gt;void ): void
 
 **示例：**
 
-```js
-let systemPasteboard = pasteboard.getSystemPasteboard();
+```ts
+let systemPasteboard: pasteboard.SystemPasteboard = pasteboard.getSystemPasteboard();
 let listener = () => {
     console.info('The system pasteboard has changed.');
 };
@@ -1254,8 +1268,8 @@ off(type:  'update', callback?: () =&gt;void ): void
 
 **示例：**
 
-```js
-let systemPasteboard = pasteboard.getSystemPasteboard();
+```ts
+let systemPasteboard: pasteboard.SystemPasteboard = pasteboard.getSystemPasteboard();
 let listener = () => {
     console.info('The system pasteboard has changed.');
 };
@@ -1278,8 +1292,8 @@ clearData(callback: AsyncCallback&lt;void&gt;): void
 
 **示例：**
 
-```js
-let systemPasteboard = pasteboard.getSystemPasteboard();
+```ts
+let systemPasteboard: pasteboard.SystemPasteboard = pasteboard.getSystemPasteboard();
 systemPasteboard.clearData((err, data) => {
     if (err) {
         console.error(`Failed to clear the pasteboard. Cause: ${err.message}`);
@@ -1305,11 +1319,13 @@ clearData(): Promise&lt;void&gt;
 
 **示例：**
 
-```js
-let systemPasteboard = pasteboard.getSystemPasteboard();
-systemPasteboard.clearData().then((data) => {
+```ts
+import { BusinessError } from '@ohos.base';
+
+let systemPasteboard: pasteboard.SystemPasteboard = pasteboard.getSystemPasteboard();
+systemPasteboard.clearData().then((data: void) => {
     console.info('Succeeded in clearing the pasteboard.');
-}).catch((err) => {
+}).catch((err: BusinessError) => {
     console.error(`Failed to clear the pasteboard. Cause: ${err.message}`);
 });
 ```
@@ -1340,9 +1356,9 @@ setData(data: PasteData, callback: AsyncCallback&lt;void&gt;): void
 
 **示例：**
 
-```js
-let pasteData = pasteboard.createData(pasteboard.MIMETYPE_TEXT_PLAIN, 'content');
-let systemPasteboard = pasteboard.getSystemPasteboard();
+```ts
+let pasteData: pasteboard.PasteData = pasteboard.createData(pasteboard.MIMETYPE_TEXT_PLAIN, 'content');
+let systemPasteboard: pasteboard.SystemPasteboard = pasteboard.getSystemPasteboard();
 systemPasteboard.setData(pasteData, (err, data) => {
     if (err) {
         console.error('Failed to set PasteData. Cause: ' + err.message);
@@ -1383,12 +1399,14 @@ setData(data: PasteData): Promise&lt;void&gt;
 
 **示例：**
 
-```js
-let pasteData = pasteboard.createData(pasteboard.MIMETYPE_TEXT_PLAIN, 'content');
-let systemPasteboard = pasteboard.getSystemPasteboard();
-systemPasteboard.setData(pasteData).then((data) => {
+```ts
+import { BusinessError } from '@ohos.base';
+
+let pasteData: pasteboard.PasteData = pasteboard.createData(pasteboard.MIMETYPE_TEXT_PLAIN, 'content');
+let systemPasteboard: pasteboard.SystemPasteboard = pasteboard.getSystemPasteboard();
+systemPasteboard.setData(pasteData).then((data: void) => {
     console.info('Succeeded in setting PasteData.');
-}).catch((err) => {
+}).catch((err: BusinessError) => {
     console.error('Failed to set PasteData. Cause: ' + err.message);
 });
 ```
@@ -1417,14 +1435,16 @@ getData( callback: AsyncCallback&lt;PasteData&gt;): void
 
 **示例：**
 
-```js
-let systemPasteboard = pasteboard.getSystemPasteboard();
-systemPasteboard.getData((err, pasteData) => {
+```ts
+import { BusinessError } from '@ohos.base';
+
+let systemPasteboard: pasteboard.SystemPasteboard = pasteboard.getSystemPasteboard();
+systemPasteboard.getData((err: BusinessError, pasteData: pasteboard.PasteData) => {
     if (err) {
         console.error('Failed to get PasteData. Cause: ' + err.message);
         return;
     }
-    let text = pasteData.getPrimaryText();
+    let text: string = pasteData.getPrimaryText();
 });
 ```
 
@@ -1452,13 +1472,15 @@ getData(): Promise&lt;PasteData&gt;
 
 **示例：**
 
-```js
-let systemPasteboard = pasteboard.getSystemPasteboard();
-systemPasteboard.getData().then((pasteData) => {
-    let text = pasteData.getPrimaryText();
-}).catch((err) => {
+```ts
+import { BusinessError } from '@ohos.base';
+
+let systemPasteboard: pasteboard.SystemPasteboard = pasteboard.getSystemPasteboard();
+systemPasteboard.getData().then((pasteData: pasteboard.PasteData) => {
+    let text: string = pasteData.getPrimaryText();
+}).catch((err: BusinessError) => {
     console.error('Failed to get PasteData. Cause: ' + err.message);
-})
+});
 ```
 
 ### hasData<sup>9+</sup>
@@ -1477,9 +1499,11 @@ hasData(callback:  AsyncCallback&lt;boolean&gt;): void
 
 **示例：**
 
-```js
-let systemPasteboard = pasteboard.getSystemPasteboard();
-systemPasteboard.hasData((err, data) => {
+```ts
+import { BusinessError } from '@ohos.base';
+
+let systemPasteboard: pasteboard.SystemPasteboard = pasteboard.getSystemPasteboard();
+systemPasteboard.hasData((err: BusinessError, data: boolean) => {
     if (err) {
         console.error(`Failed to check the PasteData. Cause: ${err.message}`);
         return;
@@ -1504,11 +1528,13 @@ hasData(): Promise&lt;boolean&gt;
 
 **示例：**
 
-```js
-let systemPasteboard = pasteboard.getSystemPasteboard();
-systemPasteboard.hasData().then((data) => {
+```ts
+import { BusinessError } from '@ohos.base';
+
+let systemPasteboard: pasteboard.SystemPasteboard = pasteboard.getSystemPasteboard();
+systemPasteboard.hasData().then((data: boolean) => {
     console.info(`Succeeded in checking the PasteData. Data: ${data}`);
-}).catch((err) => {
+}).catch((err: BusinessError) => {
     console.error(`Failed to check the PasteData. Cause: ${err.message}`);
 });
 ```
@@ -1532,7 +1558,8 @@ clear(callback: AsyncCallback&lt;void&gt;): void
 
 **示例：**
 
-```js
+```ts
+let systemPasteboard: pasteboard.SystemPasteboard = pasteboard.getSystemPasteboard();
 systemPasteboard.clear((err, data) => {
     if (err) {
         console.error(`Failed to clear the PasteData. Cause: ${err.message}`);
@@ -1561,10 +1588,13 @@ clear(): Promise&lt;void&gt;
 
 **示例：**
 
-```js
+```ts
+import { BusinessError } from '@ohos.base';
+
+let systemPasteboard: pasteboard.SystemPasteboard = pasteboard.getSystemPasteboard();
 systemPasteboard.clear().then((data) => {
     console.info('Succeeded in clearing the PasteData.');
-}).catch((err) => {
+}).catch((err: BusinessError) => {
     console.error(`Failed to clear the PasteData. Cause: ${err.message}`);
 });
 ```
@@ -1588,14 +1618,16 @@ getPasteData( callback: AsyncCallback&lt;PasteData&gt;): void
 
 **示例：**
 
-```js
-let systemPasteboard = pasteboard.getSystemPasteboard();
-systemPasteboard.getPasteData((err, pasteData) => {
+```ts
+import { BusinessError } from '@ohos.base';
+
+let systemPasteboard: pasteboard.SystemPasteboard = pasteboard.getSystemPasteboard();
+systemPasteboard.getPasteData((err: BusinessError, pasteData: pasteboard.PasteData) => {
     if (err) {
         console.error('Failed to get PasteData. Cause: ' + err.message);
         return;
     }
-    let text = pasteData.getPrimaryText();
+    let text: string = pasteData.getPrimaryText();
 });
 ```
 
@@ -1618,13 +1650,15 @@ getPasteData(): Promise&lt;PasteData&gt;
 
 **示例：**
 
-```js
-let systemPasteboard = pasteboard.getSystemPasteboard();
-systemPasteboard.getPasteData().then((pasteData) => {
-    let text = pasteData.getPrimaryText();
-}).catch((err) => {
+```ts
+import { BusinessError } from '@ohos.base';
+
+let systemPasteboard: pasteboard.SystemPasteboard = pasteboard.getSystemPasteboard();
+systemPasteboard.getPasteData().then((pasteData: pasteboard.PasteData) => {
+    let text: string = pasteData.getPrimaryText();
+}).catch((err: BusinessError) => {
     console.error('Failed to get PasteData. Cause: ' + err.message);
-})
+});
 ```
 
 ### hasPasteData<sup>(deprecated)</sup>
@@ -1646,8 +1680,11 @@ hasPasteData(callback:  AsyncCallback&lt;boolean&gt;): void
 
 **示例：**
 
-```js
-systemPasteboard.hasPasteData((err, data) => {
+```ts
+import { BusinessError } from '@ohos.base';
+
+let systemPasteboard: pasteboard.SystemPasteboard = pasteboard.getSystemPasteboard();
+systemPasteboard.hasPasteData((err: BusinessError, data: boolean) => {
     if (err) {
         console.error(`Failed to check the PasteData. Cause: ${err.message}`);
         return;
@@ -1675,10 +1712,13 @@ hasPasteData(): Promise&lt;boolean&gt;
 
 **示例：**
 
-```js
-systemPasteboard.hasPasteData().then((data) => {
+```ts
+import { BusinessError } from '@ohos.base';
+
+let systemPasteboard: pasteboard.SystemPasteboard = pasteboard.getSystemPasteboard();
+systemPasteboard.hasPasteData().then((data: boolean) => {
     console.info(`Succeeded in checking the PasteData. Data: ${data}`);
-}).catch((err) => {
+}).catch((err: BusinessError) => {
     console.error(`Failed to check the PasteData. Cause: ${err.message}`);
 });
 ```
@@ -1703,9 +1743,9 @@ setPasteData(data: PasteData, callback: AsyncCallback&lt;void&gt;): void
 
 **示例：**
 
-```js
-let pasteData = pasteboard.createPlainTextData('content');
-let systemPasteboard = pasteboard.getSystemPasteboard();
+```ts
+let pasteData: pasteboard.PasteData = pasteboard.createPlainTextData('content');
+let systemPasteboard: pasteboard.SystemPasteboard = pasteboard.getSystemPasteboard();
 systemPasteboard.setPasteData(pasteData, (err, data) => {
     if (err) {
         console.error('Failed to set PasteData. Cause: ' + err.message);
@@ -1739,12 +1779,14 @@ setPasteData(data: PasteData): Promise&lt;void&gt;
 
 **示例：**
 
-```js
-let pasteData = pasteboard.createPlainTextData('content');
-let systemPasteboard = pasteboard.getSystemPasteboard();
-systemPasteboard.setPasteData(pasteData).then((data) => {
+```ts
+import { BusinessError } from '@ohos.base';
+
+let pasteData: pasteboard.PasteData = pasteboard.createPlainTextData('content');
+let systemPasteboard: pasteboard.SystemPasteboard = pasteboard.getSystemPasteboard();
+systemPasteboard.setPasteData(pasteData).then((data: void) => {
     console.info('Succeeded in setting PasteData.');
-}).catch((err) => {
+}).catch((err: BusinessError) => {
     console.error('Failed to set PasteData. Cause: ' + err.message);
 });
 ```
\ No newline at end of file
diff --git a/zh-cn/application-dev/reference/apis/js-apis-pointer.md b/zh-cn/application-dev/reference/apis/js-apis-pointer.md
index 6e259d4554ca8525de8695a777bc29ed540824e2..6f1a442a7332e598bffe2053632ccb5a28a33a7e 100755
--- a/zh-cn/application-dev/reference/apis/js-apis-pointer.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-pointer.md
@@ -31,7 +31,7 @@ setPointerVisible(visible: boolean, callback: AsyncCallback&lt;void&gt;): void
 
 ```js
 try {
-  pointer.setPointerVisible(true, (error) => {
+  pointer.setPointerVisible(true, (error: Error) => {
     if (error) {
       console.log(`Set pointer visible failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
       return;
@@ -123,7 +123,7 @@ isPointerVisible(): Promise&lt;boolean&gt;
 
 ```js
 try {
-  pointer.isPointerVisible().then((visible) => {
+  pointer.isPointerVisible().then((visible: boolean) => {
     console.log(`Get pointer visible success, visible: ${JSON.stringify(visible)}`);
   });
 } catch (error) {
@@ -279,7 +279,7 @@ setHoverScrollState(state: boolean, callback: AsyncCallback&lt;void&gt;): void
 
 ```js
 try {
-  pointer.setHoverScrollState(true, (error) => {
+  pointer.setHoverScrollState(true, (error: Error) => {
     if (error) {
       console.log(`Set the mouse hover scroll failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
       return;
@@ -402,7 +402,7 @@ setMousePrimaryButton(primary: PrimaryButton, callback: AsyncCallback&lt;void&gt
 
 ```js
 try {
-  pointer.setMousePrimaryButton(pointer.PrimaryButton.RIGHT, (error) => {
+  pointer.setMousePrimaryButton(pointer.PrimaryButton.RIGHT, (error: Error) => {
     if (error) {
       console.log(`Set mouse primary button failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
       return;
@@ -656,9 +656,11 @@ getPointerStyle(windowId: number, callback: AsyncCallback&lt;PointerStyle&gt;):
 **示例**：
 
 ```js
+import { BusinessError }  from '@ohos.base';
 import window from '@ohos.window';
 
-window.getLastWindow(this.context, (error, win) => {
+let context = getContext(this);
+window.getLastWindow(context, (error: BusinessError, win: window.Window) => {
   if (error.code) {
     console.error('Failed to obtain the top window. Cause: ' + JSON.stringify(error));
     return;
@@ -669,7 +671,7 @@ window.getLastWindow(this.context, (error, win) => {
     return;
   }
   try {
-    pointer.getPointerStyle(windowId, (error, style) => {
+    pointer.getPointerStyle(windowId, (error: Error, style: pointer.PointerStyle) => {
       console.log(`Get pointer style success, style: ${JSON.stringify(style)}`);
     });
   } catch (error) {
@@ -702,8 +704,10 @@ getPointerStyle(windowId: number): Promise&lt;PointerStyle&gt;
 
 ```js
 import window from '@ohos.window';
+import { BusinessError }  from '@ohos.base';
 
-window.getLastWindow(this.context, (error, win) => {
+let context = getContext(this);
+window.getLastWindow(context, (error: BusinessError, win: window.Window) => {
   if (error.code) {
     console.error('Failed to obtain the top window. Cause: ' + JSON.stringify(error));
     return;
@@ -714,7 +718,7 @@ window.getLastWindow(this.context, (error, win) => {
     return;
   }
   try {
-    pointer.getPointerStyle(windowId).then((style) => {
+    pointer.getPointerStyle(windowId).then((style: pointer.PointerStyle) => {
       console.log(`Get pointer style success, style: ${JSON.stringify(style)}`);
     });
   } catch (error) {
@@ -877,7 +881,7 @@ setTouchpadScrollSwitch(state: boolean, callback: AsyncCallback\<void>): void
 
 ```js
 try {
-  pointer.setTouchpadScrollSwitch(true, (error) => {
+  pointer.setTouchpadScrollSwitch(true, (error: Error) => {
     if (error) {
       console.log(`setTouchpadScrollSwitch failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
       return;
@@ -943,7 +947,7 @@ getTouchpadScrollSwitch(callback:  AsyncCallback\<boolean>): void
 
 ```js
 try {
-  pointer.getTouchpadScrollSwitch ((error, state) => {
+  pointer.getTouchpadScrollSwitch ((error: Error, state: Boolean) => {
     console.log(`getTouchpadScrollSwitch success, state: ${JSON.stringify(state)}`);
   });
 } catch (error) {
@@ -1066,7 +1070,7 @@ getTouchpadScrollDirection(callback:  AsyncCallback\<boolean>): void
 
 ```js
 try {
-  pointer.getTouchpadScrollSwitch ((error, state) => {
+  pointer.getTouchpadScrollSwitch ((error: Error, state: boolean) => {
     console.log(`getTouchpadScrollDirection success, state: ${JSON.stringify(state)}`);
   });
 } catch (error) {
@@ -1217,7 +1221,7 @@ getTouchpadTapSwitch(): Promise\<boolean>
 
 ```js
 try {
-  pointer.getTouchpadTapSwitch().then((state) => {
+  pointer.getTouchpadTapSwitch().then((state: Boolean) => {
     console.log(`getTouchpadTapSwitch success, state: ${JSON.stringify(state)}`);
   });
 } catch (error) {
@@ -1312,7 +1316,7 @@ getTouchpadPointerSpeed(callback: AsyncCallback\<number>): void
 
 ```js
 try {
-  pointer.getTouchpadPointerSpeed((error, speed) => {
+  pointer.getTouchpadPointerSpeed((error: Error, speed: number) => {
     console.log(`getTouchpadPointerSpeed success, speed: ${JSON.stringify(speed)}`);
   });
 } catch (error) {
@@ -1340,7 +1344,7 @@ getTouchpadPointerSpeed(): Promise\<number>
 
 ```js
 try {
-  pointer.getTouchpadPointerSpeed().then((speed) => {
+  pointer.getTouchpadPointerSpeed().then((speed: number) => {
     console.log(`getTouchpadPointerSpeed success, speed: ${JSON.stringify(speed)}`);
   });
 } catch (error) {
@@ -1369,7 +1373,7 @@ setTouchpadPinchSwitch(state: boolean, callback: AsyncCallback\<void>): void
 
 ```js
 try {
-  pointer.setTouchpadTapSwitch(true, (error) => {
+  pointer.setTouchpadTapSwitch(true, (error: Error) => {
     if (error) {
       console.log(`setTouchpadPinchSwitch failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
       return;
@@ -1492,7 +1496,7 @@ setTouchpadSwipeSwitch(state: boolean, callback: AsyncCallback\<void>): void
 
 ```js
 try {
-  pointer.setTouchpadSwipeSwitch(true, (error) => {
+  pointer.setTouchpadSwipeSwitch(true, (error: Error) => {
     if (error) {
       console.log(`setTouchpadSwipeSwitch failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
       return;
@@ -1586,7 +1590,7 @@ getTouchpadSwipeSwitch(): Promise\<boolean>
 
 ```js
 try {
-  pointer.getTouchpadSwipeSwitch().then((state) => {
+  pointer.getTouchpadSwipeSwitch().then((state: boolean) => {
     console.log(`getTouchpadSwipeSwitch success, state: ${JSON.stringify(state)}`);
   });
 } catch (error) {
@@ -1693,7 +1697,7 @@ getTouchpadRightClickType(callback: AsyncCallback\<RightClickType>): void
 
 ```js
 try {
-  pointer.getTouchpadRightClickType((error, type) => {
+  pointer.getTouchpadRightClickType((error: Error, type: pointer.RightClickType) => {
     console.log(`getTouchpadRightClickType success, type: ${JSON.stringify(type)}`);
   });
 } catch (error) {
@@ -1871,7 +1875,7 @@ getPointerSize(): Promise&lt;number&gt;
 
 ```js
 try {
-  pointer.getPointerSize().then((size) => {
+  pointer.getPointerSize().then((size: number) => {
     console.log(`getPointerSize success, size: ${JSON.stringify(size)}`);
   });
 } catch (error) {
@@ -1927,7 +1931,7 @@ setPointerColor(color: number, callback: AsyncCallback&lt;void&gt;): void
 
 ```js
 try {
-  pointer.setPointerColor(0xF6C800, (error) => {
+  pointer.setPointerColor(0xF6C800, (error: Error) => {
     if (error) {
       console.log(`setPointerColor failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
       return;
diff --git a/zh-cn/application-dev/reference/apis/js-apis-power.md b/zh-cn/application-dev/reference/apis/js-apis-power.md
index 176a4548a2d3fb281d3381a413a19a225f45dc05..eeef1d1f6f8d955e8c9690f497f13f7e998ca339 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-power.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-power.md
@@ -104,7 +104,7 @@ isActive(): boolean
 
 ```js
 try {
-    var isActive = power.isActive();
+    let isActive = power.isActive();
     console.info('power is active: ' + isActive);
 } catch(err) {
     console.error('check active status failed, err: ' + err);
@@ -206,7 +206,7 @@ getPowerMode(): DevicePowerMode
 
 ```js
 try {
-    var mode = power.getPowerMode();
+    let mode = power.getPowerMode();
     console.info('power mode: ' + mode);
 } catch(err) {
     console.error('get power mode failed, err: ' + err);
@@ -243,7 +243,7 @@ setPowerMode(mode: DevicePowerMode, callback: AsyncCallback&lt;void&gt;): void
 **示例：**
 
 ```js
-power.setPowerMode(power.DevicePowerMode.MODE_PERFORMANCE, err => {
+power.setPowerMode(power.DevicePowerMode.MODE_PERFORMANCE, (err: BusinessError<void>) => {
     if (typeof err === 'undefined') {
         console.info('set power mode to MODE_PERFORMANCE');
     } else {
@@ -322,7 +322,7 @@ isStandby(): boolean
 
 ```js
 try {
-    var isStandby = power.isStandby();
+    let isStandby = power.isStandby();
     console.info('device is in standby: ' + isStandby);
 } catch(err) {
     console.error('check isStandby failed, err: ' + err);
@@ -372,7 +372,7 @@ isScreenOn(callback: AsyncCallback&lt;boolean&gt;): void
 **示例：**
 
 ```js
-power.isScreenOn((err, data) => {
+power.isScreenOn((err: BusinessError<void>, data: boolean) => {
     if (typeof err === 'undefined') {
         console.info('screen on status is ' + data);
     } else {
@@ -400,10 +400,10 @@ isScreenOn(): Promise&lt;boolean&gt;
 
 ```js
 power.isScreenOn()
-.then(data => {
+.then((data: boolean) => {
     console.info('screen on status is ' + data);
 })
-.catch(err => {
+.catch((err: { code: number, message: string }) => {
     console.error('check screen status failed, err: ' + err);
 })
 ```
diff --git a/zh-cn/application-dev/reference/apis/js-apis-runninglock.md b/zh-cn/application-dev/reference/apis/js-apis-runninglock.md
index 4c36b19d5855864abae10b690b643e3dd905e690..a8f0bf0788344273bc0ea208715d846bb084a334 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-runninglock.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-runninglock.md
@@ -44,7 +44,7 @@ isSupported(type: RunningLockType): boolean;
 
 ```js
 try {
-    var isSupported = runningLock.isSupported(runningLock.RunningLockType.BACKGROUND);
+    let isSupported = runningLock.isSupported(runningLock.RunningLockType.BACKGROUND);
     console.info('BACKGROUND type supported: ' + isSupported);
 } catch(err) {
     console.error('check supported failed, err: ' + err);
@@ -72,7 +72,7 @@ create(name: string, type: RunningLockType, callback: AsyncCallback&lt;RunningLo
 **示例：**
 
 ```js
-runningLock.create('running_lock_test', runningLock.RunningLockType.BACKGROUND, (err, lock) => {
+runningLock.create('running_lock_test', runningLock.RunningLockType.BACKGROUND, (err: BusinessError<void>, lock: runningLock.RunningLock) => {
     if (typeof err === 'undefined') {
         console.info('created running lock: ' + lock);
     } else {
@@ -108,10 +108,10 @@ create(name: string, type: RunningLockType): Promise&lt;RunningLock&gt;
 
 ```js
 runningLock.create('running_lock_test', runningLock.RunningLockType.BACKGROUND)
-.then(lock => {
+.then((lock: runningLock.RunningLock) => {
     console.info('created running lock: ' + lock);
 })
-.catch(err => {
+.catch((err: { code: number, message: string }) => {
     console.error('create running lock failed, error: ' + err);
 });
 ```
@@ -136,7 +136,7 @@ isRunningLockTypeSupported(type: RunningLockType, callback: AsyncCallback&lt;boo
 **示例：**
 
 ```js
-runningLock.isRunningLockTypeSupported(runningLock.RunningLockType.BACKGROUND, (err, data) => {
+runningLock.isRunningLockTypeSupported(runningLock.RunningLockType.BACKGROUND, (err: BusinessError<void>, data: boolean) => {
     if (typeof err === 'undefined') {
         console.info('BACKGROUND lock support status: ' + data);
     } else {
@@ -171,10 +171,10 @@ isRunningLockTypeSupported(type: RunningLockType): Promise&lt;boolean>
 
 ```js
 runningLock.isRunningLockTypeSupported(runningLock.RunningLockType.BACKGROUND)
-.then(data => {
+.then((data: boolean) => {
     console.info('BACKGROUND lock support status: ' + data);
 })
-.catch(err => {
+.catch((err: { code: number, message: string }) => {
     console.log('check BACKGROUND lock support status failed, err: ' + err);
 });
 ```
@@ -202,7 +202,7 @@ createRunningLock(name: string, type: RunningLockType, callback: AsyncCallback&l
 **示例：**
 
 ```js
-runningLock.createRunningLock('running_lock_test', runningLock.RunningLockType.BACKGROUND, (err, lock) => {
+runningLock.createRunningLock('running_lock_test', runningLock.RunningLockType.BACKGROUND, (err: BusinessError<void>, lock: runningLock.RunningLock) => {
     if (typeof err === 'undefined') {
         console.info('created running lock: ' + lock);
     } else {
@@ -240,10 +240,10 @@ createRunningLock(name: string, type: RunningLockType): Promise&lt;RunningLock&g
 
 ```js
 runningLock.createRunningLock('running_lock_test', runningLock.RunningLockType.BACKGROUND)
-.then(lock => {
+.then((lock: runningLock.RunningLock) => {
     console.info('created running lock: ' + lock);
 })
-.catch(err => {
+.catch((err: { code: number, message: string }) => {
     console.log('create running lock failed, err: ' + err);
 });
 ```
@@ -280,7 +280,7 @@ hold(timeout: number): void
 
 ```js
 runningLock.create('running_lock_test', runningLock.RunningLockType.BACKGROUND)
-.then(lock => {
+.then((lock: runningLock.RunningLock) => {
     console.info('create running lock success');
     try {
         lock.hold(500);
@@ -289,7 +289,7 @@ runningLock.create('running_lock_test', runningLock.RunningLockType.BACKGROUND)
         console.error('hold running lock failed, err: ' + err);
     }
 })
-.catch(err => {
+.catch((err: { code: number, message: string }) => {
     console.error('create running lock failed, err: ' + err);
 });
 ```
@@ -316,7 +316,7 @@ unhold(): void
 
 ```js
 runningLock.create('running_lock_test', runningLock.RunningLockType.BACKGROUND)
-.then(lock => {
+.then((lock: runningLock.RunningLock) => {
     console.info('create running lock success');
     try {
         lock.unhold();
@@ -325,7 +325,7 @@ runningLock.create('running_lock_test', runningLock.RunningLockType.BACKGROUND)
         console.error('unhold running lock failed, err: ' + err);
     }
 })
-.catch(err => {
+.catch((err: { code: number, message: string }) => {
     console.error('create running lock failed, err: ' + err);
 });
 ```
@@ -356,16 +356,16 @@ isHolding(): boolean
 
 ```js
 runningLock.create('running_lock_test', runningLock.RunningLockType.BACKGROUND)
-.then(lock => {
+.then((lock: runningLock.RunningLock) => {
     console.info('create running lock success');
     try {
-        var isHolding = lock.isHolding();
+        let isHolding = lock.isHolding();
         console.info('check running lock holding status: ' + isHolding);
     } catch(err) {
         console.error('check running lock holding status failed, err: ' + err);
     }
 })
-.catch(err => {
+.catch((err: { code: number, message: string }) => {
     console.error('create running lock failed, err: ' + err);
 });
 ```
@@ -392,11 +392,11 @@ lock(timeout: number): void
 
 ```js
 runningLock.createRunningLock('running_lock_test', runningLock.RunningLockType.BACKGROUND)
-.then(lock => {
+.then((lock: runningLock.RunningLock) => {
     lock.lock(500);
     console.info('create running lock and lock success');
 })
-.catch(err => {
+.catch((err: { code: number, message: string }) => {
     console.error('create running lock failed, err: ' + err);
 });
 ```
@@ -417,11 +417,11 @@ unlock(): void
 
 ```js
 runningLock.createRunningLock('running_lock_test', runningLock.RunningLockType.BACKGROUND)
-.then(lock => {
+.then((lock: runningLock.RunningLock) => {
     lock.unlock();
     console.info('create running lock and unlock success');
 })
-.catch(err => {
+.catch((err: { code: number, message: string }) => {
     console.error('create running lock failed, err: ' + err);
 });
 ```
@@ -445,11 +445,11 @@ isUsed(): boolean
 
 ```js
 runningLock.createRunningLock('running_lock_test', runningLock.RunningLockType.BACKGROUND)
-.then(lock => {
-    var isUsed = lock.isUsed();
+.then((lock: runningLock.RunningLock) => {
+    let isUsed = lock.isUsed();
     console.info('check running lock used status: ' + isUsed);
 })
-.catch(err => {
+.catch((err: { code: number, message: string }) => {
     console.error('check running lock used status failed, err: ' + err);
 });
 ```
diff --git a/zh-cn/application-dev/reference/apis/js-apis-system-battery.md b/zh-cn/application-dev/reference/apis/js-apis-system-battery.md
index 73ea1bcd742e74becc93e926b300cc28ceb172ec..2f7408e1014b373c7f7036ef017e003387c8ce3d 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-system-battery.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-system-battery.md
@@ -33,10 +33,10 @@ getStatus(options?: GetStatusOptions): void;
 
 ```js
 battery.getStatus({
-    success: function(data) {
+    success: (data: BatteryResponse) => {
         console.log('success get battery level:' + data.level);
     },
-    fail: function(data, code) {
+    fail: (data: string, code: number) => {
         console.error('fail to get battery level code:' + code + ', data: ' + data);
     }
 });
diff --git a/zh-cn/application-dev/reference/apis/js-apis-system-brightness.md b/zh-cn/application-dev/reference/apis/js-apis-system-brightness.md
index 107005a04cff5e4087dbb1f2197d1bae7dc99655..b9cbd193e208ce61720e0184a5dc82bf666c96cb 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-system-brightness.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-system-brightness.md
@@ -34,11 +34,11 @@ getValue(options?: GetBrightnessOptions): void
 
   ```js
   brightness.getValue({
-      success: function(data) {
-          console.log('success get brightness value:' + data.value);
+      success: (data: BrightnessResponse) => {
+        console.log('success get brightness value:' + data.value);
       },
-      fail: function(data, code) {
-          console.error('get brightness fail, code: ' + code + ', data: ' + data);
+      fail: (data: string, code: number) => {
+        console.error('get brightness fail, code: ' + code + ', data: ' + data);
       }
   });
   ```
@@ -63,11 +63,11 @@ setValue(options?: SetBrightnessOptions): void
   ```js
   brightness.setValue({
       value: 100,
-      success: function() {
-          console.log('handling set brightness success.');
+      success: () => {
+        console.log('handling set brightness success.');
       },
-      fail: function(data, code) {
-          console.error('handling set brightness value fail, code:' + code + ', data: ' + data);
+      fail: (data: string, code: number) => {
+        console.error('handling set brightness value fail, code:' + code + ', data: ' + data);
       }
   });
   ```
@@ -91,11 +91,11 @@ getMode(options?: GetBrightnessModeOptions): void
 
   ```js
   brightness.getMode({
-      success: function(data) {
-          console.log('success get mode:' + data.mode);
+      success: (data: BrightnessModeResponse) => {
+        console.log('success get mode:' + data.mode);
       },
-      fail: function(data, code){
-          console.error('handling get mode fail, code:' + code + ', data: ' + data);
+      fail: (data: string, code: number) => {
+        console.error('handling get mode fail, code:' + code + ', data: ' + data);
       }
   });
   ```
@@ -119,11 +119,11 @@ setMode(options?: SetBrightnessModeOptions): void
   ```js
   brightness.setMode({
       mode: 1,
-      success: function() {
-          console.log('handling set mode success.');
+      success: () => {
+        console.log('handling set mode success.');
       },
-      fail: function(data, code) {
-          console.error('handling set mode fail, code:' + code + ', data: ' + data);
+      fail: (data: string, code: number) => {
+        console.error('handling set mode fail, code:' + code + ', data: ' + data);
       }
   });
   ```
@@ -150,11 +150,11 @@ setKeepScreenOn(options?: SetKeepScreenOnOptions): void
   ```js
   brightness.setKeepScreenOn({
       keepScreenOn: true,
-      success: function () {
-          console.log('handling set keep screen on success.');
+      success: () => {
+        console.log('handling set keep screen on success.');
       },
-      fail: function (data, code) {
-          console.error('handling set keep screen on fail, code:' + code + ', data: ' + data);
+      fail: (data: string, code: number) => {
+        console.error('handling set keep screen on fail, code:' + code + ', data: ' + data);
       }
   });
   ```
diff --git a/zh-cn/application-dev/reference/apis/js-apis-system-notification.md b/zh-cn/application-dev/reference/apis/js-apis-system-notification.md
index 7b5e2a1cd329c489e32eaba466b4379469f5af12..0ced299d58f9d3ca38c6fb5e4f7bc39c31b6790d 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-system-notification.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-system-notification.md
@@ -51,11 +51,7 @@ show(options?: ShowNotificationOptions): void
 
 **示例：**
 ```ts
-class NotificationClass {
-  show: Function
-}
-
-let notificationObj: NotificationClass = {
+let notificationObj: notification = {
   show() {
     notification.show({
       contentTitle: 'title info',
@@ -69,5 +65,5 @@ let notificationObj: NotificationClass = {
   }
 }
 
-export default  notificationObj
+export default notificationObj
 ```
\ No newline at end of file
diff --git a/zh-cn/application-dev/reference/apis/js-apis-system-parameterEnhance.md b/zh-cn/application-dev/reference/apis/js-apis-system-parameterEnhance.md
index 8a10b647c0d502574ac2ba1ac67f18d60bd01e75..a5b229919b31a35456074d44f194d7d1baf9ce3e 100755
--- a/zh-cn/application-dev/reference/apis/js-apis-system-parameterEnhance.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-system-parameterEnhance.md
@@ -40,10 +40,9 @@ getSync(key: string, def?: string): string
 
 | 错误码ID | 错误信息                                                     |
 | -------- | ------------------------------------------------------------ |
-| 14700101 | System parameter can not be found.                           |
-| 14700102 | System parameter value is invalid.                           |
-| 14700103 | System permission operation permission denied.               |
-| 14700104 | System internal error including out of memory, deadlock etc. |
+| 14700101 | if key is not found                                          |
+| 14700103 | if permission denied                                         |
+| 14700104 | if system internal error                                     |
 
 以上错误码详细介绍请参考[errorcode-system-parameterV9](../errorcodes/errorcode-system-parameterV9.md)。
 
@@ -77,10 +76,9 @@ get(key: string, callback: AsyncCallback&lt;string&gt;): void
 
 | 错误码ID | 错误信息                                                     |
 | -------- | ------------------------------------------------------------ |
-| 14700101 | System parameter can not be found.                           |
-| 14700102 | System parameter value is invalid.                           |
-| 14700103 | System permission operation permission denied.               |
-| 14700104 | System internal error including out of memory, deadlock etc. |
+| 14700101 | if key is not found                                          |
+| 14700103 | if permission denied                                         |
+| 14700104 | if system internal error                                     |
 
 以上错误码详细介绍请参考[errorcode-system-parameterV9](../errorcodes/errorcode-system-parameterV9.md)。
 
@@ -121,10 +119,9 @@ get(key: string, def: string, callback: AsyncCallback&lt;string&gt;): void
 
 | 错误码ID | 错误信息                                                     |
 | -------- | ------------------------------------------------------------ |
-| 14700101 | System parameter can not be found.                           |
-| 14700102 | System parameter value is invalid.                           |
-| 14700103 | System permission operation permission denied.               |
-| 14700104 | System internal error including out of memory, deadlock etc. |
+| 14700101 | if key is not found                                          |
+| 14700103 | if permission denied                                         |
+| 14700104 | if system internal error                                     |
 
 以上错误码详细介绍请参考[errorcode-system-parameterV9](../errorcodes/errorcode-system-parameterV9.md)。
 
@@ -171,10 +168,9 @@ get(key: string, def?: string): Promise&lt;string&gt;
 
 | 错误码ID | 错误信息                                                     |
 | -------- | ------------------------------------------------------------ |
-| 14700101 | System parameter can not be found.                           |
-| 14700102 | System parameter value is invalid.                           |
-| 14700103 | System permission operation permission denied.               |
-| 14700104 | System internal error including out of memory, deadlock etc. |
+| 14700101 | if key is not found                                          |
+| 14700103 | if permission denied                                         |
+| 14700104 | if system internal error                                     |
 
 以上错误码详细介绍请参考[errorcode-system-parameterV9](../errorcodes/errorcode-system-parameterV9.md)。
 
@@ -214,9 +210,9 @@ setSync(key: string, value: string): void
 
 | 错误码ID | 错误信息                                                     |
 | -------- | ------------------------------------------------------------ |
-| 14700102 | System parameter value is invalid.                           |
-| 14700103 | System permission operation permission denied.               |
-| 14700104 | System internal error including out of memory, deadlock etc. |
+| 14700102 | if value is invalid                                          |
+| 14700103 | if permission denied                                         |
+| 14700104 | if system internal error                                     |
 
 以上错误码详细介绍请参考[errorcode-system-parameterV9](../errorcodes/errorcode-system-parameterV9.md)。
 
@@ -252,9 +248,9 @@ set(key: string, value: string, callback: AsyncCallback&lt;void&gt;): void
 
 | 错误码ID | 错误信息                                                     |
 | -------- | ------------------------------------------------------------ |
-| 14700102 | System parameter value is invalid.                           |
-| 14700103 | System permission operation permission denied.               |
-| 14700104 | System internal error including out of memory, deadlock etc. |
+| 14700102 | if value is invalid                                          |
+| 14700103 | if permission denied                                         |
+| 14700104 | if system internal error                                     |
 
 以上错误码详细介绍请参考[errorcode-system-parameterV9](../errorcodes/errorcode-system-parameterV9.md)。
 
@@ -300,9 +296,9 @@ set(key: string, value: string): Promise&lt;void&gt;
 
 | 错误码ID | 错误信息                                                     |
 | -------- | ------------------------------------------------------------ |
-| 14700102 | System parameter value is invalid.                           |
-| 14700103 | System permission operation permission denied.               |
-| 14700104 | System internal error including out of memory, deadlock etc. |
+| 14700102 | if value is invalid                                          |
+| 14700103 | if permission denied                                         |
+| 14700104 | if system internal error                                     |
 
 以上错误码详细介绍请参考[errorcode-system-parameterV9](../errorcodes/errorcode-system-parameterV9.md)。
 
diff --git a/zh-cn/application-dev/reference/apis/js-apis-systemSoundManager.md b/zh-cn/application-dev/reference/apis/js-apis-systemSoundManager.md
index 9f99cc005596cfea2ab9dfd3f7acedf2348f42c2..e62dc0e6daf8476767f742aeb9410333a5f5a0c7 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-systemSoundManager.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-systemSoundManager.md
@@ -10,7 +10,7 @@
 
 ## 导入模块
 
-```js
+```ts
 import systemSoundManager from '@ohos.multimedia.systemSoundManager';
 ```
 
@@ -44,8 +44,8 @@ getSystemSoundManager(): SystemSoundManager
 | [SystemSoundManager](#systemsoundmanager) | 系统声音管理类。 |
 
 **示例：**
-```js
-let systemSoundManagerInstance = systemSoundManager.getSystemSoundManager();
+```ts
+let systemSoundManagerInstance: systemSoundManager.SystemSoundManager = systemSoundManager.getSystemSoundManager();
 ```
 
 ## SystemSoundManager
@@ -73,12 +73,14 @@ setSystemRingtoneUri(context: Context, uri: string, type: RingtoneType, callback
 
 **示例：**
 
-```js
-let context = this.context;
+```ts
+import { BusinessError } from '@ohos.base';
+
+let context: Context = this.context;
 let uri = 'file://data/test.wav'; // 需更改为目标铃声文件的uri
-let type = systemSoundManager.RingtoneType.RINGTONE_TYPE_DEFAULT;
+let type: systemSoundManager.RingtoneType = systemSoundManager.RingtoneType.RINGTONE_TYPE_DEFAULT;
 
-systemSoundManagerInstance.setSystemRingtoneUri(context, uri, type, (err) => {
+systemSoundManagerInstance.setSystemRingtoneUri(context, uri, type, (err: BusinessError) => {
   if (err) {
     console.error(`Failed to set system ringtone uri. ${err}`);
     return;
@@ -113,14 +115,16 @@ setSystemRingtoneUri(context: Context, uri: string, type: RingtoneType): Promise
 
 **示例：**
 
-```js
-let context = this.context;
+```ts
+import { BusinessError } from '@ohos.base';
+
+let context: Context = this.context;
 let uri = 'file://data/test.wav'; // 需更改为目标铃声文件的uri
-let type = systemSoundManager.RingtoneType.RINGTONE_TYPE_DEFAULT;
+let type: systemSoundManager.RingtoneType = systemSoundManager.RingtoneType.RINGTONE_TYPE_DEFAULT;
 
 systemSoundManagerInstance.setSystemRingtoneUri(context, uri, type).then(() => {
   console.info(`Promise returned to indicate a successful setting of the system ringtone uri.`);
-}).catch ((err) => {
+}).catch ((err: BusinessError) => {
   console.error(`Failed to set the system ringtone uri ${err}`);
 });
 ```
@@ -145,11 +149,13 @@ getSystemRingtoneUri(context: Context, type: RingtoneType, callback: AsyncCallba
 
 **示例：**
 
-```js
-let context = this.context;
-let type = systemSoundManager.RingtoneType.RINGTONE_TYPE_DEFAULT;
+```ts
+import { BusinessError } from '@ohos.base';
+
+let context: Context = this.context;
+let type: systemSoundManager.RingtoneType = systemSoundManager.RingtoneType.RINGTONE_TYPE_DEFAULT;
 
-systemSoundManagerInstance.getSystemRingtoneUri(context, type, (err, value) => {
+systemSoundManagerInstance.getSystemRingtoneUri(context, type, (err: BusinessError, value: string) => {
   if (err) {
     console.error(`Failed to get system ringtone uri. ${err}`);
     return;
@@ -183,13 +189,15 @@ getSystemRingtoneUri(context: Context, type: RingtoneType): Promise&lt;string&gt
 
 **示例：**
 
-```js
-let context = this.context;
-let type = systemSoundManager.RingtoneType.RINGTONE_TYPE_DEFAULT;
+```ts
+import { BusinessError } from '@ohos.base';
 
-systemSoundManagerInstance.getSystemRingtoneUri(context, type).then((value) => {
+let context: Context = this.context;
+let type: systemSoundManager.RingtoneType = systemSoundManager.RingtoneType.RINGTONE_TYPE_DEFAULT;
+
+systemSoundManagerInstance.getSystemRingtoneUri(context, type).then((value: string) => {
   console.info(`Promise returned to indicate that the value of the system ringtone uri is obtained ${value}.`);
-}).catch ((err) => {
+}).catch ((err: BusinessError) => {
   console.error(`Failed to get the system ringtone uri ${err}`);
 });
 ```
@@ -214,12 +222,14 @@ getSystemRingtonePlayer(context: Context, type: RingtoneType, callback: AsyncCal
 
 **示例：**
 
-```js
-let context = this.context;
-let type = systemSoundManager.RingtoneType.RINGTONE_TYPE_DEFAULT;
-let systemRingtonePlayer = null;
+```ts
+import { BusinessError } from '@ohos.base';
+
+let context: Context = this.context;
+let type: systemSoundManager.RingtoneType = systemSoundManager.RingtoneType.RINGTONE_TYPE_DEFAULT;
+let systemRingtonePlayer: systemSoundManager.RingtonePlayer = null;
 
-systemSoundManagerInstance.getSystemRingtonePlayer(context, type, (err, value) => {
+systemSoundManagerInstance.getSystemRingtonePlayer(context, type, (err: BusinessError, value: systemSoundManager.RingtonePlayer) => {
   if (err) {
     console.error(`Failed to get system ringtone player. ${err}`);
     return;
@@ -254,15 +264,17 @@ getSystemRingtonePlayer(context: Context, type: RingtoneType): Promise&lt;Ringto
 
 **示例：**
 
-```js
-let context = this.context;
-let type = systemSoundManager.RingtoneType.RINGTONE_TYPE_DEFAULT;
-let systemRingtonePlayer = null;
+```ts
+import { BusinessError } from '@ohos.base';
+
+let context: Context = this.context;
+let type: systemSoundManager.RingtoneType = systemSoundManager.RingtoneType.RINGTONE_TYPE_DEFAULT;
+let systemRingtonePlayer: systemSoundManager.RingtonePlayer = null;
 
-systemSoundManagerInstance.getSystemRingtonePlayer(context, type).then((value) => {
+systemSoundManagerInstance.getSystemRingtonePlayer(context, type).then((value: systemSoundManager.RingtonePlayer) => {
   console.info(`Promise returned to indicate that the value of the system ringtone player is obtained.`);
   systemRingtonePlayer = value;
-}).catch ((err) => {
+}).catch ((err: BusinessError) => {
   console.error(`Failed to get the system ringtone player ${err}`);
 });
 ```
diff --git a/zh-cn/application-dev/reference/apis/js-apis-taskpool.md b/zh-cn/application-dev/reference/apis/js-apis-taskpool.md
index ece8779b4bc2df81d18867824d7f3bbd694bcde0..825bfee92931b587d7a8d52368cd255f940dbc19 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-taskpool.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-taskpool.md
@@ -688,7 +688,7 @@ taskpoolExecute();
 
 ```ts
 // b.ets
-export let c: number = 2000;
+export let c: string = "hello";
 ```
 ```ts
 // 引用import变量
@@ -696,7 +696,7 @@ export let c: number = 2000;
 import { c } from "./b";
 
 @Concurrent
-function printArgs(a: number): number {
+function printArgs(a: string): string {
     console.log(a);
     console.log(c);
     return a;
diff --git a/zh-cn/application-dev/reference/apis/js-apis-thermal.md b/zh-cn/application-dev/reference/apis/js-apis-thermal.md
index 21027cf5284dc2a203f47f92191e36a128e66c21..5649a6a2cf6c48157abb05e144a7300ca5cc5a95 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-thermal.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-thermal.md
@@ -38,7 +38,7 @@ registerThermalLevelCallback(callback: Callback&lt;ThermalLevel&gt;): void
 
 ```js
 try {
-    thermal.registerThermalLevelCallback(level => {
+    thermal.registerThermalLevelCallback((level: thermal.ThermalLevel) => {
         console.info('thermal level is: ' + level);
     });
     console.info('register thermal level callback success.');
@@ -108,7 +108,7 @@ getLevel(): ThermalLevel
 
 ```js
 try {
-    var level = thermal.getLevel();
+    let level = thermal.getLevel();
     console.info('thermal level is: ' + level);
 } catch(err) {
     console.error('get thermal level failed, err: ' + err);
@@ -134,7 +134,7 @@ subscribeThermalLevel(callback: AsyncCallback&lt;ThermalLevel&gt;): void
 **示例：**
 
 ```js
-thermal.subscribeThermalLevel((level) => {
+thermal.subscribeThermalLevel((err: BusinessError<void>, level: thermal.ThermalLevel) => {
     console.info('thermal level is: ' + level);
 });
 ```
@@ -182,7 +182,7 @@ getThermalLevel(): ThermalLevel
 **示例：**
 
 ```js
-var level = thermal.getThermalLevel();
+let level = thermal.getThermalLevel();
 console.info('thermal level is: ' + level);
 ```
 
diff --git a/zh-cn/application-dev/reference/apis/js-apis-update.md b/zh-cn/application-dev/reference/apis/js-apis-update.md
index fef8ec798258c7fff3c18a88bdd74eec589a18d8..3cf17ec402e3099fa253d1e6ed7a0579805179d3 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-update.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-update.md
@@ -40,14 +40,6 @@ getOnlineUpdater(upgradeInfo: UpgradeInfo): Updater
 | ------------------- | ---- |
 | [Updater](#updater) | 升级对象。 |
 
-**错误码**：
-
-以下的错误码的详细介绍请参见[升级错误码](../errorcodes/errorcode-update.md)
-
-| 错误码ID       | 错误信息                                                  |
-| -------  | ---------------------------------------------------- |
-| 11500104 | IPC error.     |
-
 **示例：**
 
 ```ts
@@ -80,13 +72,6 @@ getRestorer(): Restorer
 | --------------------- | ------ |
 | [Restorer](#restorer) | 恢复出厂对象。 |
 
-**错误码**：
-
-以下的错误码的详细介绍请参见[升级错误码](../errorcodes/errorcode-update.md)
-
-| 错误码ID       | 错误信息                                                  |
-| -------  | ---------------------------------------------------- |
-| 11500104 | IPC error.               |
 
 **示例：**
 
@@ -112,13 +97,6 @@ getLocalUpdater(): LocalUpdater
 | ----------------------------- | ------ |
 | [LocalUpdater](#localupdater) | 本地升级对象。 |
 
-**错误码**：
-
-以下的错误码的详细介绍请参见[升级错误码](../errorcodes/errorcode-update.md)
-
-| 错误码ID       | 错误信息                                                  |
-| -------  | ---------------------------------------------------- |
-| 11500104 | IPC error.               |
 
 **示例：**
 
@@ -1289,13 +1267,6 @@ on(eventClassifyInfo: EventClassifyInfo, taskCallback: UpgradeTaskCallback): voi
 | eventClassifyInfo | [EventClassifyInfo](#eventclassifyinfo)  | 是    | 事件信息。 |
 | taskCallback      | [UpgradeTaskCallback](#upgradetaskcallback) | 是    | 事件回调。 |
 
-**错误码**：
-
-以下的错误码的详细介绍请参见[升级错误码](../errorcodes/errorcode-update.md)
-
-| 错误码ID       | 错误信息                                                  |
-| -------  | ---------------------------------------------------- |
-| 11500104 | IPC error.               |
 
 **示例：**
 
@@ -1324,13 +1295,6 @@ off(eventClassifyInfo: EventClassifyInfo, taskCallback?: UpgradeTaskCallback): v
 | eventClassifyInfo | [EventClassifyInfo](#eventclassifyinfo)  | 是    | 事件信息。 |
 | taskCallback      | [UpgradeTaskCallback](#upgradetaskcallback) | 否    | 事件回调。 |
 
-**错误码**：
-
-以下的错误码的详细介绍请参见[升级错误码](../errorcodes/errorcode-update.md)
-
-| 错误码ID       | 错误信息                                                  |
-| -------  | ---------------------------------------------------- |
-| 11500104 | IPC error.               |
 
 **示例：**
 
@@ -1588,13 +1552,6 @@ on(eventClassifyInfo: EventClassifyInfo, taskCallback: UpgradeTaskCallback): voi
 | eventClassifyInfo | [EventClassifyInfo](#eventclassifyinfo)  | 是    | 事件信息。 |
 | taskCallback      | [UpgradeTaskCallback](#upgradetaskcallback) | 是    | 事件回调。 |
 
-**错误码**：
-
-以下的错误码的详细介绍请参见[升级错误码](../errorcodes/errorcode-update.md)
-
-| 错误码ID       | 错误信息                                                  |
-| -------  | ---------------------------------------------------- |
-| 11500104 | IPC error.               |
 
 **示例：**
 
@@ -1625,13 +1582,6 @@ off(eventClassifyInfo: EventClassifyInfo, taskCallback?: UpgradeTaskCallback): v
 | eventClassifyInfo | [EventClassifyInfo](#eventclassifyinfo)  | 是    | 事件信息。 |
 | taskCallback      | [UpgradeTaskCallback](#upgradetaskcallback) | 否    | 事件回调。 |
 
-**错误码**：
-
-以下的错误码的详细介绍请参见[升级错误码](../errorcodes/errorcode-update.md)
-
-| 错误码ID       | 错误信息                                                  |
-| -------  | ---------------------------------------------------- |
-| 11500104 | IPC error.               |
 
 **示例：**
 
diff --git a/zh-cn/application-dev/reference/apis/js-apis-worker.md b/zh-cn/application-dev/reference/apis/js-apis-worker.md
index bdcaa44e328c8786bd74a1d5042db9aebb3b1070..8c47b558ada4e7ec9acc1891d9ff9cd1949b6eb4 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-worker.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-worker.md
@@ -11,7 +11,7 @@ Worker的上下文对象和主线程的上下文对象是不同的，Worker线
 
 ## 导入模块
 
-```js
+```ts
 import worker from '@ohos.worker';
 ```
 
@@ -77,7 +77,7 @@ ThreadWorker构造函数。
 
 **示例：**
 
-```js
+```ts
 import worker from '@ohos.worker';
 // worker线程创建
 
@@ -184,10 +184,10 @@ postMessage(message: Object, transfer: ArrayBuffer[]): void
 
 **示例：**
 
-```js
+```ts
 const workerInstance = new worker.ThreadWorker("entry/ets/workers/worker.ts");
 
-var buffer = new ArrayBuffer(8);
+let buffer = new ArrayBuffer(8);
 workerInstance.postMessage(buffer, [buffer]);
 ```
 
@@ -217,12 +217,12 @@ postMessage(message: Object, options?: PostMessageOptions): void
 
 **示例：**
 
-```js
+```ts
 const workerInstance = new worker.ThreadWorker("entry/ets/workers/worker.ts");
 
 workerInstance.postMessage("hello world");
 
-var buffer = new ArrayBuffer(8);
+let buffer = new ArrayBuffer(8);
 workerInstance.postMessage(buffer, [buffer]);
 ```
 
@@ -252,7 +252,7 @@ on(type: string, listener: WorkerEventListener): void
 
 **示例：**
 
-```js
+```ts
 const workerInstance = new worker.ThreadWorker("entry/ets/workers/worker.ts");
 workerInstance.on("alert", (e)=>{
     console.log("alert listener callback");
@@ -286,7 +286,7 @@ once(type: string, listener: WorkerEventListener): void
 
 **示例：**
 
-```js
+```ts
 const workerInstance = new worker.ThreadWorker("entry/ets/workers/worker.ts");
 workerInstance.once("alert", (e)=>{
     console.log("alert listener callback");
@@ -320,7 +320,7 @@ off(type: string, listener?: WorkerEventListener): void
 
 **示例：**
 
-```js
+```ts
 const workerInstance = new worker.ThreadWorker("entry/ets/workers/worker.ts");
 //使用on接口、once接口或addEventListener接口创建“alert”事件，使用off接口删除事件。
 workerInstance.off("alert");
@@ -345,7 +345,7 @@ terminate(): void
 
 **示例：**
 
-```js
+```ts
 const workerInstance = new worker.ThreadWorker("entry/ets/workers/worker.ts");
 workerInstance.terminate();
 ```
@@ -376,10 +376,10 @@ Worker对象的onexit属性表示Worker销毁时被调用的事件处理程序
 
 **示例：**
 
-```js
+```ts
 const workerInstance = new worker.ThreadWorker("entry/ets/workers/worker.ts");
-workerInstance.onexit = function(e) {
-    console.log("onexit");
+workerInstance.onexit = () => {
+ console.log("onexit");
 }
 
 //onexit被执行两种方式：
@@ -416,9 +416,9 @@ Worker对象的onerror属性表示Worker在执行过程中发生异常被调用
 
 **示例：**
 
-```js
+```ts
 const workerInstance = new worker.ThreadWorker("entry/ets/workers/worker.ts");
-workerInstance.onerror = function(e) {
+workerInstance.onerror = () => {
     console.log("onerror");
 }
 ```
@@ -449,12 +449,14 @@ Worker对象的onmessage属性表示宿主线程接收到来自其创建的Worke
 
 **示例：**
 
-```js
+```ts
+import worker, { MessageEvents } from '@ohos.worker';
+
 const workerInstance = new worker.ThreadWorker("entry/ets/workers/worker.ts");
-workerInstance.onmessage = function(e) {
-    // e : MessageEvents, 用法如下：
-    // let data = e.data;
-    console.log("onmessage");
+workerInstance.onmessage = (e: MessageEvents): void => {
+ // e : MessageEvents, 用法如下：
+ // let data = e.data;
+ console.log("onmessage");
 }
 ```
 
@@ -484,9 +486,9 @@ Worker对象的onmessageerror属性表示当Worker对象接收到一条无法被
 
 **示例：**
 
-```js
+```ts
 const workerInstance = new worker.ThreadWorker("entry/ets/workers/worker.ts");
-workerInstance.onmessageerror= function(e) {
+workerInstance.onmessageerror= () => {
     console.log("onmessageerror");
 }
 ```
@@ -517,7 +519,7 @@ addEventListener(type: string, listener: WorkerEventListener): void
 
 **示例：**
 
-```js
+```ts
 const workerInstance = new worker.ThreadWorker("entry/ets/workers/worker.ts");
 workerInstance.addEventListener("alert", (e)=>{
     console.log("alert listener callback");
@@ -550,7 +552,7 @@ removeEventListener(type: string, callback?: WorkerEventListener): void
 
 **示例：**
 
-```js
+```ts
 const workerInstance = new worker.ThreadWorker("entry/ets/workers/worker.ts");
 workerInstance.addEventListener("alert", (e)=>{
     console.log("alert listener callback");
@@ -589,7 +591,7 @@ dispatchEvent(event: Event): boolean
 
 **示例：**
 
-```js
+```ts
 const workerInstance = new worker.ThreadWorker("entry/ets/workers/worker.ts");
 
 workerInstance.dispatchEvent({type:"eventType", timeStamp:0}); //timeStamp暂未支持。
@@ -597,7 +599,7 @@ workerInstance.dispatchEvent({type:"eventType", timeStamp:0}); //timeStamp暂未
 
 分发事件（dispatchEvent）可与监听接口（on、once、addEventListener）搭配使用，示例如下：
 
-```js
+```ts
 const workerInstance = new worker.ThreadWorker("entry/ets/workers/worker.ts");
 
 //用法一:
@@ -630,7 +632,7 @@ workerInstance.dispatchEvent({type:"alert_add", timeStamp:0});
 workerInstance.addEventListener("message", (e)=>{
     console.log("message listener callback");
 })
-workerInstance.onmessage = function(e) {
+workerInstance.onmessage = (e: MessageEvents): void => {
     console.log("onmessage : message listener callback");
 }
 //调用dispatchEvent分发“message”事件，addEventListener和onmessage中定义的方法都会被执行。
@@ -656,7 +658,7 @@ removeAllListener(): void
 
 **示例：**
 
-```js
+```ts
 const workerInstance = new worker.ThreadWorker("entry/ets/workers/worker.ts");
 workerInstance.addEventListener("alert", (e)=>{
     console.log("alert listener callback");
@@ -692,7 +694,7 @@ addEventListener(type: string, listener: WorkerEventListener): void
 
 **示例：**
 
-```js
+```ts
 const workerInstance = new worker.ThreadWorker("entry/ets/workers/worker.ts");
 workerInstance.addEventListener("alert", (e)=>{
     console.log("alert listener callback");
@@ -725,7 +727,7 @@ removeEventListener(type: string, callback?: WorkerEventListener): void
 
 **示例：**
 
-```js
+```ts
 const workerInstance = new worker.ThreadWorker("entry/ets/workers/worker.ts");
 workerInstance.addEventListener("alert", (e)=>{
     console.log("alert listener callback");
@@ -764,7 +766,7 @@ dispatchEvent(event: Event): boolean
 
 **示例：**
 
-```js
+```ts
 const workerInstance = new worker.ThreadWorker("entry/ets/workers/worker.ts");
 
 workerInstance.dispatchEvent({type:"eventType", timeStamp:0}); //timeStamp暂未支持。
@@ -772,7 +774,7 @@ workerInstance.dispatchEvent({type:"eventType", timeStamp:0}); //timeStamp暂未
 
 分发事件（dispatchEvent）可与监听接口（on、once、addEventListener）搭配使用，示例如下：
 
-```js
+```ts
 const workerInstance = new worker.ThreadWorker("entry/ets/workers/worker.ts");
 
 //用法一:
@@ -805,7 +807,7 @@ workerInstance.dispatchEvent({type:"alert_add", timeStamp:0});
 workerInstance.addEventListener("message", (e)=>{
     console.log("message listener callback");
 })
-workerInstance.onmessage = function(e) {
+workerInstance.onmessage = (e: MessageEvents): void => {
     console.log("onmessage : message listener callback");
 }
 //调用dispatchEvent分发“message”事件，addEventListener和onmessage中定义的方法都会被执行。
@@ -831,7 +833,7 @@ removeAllListener(): void
 
 **示例：**
 
-```js
+```ts
 const workerInstance = new worker.ThreadWorker("entry/ets/workers/worker.ts");
 workerInstance.addEventListener("alert", (e)=>{
     console.log("alert listener callback");
@@ -870,24 +872,22 @@ Worker线程通过转移对象所有权的方式向宿主线程发送消息。
 
 **示例：**
 
-```js
+```ts
 // main thread
 import worker from '@ohos.worker';
 const workerInstance = new worker.ThreadWorker("entry/ets/workers/worker.ts");
 workerInstance.postMessage("hello world");
-workerInstance.onmessage = function(e) {
-    // let data = e.data;
+workerInstance.onmessage = (e: MessageEvents): void => {
     console.log("receive data from worker.ts");
 }
 ```
 
-```js
+```ts
 // worker.ts
 import worker from '@ohos.worker';
 const workerPort = worker.workerPort;
-workerPort.onmessage = function(e){
-    // let data = e.data;
-    var buffer = new ArrayBuffer(8);
+workerPort.onmessage = (e: MessageEvents): void => {
+    let buffer = new ArrayBuffer(8);
     workerPort.postMessage(buffer, [buffer]);
 }
 ```
@@ -918,23 +918,21 @@ Worker线程通过转移对象所有权或者拷贝数据的方式向宿主线
 
 **示例：**
 
-```js
+```ts
 // main thread
 import worker from '@ohos.worker';
 const workerInstance = new worker.ThreadWorker("entry/ets/workers/worker.ts");
 workerInstance.postMessage("hello world");
-workerInstance.onmessage = function(e) {
-    // let data = e.data;
+workerInstance.onmessage = (e: MessageEvents): void => {
     console.log("receive data from worker.ts");
 }
 ```
 
-```js
+```ts
 // worker.ts
 import worker from '@ohos.worker';
 const workerPort = worker.workerPort;
-workerPort.onmessage = function(e){
-    // let data = e.data;
+workerPort.onmessage = (e: MessageEvents): void => {
     workerPort.postMessage("receive data from main thread");
 }
 ```
@@ -958,17 +956,17 @@ close(): void
 
 **示例：**
 
-```js
+```ts
 // main thread
 import worker from '@ohos.worker';
 const workerInstance = new worker.ThreadWorker("entry/ets/workers/worker.ts");
 ```
 
-```js
+```ts
 // worker.ts
 import worker from '@ohos.worker';
 const workerPort = worker.workerPort;
-workerPort.onmessage = function(e) {
+workerPort.onmessage = (e: MessageEvents): void => {
     workerPort.close()
 }
 ```
@@ -1000,18 +998,18 @@ ThreadWorkerGlobalScope的onmessage属性表示Worker线程收到来自其宿主
 
 **示例：**
 
-```js
+```ts
 // main thread
 import worker from '@ohos.worker';
 const workerInstance = new worker.ThreadWorker("entry/ets/workers/worker.ts");
 workerInstance.postMessage("hello world");
 ```
 
-```js
+```ts
 // worker.ts
 import worker from '@ohos.worker';
 const workerPort = worker.workerPort;
-workerPort.onmessage = function(e) {
+workerPort.onmessage = (e: MessageEvents): void => {
     console.log("receive main thread message");
 }
 ```
@@ -1043,17 +1041,17 @@ ThreadWorkerGlobalScope的onmessageerror属性表示当Worker对象接收到一
 
 **示例：**
 
-```js
+```ts
 // main thread
 import worker from '@ohos.worker';
 const workerInstance = new worker.ThreadWorker("entry/ets/workers/worker.ts");
 ```
 
-```js
+```ts
 // worker.ts
 import worker from '@ohos.worker';
 const workerPort = worker.workerPort;
-workerPort.onmessageerror = function(e) {
+workerPort.onmessageerror = () => {
     console.log("worker.ts onmessageerror")
 }
 ```
@@ -1090,9 +1088,9 @@ workerPort.onmessageerror = function(e) {
 
 **示例：**
 
-```js
+```ts
 const workerInstance = new worker.ThreadWorker("entry/ets/workers/worker.ts");
-workerInstance.addEventListener("alert", (e)=>{
+workerInstance.addEventListener("alert", ()=>{
     console.log("alert listener callback");
 })
 ```
@@ -1128,17 +1126,17 @@ GlobalScope的onerror属性表示Worker在执行过程中发生异常被调用
 
 **示例：**
 
-```js
+```ts
 // main thread
 import worker from '@ohos.worker';
 const workerInstance = new worker.ThreadWorker("entry/ets/workers/worker.ts")
 ```
 
-```js
+```ts
 // worker.ts
 import worker from '@ohos.worker';
 const workerPort = worker.workerPort
-workerPort.onerror = function(e){
+workerPort.onerror = () => {
     console.log("worker.ts onerror")
 }
 ```
@@ -1187,7 +1185,7 @@ Worker构造函数。
 
 **示例：**
 
-```js
+```ts
 import worker from '@ohos.worker';
 // worker线程创建
 
@@ -1273,10 +1271,10 @@ postMessage(message: Object, transfer: ArrayBuffer[]): void
 
 **示例：**
 
-```js
+```ts
 const workerInstance = new worker.Worker("workers/worker.ts");
 
-var buffer = new ArrayBuffer(8);
+let buffer = new ArrayBuffer(8);
 workerInstance.postMessage(buffer, [buffer]);
 ```
 
@@ -1300,12 +1298,12 @@ postMessage(message: Object, options?: PostMessageOptions): void
 
 **示例：**
 
-```js
+```ts
 const workerInstance = new worker.Worker("workers/worker.ts");
 
 workerInstance.postMessage("hello world");
 
-var buffer = new ArrayBuffer(8);
+let buffer = new ArrayBuffer(8);
 workerInstance.postMessage(buffer, [buffer]);
 ```
 
@@ -1330,9 +1328,9 @@ on(type: string, listener: EventListener): void
 
 **示例：**
 
-```js
+```ts
 const workerInstance = new worker.Worker("workers/worker.ts");
-workerInstance.on("alert", (e)=>{
+workerInstance.on("alert", ()=>{
     console.log("alert listener callback");
 })
 ```
@@ -1358,7 +1356,7 @@ once(type: string, listener: EventListener): void
 
 **示例：**
 
-```js
+```ts
 const workerInstance = new worker.Worker("workers/worker.ts");
 workerInstance.once("alert", (e)=>{
     console.log("alert listener callback");
@@ -1386,7 +1384,7 @@ off(type: string, listener?: EventListener): void
 
 **示例：**
 
-```js
+```ts
 const workerInstance = new worker.Worker("workers/worker.ts");
 //使用on接口、once接口或addEventListener接口创建“alert”事件，使用off接口删除事件。
 workerInstance.off("alert");
@@ -1406,7 +1404,7 @@ terminate(): void
 
 **示例：**
 
-```js
+```ts
 const workerInstance = new worker.Worker("workers/worker.ts");
 workerInstance.terminate();
 ```
@@ -1431,9 +1429,9 @@ Worker对象的onexit属性表示Worker销毁时被调用的事件处理程序
 
 **示例：**
 
-```js
+```ts
 const workerInstance = new worker.Worker("workers/worker.ts");
-workerInstance.onexit = function(e) {
+workerInstance.onexit = () => {
     console.log("onexit");
 }
 
@@ -1465,9 +1463,9 @@ Worker对象的onerror属性表示Worker在执行过程中发生异常被调用
 
 **示例：**
 
-```js
+```ts
 const workerInstance = new worker.Worker("workers/worker.ts");
-workerInstance.onerror = function(e) {
+workerInstance.onerror = function() {
     console.log("onerror");
 }
 ```
@@ -1492,11 +1490,9 @@ Worker对象的onmessage属性表示宿主线程接收到来自其创建的Worke
 
 **示例：**
 
-```js
+```ts
 const workerInstance = new worker.Worker("workers/worker.ts");
-workerInstance.onmessage = function(e) {
-    // e : MessageEvent, 用法如下：
-    // let data = e.data;
+workerInstance.onmessage = (e: MessageEvents): void => {
     console.log("onmessage");
 }
 ```
@@ -1521,9 +1517,9 @@ Worker对象的onmessageerror属性表示当Worker对象接收到一条无法被
 
 **示例：**
 
-```js
+```ts
 const workerInstance = new worker.Worker("workers/worker.ts");
-workerInstance.onmessageerror= function(e) {
+workerInstance.onmessageerror= () => {
     console.log("onmessageerror");
 }
 ```
@@ -1553,9 +1549,9 @@ addEventListener(type: string, listener: EventListener): void
 
 **示例：**
 
-```js
+```ts
 const workerInstance = new worker.Worker("workers/worker.ts");
-workerInstance.addEventListener("alert", (e)=>{
+workerInstance.addEventListener("alert", ()=>{
     console.log("alert listener callback");
 })
 ```
@@ -1581,9 +1577,9 @@ removeEventListener(type: string, callback?: EventListener): void
 
 **示例：**
 
-```js
+```ts
 const workerInstance = new worker.Worker("workers/worker.ts");
-workerInstance.addEventListener("alert", (e)=>{
+workerInstance.addEventListener("alert", ()=>{
     console.log("alert listener callback");
 })
 workerInstance.removeEventListener("alert");
@@ -1615,7 +1611,7 @@ dispatchEvent(event: Event): boolean
 
 **示例：**
 
-```js
+```ts
 const workerInstance = new worker.Worker("workers/worker.ts");
 
 workerInstance.dispatchEvent({type:"eventType", timeStamp:0}); //timeStamp暂未支持。
@@ -1623,7 +1619,7 @@ workerInstance.dispatchEvent({type:"eventType", timeStamp:0}); //timeStamp暂未
 
 分发事件（dispatchEvent）可与监听接口（on、once、addEventListener）搭配使用，示例如下：
 
-```js
+```ts
 const workerInstance = new worker.Worker("workers/worker.ts");
 
 //用法一:
@@ -1675,7 +1671,7 @@ removeAllListener(): void
 
 **示例：**
 
-```js
+```ts
 const workerInstance = new worker.Worker("workers/worker.ts");
 workerInstance.addEventListener("alert", (e)=>{
     console.log("alert listener callback");
@@ -1729,21 +1725,21 @@ Worker线程通过转移对象所有权的方式向宿主线程发送消息。
 
 **示例：**
 
-```js
+```ts
 // main thread
 import worker from '@ohos.worker';
 const workerInstance = new worker.Worker("workers/worker.ts");
 workerInstance.postMessage("hello world");
-workerInstance.onmessage = function(e) {
+workerInstance.onmessage = (e: MessageEvents): void => {
     // let data = e.data;
     console.log("receive data from worker.ts");
 }
 ```
-```js
+```ts
 // worker.ts
 import worker from '@ohos.worker';
 const workerPort = worker.workerPort;
-workerPort.onmessage = function(e){
+workerPort.onmessage = (e: MessageEvents): void => {
     // let data = e.data;
     let buffer = new ArrayBuffer(5)
     workerPort.postMessage(buffer, [buffer]);
@@ -1770,21 +1766,21 @@ Worker线程通过转移对象所有权或者拷贝数据的方式向宿主线
 
 **示例：**
 
-```js
+```ts
 // main thread
 import worker from '@ohos.worker';
 const workerInstance = new worker.Worker("workers/worker.ts");
 workerInstance.postMessage("hello world");
-workerInstance.onmessage = function(e) {
+workerInstance.onmessage = (e: MessageEvents): void => {
     // let data = e.data;
     console.log("receive data from worker.ts");
 }
 ```
-```js
+```ts
 // worker.ts
 import worker from '@ohos.worker';
 const parentPort = worker.parentPort;
-parentPort.onmessage = function(e){
+parentPort.onmessage = (e: MessageEvents): void => {
     // let data = e.data;
     parentPort.postMessage("receive data from main thread");
 }
@@ -1803,16 +1799,16 @@ close(): void
 
 **示例：**
 
-```js
+```ts
 // main thread
 import worker from '@ohos.worker';
 const workerInstance = new worker.Worker("workers/worker.ts");
 ```
-```js
+```ts
 // worker.ts
 import worker from '@ohos.worker';
 const parentPort = worker.parentPort;
-parentPort.onmessage = function(e) {
+parentPort.onmessage = (e: MessageEvents): void => {
     parentPort.close()
 }
 ```
@@ -1838,17 +1834,17 @@ DedicatedWorkerGlobalScope的onmessage属性表示Worker线程收到来自其宿
 
 **示例：**
 
-```js
+```ts
 // main thread
 import worker from '@ohos.worker';
 const workerInstance = new worker.Worker("workers/worker.ts");
 workerInstance.postMessage("hello world");
 ```
-```js
+```ts
 // worker.ts
 import worker from '@ohos.worker';
 const parentPort = worker.parentPort;
-parentPort.onmessage = function(e) {
+parentPort.onmessage = (e: MessageEvents): void => {
     console.log("receive main thread message");
 }
 ```
@@ -1874,16 +1870,16 @@ DedicatedWorkerGlobalScope的onmessageerror属性表示当Worker对象接收到
 
 **示例：**
 
-```js
+```ts
 // main thread
 import worker from '@ohos.worker';
 const workerInstance = new worker.Worker("workers/worker.ts");
 ```
-```js
+```ts
 // worker.ts
 import worker from '@ohos.worker';
 const parentPort = worker.parentPort;
-parentPort.onmessageerror = function(e) {
+parentPort.onmessageerror = () => {
     console.log("worker.ts onmessageerror")
 }
 ```
@@ -1937,9 +1933,9 @@ parentPort.onmessageerror = function(e) {
 
 **示例：**
 
-```js
+```ts
 const workerInstance = new worker.Worker("workers/worker.ts");
-workerInstance.addEventListener("alert", (e)=>{
+workerInstance.addEventListener("alert", ()=>{
     console.log("alert listener callback");
 })
 ```
@@ -2007,16 +2003,16 @@ WorkerGlobalScope的onerror属性表示Worker在执行过程中发生异常被
 
 **示例：**
 
-```js
+```ts
 // main thread
 import worker from '@ohos.worker';
 const workerInstance = new worker.Worker("workers/worker.ts")
 ```
-```js
+```ts
 // worker.ts
 import worker from '@ohos.worker';
 const parentPort = worker.parentPort
-parentPort.onerror = function(e){
+parentPort.onerror = () => {
     console.log("worker.ts onerror")
 }
 ```
@@ -2032,19 +2028,19 @@ parentPort.onerror = function(e){
 > **说明：**<br/>
 > 以API version 9的FA工程为例。
 
-```js
+```ts
 // main thread
-import worker from '@ohos.worker';
+import worker, { MessageEvents } from '@ohos.worker';
 const workerInstance = new worker.ThreadWorker("workers/worker.ts");
 workerInstance.postMessage("message from main thread to worker");
-workerInstance.onmessage = function(d) {
+workerInstance.onmessage = (d: MessageEvents): void => {
   // 当worker线程传递obj2时，data即为obj2。data没有Init、SetName的方法
-  let data = d.data;
+  let data: string  = d.data;
 }
 ```
-```js
+```ts
 // worker.ts
-import worker from '@ohos.worker';
+import worker, { MessageEvents } from '@ohos.worker';
 const workerPort = worker.workerPort;
 class MyModel {
     name = "undefined"
@@ -2052,10 +2048,10 @@ class MyModel {
         this.name = "MyModel"
     }
 }
-workerPort.onmessage = function(d) {
+workerPort.onmessage = (d: MessageEvents): void => {
     console.log("worker.ts onmessage");
-    let data = d.data;
-    let func1 = function() {
+    let data: string = d.data;
+    let func1 = () => {
         console.log("post message is function");
     }
     let obj1 = {
@@ -2070,16 +2066,16 @@ workerPort.onmessage = function(d) {
     // workerPort.postMessage(obj1);  传递obj1发生序列化错误
     workerPort.postMessage(obj2);     // 传递obj2不会发生序列化错误
 }
-workerPort.onmessageerror = function(e) {
+workerPort.onmessageerror = () => {
     console.log("worker.ts onmessageerror");
 }
-workerPort.onerror = function(e) {
+workerPort.onerror = () => {
     console.log("worker.ts onerror");
 }
 ```
 
 ### 内存模型
-Worker基于Actor并发模型实现。在Worker的交互流程中，JS主线程可以创建多个Worker子线程，各个Worker线程间相互隔离，并通过序列化传递对象，等到Worker线程完成计算任务，再把结果返回给主线程。 
+Worker基于Actor并发模型实现。在Worker的交互流程中，JS主线程可以创建多个Worker子线程，各个Worker线程间相互隔离，并通过序列化传递对象，等到Worker线程完成计算任务，再把结果返回给主线程。
 
 Actor并发模型的交互原理：各个Actor并发地处理主线程任务，每个Actor内部都有一个消息队列及单线程执行模块，消息队列负责接收主线程及其他Actor的请求，单线程执行模块则负责串行地处理请求、向其他Actor发送请求以及创建新的Actor。由于Actor采用的是异步方式，各个Actor之间相互隔离没有数据竞争，因此Actor可以高并发运行。
 
@@ -2088,9 +2084,9 @@ Actor并发模型的交互原理：各个Actor并发地处理主线程任务，
 > 以API version 9的工程为例。<br> API version 8及之前的版本仅支持FA模型，如需使用，注意更换构造Worker的接口和创建worker线程中与主线程通信的对象的两个方法。
 ### FA模型
 
-```js
+```ts
 // main thread(同级目录为例)
-import worker from '@ohos.worker';
+import worker, { MessageEvents } from '@ohos.worker';
 // 主线程中创建Worker对象
 const workerInstance = new worker.ThreadWorker("workers/worker.ts");
 
@@ -2098,9 +2094,9 @@ const workerInstance = new worker.ThreadWorker("workers/worker.ts");
 workerInstance.postMessage("123");
 
 // 主线程接收worker线程信息
-workerInstance.onmessage = function(e) {
+workerInstance.onmessage = (e: MessageEvents): void => {
     // data：worker线程发送的信息
-    let data = e.data;
+    let data: string = e.data;
     console.log("main thread onmessage");
 
     // 销毁Worker对象
@@ -2108,21 +2104,21 @@ workerInstance.onmessage = function(e) {
 }
 
 // 在调用terminate后，执行回调onexit
-workerInstance.onexit = function() {
+workerInstance.onexit = () => {
     console.log("main thread terminate");
 }
 ```
-```js
+```ts
 // worker.ts
-import worker from '@ohos.worker';
+import worker, { MessageEvents } from '@ohos.worker';
 
 // 创建worker线程中与主线程通信的对象
 const workerPort = worker.workerPort
 
 // worker线程接收主线程信息
-workerPort.onmessage = function(e) {
+workerPort.onmessage = (e: MessageEvents): void => {
     // data：主线程发送的信息
-    let data = e.data;
+    let data: string = e.data;
     console.log("worker.ts onmessage");
 
     // worker线程向主线程发送信息
@@ -2130,7 +2126,7 @@ workerPort.onmessage = function(e) {
 }
 
 // worker线程发生error的回调
-workerPort.onerror= function(e) {
+workerPort.onerror= () => {
     console.log("worker.ts onerror");
 }
 ```
@@ -2145,9 +2141,9 @@ build-profile.json5 配置 :
   }
 ```
 ### Stage模型
-```js
+```ts
 // main thread（以不同目录为例）
-import worker from '@ohos.worker';
+import worker, { MessageEvents } from '@ohos.worker';
 
 // 主线程中创建Worker对象
 const workerInstance = new worker.ThreadWorker("entry/ets/pages/workers/worker.ts");
@@ -2156,30 +2152,30 @@ const workerInstance = new worker.ThreadWorker("entry/ets/pages/workers/worker.t
 workerInstance.postMessage("123");
 
 // 主线程接收worker线程信息
-workerInstance.onmessage = function(e) {
+workerInstance.onmessage = (e: MessageEvents): void => {
     // data：worker线程发送的信息
-    let data = e.data;
+    let data: string = e.data;
     console.log("main thread onmessage");
 
     // 销毁Worker对象
     workerInstance.terminate();
 }
 // 在调用terminate后，执行onexit
-workerInstance.onexit = function() {
+workerInstance.onexit = () => {
     console.log("main thread terminate");
 }
 ```
-```js
+```ts
 // worker.ts
-import worker from '@ohos.worker';
+import worker, { MessageEvents } from '@ohos.worker';
 
 // 创建worker线程中与主线程通信的对象
 const workerPort = worker.workerPort
 
 // worker线程接收主线程信息
-workerPort.onmessage = function(e) {
+workerPort.onmessage = (e: MessageEvents): void => {
     // data：主线程发送的信息
-    let data = e.data;
+    let data: string = e.data;
     console.log("worker.ts onmessage");
 
     // worker线程向主线程发送信息
@@ -2187,7 +2183,7 @@ workerPort.onmessage = function(e) {
 }
 
 // worker线程发生error的回调
-workerPort.onerror= function(e) {
+workerPort.onerror= () => {
     console.log("worker.ts onerror");
 }
 ```
diff --git a/zh-cn/application-dev/reference/arkui-ts/ts-basic-components-textinput.md b/zh-cn/application-dev/reference/arkui-ts/ts-basic-components-textinput.md
index 9b94bc0122f5b954928d94ccf79979817d670736..85682455f63eb4d229f681bc6087cfc95b0c8ce8 100644
--- a/zh-cn/application-dev/reference/arkui-ts/ts-basic-components-textinput.md
+++ b/zh-cn/application-dev/reference/arkui-ts/ts-basic-components-textinput.md
@@ -233,7 +233,7 @@ struct TextInputExample {
         .maxLength(9)
         .showPasswordIcon(true)
       // 内联风格输入框
-      TextInput({ placeholder: 'inline style' })
+      TextInput({ text: 'inline style' })
         .width(400)
         .height(50)
         .margin(20)
diff --git a/zh-cn/application-dev/reference/arkui-ts/ts-basic-components-web.md b/zh-cn/application-dev/reference/arkui-ts/ts-basic-components-web.md
index 3886c73bb412b89ec7cc8b7282104bce617006cd..54fc2b8181cb4574ecfc0bf37fe92ec251007fba 100755
--- a/zh-cn/application-dev/reference/arkui-ts/ts-basic-components-web.md
+++ b/zh-cn/application-dev/reference/arkui-ts/ts-basic-components-web.md
@@ -86,11 +86,37 @@ Web(options: { src: ResourceStr, controller: WebviewController | WebController})
 
   加载沙箱路径下的本地资源文件
 
-  1.通过[globalthis](../../application-models/uiability-data-sync-with-ui.md#uiability和page之间使用globalthis)获取沙箱路径。
+  1.通过构造的单例对象GlobalContext获取沙箱路径。
+  ```ts
+  // GlobalContext.ts
+  export class GlobalContext {
+    private constructor() {}
+    private static instance: GlobalContext;
+    private _objects = new Map<string, Object>();
+
+    public static getContext(): GlobalContext {
+      if (!GlobalContext.instance) {
+        GlobalContext.instance = new GlobalContext();
+      }
+      return GlobalContext.instance;
+    }
+
+    getObject(value: string): Object | undefined {
+      return this._objects.get(value);
+    }
+
+    setObject(key: string, objectClass: Object): void {
+      this._objects.set(key, objectClass);
+    }
+  }
+  ```
+
   ```ts
   // xxx.ets
   import web_webview from '@ohos.web.webview'
-  let url = 'file://' + globalThis.filesDir + '/index.html'
+  import { GlobalContext } from '../GlobalContext'
+
+  let url = 'file://' + GlobalContext.getContext().getObject("filesDir") + '/index.html'
 
   @Entry
   @Component
@@ -110,13 +136,16 @@ Web(options: { src: ResourceStr, controller: WebviewController | WebController})
   ```ts
   // xxx.ts
   import UIAbility from '@ohos.app.ability.UIAbility';
+  import AbilityConstant from '@ohos.app.ability.AbilityConstant';
+  import Want from '@ohos.app.ability.Want';
   import web_webview from '@ohos.web.webview';
+  import { GlobalContext } from '../GlobalContext'
 
   export default class EntryAbility extends UIAbility {
-      onCreate(want, launchParam) {
-          // 通过在globalThis对象上绑定filesDir，可以实现UIAbility组件与UI之间的数据同步。
-          globalThis.filesDir = this.context.filesDir
-          console.log("Sandbox path is " + globalThis.filesDir)
+      onCreate(want: Want, launchParam: AbilityConstant.LaunchParam) {
+          // 通过在GlobalContext对象上绑定filesDir，可以实现UIAbility组件与UI之间的数据同步。
+          GlobalContext.getContext().setObject("filesDir", this.context.filesDir);
+          console.log("Sandbox path is " + GlobalContext.getContext().getObject("filesDir"))
       }
   }
   ```
@@ -250,21 +279,27 @@ javaScriptProxy(javaScriptProxy: { object: object, name: string, methodList: Arr
   // xxx.ets
   import web_webview from '@ohos.web.webview'
 
+  class TestObj {
+    constructor() {
+    }
+
+    test(data1: string, data2: string, data3: string): string {
+      console.log("data1:" + data1)
+      console.log("data2:" + data2)
+      console.log("data3:" + data3)
+      return "AceString"
+    }
+
+    toString(): void {
+      console.log('toString' + "interface instead.")
+    }
+  }
+
   @Entry
   @Component
   struct WebComponent {
     controller: web_webview.WebviewController = new web_webview.WebviewController()
-    testObj = {
-      test: (data1, data2, data3) => {
-        console.log("data1:" + data1)
-        console.log("data2:" + data2)
-        console.log("data3:" + data3)
-        return "AceString"
-      },
-      toString: () => {
-        console.log('toString' + "interface instead.")
-      }
-    }
+    testObj = new TestObj();
     build() {
       Column() {
         Web({ src: 'www.example.com', controller: this.controller })
@@ -1332,8 +1367,8 @@ allowWindowOpenMethod(flag: boolean)
   //在同一page页有两个web组件。在WebComponent新开窗口时，会跳转到NewWebViewComp。
   @CustomDialog
   struct NewWebViewComp {
-  controller: CustomDialogController
-  webviewController1: web_webview.WebviewController
+  controller?: CustomDialogController
+  webviewController1: web_webview.WebviewController = new web_webview.WebviewController()
   build() {
       Column() {
         Web({ src: "", controller: this.webviewController1 })
@@ -1341,7 +1376,9 @@ allowWindowOpenMethod(flag: boolean)
           .multiWindowAccess(false)
           .onWindowExit(()=> {
             console.info("NewWebViewComp onWindowExit")
-            this.controller.close()
+            if (this.controller) {
+              this.controller.close()
+            }
           })
         }
     }
@@ -1351,7 +1388,7 @@ allowWindowOpenMethod(flag: boolean)
   @Component
   struct WebComponent {
     controller: web_webview.WebviewController = new web_webview.WebviewController()
-    dialogController: CustomDialogController = null
+    dialogController: CustomDialogController | null = null
     build() {
       Column() {
         Web({ src: 'www.example.com', controller: this.controller })
@@ -1454,27 +1491,29 @@ onAlert(callback: (event?: { url: string; message: string; result: JsResult }) =
       Column() {
         Web({ src: $rawfile("index.html"), controller: this.controller })
           .onAlert((event) => {
-            console.log("event.url:" + event.url)
-            console.log("event.message:" + event.message)
-            AlertDialog.show({
-              title: 'onAlert',
-              message: 'text',
-              primaryButton: {
-                value: 'cancel',
-                action: () => {
+            if (event) {
+              console.log("event.url:" + event.url)
+              console.log("event.message:" + event.message)
+              AlertDialog.show({
+                title: 'onAlert',
+                message: 'text',
+                primaryButton: {
+                  value: 'cancel',
+                  action: () => {
+                    event.result.handleCancel()
+                  }
+                },
+                secondaryButton: {
+                  value: 'ok',
+                  action: () => {
+                    event.result.handleConfirm()
+                  }
+                },
+                cancel: () => {
                   event.result.handleCancel()
                 }
-              },
-              secondaryButton: {
-                value: 'ok',
-                action: () => {
-                  event.result.handleConfirm()
-                }
-              },
-              cancel: () => {
-                event.result.handleCancel()
-              }
-            })
+              })
+            }
             return true
           })
       }
@@ -1537,27 +1576,29 @@ onBeforeUnload(callback: (event?: { url: string; message: string; result: JsResu
       Column() {
         Web({ src: $rawfile("index.html"), controller: this.controller })
           .onBeforeUnload((event) => {
-            console.log("event.url:" + event.url)
-            console.log("event.message:" + event.message)
-            AlertDialog.show({
-              title: 'onBeforeUnload',
-              message: 'text',
-              primaryButton: {
-                value: 'cancel',
-                action: () => {
+            if (event) {
+              console.log("event.url:" + event.url)
+              console.log("event.message:" + event.message)
+              AlertDialog.show({
+                title: 'onBeforeUnload',
+                message: 'text',
+                primaryButton: {
+                  value: 'cancel',
+                  action: () => {
+                    event.result.handleCancel()
+                  }
+                },
+                secondaryButton: {
+                  value: 'ok',
+                  action: () => {
+                    event.result.handleConfirm()
+                  }
+                },
+                cancel: () => {
                   event.result.handleCancel()
                 }
-              },
-              secondaryButton: {
-                value: 'ok',
-                action: () => {
-                  event.result.handleConfirm()
-                }
-              },
-              cancel: () => {
-                event.result.handleCancel()
-              }
-            })
+              })
+            }
             return true
           })
       }
@@ -1620,27 +1661,29 @@ onConfirm(callback: (event?: { url: string; message: string; result: JsResult })
       Column() {
         Web({ src: $rawfile("index.html"), controller: this.controller })
           .onConfirm((event) => {
-            console.log("event.url:" + event.url)
-            console.log("event.message:" + event.message)
-            AlertDialog.show({
-              title: 'onConfirm',
-              message: 'text',
-              primaryButton: {
-                value: 'cancel',
-                action: () => {
+            if (event) {
+              console.log("event.url:" + event.url)
+              console.log("event.message:" + event.message)
+              AlertDialog.show({
+                title: 'onConfirm',
+                message: 'text',
+                primaryButton: {
+                  value: 'cancel',
+                  action: () => {
+                    event.result.handleCancel()
+                  }
+                },
+                secondaryButton: {
+                  value: 'ok',
+                  action: () => {
+                    event.result.handleConfirm()
+                  }
+                },
+                cancel: () => {
                   event.result.handleCancel()
                 }
-              },
-              secondaryButton: {
-                value: 'ok',
-                action: () => {
-                  event.result.handleConfirm()
-                }
-              },
-              cancel: () => {
-                event.result.handleCancel()
-              }
-            })
+              })
+            }
             return true
           })
       }
@@ -1710,28 +1753,30 @@ onPrompt(callback: (event?: { url: string; message: string; value: string; resul
       Column() {
         Web({ src: $rawfile("index.html"), controller: this.controller })
           .onPrompt((event) => {
-            console.log("url:" + event.url)
-            console.log("message:" + event.message)
-            console.log("value:" + event.value)
-            AlertDialog.show({
-              title: 'onPrompt',
-              message: 'text',
-              primaryButton: {
-                value: 'cancel',
-                action: () => {
+            if (event) {
+              console.log("url:" + event.url)
+              console.log("message:" + event.message)
+              console.log("value:" + event.value)
+              AlertDialog.show({
+                title: 'onPrompt',
+                message: 'text',
+                primaryButton: {
+                  value: 'cancel',
+                  action: () => {
+                    event.result.handleCancel()
+                  }
+                },
+                secondaryButton: {
+                  value: 'ok',
+                  action: () => {
+                    event.result.handlePromptConfirm(event.value)
+                  }
+                },
+                cancel: () => {
                   event.result.handleCancel()
                 }
-              },
-              secondaryButton: {
-                value: 'ok',
-                action: () => {
-                  event.result.handlePromptConfirm(event.value)
-                }
-              },
-              cancel: () => {
-                event.result.handleCancel()
-              }
-            })
+              })
+            }
             return true
           })
       }
@@ -1797,10 +1842,12 @@ onConsole(callback: (event?: { message: ConsoleMessage }) => boolean)
       Column() {
         Web({ src: 'www.example.com', controller: this.controller })
           .onConsole((event) => {
-            console.log('getMessage:' + event.message.getMessage())
-            console.log('getSourceId:' + event.message.getSourceId())
-            console.log('getLineNumber:' + event.message.getLineNumber())
-            console.log('getMessageLevel:' + event.message.getMessageLevel())
+            if (event) {
+              console.log('getMessage:' + event.message.getMessage())
+              console.log('getSourceId:' + event.message.getSourceId())
+              console.log('getLineNumber:' + event.message.getLineNumber())
+              console.log('getMessageLevel:' + event.message.getMessageLevel())
+            }
             return false
           })
       }
@@ -1839,11 +1886,13 @@ onDownloadStart(callback: (event?: { url: string, userAgent: string, contentDisp
       Column() {
         Web({ src: 'www.example.com', controller: this.controller })
           .onDownloadStart((event) => {
-            console.log('url:' + event.url)
-            console.log('userAgent:' + event.userAgent)
-            console.log('contentDisposition:' + event.contentDisposition)
-            console.log('contentLength:' + event.contentLength)
-            console.log('mimetype:' + event.mimetype)
+            if (event) {
+              console.log('url:' + event.url)
+              console.log('userAgent:' + event.userAgent)
+              console.log('contentDisposition:' + event.contentDisposition)
+              console.log('contentLength:' + event.contentLength)
+              console.log('mimetype:' + event.mimetype)
+            }
           })
       }
     }
@@ -1878,17 +1927,19 @@ onErrorReceive(callback: (event?: { request: WebResourceRequest, error: WebResou
       Column() {
         Web({ src: 'www.example.com', controller: this.controller })
           .onErrorReceive((event) => {
-            console.log('getErrorInfo:' + event.error.getErrorInfo())
-            console.log('getErrorCode:' + event.error.getErrorCode())
-            console.log('url:' + event.request.getRequestUrl())
-            console.log('isMainFrame:' + event.request.isMainFrame())
-            console.log('isRedirect:' + event.request.isRedirect())
-            console.log('isRequestGesture:' + event.request.isRequestGesture())
-            console.log('getRequestHeader_headerKey:' + event.request.getRequestHeader().toString())
-            let result = event.request.getRequestHeader()
-            console.log('The request header result size is ' + result.length)
-            for (let i of result) {
-              console.log('The request header key is : ' + i.headerKey + ', value is : ' + i.headerValue)
+            if (event) {
+              console.log('getErrorInfo:' + event.error.getErrorInfo())
+              console.log('getErrorCode:' + event.error.getErrorCode())
+              console.log('url:' + event.request.getRequestUrl())
+              console.log('isMainFrame:' + event.request.isMainFrame())
+              console.log('isRedirect:' + event.request.isRedirect())
+              console.log('isRequestGesture:' + event.request.isRequestGesture())
+              console.log('getRequestHeader_headerKey:' + event.request.getRequestHeader().toString())
+              let result = event.request.getRequestHeader()
+              console.log('The request header result size is ' + result.length)
+              for (let i of result) {
+                console.log('The request header key is : ' + i.headerKey + ', value is : ' + i.headerValue)
+              }
             }
           })
       }
@@ -1924,24 +1975,26 @@ onHttpErrorReceive(callback: (event?: { request: WebResourceRequest, response: W
       Column() {
         Web({ src: 'www.example.com', controller: this.controller })
           .onHttpErrorReceive((event) => {
-            console.log('url:' + event.request.getRequestUrl())
-            console.log('isMainFrame:' + event.request.isMainFrame())
-            console.log('isRedirect:' + event.request.isRedirect())
-            console.log('isRequestGesture:' + event.request.isRequestGesture())
-            console.log('getResponseData:' + event.response.getResponseData())
-            console.log('getResponseEncoding:' + event.response.getResponseEncoding())
-            console.log('getResponseMimeType:' + event.response.getResponseMimeType())
-            console.log('getResponseCode:' + event.response.getResponseCode())
-            console.log('getReasonMessage:' + event.response.getReasonMessage())
-            let result = event.request.getRequestHeader()
-            console.log('The request header result size is ' + result.length)
-            for (let i of result) {
-              console.log('The request header key is : ' + i.headerKey + ' , value is : ' + i.headerValue)
-            }
-            let resph = event.response.getResponseHeader()
-            console.log('The response header result size is ' + resph.length)
-            for (let i of resph) {
-              console.log('The response header key is : ' + i.headerKey + ' , value is : ' + i.headerValue)
+            if (event) {
+              console.log('url:' + event.request.getRequestUrl())
+              console.log('isMainFrame:' + event.request.isMainFrame())
+              console.log('isRedirect:' + event.request.isRedirect())
+              console.log('isRequestGesture:' + event.request.isRequestGesture())
+              console.log('getResponseData:' + event.response.getResponseData())
+              console.log('getResponseEncoding:' + event.response.getResponseEncoding())
+              console.log('getResponseMimeType:' + event.response.getResponseMimeType())
+              console.log('getResponseCode:' + event.response.getResponseCode())
+              console.log('getReasonMessage:' + event.response.getReasonMessage())
+              let result = event.request.getRequestHeader()
+              console.log('The request header result size is ' + result.length)
+              for (let i of result) {
+                console.log('The request header key is : ' + i.headerKey + ' , value is : ' + i.headerValue)
+              }
+              let resph = event.response.getResponseHeader()
+              console.log('The response header result size is ' + resph.length)
+              for (let i of resph) {
+                console.log('The response header key is : ' + i.headerKey + ' , value is : ' + i.headerValue)
+              }
             }
           })
       }
@@ -1976,7 +2029,9 @@ onPageBegin(callback: (event?: { url: string }) => void)
       Column() {
         Web({ src: 'www.example.com', controller: this.controller })
           .onPageBegin((event) => {
-            console.log('url:' + event.url)
+            if (event) {
+              console.log('url:' + event.url)
+            }
           })
       }
     }
@@ -2010,7 +2065,9 @@ onPageEnd(callback: (event?: { url: string }) => void)
       Column() {
         Web({ src: 'www.example.com', controller: this.controller })
           .onPageEnd((event) => {
-            console.log('url:' + event.url)
+            if (event) {
+              console.log('url:' + event.url)
+            }
           })
       }
     }
@@ -2044,7 +2101,9 @@ onProgressChange(callback: (event?: { newProgress: number }) => void)
       Column() {
         Web({ src: 'www.example.com', controller: this.controller })
           .onProgressChange((event) => {
-            console.log('newProgress:' + event.newProgress)
+            if (event) {
+              console.log('newProgress:' + event.newProgress)
+            }
           })
       }
     }
@@ -2078,7 +2137,9 @@ onTitleReceive(callback: (event?: { title: string }) => void)
       Column() {
         Web({ src: 'www.example.com', controller: this.controller })
           .onTitleReceive((event) => {
-            console.log('title:' + event.title)
+            if (event) {
+              console.log('title:' + event.title)
+            }
           })
       }
     }
@@ -2113,7 +2174,9 @@ onRefreshAccessedHistory(callback: (event?: { url: string, isRefreshed: boolean
       Column() {
         Web({ src: 'www.example.com', controller: this.controller })
           .onRefreshAccessedHistory((event) => {
-            console.log('url:' + event.url + ' isReload:' + event.isRefreshed)
+            if (event) {
+              console.log('url:' + event.url + ' isReload:' + event.isRefreshed)
+            }
           })
       }
     }
@@ -2167,7 +2230,9 @@ onRenderExited(callback: (event?: { renderExitReason: RenderExitReason }) => voi
       Column() {
         Web({ src: 'chrome://crash/', controller: this.controller })
           .onRenderExited((event) => {
-            console.log('reason:' + event.renderExitReason)
+            if (event) {
+              console.log('reason:' + event.renderExitReason)
+            }
           })
       }
     }
@@ -2199,6 +2264,7 @@ onShowFileSelector(callback: (event?: { result: FileSelectorResult, fileSelector
   // xxx.ets
   import web_webview from '@ohos.web.webview';
   import picker from '@ohos.file.picker';
+  import { BusinessError } from '@ohos.base';
 
   @Entry
   @Component
@@ -2211,13 +2277,15 @@ onShowFileSelector(callback: (event?: { result: FileSelectorResult, fileSelector
           .onShowFileSelector((event) => {
             console.log('MyFileUploader onShowFileSelector invoked')
             const documentSelectOptions = new picker.DocumentSelectOptions();
-            let uri = null;
+            let uri: string | null = null;
             const documentViewPicker = new picker.DocumentViewPicker();
             documentViewPicker.select(documentSelectOptions).then((documentSelectResult) => {
               uri = documentSelectResult[0];
               console.info('documentViewPicker.select to file succeed and uri is:' + uri);
-              event.result.handleFileList([uri]);
-            }).catch((err) => {
+              if (event) {
+                event.result.handleFileList([uri]);
+              }
+            }).catch((err: BusinessError) => {
               console.error(`Invoke documentViewPicker.select failed, code is ${err.code}, message is ${err.message}`);
             })
             return true
@@ -2343,7 +2411,9 @@ onUrlLoadIntercept(callback: (event?: { data:string | WebResourceRequest }) => b
       Column() {
         Web({ src: 'www.example.com', controller: this.controller })
           .onUrlLoadIntercept((event) => {
-            console.log('onUrlLoadIntercept ' + event.data.toString())
+            if (event) {
+              console.log('onUrlLoadIntercept ' + event.data.toString())
+            }
             return true
           })
       }
@@ -2394,16 +2464,18 @@ onInterceptRequest(callback: (event?: { request: WebResourceRequest}) => WebReso
       Column() {
         Web({ src: 'www.example.com', controller: this.controller })
           .onInterceptRequest((event) => {
-            console.log('url:' + event.request.getRequestUrl())
-            var head1:Header = {
+            if (event) {
+              console.log('url:' + event.request.getRequestUrl())
+            }
+            let head1:Header = {
               headerKey:"Connection",
               headerValue:"keep-alive"
             }
-            var head2:Header = {
+            let head2:Header = {
               headerKey:"Cache-Control",
               headerValue:"no-cache"
             }
-            var length = this.heads.push(head1)
+            let length = this.heads.push(head1)
             length = this.heads.push(head2)
             this.responseweb.setResponseHeader(this.heads)
             this.responseweb.setResponseData(this.webdata)
@@ -2453,34 +2525,36 @@ onHttpAuthRequest(callback: (event?: { handler: HttpAuthHandler, host: string, r
       Column() {
         Web({ src: 'www.example.com', controller: this.controller })
           .onHttpAuthRequest((event) => {
-            AlertDialog.show({
-              title: 'onHttpAuthRequest',
-              message: 'text',
-              primaryButton: {
-                value: 'cancel',
-                action: () => {
-                  event.handler.cancel()
-                }
-              },
-              secondaryButton: {
-                value: 'ok',
-                action: () => {
-                  this.httpAuth = event.handler.isHttpAuthInfoSaved()
-                  if (this.httpAuth == false) {
-                    web_webview.WebDataBase.saveHttpAuthCredentials(
-                      event.host,
-                      event.realm,
-                      "2222",
-                      "2222"
-                    )
+            if (event) {
+              AlertDialog.show({
+                title: 'onHttpAuthRequest',
+                message: 'text',
+                primaryButton: {
+                  value: 'cancel',
+                  action: () => {
                     event.handler.cancel()
                   }
+                },
+                secondaryButton: {
+                  value: 'ok',
+                  action: () => {
+                    this.httpAuth = event.handler.isHttpAuthInfoSaved()
+                    if (this.httpAuth == false) {
+                      web_webview.WebDataBase.saveHttpAuthCredentials(
+                        event.host,
+                        event.realm,
+                        "2222",
+                        "2222"
+                      )
+                      event.handler.cancel()
+                    }
+                  }
+                },
+                cancel: () => {
+                  event.handler.cancel()
                 }
-              },
-              cancel: () => {
-                event.handler.cancel()
-              }
-            })
+              })
+            }
             return true
           })
       }
@@ -2595,8 +2669,11 @@ onClientAuthenticationRequest(callback: (event: {handler : ClientAuthenticationH
 
   ```ts
   // xxx.ets API10
+  import common from '@ohos.app.ability.common';
+  import Want from '@ohos.app.ability.Want';
   import web_webview from '@ohos.web.webview'
   import bundle from '@ohos.bundle'
+  import { GlobalContext } from '../GlobalContext'
 
   let uri = "";
 
@@ -2611,15 +2688,15 @@ onClientAuthenticationRequest(callback: (event: {handler : ClientAuthenticationH
       return CertManagerService.sInstance;
     }
 
-    async grantAppPm(callback) {
+    async grantAppPm(callback: (message: string) => void) {
       let message = '';
       //注：com.example.myapplication需要写实际应用名称
       let bundleInfo = await bundle.getBundleInfo("com.example.myapplication", bundle.BundleFlag.GET_BUNDLE_DEFAULT)
       let clientAppUid = bundleInfo.uid
       let appUid = clientAppUid.toString()
 
-      //注：globalThis.AbilityContext需要在MainAbility.ts文件的onCreate函数里添加globalThis.AbilityContext = this.context
-      await globalThis.AbilityContext.startAbilityForResult(
+      //注：需要在MainAbility.ts文件的onCreate函数里添加GlobalContext.getContext().setObject("AbilityContext", this.context)
+      await GlobalContext.getContext().getObject("AbilityContext").startAbilityForResult(
         {
           bundleName: "com.ohos.certmanager",
           abilityName: "MainAbility",
@@ -2627,10 +2704,12 @@ onClientAuthenticationRequest(callback: (event: {handler : ClientAuthenticationH
           parameters: {
             appUid: appUid, //传入申请应用的appUid
           }
-        })
-        .then((data) => {
-          if (!data.resultCode) {
-            this.authUri = data.want.parameters.authUri; //授权成功后获取返回的authUri
+        } as Want)
+        .then((data: common.AbilityResult) => {
+          if (!data.resultCode && data.want) {
+            if (data.want.parameters) {
+              this.authUri = data.want.parameters.authUri as string; //授权成功后获取返回的authUri
+            }
           }
         })
       message += "after grantAppPm authUri: " + this.authUri;
@@ -2719,25 +2798,27 @@ onPermissionRequest(callback: (event?: { request: PermissionRequest }) => void)
       Column() {
         Web({ src: 'www.example.com', controller: this.controller })
           .onPermissionRequest((event) => {
-            AlertDialog.show({
-              title: 'title',
-              message: 'text',
-              primaryButton: {
-                value: 'deny',
-                action: () => {
+            if (event) {
+              AlertDialog.show({
+                title: 'title',
+                message: 'text',
+                primaryButton: {
+                  value: 'deny',
+                  action: () => {
+                    event.request.deny()
+                  }
+                },
+                secondaryButton: {
+                  value: 'onConfirm',
+                  action: () => {
+                    event.request.grant(event.request.getAccessibleResource())
+                  }
+                },
+                cancel: () => {
                   event.request.deny()
                 }
-              },
-              secondaryButton: {
-                value: 'onConfirm',
-                action: () => {
-                  event.request.grant(event.request.getAccessibleResource())
-                }
-              },
-              cancel: () => {
-                event.request.deny()
-              }
-            })
+              })
+            }
           })
       }
     }
@@ -2777,8 +2858,10 @@ onContextMenuShow(callback: (event?: { param: WebContextMenuParam, result: WebCo
       Column() {
         Web({ src: 'www.example.com', controller: this.controller })
           .onContextMenuShow((event) => {
-            console.info("x coord = " + event.param.x())
-            console.info("link url = " + event.param.getLinkUrl())
+            if (event) {
+              console.info("x coord = " + event.param.x())
+              console.info("link url = " + event.param.getLinkUrl())
+            }
             return true
         })
       }
@@ -2849,19 +2932,21 @@ onGeolocationShow(callback: (event?: { origin: string, geolocation: JsGeolocatio
         Web({ src:'www.example.com', controller:this.controller })
         .geolocationAccess(true)
         .onGeolocationShow((event) => {
-          AlertDialog.show({
-            title: 'title',
-            message: 'text',
-            confirm: {
-              value: 'onConfirm',
-              action: () => {
-                event.geolocation.invoke(event.origin, true, true)
+          if (event) {
+            AlertDialog.show({
+              title: 'title',
+              message: 'text',
+              confirm: {
+                value: 'onConfirm',
+                action: () => {
+                  event.geolocation.invoke(event.origin, true, true)
+                }
+              },
+              cancel: () => {
+                event.geolocation.invoke(event.origin, false, true)
               }
-            },
-            cancel: () => {
-              event.geolocation.invoke(event.origin, false, true)
-            }
-          })
+            })
+          }
         })
       }
     }
@@ -2924,7 +3009,7 @@ onFullScreenEnter(callback: (event: { handler: FullScreenExitHandler }) => void)
   @Component
   struct WebComponent {
     controller: web_webview.WebviewController = new web_webview.WebviewController()
-    handler: FullScreenExitHandler = null
+    handler: FullScreenExitHandler | null = null
     build() {
       Column() {
         Web({ src:'www.example.com', controller:this.controller })
@@ -2959,13 +3044,15 @@ onFullScreenExit(callback: () => void)
   @Component
   struct WebComponent {
     controller: web_webview.WebviewController = new web_webview.WebviewController()
-    handler: FullScreenExitHandler = null
+    handler: FullScreenExitHandler | null = null
     build() {
       Column() {
         Web({ src:'www.example.com', controller:this.controller })
         .onFullScreenExit(() => {
           console.log("onFullScreenExit...")
-          this.handler.exitFullScreen()
+          if (this.handler) {
+            this.handler.exitFullScreen()
+          }
         })
         .onFullScreenEnter((event) => {
           this.handler = event.handler
@@ -3001,8 +3088,8 @@ onWindowNew(callback: (event: {isAlert: boolean, isUserTrigger: boolean, targetU
   //在同一page页有两个web组件。在WebComponent新开窗口时，会跳转到NewWebViewComp。
   @CustomDialog
   struct NewWebViewComp {
-  controller: CustomDialogController
-  webviewController1: web_webview.WebviewController
+  controller?: CustomDialogController
+  webviewController1: web_webview.WebviewController = new web_webview.WebviewController()
   build() {
       Column() {
         Web({ src: "", controller: this.webviewController1 })
@@ -3010,7 +3097,9 @@ onWindowNew(callback: (event: {isAlert: boolean, isUserTrigger: boolean, targetU
           .multiWindowAccess(false)
           .onWindowExit(()=> {
             console.info("NewWebViewComp onWindowExit")
-            this.controller.close()
+            if (this.controller) {
+              this.controller.close()
+            }
           })
         }
     }
@@ -3020,7 +3109,7 @@ onWindowNew(callback: (event: {isAlert: boolean, isUserTrigger: boolean, targetU
   @Component
   struct WebComponent {
     controller: web_webview.WebviewController = new web_webview.WebviewController()
-    dialogController: CustomDialogController = null
+    dialogController: CustomDialogController | null = null
     build() {
       Column() {
         Web({ src: 'www.example.com', controller: this.controller })
@@ -3109,9 +3198,11 @@ onSearchResultReceive(callback: (event?: {activeMatchOrdinal: number, numberOfMa
       Column() {
         Web({ src: 'www.example.com', controller: this.controller })
      	  .onSearchResultReceive(ret => {
+     	    if (ret) {
             console.log("on search result receive:" + "[cur]" + ret.activeMatchOrdinal +
               "[total]" + ret.numberOfMatches + "[isDone]"+ ret.isDoneCounting)
-          })
+     	    }
+     	  })
       }
     }
   }
@@ -3279,7 +3370,7 @@ onFaviconReceived(callback: (event: {favicon: image.PixelMap}) => void)
   @Component
   struct WebComponent {
     controller: web_webview.WebviewController = new web_webview.WebviewController()
-    @State icon: image.PixelMap = undefined;
+    @State icon: image.PixelMap | undefined = undefined;
     build() {
       Column() {
         Web({ src:'www.example.com', controller: this.controller })
@@ -3353,9 +3444,11 @@ onFirstContentfulPaint(callback: (event?: { navigationStartTick: number, firstCo
       Column() {
         Web({ src:'www.example.com', controller: this.controller })
           .onFirstContentfulPaint(event => {
-            console.log("onFirstContentfulPaint:" + "[navigationStartTick]:" +
+            if (event) {
+              console.log("onFirstContentfulPaint:" + "[navigationStartTick]:" +
               event.navigationStartTick + ", [firstContentfulPaintMs]:" +
               event.firstContentfulPaintMs)
+            }
           })
       }
     }
@@ -3459,25 +3552,27 @@ onScreenCaptureRequest(callback: (event?: { handler: ScreenCaptureHandler }) =>
       Column() {
         Web({ src: 'www.example.com', controller: this.controller })
           .onScreenCaptureRequest((event) => {
-            AlertDialog.show({
-              title: 'title: ' + event.handler.getOrigin(),
-              message: 'text',
-              primaryButton: {
-                value: 'deny',
-                action: () => {
+            if (event) {
+              AlertDialog.show({
+                title: 'title: ' + event.handler.getOrigin(),
+                message: 'text',
+                primaryButton: {
+                  value: 'deny',
+                  action: () => {
+                    event.handler.deny()
+                  }
+                },
+                secondaryButton: {
+                  value: 'onConfirm',
+                  action: () => {
+                    event.handler.grant({ captureMode: WebCaptureMode.HOME_SCREEN })
+                  }
+                },
+                cancel: () => {
                   event.handler.deny()
                 }
-              },
-              secondaryButton: {
-                value: 'onConfirm',
-                action: () => {
-                  event.handler.grant({ captureMode: WebCaptureMode.HOME_SCREEN })
-                }
-              },
-              cancel: () => {
-                event.handler.deny()
-              }
-            })
+              })
+            }
           })
       }
     }
@@ -3552,6 +3647,7 @@ onControllerAttached(callback: () => void)
   ```ts
   // xxx.ets
   import web_webview from '@ohos.web.webview'
+  import { BusinessError } from '@ohos.base';
 
   @Entry
   @Component
@@ -3563,10 +3659,12 @@ onControllerAttached(callback: () => void)
         Web({ src: $rawfile("index.html"), controller: this.controller })
           .onControllerAttached(() => {
             try {
-                let id = this.controller.getWebId();
-                console.log("id: " + id);
+              let id = this.controller.getWebId();
+              console.log("id: " + id);
             } catch (error) {
-                console.error(`ErrorCode: ${error.code},  Message: ${error.message}`);
+              let code = (error as BusinessError).code;
+              let message = (error as BusinessError).message;
+              console.error(`ErrorCode: ${code},  Message: ${message}`);
             }
           })
       }
@@ -4627,8 +4725,8 @@ cancel(): void
 
 ### 创建对象
 
-```
-webController: WebController = new WebController()
+```ts
+let webController: WebController = new WebController()
 ```
 
 ### getCookieManager<sup>9+</sup>
@@ -5167,18 +5265,24 @@ registerJavaScriptProxy(options: { object: object, name: string, methodList: Arr
 
   ```ts
   // xxx.ets
+  class TestObj {
+    constructor() {
+    }
+
+    test(): string {
+      return "ArkUI Web Component"
+    }
+
+    toString(): void {
+      console.log('Web Component toString')
+    }
+  }
+
   @Entry
   @Component
   struct Index {
     controller: WebController = new WebController()
-    testObj = {
-      test: (data) => {
-        return "ArkUI Web Component"
-      },
-      toString: () => {
-        console.log('Web Component toString')
-      }
-    }
+    testObj = new TestObj();
     build() {
       Column() {
         Row() {
@@ -5252,7 +5356,9 @@ runJavaScript(options: { script: string, callback?: (result: string) => void })
               this.webResult = result
               console.info(`The test() return value is: ${result}`)
             }})
-          console.info('url: ', e.url)
+          if (e) {
+            console.info('url: ', e.url)
+          }
         })
       }
     }
diff --git a/zh-cn/application-dev/reference/arkui-ts/ts-basic-gestures-longpressgesture.md b/zh-cn/application-dev/reference/arkui-ts/ts-basic-gestures-longpressgesture.md
index 1073d8738dbf000826b4a9ab70ef4dcda1079bf5..314e3a816b5a12630f79dc0a27666d72b280eebc 100644
--- a/zh-cn/application-dev/reference/arkui-ts/ts-basic-gestures-longpressgesture.md
+++ b/zh-cn/application-dev/reference/arkui-ts/ts-basic-gestures-longpressgesture.md
@@ -45,8 +45,8 @@ struct LongPressGestureExample {
         .gesture(
         LongPressGesture({ repeat: true })
           // 由于repeat设置为true，长按动作存在时会连续触发，触发间隔为duration（默认值500ms）
-          .onAction((event: GestureEvent) => {
-            if (event.repeat) {
+          .onAction((event?: GestureEvent) => {
+            if (event && event.repeat) {
               this.count++
             }
           })
diff --git a/zh-cn/application-dev/reference/arkui-ts/ts-basic-gestures-pangesture.md b/zh-cn/application-dev/reference/arkui-ts/ts-basic-gestures-pangesture.md
index 40fe5b82e8cb8454557780eb4c1d19d5e83a219a..08c399b319a72bce24527a866a4fb963271998df 100644
--- a/zh-cn/application-dev/reference/arkui-ts/ts-basic-gestures-pangesture.md
+++ b/zh-cn/application-dev/reference/arkui-ts/ts-basic-gestures-pangesture.md
@@ -95,12 +95,14 @@ struct PanGestureExample {
       // 左右拖动触发该手势事件
       .gesture(
       PanGesture(this.panOption)
-        .onActionStart((event: GestureEvent) => {
+        .onActionStart((event?: GestureEvent) => {
           console.info('Pan start')
         })
-        .onActionUpdate((event: GestureEvent) => {
-          this.offsetX = this.positionX + event.offsetX
-          this.offsetY = this.positionY + event.offsetY
+        .onActionUpdate((event?: GestureEvent) => {
+          if (event) {
+            this.offsetX = this.positionX + event.offsetX
+            this.offsetY = this.positionY + event.offsetY
+          }
         })
         .onActionEnd(() => {
           this.positionX = this.offsetX
diff --git a/zh-cn/application-dev/reference/arkui-ts/ts-basic-gestures-pinchgesture.md b/zh-cn/application-dev/reference/arkui-ts/ts-basic-gestures-pinchgesture.md
index 59a11311a2beb9e089a1a1f8e7d491f810c3f84f..dbd786de38db24a5c64852af20d320d04b5e72f4 100644
--- a/zh-cn/application-dev/reference/arkui-ts/ts-basic-gestures-pinchgesture.md
+++ b/zh-cn/application-dev/reference/arkui-ts/ts-basic-gestures-pinchgesture.md
@@ -56,13 +56,15 @@ struct PinchGestureExample {
       // 三指捏合触发该手势事件
       .gesture(
       PinchGesture({ fingers: 3 })
-        .onActionStart((event: GestureEvent) => {
+        .onActionStart((event?: GestureEvent) => {
           console.info('Pinch start')
         })
-        .onActionUpdate((event: GestureEvent) => {
-          this.scaleValue = this.pinchValue * event.scale
-          this.pinchX = event.pinchCenterX
-          this.pinchY = event.pinchCenterY
+        .onActionUpdate((event?: GestureEvent) => {
+          if (event) {
+            this.scaleValue = this.pinchValue * event.scale
+            this.pinchX = event.pinchCenterX
+            this.pinchY = event.pinchCenterY
+          }
         })
         .onActionEnd(() => {
           this.pinchValue = this.scaleValue
diff --git a/zh-cn/application-dev/reference/arkui-ts/ts-basic-gestures-rotationgesture.md b/zh-cn/application-dev/reference/arkui-ts/ts-basic-gestures-rotationgesture.md
index 3c4a56b76cf7c8d7866566b80a38af8be0587f0f..b19e3f1abdbc7b84dc7566f9a4d9867d7c28eb93 100644
--- a/zh-cn/application-dev/reference/arkui-ts/ts-basic-gestures-rotationgesture.md
+++ b/zh-cn/application-dev/reference/arkui-ts/ts-basic-gestures-rotationgesture.md
@@ -53,11 +53,13 @@ struct RotationGestureExample {
       // 双指旋转触发该手势事件
       .gesture(
       RotationGesture()
-        .onActionStart((event: GestureEvent) => {
+        .onActionStart((event?: GestureEvent) => {
           console.info('Rotation start')
         })
-        .onActionUpdate((event: GestureEvent) => {
-          this.angle = this.rotateValue + event.angle
+        .onActionUpdate((event?: GestureEvent) => {
+          if (event) {
+            this.angle = this.rotateValue + event.angle
+          }
         })
         .onActionEnd(() => {
           this.rotateValue = this.angle
diff --git a/zh-cn/application-dev/reference/arkui-ts/ts-basic-gestures-swipegesture.md b/zh-cn/application-dev/reference/arkui-ts/ts-basic-gestures-swipegesture.md
index 6a2daf6dff7daad928caefbb6e2ed4aa32f3c5a9..4cb4716503ce9e2bbe2a121c6bd59fc3661bc044 100644
--- a/zh-cn/application-dev/reference/arkui-ts/ts-basic-gestures-swipegesture.md
+++ b/zh-cn/application-dev/reference/arkui-ts/ts-basic-gestures-swipegesture.md
@@ -59,9 +59,11 @@ struct SwipeGestureExample {
       // 单指竖直方向滑动时触发该事件
       .gesture(
       SwipeGesture({ direction: SwipeDirection.Vertical })
-        .onAction((event: GestureEvent) => {
-          this.speed = event.speed
-          this.rotateAngle = event.angle
+        .onAction((event?: GestureEvent) => {
+          if (event) {
+            this.speed = event.speed
+            this.rotateAngle = event.angle
+          }
         })
       )
     }.width('100%')
diff --git a/zh-cn/application-dev/reference/arkui-ts/ts-basic-gestures-tapgesture.md b/zh-cn/application-dev/reference/arkui-ts/ts-basic-gestures-tapgesture.md
index e8752dc730b6322f37664478b457bbc7291c5f59..da9cfa9b9c6962405bc49348e4b5e41096dfd938 100644
--- a/zh-cn/application-dev/reference/arkui-ts/ts-basic-gestures-tapgesture.md
+++ b/zh-cn/application-dev/reference/arkui-ts/ts-basic-gestures-tapgesture.md
@@ -41,8 +41,10 @@ struct TapGestureExample {
       Text('Click twice').fontSize(28)
         .gesture(
         TapGesture({ count: 2 })
-          .onAction((event: GestureEvent) => {
-            this.value = JSON.stringify(event.fingerList[0])
+          .onAction((event?: GestureEvent) => {
+            if (event) {
+              this.value = JSON.stringify(event.fingerList[0])
+            }
           })
         )
       Text(this.value)
diff --git a/zh-cn/application-dev/reference/arkui-ts/ts-canvasrenderingcontext2d.md b/zh-cn/application-dev/reference/arkui-ts/ts-canvasrenderingcontext2d.md
index 727cd35021db9a7a85885a781b386b50d02eaafa..eee07a89a0ebdcf9337c2d9d237594becb3a4ae3 100644
--- a/zh-cn/application-dev/reference/arkui-ts/ts-canvasrenderingcontext2d.md
+++ b/zh-cn/application-dev/reference/arkui-ts/ts-canvasrenderingcontext2d.md
@@ -1425,8 +1425,10 @@ createPattern(image: ImageBitmap, repetition: string | null): CanvasPattern | nu
           .height('100%')
           .backgroundColor('#ffff00')
           .onReady(() =>{
-            var pattern = this.context.createPattern(this.img, 'repeat')
-            this.context.fillStyle = pattern
+            let pattern = this.context.createPattern(this.img, 'repeat')
+            if (pattern) {
+              this.context.fillStyle = pattern
+            }
             this.context.fillRect(0, 0, 200, 200)
           })
       }
@@ -2423,7 +2425,7 @@ getImageData(sx: number, sy: number, sw: number, sh: number): ImageData
           .backgroundColor('#ffff00')
           .onReady(() =>{
             this.context.drawImage(this.img,0,0,130,130)
-            var imagedata = this.context.getImageData(50,50,130,130)
+            let imagedata = this.context.getImageData(50,50,130,130)
             this.context.putImageData(imagedata,150,150)
           })
       }
@@ -2475,8 +2477,8 @@ putImageData(imageData: ImageData, dx: number | string, dy: number | string, dir
           .height('100%')
           .backgroundColor('#ffff00')
           .onReady(() =>{
-            var imageData = this.context.createImageData(100, 100)
-            for (var i = 0; i < imageData.data.length; i += 4) {
+            let imageData = this.context.createImageData(100, 100)
+            for (let i = 0; i < imageData.data.length; i += 4) {
               imageData.data[i + 0] = 255
               imageData.data[i + 1] = 0
               imageData.data[i + 2] = 255
@@ -2628,15 +2630,15 @@ transferFromImageBitmap(bitmap: ImageBitmap): void
           .height('100%')
           .backgroundColor('#ffff00')
           .onReady(() =>{
-            var imageData = this.offContext.createImageData(100, 100)
-            for (var i = 0; i < imageData.data.length; i += 4) {
+            let imageData = this.offContext.createImageData(100, 100)
+            for (let i = 0; i < imageData.data.length; i += 4) {
               imageData.data[i + 0] = 255
               imageData.data[i + 1] = 0
               imageData.data[i + 2] = 255
               imageData.data[i + 3] = 255
             }
             this.offContext.putImageData(imageData, 10, 10)
-            var image = this.offContext.transferToImageBitmap()
+            let image = this.offContext.transferToImageBitmap()
             this.context.transferFromImageBitmap(image)
           })
       }
@@ -2686,7 +2688,7 @@ toDataURL(type?: string, quality?: number): string
           .height('100%')
           .backgroundColor('#ffff00')
           .onReady(() =>{
-            var dataURL = this.context.toDataURL()
+            let dataURL = this.context.toDataURL()
           })
       }
       .width('100%')
@@ -2810,7 +2812,7 @@ createLinearGradient(x0: number, y0: number, x1: number, y1: number): void
           .height('100%')
           .backgroundColor('#ffff00')
           .onReady(() =>{
-            var grad = this.context.createLinearGradient(50,0, 300,100)
+            let grad = this.context.createLinearGradient(50,0, 300,100)
             grad.addColorStop(0.0, '#ff0000')
             grad.addColorStop(0.5, '#ffffff')
             grad.addColorStop(1.0, '#00ff00')
@@ -2863,7 +2865,7 @@ createRadialGradient(x0: number, y0: number, r0: number, x1: number, y1: number,
           .height('100%')
           .backgroundColor('#ffff00')
           .onReady(() =>{
-            var grad = this.context.createRadialGradient(200,200,50, 200,200,200)
+            let grad = this.context.createRadialGradient(200,200,50, 200,200,200)
             grad.addColorStop(0.0, '#ff0000')
             grad.addColorStop(0.5, '#ffffff')
             grad.addColorStop(1.0, '#00ff00')
@@ -2910,7 +2912,7 @@ struct CanvasExample {
         .height('100%')
         .backgroundColor('#ffffff')
         .onReady(() => {
-          var grad = this.context.createConicGradient(0, 50, 80)
+          let grad = this.context.createConicGradient(0, 50, 80)
           grad.addColorStop(0.0, '#ff0000')
           grad.addColorStop(0.5, '#ffffff')
           grad.addColorStop(1.0, '#00ff00')
diff --git a/zh-cn/application-dev/reference/arkui-ts/ts-combined-gestures.md b/zh-cn/application-dev/reference/arkui-ts/ts-combined-gestures.md
index d1355645ece52650e091b68c4572ab20cc0bc6a4..0fa82890660b8f35dcc334a003a34b256c989c5d 100644
--- a/zh-cn/application-dev/reference/arkui-ts/ts-combined-gestures.md
+++ b/zh-cn/application-dev/reference/arkui-ts/ts-combined-gestures.md
@@ -21,7 +21,7 @@ GestureGroup(mode: GestureMode, ...gesture: GestureType[])
 
 | 名称        | 描述                                       |
 | --------- | ---------------------------------------- |
-| Sequence  | 顺序识别，按照手势的注册顺序识别手势，直到所有手势识别成功。当有一个手势识别失败时，所有手势识别失败。 |
+| Sequence  | 顺序识别，按照手势的注册顺序识别手势，直到所有手势识别成功。当有一个手势识别失败时，所有手势识别失败。<br>顺序识别手势组仅有最后一个手势可以响应onActionEnd。 |
 | Parallel  | 并发识别，注册的手势同时识别，直到所有手势识别结束，手势识别互相不影响。     |
 | Exclusive | 互斥识别，注册的手势同时识别，若有一个手势识别成功，则结束手势识别。       |
 
@@ -62,23 +62,22 @@ struct GestureGroupExample {
       // 以下组合手势为顺序识别，当长按手势事件未正常触发时则不会触发拖动手势事件
     GestureGroup(GestureMode.Sequence,
     LongPressGesture({ repeat: true })
-      .onAction((event: GestureEvent) => {
-        if (event.repeat) {
+      .onAction((event?: GestureEvent) => {
+        if (event && event.repeat) {
           this.count++
         }
         console.info('LongPress onAction')
-      })
-      .onActionEnd(() => {
-        console.info('LongPress end')
       }),
     PanGesture()
       .onActionStart(() => {
         this.borderStyles = BorderStyle.Dashed
         console.info('pan start')
       })
-      .onActionUpdate((event: GestureEvent) => {
-        this.offsetX = this.positionX + event.offsetX
-        this.offsetY = this.positionY + event.offsetY
+      .onActionUpdate((event?: GestureEvent) => {
+        if (event) {
+          this.offsetX = this.positionX + event.offsetX
+          this.offsetY = this.positionY + event.offsetY
+        }
         console.info('pan update')
       })
       .onActionEnd(() => {
diff --git a/zh-cn/application-dev/reference/arkui-ts/ts-components-canvas-canvasgradient.md b/zh-cn/application-dev/reference/arkui-ts/ts-components-canvas-canvasgradient.md
index a817a3386b28041f6637570e58cbc34493f8ffe3..70deb7b480ea9a80216b384d49dba5123f35921a 100644
--- a/zh-cn/application-dev/reference/arkui-ts/ts-components-canvas-canvasgradient.md
+++ b/zh-cn/application-dev/reference/arkui-ts/ts-components-canvas-canvasgradient.md
@@ -42,7 +42,7 @@ struct Page45 {
         .height('100%')
         .backgroundColor('#ffff00')
         .onReady(() => {
-          var grad = this.context.createLinearGradient(50, 0, 300, 100)
+          let grad = this.context.createLinearGradient(50, 0, 300, 100)
           grad.addColorStop(0.0, '#ff0000')
           grad.addColorStop(0.5, '#ffffff')
           grad.addColorStop(1.0, '#00ff00')
diff --git a/zh-cn/application-dev/reference/arkui-ts/ts-components-canvas-canvaspattern.md b/zh-cn/application-dev/reference/arkui-ts/ts-components-canvas-canvaspattern.md
index 5563ac5a2a58a0d56efa788346642b8651c76677..ddffc92dfaa95d48d7b15517c19235175ef3a597 100644
--- a/zh-cn/application-dev/reference/arkui-ts/ts-components-canvas-canvaspattern.md
+++ b/zh-cn/application-dev/reference/arkui-ts/ts-components-canvas-canvaspattern.md
@@ -33,7 +33,7 @@ struct CanvasPatternPage {
   private context: CanvasRenderingContext2D = new CanvasRenderingContext2D(this.settings)
   private matrix: Matrix2D = new Matrix2D()
   private img: ImageBitmap = new ImageBitmap("common/pattern.jpg")
-  private pattern : CanvasPattern
+  private pattern : CanvasPattern | null = null
 
   build() {
       Column() {
@@ -43,7 +43,9 @@ struct CanvasPatternPage {
             this.matrix.scaleX = 1
             this.matrix.translateX = 50
             this.matrix.translateY = 200
-            this.pattern.setTransform(this.matrix)
+            if (this.pattern) {
+              this.pattern.setTransform(this.matrix)
+            }
             this.context.fillRect(0, 0, 480, 720)
           })
           .width("45%")
@@ -54,12 +56,14 @@ struct CanvasPatternPage {
           .backgroundColor('#FFFFFF')
           .onReady(() => {
             this.pattern = this.context.createPattern(this.img, 'no-repeat')
-            this.context.fillStyle = this.pattern
             this.matrix.scaleY = 0.5
             this.matrix.scaleX = 0.5
             this.matrix.translateX = 50
             this.matrix.translateY = 50
-            this.pattern.setTransform(this.matrix)
+            if (this.pattern) {
+              this.context.fillStyle = this.pattern
+              this.pattern.setTransform(this.matrix)
+            }
             this.context.fillRect(0, 0, 480, 720)
           })
       }
diff --git a/zh-cn/application-dev/reference/arkui-ts/ts-components-canvas-imagedata.md b/zh-cn/application-dev/reference/arkui-ts/ts-components-canvas-imagedata.md
index 8f7b8da860a909cbbe3730fb8fb47bb393f996af..2bb1c7318cb78f600cb095e93febff58f209cc35 100644
--- a/zh-cn/application-dev/reference/arkui-ts/ts-components-canvas-imagedata.md
+++ b/zh-cn/application-dev/reference/arkui-ts/ts-components-canvas-imagedata.md
@@ -39,7 +39,7 @@ ImageData对象可以存储canvas渲染的像素数据。
           .backgroundColor('#ffff00')
           .onReady(() =>{
             this.context.drawImage(this.img,0,0,130,130)
-            var imagedata = this.context.getImageData(50,50,130,130)
+            let imagedata = this.context.getImageData(50,50,130,130)
             this.context.putImageData(imagedata,150,150)
           })
       }
diff --git a/zh-cn/application-dev/reference/arkui-ts/ts-components-canvas-matrix2d.md b/zh-cn/application-dev/reference/arkui-ts/ts-components-canvas-matrix2d.md
index 0a2d7a30440927b02d19cb786ed3eb74748efcce..f398b2a53d81576a12a6703713666878f55b5346 100644
--- a/zh-cn/application-dev/reference/arkui-ts/ts-components-canvas-matrix2d.md
+++ b/zh-cn/application-dev/reference/arkui-ts/ts-components-canvas-matrix2d.md
@@ -36,7 +36,7 @@ Matrix2D()
 struct Matrix2DScaleX {
   @State message: string = 'Matrix2D ScaleX'
 
-  printMatrix(title, matrix) {
+  printMatrix(title: string, matrix: Matrix2D) {
     console.log(title)
     console.log("Matrix [scaleX = " + matrix.scaleX + ", scaleY = " + matrix.scaleY +
                 ", rotateX = " + matrix.rotateX + ", rotateY = " + matrix.rotateY +
@@ -50,7 +50,7 @@ struct Matrix2DScaleX {
           .fontWeight(FontWeight.Bold)
         Button("Set scaleX")
           .onClick(() => {
-            var matrix : Matrix2D = new Matrix2D()
+            let matrix : Matrix2D = new Matrix2D()
             matrix.scaleX = 1
             this.printMatrix(this.message, matrix)
           })
@@ -71,7 +71,7 @@ struct Matrix2DScaleX {
 struct Matrix2DScaleY {
   @State message: string = 'Matrix2D ScaleY'
 
-  printMatrix(title, matrix) {
+  printMatrix(title: string, matrix: Matrix2D) {
     console.log(title)
     console.log("Matrix [scaleX = " + matrix.scaleX + ", scaleY = " + matrix.scaleY +
                 ", rotateX = " + matrix.rotateX + ", rotateY = " + matrix.rotateY +
@@ -85,7 +85,7 @@ struct Matrix2DScaleY {
           .fontWeight(FontWeight.Bold)
         Button("Set scaleY")
           .onClick(() => {
-            var matrix : Matrix2D = new Matrix2D()
+            let matrix : Matrix2D = new Matrix2D()
             matrix.scaleY = 1
             this.printMatrix(this.message, matrix)
           })
@@ -106,7 +106,7 @@ struct Matrix2DScaleY {
 struct Matrix2DRotateX {
   @State message: string = 'Matrix2D RotateX'
 
-  printMatrix(title, matrix) {
+  printMatrix(title: string, matrix: Matrix2D) {
     console.log(title)
     console.log("Matrix [scaleX = " + matrix.scaleX + ", scaleY = " + matrix.scaleY +
                 ", rotateX = " + matrix.rotateX + ", rotateY = " + matrix.rotateY +
@@ -120,7 +120,7 @@ struct Matrix2DRotateX {
           .fontWeight(FontWeight.Bold)
         Button("Set rotateX")
           .onClick(() => {
-            var matrix : Matrix2D = new Matrix2D()
+            let matrix : Matrix2D = new Matrix2D()
             matrix.rotateX = Math.sin(45 / Math.PI)
             this.printMatrix(this.message, matrix)
           })
@@ -141,7 +141,7 @@ struct Matrix2DRotateX {
 struct Matrix2DRotateY {
   @State message: string = 'Matrix2D RotateY'
 
-  printMatrix(title, matrix) {
+  printMatrix(title: string, matrix: Matrix2D) {
     console.log(title)
     console.log("Matrix [scaleX = " + matrix.scaleX + ", scaleY = " + matrix.scaleY +
                 ", rotateX = " + matrix.rotateX + ", rotateY = " + matrix.rotateY +
@@ -155,7 +155,7 @@ struct Matrix2DRotateY {
           .fontWeight(FontWeight.Bold)
         Button("Set rotateY")
           .onClick(() => {
-            var matrix : Matrix2D = new Matrix2D()
+            let matrix : Matrix2D = new Matrix2D()
             matrix.rotateY = Math.cos(45 / Math.PI)
             this.printMatrix(this.message, matrix)
           })
@@ -176,7 +176,7 @@ struct Matrix2DRotateY {
 struct Matrix2DTranslateX {
   @State message: string = 'Matrix2D TranslateX'
 
-  printMatrix(title, matrix) {
+  printMatrix(title: string, matrix: Matrix2D) {
     console.log(title)
     console.log("Matrix [scaleX = " + matrix.scaleX + ", scaleY = " + matrix.scaleY +
                 ", rotateX = " + matrix.rotateX + ", rotateY = " + matrix.rotateY +
@@ -190,7 +190,7 @@ struct Matrix2DTranslateX {
           .fontWeight(FontWeight.Bold)
         Button("Set translateX")
           .onClick(() => {
-            var matrix : Matrix2D = new Matrix2D()
+            let matrix : Matrix2D = new Matrix2D()
             matrix.translateX = 10
             this.printMatrix(this.message, matrix)
           })
@@ -211,7 +211,7 @@ struct Matrix2DTranslateX {
 struct Matrix2DTranslateY {
   @State message: string = 'Matrix2D TranslateY'
 
-  printMatrix(title, matrix) {
+  printMatrix(title: string, matrix: Matrix2D) {
     console.log(title)
     console.log("Matrix [scaleX = " + matrix.scaleX + ", scaleY = " + matrix.scaleY +
                 ", rotateX = " + matrix.rotateX + ", rotateY = " + matrix.rotateY +
@@ -225,7 +225,7 @@ struct Matrix2DTranslateY {
           .fontWeight(FontWeight.Bold)
         Button("Set translateY")
           .onClick(() => {
-            var matrix : Matrix2D = new Matrix2D()
+            let matrix : Matrix2D = new Matrix2D()
             matrix.translateY = 10
             this.printMatrix(this.message, matrix)
           })
@@ -262,7 +262,7 @@ identity(): Matrix2D
 struct Matrix2DIdentity {
   @State message: string = 'Matrix2D Identity'
 
-  printMatrix(title, matrix) {
+  printMatrix(title: string, matrix: Matrix2D) {
     console.log(title)
     console.log("Matrix [scaleX = " + matrix.scaleX + ", scaleY = " + matrix.scaleY +
                 ", rotateX = " + matrix.rotateX + ", rotateY = " + matrix.rotateY +
@@ -276,7 +276,7 @@ struct Matrix2DIdentity {
           .fontWeight(FontWeight.Bold)
         Button("matrix identity")
           .onClick(() => {
-            var matrix : Matrix2D = new Matrix2D()
+            let matrix : Matrix2D = new Matrix2D()
             matrix = matrix.identity()
             this.printMatrix(this.message, matrix)
           })
@@ -311,7 +311,7 @@ invert(): Matrix2D
 struct Matrix2DInvert {
   @State message: string = 'Matrix2D Invert'
 
-  printMatrix(title, matrix) {
+  printMatrix(title: string, matrix: Matrix2D) {
     console.log(title)
     console.log("Matrix [scaleX = " + matrix.scaleX + ", scaleY = " + matrix.scaleY +
                 ", rotateX = " + matrix.rotateX + ", rotateY = " + matrix.rotateY +
@@ -325,7 +325,7 @@ struct Matrix2DInvert {
           .fontWeight(FontWeight.Bold)
         Button("matrix invert")
           .onClick(() => {
-            var matrix : Matrix2D = new Matrix2D()
+            let matrix : Matrix2D = new Matrix2D()
             matrix.scaleX = 2
             matrix.scaleY = 1
             matrix.rotateX = 0
@@ -374,7 +374,7 @@ multiply(other?: Matrix2D): Matrix2D
 struct Matrix2DMultiply {
   @State message: string = 'Matrix2D Multiply'
 
-  printMatrix(title, matrix) {
+  printMatrix(title: string, matrix: Matrix2D) {
     console.log(title)
     console.log("Matrix [scaleX = " + matrix.scaleX + ", scaleY = " + matrix.scaleY +
                 ", rotateX = " + matrix.rotateX + ", rotateY = " + matrix.rotateY +
@@ -388,14 +388,14 @@ struct Matrix2DMultiply {
           .fontWeight(FontWeight.Bold)
         Button("matrix multiply")
           .onClick(() => {
-            var matrix : Matrix2D = new Matrix2D()
+            let matrix : Matrix2D = new Matrix2D()
             matrix.scaleX = 1
             matrix.scaleY = 1
             matrix.rotateX = 0
             matrix.rotateY = 0
             matrix.translateX = 0
             matrix.translateY = 0
-            var other: Matrix2D = new Matrix2D()
+            let other: Matrix2D = new Matrix2D()
             other.scaleX = 2
             other.scaleY = 2
             other.rotateX = 0
@@ -445,7 +445,7 @@ rotate(rx?: number, ry?: number): Matrix2D
 struct Matrix2DRotate {
   @State message: string = 'Matrix2D Rotate'
 
-  printMatrix(title, matrix) {
+  printMatrix(title: string, matrix: Matrix2D) {
     console.log(title)
     console.log("Matrix [scaleX = " + matrix.scaleX + ", scaleY = " + matrix.scaleY +
                 ", rotateX = " + matrix.rotateX + ", rotateY = " + matrix.rotateY +
@@ -459,7 +459,7 @@ struct Matrix2DRotate {
           .fontWeight(FontWeight.Bold)
         Button("matrix rotate")
           .onClick(() => {
-            var matrix : Matrix2D = new Matrix2D()
+            let matrix : Matrix2D = new Matrix2D()
             matrix.scaleX = 1
             matrix.scaleY = 1
             matrix.rotateX = 0
@@ -508,7 +508,7 @@ rotate(degree: number, rx?: number, ry?: number): Matrix2D
 struct Matrix2DRotate {
   @State message: string = 'Matrix2D Rotate'
 
-  printMatrix(title, matrix) {
+  printMatrix(title: string, matrix: Matrix2D) {
     console.log(title)
     console.log("Matrix [scaleX = " + matrix.scaleX + ", scaleY = " + matrix.scaleY +
                 ", rotateX = " + matrix.rotateX + ", rotateY = " + matrix.rotateY +
@@ -522,7 +522,7 @@ struct Matrix2DRotate {
           .fontWeight(FontWeight.Bold)
         Button("matrix rotate")
           .onClick(() => {
-            var matrix : Matrix2D = new Matrix2D()
+            let matrix : Matrix2D = new Matrix2D()
             matrix.scaleX = 1
             matrix.scaleY = 1
             matrix.rotateX = 0
@@ -570,7 +570,7 @@ translate(tx?: number, ty?: number): Matrix2D
 struct Matrix2DTranslate {
   @State message: string = 'Matrix2D Translate'
 
-  printMatrix(title, matrix) {
+  printMatrix(title: string, matrix: Matrix2D) {
     console.log(title)
     console.log("Matrix [scaleX = " + matrix.scaleX + ", scaleY = " + matrix.scaleY +
                 ", rotateX = " + matrix.rotateX + ", rotateY = " + matrix.rotateY +
@@ -584,7 +584,7 @@ struct Matrix2DTranslate {
           .fontWeight(FontWeight.Bold)
         Button("matrix translate")
           .onClick(() => {
-            var matrix : Matrix2D = new Matrix2D()
+            let matrix : Matrix2D = new Matrix2D()
             matrix.scaleX = 1
             matrix.scaleY = 1
             matrix.rotateX = 0
@@ -632,7 +632,7 @@ scale(sx?: number, sy?: number): Matrix2D
 struct Matrix2DScale {
   @State message: string = 'Matrix2D Scale'
 
-  printMatrix(title, matrix) {
+  printMatrix(title: string, matrix: Matrix2D) {
     console.log(title)
     console.log("Matrix [scaleX = " + matrix.scaleX + ", scaleY = " + matrix.scaleY +
                 ", rotateX = " + matrix.rotateX + ", rotateY = " + matrix.rotateY +
@@ -646,7 +646,7 @@ struct Matrix2DScale {
           .fontWeight(FontWeight.Bold)
         Button("matrix scale")
           .onClick(() => {
-            var matrix : Matrix2D = new Matrix2D()
+            let matrix : Matrix2D = new Matrix2D()
             matrix.scaleX = 1
             matrix.scaleY = 1
             matrix.rotateX = 0
diff --git a/zh-cn/application-dev/reference/arkui-ts/ts-components-offscreencanvas.md b/zh-cn/application-dev/reference/arkui-ts/ts-components-offscreencanvas.md
index dc650cfb4385a95146b5df30a9ba3fcb7defc482..4edfdbcc57608fc2036b6972b74a62a5f6b05255 100644
--- a/zh-cn/application-dev/reference/arkui-ts/ts-components-offscreencanvas.md
+++ b/zh-cn/application-dev/reference/arkui-ts/ts-components-offscreencanvas.md
@@ -55,10 +55,10 @@ struct OffscreenCanvasPage {
           .borderColor('#00FF00')
           .backgroundColor('#FFFFFF')
           .onReady(() => {
-            var offContext = this.offCanvas.getContext("2d", this.settings)
+            let offContext = this.offCanvas.getContext("2d", this.settings)
             offContext.fillStyle = '#CDCDCD'
             offContext.fillRect(0, 0, this.offCanvas.width, 150)
-            var image = this.offCanvas.transferToImageBitmap()
+            let image = this.offCanvas.transferToImageBitmap()
             this.context.setTransform(1, 0, 0, 1, 50, 200)
             this.context.transferFromImageBitmap(image)
           })
@@ -91,10 +91,10 @@ struct OffscreenCanvasPage {
           .borderColor('#00FF00')
           .backgroundColor('#FFFFFF')
           .onReady(() => {
-            var offContext = this.offCanvas.getContext("2d", this.settings)
+            let offContext = this.offCanvas.getContext("2d", this.settings)
             offContext.fillStyle = '#CDCDCD'
             offContext.fillRect(0, 0, 100, this.offCanvas.height)
-            var image = this.offCanvas.transferToImageBitmap()
+            let image = this.offCanvas.transferToImageBitmap()
             this.context.setTransform(1, 0, 0, 1, 50, 200)
             this.context.transferFromImageBitmap(image)
           })
@@ -142,13 +142,13 @@ struct OffscreenCanvasPage {
         .borderColor('#00FF00')
         .backgroundColor('#FFFFFF')
         .onReady(() => {
-          var offContext = this.offCanvas.getContext("2d", this.settings)
+          let offContext = this.offCanvas.getContext("2d", this.settings)
           offContext.fillStyle = '#CDCDCD'
           offContext.fillRect(0, 0, 300, 500)
           offContext.fillStyle = '#000000'
           offContext.font = '70px serif bold'
           offContext.fillText("Offscreen : Hello World!", 20, 60)
-          var image = this.offCanvas.transferToImageBitmap()
+          let image = this.offCanvas.transferToImageBitmap()
           this.context.transferFromImageBitmap(image)
         })
     }
@@ -197,7 +197,7 @@ struct OffscreenCanvasExamplePage {
           .height('100%')
           .backgroundColor('#FFFFFF')
           .onReady(() => {
-            var offContext = this.offscreenCanvas.getContext("2d", this.settings)
+            let offContext = this.offscreenCanvas.getContext("2d", this.settings)
             offContext.font = '70px sans-serif'
             offContext.fillText("Offscreen : Hello World!", 20, 60)
             offContext.fillStyle = "#0000ff"
@@ -217,7 +217,7 @@ struct OffscreenCanvasExamplePage {
             offContext.stroke()
             offContext.fillStyle = '#FF00FF'
             offContext.fillRect(100, 100, 60, 60)
-            var imageData = this.offscreenCanvas.transferToImageBitmap()
+            let imageData = this.offscreenCanvas.transferToImageBitmap()
             this.context.transferFromImageBitmap(imageData)
           })
       }.width('100%').height('100%')
diff --git a/zh-cn/application-dev/reference/arkui-ts/ts-container-alphabet-indexer.md b/zh-cn/application-dev/reference/arkui-ts/ts-container-alphabet-indexer.md
index 01aeebc2d138ffebf1dd3303f086e69785724d08..b0027e03792b03c16cfddf99a951598d4c5d099c 100644
--- a/zh-cn/application-dev/reference/arkui-ts/ts-container-alphabet-indexer.md
+++ b/zh-cn/application-dev/reference/arkui-ts/ts-container-alphabet-indexer.md
@@ -86,7 +86,7 @@ struct AlphabetIndexerSample {
     Stack({ alignContent: Alignment.Start }) {
       Row() {
         List({ space: 20, initialIndex: 0 }) {
-          ForEach(this.arrayA, (item) => {
+          ForEach(this.arrayA, (item: string) => {
             ListItem() {
               Text(item)
                 .width('80%')
@@ -94,9 +94,9 @@ struct AlphabetIndexerSample {
                 .fontSize(30)
                 .textAlign(TextAlign.Center)
             }.editable(true)
-          }, item => item)
+          }, (item: string) => item)
 
-          ForEach(this.arrayB, (item) => {
+          ForEach(this.arrayB, (item: string) => {
             ListItem() {
               Text(item)
                 .width('80%')
@@ -104,9 +104,9 @@ struct AlphabetIndexerSample {
                 .fontSize(30)
                 .textAlign(TextAlign.Center)
             }.editable(true)
-          }, item => item)
+          }, (item: string) => item)
 
-          ForEach(this.arrayC, (item) => {
+          ForEach(this.arrayC, (item: string) => {
             ListItem() {
               Text(item)
                 .width('80%')
@@ -114,9 +114,9 @@ struct AlphabetIndexerSample {
                 .fontSize(30)
                 .textAlign(TextAlign.Center)
             }.editable(true)
-          }, item => item)
+          }, (item: string) => item)
 
-          ForEach(this.arrayL, (item) => {
+          ForEach(this.arrayL, (item: string) => {
             ListItem() {
               Text(item)
                 .width('80%')
@@ -124,7 +124,7 @@ struct AlphabetIndexerSample {
                 .fontSize(30)
                 .textAlign(TextAlign.Center)
             }.editable(true)
-          }, item => item)
+          }, (item: string) => item)
         }
         .width('50%')
         .height('100%')
diff --git a/zh-cn/application-dev/reference/errorcodes/errorcode-hiappevent.md b/zh-cn/application-dev/reference/errorcodes/errorcode-hiappevent.md
index 97e644f8da2ae0d44132523200f568955359182d..c8c3ed5d6f5ce7ac2e807e3b18c2e2ffca6fd795 100644
--- a/zh-cn/application-dev/reference/errorcodes/errorcode-hiappevent.md
+++ b/zh-cn/application-dev/reference/errorcodes/errorcode-hiappevent.md
@@ -22,7 +22,9 @@ Function is disabled.
 
 调用配置接口开启打点功能。
 
-   ```js
+   ```ts
+   import hiAppEvent from '@ohos.hiviewdfx.hiAppEvent';
+
    hiAppEvent.configure({
        disable: false
    });
@@ -185,7 +187,7 @@ Invalid filtering event domain.
 
 - 事件领域名称只包含数字、小写字母、下划线字符。
 - 事件领域名称以小写字母开头，不以下划线结尾。
-- 事件领域名称非空且长度不超过32个字符。
+- 事件领域名称非空且长度不超过16个字符。
 
 **处理步骤**
 
diff --git a/zh-cn/application-dev/reference/native-apis/Readme-CN.md b/zh-cn/application-dev/reference/native-apis/Readme-CN.md
index dfc4354726cbe3b25cb861b1a3c851132e166791..d8a9f5b977832969fbf4d99cb1eb7ec586e3e2ab 100644
--- a/zh-cn/application-dev/reference/native-apis/Readme-CN.md
+++ b/zh-cn/application-dev/reference/native-apis/Readme-CN.md
@@ -114,8 +114,8 @@
   - [OH_NativeXComponent_TouchPoint](_o_h___native_x_component___touch_point.md)
   - [OHExtDataHandle](_o_h_ext_data_handle.md)
   - [OHHDRMetaData](_o_h_h_d_r_meta_data.md)
-  - [OHOS::Media::OhosImageComponent](_o_h_o_s_1_1_media_1_1_ohos_image_component.md)
-  - [OHOS::Media::OhosImageRect](_o_h_o_s_1_1_media_1_1_ohos_image_rect.md)
+  - [OhosImageComponent](_o_h_o_s_1_1_media_1_1_ohos_image_component.md)
+  - [OhosImageRect](_o_h_o_s_1_1_media_1_1_ohos_image_rect.md)
   - [OHOS::Media::OhosPixelMapInfo](_o_h_o_s_1_1_media_1_1_ohos_pixel_map_info.md)
   - [OhosImageDecodingOps](_ohos_image_decoding_ops.md)
   - [OhosImageReceiverInfo](_ohos_image_receiver_info.md)
diff --git a/zh-cn/application-dev/reference/native-apis/_o_h_o_s_1_1_media_1_1_ohos_image_component.md b/zh-cn/application-dev/reference/native-apis/_o_h_o_s_1_1_media_1_1_ohos_image_component.md
index c044cfb1c295ef2f0daf1c50ab1479ed6b208982..2911c12ea78ef25258b5a6adb056ccac87a39118 100644
--- a/zh-cn/application-dev/reference/native-apis/_o_h_o_s_1_1_media_1_1_ohos_image_component.md
+++ b/zh-cn/application-dev/reference/native-apis/_o_h_o_s_1_1_media_1_1_ohos_image_component.md
@@ -1,4 +1,4 @@
-# OHOS::Media::OhosImageComponent
+# OhosImageComponent
 
 
 ## 概述
@@ -34,7 +34,7 @@
 ### byteBuffer
 
 ```
-uint8_t* OHOS::Media::OhosImageComponent::byteBuffer
+uint8_t* OhosImageComponent::byteBuffer
 ```
 
 **描述：**
@@ -45,7 +45,7 @@ uint8_t* OHOS::Media::OhosImageComponent::byteBuffer
 ### componentType
 
 ```
-int32_t OHOS::Media::OhosImageComponent::componentType
+int32_t OhosImageComponent::componentType
 ```
 
 **描述：**
@@ -56,7 +56,7 @@ int32_t OHOS::Media::OhosImageComponent::componentType
 ### pixelStride
 
 ```
-int32_t OHOS::Media::OhosImageComponent::pixelStride
+int32_t OhosImageComponent::pixelStride
 ```
 
 **描述：**
@@ -67,7 +67,7 @@ int32_t OHOS::Media::OhosImageComponent::pixelStride
 ### rowStride
 
 ```
-int32_t OHOS::Media::OhosImageComponent::rowStride
+int32_t OhosImageComponent::rowStride
 ```
 
 **描述：**
@@ -78,7 +78,7 @@ int32_t OHOS::Media::OhosImageComponent::rowStride
 ### size
 
 ```
-size_t OHOS::Media::OhosImageComponent::size
+size_t OhosImageComponent::size
 ```
 
 **描述：**
diff --git a/zh-cn/application-dev/reference/native-apis/_o_h_o_s_1_1_media_1_1_ohos_image_rect.md b/zh-cn/application-dev/reference/native-apis/_o_h_o_s_1_1_media_1_1_ohos_image_rect.md
index cca47ccfd9bd0b2be716d96096dc4e5c314e20ac..7c28555ac4347880f2c2674c28c26c142b05f141 100644
--- a/zh-cn/application-dev/reference/native-apis/_o_h_o_s_1_1_media_1_1_ohos_image_rect.md
+++ b/zh-cn/application-dev/reference/native-apis/_o_h_o_s_1_1_media_1_1_ohos_image_rect.md
@@ -1,4 +1,4 @@
-# OHOS::Media::OhosImageRect
+# OhosImageRect
 
 
 ## 概述
@@ -33,7 +33,7 @@
 ### height
 
 ```
-int32_t OHOS::Media::OhosImageRect::height
+int32_t OhosImageRect::height
 ```
 
 **描述：**
@@ -44,7 +44,7 @@ int32_t OHOS::Media::OhosImageRect::height
 ### width
 
 ```
-int32_t OHOS::Media::OhosImageRect::width
+int32_t OhosImageRect::width
 ```
 
 **描述：**
@@ -55,7 +55,7 @@ int32_t OHOS::Media::OhosImageRect::width
 ### x
 
 ```
-int32_t OHOS::Media::OhosImageRect::x
+int32_t OhosImageRect::x
 ```
 
 **描述：**
@@ -66,7 +66,7 @@ int32_t OHOS::Media::OhosImageRect::x
 ### y
 
 ```
-int32_t OHOS::Media::OhosImageRect::y
+int32_t OhosImageRect::y
 ```
 
 **描述：**
diff --git a/zh-cn/application-dev/reference/native-apis/image.md b/zh-cn/application-dev/reference/native-apis/image.md
index 41d2433ae555b38bea29c5bfa00aa76864a93748..659100c0ac7fe4205a2c74290b41b397fc0d0d69 100644
--- a/zh-cn/application-dev/reference/native-apis/image.md
+++ b/zh-cn/application-dev/reference/native-apis/image.md
@@ -31,8 +31,8 @@
 
 | 名称 | 描述 | 
 | -------- | -------- |
-| [OHOS::Media::OhosImageRect](_o_h_o_s_1_1_media_1_1_ohos_image_rect.md) | 定义图像矩形信息。 | 
-| [OHOS::Media::OhosImageComponent](_o_h_o_s_1_1_media_1_1_ohos_image_component.md) | 定义图像组成信息。 | 
+| [OhosImageRect](_o_h_o_s_1_1_media_1_1_ohos_image_rect.md) | 定义图像矩形信息。 | 
+| [OhosImageComponent](_o_h_o_s_1_1_media_1_1_ohos_image_component.md) | 定义图像组成信息。 | 
 | [OhosImageSize](_ohos_image_size.md) | 定义图像大小。 | 
 | [OhosPixelMapInfos](_ohos_pixel_map_infos.md) | 用于定义 pixel map 的相关信息。 | 
 | [OhosPixelMapCreateOps](_ohos_pixel_map_create_ops.md) | 用于定义创建 pixel map 设置选项的相关信息。 | 
@@ -54,7 +54,7 @@
 
 | 名称 | 描述 | 
 | -------- | -------- |
-| [OHOS::Media::ImageNative](#imagenative) | 为图像接口定义native层图像对象。 | 
+| [ImageNative](#imagenative) | 为图像接口定义native层图像对象。 | 
 | [NativePixelMap](#nativepixelmap) | 定义native层pixelmap数据类型名称。 | 
 | [OhosPixelMapInfos](#ohospixelmapinfos) | 用于定义 pixel map 的相关信息。 | 
 | [ImageReceiverNative](#imagereceivernative) | 用于定义ImageReceiverNative数据类型名称。 | 
@@ -71,8 +71,8 @@
 
 | 名称 | 描述 | 
 | -------- | -------- |
-| { OHOS::Media::OHOS_IMAGE_FORMAT_YCBCR_422_SP = 1000,<br/>OHOS::Media::OHOS_IMAGE_FORMAT_JPEG = 2000, } | 图像格式枚举值。 | 
-| { OHOS::Media::OHOS_IMAGE_COMPONENT_FORMAT_YUV_Y = 1,<br/>OHOS::Media::OHOS_IMAGE_COMPONENT_FORMAT_YUV_U = 2,<br/>OHOS::Media::OHOS_IMAGE_COMPONENT_FORMAT_YUV_V = 3,<br/>OHOS::Media::OHOS_IMAGE_COMPONENT_FORMAT_JPEG = 4, } | 图像组成类型枚举值。 | 
+| { OHOS_IMAGE_FORMAT_YCBCR_422_SP = 1000,<br/>OHOS_IMAGE_FORMAT_JPEG = 2000, } | 图像格式枚举值。 | 
+| { OHOS_IMAGE_COMPONENT_FORMAT_YUV_Y = 1,<br/>OHOS_IMAGE_COMPONENT_FORMAT_YUV_U = 2,<br/>OHOS_IMAGE_COMPONENT_FORMAT_YUV_V = 3,<br/>OHOS_IMAGE_COMPONENT_FORMAT_JPEG = 4, } | 图像组成类型枚举值。 | 
 | [IRNdkErrCode](#irndkerrcode) {<br/>IMAGE_RESULT_SUCCESS = 0,<br/>IMAGE_RESULT_BAD_PARAMETER = -1,<br/>IMAGE_RESULT_IMAGE_RESULT_BASE = IMAGE_RESULT_BASE,<br/>IMAGE_RESULT_ERR_IPC = IMAGE_RESULT_BASE + 1,<br/>IMAGE_RESULT_ERR_SHAMEM_NOT_EXIST = IMAGE_RESULT_BASE + 2,<br/>IMAGE_RESULT_ERR_SHAMEM_DATA_ABNORMAL = IMAGE_RESULT_BASE + 3,<br/>IMAGE_RESULT_DECODE_ABNORMAL = IMAGE_RESULT_BASE + 4,<br/>IMAGE_RESULT_DATA_ABNORMAL = IMAGE_RESULT_BASE + 5,<br/>IMAGE_RESULT_MALLOC_ABNORMAL = IMAGE_RESULT_BASE + 6,<br/>IMAGE_RESULT_DATA_UNSUPPORT = IMAGE_RESULT_BASE + 7,<br/>IMAGE_RESULT_INIT_ABNORMAL = IMAGE_RESULT_BASE + 8,<br/>IMAGE_RESULT_GET_DATA_ABNORMAL = IMAGE_RESULT_BASE + 9,<br/>IMAGE_RESULT_TOO_LARGE = IMAGE_RESULT_BASE + 10,<br/>IMAGE_RESULT_TRANSFORM = IMAGE_RESULT_BASE + 11,<br/>IMAGE_RESULT_COLOR_CONVERT = IMAGE_RESULT_BASE + 12,<br/>IMAGE_RESULT_CROP = IMAGE_RESULT_BASE + 13,<br/>IMAGE_RESULT_SOURCE_DATA = IMAGE_RESULT_BASE + 14,<br/>IMAGE_RESULT_SOURCE_DATA_INCOMPLETE = IMAGE_RESULT_BASE + 15,<br/>IMAGE_RESULT_MISMATCHED_FORMAT = IMAGE_RESULT_BASE + 16,<br/>IMAGE_RESULT_UNKNOWN_FORMAT = IMAGE_RESULT_BASE + 17,<br/>IMAGE_RESULT_SOURCE_UNRESOLVED = IMAGE_RESULT_BASE + 18,<br/>IMAGE_RESULT_INVALID_PARAMETER = IMAGE_RESULT_BASE + 19,<br/>IMAGE_RESULT_DECODE_FAILED = IMAGE_RESULT_BASE + 20,<br/>IMAGE_RESULT_PLUGIN_REGISTER_FAILED = IMAGE_RESULT_BASE + 21,<br/>IMAGE_RESULT_PLUGIN_CREATE_FAILED = IMAGE_RESULT_BASE + 22,<br/>IMAGE_RESULT_ENCODE_FAILED = IMAGE_RESULT_BASE + 23,<br/>IMAGE_RESULT_ADD_PIXEL_MAP_FAILED = IMAGE_RESULT_BASE + 24,<br/>IMAGE_RESULT_HW_DECODE_UNSUPPORT = IMAGE_RESULT_BASE + 25,<br/>IMAGE_RESULT_DECODE_HEAD_ABNORMAL = IMAGE_RESULT_BASE + 26,<br/>IMAGE_RESULT_DECODE_EXIF_UNSUPPORT = IMAGE_RESULT_BASE + 27,<br/>IMAGE_RESULT_PROPERTY_NOT_EXIST = IMAGE_RESULT_BASE + 28,<br/>IMAGE_RESULT_MEDIA_DATA_UNSUPPORT = IMAGE_RESULT_BASE + 30,<br/>IMAGE_RESULT_MEDIA_TOO_LARGE = IMAGE_RESULT_BASE + 31,<br/>IMAGE_RESULT_MEDIA_MALLOC_FAILED = IMAGE_RESULT_BASE + 32,<br/>IMAGE_RESULT_MEDIA_END_OF_STREAM = IMAGE_RESULT_BASE + 33,<br/>IMAGE_RESULT_MEDIA_IO_ABNORMAL = IMAGE_RESULT_BASE + 34,<br/>IMAGE_RESULT_MEDIA_MALFORMED = IMAGE_RESULT_BASE + 35,<br/>IMAGE_RESULT_MEDIA_BUFFER_TOO_SMALL = IMAGE_RESULT_BASE + 36,<br/>IMAGE_RESULT_MEDIA_OUT_OF_RANGE = IMAGE_RESULT_BASE + 37,<br/>IMAGE_RESULT_MEDIA_STATUS_ABNORMAL = IMAGE_RESULT_BASE + 38,<br/>IMAGE_RESULT_MEDIA_VALUE_INVALID = IMAGE_RESULT_BASE + 39,<br/>IMAGE_RESULT_MEDIA_NULL_POINTER = IMAGE_RESULT_BASE + 40,<br/>IMAGE_RESULT_MEDIA_INVALID_OPERATION = IMAGE_RESULT_BASE + 41,<br/>IMAGE_RESULT_MEDIA_ERR_PLAYER_NOT_INIT = IMAGE_RESULT_BASE + 42,<br/>IMAGE_RESULT_MEDIA_EARLY_PREPARE = IMAGE_RESULT_BASE + 43,<br/>IMAGE_RESULT_MEDIA_SEEK_ERR = IMAGE_RESULT_BASE + 44,<br/>IMAGE_RESULT_MEDIA_PERMISSION_DENIED = IMAGE_RESULT_BASE + 45,<br/>IMAGE_RESULT_MEDIA_DEAD_OBJECT = IMAGE_RESULT_BASE + 46,<br/>IMAGE_RESULT_MEDIA_TIMED_OUT = IMAGE_RESULT_BASE + 47,<br/>IMAGE_RESULT_MEDIA_TRACK_NOT_ALL_SUPPORTED = IMAGE_RESULT_BASE + 48,<br/>IMAGE_RESULT_MEDIA_ADAPTER_INIT_FAILED = IMAGE_RESULT_BASE + 49,<br/>IMAGE_RESULT_MEDIA_WRITE_PARCEL_FAIL = IMAGE_RESULT_BASE + 50,<br/>IMAGE_RESULT_MEDIA_READ_PARCEL_FAIL = IMAGE_RESULT_BASE + 51,<br/>IMAGE_RESULT_MEDIA_NO_AVAIL_BUFFER = IMAGE_RESULT_BASE + 52,<br/>IMAGE_RESULT_MEDIA_INVALID_PARAM = IMAGE_RESULT_BASE + 53, IMAGE_RESULT_MEDIA_CODEC_ADAPTER_NOT_EXIST = IMAGE_RESULT_BASE + 54,<br/>IMAGE_RESULT_MEDIA_CREATE_CODEC_ADAPTER_FAILED = IMAGE_RESULT_BASE + 55,<br/>IMAGE_RESULT_MEDIA_CODEC_ADAPTER_NOT_INIT = IMAGE_RESULT_BASE + 56,<br/>IMAGE_RESULT_MEDIA_ZCODEC_CREATE_FAILED = IMAGE_RESULT_BASE + 57,<br/>IMAGE_RESULT_MEDIA_ZCODEC_NOT_EXIST = IMAGE_RESULT_BASE + 58,<br/>IMAGE_RESULT_MEDIA_JNI_CLASS_NOT_EXIST = IMAGE_RESULT_BASE + 59,<br/>IMAGE_RESULT_MEDIA_JNI_METHOD_NOT_EXIST = IMAGE_RESULT_BASE + 60,<br/>IMAGE_RESULT_MEDIA_JNI_NEW_OBJ_FAILED = IMAGE_RESULT_BASE + 61,<br/>IMAGE_RESULT_MEDIA_JNI_COMMON_ERROR = IMAGE_RESULT_BASE + 62,<br/>IMAGE_RESULT_MEDIA_DISTRIBUTE_NOT_SUPPORT = IMAGE_RESULT_BASE + 63,<br/>IMAGE_RESULT_MEDIA_SOURCE_NOT_SET = IMAGE_RESULT_BASE + 64,<br/>IMAGE_RESULT_MEDIA_RTSP_ADAPTER_NOT_INIT = IMAGE_RESULT_BASE + 65,<br/>IMAGE_RESULT_MEDIA_RTSP_ADAPTER_NOT_EXIST = IMAGE_RESULT_BASE + 66,<br/>IMAGE_RESULT_MEDIA_RTSP_SURFACE_UNSUPPORT = IMAGE_RESULT_BASE + 67,<br/>IMAGE_RESULT_MEDIA_RTSP_CAPTURE_NOT_INIT = IMAGE_RESULT_BASE + 68,<br/>IMAGE_RESULT_MEDIA_RTSP_SOURCE_URL_INVALID = IMAGE_RESULT_BASE + 69,<br/>IMAGE_RESULT_MEDIA_RTSP_VIDEO_TRACK_NOT_FOUND = IMAGE_RESULT_BASE + 70,<br/>IMAGE_RESULT_MEDIA_RTSP_CAMERA_NUM_REACH_MAX = IMAGE_RESULT_BASE + 71,<br/>IMAGE_RESULT_MEDIA_SET_VOLUME = IMAGE_RESULT_BASE + 72,<br/>IMAGE_RESULT_MEDIA_NUMBER_OVERFLOW = IMAGE_RESULT_BASE + 73,<br/>IMAGE_RESULT_MEDIA_DIS_PLAYER_UNSUPPORTED = IMAGE_RESULT_BASE + 74,<br/>IMAGE_RESULT_MEDIA_DENCODE_ICC_FAILED = IMAGE_RESULT_BASE + 75,<br/>IMAGE_RESULT_MEDIA_ENCODE_ICC_FAILED = IMAGE_RESULT_BASE + 76,<br/>IMAGE_RESULT_MEDIA_READ_PIXELMAP_FAILED = IMAGE_RESULT_BASE + 150,<br/>IMAGE_RESULT_MEDIA_WRITE_PIXELMAP_FAILED = IMAGE_RESULT_BASE + 151,<br/>IMAGE_RESULT_MEDIA_PIXELMAP_NOT_ALLOW_MODIFY = IMAGE_RESULT_BASE + 152,<br/>IMAGE_RESULT_MEDIA_CONFIG_FAILED = IMAGE_RESULT_BASE + 153,<br/>IMAGE_RESULT_JNI_ENV_ABNORMAL = IMAGE_RESULT_BASE + 154,<br/>IMAGE_RESULT_SURFACE_GRALLOC_BUFFER_FAILED = IMAGE_RESULT_BASE + 155,<br/>IMAGE_RESULT_CREATE_SURFACE_FAILED = IMAGE_RESULT_BASE + 156,<br/>IMAGE_RESULT_SURFACE_GET_PARAMETER_FAILED = IMAGE_RESULT_BASE + 157,<br/>IMAGE_RESULT_GET_SURFACE_FAILED = IMAGE_RESULT_BASE + 158,<br/>IMAGE_RESULT_SURFACE_ACQUIRE_BUFFER_FAILED = IMAGE_RESULT_BASE + 159,<br/>IMAGE_RESULT_SURFACE_REQUEST_BUFFER_FAILED = IMAGE_RESULT_BASE + 160,<br/>IMAGE_RESULT_REGISTER_LISTENER_FAILED = IMAGE_RESULT_BASE + 161,<br/>IMAGE_RESULT_REGISTER_BUFFER_FAILED = IMAGE_RESULT_BASE + 162,<br/>IMAGE_RESULT_FREAD_FAILED = IMAGE_RESULT_BASE + 163,<br/>IMAGE_RESULT_PEEK_FAILED = IMAGE_RESULT_BASE + 164,<br/>IMAGE_RESULT_SEEK_FAILED = IMAGE_RESULT_BASE + 165,<br/>IMAGE_RESULT_STREAM_SIZE_ERROR = IMAGE_RESULT_BASE + 166,<br/>IMAGE_RESULT_FILE_FD_ERROR = IMAGE_RESULT_BASE + 167,<br/>IMAGE_RESULT_FILE_DAMAGED = IMAGE_RESULT_BASE + 168,<br/>IMAGE_RESULT_CREATE_DECODER_FAILED = IMAGE_RESULT_BASE + 169,<br/>IMAGE_RESULT_CREATE_ENCODER_FAILED = IMAGE_RESULT_BASE + 170,<br/>IMAGE_RESULT_CHECK_FORMAT_ERROR = IMAGE_RESULT_BASE + 171,<br/>IMAGE_RESULT_THIRDPART_SKIA_ERROR = IMAGE_RESULT_BASE + 172,<br/>IMAGE_RESULT_HW_DECODE_FAILED = IMAGE_RESULT_BASE + 173,<br/>IMAGE_RESULT_ALLOCATER_TYPE_ERROR = IMAGE_RESULT_BASE + 174,<br/>IMAGE_RESULT_ALPHA_TYPE_ERROR = IMAGE_RESULT_BASE + 175,<br/>IMAGE_RESULT_INDEX_INVALID = IMAGE_RESULT_BASE + 176,<br/>IMAGE_RESULT_MEDIA_UNKNOWN = IMAGE_RESULT_BASE + 200<br/>} | 可能出现的返回值的枚举。 | 
 | { OHOS_PIXEL_MAP_ALPHA_TYPE_UNKNOWN = 0,<br/>OHOS_PIXEL_MAP_ALPHA_TYPE_OPAQUE = 1,<br/>OHOS_PIXEL_MAP_ALPHA_TYPE_PREMUL = 2,<br/>OHOS_PIXEL_MAP_ALPHA_TYPE_UNPREMUL = 3 } | PixelMap 透明度类型的枚举。 | 
 | { OHOS_PIXEL_MAP_READ_ONLY = 0,<br/>OHOS_PIXEL_MAP_EDITABLE = 1 } | PixelMap 编辑类型的枚举。 | 
@@ -85,12 +85,12 @@
 
 | 名称 | 描述 | 
 | -------- | -------- |
-| [OHOS::Media::OH_Image_InitImageNative](#oh_image_initimagenative) (napi_env env, napi_value source) | 从输入的JavaScript Native API **图像** 对象中解析 native **ImageNative** 对象。 | 
-| [OHOS::Media::OH_Image_ClipRect](#oh_image_cliprect) (const [ImageNative](#imagenative) \*native, struct [OhosImageRect](_o_h_o_s_1_1_media_1_1_ohos_image_rect.md) \*rect) | 获取native **ImageNative** 对象 [OhosImageRect](_o_h_o_s_1_1_media_1_1_ohos_image_rect.md) 信息。 | 
-| [OHOS::Media::OH_Image_Size](#oh_image_size) (const [ImageNative](#imagenative) \*native, struct [OhosImageSize](_ohos_image_size.md) \*size) | 获取native **ImageNative** 对象的 [OhosImageSize](_ohos_image_size.md) 信息。 | 
-| [OHOS::Media::OH_Image_Format](#oh_image_format) (const [ImageNative](#imagenative) \*native, int32_t \*format) | 获取native **ImageNative** 对象的图像格式。 | 
-| [OHOS::Media::OH_Image_GetComponent](#oh_image_getcomponent) (const [ImageNative](#imagenative) \*native, int32_t componentType, struct [OhosImageComponent](_o_h_o_s_1_1_media_1_1_ohos_image_component.md) \*componentNative) | 从 native **ImageNative** 对象中获取 [OhosImageComponent](_o_h_o_s_1_1_media_1_1_ohos_image_component.md)。 | 
-| [OHOS::Media::OH_Image_Release](#oh_image_release) ([ImageNative](#imagenative) \*native) | 释放 **ImageNative** native对象。 | 
+| [OH_Image_InitImageNative](#oh_image_initimagenative) (napi_env env, napi_value source) | 从输入的JavaScript Native API **图像** 对象中解析 native **ImageNative** 对象。 | 
+| [OH_Image_ClipRect](#oh_image_cliprect) (const [ImageNative](#imagenative) \*native, struct [OhosImageRect](_o_h_o_s_1_1_media_1_1_ohos_image_rect.md) \*rect) | 获取native **ImageNative** 对象 [OhosImageRect](_o_h_o_s_1_1_media_1_1_ohos_image_rect.md) 信息。 | 
+| [OH_Image_Size](#oh_image_size) (const [ImageNative](#imagenative) \*native, struct [OhosImageSize](_ohos_image_size.md) \*size) | 获取native **ImageNative** 对象的 [OhosImageSize](_ohos_image_size.md) 信息。 | 
+| [OH_Image_Format](#oh_image_format) (const [ImageNative](#imagenative) \*native, int32_t \*format) | 获取native **ImageNative** 对象的图像格式。 | 
+| [OH_Image_GetComponent](#oh_image_getcomponent) (const [ImageNative](#imagenative) \*native, int32_t componentType, struct [OhosImageComponent](_o_h_o_s_1_1_media_1_1_ohos_image_component.md) \*componentNative) | 从 native **ImageNative** 对象中获取 [OhosImageComponent](_o_h_o_s_1_1_media_1_1_ohos_image_component.md)。 | 
+| [OH_Image_Release](#oh_image_release) ([ImageNative](#imagenative) \*native) | 释放 **ImageNative** native对象。 | 
 | [OH_PixelMap_CreatePixelMap](#oh_pixelmap_createpixelmap) (napi_env env, [OhosPixelMapCreateOps](_ohos_pixel_map_create_ops.md) info, void \*buf, size_t len, napi_value \*res) | 创建**PixelMap**对象。 | 
 | [OH_PixelMap_CreateAlphaPixelMap](#oh_pixelmap_createalphapixelmap) (napi_env env, napi_value source, napi_value \*alpha) | 根据Alpha通道的信息，来生成一个仅包含Alpha通道信息的**PixelMap**对象。 | 
 | [OH_PixelMap_InitNativePixelMap](#oh_pixelmap_initnativepixelmap) (napi_env env, napi_value source) | 初始化**PixelMap**对象数据。 | 
@@ -202,7 +202,7 @@
 
 
 ```
-typedef struct ImageNative_ OHOS::Media::ImageNative
+typedef struct ImageNative_ ImageNative
 ```
 
 **描述：**
@@ -649,7 +649,7 @@ int32_t OHOS::Media::OH_GetImageInfo (napi_env env, napi_value value, OhosPixelM
 ### OH_Image_ClipRect()
 
 ```
-int32_t OHOS::Media::OH_Image_ClipRect (const ImageNative * native, struct OhosImageRect * rect )
+int32_t OH_Image_ClipRect (const ImageNative * native, struct OhosImageRect * rect )
 ```
 
 **描述：**
@@ -689,7 +689,7 @@ ImageNative, [OhosImageRect](_o_h_o_s_1_1_media_1_1_ohos_image_rect.md)
 ### OH_Image_Format()
 
 ```
-int32_t OHOS::Media::OH_Image_Format (const ImageNative * native, int32_t * format )
+int32_t OH_Image_Format (const ImageNative * native, int32_t * format )
 ```
 
 **描述：**
@@ -729,7 +729,7 @@ ImageNative
 ### OH_Image_GetComponent()
 
 ```
-int32_t OHOS::Media::OH_Image_GetComponent (const ImageNative * native, int32_t componentType, struct OhosImageComponent * componentNative )
+int32_t OH_Image_GetComponent (const ImageNative * native, int32_t componentType, struct OhosImageComponent * componentNative )
 ```
 
 **描述：**
@@ -770,7 +770,7 @@ ImageNative, [OhosImageComponent](_o_h_o_s_1_1_media_1_1_ohos_image_component.md
 ### OH_Image_InitImageNative()
 
 ```
-ImageNative* OHOS::Media::OH_Image_InitImageNative (napi_env env, napi_value source )
+ImageNative* OH_Image_InitImageNative (napi_env env, napi_value source )
 ```
 
 **描述：**
@@ -1237,7 +1237,7 @@ int32_t OH_Image_Receiver_Release (ImageReceiverNative * native)
 ### OH_Image_Release()
 
 ```
-int32_t OHOS::Media::OH_Image_Release (ImageNative * native)
+int32_t OH_Image_Release (ImageNative * native)
 ```
 
 **描述：**
@@ -1274,7 +1274,7 @@ ImageNative, OH_Image_InitImageNative
 ### OH_Image_Size()
 
 ```
-int32_t OHOS::Media::OH_Image_Size (const ImageNative * native, struct OhosImageSize * size )
+int32_t OH_Image_Size (const ImageNative * native, struct OhosImageSize * size )
 ```
 
 **描述：**
diff --git a/zh-cn/application-dev/reference/native-apis/image__mdk_8h.md b/zh-cn/application-dev/reference/native-apis/image__mdk_8h.md
index 6dd7870d88dc81067c850525e9ce323b9cf0feb0..5d52b76025518343fff3fcb3ca63fdcd156416b2 100644
--- a/zh-cn/application-dev/reference/native-apis/image__mdk_8h.md
+++ b/zh-cn/application-dev/reference/native-apis/image__mdk_8h.md
@@ -21,32 +21,32 @@
 
 | 名称 | 描述 | 
 | -------- | -------- |
-| [OHOS::Media::OhosImageRect](_o_h_o_s_1_1_media_1_1_ohos_image_rect.md) | 定义图像矩形信息。 | 
-| [OHOS::Media::OhosImageComponent](_o_h_o_s_1_1_media_1_1_ohos_image_component.md) | 定义图像组成信息。 | 
+| [OhosImageRect](_o_h_o_s_1_1_media_1_1_ohos_image_rect.md) | 定义图像矩形信息。 | 
+| [OhosImageComponent](_o_h_o_s_1_1_media_1_1_ohos_image_component.md) | 定义图像组成信息。 | 
 
 
 ### 类型定义
 
 | 名称 | 描述 | 
 | -------- | -------- |
-| [OHOS::Media::ImageNative](image.md#imagenative) | 为图像接口定义native层图像对象。 | 
+| [ImageNative](image.md#imagenative) | 为图像接口定义native层图像对象。 | 
 
 
 ### 枚举
 
 | 名称 | 描述 | 
 | -------- | -------- |
-| { [OHOS::Media::OHOS_IMAGE_FORMAT_YCBCR_422_SP](image.md) = 1000,<br/>[OHOS::Media::OHOS_IMAGE_FORMAT_JPEG](image.md) = 2000, } | 图像格式枚举值。 | 
-| { [OHOS::Media::OHOS_IMAGE_COMPONENT_FORMAT_YUV_Y](image.md) = 1,<br/>[OHOS::Media::OHOS_IMAGE_COMPONENT_FORMAT_YUV_U](image.md) = 2,<br/>[OHOS::Media::OHOS_IMAGE_COMPONENT_FORMAT_YUV_V](image.md) = 3,<br/>[OHOS::Media::OHOS_IMAGE_COMPONENT_FORMAT_JPEG](image.md) = 4, } | 图像组成类型枚举值。 | 
+| { [OHOS_IMAGE_FORMAT_YCBCR_422_SP](image.md) = 1000,<br/>[OHOS_IMAGE_FORMAT_JPEG](image.md) = 2000, } | 图像格式枚举值。 | 
+| { [OHOS_IMAGE_COMPONENT_FORMAT_YUV_Y](image.md) = 1,<br/>[OHOS_IMAGE_COMPONENT_FORMAT_YUV_U](image.md) = 2,<br/>[OHOS_IMAGE_COMPONENT_FORMAT_YUV_V](image.md) = 3,<br/>[OHOS_IMAGE_COMPONENT_FORMAT_JPEG](image.md) = 4, } | 图像组成类型枚举值。 | 
 
 
 ### 函数
 
 | 名称 | 描述 | 
 | -------- | -------- |
-| [OHOS::Media::OH_Image_InitImageNative](image.md#oh_image_initimagenative) (napi_env env, napi_value source) | 从输入的JavaScript Native API **图像** 对象中解析 native **ImageNative** 对象。 | 
-| [OHOS::Media::OH_Image_ClipRect](image.md#oh_image_cliprect) (const [ImageNative](image.md#imagenative) \*native, struct [OhosImageRect](_o_h_o_s_1_1_media_1_1_ohos_image_rect.md) \*rect) | 获取native **ImageNative** 对象 [OhosImageRect](_o_h_o_s_1_1_media_1_1_ohos_image_rect.md) 信息。 | 
-| [OHOS::Media::OH_Image_Size](image.md#oh_image_size) (const [ImageNative](image.md#imagenative) \*native, struct [OhosImageSize](_ohos_image_size.md) \*size) | 获取native **ImageNative** 对象的 [OhosImageSize](_ohos_image_size.md) 信息。 | 
-| [OHOS::Media::OH_Image_Format](image.md#oh_image_format) (const [ImageNative](image.md#imagenative) \*native, int32_t \*format) | 获取native **ImageNative** 对象的图像格式。 | 
-| [OHOS::Media::OH_Image_GetComponent](image.md#oh_image_getcomponent) (const [ImageNative](image.md#imagenative) \*native, int32_t componentType, struct [OhosImageComponent](_o_h_o_s_1_1_media_1_1_ohos_image_component.md) \*componentNative) | 从 native **ImageNative** 对象中获取 [OhosImageComponent](_o_h_o_s_1_1_media_1_1_ohos_image_component.md)。 | 
-| [OHOS::Media::OH_Image_Release](image.md#oh_image_release) ([ImageNative](image.md#imagenative) \*native) | 释放 **ImageNative** native对象。 | 
+| [OH_Image_InitImageNative](image.md#oh_image_initimagenative) (napi_env env, napi_value source) | 从输入的JavaScript Native API **图像** 对象中解析 native **ImageNative** 对象。 | 
+| [OH_Image_ClipRect](image.md#oh_image_cliprect) (const [ImageNative](image.md#imagenative) \*native, struct [OhosImageRect](_o_h_o_s_1_1_media_1_1_ohos_image_rect.md) \*rect) | 获取native **ImageNative** 对象 [OhosImageRect](_o_h_o_s_1_1_media_1_1_ohos_image_rect.md) 信息。 | 
+| [OH_Image_Size](image.md#oh_image_size) (const [ImageNative](image.md#imagenative) \*native, struct [OhosImageSize](_ohos_image_size.md) \*size) | 获取native **ImageNative** 对象的 [OhosImageSize](_ohos_image_size.md) 信息。 | 
+| [OH_Image_Format](image.md#oh_image_format) (const [ImageNative](image.md#imagenative) \*native, int32_t \*format) | 获取native **ImageNative** 对象的图像格式。 | 
+| [OH_Image_GetComponent](image.md#oh_image_getcomponent) (const [ImageNative](image.md#imagenative) \*native, int32_t componentType, struct [OhosImageComponent](_o_h_o_s_1_1_media_1_1_ohos_image_component.md) \*componentNative) | 从 native **ImageNative** 对象中获取 [OhosImageComponent](_o_h_o_s_1_1_media_1_1_ohos_image_component.md)。 | 
+| [OH_Image_Release](image.md#oh_image_release) ([ImageNative](image.md#imagenative) \*native) | 释放 **ImageNative** native对象。 | 
diff --git a/zh-cn/application-dev/security/cert-guidelines.md b/zh-cn/application-dev/security/cert-guidelines.md
index 81d3592b45396a7d66e12e90a0c6effe985b15b2..27f36aa7d810b1abae300668338657dba8d7191f 100755
--- a/zh-cn/application-dev/security/cert-guidelines.md
+++ b/zh-cn/application-dev/security/cert-guidelines.md
@@ -2,7 +2,7 @@
 
 > **说明**
 >
-> 本开发指导需使用API version 9及以上版本SDK，仅适用于JS语言开发。
+> 本开发指导需使用API version 9及以上版本SDK。
 
 ## 使用证书操作
 
@@ -53,107 +53,94 @@
 
 示例：解析X509证书数据生成证书对象，并调用对象方法（包含场景1-6）
 
-```javascript
-import cryptoCert from '@ohos.security.cert';
-import cryptoFramework from '@ohos.security.cryptoFramework';
+```ts
+import certFramework from '@ohos.security.cert';
+import { BusinessError } from '@ohos.base';
+
+// Certificate data, which is only an example. The certificate data varies with the service.
+let certData = '-----BEGIN CERTIFICATE-----\n' +
+  'MIIBLzCB1QIUO/QDVJwZLIpeJyPjyTvE43xvE5cwCgYIKoZIzj0EAwIwGjEYMBYG\n' +
+  'A1UEAwwPRXhhbXBsZSBSb290IENBMB4XDTIzMDkwNDExMjAxOVoXDTI2MDUzMDEx\n' +
+  'MjAxOVowGjEYMBYGA1UEAwwPRXhhbXBsZSBSb290IENBMFkwEwYHKoZIzj0CAQYI\n' +
+  'KoZIzj0DAQcDQgAEHjG74yMIueO7z3T+dyuEIrhxTg2fqgeNB3SGfsIXlsiUfLTa\n' +
+  'tUsU0i/sePnrKglj2H8Abbx9PK0tsW/VgqwDIDAKBggqhkjOPQQDAgNJADBGAiEA\n' +
+  '0ce/fvA4tckNZeB865aOApKXKlBjiRlaiuq5mEEqvNACIQDPD9WyC21MXqPBuRUf\n' +
+  'BetUokslUfjT6+s/X4ByaxycAA==\n' +
+  '-----END CERTIFICATE-----\n';
+
+// Convert the certificate data form a string to a Uint8Array.
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
+}
+
+// Certificate example
+function certSample(): void {
+  let encodingBlob: certFramework.EncodingBlob = {
+    // Convert the certificate data string to a Uint8Array.
+    data: stringToUint8Array(certData),
+    // Certificate format. Only PEM and DER are supported. In this example, the certificate is in PEM format.
+    encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
+  };
 
-// 证书数据，此处仅示例，业务需根据场景自行设置
-let certData = "-----BEGIN CERTIFICATE-----\n"
-+ "MIID/jCCAuagAwIBAgIBATANBgkqhkiG9w0BAQsFADCBjDELMAkGA1UEBhMCQ04x\n"
-+ "ETAPBgNVBAgMCHNoYW5naGFpMQ8wDQYDVQQHDAZodWF3ZWkxFTATBgNVBAoMDHd3\n"
-+ "dy50ZXN0LmNvbTENMAsGA1UECwwEdGVzdDEVMBMGA1UEAwwMd3d3LnRlc3QuY29t\n"
-+ "MRwwGgYJKoZIhvcNAQkBFg10ZXN0QHRlc3QuY29tMB4XDTIyMDgyOTA2NTUwM1oX\n"
-+ "DTIzMDgyOTA2NTUwM1owezELMAkGA1UEBhMCQ04xETAPBgNVBAgMCHNoYW5naGFp\n"
-+ "MRUwEwYDVQQKDAx3d3cudGVzdC5jb20xDTALBgNVBAsMBHRlc3QxFTATBgNVBAMM\n"
-+ "DHd3dy50ZXN0LmNvbTEcMBoGCSqGSIb3DQEJARYNdGVzdEB0ZXN0LmNvbTCCASIw\n"
-+ "DQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAJmY9T4SzXXwKvfMvnvMWY7TqUJK\n"
-+ "jnWf2Puv0YUQ2fdvyoKQ2LQXdtzoUL53j587oI+IXelOr7dg020zPyun0cmZHZ4y\n"
-+ "l/qAcrWbDjZeEGcbbb5UtQtn1WOEnv8pkXluO355mbZQUKK9L3gFWseXJKGbIXw0\n"
-+ "NRpaJZzqvPor4m3a5pmJKPHOlivUdYfLaKSkNj3DlaFzCWKV82k5ee6gzVyETtG+\n"
-+ "XN+vq8qLybT+fIFsLNMmAHzRxlqz3NiH7yh+1/p/Knvf8bkkRVR2btH51RyX2RSu\n"
-+ "DjPM0/VRL8fxDSDeWBq+Gvn/E6AbOVMmkx63tcyWHhklCSaZtyz7kq39TQMCAwEA\n"
-+ "AaN7MHkwCQYDVR0TBAIwADAsBglghkgBhvhCAQ0EHxYdT3BlblNTTCBHZW5lcmF0\n"
-+ "ZWQgQ2VydGlmaWNhdGUwHQYDVR0OBBYEFFiFDysfADQCzRZCOSPupQxFicwzMB8G\n"
-+ "A1UdIwQYMBaAFNYQRQiPsG8HefOTsmsVhaVjY7IPMA0GCSqGSIb3DQEBCwUAA4IB\n"
-+ "AQAeppxf6sKQJxJQXKPTT3xHKaskidNwDBbOSIvnVvWXicZXDs+1sF6tUaRgvPxL\n"
-+ "OL58+P2Jy0tfSwj2WhqQRGe9MvQ5iFHcdelZc0ciW6EQ0VDHIaDAQc2nQzej/79w\n"
-+ "UE7BJJV3b9n1be2iCsuodKO14pOkMb84WcIxng+8SD+MiFqV5BPO1QyKGdO1PE1b\n"
-+ "+evjyTpFSTgZf2Mw3fGtu5hfEXyHw1lnsFY2MlSwiRlAym/gm4aXy+4H6LyXKd56\n"
-+ "UYQ6fituD0ziaw3RI6liyIe7aENHCkZf6bAvMRhk4QiU4xu6emwX8Qt1bT7RthP0\n"
-+ "1Vsro0IOeXT9WAcqEtQUegsi\n"
-+ "-----END CERTIFICATE-----\n";
-
-// string转Uint8Array
-function stringToUint8Array(str) {
-    var arr = [];
-    for (var i = 0, j = str.length; i < j; i++) {
-        arr.push(str.charCodeAt(i));
+  // Create an X509Cert instance.
+  certFramework.createX509Cert(encodingBlob, (err, x509Cert) => {
+    if (err != null) {
+      // Failed to create the X509Cert instance.
+      console.error('createX509Cert failed, errCode: ' + err.code + ', errMsg: ' + err.message);
+      return;
     }
-    return new Uint8Array(arr);
-}
+    // The X509Cert instance is successfully created.
+    console.log('createX509Cert success');
+
+    // Obtain the certificate version.
+    let version = x509Cert.getVersion();
+
+    // Obtain the serialized data of the certificate.
+    x509Cert.getEncoded((err, data) => {
+      if (err != null) {
+        // Failed to obtain the serialized data of the certificate.
+        console.error('getEncoded failed, errCode: ' + err.code + ', errMsg: ' + err.message);
+      } else {
+        // The serialized data of the certificate is successfully obtained.
+        console.log('getEncoded success');
+      }
+    });
 
-// 证书示例
-function certSample() {
-    let encodingBlob = {
-        // 将string类型证书数据转为Uint8Array
-        data: stringToUint8Array(certData),
-        // 证书格式：支持PEM和DER，此例中对应PEM
-        encodingFormat: cryptoCert.EncodingFormat.FORMAT_PEM
-    };
+    // Obtain the public key object using the getPublicKey() of the upper-level certificate object or this (self-signed) certificate object.
+    try {
+      let pubKey = x509Cert.getPublicKey();
 
-    // 创建证书对象
-    cryptoCert.createX509Cert(encodingBlob, function (err, x509Cert) {
-        if (err != null) {
-            // 创建证书对象失败
-            console.log("createX509Cert failed, errCode: " + err.code + ", errMsg: " + err.message);
-            return;
+      // Verify the certificate signature.
+      x509Cert.verify(pubKey, (err, data) => {
+        if (err == null) {
+          // The signature verification is successful.
+          console.log('verify success');
+        } else {
+          // The signature verification failed.
+          console.error('verify failed, errCode: ' + err.code + ', errMsg: ' + err.message);
         }
-        // 创建证书对象成功
-        console.log("createX509Cert success");
-
-        // 获取证书版本
-        let version = x509Cert.getVersion();
-        
-        // 获取证书对象的序列化数据
-        x509Cert.getEncoded(function (err, data) {
-            if (err != null) {
-                // 获取序列化数据失败
-                console.log("getEncoded failed, errCode: " + err.code + ", errMsg: " + err.message);
-            } else {
-                // 获取序列化数据成功
-                console.log("getEncoded success");
-            }
-        });
+      });
+    } catch (error) {
+      let e: BusinessError = error as BusinessError;
+      console.error('getPublicKey failed, errCode: ' + e.code + ', errMsg: ' + e.message);
+    }
 
-        // 业务需通过上级证书对象或本证书对象(自签名)的getPublicKey接口获取公钥对象，此处省略
-        let pubKey = null;
-        try {
-            pubKey = x509Cert.getPublicKey();
-        } catch (error) {
-            console.log("getPublicKey failed, errCode: " + error.code + ", errMsg: " + error.message);
-        }
 
-        // 证书验签
-        x509Cert.verify(pubKey, function (err, data) {
-            if (err == null) {
-                // 验签成功
-                console.log("verify success");
-            } else {
-                // 验签失败
-                console.log("verify failed, errCode: " + err.code + ", errMsg: " + err.message);
-            }
-        });
+    // Time represented in a string.
+    let date = '20230930000001Z';
 
-        // 时间字符串
-        let date = "20220830000001Z";
-        
-        // 校验证书有效期
-        try {
-            x509Cert.checkValidityWithDate(date);
-        } catch (error) {
-            console.log("checkValidityWithDate failed, errCode: " + error.code + ", errMsg: " + error.message);
-        }
-    });
+    // Verify the certificate validity period.
+    try {
+      x509Cert.checkValidityWithDate(date);
+    } catch (error) {
+      let e: BusinessError = error as BusinessError;
+      console.error('checkValidityWithDate failed, errCode: ' + e.code + ', errMsg: ' + e.message);
+    }
+  });
 }
 ```
 
@@ -161,7 +148,7 @@ function certSample() {
 
 > **说明**
 >
-> 本场景基于API version 10，OH SDK版本4.0.9及以上，适用于JS语言开发
+> 本场景基于API version 10，OH SDK版本4.0.9及以上。
 
 **场景说明**
 
@@ -190,67 +177,70 @@ function certSample() {
 
 示例：解析X509证书扩展域段数据生成证书扩展域段对象，并调用对象方法（包含场景1-3）
 
-```javascript
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+import { BusinessError } from '@ohos.base';
 
-// 证书扩展域段数据，此处仅示例，业务需根据场景自行设置
-let certData = new Uint8Array([
-  0x30, 0x40, 0x30, 0x0F, 0x06, 0x03, 0x55, 0x1D, 
+// Certificate extension data, which is only an example. Set it based on service requirements.
+let extData = new Uint8Array([
+  0x30, 0x40, 0x30, 0x0F, 0x06, 0x03, 0x55, 0x1D,
   0x13, 0x01, 0x01, 0xFF, 0x04, 0x05, 0x30, 0x03,
-  0x01, 0x01, 0xFF, 0x30, 0x0E, 0x06, 0x03, 0x55, 
+  0x01, 0x01, 0xFF, 0x30, 0x0E, 0x06, 0x03, 0x55,
   0x1D, 0x0F, 0x01, 0x01, 0xFF, 0x04, 0x04, 0x03,
-  0x02, 0x01, 0xC6, 0x30, 0x1D, 0x06, 0x03, 0x55, 
+  0x02, 0x01, 0xC6, 0x30, 0x1D, 0x06, 0x03, 0x55,
   0x1D, 0x0E, 0x04, 0x16, 0x04, 0x14, 0xE0, 0x8C,
-  0x9B, 0xDB, 0x25, 0x49, 0xB3, 0xF1, 0x7C, 0x86, 
+  0x9B, 0xDB, 0x25, 0x49, 0xB3, 0xF1, 0x7C, 0x86,
   0xD6, 0xB2, 0x42, 0x87, 0x0B, 0xD0, 0x6B, 0xA0,
   0xD9, 0xE4
 ]);
 
-// string转Uint8Array
-function stringToUint8Array(str) {
-  var arr = [];
-  for (var i = 0, j = str.length; i < j; i++) {
+// Convert the string into a Uint8Array.
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
     arr.push(str.charCodeAt(i));
   }
   return new Uint8Array(arr);
 }
 
-// 证书扩展域段示例
-function certExtensionSample() {
-  let encodingBlob = {
-    data: certData,
-    // 证书扩展域段格式：当前仅支持DER格式
-    encodingFormat: cryptoCert.EncodingFormat.FORMAT_DER
+// Certificate extension example.
+function certExtensionSample(): void {
+  let encodingBlob: certFramework.EncodingBlob = {
+    data: extData,
+    // Certificate extension format. Currently, only the DER format is supported.
+    encodingFormat: certFramework.EncodingFormat.FORMAT_DER
   };
 
-  // 创建证书扩展域段对象
-  cryptoCert.createCertExtension(encodingBlob, function (err, certExtension) {
+  // Create a CerExtension instance.
+  certFramework.createCertExtension(encodingBlob, (err, certExtension) => {
     if (err != null) {
-      // 创建证书扩展域段对象失败
-      console.log("createCertExtension failed, errCode: " + err.code + ", errMsg: " + err.message);
+      // The CerExtension instance fails to be created.
+      console.error('createCertExtension failed, errCode: ' + err.code + ', errMsg: ' + err.message);
       return;
     }
-    // 创建证书扩展域段对象成功
-    console.log("createCertExtension success");
-    
+    // A CerExtension instance is created.
+    console.log('createCertExtension success');
+
     try {
-      // 获取证书扩展域段对象的序列化数据
+      // Obtain the serialized data of the CerExtension instance.
       let encodedData = certExtension.getEncoded();
-      
-      // 获取证书扩展域段对象的对象标识符列表
-      let oidList = certExtension.getOidList(cryptoCert.ExtensionOidType.EXTENSION_OID_TYPE_ALL);
-      
-      // 根据对象标识符获取证书扩展域段信息
-      let oidData = "2.5.29.14";
-      let oid = {
+
+      // Obtain the OIDs of the certificate extensions.
+      let oidList = certExtension.getOidList(certFramework.ExtensionOidType.EXTENSION_OID_TYPE_ALL);
+
+      // Obtain the certificate extension information based on a OID.
+      let oidData = '2.5.29.14';
+      let oid: certFramework.DataBlob = {
         data: stringToUint8Array(oidData),
       }
-      let entry = certExtension.getEntry(cryptoCert.ExtensionEntryType.EXTENSION_ENTRY_TYPE_ENTRY, oid);
-        
-      // 校验证书是否为CA证书
+      let entry = certExtension.getEntry(certFramework.ExtensionEntryType.EXTENSION_ENTRY_TYPE_ENTRY, oid);
+
+      // Check whether the certificate is a CA certificate.
       let pathLen = certExtension.checkCA();
+      console.log('test cert extension success');
     } catch (err) {
-      console.log("operation failed: " + JSON.stringify(err));
+      let e: BusinessError = err as BusinessError;
+      console.error('operation failed, message: ' + e.message + ' code: ' + e.code);
     }
   });
 }
@@ -303,98 +293,194 @@ function certExtensionSample() {
 
 示例：解析X509证书吊销列表数据生成证书吊销列表对象，并调用对象方法（包含场景1-6）
 
-```javascript
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
 import cryptoFramework from '@ohos.security.cryptoFramework';
+import { BusinessError } from '@ohos.base';
+
+// CRL data, which is only an example. The CRL data varies with the service.
+let crlData = '-----BEGIN X509 CRL-----\n' +
+  'MIHzMF4CAQMwDQYJKoZIhvcNAQEEBQAwFTETMBEGA1UEAxMKQ1JMIGlzc3VlchcN\n' +
+  'MTcwODA3MTExOTU1WhcNMzIxMjE0MDA1MzIwWjAVMBMCAgPoFw0zMjEyMTQwMDUz\n' +
+  'MjBaMA0GCSqGSIb3DQEBBAUAA4GBACEPHhlaCTWA42ykeaOyR0SGQIHIOUR3gcDH\n' +
+  'J1LaNwiL+gDxI9rMQmlhsUGJmPIPdRs9uYyI+f854lsWYisD2PUEpn3DbEvzwYeQ\n' +
+  '5SqQoPDoM+YfZZa23hoTLsu52toXobP74sf/9K501p/+8hm4ROMLBoRT86GQKY6g\n' +
+  'eavsH0Q3\n' +
+  '-----END X509 CRL-----\n'
+
+
+let certData = '-----BEGIN CERTIFICATE-----\n' +
+  'MIIBLzCB1QIUO/QDVJwZLIpeJyPjyTvE43xvE5cwCgYIKoZIzj0EAwIwGjEYMBYG\n' +
+  'A1UEAwwPRXhhbXBsZSBSb290IENBMB4XDTIzMDkwNDExMjAxOVoXDTI2MDUzMDEx\n' +
+  'MjAxOVowGjEYMBYGA1UEAwwPRXhhbXBsZSBSb290IENBMFkwEwYHKoZIzj0CAQYI\n' +
+  'KoZIzj0DAQcDQgAEHjG74yMIueO7z3T+dyuEIrhxTg2fqgeNB3SGfsIXlsiUfLTa\n' +
+  'tUsU0i/sePnrKglj2H8Abbx9PK0tsW/VgqwDIDAKBggqhkjOPQQDAgNJADBGAiEA\n' +
+  '0ce/fvA4tckNZeB865aOApKXKlBjiRlaiuq5mEEqvNACIQDPD9WyC21MXqPBuRUf\n' +
+  'BetUokslUfjT6+s/X4ByaxycAA==\n' +
+  '-----END CERTIFICATE-----\n';
+
+let pubKeyData = new Uint8Array([
+  0x30, 0x81, 0x9F, 0x30, 0x0D, 0x06, 0x09, 0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x01, 0x01, 0x01,
+  0x05, 0x00, 0x03, 0x81, 0x8D, 0x00, 0x30, 0x81, 0x89, 0x02, 0x81, 0x81, 0x00, 0xDC, 0x4C, 0x2D,
+  0x57, 0x49, 0x3D, 0x42, 0x52, 0x1A, 0x09, 0xED, 0x3E, 0x90, 0x29, 0x51, 0xF7, 0x70, 0x15, 0xFE,
+  0x76, 0xB0, 0xDB, 0xDF, 0xA1, 0x2C, 0x6C, 0x67, 0x95, 0xDA, 0x63, 0x3D, 0x4F, 0x71, 0x48, 0x8C,
+  0x3E, 0xFA, 0x24, 0x79, 0xE9, 0xF2, 0xF2, 0x20, 0xCB, 0xF1, 0x59, 0x6B, 0xED, 0xC8, 0x72, 0x66,
+  0x6E, 0x31, 0xD4, 0xF3, 0xCE, 0x0B, 0x12, 0xC4, 0x17, 0x39, 0xB4, 0x52, 0x16, 0xD3, 0xE3, 0xC0,
+  0xF8, 0x48, 0xB3, 0xF6, 0x40, 0xD5, 0x47, 0x23, 0x30, 0x7F, 0xA7, 0xC5, 0x5A, 0x5A, 0xBB, 0x5C,
+  0x7B, 0xEF, 0x69, 0xE2, 0x74, 0x35, 0x24, 0x22, 0x25, 0x45, 0x7E, 0xFC, 0xE8, 0xC4, 0x52, 0x65,
+  0xA0, 0x4E, 0xBC, 0xFD, 0x3F, 0xD9, 0x85, 0x14, 0x8A, 0x5A, 0x93, 0x02, 0x24, 0x6C, 0x19, 0xBA,
+  0x81, 0xBE, 0x65, 0x2E, 0xCB, 0xBB, 0xE9, 0x91, 0x7B, 0x7C, 0x47, 0xC2, 0x61, 0x02, 0x03, 0x01,
+  0x00, 0x01
+]);
 
-// 证书吊销列表数据，此处仅示例，业务需根据场景自行设置
-let crlData = "-----BEGIN X509 CRL-----\n"
-+ "MIIBijB0AgEBMA0GCSqGSIb3DQEBCwUAMBMxETAPBgNVBAMMCHJvb3QtY2ExFw0y\n"
-+ "MDA2MTkxNjE1NDhaFw0yMDA3MTkxNjE1NDhaMBwwGgIJAMsozRATnap1Fw0yMDA2\n"
-+ "MTkxNjEyMDdaoA8wDTALBgNVHRQEBAICEAIwDQYJKoZIhvcNAQELBQADggEBACPs\n"
-+ "9gQB+djaXPHHRmAItebZpD3iJ/e36Dxr6aMVkn9FkI8OVpUI4RNcCrywyCZHQJte\n"
-+ "995bbPjP7f1sZstOTZS0fDPgJ5SPAxkKOQB+SQnBFrlZSsxoUNU60gRqd2imR0Rn\n"
-+ "1r09rP69F6E4yPc9biEld+llLGgoImP3zPOVDD6fbfcvVkjStY3bssVEQ/vjp4a3\n"
-+ "/I12U7ZnSe3jaKqaQBoVJppkTFOIOq7IOxf5/IkMPmvRHDeC2IzDMzcUxym0dkny\n"
-+ "EowHrjzo0bZVqpHMA2YgKZuwTpVLHk9GeBEK2hVkIoPVISkmiU4HFg0S6z68C5yd\n"
-+ "DrAA7hErVgXhtURLbAI=\n"
-+ "-----END X509 CRL-----\n";
-
-// string转Uint8Array
-function stringToUint8Array(str) {
-    var arr = [];
-    for (var i = 0, j = str.length; i < j; i++) {
-        arr.push(str.charCodeAt(i));
-    }
-    return new Uint8Array(arr);
+let priKeyData = new Uint8Array([
+  0x30, 0x82, 0x02, 0x77, 0x02, 0x01, 0x00, 0x30, 0x0D, 0x06, 0x09, 0x2A, 0x86, 0x48, 0x86, 0xF7,
+  0x0D, 0x01, 0x01, 0x01, 0x05, 0x00, 0x04, 0x82, 0x02, 0x61, 0x30, 0x82, 0x02, 0x5D, 0x02, 0x01,
+  0x00, 0x02, 0x81, 0x81, 0x00, 0xDC, 0x4C, 0x2D, 0x57, 0x49, 0x3D, 0x42, 0x52, 0x1A, 0x09, 0xED,
+  0x3E, 0x90, 0x29, 0x51, 0xF7, 0x70, 0x15, 0xFE, 0x76, 0xB0, 0xDB, 0xDF, 0xA1, 0x2C, 0x6C, 0x67,
+  0x95, 0xDA, 0x63, 0x3D, 0x4F, 0x71, 0x48, 0x8C, 0x3E, 0xFA, 0x24, 0x79, 0xE9, 0xF2, 0xF2, 0x20,
+  0xCB, 0xF1, 0x59, 0x6B, 0xED, 0xC8, 0x72, 0x66, 0x6E, 0x31, 0xD4, 0xF3, 0xCE, 0x0B, 0x12, 0xC4,
+  0x17, 0x39, 0xB4, 0x52, 0x16, 0xD3, 0xE3, 0xC0, 0xF8, 0x48, 0xB3, 0xF6, 0x40, 0xD5, 0x47, 0x23,
+  0x30, 0x7F, 0xA7, 0xC5, 0x5A, 0x5A, 0xBB, 0x5C, 0x7B, 0xEF, 0x69, 0xE2, 0x74, 0x35, 0x24, 0x22,
+  0x25, 0x45, 0x7E, 0xFC, 0xE8, 0xC4, 0x52, 0x65, 0xA0, 0x4E, 0xBC, 0xFD, 0x3F, 0xD9, 0x85, 0x14,
+  0x8A, 0x5A, 0x93, 0x02, 0x24, 0x6C, 0x19, 0xBA, 0x81, 0xBE, 0x65, 0x2E, 0xCB, 0xBB, 0xE9, 0x91,
+  0x7B, 0x7C, 0x47, 0xC2, 0x61, 0x02, 0x03, 0x01, 0x00, 0x01, 0x02, 0x81, 0x80, 0x5A, 0xCF, 0x0F,
+  0xF5, 0xA6, 0x1C, 0x19, 0x65, 0x8C, 0x94, 0x40, 0xF6, 0x84, 0x28, 0x74, 0x40, 0x42, 0x34, 0xDE,
+  0xC3, 0x00, 0x5E, 0x72, 0x4D, 0x96, 0xE9, 0x4C, 0xBD, 0xC9, 0xDB, 0x14, 0x9F, 0xD5, 0xBB, 0xA9,
+  0x0C, 0x20, 0xC2, 0xBE, 0x7A, 0x80, 0x89, 0xEC, 0x99, 0x04, 0xF0, 0xEE, 0x7B, 0x83, 0x20, 0x1D,
+  0x37, 0x19, 0x55, 0x85, 0xF6, 0x8E, 0x3B, 0xFB, 0x16, 0xF3, 0xD3, 0x6F, 0xEE, 0x73, 0x12, 0x53,
+  0xCA, 0x77, 0xD7, 0x6C, 0x29, 0xF5, 0x08, 0xA3, 0x09, 0x01, 0x0B, 0x00, 0x05, 0x57, 0xAD, 0x4D,
+  0xF0, 0x92, 0xB2, 0x5A, 0x8B, 0x19, 0x09, 0x81, 0x86, 0xFE, 0x66, 0xB9, 0x33, 0x88, 0x28, 0xF3,
+  0x37, 0x73, 0x09, 0x5F, 0xD7, 0xC9, 0xC6, 0xFA, 0x13, 0x74, 0xFE, 0xAE, 0x53, 0xA9, 0x71, 0x67,
+  0xCE, 0x3A, 0xE6, 0x8D, 0x35, 0xD1, 0xB8, 0xFD, 0x6F, 0x0D, 0x43, 0xC2, 0xD1, 0x02, 0x41, 0x00,
+  0xF7, 0x33, 0xE5, 0x6C, 0x29, 0x5A, 0x30, 0x58, 0xA4, 0x52, 0x65, 0xA0, 0x39, 0xC2, 0xE8, 0xAE,
+  0x5F, 0xA3, 0x2D, 0x0C, 0x65, 0xB1, 0x7B, 0xFD, 0x92, 0xBF, 0x47, 0x87, 0x97, 0x40, 0xCB, 0x54,
+  0xF9, 0xBB, 0x50, 0x27, 0x70, 0x51, 0xD0, 0xD8, 0x48, 0x0D, 0xC6, 0x47, 0x60, 0xF8, 0x4E, 0x0A,
+  0x32, 0x76, 0x6D, 0xA4, 0xBA, 0x40, 0xE5, 0x58, 0xF8, 0x4A, 0x39, 0x4E, 0xF8, 0x3F, 0x4E, 0x2D,
+  0x02, 0x41, 0x00, 0xE4, 0x23, 0x2A, 0x5F, 0x59, 0xCF, 0x7C, 0x91, 0x24, 0x0D, 0xA2, 0x44, 0x17,
+  0xCD, 0x37, 0xDE, 0x1F, 0x53, 0x4D, 0x33, 0x9F, 0x90, 0x4D, 0xD9, 0x72, 0x64, 0x25, 0xBA, 0xAB,
+  0x47, 0x91, 0xC4, 0x99, 0x95, 0x86, 0xB5, 0x8A, 0xEA, 0x77, 0xF7, 0x64, 0x72, 0x5E, 0xB7, 0xBB,
+  0x16, 0xA1, 0x64, 0xA4, 0xE1, 0x2D, 0x76, 0x6D, 0xEF, 0xB1, 0x5E, 0xD6, 0x17, 0xE8, 0xAA, 0xB6,
+  0xA0, 0xD9, 0x85, 0x02, 0x41, 0x00, 0xDF, 0xC8, 0x5B, 0x28, 0x4F, 0x47, 0x15, 0xFD, 0x28, 0xC4,
+  0x6E, 0xBB, 0x5D, 0x8E, 0xD4, 0x95, 0x06, 0x7E, 0xF1, 0x89, 0x07, 0x86, 0x64, 0x78, 0x69, 0x20,
+  0x3F, 0xE0, 0xBF, 0x4C, 0x28, 0xC6, 0x04, 0x4D, 0x4D, 0x82, 0x66, 0x6B, 0xAA, 0x64, 0x20, 0xD6,
+  0x57, 0x68, 0xC6, 0xA0, 0x02, 0x05, 0xB9, 0x28, 0xFC, 0x98, 0xE3, 0x03, 0x5C, 0x9B, 0xEE, 0x29,
+  0x43, 0x37, 0xFA, 0x03, 0x55, 0x01, 0x02, 0x40, 0x69, 0x5B, 0x7C, 0x24, 0x10, 0xDB, 0xEB, 0x91,
+  0x33, 0xEF, 0x3F, 0xF2, 0xE6, 0x73, 0x15, 0xCB, 0xF4, 0xF7, 0x89, 0x7D, 0xBF, 0xC0, 0xEA, 0xD2,
+  0xF3, 0x2B, 0x20, 0xE9, 0x76, 0x54, 0x55, 0x13, 0x50, 0x42, 0x67, 0xB5, 0xCB, 0x73, 0xC0, 0xF7,
+  0x75, 0x62, 0x04, 0x30, 0x21, 0xAC, 0xAF, 0xD8, 0x44, 0xF4, 0xE1, 0x04, 0x02, 0x7D, 0x61, 0x92,
+  0x84, 0x99, 0x02, 0x10, 0x64, 0xCB, 0x1F, 0xE9, 0x02, 0x41, 0x00, 0xAB, 0x4B, 0x7D, 0x90, 0x7C,
+  0x57, 0x08, 0x6B, 0xC0, 0x43, 0x72, 0x09, 0x8A, 0x18, 0x35, 0x36, 0x64, 0x9D, 0x84, 0x8D, 0xF1,
+  0x84, 0x94, 0x48, 0xC6, 0x80, 0x9D, 0xB9, 0xA2, 0x58, 0x0A, 0x4D, 0x0A, 0xCA, 0x1E, 0xD6, 0x05,
+  0x55, 0x5B, 0xFE, 0xD7, 0xAA, 0x70, 0xED, 0x76, 0xB3, 0x40, 0x2E, 0xA0, 0xB3, 0x32, 0x37, 0xB0,
+  0xA0, 0xB9, 0x96, 0x2D, 0xC4, 0x70, 0xE9, 0x99, 0x10, 0x67, 0x8D
+]);
+
+// Convert the certificate data form a string to a Uint8Array.
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
 }
 
-// 证书吊销列表示例
-function crlSample() {
-    let encodingBlob = {
-        // 将string类型证书吊销列表数据转为Uint8Array
-        data: stringToUint8Array(crlData),
-        // 证书吊销列表格式：支持PEM和DER，此例中对应PEM
-        encodingFormat: cryptoCert.EncodingFormat.FORMAT_PEM
-    };
+// Example of a CRL.
+function crlSample(): void {
+  let encodingBlob: certFramework.EncodingBlob = {
+    // Convert the CRL data from a string to a Uint8Array.
+    data: stringToUint8Array(crlData),
+    // CRL format. Only PEM and DER are supported. In this example, the CRL is in PEM format.
+    encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
+  };
 
-    // 创建证书吊销列表对象
-    cryptoCert.createX509Crl(encodingBlob, function (err, x509Crl) {
-        if (err != null) {
-            // 创建证书吊销列表对象失败
-            console.log("createX509Crl failed, errCode: " + err.code + ", errMsg: " + err.message);
-            return;
-        }
-        // 创建证书吊销列表对象成功
-        console.log("createX509Crl success");
-
-        // 获取证书吊销列表版本
-        let version = x509Crl.getVersion();
-        
-        // 获取证书吊销列表对象的序列化数据
-        x509Crl.getEncoded(function (err, data) {
-            if (err != null) {
-                // 获取序列化数据失败
-                console.log("getEncoded failed, errCode: " + err.code + ", errMsg: " + err.message);
-            } else {
-                // 获取序列化数据成功
-                console.log("getEncoded success");
-            }
-        });
+  // Create an X509Crl instance.
+  certFramework.createX509Crl(encodingBlob, (err, x509Crl) => {
+    if (err != null) {
+      // Failed to create the X509Crl instance.
+      console.error('createX509Crl failed, errCode: ' + err.code + ', errMsg: ' + err.message);
+      return;
+    }
+    // The X509Crl instance is successfully created.
+    console.log('createX509Crl success');
+
+    // Obtain the CRL version.
+    let version = x509Crl.getVersion();
+
+    // Obtain the serialized data of the CRL.
+    x509Crl.getEncoded((err, data) => {
+      if (err != null) {
+        // Failed to obtain the serialized data of the certificate.
+        console.error('getEncoded failed, errCode: ' + err.code + ', errMsg: ' + err.message);
+      } else {
+        // The serialized data of the certificate is successfully obtained.
+        console.log('getEncoded success');
+      }
+    });
 
-        // 业务需通过cryptoFramework的createX509Cert生成X509Cert证书对象，此处省略
-        let x509Cert = null;
-        // 检查证书是否被吊销
+    // Create an X509Cert instance by using createX509Cert() of certFramework.
+    let certBlob: certFramework.EncodingBlob = {
+      data: stringToUint8Array(certData),
+      encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
+    };
+    certFramework.createX509Cert(certBlob, (err, cert) => {
+      if (err == null) {
         try {
-            let revokedFlag = x509Crl.isRevoked(x509Cert);
+          // Check whether the certificate is revoked.
+          let revokedFlag = x509Crl.isRevoked(cert);
+          console.log('revokedFlag is: ' + revokedFlag);
         } catch (error) {
-           console.log("isRevoked failed, errCode: " + error.code + ", errMsg: " + error.message);
+          let e: BusinessError = error as BusinessError;
+          console.error('isRevoked failed, errCode: ' + e.code + ', errMsg: ' + e.message);
         }
+      } else {
+        console.error('create x509 cert failed errCode: ' + err.code + ', errMsg: ' + err.message);
+      }
+    })
 
-        // 业务需通过将public key二进制数据输入 @ohos.security.cryptoFramework的convertKey接口获取PubKey对象，此处省略
-        let pubKey = null;
-        
-        // 证书吊销列表验签
-        x509Crl.verify(pubKey, function (err, data) {
+    // The binary data of the public key needs to be passed to convertKey() of @ohos.security.cryptoFramework to obtain the PubKey object. The process is omitted here.
+    try {
+      let keyGenerator = cryptoFramework.createAsyKeyGenerator('RSA1024|PRIMES_3');
+      console.log('createAsyKeyGenerator success');
+      let priEncodingBlob: cryptoFramework.DataBlob = {
+        data: priKeyData,
+      };
+      let pubEncodingBlob: cryptoFramework.DataBlob = {
+        data: pubKeyData,
+      };
+      keyGenerator.convertKey(pubEncodingBlob, priEncodingBlob, (e, keyPair) => {
+        if (e == null) {
+          console.log('convert key success');
+          x509Crl.verify(keyPair.pubKey, (err, data) => {
             if (err == null) {
-                // 验签成功
-                console.log("verify success");
+              // The signature verification is successful.
+              console.log('verify success');
             } else {
-                // 验签失败
-                console.log("verify failed, errCode: " + err.code + ", errMsg: " + err.message);
+              // The signature verification failed.
+              console.error('verify failed, errCode: ' + err.code + ', errMsg: ' + err.message);
             }
-        });
+          });
+        } else {
+          console.error('convert key failed, message: ' + e.message + 'code: ' + e.code);
+        }
+      })
+    } catch (error) {
+      let e: BusinessError = error as BusinessError;
+      console.error('get pubKey failed, errCode: ' + e.code + ', errMsg: ' + e.message);
+    }
 
-        // 证书序列号，业务需自行设置
-        let serialNumber = 1000;
+    // Certificate serial number, which must be set based on the service.
+    let serialNumber = 1000;
 
-        // 获取被吊销证书对象
-        try {
-            let entry = x509Crl.getRevokedCert(serialNumber);
-        } catch (error) {
-           console.log("getRevokedCert failed, errCode: " + error.code + ", errMsg: " + error.message);
-        }
-    });
+    // Obtain the revoked certificate based on the serial number.
+    try {
+      let entry = x509Crl.getRevokedCert(serialNumber);
+      console.log('get getRevokedCert success');
+    } catch (error) {
+      let e: BusinessError = error as BusinessError;
+      console.error('getRevokedCert failed, errCode: ' + e.code + ', errMsg: ' + e.message);
+    }
+  });
 }
 ```
 
@@ -421,88 +507,88 @@ function crlSample() {
 
 示例：创建证书链校验器对象，并对证书链数据进行校验（场景1）
 
-```javascript
-import cryptoCert from '@ohos.security.cert';
-
-// 一级证书数据，此处仅示例，业务需自行设置真实数据
-let caCertData = "-----BEGIN CERTIFICATE-----\n"
-+ "...\n"
-+ "...\n"
-+ "...\n"
-+ "-----END CERTIFICATE-----\n";
-
-// 二级证书数据，此处仅示例，业务需自行设置真实数据
-let secondCaCertData = "-----BEGIN CERTIFICATE-----\n"
-+ "...\n"
-+ "...\n"
-+ "...\n"
-+ "-----END CERTIFICATE-----\n";
-
-// string转Uint8Array
-function stringToUint8Array(str) {
-    var arr = [];
-    for (var i = 0, j = str.length; i < j; i++) {
-        arr.push(str.charCodeAt(i));
-    }
-    return new Uint8Array(arr);
+```ts
+import certFramework from '@ohos.security.cert';
+
+// CA certificate data, which is only an example. The CA certificate data varies with the service.
+let caCertData = '-----BEGIN CERTIFICATE-----\n' +
+  '...\n' +
+  '...\n' +
+  '...\n' +
+  '-----END CERTIFICATE-----\n';
+
+// End-entity certificate data, which is only an example. The certificate data varies with the service.
+let secondCaCertData = '-----BEGIN CERTIFICATE-----\n' +
+  '...\n' +
+  '...\n' +
+  '...\n' +
+  '-----END CERTIFICATE-----\n';
+
+// Convert the certificate data form a string to a Uint8Array..
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
 }
 
-// 证书链校验器示例：此示例中以校验二级证书链为例，业务需根据场景自行修改
-function certChainValidatorSample() {
-    // 证书链校验器算法，当前仅支持PKIX
-    let algorithm = "PKIX";
-    
-    // 创建证书链校验器对象
-    let validator = cryptoCert.createCertChainValidator(algorithm);
-    
-    // 一级证书数据
-    let uint8ArrayOfCaCertData = stringToUint8Array(caCertData);
-    
-    // 一级证书数据长度
-    let uint8ArrayOfCaCertDataLen = new Uint8Array(new Uint16Array([uint8ArrayOfCaCertData.byteLength]).buffer);
-    
-    // 二级证书数据
-    let uint8ArrayOf2ndCaCertData = stringToUint8Array(secondCaCertData);
-    
-    // 二级证书数据长度
-    let uint8ArrayOf2ndCaCertDataLen = new Uint8Array(new Uint16Array([uint8ArrayOf2ndCaCertData.byteLength]).buffer);
-    
-    // 证书链二进制数据：二级证书数据长度+二级证书数据+一级证书数据长度+一级证书数据（L-V格式）
-    let encodingData = new Uint8Array(uint8ArrayOf2ndCaCertDataLen.length + uint8ArrayOf2ndCaCertData.length +
-                                     uint8ArrayOfCaCertDataLen.length + uint8ArrayOfCaCertData.length);
-    for (var i = 0; i < uint8ArrayOf2ndCaCertDataLen.length; i++) {
-        encodingData[i] = uint8ArrayOf2ndCaCertDataLen[i];
-    }
-    for (var i = 0; i < uint8ArrayOf2ndCaCertData.length; i++) {
-        encodingData[uint8ArrayOf2ndCaCertDataLen.length + i] = uint8ArrayOf2ndCaCertData[i];
-    }
-    for (var i = 0; i < uint8ArrayOfCaCertDataLen.length; i++) {
-        encodingData[uint8ArrayOf2ndCaCertDataLen.length + uint8ArrayOf2ndCaCertData.length + i] = uint8ArrayOfCaCertDataLen[i];
-    }
-    for (var i = 0; i < uint8ArrayOfCaCertData.length; i++) {
-        encodingData[uint8ArrayOf2ndCaCertDataLen.length + uint8ArrayOf2ndCaCertData.length +
-                     uint8ArrayOfCaCertDataLen.length + i] = uint8ArrayOfCaCertData[i];
+// Certificate chain validator example. In this example, a two-level certificate chain is verified.
+function certChainValidatorSample(): void {
+  // Certificate chain validator algorithm. Currently, only PKIX is supported.
+  let algorithm = 'PKIX';
+
+  // Create a CertChainValidator instance.
+  let validator = certFramework.createCertChainValidator(algorithm);
+
+  // CA certificate data.
+  let uint8ArrayOfCaCertData = stringToUint8Array(caCertData);
+
+  // Length of the CA certificate data.
+  let uint8ArrayOfCaCertDataLen = new Uint8Array(new Uint16Array([uint8ArrayOfCaCertData.byteLength]).buffer);
+
+  // End-entity certificate data.
+  let uint8ArrayOf2ndCaCertData = stringToUint8Array(secondCaCertData);
+
+  // Length of the end-entity certificate data.
+  let uint8ArrayOf2ndCaCertDataLen = new Uint8Array(new Uint16Array([uint8ArrayOf2ndCaCertData.byteLength]).buffer);
+
+  // Certificate chain binary data: end-entity certificate data length + end-entity certificate data + CA certificate data length + CA certificate data (in L-V format).
+  let encodingData = new Uint8Array(uint8ArrayOf2ndCaCertDataLen.length + uint8ArrayOf2ndCaCertData.length +
+  uint8ArrayOfCaCertDataLen.length + uint8ArrayOfCaCertData.length);
+  for (let i = 0; i < uint8ArrayOf2ndCaCertDataLen.length; i++) {
+    encodingData[i] = uint8ArrayOf2ndCaCertDataLen[i];
+  }
+  for (let i = 0; i < uint8ArrayOf2ndCaCertData.length; i++) {
+    encodingData[uint8ArrayOf2ndCaCertDataLen.length + i] = uint8ArrayOf2ndCaCertData[i];
+  }
+  for (let i = 0; i < uint8ArrayOfCaCertDataLen.length; i++) {
+    encodingData[uint8ArrayOf2ndCaCertDataLen.length + uint8ArrayOf2ndCaCertData.length + i] = uint8ArrayOfCaCertDataLen[i];
+  }
+  for (let i = 0; i < uint8ArrayOfCaCertData.length; i++) {
+    encodingData[uint8ArrayOf2ndCaCertDataLen.length + uint8ArrayOf2ndCaCertData.length +
+    uint8ArrayOfCaCertDataLen.length + i] = uint8ArrayOfCaCertData[i];
+  }
+
+  let certChainData: certFramework.CertChainData = {
+    // Uint8Array type: L-V format (certificate data length-certificate data)
+    data: encodingData,
+    // Number of certificates. It is 2 in this example.
+    count: 2,
+    // Certificate format. Only PEM and DER are supported. In this example, the certificate is in PEM format.
+    encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
+  };
+
+  // Verify the certificate chain.
+  validator.validate(certChainData, (err, data) => {
+    if (err != null) {
+      // The operation fails.
+      console.error('validate failed, errCode: ' + err.code + ', errMsg: ' + err.message);
+    } else {
+      // The operation is successful.
+      console.log('validate success');
     }
-    
-    let certChainData = {
-        // Uint8Array类型：L-V格式(证书数据长度-证书数据)
-        data: encodingData,
-        // 证书数量，此示例中为2
-        count: 2,
-        // 证书格式：支持PEM和DER，此例中对应PEM
-        encodingFormat: cryptoCert.EncodingFormat.FORMAT_PEM
-    };
-    
-    // 校验证书链
-    validator.validate(certChainData, function (err, data) {
-        if (err != null) {
-            // 证书链校验失败
-            console.log("validate failed, errCode: " + err.code + ", errMsg: " + err.message);
-        } else {
-            // 证书链校验成功
-            console.log("validate success");
-        }
-	});
+  });
 }
 ```
 
@@ -534,43 +620,75 @@ function certChainValidatorSample() {
 
 示例：获取被吊销证书对象，并调用对象方法（包含场景1-3）
 
-```javascript
-import cryptoCert from '@ohos.security.cert';
+```ts
+import certFramework from '@ohos.security.cert';
+import { BusinessError } from '@ohos.base';
+
+let crlData = '-----BEGIN X509 CRL-----\n' +
+  'MIHzMF4CAQMwDQYJKoZIhvcNAQEEBQAwFTETMBEGA1UEAxMKQ1JMIGlzc3VlchcN\n' +
+  'MTcwODA3MTExOTU1WhcNMzIxMjE0MDA1MzIwWjAVMBMCAgPoFw0zMjEyMTQwMDUz\n' +
+  'MjBaMA0GCSqGSIb3DQEBBAUAA4GBACEPHhlaCTWA42ykeaOyR0SGQIHIOUR3gcDH\n' +
+  'J1LaNwiL+gDxI9rMQmlhsUGJmPIPdRs9uYyI+f854lsWYisD2PUEpn3DbEvzwYeQ\n' +
+  '5SqQoPDoM+YfZZa23hoTLsu52toXobP74sf/9K501p/+8hm4ROMLBoRT86GQKY6g\n' +
+  'eavsH0Q3\n' +
+  '-----END X509 CRL-----\n'
+
+// Convert the certificate data form a string to a Uint8Array.
+function stringToUint8Array(str: string): Uint8Array {
+  let arr: Array<number> = [];
+  for (let i = 0, j = str.length; i < j; i++) {
+    arr.push(str.charCodeAt(i));
+  }
+  return new Uint8Array(arr);
+}
 
-// 被吊销证书示例
-function crlEntrySample() {
-    // 业务需自行通过cryptoFramework的createX509Crl接口创建X509Crl对象，此处省略
-    let x509Crl = null;
-    
-    // 获取被吊销证书对象，业务需根据场景调用X509Crl的接口获取，此示例使用getRevokedCert获取
-    let serialNumber = 1000;
-    let crlEntry = null;
-    try {
-        crlEntry = x509Crl.getRevokedCert(serialNumber);
-    } catch (error) {
-        console.log("getRevokedCert failed, errCode: " + error.code + ", errMsg: " + error.message);
+// Example of a revoked certificate.
+function crlEntrySample(): void {
+  // Create an **X509Crl** instance by using createX509Crl() of certFramework.
+  let encodingBlob: certFramework.EncodingBlob = {
+    // Convert the CRL data from a string to a Uint8Array.
+    data: stringToUint8Array(crlData),
+    // CRL format. Only PEM and DER are supported. In this example, the CRL is in PEM format.
+    encodingFormat: certFramework.EncodingFormat.FORMAT_PEM
+  };
+
+  // Create an X509Crl instance.
+  certFramework.createX509Crl(encodingBlob, (err, x509Crl) => {
+    if (err != null) {
+      // Failed to create the X509Crl instance.
+      console.error('createX509Crl failed, errCode: ' + err.code + ', errMsg: ' + err.message);
+      return;
     }
+    console.log('create x509 crl success');
 
-    // 获取被吊销证书的序列号
-    serialNumber = crlEntry.getSerialNumber();
-    
-    // 获取被吊销证书的吊销日期
+    // Obtain a revoked certificate instance. In this example, the instance is obtained by using getRevokedCert().
     try {
-        crlEntry.getRevocationDate();
-    } catch (error) {
-        console.log("getRevocationDate failed, errCode: " + error.code + ", errMsg: " + error.message);
-    }
+      let serialNumber = 1000;
+      let crlEntry = x509Crl.getRevokedCert(serialNumber);
+
+      // Obtain the serial number of the revoked certificate.
+      serialNumber = crlEntry.getSerialNumber();
+      console.log('serialNumber is: ', serialNumber);
+
+      // Obtain the revocation date of the revoked certificate.
+      let date = crlEntry.getRevocationDate();
+      console.log('revocation date is: ', date);
 
-    // 获取被吊销证书对象的序列化数据
-    crlEntry.getEncoded(function (err, data) {
+      // Obtain the serialized data of the revoked certificate instance.
+      crlEntry.getEncoded((err, data) => {
         if (err != null) {
-            // 获取序列化数据失败
-            console.log("getEncoded failed, errCode: " + err.code + ", errMsg: " + err.message);
+          // Failed to obtain the serialized data of the certificate.
+          console.error('getEncoded failed, errCode: ' + err.code + ', errMsg: ' + err.message);
         } else {
-            // 获取序列化数据成功
-            console.log("getEncoded success");
+          // The serialized data of the certificate is successfully obtained.
+          console.log('getEncoded success');
         }
-    });
+      });
+    } catch (error) {
+      let e: BusinessError = error as BusinessError;
+      console.error('getRevokedCert failed, errCode: ' + e.code + ', errMsg: ' + e.message);
+    }
+  })
 }
 ```
 
diff --git a/zh-cn/application-dev/security/cryptoFramework-guidelines.md b/zh-cn/application-dev/security/cryptoFramework-guidelines.md
index 801801eebb5e5e205e3a013585ff03e2a2b69342..79d24d247988602289fd5fa30c219b2a4bfb131a 100644
--- a/zh-cn/application-dev/security/cryptoFramework-guidelines.md
+++ b/zh-cn/application-dev/security/cryptoFramework-guidelines.md
@@ -51,18 +51,19 @@
 
 以使用Promise方式随机生成RSA密钥（1024位，素数个数为2）为例：
 
-```js
+```ts
 import cryptoFramework from '@ohos.security.cryptoFramework';
+import { BusinessError } from '@ohos.base';
 
 function generateAsyKey() {
-  // 创建非对称密钥生成器
+  // Create an AsyKeyGenerator instance.
   let rsaGenerator = cryptoFramework.createAsyKeyGenerator('RSA1024|PRIMES_2');
-  // 通过非对称密钥生成器，随机生成非对称密钥
+  // Use the key generator to randomly generate an asymmetric key pair.
   let keyGenPromise = rsaGenerator.generateKeyPair();
   keyGenPromise.then(keyPair => {
     let pubKey = keyPair.pubKey;
     let priKey = keyPair.priKey;
-    // 获取非对称密钥的二进制数据
+    // Obtain the binary data of the asymmetric key pair.
     let pkBlob = pubKey.getEncoded();
     let skBlob = priKey.getEncoded();
     AlertDialog.show({ message: 'pk bin data' + pkBlob.data });
@@ -81,25 +82,19 @@ function generateAsyKey() {
 
 以使用Promise方式随机生成AES密钥（256位）为例：
 
-```js
+```ts
 import cryptoFramework from '@ohos.security.cryptoFramework';
-
-// 字节流以16进制输出
-function uint8ArrayToShowStr(uint8Array) {
-  return Array.prototype.map
-    .call(uint8Array, (x) => ('00' + x.toString(16)).slice(-2))
-    .join('');
-}
+import { BusinessError } from '@ohos.base';
 
 function testGenerateAesKey() {
-  // 创建对称密钥生成器
+  // Create a SymKeyGenerator instance.
   let symKeyGenerator = cryptoFramework.createSymKeyGenerator('AES256');
-  // 通过密钥生成器随机生成对称密钥
+  // Use the key generator to randomly generate a symmetric key.
   let promiseSymKey = symKeyGenerator.generateSymKey();
   promiseSymKey.then(key => {
-    // 获取对称密钥的二进制数据，输出长度为256bit,以16进制表示，长度为64，即32字节
+    // Obtain the binary data of the symmetric key and output the 256-bit key. The length is 32 bytes.
     let encodedKey = key.getEncoded();
-    console.info('key hex:' + uint8ArrayToShowStr(encodedKey.data));
+    console.info('key hex:' + encodedKey.data);
   })
 }
 ```
@@ -111,13 +106,14 @@ function testGenerateAesKey() {
 1. 获取RSA公钥或私钥二进制数据，公钥需满足ASN.1语法、X.509规范、DER编码格式，私钥需满足ASN.1语法、PKCS#8规范、DER编码格式。
 2. 创建AsyKeyGenerator对象，调用convertKey方法，传入公钥二进制和私钥二进制（二者非必选项，可只传入其中一个），转换为KeyPair对象。
 
-```js
+```ts
 import cryptoFramework from '@ohos.security.cryptoFramework';
+import { BusinessError } from '@ohos.base';
 
 function convertAsyKey() {
   let rsaGenerator = cryptoFramework.createAsyKeyGenerator('RSA1024');
   let pkVal = new Uint8Array([48, 129, 159, 48, 13, 6, 9, 42, 134, 72, 134, 247, 13, 1, 1, 1, 5, 0, 3, 129, 141, 0, 48, 129, 137, 2, 129, 129, 0, 174, 203, 113, 83, 113, 3, 143, 213, 194, 79, 91, 9, 51, 142, 87, 45, 97, 65, 136, 24, 166, 35, 5, 179, 42, 47, 212, 79, 111, 74, 134, 120, 73, 67, 21, 19, 235, 80, 46, 152, 209, 133, 232, 87, 192, 140, 18, 206, 27, 106, 106, 169, 106, 46, 135, 111, 118, 32, 129, 27, 89, 255, 183, 116, 247, 38, 12, 7, 238, 77, 151, 167, 6, 102, 153, 126, 66, 28, 253, 253, 216, 64, 20, 138, 117, 72, 15, 216, 178, 37, 208, 179, 63, 204, 39, 94, 244, 170, 48, 190, 21, 11, 73, 169, 156, 104, 193, 3, 17, 100, 28, 60, 50, 92, 235, 218, 57, 73, 119, 19, 101, 164, 192, 161, 197, 106, 105, 73, 2, 3, 1, 0, 1]);
-  let pkBlob = { data: pkVal };
+  let pkBlob: cryptoFramework.DataBlob = { data: pkVal };
   rsaGenerator.convertKey(pkBlob, null, (err, keyPair) => {
     if (err) {
       AlertDialog.show({ message: 'Convert keyPair fail' });
@@ -139,14 +135,15 @@ function convertAsyKey() {
 1. 获取ECC二进制密钥数据，封装成DataBlob对象。
 2. 调用convertKey方法，传入公钥二进制和私钥二进制（二者非必选项，可只传入其中一个），转换为KeyPair对象。
 
-```js
+```ts
 import cryptoFramework from '@ohos.security.cryptoFramework';
+import { BusinessError } from '@ohos.base';
 
 function convertEccAsyKey() {
   let pubKeyArray = new Uint8Array([48, 89, 48, 19, 6, 7, 42, 134, 72, 206, 61, 2, 1, 6, 8, 42, 134, 72, 206, 61, 3, 1, 7, 3, 66, 0, 4, 83, 96, 142, 9, 86, 214, 126, 106, 247, 233, 92, 125, 4, 128, 138, 105, 246, 162, 215, 71, 81, 58, 202, 121, 26, 105, 211, 55, 130, 45, 236, 143, 55, 16, 248, 75, 167, 160, 167, 106, 2, 152, 243, 44, 68, 66, 0, 167, 99, 92, 235, 215, 159, 239, 28, 106, 124, 171, 34, 145, 124, 174, 57, 92]);
   let priKeyArray = new Uint8Array([48, 49, 2, 1, 1, 4, 32, 115, 56, 137, 35, 207, 0, 60, 191, 90, 61, 136, 105, 210, 16, 27, 4, 171, 57, 10, 61, 123, 40, 189, 28, 34, 207, 236, 22, 45, 223, 10, 189, 160, 10, 6, 8, 42, 134, 72, 206, 61, 3, 1, 7]);
-  let pubKeyBlob = { data: pubKeyArray };
-  let priKeyBlob = { data: priKeyArray };
+  let pubKeyBlob: cryptoFramework.DataBlob = { data: pubKeyArray };
+  let priKeyBlob: cryptoFramework.DataBlob = { data: priKeyArray };
   let generator = cryptoFramework.createAsyKeyGenerator('ECC256');
   generator.convertKey(pubKeyBlob, priKeyBlob, (error, data) => {
     if (error) {
@@ -168,17 +165,11 @@ function convertEccAsyKey() {
 
 以使用callback方式生成3DES密钥（3DES密钥只能为192位）为例：
 
-```js
+```ts
 import cryptoFramework from '@ohos.security.cryptoFramework';
+import { BusinessError } from '@ohos.base';
 
-// 字节流以16进制输出
-function uint8ArrayToShowStr(uint8Array) {
-  return Array.prototype.map
-    .call(uint8Array, (x) => ('00' + x.toString(16)).slice(-2))
-    .join('');
-}
-
-function genKeyMaterialBlob() {
+function genKeyMaterialBlob(): cryptoFramework.DataBlob {
   let arr = [
     0xba, 0x3d, 0xc2, 0x71, 0x21, 0x1e, 0x30, 0x56,
     0xad, 0x47, 0xfc, 0x5a, 0x46, 0x39, 0xee, 0x7c,
@@ -188,23 +179,25 @@ function genKeyMaterialBlob() {
 }
 
 function testConvertSymKey() {
-  // 生成对称密钥生成器
+  // Create a SymKeyGenerator instance.
   let symKeyGenerator = cryptoFramework.createSymKeyGenerator('3DES192');
-  // 根据用户指定的数据，生成对称密钥
+  // Generate a symmetric key based on the specified data.
   let keyMaterialBlob = genKeyMaterialBlob();
   try {
     symKeyGenerator.convertKey(keyMaterialBlob, (error, key) => {
-      if (error) { // 业务逻辑执行错误通过callback的第一个参数返回错误信息,即抛出异步异常
-        console.error(`convertKey error, ${error.code}, ${error.message}`);
+      if (error) { // If the service logic fails to be executed, the first parameter of callback returns error information, that is, an exception is thrown asynchronously.
+        let e: BusinessError = error as BusinessError;
+        console.error(`convertKey error, ${e.code}, ${e.message}`);
         return;
       }
       console.info(`key algName: ${key.algName}`);
       console.info(`key format: ${key.format}`);
-      let encodedKey = key.getEncoded(); // 获取对称密钥的二进制数据，输出长度为192bit的字节流，以16进制表示，长度为48，即24字节
-      console.info('key getEncoded hex: ' + uint8ArrayToShowStr(encodedKey.data));
+      let encodedKey = key.getEncoded(); // Obtain the binary data of the symmetric key and output in bytes array. The length is 24 bytes.
+      console.info('key getEncoded hex: ' + encodedKey.data);
     })
-  } catch (error) { // 参数检查的错误以同步的方式立即抛出异常
-    console.error(`convertKey failed, ${error.code}, ${error.message}`);
+  } catch (error) { // Throw an exception immediately when an error is detected in parameter check.
+    let e: BusinessError = error as BusinessError;
+    console.error(`convertKey failed, ${e.code}, ${e.message}`);
     return;
   }
 }
@@ -224,18 +217,19 @@ function testConvertSymKey() {
 
 以使用Promise方式随机生成SM2密钥（256位）为例：
 
-```js
+```ts
 import cryptoFramework from '@ohos.security.cryptoFramework';
+import { BusinessError } from '@ohos.base';
 
-function generateAsyKey() {
-  // 创建非对称密钥生成器
-  let rsaGenerator = cryptoFramework.createAsyKeyGenerator("SM2_256");
-  // 通过非对称密钥生成器，随机生成非对称密钥
-  let keyGenPromise = rsaGenerator.generateKeyPair();
+function generateSM2Key() {
+  // Create an AsyKeyGenerator instance.
+  let sm2Generator = cryptoFramework.createAsyKeyGenerator("SM2_256");
+  // Use the key generator to randomly generate an asymmetric key pair.
+  let keyGenPromise = sm2Generator.generateKeyPair();
   keyGenPromise.then(keyPair => {
     let pubKey = keyPair.pubKey;
     let priKey = keyPair.priKey;
-    // 获取非对称密钥的二进制数据
+    // Obtain the binary data of the asymmetric key pair.
     let pkBlob = pubKey.getEncoded();
     let skBlob = priKey.getEncoded();
     AlertDialog.show({ message: "pk bin data" + pkBlob.data });
@@ -258,25 +252,19 @@ function generateAsyKey() {
 
 以使用Promise方式随机生成SM4密钥（128位）为例：
 
-```js
+```ts
 import cryptoFramework from '@ohos.security.cryptoFramework';
-
-// 字节流以16进制输出
-function uint8ArrayToShowStr(uint8Array) {
-  return Array.prototype.map
-    .call(uint8Array, (x) => ('00' + x.toString(16)).slice(-2))
-    .join('');
-}
+import { BusinessError } from '@ohos.base';
 
 function testGenerateSM4Key() {
-  // 创建对称密钥生成器
+  // Create a SymKeyGenerator instance.
   let symKeyGenerator = cryptoFramework.createSymKeyGenerator("SM4_128");
-  // 通过密钥生成器随机生成对称密钥
+  // Use the key generator to randomly generate a symmetric key.
   let promiseSymKey = symKeyGenerator.generateSymKey();
   promiseSymKey.then(key => {
-    // 获取对称密钥的二进制数据，输出长度为128bit的字节流，以16进制表示，长度为32，即16字节
+    // Obtain the binary data of the symmetric key and output a 128-bit byte stream. The length is 16 bytes.
     let encodedKey = key.getEncoded();
-    console.info('key hex:' + uint8ArrayToShowStr(encodedKey.data));
+    console.info('key hex:' + encodedKey.data);
   })
 }
 ```
@@ -292,22 +280,23 @@ function testGenerateSM4Key() {
 1. 获取SM2二进制密钥数据，封装成DataBlob对象。
 2. 调用convertKey方法，传入公钥二进制和私钥二进制（二者非必选项，可只传入其中一个），转换为KeyPair对象。
 
-```js
+```ts
 import cryptoFramework from '@ohos.security.cryptoFramework';
+import { BusinessError } from '@ohos.base';
 
 function convertSM2AsyKey() {
-    let pubKeyArray = new Uint8Array([48,89,48,19,6,7,42,134,72,206,61,2,1,6,8,42,129,28,207,85,1,130,45,3,66,0,4,90,3,58,157,190,248,76,7,132,200,151,208,112,230,96,140,90,238,211,155,128,109,248,40,83,214,78,42,104,106,55,148,249,35,61,32,221,135,143,100,45,97,194,176,52,73,136,174,40,70,70,34,103,103,161,99,27,187,13,187,109,244,13,7]);
-    let priKeyArray = new Uint8Array([48,49,2,1,1,4,32,54,41,239,240,63,188,134,113,31,102,149,203,245,89,15,15,47,202,170,60,38,154,28,169,189,100,251,76,112,223,156,159,160,10,6,8,42,129,28,207,85,1,130,45]);
-    let pubKeyBlob = { data: pubKeyArray };
-    let priKeyBlob = { data: priKeyArray };
-    let generator = cryptoFramework.createAsyKeyGenerator("SM2_256");
-    generator.convertKey(pubKeyBlob, priKeyBlob, (error, data) => {
-        if (error) {
-            AlertDialog.show({message : "Convert keypair fail"});
-            return;
-        }
-        AlertDialog.show({message : "Convert KeyPair success"});
-    })
+  let pubKeyArray = new Uint8Array([48, 89, 48, 19, 6, 7, 42, 134, 72, 206, 61, 2, 1, 6, 8, 42, 129, 28, 207, 85, 1, 130, 45, 3, 66, 0, 4, 90, 3, 58, 157, 190, 248, 76, 7, 132, 200, 151, 208, 112, 230, 96, 140, 90, 238, 211, 155, 128, 109, 248, 40, 83, 214, 78, 42, 104, 106, 55, 148, 249, 35, 61, 32, 221, 135, 143, 100, 45, 97, 194, 176, 52, 73, 136, 174, 40, 70, 70, 34, 103, 103, 161, 99, 27, 187, 13, 187, 109, 244, 13, 7]);
+  let priKeyArray = new Uint8Array([48, 49, 2, 1, 1, 4, 32, 54, 41, 239, 240, 63, 188, 134, 113, 31, 102, 149, 203, 245, 89, 15, 15, 47, 202, 170, 60, 38, 154, 28, 169, 189, 100, 251, 76, 112, 223, 156, 159, 160, 10, 6, 8, 42, 129, 28, 207, 85, 1, 130, 45]);
+  let pubKeyBlob: cryptoFramework.DataBlob = { data: pubKeyArray };
+  let priKeyBlob: cryptoFramework.DataBlob = { data: priKeyArray };
+  let generator = cryptoFramework.createAsyKeyGenerator("SM2_256");
+  generator.convertKey(pubKeyBlob, priKeyBlob, (error, data) => {
+    if (error) {
+      AlertDialog.show({ message: "Convert keypair fail" });
+      return;
+    }
+    AlertDialog.show({ message: "Convert KeyPair success" });
+  })
 }
 ```
 
@@ -351,30 +340,39 @@ function convertSM2AsyKey() {
 
 以使用Promise方式根据密钥参数生成ECC密钥为例：
 
-```js
+```ts
 import cryptoFramework from '@ohos.security.cryptoFramework';
+import { BusinessError } from '@ohos.base';
 
-// 打印bigint信息
-function showBigIntInfo(bnName, bnValue) {
-  console.warn(bnName + ":");
-  console.warn(".   十进制： " + bnValue.toString());
-  console.warn(".   16进制: " + bnValue.toString(16));
-  console.warn(".   长度(bits)： " + bnValue.toString(2).length);
+// Print bigint information.
+function showBigIntInfo(bnName: string, bnValue: bigint | string | number) {
+  if (typeof bnValue === 'string') {
+    console.error('type is string');
+    return;
+  }
+  if (typeof bnValue === 'number') {
+    console.error('type is number');
+    return;
+  }
+  console.info(bnName + ":");
+  console.info(". Decimal: " + bnValue.toString());
+  console.info(". Hexadecimal: " + bnValue.toString(16));
+  console.info(". Length (bits): " + bnValue.toString(2).length);
 }
 
-// 根据密钥参数属性，构造ECC公私钥共有参数的sepc结构体
-function genEccCommonSpec() {
-  let fieldFp = {
+// Construct the EccCommonSpec struct based on the key specifications. The EccCommonSpec struct defines the common parameters of the ECC private key and public key.
+function genEccCommonSpec(): cryptoFramework.ECCCommonParamsSpec {
+  let fieldFp: cryptoFramework.ECFieldFp = {
     fieldType: "Fp",
     p: BigInt("0xffffffffffffffffffffffffffffffff000000000000000000000001")
   }
 
-  let G = {
+  let G: cryptoFramework.Point = {
     x: BigInt("0xb70e0cbd6bb4bf7f321390b94a03c1d356c21122343280d6115c1d21"),
     y: BigInt("0xbd376388b5f723fb4c22dfe6cd4375a05a07476444d5819985007e34")
   }
 
-  let eccCommonSpec = {
+  let eccCommonSpec: cryptoFramework.ECCCommonParamsSpec = {
     algName: "ECC",
     specType: cryptoFramework.AsyKeySpecType.COMMON_PARAMS_SPEC,
     field: fieldFp,
@@ -387,8 +385,8 @@ function genEccCommonSpec() {
   return eccCommonSpec;
 }
 
-// 打印ECC密钥参数属性
-function showEccSpecDetailInfo(key, keyType) {
+// Print the ECC key specifications.
+function showEccSpecDetailInfo(key: cryptoFramework.PubKey | cryptoFramework.PriKey, keyType: string) {
   console.info("show detail of " + keyType + ":");
   try {
     let p = key.getAsyKeySpec(cryptoFramework.AsyKeySpecItem.ECC_FP_P_BN);
@@ -432,28 +430,30 @@ function showEccSpecDetailInfo(key, keyType) {
     }
   } catch (error) {
     console.error("getAsyKeySpec error");
-    console.error("error code: " + error.code + ", message is: " + error.message);
+    let e: BusinessError = error as BusinessError;
+    console.error(`getAsyKeySpec failed, ${e.code}, ${e.message}`);
   }
 }
 
-// 测试根据ECC公私钥公共密钥参数生成ECC密钥对，并获得其密钥参数属性
+// Generate an ECC key pair based on the EccCommonSpec instance and obtain the key specifications.
 function testEccUseCommKeySpecGet() {
   try {
-    let commKeySpec = genEccCommonSpec(); // 使用参数属性，构造ECC公私钥公共密钥参数对象
-    let generatorBySpec = cryptoFramework.createAsyKeyGeneratorBySpec(commKeySpec); // 使用密钥参数对象创建生成器
-    let keyPairPromise = generatorBySpec.generateKeyPair(); // 使用生成器创建ECC密钥对
+    let commKeySpec = genEccCommonSpec(); // Construct the EccCommonSpec object.
+    let generatorBySpec = cryptoFramework.createAsyKeyGeneratorBySpec(commKeySpec); // Create an AsyKeyGenerator instance based on the EccCommonSpec object.
+    let keyPairPromise = generatorBySpec.generateKeyPair(); // Generate an ECC key pair.
     keyPairPromise.then(keyPair => {
-      showEccSpecDetailInfo(keyPair.priKey, "priKey"); // 对私钥获取相关密钥参数属性
-      showEccSpecDetailInfo(keyPair.pubKey, "pubKey"); // 对公钥获取相关密钥参数属性
-    }).catch(error => {
-      // 逻辑错误等异步异常在此捕获
+      showEccSpecDetailInfo(keyPair.priKey, "priKey"); // Obtain the ECC specifications of the private key.
+      showEccSpecDetailInfo(keyPair.pubKey, "pubKey"); // Obtain the ECC specifications of the public key.
+    }).catch((error: BusinessError) => {
+      // Capture exceptions such as logic errors asynchronously here.
       console.error("generateComm error");
       console.error("error code: " + error.code + ", message is: " + error.message);
     })
   } catch (error) {
-    // 参数错误等同步异常在此捕获
+    // Capture parameter errors synchronously here.
     console.error("testEccUseCommSpec error");
-    console.error("error code: " + error.code + ", message is: " + error.message);
+    let e: BusinessError = error as BusinessError;
+    console.error(`ecc comm spec failed, ${e.code}, ${e.message}`);
   }
 }
 ```
@@ -467,11 +467,17 @@ function testEccUseCommKeySpecGet() {
 3. 获取密钥对象的密钥参数属性。
 
 以使用Callback方式根据密钥参数生成RSA公钥为例：
-```js
+```ts
+import cryptoFramework from '@ohos.security.cryptoFramework';
+import { BusinessError } from '@ohos.base';
 // RSA公钥密钥参数生成函数
-function genRsaPubKeySpec(nIn: bigint, eIn: bigint) {
-  let rsaCommSpec = { n: nIn, algName: "RSA", specType: cryptoFramework.AsyKeySpecType.COMMON_PARAMS_SPEC };
-  let rsaPubKeySpec = {
+function genRsaPubKeySpec(nIn: bigint, eIn: bigint): cryptoFramework.RSAPubKeySpec {
+  let rsaCommSpec: cryptoFramework.RSACommonParamsSpec = {
+    n: nIn,
+    algName: "RSA",
+    specType: cryptoFramework.AsyKeySpecType.COMMON_PARAMS_SPEC
+  };
+  let rsaPubKeySpec: cryptoFramework.RSAPubKeySpec = {
     params: rsaCommSpec,
     pk: eIn,
     algName: "RSA",
@@ -480,15 +486,23 @@ function genRsaPubKeySpec(nIn: bigint, eIn: bigint) {
   return rsaPubKeySpec;
 }
 
-// 根据密钥参数属性，构造RSA公钥密钥参数对象
+// Construct an RSA public key specifications object based on the key parameters.
 function genRsa2048PubKeySpec() {
   let nIn = BigInt("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");
   let eIn = BigInt("0x010001");
   return genRsaPubKeySpec(nIn, eIn);
 }
 
-// 将RSA公钥密钥参数属性与预期值比较
-function compareRsaPubKeyBySpec(rsaKeySpec, n, e) {
+// Compare the RSA public key specifications with the expected values.
+function compareRsaPubKeyBySpec(rsaKeySpec: cryptoFramework.RSAPubKeySpec, n: bigint | string | number, e: bigint | string | number) {
+  if (typeof n === 'string' || typeof e === 'string') {
+    console.error('type is string');
+    return false;
+  }
+  if (typeof n === 'number' || typeof e === 'number') {
+    console.error('type is number');
+    return false;
+  }
   if (rsaKeySpec.params.n != n) {
     return false;
   }
@@ -498,7 +512,7 @@ function compareRsaPubKeyBySpec(rsaKeySpec, n, e) {
   return true;
 }
 
-// 测试根据RSA公钥密钥参数生成RSA公钥，并获得其密钥参数属性，与预期值做比较
+// Generate an RSA public key based on the RSA public key specifications, obtain the key specifications, and compare the key specifications with the expected values.
 function rsaUsePubKeySpecGetCallback() {
   let rsaPubKeySpec = genRsa2048PubKeySpec();
   let rsaGeneratorSpec = cryptoFramework.createAsyKeyGeneratorBySpec(rsaPubKeySpec);
@@ -559,49 +573,45 @@ function rsaUsePubKeySpecGetCallback() {
 3. 创建加解密生成器。
 4. 通过加解密生成器加密或解密数据。
 
-```js
+```ts
 import cryptoFramework from '@ohos.security.cryptoFramework';
-
-var globalCipher;
-var globalGcmParams;
-var globalKey;
-var globalCipherText;
+import { BusinessError } from '@ohos.base';
 
 function genGcmParamsSpec() {
   let arr = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]; // 12 bytes
   let dataIv = new Uint8Array(arr);
-  let ivBlob = { data: dataIv };
+  let ivBlob: cryptoFramework.DataBlob = { data: dataIv };
 
   arr = [0, 0, 0, 0, 0, 0, 0, 0]; // 8 bytes
   let dataAad = new Uint8Array(arr);
-  let aadBlob = { data: dataAad };
+  let aadBlob: cryptoFramework.DataBlob = { data: dataAad };
 
   arr = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]; // 16 bytes
   let dataTag = new Uint8Array(arr);
-  let tagBlob = { data: dataTag }; // GCM的authTag在加密时从doFinal结果中获取，在解密时填入init函数的params参数中
-
-  let gcmParamsSpec = { iv: ivBlob, aad: aadBlob, authTag: tagBlob, algName: "GcmParamsSpec" };
+  let tagBlob: cryptoFramework.DataBlob = {
+    data: dataTag
+  }; // The GCM authTag is obtained by doFinal() in encryption and passed in params of init() in decryption.
+
+  let gcmParamsSpec: cryptoFramework.GcmParamsSpec = {
+    iv: ivBlob,
+    aad: aadBlob,
+    authTag: tagBlob,
+    algName: "GcmParamsSpec"
+  };
   return gcmParamsSpec;
 }
 
-// 可理解的字符串转成字节流
-function stringToUint8Array(str) {
-  let arr = [];
+// Convert strings in plaintext into byte streams.
+function stringToUint8Array(str: string) {
+  let arr = new Uint8Array(str.length);
   for (let i = 0, j = str.length; i < j; ++i) {
-    arr.push(str.charCodeAt(i));
+    arr[i] = str.charCodeAt(i);
   }
-  return new Uint8Array(arr);
-}
-
-// 字节流以16进制输出
-function uint8ArrayToShowStr(uint8Array) {
-  return Array.prototype.map
-    .call(uint8Array, (x) => ('00' + x.toString(16)).slice(-2))
-    .join('');
+  return arr;
 }
 
-// 字节流转成可理解的字符串
-function uint8ArrayToString(array) {
+// Convert byte streams into strings in plaintext.
+function uint8ArrayToString(array: Uint8Array) {
   let arrayString = '';
   for (let i = 0; i < array.length; i++) {
     arrayString += String.fromCharCode(array[i]);
@@ -611,75 +621,58 @@ function uint8ArrayToString(array) {
 
 // AES GCM模式示例，自动生成密钥（promise写法）
 function testAesGcm() {
-  return new Promise((resolve, reject) => {
-    setTimeout(() => {
-      resolve('testAesGcm');
-    }, 10)
-  }).then(() => {
-    // 生成对称密钥生成器
-    let symAlgName = 'AES128';
-    let symKeyGenerator = cryptoFramework.createSymKeyGenerator(symAlgName);
-    if (symKeyGenerator == null) {
-      console.error('createSymKeyGenerator failed');
-      return;
-    }
-    console.info(`symKeyGenerator algName: ${symKeyGenerator.algName}`);
-    // 通过密钥生成器随机生成128位长度的对称密钥
-    let promiseSymKey = symKeyGenerator.generateSymKey();
-    // 构造参数
-    globalGcmParams = genGcmParamsSpec();
-
-    // 生成加解密生成器
-    let cipherAlgName = 'AES128|GCM|PKCS7';
-    try {
-      globalCipher = cryptoFramework.createCipher(cipherAlgName);
-      console.info(`cipher algName: ${globalCipher.algName}`);
-    } catch (error) {
-      console.error(`createCipher failed, ${error.code}, ${error.message}`);
-      return;
-    }
-    return promiseSymKey;
-  }).then(key => {
-    let encodedKey = key.getEncoded();
-    console.info('key hex:' + uint8ArrayToShowStr(encodedKey.data));
+  let symAlgName = 'AES128';
+  let symKeyGenerator = cryptoFramework.createSymKeyGenerator(symAlgName);
+  console.info(`symKeyGenerator algName: ${symKeyGenerator.algName}`);
+  // Generate GCM parameter specifications.
+  let globalGcmParams = genGcmParamsSpec();
+  // Create a Cipher instance.
+  let cipherAlgName = 'AES128|GCM|PKCS7';
+  let globalCipher = cryptoFramework.createCipher(cipherAlgName);
+  console.info(`cipher algName: ${globalCipher.algName}`);
+  // Use the key generator to randomly generate a 128-bit symmetric key.
+  let globalCipherText: cryptoFramework.DataBlob;
+  let globalKey: cryptoFramework.SymKey;
+  let promiseSymKey = symKeyGenerator.generateSymKey();
+  promiseSymKey.then(key => {
+    // Initialize the Cipher instance and start encryption.
     globalKey = key;
-    return key;
-  }).then(key => {
-    // 初始化加解密操作环境:开始加密
     let mode = cryptoFramework.CryptoMode.ENCRYPT_MODE;
-    let promiseInit = globalCipher.init(mode, key, globalGcmParams); // init
-    return promiseInit;
-  }).then(() => {
-    let plainText = {data : stringToUint8Array('this is test!')};
-    let promiseUpdate = globalCipher.update(plainText); // update
-    return promiseUpdate;
-  }).then(updateOutput => {
-    globalCipherText = updateOutput;
-    let promiseFinal = globalCipher.doFinal(null); // doFinal
-    return promiseFinal;
-  }).then(authTag => {
-    // GCM模式需要从doFinal的输出中取出加密后的认证信息并填入globalGcmParams，在解密时传入init()
-    globalGcmParams.authTag = authTag;
-    return;
-  }).then(() => {
-    // 初始化加解密操作环境:开始解密
-    let mode = cryptoFramework.CryptoMode.DECRYPT_MODE;
-    let promiseInit = globalCipher.init(mode, globalKey, globalGcmParams); // init
-    return promiseInit;
-  }).then(() => {
-    let promiseUpdate = globalCipher.update(globalCipherText); // update
-    return promiseUpdate;
-  }).then(updateOutput => {
-    console.info('decrypt plainText: ' + uint8ArrayToString(updateOutput.data));
-    let promiseFinal = globalCipher.doFinal(null); // doFinal
-    return promiseFinal;
-  }).then(finalOutput => {
-    if (finalOutput == null) { // 使用finalOutput.data前，先判断结果是否为null
-      console.info('GCM finalOutput is null');
-    }
-  }).catch(error => {
-    console.error(`catch error, ${error.code}, ${error.message}`);
+    return globalCipher.init(mode, globalKey, globalGcmParams);
   })
+    .then(() => {
+      let plainText: cryptoFramework.DataBlob = { data: stringToUint8Array('this is test!') };
+      return globalCipher.update(plainText);
+    })
+    .then((updateOutput: cryptoFramework.DataBlob): Promise<cryptoFramework.DataBlob> => {
+      globalCipherText = updateOutput;
+      return globalCipher.doFinal(null);
+    })
+    .then(tag => {
+      // In GCM mode, the encrypted authentication information needs to be obtained from the output of doFinal() and passed in globalGcmParams of init() in decryption.
+      globalGcmParams.authTag = tag;
+      return;
+    })
+    .then(() => {
+      // Initialize the Cipher instance and start decryption.
+      let mode = cryptoFramework.CryptoMode.DECRYPT_MODE;
+      return globalCipher.init(mode, globalKey, globalGcmParams);
+    })
+    .then(() => {
+      return globalCipher.update(globalCipherText); // update
+    })
+    .then((updateOutput: cryptoFramework.DataBlob): Promise<cryptoFramework.DataBlob> => {
+      console.info('decrypt plainText: ' + uint8ArrayToString(updateOutput.data));
+      return globalCipher.doFinal(null);
+    })
+    .then(finalOutput => {
+      if (finalOutput == null) { // Check whether the result is null before using finalOutput.data.
+        console.info('GCM finalOutput is null');
+      }
+    })
+    .catch((error: BusinessError) => {
+      console.error(`catch error, ${error.code}, ${error.message}`);
+    })
 }
 ```
 
@@ -692,32 +685,21 @@ function testAesGcm() {
 3. 创建加解密生成器。
 4. 通过加解密生成器加密或解密数据。
 
-```js
+```ts
 import cryptoFramework from '@ohos.security.cryptoFramework';
+import { BusinessError } from '@ohos.base';
 
-var globalCipher;
-var globalGcmParams;
-var globalKey;
-var globalCipherText;
-
-// 可理解的字符串转成字节流
-function stringToUint8Array(str) {
-  let arr = [];
+// Convert strings in plaintext into byte streams.
+function stringToUint8Array(str: string) {
+  let arr = new Uint8Array(str.length);
   for (let i = 0, j = str.length; i < j; ++i) {
-    arr.push(str.charCodeAt(i));
+    arr[i] = str.charCodeAt(i);
   }
-  return new Uint8Array(arr);
-}
-
-// 字节流以16进制输出
-function uint8ArrayToShowStr(uint8Array) {
-  return Array.prototype.map
-    .call(uint8Array, (x) => ('00' + x.toString(16)).slice(-2))
-    .join('');
+  return arr;
 }
 
-// 字节流转成可理解的字符串
-function uint8ArrayToString(array) {
+// Convert byte streams into strings in plaintext.
+function uint8ArrayToString(array: Uint8Array) {
   let arrayString = '';
   for (let i = 0; i < array.length; i++) {
     arrayString += String.fromCharCode(array[i]);
@@ -725,18 +707,18 @@ function uint8ArrayToString(array) {
   return arrayString;
 }
 
-function genKeyMaterialBlob() {
+function genKeyMaterialBlob(): cryptoFramework.DataBlob {
   let arr = [
     0xba, 0x3d, 0xc2, 0x71, 0x21, 0x1e, 0x30, 0x56,
     0xad, 0x47, 0xfc, 0x5a, 0x46, 0x39, 0xee, 0x7c,
-    0xba, 0x3b, 0xc2, 0x71, 0xab, 0xa0, 0x30, 0x72];    // keyLen = 192 (24 bytes)
+    0xba, 0x3b, 0xc2, 0x71, 0xab, 0xa0, 0x30, 0x72]; // keyLen = 192 (24 bytes)
   let keyMaterial = new Uint8Array(arr);
-  return {data : keyMaterial};
+  return { data: keyMaterial };
 }
 
-// 3DES ECB模式示例，采用已有数据生成密钥（callback写法）
+// Generate a 3DES ECB key from the existing data in callback mode.
 function test3DesEcb() {
-  // 生成对称密钥生成器
+  // Create a SymKeyGenerator instance.
   let symAlgName = '3DES192';
   let symKeyGenerator = cryptoFramework.createSymKeyGenerator(symAlgName);
   if (symKeyGenerator == null) {
@@ -745,17 +727,11 @@ function test3DesEcb() {
   }
   console.info(`symKeyGenerator algName: ${symKeyGenerator.algName}`);
 
-  // 生成加解密生成器
+  // Create a Cipher instance.
   let cipherAlgName = '3DES192|ECB|PKCS7';
-  try {
-    globalCipher = cryptoFramework.createCipher(cipherAlgName);
-    console.info(`cipher algName: ${globalCipher.algName}`);
-  } catch (error) {
-    console.error(`createCipher failed, ${error.code}, ${error.message}`);
-    return;
-  }
+  let globalCipher = cryptoFramework.createCipher(cipherAlgName);
 
-  // 根据指定的数据，生成对称密钥
+  // Generate a symmetric key based on the specified data.
   let keyMaterialBlob = genKeyMaterialBlob();
   try {
     symKeyGenerator.convertKey(keyMaterialBlob, (error, key) => {
@@ -766,31 +742,30 @@ function test3DesEcb() {
       console.info(`key algName: ${key.algName}`);
       console.info(`key format: ${key.format}`);
       let encodedKey = key.getEncoded();
-      console.info('key getEncoded hex: ' + uint8ArrayToShowStr(encodedKey.data));
-      globalKey = key;
+      console.info('key getEncoded: ' + encodedKey.data);
+      let globalKey = key;
 
-      // 初始化加解密操作环境:开始加密
+      // Initialize the Cipher instance and start encryption.
       let mode = cryptoFramework.CryptoMode.ENCRYPT_MODE;
       // init
       globalCipher.init(mode, key, null, (err,) => {
-        let plainText = { data: stringToUint8Array('this is test!') };
+        let plainText: cryptoFramework.DataBlob = { data: stringToUint8Array('this is test!') };
         // update
         globalCipher.update(plainText, (err, updateOutput) => {
-          globalCipherText = updateOutput;
+          let globalCipherText = updateOutput;
           //doFinal
           globalCipher.doFinal(null, (err, finalOutput) => {
-            if (error) {
-              console.error(`doFinal error, ${error.code}, ${error.message}`);
+            if (err) {
+              console.error(`doFinal error, ${err.code}, ${err.message}`);
               return;
             }
             if (finalOutput != null) {
-              globalCipherText = Array.from(globalCipherText.data);
-              finalOutput = Array.from(finalOutput.data);
-              globalCipherText = globalCipherText.concat(finalOutput);
-              globalCipherText = new Uint8Array(globalCipherText);
-              globalCipherText = { data: globalCipherText };
+              let tmpCipherText = Array.from(globalCipherText.data);
+              let tmpFinalOutput = Array.from(finalOutput.data);
+              tmpCipherText = tmpCipherText.concat(tmpFinalOutput);
+              globalCipherText = { data: new Uint8Array(tmpCipherText) };
             }
-            // 初始化加解密操作环境:开始解密
+            // Initialize the Cipher instance and start decryption.
             let mode = cryptoFramework.CryptoMode.DECRYPT_MODE;
             // init
             globalCipher.init(mode, globalKey, null, (err,) => {
@@ -799,7 +774,7 @@ function test3DesEcb() {
                 console.info('decrypt plainText: ' + uint8ArrayToString(updateOutput.data));
                 // doFinal
                 globalCipher.doFinal(null, (error, finalOutput) => {
-                  if (finalOutput != null) { // 使用finalOutput.data前，先判断结果是否为null
+                  if (finalOutput != null) { // Check whether the result is null before using finalOutput.data.
                     console.info('decrypt plainText: ' + uint8ArrayToString(finalOutput.data));
                   }
                 })
@@ -810,7 +785,8 @@ function test3DesEcb() {
       })
     })
   } catch (error) {
-    console.error(`convertKey failed, ${error.code}, ${error.message}`);
+    let e: BusinessError = error as BusinessError;
+    console.error(`3des failed, ${e.code}, ${e.message}`);
     return;
   }
 }
@@ -827,40 +803,45 @@ function test3DesEcb() {
 
 以AES GCM以promise方式，分段update()实现加解密为例：
 
-```js
+```ts
 import cryptoFramework from '@ohos.security.cryptoFramework';
-
-var globalCipher;
-var globalGcmParams;
-var globalKey;
-var globalCipherText;
-var globalPlainText;
+import { BusinessError } from '@ohos.base';
 
 function genGcmParamsSpec() {
-  let arr = [0, 0, 0, 0 , 0, 0, 0, 0, 0, 0 , 0, 0]; // 12 bytes
+  let arr = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]; // 12 bytes
   let dataIv = new Uint8Array(arr);
-  let ivBlob = {data : dataIv};
+  let ivBlob: cryptoFramework.DataBlob = { data: dataIv };
 
-  arr = [0, 0, 0, 0 , 0, 0, 0, 0]; // 8 bytes
+  arr = [0, 0, 0, 0, 0, 0, 0, 0]; // 8 bytes
   let dataAad = new Uint8Array(arr);
-  let aadBlob = {data : dataAad};
+  let aadBlob: cryptoFramework.DataBlob = { data: dataAad };
 
-  arr = [0, 0, 0, 0 , 0, 0, 0, 0, 0, 0, 0, 0 , 0, 0, 0, 0]; // 16 bytes
+  arr = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]; // 16 bytes
   let dataTag = new Uint8Array(arr);
-  let tagBlob = {data : dataTag};
-  let gcmParamsSpec = {iv : ivBlob, aad : aadBlob, authTag : tagBlob, algName : "GcmParamsSpec"};
+  let tagBlob: cryptoFramework.DataBlob = {
+    data: dataTag
+  }; // The GCM authTag is obtained by doFinal() in encryption and passed in params of init() in decryption.
+
+  let gcmParamsSpec: cryptoFramework.GcmParamsSpec = {
+    iv: ivBlob,
+    aad: aadBlob,
+    authTag: tagBlob,
+    algName: "GcmParamsSpec"
+  };
   return gcmParamsSpec;
 }
 
-// 字节流以16进制输出
-function uint8ArrayToShowStr(uint8Array) {
-  return Array.prototype.map
-    .call(uint8Array, (x) => ('00' + x.toString(16)).slice(-2))
-    .join('');
+// Convert strings in plaintext into byte streams.
+function stringToUint8Array(str: string) {
+  let arr = new Uint8Array(str.length);
+  for (let i = 0, j = str.length; i < j; ++i) {
+    arr[i] = str.charCodeAt(i);
+  }
+  return arr;
 }
 
-// 字节流转成可理解的字符串
-function uint8ArrayToString(array) {
+// Convert byte streams into strings in plaintext.
+function uint8ArrayToString(array: Uint8Array) {
   let arrayString = '';
   for (let i = 0; i < array.length; i++) {
     arrayString += String.fromCharCode(array[i]);
@@ -868,63 +849,45 @@ function uint8ArrayToString(array) {
   return arrayString;
 }
 
-// 算法库不限定update的次数和每次加解密的数据量，业务可根据自身内存情况对明文/密文进行多次分段。
 function testAesMultiUpdate() {
-  return new Promise((resolve, reject) => {
-    setTimeout(() => {
-      resolve('testAesMultiUpdate');
-    }, 10)
-  }).then(() => {
-    // 生成对称密钥生成器
-    let symAlgName = 'AES128';
-    let symKeyGenerator = cryptoFramework.createSymKeyGenerator(symAlgName);
-    if (symKeyGenerator == null) {
-      console.error('createSymKeyGenerator failed');
-      return;
-    }
-    console.info(`symKeyGenerator algName: ${symKeyGenerator.algName}`);
-    // 通过密钥生成器随机生成128位长度的对称密钥
-    let promiseSymKey = symKeyGenerator.generateSymKey();
-    // 构造参数
-    globalGcmParams = genGcmParamsSpec();
-
-    // 生成加解密生成器
-    let cipherAlgName = 'AES128|GCM|PKCS7';
-    try {
-      globalCipher = cryptoFramework.createCipher(cipherAlgName);
-      console.info(`cipher algName: ${globalCipher.algName}`);
-    } catch (error) {
-      console.error(`createCipher failed, ${error.code}, ${error.message}`);
-      return;
-    }
-    return promiseSymKey;
+  let symAlgName = 'AES128';
+  let symKeyGenerator = cryptoFramework.createSymKeyGenerator(symAlgName);
+  console.info(`symKeyGenerator algName: ${symKeyGenerator.algName}`);
+  // Generate GCM parameter specifications.
+  let globalGcmParams = genGcmParamsSpec();
+  // Create a Cipher instance.
+  let cipherAlgName = 'AES128|GCM|PKCS7';
+  let globalCipher = cryptoFramework.createCipher(cipherAlgName);
+  console.info(`cipher algName: ${globalCipher.algName}`);
+  // Use the key generator to randomly generate a 128-bit symmetric key.
+  let globalCipherText: cryptoFramework.DataBlob;
+  let globalKey: cryptoFramework.SymKey;
+  let globalPlainText = '';
+  let promiseSymKey = symKeyGenerator.generateSymKey();
+  promiseSymKey.then(key => {
+    // Initialize the Cipher instance and start encryption.
+    globalKey = key;
+    let mode = cryptoFramework.CryptoMode.ENCRYPT_MODE;
+    return globalCipher.init(mode, globalKey, globalGcmParams);
   })
-    .then(key => {
-      let encodedKey = key.getEncoded();
-      console.info('key hex:' + uint8ArrayToShowStr(encodedKey.data));
-      globalKey = key;
-      return key;
-    })
-    .then(key => {
-      // 初始化加解密操作环境:开始加密
-      let mode = cryptoFramework.CryptoMode.ENCRYPT_MODE;
-      let promiseInit = globalCipher.init(mode, key, globalGcmParams); // init
-      return promiseInit;
-    })
     .then(async () => {
-      let plainText = "aaaaa.....bbbbb.....ccccc.....ddddd.....eee"; // 假设明文总共43字节
-      let messageArr = [];
-      let updateLength = 20; // 假设每20字节分段update一次
-      globalCipherText = [];
+      let plainText = "aaaaa.....bbbbb.....ccccc.....ddddd.....eee"; // Assume that the plaintext is of 43 bytes.
+      let messageArr: number[] = [];
+      let updateLength = 20; // Pass in 20 bytes by update() each time.
+      let tmpCipherText = new Uint8Array();
 
       for (let i = 0; i <= plainText.length; i++) {
         if ((i % updateLength == 0 || i == plainText.length) && messageArr.length != 0) {
           let message = new Uint8Array(messageArr);
-          let messageBlob = { data: message };
-          let updateOutput = await globalCipher.update(messageBlob); // 分段update
-          // 把update的结果拼接起来，得到密文（有些情况下还需拼接doFinal的结果，这取决于分组模式
-          // 和填充模式，本例中GCM模式的doFinal结果只包含authTag而不含密文，所以不需要拼接）
-          globalCipherText = globalCipherText.concat(Array.from(updateOutput.data));
+          let messageBlob: cryptoFramework.DataBlob = { data: message };
+          let updateOutput = await globalCipher.update(messageBlob); // Update by segment.
+          // Combine the result of each update() to obtain the ciphertext. In certain cases, the doFinal() results need to be combined, which depends on the cipher block mode
+          // and padding mode you use. In this example, the doFinal() result in GCM mode contains authTag but not ciphertext. Therefore, there is no need to combine the results.
+          let mergeText = new Uint8Array(tmpCipherText.length + updateOutput.data.length);
+          mergeText.set(tmpCipherText);
+          mergeText.set(updateOutput.data, tmpCipherText.length);
+          tmpCipherText = mergeText;
+          // tmpCipherText = tmpCipherText.concat(Array.from(updateOutput.data));
           messageArr = [];
         }
         if (i < plainText.length) {
@@ -933,45 +896,41 @@ function testAesMultiUpdate() {
       }
       return;
     })
-    .then(() => {
-      let promiseFinal = globalCipher.doFinal(null); // doFinal
-      return promiseFinal;
+    .then((): Promise<cryptoFramework.DataBlob> => {
+      return globalCipher.doFinal(null);
     })
-    .then(authTag => {
-      // 获取加密后的认证信息
-      globalGcmParams.authTag = authTag;
+    .then(tag => {
+      // In GCM mode, the encrypted authentication information needs to be obtained from the output of doFinal() and passed in globalGcmParams of init() in decryption.
+      globalGcmParams.authTag = tag;
       return;
     })
     .then(() => {
-      // 初始化加解密操作环境:开始解密
+      // Initialize the Cipher instance and start decryption.
       let mode = cryptoFramework.CryptoMode.DECRYPT_MODE;
-      let promiseInit = globalCipher.init(mode, globalKey, globalGcmParams); // init
-      return promiseInit;
+      return globalCipher.init(mode, globalKey, globalGcmParams);
     })
     .then(async () => {
       let updateLength = 20;
-      let updateTimes = Math.ceil(globalCipherText.length / updateLength); // 上取整
-      globalPlainText = "";
+      let updateTimes = Math.ceil(globalCipherText.data.length / updateLength); // Round up to the nearest integer.
       for (let i = 0; i < updateTimes; i++) {
-        let messageArr = globalCipherText.slice(i * updateLength, (i + 1) * updateLength);
+        let messageArr = globalCipherText.data.slice(i * updateLength, (i + 1) * updateLength);
         let message = new Uint8Array(messageArr);
-        let messageBlob = { data: message };
-        let updateOutput = await globalCipher.update(messageBlob); // 分段update
-        globalPlainText += uint8ArrayToString(updateOutput.data); // 恢复出原始明文
+        let messageBlob: cryptoFramework.DataBlob = { data: message };
+        let updateOutput = await globalCipher.update(messageBlob); // Update by segment.
+        globalPlainText += uint8ArrayToString(updateOutput.data); // Restore the original plaintext.
       }
       return;
     })
-    .then(() => {
-      let promiseFinal = globalCipher.doFinal(null); // doFinal
-      return promiseFinal;
+    .then((): Promise<cryptoFramework.DataBlob> => {
+      return globalCipher.doFinal(null);
     })
     .then(finalOutput => {
-      if (finalOutput == null) {
+      if (finalOutput == null) { // Check whether the result is null before using finalOutput.data.
         console.info('GCM finalOutput is null');
       }
       console.info(`decrypt output: ${globalPlainText}`);
     })
-    .catch(error => {
+    .catch((error: BusinessError) => {
       console.error(`catch error, ${error.code}, ${error.message}`);
     })
 }
@@ -985,99 +944,100 @@ function testAesMultiUpdate() {
 2. 生成Cipher对象。通过createCipher接口创建Cipher对象，执行初始化操作，设置密钥及加解密模式。
 3. 执行加解密操作。通过调用Cipher对象提供的doFinal接口，执行加密操作生成密文或执行解密操作生成明文。
 
-```js
-import cryptoFramework from "@ohos.security.cryptoFramework"
+```ts
+import cryptoFramework from '@ohos.security.cryptoFramework';
+import { BusinessError } from '@ohos.base';
 
 let plan = "This is cipher test.";
 
-// 可理解的字符串转成字节流
-function stringToUint8Array(str) {
-  let arr = [];
+// Convert strings in plaintext into byte streams.
+function stringToUint8Array(str: string) {
+  let arr = new Uint8Array(str.length);
   for (let i = 0, j = str.length; i < j; ++i) {
-    arr.push(str.charCodeAt(i));
+    arr[i] = str.charCodeAt(i);
   }
-  return new Uint8Array(arr);
+  return arr;
 }
 
-// 以Promise方式加密
+// Encrypt the message in promise mode.
 function encryptMessagePromise() {
-  // 生成非对称密钥生成器
+  // Create an AsyKeyGenerator instance.
   let rsaGenerator = cryptoFramework.createAsyKeyGenerator("RSA1024|PRIMES_2");
-  // 生成加解密生成器
+  // Create a Cipher instance.
   let cipher = cryptoFramework.createCipher("RSA1024|PKCS1");
-  // 通过非对称秘钥生成器生成非对称密钥对
+  // Generate an asymmetric key pair using the AsyKeyGenerator instance.
   let keyGenPromise = rsaGenerator.generateKeyPair();
-  keyGenPromise.then(rsaKeyPair => {
+  keyGenPromise.then((rsaKeyPair: cryptoFramework.KeyPair): Promise<void> => {
     let pubKey = rsaKeyPair.pubKey;
-    // 初始化加解密操作环境:使用公钥开始加密
+    // Initialize the Cipher instance and use the public key to encrypt the data.
     return cipher.init(cryptoFramework.CryptoMode.ENCRYPT_MODE, pubKey, null);
   }).then(() => {
     // doFinal
-    let input = { data: stringToUint8Array(plan) };
+    let input: cryptoFramework.DataBlob = { data: stringToUint8Array(plan) };
     return cipher.doFinal(input);
   }).then(dataBlob => {
-    // 获取加密后的信息
+    // Obtain the encrypted data.
     console.info("EncryptOutPut is " + dataBlob.data);
   });
 }
 
-// 以Callback方式加密
+// Encrypt the message in callback mode.
 function encryptMessageCallback() {
-  // 生成非对称密钥生成器
+  // Create an AsyKeyGenerator instance.
   let rsaGenerator = cryptoFramework.createAsyKeyGenerator("RSA1024|PRIMES_2");
-  // 生成加解密生成器
+  // Create a Cipher instance.
   let cipher = cryptoFramework.createCipher("RSA1024|PKCS1");
-  // 通过非对称秘钥生成器生成非对称密钥对
-  rsaGenerator.generateKeyPair(function (err, keyPair) {
+  // Generate an asymmetric key pair using the AsyKeyGenerator instance.
+  rsaGenerator.generateKeyPair((err, keyPair) => {
     let pubKey = keyPair.pubKey;
-    // 初始化加解密操作环境:使用公钥开始加密
-    cipher.init(cryptoFramework.CryptoMode.ENCRYPT_MODE, pubKey, null, function (err, data) {
-      let input = { data: stringToUint8Array(plan) };
+    // Initialize the Cipher instance and use the public key to encrypt the data.
+    cipher.init(cryptoFramework.CryptoMode.ENCRYPT_MODE, pubKey, null, (err, data) => {
+      let input: cryptoFramework.DataBlob = { data: stringToUint8Array(plan) };
       // doFinal
-      cipher.doFinal(input, function (err, data) {
-        // 获取加密后的信息
+      cipher.doFinal(input, (err, data) => {
+        // Obtain the encrypted data.
         console.info("EncryptOutPut is " + data.data);
       })
     })
   })
 }
 
-// 以Promise方式加解密
+// Encrypt and decrypt the message in promise mode.
 function decryptMessagePromise() {
-  // 生成非对称密钥生成器
+  // Create an AsyKeyGenerator instance.
   let rsaGenerator = cryptoFramework.createAsyKeyGenerator("RSA1024|PRIMES_2");
-  // 生成加解密生成器，用于加密
+  // Create a Cipher instance for encryption.
   let cipher = cryptoFramework.createCipher("RSA1024|PKCS1");
-  // 生成加解密生成器，用于解密
+  // Create a Cipher instance for decryption.
   let decoder = cryptoFramework.createCipher("RSA1024|PKCS1");
-  // 通过非对称秘钥生成器生成非对称密钥对
+  // Generate an asymmetric key pair using the AsyKeyGenerator instance.
   let keyGenPromise = rsaGenerator.generateKeyPair();
-  let keyPair;
-  let cipherDataBlob;
-  let input = { data: stringToUint8Array(plan) };
-  keyGenPromise.then(rsaKeyPair => {
+  let keyPair: cryptoFramework.KeyPair;
+  let cipherDataBlob: cryptoFramework.DataBlob;
+  let input: cryptoFramework.DataBlob = { data: stringToUint8Array(plan) };
+  keyGenPromise.then((rsaKeyPair: cryptoFramework.KeyPair): Promise<void> => {
     keyPair = rsaKeyPair;
-    // 初始化加解密操作环境:使用公钥开始加密
+    // Initialize the Cipher instance and use the public key to encrypt the message.
     return cipher.init(cryptoFramework.CryptoMode.ENCRYPT_MODE, keyPair.pubKey, null);
   })
     .then(() => {
-      // 加密doFinal
+      // Call doFinal() to encrypt data.
       return cipher.doFinal(input);
     })
-    .then(dataBlob => {
-      // 获取加密后的信息，并用于解密的入参
+    .then((dataBlob: cryptoFramework.DataBlob): Promise<void> => {
+      // Obtain the encrypted information and use it as the input parameter for decryption.
       console.info("EncryptOutPut is " + dataBlob.data);
       AlertDialog.show({ message: "output" + dataBlob.data });
       cipherDataBlob = dataBlob;
-      // 初始化加解密操作环境:使用私钥开始解密
+      // Initialize the Cipher instance and use the private key to decrypt the message.
       return decoder.init(cryptoFramework.CryptoMode.DECRYPT_MODE, keyPair.priKey, null);
     })
     .then(() => {
-      // 解密doFinal
+      // Call doFinal() to decrypt the message.
       return decoder.doFinal(cipherDataBlob);
     })
     .then(decodeData => {
-      // 验证解密后，数据与原先数据是否保持一致
+      // Check whether the decrypted data is consistent with the original data.
       if (decodeData.data.toString() === input.data.toString()) {
         AlertDialog.show({ message: "decrypt success" });
         return;
@@ -1086,33 +1046,31 @@ function decryptMessagePromise() {
     });
 }
 
-// 以Callback方式加解密
+// Encrypt and decrypt the message in callback mode.
 function decryptMessageCallback() {
-  // 生成非对称密钥生成器
+  // Create an AsyKeyGenerator instance.
   let rsaGenerator = cryptoFramework.createAsyKeyGenerator("RSA1024|PRIMES_2");
-  // 生成加解密生成器，用于加密
+  // Create a Cipher instance for encryption.
   let cipher = cryptoFramework.createCipher("RSA1024|PKCS1");
-  // 生成加解密生成器，用于解密
+  // Create a Cipher instance for decryption.
   let decoder = cryptoFramework.createCipher("RSA1024|PKCS1");
   let plainText = "this is cipher text";
-  let input = { data: stringToUint8Array(plainText) };
-  let cipherData;
-  let keyPair;
-  // 通过非对称秘钥生成器生成非对称密钥对
-  rsaGenerator.generateKeyPair(function (err, newKeyPair) {
-    keyPair = newKeyPair;
-    // 初始化加解密操作环境:使用公钥开始加密
-    cipher.init(cryptoFramework.CryptoMode.ENCRYPT_MODE, keyPair.pubKey, null, function (err, data) {
-      // 加密doFinal
-      cipher.doFinal(input, function (err, data) {
-        // 获取加密后的信息，并用于解密的入参
+  let input: cryptoFramework.DataBlob = { data: stringToUint8Array(plainText) };
+  // Generate an asymmetric key pair using the AsyKeyGenerator instance.
+  rsaGenerator.generateKeyPair((err, newKeyPair) => {
+    let keyPair = newKeyPair;
+    // Initialize the Cipher instance and use the public key to encrypt the message.
+    cipher.init(cryptoFramework.CryptoMode.ENCRYPT_MODE, keyPair.pubKey, null, (err, data) => {
+      // Call doFinal() to encrypt the message.
+      cipher.doFinal(input, (err, data) => {
+        // Obtain the encrypted information and use it as the input parameter for decryption.
         AlertDialog.show({ message: "EncryptOutPut is " + data.data });
-        cipherData = data;
-        // 初始化加解密操作环境:使用私钥开始解密
-        decoder.init(cryptoFramework.CryptoMode.DECRYPT_MODE, keyPair.priKey, null, function (err, data) {
-          // 解密doFinal
-          decoder.doFinal(cipherData, function (err, data) {
-            // 验证解密后，数据与原先数据是否保持一致
+        let cipherData = data;
+        // Initialize the Cipher instance and use the private key to decrypt the message.
+        decoder.init(cryptoFramework.CryptoMode.DECRYPT_MODE, keyPair.priKey, null, (err, data) => {
+          // Call doFinal() to decrypt the message.
+          decoder.doFinal(cipherData, (err, data) => {
+            // Check whether the decrypted data is consistent with the original data.
             if (input.data.toString() === data.data.toString()) {
               AlertDialog.show({ message: "decrype success" });
               return;
@@ -1134,20 +1092,21 @@ function decryptMessageCallback() {
 2. 生成Cipher对象。通过createCipher接口创建Cipher对象，执行初始化操作，设置密钥及加解密模式。
 3. 执行加解密操作。通过调用Cipher对象提供的doFinal接口，执行加密操作生成密文或执行解密操作生成明文，多次调用doFinal实现分段。
 
-```js
-import cryptoFramework from "@ohos.security.cryptoFramework"
+```ts
+import cryptoFramework from '@ohos.security.cryptoFramework';
+import { BusinessError } from '@ohos.base';
 
-// 可理解的字符串转成字节流
-function stringToUint8Array(str) {
-  let arr = [];
+// Convert strings in plaintext into byte streams.
+function stringToUint8Array(str: string) {
+  let arr = new Uint8Array(str.length);
   for (let i = 0, j = str.length; i < j; ++i) {
-    arr.push(str.charCodeAt(i));
+    arr[i] = str.charCodeAt(i);
   }
-  return new Uint8Array(arr);
+  return arr;
 }
 
-// 字节流转成可理解的字符串
-function uint8ArrayToString(array) {
+// Convert byte streams into strings in plaintext.
+function uint8ArrayToString(array: Uint8Array) {
   let arrayString = '';
   for (let i = 0; i < array.length; i++) {
     arrayString += String.fromCharCode(array[i]);
@@ -1157,64 +1116,71 @@ function uint8ArrayToString(array) {
 
 function encryptLongMessagePromise() {
   let globalPlainText = "This is a long plainTest! This is a long plainTest! This is a long plainTest!" +
-  "This is a long plainTest! This is a long plainTest! This is a long plainTest! This is a long plainTest!" +
-  "This is a long plainTest! This is a long plainTest! This is a long plainTest! This is a long plainTest!" +
-  "This is a long plainTest! This is a long plainTest! This is a long plainTest! This is a long plainTest!" +
-  "This is a long plainTest! This is a long plainTest! This is a long plainTest! This is a long plainTest!" +
-  "This is a long plainTest! This is a long plainTest! This is a long plainTest! This is a long plainTest!" +
-  "This is a long plainTest! This is a long plainTest! This is a long plainTest! This is a long plainTest!" +
-  "This is a long plainTest! This is a long plainTest! This is a long plainTest! This is a long plainTest!";
-  let globalCipherOutput;
-  let globalDecodeOutput;
-  var globalKeyPair;
-  let plainTextSplitLen = 64; // RSA每次加解密允许的原文长度大小与密钥位数和填充模式等有关，详细规格内容见overview文档
-  let cipherTextSplitLen = 128; // RSA密钥每次加密生成的密文数据长度计算方式：密钥位数/8
+    "This is a long plainTest! This is a long plainTest! This is a long plainTest! This is a long plainTest!" +
+    "This is a long plainTest! This is a long plainTest! This is a long plainTest! This is a long plainTest!" +
+    "This is a long plainTest! This is a long plainTest! This is a long plainTest! This is a long plainTest!" +
+    "This is a long plainTest! This is a long plainTest! This is a long plainTest! This is a long plainTest!" +
+    "This is a long plainTest! This is a long plainTest! This is a long plainTest! This is a long plainTest!" +
+    "This is a long plainTest! This is a long plainTest! This is a long plainTest! This is a long plainTest!" +
+    "This is a long plainTest! This is a long plainTest! This is a long plainTest! This is a long plainTest!";
+  let globalKeyPair: cryptoFramework.KeyPair;
+  let plainTextSplitLen = 64; // The length of the plaintext to be encrypted or decrypted each time by RSA depends on the number of key bits and padding mode. For details, see the Crypto Framework Overview.
+  let cipherTextSplitLen = 128; // Length of the ciphertext = Number of key bits/8
   let keyGenName = "RSA1024";
   let cipherAlgName = "RSA1024|PKCS1";
-  let asyKeyGenerator = cryptoFramework.createAsyKeyGenerator(keyGenName); // 创建非对称密钥生成器对象
-  let cipher = cryptoFramework.createCipher(cipherAlgName); // 创建加密Cipher对象
-  let decoder = cryptoFramework.createCipher(cipherAlgName); // 创建解密Decoder对象
-  return new Promise((resolve, reject) => {
-    setTimeout(() => {
-      resolve("testRsaMultiDoFinal");
-    }, 10);
-  }).then(() => {
-    return asyKeyGenerator.generateKeyPair(); // 生成rsa密钥
-  }).then(keyPair => {
-    globalKeyPair = keyPair; // 保存到密钥对全局变量
+  let asyKeyGenerator = cryptoFramework.createAsyKeyGenerator(keyGenName); // Create an AsyKeyGenerator object.
+  let cipher = cryptoFramework.createCipher(cipherAlgName); // Create a Cipher object.
+  let decoder = cryptoFramework.createCipher(cipherAlgName); // Create a Decoder object.
+  let keyGenPromise = asyKeyGenerator.generateKeyPair(); // Generate an RSA key pair.
+  let globalCipherText: cryptoFramework.DataBlob;
+
+  keyGenPromise.then((rsaKeyPair: cryptoFramework.KeyPair): Promise<void> => {
+    globalKeyPair = rsaKeyPair; // Save the key pair as a global variable.
     return cipher.init(cryptoFramework.CryptoMode.ENCRYPT_MODE, globalKeyPair.pubKey, null);
-  }).then(async () => {
-    globalCipherOutput = [];
-    // 将原文按64字符进行拆分，循环调用doFinal进行加密，使用1024bit密钥时，每次加密生成128B长度的密文
-    for (let i = 0; i < (globalPlainText.length / plainTextSplitLen); i++) {
-      let tempStr = globalPlainText.substr(i * plainTextSplitLen, plainTextSplitLen);
-      let tempBlob = { data : stringToUint8Array(tempStr) };
-      let tempCipherOutput = await cipher.doFinal(tempBlob);
-      globalCipherOutput = globalCipherOutput.concat(Array.from(tempCipherOutput.data));
-    }
-    console.info(`globalCipherOutput len is ${globalCipherOutput.length}, data is: ${globalCipherOutput.toString()}`);
-    return;
-  }).then(() =>{
-    return decoder.init(cryptoFramework.CryptoMode.DECRYPT_MODE, globalKeyPair.priKey, null);
-  }).then(async() => {
-    globalDecodeOutput = [];
-    // 将密文按128B进行拆分解密，得到原文后进行拼接
-    for (let i = 0; i < (globalCipherOutput.length / cipherTextSplitLen); i++) {
-      let tempBlobData = globalCipherOutput.slice(i * cipherTextSplitLen, (i + 1) * cipherTextSplitLen);
-      let message = new Uint8Array(tempBlobData);
-      let tempBlob = { data : message };
-      let tempDecodeOutput = await decoder.doFinal(tempBlob);
-      globalDecodeOutput += uint8ArrayToString(tempDecodeOutput.data);
-    }
-    if (globalDecodeOutput === globalPlainText) {
-      console.info(`encode and decode success`);
-    } else {
-      console.info(`encode and decode error`);
-    }
-    return;
-  }).catch(error => {
-    console.error(`catch error, ${error.code}, ${error.message}`);
   })
+    .then(async () => {
+      let tmpCipherText = new Uint8Array();
+      // Split the plaintext by 64 characters and cyclically call doFinal() to encrypt the plaintext. If a 1024-bit key is used, 128-byte ciphertext is generated each time.
+      for (let i = 0; i < (globalPlainText.length / plainTextSplitLen); i++) {
+        let tempStr = globalPlainText.substr(i * plainTextSplitLen, plainTextSplitLen);
+        let tempBlob: cryptoFramework.DataBlob = { data: stringToUint8Array(tempStr) };
+        let tempCipherOutput = await cipher.doFinal(tempBlob);
+        let mergeText = new Uint8Array(tmpCipherText.length + tempCipherOutput.data.length);
+        mergeText.set(tmpCipherText);
+        mergeText.set(tempCipherOutput.data, tmpCipherText.length);
+        tmpCipherText = mergeText;
+      }
+      globalCipherText = { data: tmpCipherText };
+      console.info(`globalCipherOutput len is ${tmpCipherText.length}, data is: ${tmpCipherText.toString()}`);
+      return;
+    })
+    .then((): Promise<void> => {
+      return decoder.init(cryptoFramework.CryptoMode.DECRYPT_MODE, globalKeyPair.priKey, null);
+    })
+    .then(async () => {
+      let tmpDecodeText = new Uint8Array();
+      // Split and decrypt the ciphertext by 128 bytes, and combine the plaintext obtained each time.
+      for (let i = 0; i < (globalCipherText.data.length / cipherTextSplitLen); i++) {
+        let tempBlobData = globalCipherText.data.slice(i * cipherTextSplitLen, (i + 1) * cipherTextSplitLen);
+        let message = new Uint8Array(tempBlobData);
+        let tempBlob: cryptoFramework.DataBlob = { data: message };
+        let tempDecodeOutput = await decoder.doFinal(tempBlob);
+        let mergeText = new Uint8Array(tmpDecodeText.length + tempDecodeOutput.data.length);
+        mergeText.set(tmpDecodeText);
+        mergeText.set(tempDecodeOutput.data, tmpDecodeText.length);
+        tmpDecodeText = mergeText;
+      }
+      let globalDecodeOutput = uint8ArrayToString(tmpDecodeText);
+      if (globalDecodeOutput === globalPlainText) {
+        console.info(`encode and decode success`);
+      } else {
+        console.info(`encode and decode error`);
+      }
+      return;
+    })
+    .catch((error: BusinessError) => {
+      console.error(`catch error, ${error.code}, ${error.message}`);
+    })
 }
 ```
 
@@ -1232,22 +1198,27 @@ function encryptLongMessagePromise() {
 2. 生成Cipher对象。通过createCipher接口创建Cipher对象，执行初始化操作，设置密钥及加解密模式，在Update前通过setCipherSpec设置PKCS1_OAEP填充字节流P。
 3. 执行加解密操作。通过调用Cipher对象提供的doFinal接口，执行加密操作生成密文或执行解密操作生成明文，需要加解密Cipher对象的字节流P一致。
 
-```js
-import cryptoFramework from "@ohos.security.cryptoFramework"
+```ts
+import cryptoFramework from '@ohos.security.cryptoFramework';
+import { BusinessError } from '@ohos.base';
 
 // 可理解的字符串转成字节流
-function stringToUint8Array(str) {
-  let arr = [];
+function stringToUint8Array(str: string) {
+  let arr = new Uint8Array(str.length);
   for (let i = 0, j = str.length; i < j; ++i) {
-    arr.push(str.charCodeAt(i));
+    arr[i] = str.charCodeAt(i);
   }
-  return new Uint8Array(arr);
+  return arr;
 }
 
 // 根据密钥参数属性构造RSA非对称密钥对密钥参数
 function genRsaKeyPairSpec(nIn: bigint, eIn: bigint, dIn: bigint) {
-  let rsaCommSpec = { n: nIn, algName: "RSA", specType: cryptoFramework.AsyKeySpecType.COMMON_PARAMS_SPEC };
-  let rsaKeyPairSpec = {
+  let rsaCommSpec: cryptoFramework.RSACommonParamsSpec = {
+    n: nIn,
+    algName: "RSA",
+    specType: cryptoFramework.AsyKeySpecType.COMMON_PARAMS_SPEC
+  };
+  let rsaKeyPairSpec: cryptoFramework.RSAKeyPairSpec = {
     params: rsaCommSpec,
     sk: dIn,
     pk: eIn,
@@ -1258,7 +1229,7 @@ function genRsaKeyPairSpec(nIn: bigint, eIn: bigint, dIn: bigint) {
 }
 
 // 生成RSA2048密钥对参数
-function genRsa2048KeyPairSpec() {
+function genRsa2048KeyPairSpec(): cryptoFramework.RSAKeyPairSpec {
   let nIn = BigInt("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");
   let eIn = BigInt("0x010001");
   let dIn = BigInt("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");
@@ -1267,35 +1238,35 @@ function genRsa2048KeyPairSpec() {
 
 function rsaUseSpecDecryptOAEPPromise() {
   let plan = "This is cipher test.";
-  // 获得RSA密钥对密钥参数对象
+  // Obtain the key parameter object of the RSA key pair.
   let rsaKeyPairSpec = genRsa2048KeyPairSpec();
-  // 根据RSA密钥对参数生成RSA密钥对
+  // Generate an RSA key pair based on the RSA key parameters.
   let rsaGeneratorSpec = cryptoFramework.createAsyKeyGeneratorBySpec(rsaKeyPairSpec);
   let keyGenPromise = rsaGeneratorSpec.generateKeyPair();
   let cipher = cryptoFramework.createCipher("RSA|PKCS1_OAEP|SHA256|MGF1_SHA1");
   let decoder = cryptoFramework.createCipher("RSA|PKCS1_OAEP|SHA256|MGF1_SHA1");
-  let keyPair;
-  let cipherDataBlob;
-  // RSA加解密PKCS1-OAEP模式填充字节流P
+  let keyPair: cryptoFramework.KeyPair;
+  let cipherDataBlob: cryptoFramework.DataBlob;
+  // Set the pSource, which defines the encoding input P filled by OAEP.
   let pSource = new Uint8Array([1, 2, 3, 4]);
-  let input = { data: stringToUint8Array(plan) };
-  // 生成密钥
-  keyGenPromise.then(rsaKeyPair => {
+  let input: cryptoFramework.DataBlob = { data: stringToUint8Array(plan) };
+  // Generate the key pair.
+  keyGenPromise.then((rsaKeyPair: cryptoFramework.KeyPair): Promise<void> => {
     keyPair = rsaKeyPair;
-    // 进行加密操作初始化
+    // Initialize the Cipher instance for encryption.
     return cipher.init(cryptoFramework.CryptoMode.ENCRYPT_MODE, keyPair.pubKey, null);
   })
     .then(() => {
-      // get和set操作可以放在Cipher对象init之后，此处对cipher进行set和get操作
+      // Set and obtain the cipher specifications after the initialization.
       cipher.setCipherSpec(cryptoFramework.CipherSpecItem.OAEP_MGF1_PSRC_UINT8ARR, pSource);
       let retP = cipher.getCipherSpec(cryptoFramework.CipherSpecItem.OAEP_MGF1_PSRC_UINT8ARR);
-      // 比较get出来的P字节流与set进去的P字节流是否一致
+      // Check whether the obtained PSource is the same as the PSource set.
       if (retP.toString() != pSource.toString()) {
         AlertDialog.show({ message: "error init pSource" + retP });
       } else {
         console.info("pSource changed ==" + retP);
       }
-      // 进行OAEP其他参数的get操作
+      // Obtain other OAEP parameters.
       let md = cipher.getCipherSpec(cryptoFramework.CipherSpecItem.OAEP_MD_NAME_STR);
       console.info("md == " + md);
       let mgf = cipher.getCipherSpec(cryptoFramework.CipherSpecItem.OAEP_MGF_NAME_STR);
@@ -1304,33 +1275,33 @@ function rsaUseSpecDecryptOAEPPromise() {
       console.info("mgf1Md == " + mgf1Md);
       return cipher.doFinal(input);
     })
-    .then(dataBlob => {
+    .then((dataBlob: cryptoFramework.DataBlob): Promise<void> => {
       console.info("EncryptOutPut is " + dataBlob.data);
       cipherDataBlob = dataBlob;
-      // get和set操作可以放在Cipher对象init之前，且与init之后等价，此处对decoder进行set和get操作
+      // The get() and set() operations can be performed before the init() operation of the Cipher object and are equivalent to those after the init() operation. For example, set and get the decoder.
       decoder.setCipherSpec(cryptoFramework.CipherSpecItem.OAEP_MGF1_PSRC_UINT8ARR, pSource);
       let retP = decoder.getCipherSpec(cryptoFramework.CipherSpecItem.OAEP_MGF1_PSRC_UINT8ARR);
-      // 比较get出来的P字节流与set进去的P字节流是否一致
+      // Check whether the obtained PSource is the same as the PSource set.
       if (retP.toString() != pSource.toString()) {
         AlertDialog.show({ message: "error init pSource" + retP });
       } else {
         console.info("pSource changed ==" + retP);
       }
-      // 进行OAEP其他参数的get操作
+      // Obtain other OAEP parameters.
       let md = decoder.getCipherSpec(cryptoFramework.CipherSpecItem.OAEP_MD_NAME_STR);
       console.info("md == " + md);
       let mgf = decoder.getCipherSpec(cryptoFramework.CipherSpecItem.OAEP_MGF_NAME_STR);
       console.info("mgf == " + mgf);
       let mgf1Md = decoder.getCipherSpec(cryptoFramework.CipherSpecItem.OAEP_MGF1_MD_STR);
       console.info("mgf1Md == " + mgf1Md);
-      // 初始化解密操作
+      // Initialize the decryption operation.
       return decoder.init(cryptoFramework.CryptoMode.DECRYPT_MODE, keyPair.priKey, null);
     })
     .then(() => {
       return decoder.doFinal(cipherDataBlob);
     })
     .then(decodeData => {
-      // 解密成功
+      // The decryption is successful.
       if (decodeData.data.toString() === input.data.toString()) {
         console.info("oaep decrypt success");
         AlertDialog.show({ message: " oaep decrypt success" });
@@ -1353,99 +1324,100 @@ function rsaUseSpecDecryptOAEPPromise() {
 2. 生成Cipher对象。通过createCipher接口创建Cipher对象，执行初始化操作，设置密钥及加解密模式。
 3. 执行加解密操作。通过调用Cipher对象提供的doFinal接口，执行加密操作生成密文或执行解密操作生成明文。
 
-```js
-import cryptoFramework from "@ohos.security.cryptoFramework"
+```ts
+import cryptoFramework from '@ohos.security.cryptoFramework';
+import { BusinessError } from '@ohos.base';
 
 let plan = "This is cipher test.";
 
-// 可理解的字符串转成字节流
-function stringToUint8Array(str) {
-  let arr = [];
+// Convert strings in plaintext into byte streams.
+function stringToUint8Array(str: string) {
+  let arr = new Uint8Array(str.length);
   for (let i = 0, j = str.length; i < j; ++i) {
-    arr.push(str.charCodeAt(i));
+    arr[i] = str.charCodeAt(i);
   }
-  return new Uint8Array(arr);
+  return arr;
 }
 
 // 以Promise方式加密
 function encryptMessagePromise() {
-  // 生成非对称密钥生成器
+  // Create an AsyKeyGenerator instance.
   let sm2Generator = cryptoFramework.createAsyKeyGenerator("SM2_256");
-  // 生成加解密生成器
+  // Create a Cipher instance.
   let cipher = cryptoFramework.createCipher("SM2_256|SM3");
-  // 通过非对称秘钥生成器生成非对称密钥对
+  // Generate an asymmetric key pair using the AsyKeyGenerator instance.
   let keyGenPromise = sm2Generator.generateKeyPair();
-  keyGenPromise.then(sm2KeyPair => {
+  keyGenPromise.then((sm2KeyPair: cryptoFramework.KeyPair): Promise<void> => {
     let pubKey = sm2KeyPair.pubKey;
-    // 初始化加解密操作环境:使用公钥开始加密
+    // Initialize the Cipher instance and use the public key to encrypt the message.
     return cipher.init(cryptoFramework.CryptoMode.ENCRYPT_MODE, pubKey, null);
   }).then(() => {
     // doFinal
-    let input = { data: stringToUint8Array(plan) };
+    let input: cryptoFramework.DataBlob = { data: stringToUint8Array(plan) };
     return cipher.doFinal(input);
   }).then(dataBlob => {
-    // 获取加密后的信息
+    // Obtain the encrypted data.
     console.info("EncryptOutPut is " + dataBlob.data);
   });
 }
 
-// 以Callback方式加密
+// Encrypt the message in callback mode.
 function encryptMessageCallback() {
-  // 生成非对称密钥生成器
+  // Create an AsyKeyGenerator instance.
   let sm2Generator = cryptoFramework.createAsyKeyGenerator("SM2_256");
-  // 生成加解密生成器
+  // Create a Cipher instance.
   let cipher = cryptoFramework.createCipher("SM2_256|SM3");
-  // 通过非对称秘钥生成器生成非对称密钥对
-  sm2Generator.generateKeyPair(function (err, keyPair) {
+  // Generate an asymmetric key pair using the AsyKeyGenerator instance.
+  sm2Generator.generateKeyPair((err, keyPair) => {
     let pubKey = keyPair.pubKey;
-    // 初始化加解密操作环境:使用公钥开始加密
-    cipher.init(cryptoFramework.CryptoMode.ENCRYPT_MODE, pubKey, null, function (err, data) {
-      let input = { data: stringToUint8Array(plan) };
+    // Initialize the Cipher instance and use the public key to encrypt the message.
+    cipher.init(cryptoFramework.CryptoMode.ENCRYPT_MODE, pubKey, null, (err, data) => {
+      let input: cryptoFramework.DataBlob = { data: stringToUint8Array(plan) };
       // doFinal
-      cipher.doFinal(input, function (err, data) {
-        // 获取加密后的信息
+      cipher.doFinal(input, (err, data) => {
+        // Obtain the encrypted data.
         console.info("EncryptOutPut is " + data.data);
       })
     })
   })
 }
 
-// 以Promise方式加解密
+// Encrypt and decrypt data in promise mode.
 function decryptMessagePromise() {
-  // 生成非对称密钥生成器
+  // Create an AsyKeyGenerator instance.
   let sm2Generator = cryptoFramework.createAsyKeyGenerator("SM2_256");
-  // 生成加解密生成器，用于加密
+  // Create a Cipher instance for encryption.
   let cipher = cryptoFramework.createCipher("SM2_256|SM3");
-  // 生成加解密生成器，用于解密
+  // Create a Cipher instance for decryption.
   let decoder = cryptoFramework.createCipher("SM2_256|SM3");
-  // 通过非对称秘钥生成器生成非对称密钥对
+  // Generate an asymmetric key pair using the AsyKeyGenerator instance.
   let keyGenPromise = sm2Generator.generateKeyPair();
-  let keyPair;
-  let cipherDataBlob;
-  let input = { data: stringToUint8Array(plan) };
-  keyGenPromise.then(rsaKeyPair => {
+  let keyPair: cryptoFramework.KeyPair;
+  let cipherDataBlob: cryptoFramework.DataBlob;
+  let input: cryptoFramework.DataBlob = { data: stringToUint8Array(plan) };
+  keyGenPromise.then((rsaKeyPair: cryptoFramework.KeyPair): Promise<void> => {
     keyPair = rsaKeyPair;
-    // 初始化加解密操作环境:使用公钥开始加密
+    // Initialize the Cipher instance and use the public key to encrypt the data.
     return cipher.init(cryptoFramework.CryptoMode.ENCRYPT_MODE, keyPair.pubKey, null);
   })
     .then(() => {
-      // 加密doFinal
+      // Call doFinal() to encrypt data.
       return cipher.doFinal(input);
     })
-    .then(dataBlob => {
-      // 获取加密后的信息，并用于解密的入参
+    .then((dataBlob: cryptoFramework.DataBlob): Promise<void> => {
+      // Obtain the encrypted information and use it as the input parameter for decryption.
       console.info("EncryptOutPut is " + dataBlob.data);
       AlertDialog.show({ message: "output" + dataBlob.data });
       cipherDataBlob = dataBlob;
-      // 初始化加解密操作环境:使用私钥开始解密
+      // Initialize the Cipher instance and use the private key to decrypt the data.
       return decoder.init(cryptoFramework.CryptoMode.DECRYPT_MODE, keyPair.priKey, null);
     })
     .then(() => {
-      // 解密doFinal
+      // Call doFinal() to decrypt data.
       return decoder.doFinal(cipherDataBlob);
     })
     .then(decodeData => {
-      // 验证解密后，数据与原先数据是否保持一致
+      // Check whether the decrypted data is consistent with the original data.
       if (decodeData.data.toString() === input.data.toString()) {
         AlertDialog.show({ message: "decrypt success" });
         return;
@@ -1454,38 +1426,38 @@ function decryptMessagePromise() {
     });
 }
 
-// 以Callback方式加解密
+// Encrypt and decrypt data in callback mode.
 function decryptMessageCallback() {
-  // 生成非对称密钥生成器
+  // Create an AsyKeyGenerator instance.
   let sm2Generator = cryptoFramework.createAsyKeyGenerator("SM2_256");
-  // 生成加解密生成器，用于加密
+  // Create a Cipher instance for encryption.
   let cipher = cryptoFramework.createCipher("SM2_256|SM3");
-  // 生成加解密生成器，用于解密
+  // Create a Cipher instance for decryption.
   let decoder = cryptoFramework.createCipher("SM2_256|SM3");
   let plainText = "this is cipher text";
-  let input = { data: stringToUint8Array(plainText) };
-  let cipherData;
-  let keyPair;
-  // 通过非对称秘钥生成器生成非对称密钥对
-  sm2Generator.generateKeyPair(function (err, newKeyPair) {
+  let input: cryptoFramework.DataBlob = { data: stringToUint8Array(plainText) };
+  let cipherData: cryptoFramework.DataBlob;
+  let keyPair: cryptoFramework.KeyPair;
+  // Generate an asymmetric key pair using the AsyKeyGenerator instance.
+  sm2Generator.generateKeyPair((err, newKeyPair) => {
     keyPair = newKeyPair;
-    // 初始化加解密操作环境:使用公钥开始加密
-    cipher.init(cryptoFramework.CryptoMode.ENCRYPT_MODE, keyPair.pubKey, null, function (err, data) {
-      // 加密doFinal
-      cipher.doFinal(input, function (err, data) {
-        // 获取加密后的信息，并用于解密的入参
+    // Initialize the Cipher instance and use the public key to encrypt the data.
+    cipher.init(cryptoFramework.CryptoMode.ENCRYPT_MODE, keyPair.pubKey, null, (err, data) => {
+      // Call doFinal() to encrypt data.
+      cipher.doFinal(input, (err, data) => {
+        // Obtain the encrypted information and use it as the input parameter for decryption.
         AlertDialog.show({ message: "EncryptOutPut is " + data.data });
         cipherData = data;
-        // 初始化加解密操作环境:使用私钥开始解密
-        decoder.init(cryptoFramework.CryptoMode.DECRYPT_MODE, keyPair.priKey, null, function (err, data) {
-          // 解密doFinal
-          decoder.doFinal(cipherData, function (err, data) {
-            // 验证解密后，数据与原先数据是否保持一致
+        // Initialize the Cipher instance and use the private key to decrypt the data.
+        decoder.init(cryptoFramework.CryptoMode.DECRYPT_MODE, keyPair.priKey, null, (err, data) => {
+          // Call doFinal() to decrypt data.
+          decoder.doFinal(cipherData, (err, data) => {
+            // Check whether the decrypted data is consistent with the original data.
             if (input.data.toString() === data.data.toString()) {
-              AlertDialog.show({ message: "decrype success" });
+              AlertDialog.show({ message: "decrypt success" });
               return;
             }
-            AlertDialog.show({ message: "decrype fail" });
+            AlertDialog.show({ message: "decrypt fail" });
           });
         });
       });
@@ -1507,19 +1479,21 @@ function decryptMessageCallback() {
 3. 创建加解密生成器。
 4. 通过加解密生成器加密或解密数据。
 
-```js
+```ts
 import cryptoFramework from '@ohos.security.cryptoFramework';
+import { BusinessError } from '@ohos.base';
 
-function stringToUint8Array(str) {
-	let arr = [];
-	for (let i = 0, j = str.length; i < j; ++i) {
-	arr.push(str.charCodeAt(i));
-	}
-	return new Uint8Array(arr);
+// Convert strings in plaintext into byte streams.
+function stringToUint8Array(str: string) {
+  let arr = new Uint8Array(str.length);
+  for (let i = 0, j = str.length; i < j; ++i) {
+    arr[i] = str.charCodeAt(i);
+  }
+  return arr;
 }
 
-// 字节流转成可理解的字符串
-function uint8ArrayToString(array) {
+// Convert byte streams into strings in plaintext.
+function uint8ArrayToString(array: Uint8Array) {
   let arrayString = '';
   for (let i = 0; i < array.length; i++) {
     arrayString += String.fromCharCode(array[i]);
@@ -1529,36 +1503,36 @@ function uint8ArrayToString(array) {
 
 // SM4 ECB模式示例，callback写法
 function testSM4Ecb() {
-  // 生成非对称密钥生成器
+  // Create an AsyKeyGenerator instance.
   let sm4Generator = cryptoFramework.createSymKeyGenerator('SM4_128');
-  // 生成加解密生成器，用于加密
+  // Create a Cipher instance for encryption.
   let cipher = cryptoFramework.createCipher("SM4_128|ECB|PKCS7");
-  // 生成加解密生成器，用于解密
+  // Create a Cipher instance for decryption.
   let decoder = cryptoFramework.createCipher("SM4_128|ECB|PKCS7");
   let plainText = "this is cipher text";
-  let input = { data: stringToUint8Array(plainText) };
-  let cipherData;
-  let key;
-  // 通过非对称秘钥生成器生成非对称密钥对
-  sm4Generator.generateSymKey(function (err, newKey) {
+  let input: cryptoFramework.DataBlob = { data: stringToUint8Array(plainText) };
+  let cipherData: cryptoFramework.DataBlob;
+  let key: cryptoFramework.SymKey;
+  // Generate an asymmetric key pair using the AsyKeyGenerator instance.
+  sm4Generator.generateSymKey((err, newKey) => {
     key = newKey;
-    // 初始化加解密操作环境:使用公钥开始加密
-    cipher.init(cryptoFramework.CryptoMode.ENCRYPT_MODE, key, null, function (err, data) {
-      // 加密doFinal
-      cipher.doFinal(input, function (err, data) {
-        // 获取加密后的信息，并用于解密的入参
+    // Initialize the Cipher instance and use the public key to encrypt the data.
+    cipher.init(cryptoFramework.CryptoMode.ENCRYPT_MODE, key, null, (err, data) => {
+      // Call doFinal() to encrypt data.
+      cipher.doFinal(input, (err, data) => {
+        // Obtain the encrypted information and use it as the input parameter for decryption.
         AlertDialog.show({ message: "EncryptOutPut is " + data.data });
         cipherData = data;
-        // 初始化加解密操作环境:使用私钥开始解密
-        decoder.init(cryptoFramework.CryptoMode.DECRYPT_MODE, key, null, function (err, data) {
-          // 解密doFinal
-          decoder.doFinal(cipherData, function (err, data) {
-            // 验证解密后，数据与原先数据是否保持一致
+        // Initialize the Cipher instance and use the private key to decrypt the data.
+        decoder.init(cryptoFramework.CryptoMode.DECRYPT_MODE, key, null, (err, data) => {
+          // Call doFinal() to decrypt data.
+          decoder.doFinal(cipherData, (err, data) => {
+            // Check whether the decrypted data is consistent with the original data.
             if (input.data.toString() === data.data.toString()) {
-              AlertDialog.show({ message: "decrype success" });
+              AlertDialog.show({ message: "decrypt success" });
               return;
             }
-            AlertDialog.show({ message: "decrype fail" });
+            AlertDialog.show({ message: "decrypt fail" });
           });
         });
       });
@@ -1617,28 +1591,29 @@ function testSM4Ecb() {
 4. 生成Verify对象。通过createVerify接口创建Verify对象，执行初始化操作并设置验签公钥。
 5. 执行验签操作。通过Verify类提供的update接口，添加签名数据，并调用verify接口传入签名进行验签。
 
-```js
-import cryptoFramework from "@ohos.security.cryptoFramework"
+```ts
+import cryptoFramework from '@ohos.security.cryptoFramework';
+import { BusinessError } from '@ohos.base';
 
 // 可理解的字符串转成字节流
-function stringToUint8Array(str) {
-  let arr = [];
+function stringToUint8Array(str: string) {
+  let arr = new Uint8Array(str.length);
   for (let i = 0, j = str.length; i < j; ++i) {
-    arr.push(str.charCodeAt(i));
+    arr[i] = str.charCodeAt(i);
   }
-  return new Uint8Array(arr);
+  return arr;
 }
 
-let globalKeyPair;
-let SignMessageBlob;
+let globalKeyPair: cryptoFramework.KeyPair;
+let SignMessageBlob: cryptoFramework.DataBlob;
 let plan1 = "This is Sign test plan1";
 let plan2 = "This is Sign test plan1";
-let input1 = { data: stringToUint8Array(plan1) };
-let input2 = { data: stringToUint8Array(plan2) };
+let input1: cryptoFramework.DataBlob = { data: stringToUint8Array(plan1) };
+let input2: cryptoFramework.DataBlob = { data: stringToUint8Array(plan2) };
 
 function signMessagePromise() {
   let rsaGenerator = cryptoFramework.createAsyKeyGenerator("RSA1024|PRIMES_2");
-  let signer = cryptoFramework.createSign("RSA1024|PKCS1|SHA256"); // API version 10开始，支持"RSA|PKCS1|SHA256"
+  let signer = cryptoFramework.createSign("RSA1024|PKCS1|SHA256"); // From API version 10, a Sign instance can be created by specifying a string parameter defining the key specifications.
   let keyGenPromise = rsaGenerator.generateKeyPair();
   keyGenPromise.then(keyPair => {
     globalKeyPair = keyPair;
@@ -1649,19 +1624,19 @@ function signMessagePromise() {
   }).then(() => {
     return signer.sign(input2);
   }).then(dataBlob => {
-    SignMessageBlob = dataBlob;
-    console.info("sign output is " + SignMessageBlob.data);
+    signMessageBlob = dataBlob;
+    console.info("sign output is " + signMessageBlob.data);
   });
 }
 
-// 调用完sign操作后调用verify
+// Call verify() after sign() is called.
 function verifyMessagePromise() {
   let verifyer = cryptoFramework.createVerify("RSA1024|PKCS1|SHA256");
   let verifyInitPromise = verifyer.init(globalKeyPair.pubKey);
   verifyInitPromise.then(() => {
     return verifyer.update(input1);
   }).then(() => {
-    return verifyer.verify(input2, SignMessageBlob);
+    return verifyer.verify(input2, signMessageBlob);
   }).then(res => {
     console.log("Verify result is " + res);
   });
@@ -1669,27 +1644,27 @@ function verifyMessagePromise() {
 
 function signMessageCallback() {
   let rsaGenerator = cryptoFramework.createAsyKeyGenerator("RSA1024|PRIMES_2");
-  let signer = cryptoFramework.createSign("RSA1024|PKCS1|SHA256"); // API version 10开始，支持"RSA|PKCS1|SHA256"
-  rsaGenerator.generateKeyPair(function (err, keyPair) {
+  let signer = cryptoFramework.createSign("RSA1024|PKCS1|SHA256"); // From API version 10, a Sign instance can be created by specifying a string parameter defining the key specifications.
+  rsaGenerator.generateKeyPair((err, keyPair) => {
     globalKeyPair = keyPair;
     let priKey = globalKeyPair.priKey;
     signer.init(priKey, err => {
       signer.update(input1, err => {
         signer.sign(input2, (err, data) => {
-          SignMessageBlob = data;
-          console.info("sign output is " + SignMessageBlob.data);
+          signMessageBlob = data;
+          console.info("sign output is " + signMessageBlob.data);
         });
       });
     });
   });
 }
 
-// 调用完sign操作后调用verify
+// Call verify() after sign() is called.
 function verifyMessageCallback() {
   let verifyer = cryptoFramework.createVerify("RSA1024|PKCS1|SHA256");
   verifyer.init(globalKeyPair.pubKey, err => {
     verifyer.update(input1, err => {
-      verifyer.verify(input2, SignMessageBlob, function (err, data) {
+      verifyer.verify(input2, signMessageBlob, (err, data) => {
         console.info("verify result is " + data);
       });
     });
@@ -1707,24 +1682,25 @@ function verifyMessageCallback() {
 4. 生成Verify对象。通过createVerify接口创建Verify对象，执行初始化操作并设置验签公钥。
 5. 执行验签操作。通过Verify类提供的update接口，添加签名数据，并调用doFinal接口传入签名进行验签。
 
-```js
-import cryptoFramework from "@ohos.security.cryptoFramework"
+```ts
+import cryptoFramework from '@ohos.security.cryptoFramework';
+import { BusinessError } from '@ohos.base';
 
 // 可理解的字符串转成字节流
-function stringToUint8Array(str) {
-  let arr = [];
+function stringToUint8Array(str: string) {
+  let arr = new Uint8Array(str.length);
   for (let i = 0, j = str.length; i < j; ++i) {
-    arr.push(str.charCodeAt(i));
+    arr[i] = str.charCodeAt(i);
   }
-  return new Uint8Array(arr);
+  return arr;
 }
 
-let globalKeyPair;
-let SignMessageBlob;
+let globalKeyPair: cryptoFramework.KeyPair;
+let SignMessageBlob: cryptoFramework.DataBlob;
 let plan1 = "This is Sign test plan1";
 let plan2 = "This is Sign test plan1";
-let input1 = { data: stringToUint8Array(plan1) };
-let input2 = { data: stringToUint8Array(plan2) };
+let input1: cryptoFramework.DataBlob = { data: stringToUint8Array(plan1) };
+let input2: cryptoFramework.DataBlob = { data: stringToUint8Array(plan2) };
 
 function signMessagePromise() {
   let eccGenerator = cryptoFramework.createAsyKeyGenerator("ECC256");
@@ -1739,8 +1715,8 @@ function signMessagePromise() {
   }).then(() => {
     return signer.sign(input2);
   }).then(dataBlob => {
-    SignMessageBlob = dataBlob;
-    console.info("sign output is " + SignMessageBlob.data);
+    signMessageBlob = dataBlob;
+    console.info("sign output is " + signMessageBlob.data);
   });
 }
 
@@ -1750,7 +1726,7 @@ function verifyMessagePromise() {
   verifyInitPromise.then(() => {
     return verifyer.update(input1);
   }).then(() => {
-    return verifyer.verify(input2, SignMessageBlob);
+    return verifyer.verify(input2, signMessageBlob);
   }).then(res => {
     console.log("Verify result is " + res);
   });
@@ -1759,14 +1735,14 @@ function verifyMessagePromise() {
 function signMessageCallback() {
   let eccGenerator = cryptoFramework.createAsyKeyGenerator("ECC256");
   let signer = cryptoFramework.createSign("ECC256|SHA256");
-  eccGenerator.generateKeyPair(function (err, keyPair) {
+  eccGenerator.generateKeyPair((err, keyPair) => {
     globalKeyPair = keyPair;
     let priKey = globalKeyPair.priKey;
     signer.init(priKey, err => {
       signer.update(input1, err => {
         signer.sign(input2, (err, data) => {
-          SignMessageBlob = data;
-          console.info("sign output is " + SignMessageBlob.data);
+          signMessageBlob = data;
+          console.info("sign output is " + signMessageBlob.data);
         });
       });
     });
@@ -1777,7 +1753,7 @@ function verifyMessageCallback() {
   let verifyer = cryptoFramework.createVerify("ECC256|SHA256");
   verifyer.init(globalKeyPair.pubKey, err => {
     verifyer.update(input1, err => {
-      verifyer.verify(input2, SignMessageBlob, function (err, data) {
+      verifyer.verify(input2, signMessageBlob, (err, data) => {
         console.info("verify result is " + data);
       });
     });
@@ -1795,69 +1771,75 @@ function verifyMessageCallback() {
 4. 生成Verify对象。通过createVerify接口创建Verify对象，执行初始化操作并设置验签公钥。
 5. 执行验签操作。多次通过Verify类提供的update接口，添加签名数据，并调用verify接口传入签名进行验签，完成分段验签。
 
-```js
-import cryptoFramework from "@ohos.security.cryptoFramework"
+```ts
+import cryptoFramework from '@ohos.security.cryptoFramework';
+import { BusinessError } from '@ohos.base';
 
 // 可理解的字符串转成字节流
-function stringToUint8Array(str) {
-  let arr = [];
+function stringToUint8Array(str: string) {
+  let arr = new Uint8Array(str.length);
   for (let i = 0, j = str.length; i < j; ++i) {
-    arr.push(str.charCodeAt(i));
+    arr[i] = str.charCodeAt(i);
   }
-  return new Uint8Array(arr);
+  return arr;
 }
 
 function signLongMessagePromise() {
   let globalPlainText = "This is a long plainTest! This is a long plainTest! This is a long plainTest!" +
-  "This is a long plainTest! This is a long plainTest! This is a long plainTest! This is a long plainTest!" +
-  "This is a long plainTest! This is a long plainTest! This is a long plainTest! This is a long plainTest!" +
-  "This is a long plainTest! This is a long plainTest! This is a long plainTest! This is a long plainTest!" +
-  "This is a long plainTest! This is a long plainTest! This is a long plainTest! This is a long plainTest!" +
-  "This is a long plainTest! This is a long plainTest! This is a long plainTest! This is a long plainTest!" +
-  "This is a long plainTest! This is a long plainTest! This is a long plainTest! This is a long plainTest!" +
-  "This is a long plainTest! This is a long plainTest! This is a long plainTest! This is a long plainTest!";
-  let globalSignData;
-  let textSplitLen = 64; // 自定义的数据拆分长度
+    "This is a long plainTest! This is a long plainTest! This is a long plainTest! This is a long plainTest!" +
+    "This is a long plainTest! This is a long plainTest! This is a long plainTest! This is a long plainTest!" +
+    "This is a long plainTest! This is a long plainTest! This is a long plainTest! This is a long plainTest!" +
+    "This is a long plainTest! This is a long plainTest! This is a long plainTest! This is a long plainTest!" +
+    "This is a long plainTest! This is a long plainTest! This is a long plainTest! This is a long plainTest!" +
+    "This is a long plainTest! This is a long plainTest! This is a long plainTest! This is a long plainTest!" +
+    "This is a long plainTest! This is a long plainTest! This is a long plainTest! This is a long plainTest!";
+  let globalSignData: Uint8Array;
+  let textSplitLen = 64; // Customized data splitting length.
   let keyGenName = "RSA1024";
   let signAlgName = "RSA1024|PKCS1|SHA256";
-  let globalKeyPair;
-  let asyKeyGenerator = cryptoFramework.createAsyKeyGenerator(keyGenName); // 创建非对称密钥生成器对象
-  let signer = cryptoFramework.createSign(signAlgName); // 创建签名Signer对象
-  let verifier = cryptoFramework.createVerify(signAlgName); // 创建验签Verifier对象
-  return new Promise((resolve, reject) => {
-    setTimeout(() => {
-      resolve("testRsaMultiUpdate");
-    }, 10);
-  }).then(() => {
-    return asyKeyGenerator.generateKeyPair(); // 生成RSA密钥
-  }).then(keyPair => {
-    globalKeyPair = keyPair; // 保存到密钥对全局变量
+  let globalKeyPair: cryptoFramework.KeyPair;
+  let asyKeyGenerator = cryptoFramework.createAsyKeyGenerator(keyGenName); // Create an AsyKeyGenerator object.
+  let signer = cryptoFramework.createSign(signAlgName); // Create a Signer instance.
+  let verifier = cryptoFramework.createVerify(signAlgName); // Create a Verifier instance.
+  let keyGenPromise = asyKeyGenerator.generateKeyPair();
+  keyGenPromise.then((rsaKeyPair: cryptoFramework.KeyPair): Promise<void> => {
+    globalKeyPair = rsaKeyPair; // Save the key pair as a global variable.
     return signer.init(globalKeyPair.priKey);
-  }).then(async () => {
-    // 当原文过大时，可将原文按理想长度进行拆分，循环调用update添加原文
-    for (let i = 0; i < (globalPlainText.length / textSplitLen); i++) {
-      let tempStr = globalPlainText.substr(i * textSplitLen, textSplitLen);
-      let tempBlob = { data : stringToUint8Array(tempStr) };
-      await signer.update(tempBlob);
-    }
-    return signer.sign(null);
-  }).then(data =>{
-    globalSignData = data.data;
-    console.info(`globalSignOutput len is ${globalSignData.length}, data is: ${globalSignData.toString()}`);
-    return verifier.init(globalKeyPair.pubKey);
-  }).then(async() => {
-    // 当原文过大时，可将原文按理想长度进行拆分，循环调用update添加原文
-    for (let i = 0; i < (globalPlainText.length / textSplitLen); i++) {
-      let tempData = globalPlainText.slice(i * textSplitLen, (i + 1) * textSplitLen);
-      let tempBlob = { data : stringToUint8Array(tempData) };
-      await verifier.update(tempBlob);
-    }
-    return verifier.verify(null, { data : globalSignData});
-  }).then(res => {
-    console.info(`verify res is ${res}`);
-  }).catch(error => {
-    console.error(`catch error, ${error.code}, ${error.message}`);
   })
+    .then(async (): Promise<void> => {
+      // If the plaintext is too large, split the plaintext based on the specified length and cyclically call update() to pass in the plaintext.
+      for (let i = 0; i < (globalPlainText.length / textSplitLen); i++) {
+        let tempStr = globalPlainText.substr(i * textSplitLen, textSplitLen);
+        let tempBlob: cryptoFramework.DataBlob = { data: stringToUint8Array(tempStr) };
+        await signer.update(tempBlob);
+      }
+    })
+    .then((): Promise<cryptoFramework.DataBlob> => {
+      return signer.sign(null);
+    })
+    .then((signData: cryptoFramework.DataBlob): Promise<void> => {
+      globalSignData = signData.data;
+      console.info(`globalSignOutput len is ${globalSignData.length}, data is: ${globalSignData.toString()}`);
+      return verifier.init(globalKeyPair.pubKey);
+    })
+    .then(async () => {
+      // If the plaintext is too large, split the plaintext based on the specified length and cyclically call update() to pass in the plaintext.
+      for (let i = 0; i < (globalPlainText.length / textSplitLen); i++) {
+        let tempData = globalPlainText.slice(i * textSplitLen, (i + 1) * textSplitLen);
+        let tempBlob: cryptoFramework.DataBlob = { data: stringToUint8Array(tempData) };
+        await verifier.update(tempBlob);
+      }
+      return;
+    })
+    .then((): Promise<boolean> => {
+      return verifier.verify(null, { data: globalSignData });
+    })
+    .then(res => {
+      console.info(`verify res is ${res}`);
+    })
+    .catch((error: BusinessError) => {
+      console.error(`catch error, ${error.code}, ${error.message}`);
+    })
 }
 ```
 
@@ -1871,22 +1853,36 @@ function signLongMessagePromise() {
 4. 生成Verify对象。通过createVerify接口创建Verify对象，执行初始化操作并设置验签公钥，可以获得、设置PSS模式相关参数，验签成功需要保证盐值长度一致。
 5. 执行验签操作。通过Verify类提供的update接口，添加签名数据，并调用verify接口传入签名进行验签。
 
-```js
-import cryptoFramework from "@ohos.security.cryptoFramework"
+```ts
+import cryptoFramework from '@ohos.security.cryptoFramework';
+import { BusinessError } from '@ohos.base';
 
-// 可理解的字符串转成字节流
-function stringToUint8Array(str) {
-  let arr = [];
+// Convert strings in plaintext into byte streams.
+function stringToUint8Array(str: string) {
+  let arr = new Uint8Array(str.length);
   for (let i = 0, j = str.length; i < j; ++i) {
-    arr.push(str.charCodeAt(i));
+    arr[i] = str.charCodeAt(i);
+  }
+  return arr;
+}
+
+// Convert byte streams into strings in plaintext.
+function uint8ArrayToString(array: Uint8Array) {
+  let arrayString = '';
+  for (let i = 0; i < array.length; i++) {
+    arrayString += String.fromCharCode(array[i]);
   }
-  return new Uint8Array(arr);
+  return arrayString;
 }
 
 // 根据密钥参数属性构造RSA非对称密钥对密钥参数
 function genRsaKeyPairSpec(nIn: bigint, eIn: bigint, dIn: bigint) {
-  let rsaCommSpec = { n: nIn, algName: "RSA", specType: cryptoFramework.AsyKeySpecType.COMMON_PARAMS_SPEC };
-  let rsaKeyPairSpec = {
+  let rsaCommSpec: cryptoFramework.RSACommonParamsSpec = {
+    n: nIn,
+    algName: "RSA",
+    specType: cryptoFramework.AsyKeySpecType.COMMON_PARAMS_SPEC
+  };
+  let rsaKeyPairSpec: cryptoFramework.RSAKeyPairSpec = {
     params: rsaCommSpec,
     sk: dIn,
     pk: eIn,
@@ -1897,7 +1893,7 @@ function genRsaKeyPairSpec(nIn: bigint, eIn: bigint, dIn: bigint) {
 }
 
 // 生成RSA2048密钥对参数
-function genRsa2048KeyPairSpec() {
+function genRsa2048KeyPairSpec(): cryptoFramework.RSAKeyPairSpec {
   let nIn = BigInt("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");
   let eIn = BigInt("0x010001");
   let dIn = BigInt("0x6a7df2ca63ead4dda191d614b6b385e0d9056a3d6d5cfe07db1daabee022db08212d97613d3328e0267c9dd23d787abde2afcb306aeb7dfce69246cc73f5c87fdf06030179a2114b767db1f083ff841c025d7dc00cd82435b9a90f695369e94df23d2ce458bc3b3283ad8bba2b8fa1ba62e2dce9accff3799aae7c840016f3ba8e0048c0b6cc4339af7161003a5beb864a0164b2c1c9237b64bc87556994351b27506c33d4bcdfce0f9c491a7d6b0628c7c852be4f0a9c3132b2ed3a2c8881e9aab07e20e17deb074691be677776a78b5c502e05d9bdde72126b3738695e2dd1a0a98a14247c65d8a7ee79432a092cb0721a12df798e44f7cfce0c498147a9b1");
@@ -1907,21 +1903,21 @@ function genRsa2048KeyPairSpec() {
 function verifyMessageCallbackPSS() {
   let plan1 = "This is Sign test plan1";
   let plan2 = "This is Sign test plan1";
-  let input1 = { data: stringToUint8Array(plan1) };
-  let input2 = { data: stringToUint8Array(plan2) };
-  let globalKeyPair;
-  let signMessageBlob;
-  // 获得RSA密钥对密钥参数对象
+  let input1: cryptoFramework.DataBlob = { data: stringToUint8Array(plan1) };
+  let input2: cryptoFramework.DataBlob = { data: stringToUint8Array(plan2) };
+  let globalKeyPair: cryptoFramework.KeyPair;
+  let signMessageBlob: cryptoFramework.DataBlob;
+  // Obtain the key parameter object of the RSA key pair.
   let rsaKeyPairSpec = genRsa2048KeyPairSpec();
-  // 构造RSA密钥对生成器
+  // Create an RSA key pair generator.
   let rsaGeneratorSpec = cryptoFramework.createAsyKeyGeneratorBySpec(rsaKeyPairSpec);
-  // sign和verfiy均支持RSA密钥带长度/不带长度的写法
+  // Both sign() and verify() support the RSA key with or without the length.
   let signer = cryptoFramework.createSign("RSA|PSS|SHA256|MGF1_SHA256");
   let verifyer = cryptoFramework.createVerify("RSA2048|PSS|SHA256|MGF1_SHA256");
-  rsaGeneratorSpec.generateKeyPair(function (err, keyPair) {
+  rsaGeneratorSpec.generateKeyPair((err, keyPair) => {
     globalKeyPair = keyPair;
     signer.init(globalKeyPair.priKey, err => {
-      // 在签名初始化后，对PSS参数进行set和get操作
+      // After the initialization, set and obtain the PSS parameters.
       let setN = 32;
       signer.setSignSpec(cryptoFramework.SignSpecItem.PSS_SALT_LEN_NUM, setN);
       let saltLen = signer.getSignSpec(cryptoFramework.SignSpecItem.PSS_SALT_LEN_NUM);
@@ -1935,8 +1931,8 @@ function verifyMessageCallbackPSS() {
       let mgf1Md = signer.getSignSpec(cryptoFramework.SignSpecItem.PSS_MGF1_MD_STR);
       console.info("mgf1Md == " + mgf1Md);
       signer.update(input1, err => {
-        signer.sign(input2, function (err, data) {
-          // 在验签初始化前，对PSS参数进行set和get操作，功能与初始化后一致
+        signer.sign(input2, (err, data) => {
+          // Before signature verification initialization, set and obtain PSS parameters. The functions are the same as those after initialization.
           signMessageBlob = data;
           AlertDialog.show({ message: "res" + signMessageBlob.data });
           let setN = 32;
@@ -1953,7 +1949,7 @@ function verifyMessageCallbackPSS() {
           console.info("mgf1Md == " + mgf1Md);
           verifyer.init(globalKeyPair.pubKey, err => {
             verifyer.update(input1, err => {
-              verifyer.verify(input2, signMessageBlob, function (err, data) {
+              verifyer.verify(input2, signMessageBlob, (err, data) => {
                 AlertDialog.show({ message: "res " + data });
               })
             });
@@ -1979,41 +1975,39 @@ function verifyMessageCallbackPSS() {
 4. 生成Verify对象。通过createVerify接口创建Verify对象，执行初始化操作并设置验签公钥。
 5. 执行验签操作。通过Verify类提供的update接口，添加签名数据，并调用doFinal接口传入签名进行验签。
 
-```js
-import cryptoFramework from "@ohos.security.cryptoFramework"
+```ts
+import cryptoFramework from '@ohos.security.cryptoFramework';
+import { BusinessError } from '@ohos.base';
 
-// 可理解的字符串转成字节流
-function stringToUint8Array(str) {
-    var arr = [];
-    for (var i = 0, j = str.length; i < j; ++i) {
-      arr.push(str.charCodeAt(i));
-    }
-    var tmpArray = new Uint8Array(arr);
-    return tmpArray;
+// Convert strings in plaintext into byte streams.
+function stringToUint8Array(str: string) {
+  let arr = new Uint8Array(str.length);
+  for (let i = 0, j = str.length; i < j; ++i) {
+    arr[i] = str.charCodeAt(i);
+  }
+  return arr;
 }
 
 let plan1 = "This is Sign test plan1";
 let plan2 = "This is Sign test plan2";
-let input1 = { data: stringToUint8Array(plan1) };
-let input2 = { data: stringToUint8Array(plan2) };
+let input1: cryptoFramework.DataBlob = { data: stringToUint8Array(plan1) };
+let input2: cryptoFramework.DataBlob = { data: stringToUint8Array(plan2) };
 
 function signAndVerify() {
-  let signMessageBlob;
-  let globalKeyPair;
+  let signMessageBlob: cryptoFramework.DataBlob;
   let sm2Generator = cryptoFramework.createAsyKeyGenerator("SM2_256");
   let signer = cryptoFramework.createSign("SM2_256|SM3");
-  sm2Generator.generateKeyPair(function (err, keyPair) {
-    globalKeyPair = keyPair;
-    let priKey = globalKeyPair.priKey;
+  sm2Generator.generateKeyPair((err, keyPair) => {
+    let priKey = keyPair.priKey;
     signer.init(priKey, err => {
       signer.update(input1, err => {
-        signer.sign(input2, function (err, data) {
+        signer.sign(input2, (err, data) => {
           signMessageBlob = data;
           console.info("sign output is " + signMessageBlob.data);
           let verifyer = cryptoFramework.createVerify("SM2_256|SM3");
-          verifyer.init(globalKeyPair.pubKey, err => {
+          verifyer.init(keyPair.pubKey, err => {
             verifyer.update(input1, err => {
-              verifyer.verify(input2, signMessageBlob, function (err, data) {
+              verifyer.verify(input2, signMessageBlob, (err, data) => {
                 console.info("verify result is " + data);
                 AlertDialog.show({ message: "verify success" })
               });
@@ -2053,21 +2047,22 @@ function signAndVerify() {
 1. 生成ECC密钥。通过createAsyKeyGenerator接口创建AsyKeyGenerator对象，并生成ECC非对称密钥。
 2. 基于ECC密钥的私钥及公钥执行ECDH操作。
 
-```js
-import cryptoFramework from "@ohos.security.cryptoFramework"
+```ts
+import cryptoFramework from '@ohos.security.cryptoFramework';
+import { BusinessError } from '@ohos.base';
 
-let globalKeyPair;
+let globalKeyPair: cryptoFramework.KeyPair;
 
 function ecdhPromise() {
   let eccGenerator = cryptoFramework.createAsyKeyGenerator("ECC256");
-  let eccKeyAgreement = cryptoFramework.createKeyAgreement("ECC256"); // API version 10开始，支持输入"ECC"来进行密钥协商
+  let eccKeyAgreement = cryptoFramework.createKeyAgreement("ECC256"); // ECC is supported for key agreement from API version 10.
   let keyGenPromise = eccGenerator.generateKeyPair();
   keyGenPromise.then(keyPair => {
     globalKeyPair = keyPair;
     return eccKeyAgreement.generateSecret(keyPair.priKey, keyPair.pubKey);
   }).then((secret) => {
     console.info("ecdh output is " + secret.data);
-  }).catch((error) => {
+  }).catch((error: BusinessError) => {
     console.error("ecdh error.");
   });
 }
@@ -2075,9 +2070,9 @@ function ecdhPromise() {
 function ecdhCallback() {
   let eccGenerator = cryptoFramework.createAsyKeyGenerator("ECC256");
   let eccKeyAgreement = cryptoFramework.createKeyAgreement("ECC256");
-  eccGenerator.generateKeyPair(function (err, keyPair) {
+  eccGenerator.generateKeyPair((err, keyPair) => {
     globalKeyPair = keyPair;
-    eccKeyAgreement.generateSecret(keyPair.priKey, keyPair.pubKey, function (err, secret) {
+    eccKeyAgreement.generateSecret(keyPair.priKey, keyPair.pubKey, (err, secret) => {
       if (err) {
         console.error("ecdh error.");
         return;
@@ -2119,60 +2114,49 @@ function ecdhCallback() {
 3. 通过接口`digest`，返回摘要计算结果。
 4. 获取当前摘要算法名与摘要计算长度。
 
-```js
-import cryptoFramework from "@ohos.security.cryptoFramework"
+```ts
+import cryptoFramework from '@ohos.security.cryptoFramework';
+import { BusinessError } from '@ohos.base';
 
-// 可理解的字符串转成字节流
-function stringToUint8Array(str) {
-  let arr = [];
+// Convert strings in plaintext into byte streams.
+function stringToUint8Array(str: string) {
+  let arr = new Uint8Array(str.length);
   for (let i = 0, j = str.length; i < j; ++i) {
-    arr.push(str.charCodeAt(i));
+    arr[i] = str.charCodeAt(i);
   }
-  return new Uint8Array(arr);
+  return arr;
 }
 
 // 以Promise方式完成摘要
 function doMdByPromise() {
-  let mdAlgName = "SHA256"; // 摘要算法名
-  let message = "mdTestMessgae"; // 待摘要数据
-  let md;
-  let mdOutput;
-  try {
-    md = cryptoFramework.createMd(mdAlgName);
-  } catch (error) {
-    console.error("[Promise]: error code: " + error.code + ", message is: " + error.message);
-    return;
-  }
+  let mdAlgName = "SHA256"; // Digest algorithm name.
+  let message = "mdTestMessgae"; // Data to be digested.
+  let md = cryptoFramework.createMd(mdAlgName);
+  ;
   console.info("[Promise]: Md algName is: " + md.algName);
-  // 数据量较少时，可以只做一次update，将数据全部传入，接口未对入参长度做限制
+  // If the data volume is small, you can use update() once to pass in all data. There is no limit on the length of the input parameter.
   let promiseMdUpdate = md.update({ data: stringToUint8Array(message) });
   promiseMdUpdate.then(() => {
-    // 通过digest，返回摘要结果
+    // Call digest() to return the result.
     let PromiseMdDigest = md.digest();
     return PromiseMdDigest;
   }).then(digestOutput => {
-    mdOutput = digestOutput;
+    let mdOutput = digestOutput;
     console.info("[Promise]: MD result: " + mdOutput.data);
     let mdLen = md.getMdLength();
     console.info("[Promise]: MD len: " + mdLen);
-  }).catch(error => {
+  }).catch((error: BusinessError) => {
     console.error("[Promise]: error: " + error.message);
   });
 }
 
 // 以Callback方式完成摘要
 function doMdByCallback() {
-  let mdAlgName = "SHA256"; // 摘要算法名
-  let message = "mdTestMessgae"; // 待摘要数据
-  let md;
-  let mdOutput;
-  try {
-    md = cryptoFramework.createMd(mdAlgName);
-  } catch (error) {
-    console.error("[Callback]: error code: " + error.code + ", message is: " + error.message);
-  }
+  let mdAlgName = "SHA256"; // Digest algorithm name.
+  let message = "mdTestMessgae"; // Data to be digested.
+  let md = cryptoFramework.createMd(mdAlgName);
   console.info("[Callback]: Md algName is: " + md.algName);
-  // 数据量较少时，可以只做一次update，将数据全部传入，接口未对入参长度做限制
+  // If the data volume is small, you can use update() once to pass in all data. There is no limit on the length of the input parameter.
   md.update({ data: stringToUint8Array(message) }, (err,) => {
     if (err) {
       console.error("[Callback]: err: " + err.code);
@@ -2181,7 +2165,7 @@ function doMdByCallback() {
       if (err1) {
         console.error("[Callback]: err: " + err1.code);
       } else {
-        mdOutput = digestOutput;
+        let mdOutput = digestOutput;
         console.info("[Callback]: MD result: " + mdOutput.data);
         let mdLen = md.getMdLength();
         console.info("[Callback]: MD len: " + mdLen);
@@ -2198,59 +2182,55 @@ function doMdByCallback() {
 3. 通过接口`digest`，返回摘要计算结果。
 4. 获取当前摘要算法名与摘要计算长度。
 
-```js
-import cryptoFramework from "@ohos.security.cryptoFramework"
+```ts
+import cryptoFramework from '@ohos.security.cryptoFramework';
+import { BusinessError } from '@ohos.base';
 
 // 可理解的字符串转成字节流
-function stringToUint8Array(str) {
-  let arr = [];
+function stringToUint8Array(str: string) {
+  let arr = new Uint8Array(str.length);
   for (let i = 0, j = str.length; i < j; ++i) {
-    arr.push(str.charCodeAt(i));
+    arr[i] = str.charCodeAt(i);
   }
-  return new Uint8Array(arr);
+  return arr;
 }
 
 // 使用Promise方式，完成分段摘要
 async function doLoopMdPromise() {
-  let mdAlgName = "SHA256"; // 摘要算法名
-  let md;
-  let mdOutput;
-  try {
-    md = cryptoFramework.createMd(mdAlgName);
-  } catch (error) {
-    console.error("[Promise]: error code: " + error.code + ", message is: " + error.message);
-    return;
-  }
+  let mdAlgName = "SHA256"; // Digest algorithm name.
+  let md = cryptoFramework.createMd(mdAlgName);
+  ;
   console.info("[Promise]: Md algName is: " + md.algName);
-  let messageText = "aaaaa.....bbbbb.....ccccc.....ddddd.....eee"; // 假设信息总共43字节
-  let messageArr = [];
-  let updateLength = 20; // 假设每20字节分段update一次，实际并无要求
+  let messageText = "aaaaa.....bbbbb.....ccccc.....ddddd.....eee"; // Assume that the message is of 43 bytes.
+  let messageArr: number[] = [];
+  let updateLength = 20; // For example, pass in 20 bytes in each update().
 
   for (let i = 0; i <= messageText.length; i++) {
     if ((i % updateLength == 0 || i == messageText.length) && messageArr.length != 0) {
       let message = new Uint8Array(messageArr);
-      let messageBlob = { data: message };
-      // 使用await处理for循环里的update
+      let messageBlob: cryptoFramework.DataBlob = { data: message };
+      // Use await to process the update() in the for() loop.
       try {
-        await md.update(messageBlob); // 分段update
+        await md.update(messageBlob); // Use update() to process data by segment.
       } catch (error) {
-        console.error("await update error code: " + error.code + ", message is: " + error.message);
+        let e: BusinessError = error as BusinessError;
+        console.error(`await update error, ${e.code}, ${e.message}`);
         return;
       }
       messageArr = [];
     }
-    // 按分割长度，填充messageArr
+    // Pad messageArr based on the segment length.
     if (i < messageText.length) {
       messageArr.push(messageText.charCodeAt(i));
     }
   }
   let PromiseMdDigest = md.digest();
   PromiseMdDigest.then(digestOutput => {
-    mdOutput = digestOutput;
+    let mdOutput = digestOutput;
     console.info("[Promise]: MD result: " + mdOutput.data);
     let mdLen = md.getMdLength();
     console.info("[Promise]: MD len: " + mdLen);
-  }).catch(error => {
+  }).catch((error: BusinessError) => {
     console.error("[Promise]: error: " + error.message);
   });
 }
@@ -2290,86 +2270,78 @@ Mac(message authentication code)可以对消息进行完整性校验，通过使
 4. 通过接口`doFinal`，返回Mac计算结果。
 5. 获取当前摘要算法名与Mac计算长度。
 
-```js
-import cryptoFramework from "@ohos.security.cryptoFramework"
+```ts
+import cryptoFramework from '@ohos.security.cryptoFramework';
+import { BusinessError } from '@ohos.base';
 
 // 可理解的字符串转成字节流
-function stringToUint8Array(str) {
-  let arr = [];
+function stringToUint8Array(str: string) {
+  let arr = new Uint8Array(str.length);
   for (let i = 0, j = str.length; i < j; ++i) {
-    arr.push(str.charCodeAt(i));
+    arr[i] = str.charCodeAt(i);
   }
-  return new Uint8Array(arr);
+  return arr;
 }
 
-// 以Promise方式完成HMAC
+// Generate an HMAC in promise mode.
 function doHmacByPromise() {
-  let macAlgName = "SHA256"; // 摘要算法名
-  let message = "hmacTestMessgae"; // 待hmac数据
-  let macOutput;
-  let mac;
-  try {
-    mac = cryptoFramework.createMac(macAlgName);
-  } catch (error) {
-    console.error("[Promise]: error code: " + error.code + ", message is: " + error.message);
-  }
+  let macAlgName = "SHA256"; // Digest algorithm name.
+  let message = "hmacTestMessgae"; // Data used to generate an HMAC.
+  let mac = cryptoFramework.createMac(macAlgName);
   console.info("[Promise]: Mac algName is: " + mac.algName);
-  let KeyBlob = {
-    // 128位密钥
+  let KeyBlob: cryptoFramework.DataBlob = {
+    // 128-bit key
     data: stringToUint8Array("12345678abcdefgh")
   }
   let symKeyGenerator = cryptoFramework.createSymKeyGenerator("AES128");
-  // 将二进制密钥转换为算法库密钥
+  // Convert the binary data into a key.
   let promiseConvertKey = symKeyGenerator.convertKey(KeyBlob);
   promiseConvertKey.then(symKey => {
     let promiseMacInit = mac.init(symKey);
     return promiseMacInit;
-  }).then(() => {
-    // 数据量较少时，可以只做一次update，将数据全部传入，接口未对入参长度做限制
-    let promiseMacUpdate = mac.update({ data: stringToUint8Array(message) });
-    return promiseMacUpdate;
-  }).then(() => {
-    let PromiseMacDoFinal = mac.doFinal();
-    return PromiseMacDoFinal;
-  }).then(output => {
-    macOutput = output;
-    console.info("[Promise]: HMAC result: " + macOutput.data);
-    let macLen = mac.getMacLength();
-    console.info("[Promise]: MAC len: " + macLen);
-  }).catch(error => {
-    console.error("[Promise]: error: " + error.message);
-  });
+  })
+    .then(() => {
+      // If the data volume is small, you can use update() once to pass in all data. There is no limit on the length of the input parameter.
+      let promiseMacUpdate = mac.update({ data: stringToUint8Array(message) });
+      return promiseMacUpdate;
+    })
+    .then(() => {
+      let PromiseMacDoFinal = mac.doFinal();
+      return PromiseMacDoFinal;
+    })
+    .then(output => {
+      let macOutput = output;
+      console.info("[Promise]: HMAC result: " + macOutput.data);
+      let macLen = mac.getMacLength();
+      console.info("[Promise]: MAC len: " + macLen);
+    })
+    .catch((error: BusinessError) => {
+      console.error("[Promise]: error: " + error.message);
+    });
 }
 
-// 以Callback方式完成HMAC
+// Generate an HMAC in callback mode.
 function doHmacByCallback() {
-  let macAlgName = "SHA256"; // 摘要算法名
-  let message = "hmacTestMessgae"; // 待hmac数据
-  let macOutput;
-  let mac;
-  try {
-    mac = cryptoFramework.createMac(macAlgName);
-  } catch (error) {
-    AlertDialog.show({message: "[Callback]: error code: " + error.code + ", message is: " + error.message});
-    console.error("[Callback]: error code: " + error.code + ", message is: " + error.message);
-  }
+  let macAlgName = "SHA256"; // Digest algorithm name.
+  let message = "hmacTestMessgae"; // Data used to generate an HMAC.
+  let mac = cryptoFramework.createMac(macAlgName);
   console.info("[Promise]: Mac algName is: " + mac.algName);
-  let KeyBlob = {
-    // 128位密钥
+  let KeyBlob: cryptoFramework.DataBlob = {
+    // 128-bit key
     data: stringToUint8Array("12345678abcdefgh")
   }
   let symKeyGenerator = cryptoFramework.createSymKeyGenerator("AES128");
-  // 将二进制密钥转换为算法库密钥
+  // Convert the binary data into a key.
   symKeyGenerator.convertKey(KeyBlob, (err, symKey) => {
     if (err) {
       console.error("[Callback]: err: " + err.code);
     }
-    mac.init(symKey, (err1, ) => {
+    mac.init(symKey, (err1,) => {
       if (err1) {
         console.error("[Callback]: err: " + err1.code);
       }
-      // 数据量较少时，可以只做一次update，将数据全部传入，接口未对入参长度做限制
-      mac.update({ data: stringToUint8Array(message) }, (err2, ) => {
+      // If the data volume is small, you can use update() once to pass in all data. There is no limit on the length of the input parameter.
+      mac.update({ data: stringToUint8Array(message) }, (err2,) => {
         if (err2) {
           console.error("[Callback]: err: " + err2.code);
         }
@@ -2377,7 +2349,7 @@ function doHmacByCallback() {
           if (err3) {
             console.error("[Callback]: err: " + err3.code);
           } else {
-            macOutput = output;
+            let macOutput = output;
             console.error("[Callback]: HMAC result: " + macOutput.data);
             let macLen = mac.getMacLength();
             console.error("[Callback]: MAC len: " + macLen);
@@ -2399,73 +2371,71 @@ function doHmacByCallback() {
 4. 通过接口`doFinal`，返回Mac计算结果。
 5. 获取当前摘要算法名与Mac计算长度。
 
-```js
-import cryptoFramework from "@ohos.security.cryptoFramework"
+```ts
+import cryptoFramework from '@ohos.security.cryptoFramework';
+import { BusinessError } from '@ohos.base';
 
-function stringToUint8Array(str) {
-  let arr = [];
+function stringToUint8Array(str: string) {
+  let arr = new Uint8Array(str.length);
   for (let i = 0, j = str.length; i < j; ++i) {
-    arr.push(str.charCodeAt(i));
+    arr[i] = str.charCodeAt(i);
   }
-  return new Uint8Array(arr);
+  return arr;
 }
 
 function doLoopHmacPromise() {
-  let macAlgName = "SHA256"; // 摘要算法名
-  let macOutput;
-  let mac;
-  try {
-    mac = cryptoFramework.createMac(macAlgName);
-  } catch (error) {
-    console.error("[Promise]: error code: " + error.code + ", message is: " + error.message);
-    return;
-  }
+  let macAlgName = "SHA256"; // Digest algorithm name.
+  let mac = cryptoFramework.createMac(macAlgName);
   console.info("[Promise]: Mac algName is: " + mac.algName);
-  let KeyBlob = {
-    // 128位密钥
-    data : stringToUint8Array("12345678abcdefgh")
+  let KeyBlob: cryptoFramework.DataBlob = {
+    // 128-bit key
+    data: stringToUint8Array("12345678abcdefgh")
   }
-  let messageText = "aaaaa.....bbbbb.....ccccc.....ddddd.....eee"; // 假设信息总共43字节
-  let updateLength = 20; // 假设每20字节分段update一次，实际并无要求
+  let messageText = "aaaaa.....bbbbb.....ccccc.....ddddd.....eee"; // Assume that the message is of 43 bytes.
+  let updateLength = 20; // For example, pass in 20 bytes in each update().
   let symKeyGenerator = cryptoFramework.createSymKeyGenerator("AES128");
-  // 将二进制密钥转换为算法库密钥
+  // Convert the binary data into a key.
   let promiseConvertKey = symKeyGenerator.convertKey(KeyBlob);
-  promiseConvertKey.then(symKey => {
+  promiseConvertKey.then((symKey: cryptoFramework.SymKey): Promise<void> => {
     let promiseMacInit = mac.init(symKey);
     return promiseMacInit;
-  }).then(async () => {
-    let promiseMacUpdate;
-    let messageArr = [];
-    for (let i = 0; i <= messageText.length; i++) {
-      if ((i % updateLength == 0 || i == messageText.length) && messageArr.length != 0) {
-        let message = new Uint8Array(messageArr);
-        let messageBlob = { data: message };
-        // 使用await处理for循环里的update
-        try {
-          promiseMacUpdate = await mac.update(messageBlob); // 分段update
-        } catch (error) {
-          console.error("await update error code: " + error.code + ", message is: " + error.message);
-          return;
+  })
+    .then(async () => {
+      let messageArr: number[] = [];
+      for (let i = 0; i <= messageText.length; i++) {
+        if ((i % updateLength == 0 || i == messageText.length) && messageArr.length != 0) {
+          let message = new Uint8Array(messageArr);
+          let messageBlob: cryptoFramework.DataBlob = { data: message };
+          // Use await to process the update() in the for() loop.
+          try {
+            await mac.update(messageBlob); // Invoke update() multiple times.
+          } catch (error) {
+            let e: BusinessError = error as BusinessError;
+            console.error(`await update error, ${e.code}, ${e.message}`);
+            return;
+          }
+          messageArr = [];
+        }
+        // Pad messageArr based on the segment length.
+        if (i < messageText.length) {
+          messageArr.push(messageText.charCodeAt(i));
         }
-        messageArr = [];
-      }
-      // 按分割长度，填充messageArr
-      if (i < messageText.length) {
-        messageArr.push(messageText.charCodeAt(i));
       }
-    }
-    return promiseMacUpdate;
-  }).then(() => {
-    let PromiseMacDoFinal = mac.doFinal();
-    return PromiseMacDoFinal;
-  }).then(output => {
-    macOutput = output;
-    console.log("[Promise]: HMAC result: " + macOutput.data);
-    let macLen = mac.getMacLength();
-    console.log("[Promise]: MAC len: " + macLen);
-  }).catch(error => {
-    console.error("[Promise]: error: " + error.message);
-  });
+      return;
+    })
+    .then(() => {
+      let PromiseMacDoFinal = mac.doFinal();
+      return PromiseMacDoFinal;
+    })
+    .then(output => {
+      let macOutput = output;
+      console.log("[Promise]: HMAC result: " + macOutput.data);
+      let macLen = mac.getMacLength();
+      console.log("[Promise]: MAC len: " + macLen);
+    })
+    .catch((error: BusinessError) => {
+      console.error("[Promise]: error: " + error.message);
+    });
 }
 ```
 
@@ -2496,40 +2466,32 @@ function doLoopHmacPromise() {
 2. 接受输入长度，通过接口`generateRandom`，生成指定长度的随机数。
 3. 接受DataBlob数据，通过接口`setSeed`，为随机数生成池设置种子。
 
-```js
-import cryptoFramework from "@ohos.security.cryptoFramework"
+```ts
+import cryptoFramework from '@ohos.security.cryptoFramework';
+import { BusinessError } from '@ohos.base';
 
-// 通过Promise方式生成随机数
+// Generate a random number in promise mode.
 function doRandByPromise() {
-  let rand;
-  let len = 4; // 生成长度4字节的随机数
-  try {
-    rand = cryptoFramework.createRandom();
-  } catch (error) {
-    console.error("[Promise]: error code: " + error.code + ", message is: " + error.message);
-  }
+  let rand = cryptoFramework.createRandom();
+  let len = 4; // Generate a 4-byte random number.
   let promiseGenerateRand = rand.generateRandom(len);
   promiseGenerateRand.then(randData => {
     console.info("[Promise]: rand result: " + randData.data);
     try {
       rand.setSeed(randData);
     } catch (error) {
-      console.error("setSeed failed, errCode: " + error.code + ", errMsg: " + error.message);
+      let e: BusinessError = error as BusinessError;
+      console.error(`setSeed failed, ${e.code}, ${e.message}`);
     }
-  }).catch(error => {
+  }).catch((error: BusinessError) => {
     console.error("[Promise]: error: " + error.message);
   });
 }
 
-// 通过Callback方式生成随机数
+// Generate a random number in callback mode.
 function doRandByCallback() {
-  let rand;
-  let len = 4; // 生成长度4字节的随机数
-  try {
-    rand = cryptoFramework.createRandom();
-  } catch (error) {
-    console.error("[Callback]: error code: " + error.code + ", message is: " + error.message);
-  }
+  let rand = cryptoFramework.createRandom();
+  let len = 4; // Generate a 4-byte random number.
   rand.generateRandom(len, (err, randData) => {
     if (err) {
       console.error("[Callback]: err: " + err.code);
@@ -2538,22 +2500,17 @@ function doRandByCallback() {
       try {
         rand.setSeed(randData);
       } catch (error) {
-        console.error("setSeed failed, errCode: " + error.code + ", errMsg: " + error.message);
+        let e: BusinessError = error as BusinessError;
+        console.error(`setSeed failed, ${e.code}, ${e.message}`);
       }
     }
   });
 }
 
-// 通过同步接口生成随机数
+// Generate a random number synchronously.
 function doRandBySync() {
-  let rand;
-  let len = 24; // 生成长度24字节的随机数
-  try {
-    rand = cryptoFramework.createRandom();
-  } catch (error) {
-    console.error("[Sync]: error code: " + error.code + ", message is: " + error.message);
-  }
-
+  let rand = cryptoFramework.createRandom();
+  let len = 24; // Generate a 24-byte random number.
   try {
     let randData = rand.generateRandomSync(len);
     if (randData != null) {
@@ -2562,7 +2519,8 @@ function doRandBySync() {
       console.error("[Sync]: get rand result fail!");
     }
   } catch (error) {
-    console.error("[Sync]: error: " + error.message);
+    let e: BusinessError = error as BusinessError;
+    console.error(`do rand failed, ${e.code}, ${e.message}`);
   }
 }
 ```
diff --git a/zh-cn/application-dev/security/permission-list.md b/zh-cn/application-dev/security/permission-list.md
index c868147a11d67a6594ab6055f3fb86a9baed01de..2d4d3426283087d58c6323e8420b204d70b6263d 100644
--- a/zh-cn/application-dev/security/permission-list.md
+++ b/zh-cn/application-dev/security/permission-list.md
@@ -2767,3 +2767,15 @@
 **ACL使能**：TRUE
 
 **起始版本**：11
+
+## ohos.permission.ACTIVATE_THEME_PACKAGE
+
+允许系统应用设置主题内容，包括壁纸、图标、皮肤、AOD和字体等。
+
+**权限级别**：system_core
+
+**授权方式**：system_grant
+
+**ACL使能**：TRUE
+
+**起始版本**：11
diff --git a/zh-cn/application-dev/tools/figures/suap-install.png b/zh-cn/application-dev/tools/figures/suap-install.png
index d6f02252db381fc6c279b745b16de1b31fb93ee6..4ce1a0bddbd3bc3b4a9b180b1e5be1830cea2544 100644
Binary files a/zh-cn/application-dev/tools/figures/suap-install.png and b/zh-cn/application-dev/tools/figures/suap-install.png differ
diff --git a/zh-cn/application-dev/tools/suap-tool.md b/zh-cn/application-dev/tools/openharmony_sdk_upgrade_assistant.md
similarity index 82%
rename from zh-cn/application-dev/tools/suap-tool.md
rename to zh-cn/application-dev/tools/openharmony_sdk_upgrade_assistant.md
index 3317bfcb57e71484aeba56d34f643936d3cab374..b18cbfcaedd9eb91e953b17bbc5a8d901091570f 100644
--- a/zh-cn/application-dev/tools/suap-tool.md
+++ b/zh-cn/application-dev/tools/openharmony_sdk_upgrade_assistant.md
@@ -1,27 +1,28 @@
-# suap工具
-
-SDK upgrade assistance plugin（SDK升级辅助工具插件，简称suap），用于帮助开发者快速解决SDK升级导致的API不兼容问题。
-Beta版本不承诺API稳定性，在SDK升级后，可能存在API不兼容的问题，应用开发者对现在工程切换API版本后，需要适配API接口及其底层行为的变更，存在一定的升级成本；因此OpenHarmony提供了SDK升级辅助工具，可以帮助开发者快速了解升级适配全貌，并通过工具提示快速适配升级，显著提高SDK升级效率。
+# OpenHarmony SDK 升级助手
+## 简介
+OpenHarmony SDK 升级助手，用于帮助开发者快速解决OpenHarmony应用SDK升级导致的API不兼容问题。</br>
+由于OpenHarmony SDK Beta版本不承诺API稳定性，在SDK升级后，可能存在API不兼容的问题，应用开发者对现在工程切换API版本后，需要适配API接口及其底层行为的变更，存在一定的升级成本；因此OpenHarmony提供了SDK升级助手，可以帮助开发者快速了解升级适配全貌，并通过工具提示快速适配升级，显著提高SDK升级效率。
 
 ## 约束与限制
 1. 应用在升级SDK之前，需要将旧版本的SDK文件进行备份，以免被新版本SDK给覆盖掉。
 2. 目前suap工具仅支持OpenHarmony应用升级SDK时使用。
 
-## 工具安装
+## 使用教程
 
-1.主菜单栏中点击 "File" > "Settings..."。
+### 工具安装
+1.在DevEco Studio主菜单栏中点击 "File" > "Settings..."。
 
 ![suap-settings](figures/suap-settings.png)
 
 2.在Settings弹出框界面，选中"Plugins"进入IDE插件模块
 
-3.点击"Installed"选项旁边齿轮状图标，选择"Install Plugin from Disk..."
+3.点击"Marketplace"选项，在下方搜索框中输入"OpenHarmony SDK Upgrade Assistant"
 
-4.在文件选择弹出框中选择插件压缩包所在位置，点击"OK"按钮，重启IDE即安装成功（注意：插件安装完成后需要重启IDE）
+4.点击搜索到的插件右方"Install"按钮进行下载安装，安装完成之后点击"Apply"按钮，重启IDE即安装成功（注意：插件安装完成后需要重启IDE）
 
 ![suap-install](figures/suap-install.png)
 
-## 使用工具
+### 使用工具
 
 辅助升级插件安装好后，打开需要升级的OpenHarmony工程。
 
@@ -41,7 +42,7 @@ Beta版本不承诺API稳定性，在SDK升级后，可能存在API不兼容的
 
 ![suap-view-report](figures/suap-view-report.png)
 
-## 报告功能点
+### 报告功能点介绍
 
 1. 报告下方总数为因升级SDK导致当前应用出现的问题总数，帮助快速评估修改工作量
 2. 报告的每个标题头都可以单击进行排序
@@ -53,7 +54,7 @@ Beta版本不承诺API稳定性，在SDK升级后，可能存在API不兼容的
 
 ![suap-changelog](figures/suap-changelog.png)
 
-## 工具源码使用教程
+## 打包构建
 
 1.[interface仓](https://gitee.com/openharmony/interface_sdk-js/tree/master/build-tools)中 clone [api_diff](https://gitee.com/openharmony/interface_sdk-js/tree/master/build-tools/api_diff)工具(对比两个版本SDK里的API差异)和[collect_application_api](https://gitee.com/openharmony/interface_sdk-js/tree/master/build-tools/collect_application_api)工具(用于解析并汇总应用中使用到的API)到本地。
 
diff --git a/zh-cn/application-dev/ui/arkts-animation-smoothing.md b/zh-cn/application-dev/ui/arkts-animation-smoothing.md
index 975dc773f6a1343d004b89884a6b0d30d8e560ba..bac50a79ea9e135fdd6e5129d22d94b9342d5f02 100644
--- a/zh-cn/application-dev/ui/arkts-animation-smoothing.md
+++ b/zh-cn/application-dev/ui/arkts-animation-smoothing.md
@@ -11,7 +11,13 @@ UI界面除了运行动画之外，还承载着与用户进行实时交互的功
 
 ```ts
 import curves from '@ohos.curves'
-
+class SetSlt{
+  scaleToggle:boolean = true
+  set():void{
+    this.scaleToggle = !this.scaleToggle;
+  }
+}
+let CurAn:Record<string,curves> = {'curve':curves.springMotion()}
 // 第一步：声明相关状态变量
 @state scaleToggle: boolean = true;
 
@@ -25,9 +31,7 @@ Column() {
       this.scaleToggle = !this.scaleToggle;
     })
     // 第四步：通过隐式动画接口开启隐式动画，动画终点值改变时，系统自动添加衔接动画
-    .animation({
-      curve: curves.springMotion()
-    })
+    .animation(CurAn)
 }
 ...
 ```
@@ -37,7 +41,13 @@ Column() {
 
 ```ts
 import curves from '@ohos.curves';
-
+class SetSlt{
+  scaleToggle:boolean = true
+  set():void{
+    this.scaleToggle = !this.scaleToggle;
+  }
+}
+let CurAn:Record<string,curves> = {'curve':curves.springMotion()}
 @Entry
 @Component
 struct AnimationToAnimationDemo {
@@ -60,7 +70,8 @@ struct AnimationToAnimationDemo {
       Button('Click')
         .margin({ top: 200 })
         .onClick(() => {
-          this.isAnimation = !this.isAnimation;
+          let sets = new SetSlt()
+          sets.set()
         })
     }
     .width('100%')
@@ -85,7 +96,14 @@ struct AnimationToAnimationDemo {
 
 ```ts
 import curves from '@ohos.curves'
-
+class SetOffset{
+  offsetX:number = 0;
+  offsetY:number = 0;
+  set(x:number,y:number):void{
+    this.offsetX = x;
+    this.offsetY = y;
+  }
+}
 // 第一步：声明相关状态变量
 @state offsetX: number = 0;
 @State offsetY: number = 0;
@@ -97,13 +115,15 @@ Column()
   .translate({ x: this.offsetX, y: this.offsetY})
   .gesture(
     PanGesture({})
-      .onActionUpdate((event: GestureEvent) => {
+      .onActionUpdate((event?: GestureEvent) => {
         // 第三步：在跟手过程改变状态变量值，并且采用reponsiveSpringMotion动画运动到新的值
         animateTo({
           curve: curves.responsiveSpringMotion()
         }, () => {
-          this.offsetX = event.offsetX;
-          this.offsetY = event.offsetY;
+          if(event){
+            let setxy = new SetOffset();
+            setxy.set(event.offsetX,event.offsetY)
+          }
         })
       })
       .onActionEnd(() => {
@@ -111,8 +131,8 @@ Column()
         animateTo({
           curve: curves.SpringMotion()
         }, () => {
-          this.offsetX = targetOffsetX;
-          this.offsetY = targetOffsetY;
+          let setxy = new SetOffset();
+          setxy.set(targetOffsetX,targetOffsetY)
         })
       })
   )
@@ -124,7 +144,20 @@ Column()
 
 ```ts
 import curves from '@ohos.curves';
-
+class SetOffset{
+  offsetX:number = 0;
+  offsetY:number = 0;
+  positionX:number = 100;
+  positionY:number = 100;
+  set(x:number,y:number):void{
+    this.offsetX = x;
+    this.offsetY = y;
+  }
+  setJ(x:number,y:number,diameter:number = 50):void{
+    this.positionX = x - diameter / 2;
+    this.positionY = y - diameter / 2;
+  }
+}
 @Entry
 @Component
 struct SpringMotionDemo {
@@ -138,22 +171,24 @@ struct SpringMotionDemo {
         Circle({ width: this.diameter, height: this.diameter })
           .fill(Color.Blue)
           .position({ x: this.positionX, y: this.positionY })
-          .onTouch((event: TouchEvent) => {
-            if (event.type === TouchType.Move) {
-              // 跟手过程，使用responsiveSpringMotion曲线
-              animateTo({ curve: curves.responsiveSpringMotion() }, () => {
-                // 减去半径，以使球的中心运动到手指位置
-                this.positionX = event.touches[0].screenX - this.diameter / 2;
-                this.positionY = event.touches[0].screenY - this.diameter / 2;
-                console.info(`move, animateTo x:${this.positionX}, y:${this.positionY}`);
-              })
-            } else if (event.type === TouchType.Up) {
-              // 离手时，使用springMotion曲线
-              animateTo({ curve: curves.springMotion() }, () => {
-                this.positionX = 100;
-                this.positionY = 100;
-                console.info(`touchUp, animateTo x:100, y:100`);
-              })
+          .onTouch((event?: TouchEvent) => {
+            if(event){
+              if (event.type === TouchType.Move) {
+                // 跟手过程，使用responsiveSpringMotion曲线
+                animateTo({ curve: curves.responsiveSpringMotion() }, () => {
+                  // 减去半径，以使球的中心运动到手指位置
+                  let setxy = new SetOffset();
+                  setxy.setJ(event.touches[0].screenX,event.touches[0].screenY,this.diameter)
+                  console.info(`move, animateTo x:${setxy.positionX}, y:${setxy.positionY}`);
+                })
+              } else if (event.type === TouchType.Up) {
+                // 离手时，使用springMotion曲线
+                animateTo({ curve: curves.springMotion() }, () => {
+                  let setxy = new SetOffset();
+                  setxy.set(100,100)
+                  console.info(`touchUp, animateTo x:100, y:100`);
+                })
+              }
             }
           })
       }
diff --git a/zh-cn/application-dev/ui/arkts-common-components-button.md b/zh-cn/application-dev/ui/arkts-common-components-button.md
index 701908387755769214135c7d588356e93c2a5148..2d282313aefc3b3bcf9ff19f745f9353db0ccd8d 100644
--- a/zh-cn/application-dev/ui/arkts-common-components-button.md
+++ b/zh-cn/application-dev/ui/arkts-common-components-button.md
@@ -133,8 +133,8 @@ Button有三种可选类型，分别为Capsule（胶囊类型）、Circle（圆
   为删除操作创建一个按钮。
 
   ```ts
-  Button({ type: ButtonType.Circle, stateEffect: true }) { 
-    Image($r('app.media.ic_public_delete_filled')).width(30).height(30) 
+  Button({ type: ButtonType.Circle, stateEffect: true }) {
+  Image($r('app.media.ic_public_delete_filled')).width(30).height(30) 
   }.width(55).height(55).margin({ left: 20 }).backgroundColor(0xF55A42)
   ```
 
@@ -162,6 +162,9 @@ Button('Ok', { type: ButtonType.Normal, stateEffect: true })
   ```ts
   // xxx.ets
   import router from '@ohos.router';
+  let furl:Record<string,string> = {'url':'pages/first_page'}
+  let surl:Record<string,string> = {'url':'pages/second_page'}
+  let turl:Record<string,string> = {'url':'pages/third_page'}
   @Entry
   @Component
   struct ButtonCase1 {
@@ -169,19 +172,19 @@ Button('Ok', { type: ButtonType.Normal, stateEffect: true })
       List({ space: 4 }) {
         ListItem() {
           Button("First").onClick(() => {
-            router.pushUrl({ url: 'pages/first_page' })
+            router.pushUrl(furl)
           })
             .width('100%')
         }
         ListItem() {
           Button("Second").onClick(() => {
-            router.pushUrl({ url: 'pages/second_page' })
+            router.pushUrl(surl)
           })
             .width('100%')
         }
         ListItem() {
           Button("Third").onClick(() => {
-            router.pushUrl({ url: 'pages/third_page' })
+            router.pushUrl(turl)
           })
             .width('100%')
         }
@@ -232,13 +235,13 @@ Button('Ok', { type: ButtonType.Normal, stateEffect: true })
     build() {
       Stack() {
         List({ space: 20, initialIndex: 0 }) {
-          ForEach(this.arr, (item) => {
+          ForEach(this.arr, (item:number) => {
             ListItem() {
               Text('' + item)
                 .width('100%').height(100).fontSize(16)
                 .textAlign(TextAlign.Center).borderRadius(10).backgroundColor(0xFFFFFF)
             }
-          }, item => item)
+          }, ((item:number):number => item))
         }.width('90%')
         Button() {
           Image($r('app.media.ic_public_add'))
diff --git a/zh-cn/application-dev/ui/arkts-common-components-custom-dialog.md b/zh-cn/application-dev/ui/arkts-common-components-custom-dialog.md
index b3c5f132ab7f3d4d3b482c22ed8e59e5366c03c1..08e49d7b6c821f3fba67d7ebac1402e959d04f0b 100644
--- a/zh-cn/application-dev/ui/arkts-common-components-custom-dialog.md
+++ b/zh-cn/application-dev/ui/arkts-common-components-custom-dialog.md
@@ -12,8 +12,8 @@
 
    ```ts
    @CustomDialog
-   struct CustomDialogExample {
-     controller: CustomDialogController
+   struct CustomDialogExample1 {
+     controller: CustomDialogController | undefined
      build() {
        Column() {
          Text('我是内容')
@@ -27,21 +27,32 @@
 3. 创建构造器，与装饰器呼应相连。
 
    ```ts
-   dialogController: CustomDialogController = new CustomDialogController({
-       builder: CustomDialogExample({}),
+   let bud:Record<string,string> = {}
+   let obj:object|undefined = undefined
+   dialogController: obj = new CustomDialogController({
+       builder: CustomDialogExample(bud),
    })
    ```
 
 4. 点击与onClick事件绑定的组件使弹窗弹出
 
-   ```ts
-   Flex({justifyContent:FlexAlign.Center}){
-     Button('click me')
-       .onClick(() => {
-         this.dialogController.open()
-       })
-   }.width('100%')
-   ```
+  ```ts
+  class dialogc{
+    dialogController:CustomDialogController|undefined = undefined
+    open(){
+      if(this.dialogController){
+        this.dialogController.open()
+      }
+    }
+  }
+  Flex({justifyContent:FlexAlign.Center}){
+    Button('click me')
+      .onClick(() => {
+        let dia = new dialogc();
+        dia.open()
+      })
+  }.width('100%')
+  ```
 
    ![zh-cn_image_0000001562700493](figures/zh-cn_image_0000001562700493.png)
 
@@ -53,49 +64,57 @@
 
 1. 在\@CustomDialog装饰器内添加按钮操作，同时添加数据函数的创建。
 
-   ```ts
-   @CustomDialog
-   struct CustomDialogExample {
-     controller: CustomDialogController
-     cancel: () => void
-     confirm: () => void
-     build() {
-       Column() {
-         Text('我是内容').fontSize(20).margin({ top: 10, bottom: 10 })
-         Flex({ justifyContent: FlexAlign.SpaceAround }) {
-           Button('cancel')
-             .onClick(() => {
-               this.controller.close()
-               this.cancel()
-             }).backgroundColor(0xffffff).fontColor(Color.Black)
-           Button('confirm')
-             .onClick(() => {
-               this.controller.close()
-               this.confirm()
-             }).backgroundColor(0xffffff).fontColor(Color.Red)
-         }.margin({ bottom: 10 })
-       }
-     }
-   }
-   ```
+  ```ts
+  class cancelconfirmF{
+    cancel():void{}
+    confirm():void{}
+  }
+  @CustomDialog
+  struct CustomDialogExample {
+    controller: CustomDialogController | undefined
+    build() {
+      Column() {
+        Text('我是内容').fontSize(20).margin({ top: 10, bottom: 10 })
+        Flex({ justifyContent: FlexAlign.SpaceAround }) {
+          Button('cancel')
+            .onClick(() => {
+              if(this.controller){
+              this.controller.close()
+              }
+              let canf = new cancelconfirmF()
+              canf.cancel()
+            }).backgroundColor(0xffffff).fontColor(Color.Black)
+          Button('confirm')
+            .onClick(() => {
+                if(this.controller){
+                  this.controller.close()
+                }
+                let conf = new cancelconfirmF()
+                conf.confirm()
+            }).backgroundColor(0xffffff).fontColor(Color.Red)
+        }.margin({ bottom: 10 })
+      }
+    }
+  }
+  ```
 
 2. 页面内需要在构造器内进行接收，同时创建相应的函数操作。
 
-   ```ts
-   dialogController: CustomDialogController = new CustomDialogController({
-       builder: CustomDialogExample({
-         cancel: this.onCancel,
-         confirm: this.onAccept,
-       }),
-       alignment: DialogAlignment.Default,  // 可设置dialog的对齐方式，设定显示在底部或中间等，默认为底部显示
-     })
-     onCancel() {
-       console.info('Callback when the first button is clicked')
-     }
-     onAccept() {
-       console.info('Callback when the second button is clicked')
-     }
-   ```
+    ```ts
+    dialogController: object = new CustomDialogController({
+      builder: CustomDialogExample({
+        cancel: this.onCancel,
+        confirm: this.onAccept,
+      }),
+      alignment: DialogAlignment.Default,  // 可设置dialog的对齐方式，设定显示在底部或中间等，默认为底部显示
+    })
+    onCancel() {
+      console.info('Callback when the first button is clicked')
+    }
+    onAccept() {
+      console.info('Callback when the second button is clicked')
+    }
+    ```
 
    ![zh-cn_image_0000001511421320](figures/zh-cn_image_0000001511421320.png)
 
diff --git a/zh-cn/application-dev/ui/arkts-common-components-radio-button.md b/zh-cn/application-dev/ui/arkts-common-components-radio-button.md
index 96022554efdf3445dcf054c052b1442fc1c0f3a8..0de8b55d4f8b044002242ad707dd31ed42c435a7 100644
--- a/zh-cn/application-dev/ui/arkts-common-components-radio-button.md
+++ b/zh-cn/application-dev/ui/arkts-common-components-radio-button.md
@@ -68,7 +68,8 @@ struct RadioExample {
           .onChange((isChecked: boolean) => {
             if(isChecked) {
               // 切换为响铃模式
-              promptAction.showToast({ message: 'Ringing mode.' })
+              let st:Record<string,string> = {'message': 'Ringing mode.'}
+              promptAction.showToast(st)
             }
           })
         Text('Ringing')
@@ -80,7 +81,8 @@ struct RadioExample {
           .onChange((isChecked: boolean) => {
             if(isChecked) {
               // 切换为振动模式
-              promptAction.showToast({ message: 'Vibration mode.' })
+              let st:Record<string,string> = {'message': 'Vibration mode.'}
+              promptAction.showToast(st)
             }
           })
         Text('Vibration')
@@ -92,7 +94,8 @@ struct RadioExample {
           .onChange((isChecked: boolean) => {
             if(isChecked) {
               // 切换为静音模式
-              promptAction.showToast({ message: 'Silent mode.' })
+              let st:Record<string,string> = {'message': 'Silent mode.'}
+              promptAction.showToast(st)
             }
           })
         Text('Silent')
diff --git a/zh-cn/application-dev/ui/arkts-common-components-switch.md b/zh-cn/application-dev/ui/arkts-common-components-switch.md
index d6da8a005439342bb0069dc0f03560c39da0936a..5bf08863fa712270147525dcad2d5ba33ae9d348 100644
--- a/zh-cn/application-dev/ui/arkts-common-components-switch.md
+++ b/zh-cn/application-dev/ui/arkts-common-components-switch.md
@@ -133,9 +133,11 @@ struct ToggleExample {
           .margin({left: 200, right: 10})
           .onChange((isOn: boolean) => {
             if(isOn) {
-              promptAction.showToast({ message: 'Bluetooth is on.' })
+              let st:Record<string,string> = {'message': 'Bluetooth is on.'}
+              promptAction.showToast(st)
             } else {
-              promptAction.showToast({ message: 'Bluetooth is off.' })
+              let st:Record<string,string> = {'message': 'Bluetooth is off.'}
+              promptAction.showToast(st)
             }
           })
       }
diff --git a/zh-cn/application-dev/ui/arkts-common-components-video-player.md b/zh-cn/application-dev/ui/arkts-common-components-video-player.md
index 27008cd8bfb45d9012582b52743351b9aba55d22..ddf39758cadd15783d228a0c35d68b8f61c9045e 100644
--- a/zh-cn/application-dev/ui/arkts-common-components-video-player.md
+++ b/zh-cn/application-dev/ui/arkts-common-components-video-player.md
@@ -34,7 +34,7 @@ Video组件支持加载本地视频和网络视频。
   ```ts
   @Component
   export struct VideoPlayer{
-     private controller:VideoController;
+     private controller:VideoController | undefined;
      private previewUris: Resource = $r ('app.media.preview');
      private innerResource: Resource = $rawfile('videoTest.mp4');
      build(){
@@ -55,7 +55,7 @@ Video组件支持加载本地视频和网络视频。
   ```ts
   @Component
   export struct VideoPlayer{
-     private controller:VideoController;
+     private controller:VideoController | undefined;
      private previewUris: Resource = $r ('app.media.preview');
      private videosrc: string= 'dataability://device_id/com.domainname.dataability.videodata/video/10'
      build(){
@@ -77,7 +77,7 @@ Video组件支持加载本地视频和网络视频。
 ```ts
 @Component
 export struct VideoPlayer {
-  private controller: VideoController;
+  private controller: VideoController | undefined;
   private videosrc: string = 'file:///data/storage/el2/base/haps/entry/files/show.mp4'
 
   build() {
@@ -100,7 +100,7 @@ export struct VideoPlayer {
 ```ts
 @Component
 export struct VideoPlayer{
-   private controller:VideoController;
+   private controller:VideoController | undefined;
    private previewUris: Resource = $r ('app.media.preview');
    private videosrc: string= 'https://www.example.com/example.mp4' // 使用时请替换为实际视频加载网址
    build(){
@@ -124,7 +124,7 @@ Video组件[属性](../reference/arkui-ts/ts-media-components-video.md#属性)
 ```ts
 @Component
 export struct VideoPlayer {
-  private controller: VideoController;
+  private controller: VideoController | undefined;
 
   build() {
     Column() {
@@ -150,7 +150,7 @@ export struct VideoPlayer {
 @Entry
 @Component
 struct VideoPlayer{
-  private controller:VideoController;
+  private controller:VideoController | undefined;
   private previewUris: Resource = $r ('app.media.preview');
   private innerResource: Resource = $rawfile('videoTest.mp4');
   build(){
@@ -213,7 +213,7 @@ Video控制器主要用于控制视频的状态，包括播放、暂停、停止
   ```ts
   @Entry
   @Component
-  struct VideoGuide {
+  struct VideoGuide1 {
     @State videoSrc: Resource = $rawfile('videoTest.mp4')
     @State previewUri: string = 'common/videoIcon.png'
     @State curRate: PlaybackSpeed = PlaybackSpeed.Speed_Forward_1_00_X
@@ -235,10 +235,14 @@ Video控制器主要用于控制视频的状态，包括播放、暂停、停止
             controller: this.controller
           }).controls(false).autoPlay(true)
           .onPrepared((event)=>{
-            this.durationTime = event.duration
+            if(event){
+              this.durationTime = event.duration
+            }
           })
           .onUpdate((event)=>{
-            this.currentTime =event.time
+            if(event){
+              this.currentTime =event.time
+            }
           })
           Row() {
             Text(JSON.stringify(this.currentTime) + 's')
diff --git a/zh-cn/application-dev/ui/arkts-common-components-xcomponent.md b/zh-cn/application-dev/ui/arkts-common-components-xcomponent.md
index e9af33da20b07741bd88e8a900e84d527782a70c..ff1175d0b54c4e3f04803b0c46424c5b6e5c0585 100644
--- a/zh-cn/application-dev/ui/arkts-common-components-xcomponent.md
+++ b/zh-cn/application-dev/ui/arkts-common-components-xcomponent.md
@@ -229,11 +229,19 @@ OpenHarmony上Camera、AVPlayer等符合生产者设计的部件都可以将数
 
 
 ```ts
+class suf{
+  surfaceId:string = "";
+  mXComponentController: XComponentController = new XComponentController();
+  set(){
+    this.surfaceId = this.mXComponentController.getXComponentSurfaceId()
+  }
+}
 @State surfaceId:string = "";
-mXComponentController: XComponentController = new XComponentController();
+mXComponentController: object = new XComponentController();
 XComponent({ id: '', type: 'surface', controller: this.mXComponentController })
   .onLoad(() => {
-    this.surfaceId = this.mXComponentController.getXComponentSurfaceId()
+    let sufset = new suf()
+    sufset.set()
   })
 ```
 
diff --git a/zh-cn/application-dev/ui/arkts-common-events-device-input-event.md b/zh-cn/application-dev/ui/arkts-common-events-device-input-event.md
index 603e30e199016366527acb6668f70b3faf53b3d7..1e51f481aa6324aba47baff0607d32f4bc770ebd 100644
--- a/zh-cn/application-dev/ui/arkts-common-events-device-input-event.md
+++ b/zh-cn/application-dev/ui/arkts-common-events-device-input-event.md
@@ -70,8 +70,10 @@ struct MouseExample {
       Button(this.isHovered ? 'Hovered!' : 'Not Hover')
         .width(200).height(100)
         .backgroundColor(this.isHovered ? Color.Green : Color.Gray)
-        .onHover((isHover: boolean) => { // 使用onHover接口监听鼠标是否悬浮在Button组件上
-          this.isHovered = isHover;
+        .onHover((isHover?: boolean) => { // 使用onHover接口监听鼠标是否悬浮在Button组件上
+          if(isHover){
+            this.isHovered = isHover;
+          }
         })
     }.width('100%').height('100%').justifyContent(FlexAlign.Center)
   }
@@ -126,15 +128,19 @@ struct MouseExample {
         .width(200)
         .height(100)
         .backgroundColor(this.isHovered ? Color.Green : Color.Gray)
-        .onHover((isHover: boolean) => {
-          this.isHovered = isHover
+        .onHover((isHover?: boolean) => {
+          if(isHover){
+            this.isHovered = isHover
+          }
         })
-        .onMouse((event: MouseEvent) => {    // 给Button组件设置onMouse回调
-          this.buttonText = 'Button onMouse:\n' + '' +
-          'button = ' + event.button + '\n' +
-          'action = ' + event.action + '\n' +
-          'x,y = (' + event.x + ',' + event.y + ')' + '\n' +
-          'windowXY=(' + event.windowX + ',' + event.windowY + ')';
+       .onMouse((event?: MouseEvent) => {    // 设置Button的onMouse回调
+          if(event){
+            this.buttonText = 'Button onMouse:\n' + '' +
+            'button = ' + event.button + '\n' +
+            'action = ' + event.action + '\n' +
+            'x,y = (' + event.x + ',' + event.y + ')' + '\n' +
+            'windowXY=(' + event.windowX + ',' + event.windowY + ')';
+          }
         })
       Divider()
       Text(this.buttonText).fontColor(Color.Green)
@@ -146,12 +152,14 @@ struct MouseExample {
     .justifyContent(FlexAlign.Center)
     .borderWidth(2)
     .borderColor(Color.Red)
-    .onMouse((event: MouseEvent) => {    // 给Column组件设置onMouse回调
-      this.columnText = 'Column onMouse:\n' + '' +
-      'button = ' + event.button + '\n' +
-      'action = ' + event.action + '\n' +
-      'x,y = (' + event.x + ',' + event.y + ')' + '\n' +
-      'windowXY=(' + event.windowX + ',' + event.windowY + ')';
+    .onMouse((event?: MouseEvent) => {    // Set the onMouse callback for the column.
+      if(event){
+        this.columnText = 'Column onMouse:\n' + '' +
+          'button = ' + event.button + '\n' +
+          'action = ' + event.action + '\n' +
+          'x,y = (' + event.x + ',' + event.y + ')' + '\n' +
+          'windowXY=(' + event.windowX + ',' + event.windowY + ')';
+      }
     })
   }
 }
@@ -177,20 +185,40 @@ struct MouseExample {
 
 
 ```ts
+class ish{
+  isHovered:boolean = false
+  set(val:boolean){
+    this.isHovered = val;
+  }
+}
+class butf{
+  buttonText:string = ''
+  set(val:string){
+    this.buttonText = val
+  }
+}
 Button(this.isHovered ? 'Hovered!' : 'Not Hover')
   .width(200)
   .height(100)
   .backgroundColor(this.isHovered ? Color.Green : Color.Gray)
-  .onHover((isHover: boolean) => {
-    this.isHovered = isHover;
+  .onHover((isHover?: boolean) => {
+    if(isHover){
+      let ishset = new ish()
+      ishset.set(isHover)
+    }
   })
-  .onMouse((event: MouseEvent) => {
-    event.stopPropagation(); // 在Button的onMouse事件中设置阻止冒泡
-    this.buttonText = 'Button onMouse:\n' + '' +
-    'button = ' + event.button + '\n' +
-    'action = ' + event.action + '\n' +
-    'x,y = (' + event.x + ',' + event.y + ')' + '\n' +
-    'windowXY=(' + event.windowX + ',' + event.windowY + ')';
+  .onMouse((event?: MouseEvent) => {
+    if(event){
+      if(event.stopPropagation){
+        event.stopPropagation(); // 在Button的onMouse事件中设置阻止冒泡
+      }
+      let butset = new butf()
+      butset.set('Button onMouse:\n' + '' +
+        'button = ' + event.button + '\n' +
+        'action = ' + event.action + '\n' +
+        'x,y = (' + event.x + ',' + event.y + ')' + '\n' +
+        'windowXY=(' + event.windowX + ',' + event.windowY + ')');
+    }
   })
 ```
 
@@ -298,17 +326,19 @@ struct KeyEventExample {
     Column() {
       Button('onKeyEvent')
         .width(140).height(70)
-        .onKeyEvent((event: KeyEvent) => { // 给Button设置onKeyEvent事件
-          if (event.type === KeyType.Down) {
-            this.buttonType = 'Down';
-          }
-          if (event.type === KeyType.Up) {
-            this.buttonType = 'Up';
+        .onKeyEvent((event?: KeyEvent) => { // 给Button设置onKeyEvent事件
+          if(event){
+            if (event.type === KeyType.Down) {
+              this.buttonType = 'Down';
+            }
+            if (event.type === KeyType.Up) {
+              this.buttonType = 'Up';
+            }
+            this.buttonText = 'Button: \n' +
+            'KeyType:' + this.buttonType + '\n' +
+            'KeyCode:' + event.keyCode + '\n' +
+            'KeyText:' + event.keyText;
           }
-          this.buttonText = 'Button: \n' +
-          'KeyType:' + this.buttonType + '\n' +
-          'KeyCode:' + event.keyCode + '\n' +
-          'KeyText:' + event.keyText;
         })
 
       Divider()
@@ -317,17 +347,19 @@ struct KeyEventExample {
       Divider()
       Text(this.columnText).fontColor(Color.Red)
     }.width('100%').height('100%').justifyContent(FlexAlign.Center)
-    .onKeyEvent((event: KeyEvent) => { // 给父组件Column设置onKeyEvent事件
-      if (event.type === KeyType.Down) {
-        this.columnType = 'Down';
-      }
-      if (event.type === KeyType.Up) {
-        this.columnType = 'Up';
+    .onKeyEvent((event?: KeyEvent) => { // 给父组件Column设置onKeyEvent事件
+      if(event){
+        if (event.type === KeyType.Down) {
+          this.columnType = 'Down';
+        }
+        if (event.type === KeyType.Up) {
+          this.columnType = 'Up';
+        }
+        this.columnText = 'Column: \n' +
+        'KeyType:' + this.buttonType + '\n' +
+        'KeyCode:' + event.keyCode + '\n' +
+        'KeyText:' + event.keyText;
       }
-      this.columnText = 'Column: \n' +
-      'KeyType:' + this.buttonType + '\n' +
-      'KeyCode:' + event.keyCode + '\n' +
-      'KeyText:' + event.keyText;
     })
   }
 }
@@ -353,21 +385,36 @@ struct KeyEventExample {
 
 
 ```ts
+class butypef{
+  buttonType:string = ''
+  set(val:string){
+    this.buttonType = val
+  }
+  get(){
+    return this.buttonType
+  }
+}
 Button('onKeyEvent')
   .width(140).height(70)
-  .onKeyEvent((event: KeyEvent) => {
+  .onKeyEvent((event?: KeyEvent|object) => {
     // 通过stopPropagation阻止事件冒泡
-    event.stopPropagation();
-    if (event.type === KeyType.Down) {
-      this.buttonType = 'Down';
-    }
-    if (event.type === KeyType.Up) {
-       this.buttonType = 'Up';
+    if(event){
+      event.stopPropagation();
+      if (event.type === KeyType.Down) {
+        let butset = new butypef()
+        butset.set('Down')
+      }
+      if (event.type === KeyType.Up) {
+        let butset = new butypef()
+        butset.set('Up')
+      }
+      let butfset = new butf()
+      let butset = new butypef()
+      butfset.set('Button: \n' +
+        'KeyType:' + butset.get() + '\n' +
+        'KeyCode:' + event.keyCode + '\n' +
+        'KeyText:' + event.keyText)
     }
-     this.buttonText = 'Button: \n' +
-     'KeyType:' + this.buttonType + '\n' +
-     'KeyCode:' + event.keyCode + '\n' +
-     'KeyText:' + event.keyText;
 })
 ```
 
diff --git a/zh-cn/application-dev/ui/arkts-common-events-focus-event.md b/zh-cn/application-dev/ui/arkts-common-events-focus-event.md
index 75e94b0f315668f54bb76df57a7040354afbb813..ff12846960836dbeaaa998313b08aee644c62e3e 100644
--- a/zh-cn/application-dev/ui/arkts-common-events-focus-event.md
+++ b/zh-cn/application-dev/ui/arkts-common-events-focus-event.md
@@ -75,6 +75,8 @@
 
 
 ```ts
+import List from '@ohos.util.List';
+import promptAction from '@ohos.promptAction';
 onFocus(event: () => void)
 ```
 
@@ -345,8 +347,10 @@ struct FocusableExample {
       Divider()
     }.width('100%').justifyContent(FlexAlign.Center)
     .onKeyEvent((e) => {    // 绑定onKeyEvent，在该Column组件获焦时，按下'F'键，可将第二个Text的focusable置反
-      if (e.keyCode === 2022 && e.type === KeyType.Down) {
-        this.textFocusable = !this.textFocusable;
+      if(e){
+        if (e.keyCode === 2022 && e.type === KeyType.Down) {
+          this.textFocusable = !this.textFocusable;
+        }
       }
     })
   }
@@ -401,7 +405,7 @@ import promptAction from '@ohos.promptAction';
 
 class MyDataSource implements IDataSource {
   private list: number[] = [];
-  private listener: DataChangeListener;
+  private listener: DataChangeListener|undefined = undefined;
 
   constructor(list: number[]) {
     this.list = list;
@@ -411,7 +415,7 @@ class MyDataSource implements IDataSource {
     return this.list.length;
   }
 
-  getData(index: number): any {
+  getData(index: number): object {
     return this.list[index];
   }
 
@@ -423,16 +427,22 @@ class MyDataSource implements IDataSource {
   }
 }
 
+class TmpM{
+  left:number = 20
+  bottom:number = 20
+  right:number = 20
+}
+let MarginTmp:TmpM = new TmpM()
 @Entry
 @Component
 struct SwiperExample {
-  private swiperController: SwiperController = new SwiperController()
-  private data: MyDataSource = new MyDataSource([])
+  private swiperController: object = new SwiperController()
+  private data: object = new MyDataSource([])
 
   aboutToAppear(): void {
-    let list = []
+    let list:number[] = []
     for (let i = 1; i <= 4; i++) {
-      list.push(i.toString());
+      list.push(i);
     }
     this.data = new MyDataSource(list);
   }
@@ -507,7 +517,7 @@ struct SwiperExample {
           .borderWidth(2)
           .borderColor(Color.Gray)
           .backgroundColor(Color.White)
-        }, item => item)
+        }, ((item:string):string => item))
       }
       .cachedCount(2)
       .index(0)
@@ -522,6 +532,18 @@ struct SwiperExample {
       })
       .margin({ left: 20, top: 20, right: 20 })
 
+      class swcf{
+        swiperController:SwiperController|undefined
+        fun(index:number){
+          if(this.swiperController){
+            if(index==0){
+              this.swiperController.showPrevious();
+            }else{
+              this.swiperController.showNext();
+            }
+          }
+        }
+      }
       Row({ space: 40 }) {
         Button('←')
           .fontSize(40)
@@ -529,7 +551,8 @@ struct SwiperExample {
           .fontColor(Color.Black)
           .backgroundColor(Color.Transparent)
           .onClick(() => {
-            this.swiperController.showPrevious();
+            let swf = new swcf()
+            swf.fun(0)
           })
         Button('→')
           .fontSize(40)
@@ -537,7 +560,8 @@ struct SwiperExample {
           .fontColor(Color.Black)
           .backgroundColor(Color.Transparent)
           .onClick(() => {
-            this.swiperController.showNext();
+            let swf = new swcf()
+            swf.fun(1)
           })
       }
       .width(480)
@@ -556,6 +580,7 @@ struct SwiperExample {
           .height(50)
           .backgroundColor('#dadbd9')
         
+        let tmp:Record<string,string> = {'message':'Button OK on clicked'}
         Button('OK')
           .fontSize(30)
           .fontColor('#787878')
@@ -564,7 +589,7 @@ struct SwiperExample {
           .height(50)
           .backgroundColor('#dadbd9')
           .onClick(() => {
-            promptAction.showToast({ message: 'Button OK on clicked' });
+            promptAction.showToast(tmp);
           })
       }
       .width(480)
@@ -573,7 +598,7 @@ struct SwiperExample {
       .borderWidth(2)
       .borderColor(Color.Gray)
       .backgroundColor('#dff2e4')
-      .margin({ left: 20, bottom: 20, right: 20 })
+      .margin(MarginTmp)
     }.backgroundColor('#f2f2f2')
     .margin({ left: 50, top: 50, right: 20 })
   }
@@ -592,6 +617,8 @@ struct SwiperExample {
 
 
 ```ts
+import promptAction from '@ohos.promptAction';
+let Tmp:Record<string,string> = {'message':'Button OK on clicked'}
 Button('OK')
   .defaultFocus(true)    // 设置Button-OK为defaultFocus
   .fontSize(30)
@@ -599,7 +626,7 @@ Button('OK')
   .type(ButtonType.Normal)
   .width(140).height(50).backgroundColor('#dadbd9')
   .onClick(() => {
-    promptAction.showToast({ message: 'Button OK on clicked' });
+    promptAction.showToast(Tmp);
   })
 ```
 
@@ -646,13 +673,22 @@ tabIndex用于设置自定义TAB键走焦顺序，默认值为0。使用“TAB/S
 
 
 ```ts
+class swcf{
+  swiperController:SwiperController|undefined
+  fun(){
+    if(this.swiperController){
+      this.swiperController.showPrevious();
+    }
+  }
+}
   Button('←')
     .fontSize(40)
     .fontWeight(FontWeight.Bold)
     .fontColor(Color.Black)
     .backgroundColor(Color.Transparent)
     .onClick(() => {
-      this.swiperController.showPrevious();
+      let swf = new swcf()
+      swf.fun()
     })
     .tabIndex(2)    // Button-左箭头设置为第二个tabIndex节点
 ```
@@ -660,13 +696,15 @@ tabIndex用于设置自定义TAB键走焦顺序，默认值为0。使用“TAB/S
 
 
 ```ts
+import promptAction from '@ohos.promptAction';
+let Tmp:Record<string,string> = {'message':'Button OK on clicked'}
 Button('OK')
   .fontSize(30)
   .fontColor('#787878')
   .type(ButtonType.Normal)
   .width(140).height(50).backgroundColor('#dadbd9')
   .onClick(() => {
-    promptAction.showToast({ message: 'Button OK on clicked' });
+    promptAction.showToast(Tmp);
   })
   .tabIndex(3)    // Button-OK设置为第三个tabIndex节点
 ```
@@ -707,7 +745,7 @@ import promptAction from '@ohos.promptAction';
 
 class MyDataSource implements IDataSource {
   private list: number[] = [];
-  private listener: DataChangeListener;
+  private listener: DataChangeListener|undefined = undefined;
 
   constructor(list: number[]) {
     this.list = list;
@@ -717,7 +755,7 @@ class MyDataSource implements IDataSource {
     return this.list.length;
   }
 
-  getData(index: number): any {
+  getData(index: number): number[] {
     return this.list[index];
   }
 
@@ -736,9 +774,9 @@ struct SwiperExample {
   private data: MyDataSource = new MyDataSource([])
 
   aboutToAppear(): void {
-    let list = []
+    let list: number[] = []
     for (let i = 1; i <= 4; i++) {
-      list.push(i.toString());
+      list.push(i);
     }
     this.data = new MyDataSource(list);
   }
@@ -815,7 +853,7 @@ struct SwiperExample {
           .borderColor(Color.Gray)
           .backgroundColor(Color.White)
           .tabIndex(1)
-        }, item => item)
+        }, ((item:string):string => item))
       }
       .cachedCount(2)
       .index(0)
@@ -866,6 +904,7 @@ struct SwiperExample {
           .height(50)
           .backgroundColor('#dadbd9')
 
+        let tmp:Record<string,string> = {'message':'Button OK on clicked'}
         Button('OK')
           .fontSize(30)
           .fontColor('#787878')
@@ -875,7 +914,7 @@ struct SwiperExample {
           .backgroundColor('#dadbd9')
           .defaultFocus(true)
           .onClick(() => {
-            promptAction.showToast({ message: 'Button OK on clicked' });
+            promptAction.showToast(tmp);
           })
           .groupDefaultFocus(true)    // 设置Button-OK为第三个tabIndex节点的默认焦点
       }
@@ -1017,21 +1056,25 @@ struct RequestFocusExample {
       }
     }.width('100%').margin({ top:20 })
     .onKeyEvent((e) => {
-      if (e.keyCode >= 2017 && e.keyCode <= 2022) {
-        this.requestId = e.keyCode - 2017;
-      } else if (e.keyCode === 2030) {
-        this.requestId = 6;
-      } else {
-        return;
-      }
-      if (e.type !== KeyType.Down) {
-        return;
+      if(e){
+        if (e.keyCode >= 2017 && e.keyCode <= 2022) {
+          this.requestId = e.keyCode - 2017;
+        } else if (e.keyCode === 2030) {
+          this.requestId = 6;
+        } else {
+          return;
+        }
+        if (e.type !== KeyType.Down) {
+          return;
+        }
       }
       let res = focusControl.requestFocus(this.idList[this.requestId]);
+      let tmps:Record<string,string> = {'message':'Request success'}
+      let tmpf:Record<string,string> = {'message':'Request failed'}
       if (res) {
-        promptAction.showToast({message: 'Request success'});
+        promptAction.showToast(tmps);
       } else {
-        promptAction.showToast({message: 'Request failed'});
+        promptAction.showToast(tmpf);
       }
     })
   }
diff --git a/zh-cn/application-dev/ui/arkts-common-events-touch-screen-event.md b/zh-cn/application-dev/ui/arkts-common-events-touch-screen-event.md
index 0d0345d8f8dd3fcde5ce049119f0910e1613fce0..c72f67bc83086f9843f25da22f47f381f929cf5f 100644
--- a/zh-cn/application-dev/ui/arkts-common-events-touch-screen-event.md
+++ b/zh-cn/application-dev/ui/arkts-common-events-touch-screen-event.md
@@ -88,7 +88,7 @@ import image from '@ohos.multimedia.image';
 @Component
 struct Index {
   @State visible: Visibility = Visibility.Visible
-  private pixelMapReader = undefined
+  private pixelMapReader:object|undefined = undefined
 
   aboutToAppear() {
     console.info('begin to create pixmap has info message: ')
@@ -97,21 +97,28 @@ struct Index {
 
   createPixelMap() {
     let color = new ArrayBuffer(4 * 96 * 96);
-    var buffer = new Uint8Array(color);
-    for (var i = 0; i < buffer.length; i++) {
+    let buffer = new Uint8Array(color);
+    for (let i = 0; i < buffer.length; i++) {
       buffer[i] = (i + 1) % 255;
     }
-    let opts = {
-      alphaType: 0,
-      editable: true,
-      pixelFormat: 4,
-      scaleMode: 1,
-      size: { height: 96, width: 96 }
+    class hw{
+      height:number = 96
+      width:number = 96
     }
-    const promise = image.createPixelMap(color, opts);
-    promise.then((data) => {
+    let hwo:hw = new hw()
+    let opts:Record<string,number|boolean|hw> = {
+      'alphaType': 0,
+      'editable': true,
+      'pixelFormat': 4,
+      'scaleMode': 1,
+      'size': hwo
+    }
+    const promise:image = image.createPixelMap(color, opts);
+    promise.then((data:object|undefined) => {
       console.info('create pixmap has info message: ' + JSON.stringify(data))
-      this.pixelMapReader = data;
+      if(data){
+        this.pixelMapReader = data;
+      }
     })
   }
 
@@ -148,7 +155,7 @@ struct Index {
           console.info('Text onDrag start')
           return { pixelMap: this.pixelMapReader, extraInfo: 'custom extra info.' }
         })
-        .onDrop((event: DragEvent, extraParams: string) => {
+        .onDrop((event: DragEvent|undefined, extraParams: string|undefined) => {
           console.info('Text onDragDrop,  ')
           this.visible = Visibility.None                    //拖动结束后，使源不可见
         })
@@ -190,7 +197,7 @@ struct Index {
         .visibility(Visibility.Visible)
 
       List({ space: 20, initialIndex: 0 }) {
-        ForEach(this.number, (item) => {
+        ForEach(this.number, (item:string) => {
           ListItem() {
             Text('' + item)
               .width('100%')
@@ -200,7 +207,7 @@ struct Index {
               .textAlign(TextAlign.Center)
               .backgroundColor(0xFFFFFF)
           }
-        }, item => item)
+        }, ((item:string):string => item))
 
         ListItem() {
           Text('Across Window Drag This')
@@ -217,16 +224,16 @@ struct Index {
       .width('90%')
       .border({ width: 1 })
       .divider({ strokeWidth: 2, color: 0xFFFFFF, startMargin: 20, endMargin: 20 })
-      .onDragEnter((event: DragEvent, extraParams: string) => {                         //拖拽进去组件
+      .onDragEnter((event: DragEvent|undefined, extraParams: string|undefined) => {                         //拖拽进去组件
         console.info('List onDragEnter, ' + extraParams)
       })
-      .onDragMove((event: DragEvent, extraParams: string) => {                          //拖拽时移动
+      .onDragMove((event: DragEvent|undefined, extraParams: string|undefined) => {                          //拖拽时移动
         console.info('List onDragMove, ' + extraParams)
       })
-      .onDragLeave((event: DragEvent, extraParams: string) => {                         //拖拽离开组件
+      .onDragLeave((event: DragEvent|undefined, extraParams: string|undefined) => {                         //拖拽离开组件
         console.info('List onDragLeave, ' + extraParams)
       })
-      .onDrop((event: DragEvent, extraParams: string) => {                              //释放组件
+      .onDrop((event: DragEvent|undefined, extraParams: string|undefined) => {                              //释放组件
         console.info('List onDragDrop, ' + extraParams)
         this.visible2 = Visibility.Visible                                              //拖拽完成使拖入目标可见
       })
@@ -267,36 +274,40 @@ struct TouchExample {
   build() {
     Column() {
       Button('Touch').height(40).width(100)
-        .onTouch((event: TouchEvent) => {
-          if (event.type === TouchType.Down) {
-            this.eventType = 'Down';
-          }
-          if (event.type === TouchType.Up) {
-            this.eventType = 'Up';
+        .onTouch((event?: TouchEvent) => {
+          if(event){
+            if (event.type === TouchType.Down) {
+              this.eventType = 'Down';
+            }
+            if (event.type === TouchType.Up) {
+              this.eventType = 'Up';
+            }
+            if (event.type === TouchType.Move) {
+              this.eventType = 'Move';
+            }
+            this.text = 'TouchType:' + this.eventType + '\nDistance between touch point and touch element:\nx: '
+            + event.touches[0].x + '\n' + 'y: ' + event.touches[0].y + '\nComponent globalPos:('
+            + event.target.area.globalPosition.x + ',' + event.target.area.globalPosition.y + ')\nwidth:'
+            + event.target.area.width + '\nheight:' + event.target.area.height
           }
-          if (event.type === TouchType.Move) {
-            this.eventType = 'Move';
-          }
-          this.text = 'TouchType:' + this.eventType + '\nDistance between touch point and touch element:\nx: '
-          + event.touches[0].x + '\n' + 'y: ' + event.touches[0].y + '\nComponent globalPos:('
-          + event.target.area.globalPosition.x + ',' + event.target.area.globalPosition.y + ')\nwidth:'
-          + event.target.area.width + '\nheight:' + event.target.area.height
         })
       Button('Touch').height(50).width(200).margin(20)
-        .onTouch((event: TouchEvent) => {
-          if (event.type === TouchType.Down) {
-            this.eventType = 'Down';
-          }
-          if (event.type === TouchType.Up) {
-            this.eventType = 'Up';
-          }
-          if (event.type === TouchType.Move) {
-            this.eventType = 'Move';
+        .onTouch((event?: TouchEvent) => {
+          if(event){
+            if (event.type === TouchType.Down) {
+              this.eventType = 'Down';
+            }
+            if (event.type === TouchType.Up) {
+              this.eventType = 'Up';
+            }
+            if (event.type === TouchType.Move) {
+              this.eventType = 'Move';
+            }
+            this.text = 'TouchType:' + this.eventType + '\nDistance between touch point and touch element:\nx: '
+            + event.touches[0].x + '\n' + 'y: ' + event.touches[0].y + '\nComponent globalPos:('
+            + event.target.area.globalPosition.x + ',' + event.target.area.globalPosition.y + ')\nwidth:'
+            + event.target.area.width + '\nheight:' + event.target.area.height
           }
-          this.text = 'TouchType:' + this.eventType + '\nDistance between touch point and touch element:\nx: '
-          + event.touches[0].x + '\n' + 'y: ' + event.touches[0].y + '\nComponent globalPos:('
-          + event.target.area.globalPosition.x + ',' + event.target.area.globalPosition.y + ')\nwidth:'
-          + event.target.area.width + '\nheight:' + event.target.area.height
         })
       Text(this.text)
     }.width('100%').padding(30)
diff --git a/zh-cn/application-dev/ui/arkts-component-animation.md b/zh-cn/application-dev/ui/arkts-component-animation.md
index 3199691f74ccbd41e766ef6d11ec92e258c8e975..6eb024cedbffa116d2d063f4d2b7d0f04f29ac64 100644
--- a/zh-cn/application-dev/ui/arkts-component-animation.md
+++ b/zh-cn/application-dev/ui/arkts-component-animation.md
@@ -64,18 +64,21 @@ import curves from '@ohos.curves';
 import window from '@ohos.window';
 import display from '@ohos.display';
 import mediaquery from '@ohos.mediaquery';
-
+export class GlobalContext {
+  static mainWin: window.Window|undefined = undefined;
+  static mainWindowSize:window.Size|undefined = undefined;
+}
 /**
  * 窗口、屏幕相关信息管理类
  */
 export class WindowManager {
-  private static instance: WindowManager = null;
-  private displayInfo: display.Display = null;
+  private static instance: WindowManager|null = null;
+  private displayInfo: display.Display|null = null;
   private orientationListener = mediaquery.matchMediaSync('(orientation: landscape)');
-  private portraitFunc = null;
+  private portraitFunc: Function | null = null;
 
   constructor() {
-    this.portraitFunc = this.onPortrait.bind(this);
+    this.portraitFunc = (mediaQueryResult: mediaquery.MediaQueryResult) => { this.onPortrait(mediaQueryResult) };
     this.orientationListener.on('change', this.portraitFunc)
     this.loadDisplayInfo()
   }
@@ -88,30 +91,30 @@ export class WindowManager {
     if (win == null) {
       return
     }
-    globalThis.mainWin = win;
+    GlobalContext.mainWin = win;
     win.on("windowSizeChange", (data: window.Size) => {
-      if (globalThis.mainWindowSize == undefined || globalThis.mainWindowSize == null) {
-        globalThis.mainWindowSize = data;
+      if (GlobalContext.mainWindowSize == undefined || GlobalContext.mainWindowSize == null) {
+        GlobalContext.mainWindowSize = data;
       } else {
-        if (globalThis.mainWindowSize.width == data.width && globalThis.mainWindowSize.height == data.height) {
+        if (GlobalContext.mainWindowSize.width == data.width && GlobalContext.mainWindowSize.height == data.height) {
           return
         }
-        globalThis.mainWindowSize = data;
+        GlobalContext.mainWindowSize = data;
       }
 
       let winWidth = this.getMainWindowWidth();
       AppStorage.SetOrCreate<number>('mainWinWidth', winWidth)
       let winHeight = this.getMainWindowHeight();
       AppStorage.SetOrCreate<number>('mainWinHeight', winHeight)
-      globalThis.context.eventHub.emit("windowSizeChange", winWidth, winHeight)
+      GlobalContext.context.eventHub.emit("windowSizeChange", winWidth, winHeight)
     })
   }
 
   static getInstance(): WindowManager {
-    if (this.instance == null) {
-      this.instance = new WindowManager();
+    if (WindowManager.instance == null) {
+      WindowManager.instance = new WindowManager();
     }
-    return this.instance
+    return WindowManager.instance
   }
 
   private onPortrait(mediaQueryResult: mediaquery.MediaQueryResult) {
@@ -127,8 +130,8 @@ export class WindowManager {
    * @param ori 常量枚举值：window.Orientation
    */
   changeOrientation(ori: window.Orientation) {
-    if (globalThis.mainWin != null) {
-      globalThis.mainWin.setPreferredOrientation(ori)
+    if (GlobalContext.mainWin != null) {
+      GlobalContext.mainWin.setPreferredOrientation(ori)
     }
   }
 
@@ -142,14 +145,14 @@ export class WindowManager {
    * 获取main窗口宽度，单位vp
    */
   getMainWindowWidth(): number {
-    return globalThis.mainWindowSize != null ? px2vp(globalThis.mainWindowSize.width) : 0
+    return GlobalContext.mainWindowSize != null ? px2vp(GlobalContext.mainWindowSize.width) : 0
   }
 
   /**
    * 获取main窗口高度，单位vp
    */
   getMainWindowHeight(): number {
-    return globalThis.mainWindowSize != null ? px2vp(globalThis.mainWindowSize.height) : 0
+    return GlobalContext.mainWindowSize != null ? px2vp(GlobalContext.mainWindowSize.height) : 0
   }
 
   /**
@@ -173,8 +176,8 @@ export class WindowManager {
     if (this.orientationListener) {
       this.orientationListener.off('change', this.portraitFunc)
     }
-    if (globalThis.mainWin != null) {
-      globalThis.mainWin.off('windowSizeChange')
+    if (GlobalContext.mainWin != null) {
+      GlobalContext.mainWin.off('windowSizeChange')
     }
     WindowManager.instance = null;
   }
@@ -232,7 +235,7 @@ export struct TaskSwitchMainPage {
   @State taskViewOffsetX: number = 0;
   @State cardOffset: number = this.displayWidth / 4;
   lastCardOffset: number = this.cardOffset;
-  startTime: number
+  startTime: number|undefined=undefined
 
   // 每个卡片初始位置
   aboutToAppear() {
@@ -258,28 +261,30 @@ export struct TaskSwitchMainPage {
       // 滑动组件
       Scroll(this.scroller) {
         Row({ space: this.cardSpace }) {
-          ForEach(taskDataArr, (item, index) => {
-            Column()
-              .width(this.cardWidth)
-              .height(this.cardHeight)
-              .backgroundColor(item.bgColor)
-              .borderStyle(BorderStyle.Solid)
-              .borderWidth(1)
-              .borderColor(0xAFEEEE)
-              .borderRadius(15)
-                // 计算子组件的仿射属性
-              .scale((this.getProgress(index) >= 0.4 && this.getProgress(index) <= 0.6) ?
-                {
-                  x: 1.1 - Math.abs(0.5 - this.getProgress(index)),
-                  y: 1.1 - Math.abs(0.5 - this.getProgress(index))
-                } :
-                { x: 1, y: 1 })
-              .animation({ curve: Curve.Smooth })
-                // 滑动动画
-              .translate({ x: this.cardOffset })
-              .animation({ curve: curves.springMotion() })
-              .zIndex((this.getProgress(index) >= 0.4 && this.getProgress(index) <= 0.6) ? 2 : 1)
-          }, item => item.index)
+          ForEach(taskDataArr, (item:TaskData, index:number|undefined) => {
+            if(index){
+              Column()
+                .width(this.cardWidth)
+                .height(this.cardHeight)
+                .backgroundColor(item.bgColor)
+                .borderStyle(BorderStyle.Solid)
+                .borderWidth(1)
+                .borderColor(0xAFEEEE)
+                .borderRadius(15)
+                  // 计算子组件的仿射属性
+                .scale((this.getProgress(index) >= 0.4 && this.getProgress(index) <= 0.6) ?
+                  {
+                    x: 1.1 - Math.abs(0.5 - this.getProgress(index)),
+                    y: 1.1 - Math.abs(0.5 - this.getProgress(index))
+                  } :
+                  { x: 1, y: 1 })
+                .animation({ curve: Curve.Smooth })
+                  // 滑动动画
+                .translate({ x: this.cardOffset })
+                .animation({ curve: curves.springMotion() })
+                .zIndex((this.getProgress(index) >= 0.4 && this.getProgress(index) <= 0.6) ? 2 : 1)
+            }
+          }, ((item:string):string => item))
         }
         .width((this.cardWidth + this.cardSpace) * (taskDataArr.length + 1))
         .height('100%')
@@ -287,41 +292,49 @@ export struct TaskSwitchMainPage {
       .gesture(
       GestureGroup(GestureMode.Parallel,
       PanGesture({ direction: PanDirection.Horizontal, distance: 5 })
-        .onActionStart((event: GestureEvent) => {
-          this.startTime = event.timestamp;
-        })
-        .onActionUpdate((event: GestureEvent) => {
-          this.cardOffset = this.lastCardOffset + event.offsetX;
-        })
-        .onActionEnd((event: GestureEvent) => {
-          let time = event.timestamp - this.startTime;
-          let speed = event.offsetX / (time / 1000000000);
-          let moveX = Math.pow(speed, 2) / 7000 * (speed > 0 ? 1 : -1);
-
-          this.cardOffset += moveX;
-          // 左滑大于最右侧位置
-          let cardOffsetMax = -(taskDataArr.length - 1) * (this.displayWidth / 2);
-          if (this.cardOffset < cardOffsetMax) {
-            this.cardOffset = cardOffsetMax;
-          }
-          // 右滑大于最左侧位置
-          if (this.cardOffset > this.displayWidth / 4) {
-            this.cardOffset = this.displayWidth / 4;
+        .onActionStart((event: GestureEvent|undefined) => {
+          if(event){
+            this.startTime = event.timestamp;
           }
-
-          // 左右滑动距离不满足/满足切换关系时，补位/退回
-          let remainMargin = this.cardOffset % (this.displayWidth / 2);
-          if (remainMargin < 0) {
-            remainMargin = this.cardOffset % (this.displayWidth / 2) + this.displayWidth / 2;
+        })
+        .onActionUpdate((event: GestureEvent|undefined) => {
+          if(event){
+            this.cardOffset = this.lastCardOffset + event.offsetX;
           }
-          if (remainMargin <= this.displayWidth / 4) {
-            this.cardOffset += this.displayWidth / 4 - remainMargin;
-          } else {
-            this.cardOffset -= this.displayWidth / 4 - (this.displayWidth / 2 - remainMargin);
+        })
+        .onActionEnd((event: GestureEvent|undefined) => {
+          if(event){
+            if(this.startTime){
+              let time = event.timestamp - this.startTime;
+            }
+            let speed = event.offsetX / (time / 1000000000);
+            let moveX = Math.pow(speed, 2) / 7000 * (speed > 0 ? 1 : -1);
+
+            this.cardOffset += moveX;
+            // 左滑大于最右侧位置
+            let cardOffsetMax = -(taskDataArr.length - 1) * (this.displayWidth / 2);
+            if (this.cardOffset < cardOffsetMax) {
+              this.cardOffset = cardOffsetMax;
+            }
+            // 右滑大于最左侧位置
+            if (this.cardOffset > this.displayWidth / 4) {
+              this.cardOffset = this.displayWidth / 4;
+            }
+
+            // 左右滑动距离不满足/满足切换关系时，补位/退回
+            let remainMargin = this.cardOffset % (this.displayWidth / 2);
+            if (remainMargin < 0) {
+              remainMargin = this.cardOffset % (this.displayWidth / 2) + this.displayWidth / 2;
+            }
+            if (remainMargin <= this.displayWidth / 4) {
+              this.cardOffset += this.displayWidth / 4 - remainMargin;
+            } else {
+              this.cardOffset -= this.displayWidth / 4 - (this.displayWidth / 2 - remainMargin);
+            }
+
+            // 记录本次滑动偏移量
+            this.lastCardOffset = this.cardOffset;
           }
-
-          // 记录本次滑动偏移量
-          this.lastCardOffset = this.cardOffset;
         })
       ), GestureMask.IgnoreInternal)
       .scrollable(ScrollDirection.Horizontal)
diff --git a/zh-cn/application-dev/ui/arkts-custom-attribute-animation.md b/zh-cn/application-dev/ui/arkts-custom-attribute-animation.md
index 8fd7df86d06369b5ba32ed71d894d7b0665177fc..e89a87ae42958d98f55e5aa584b91a17e3821f9a 100644
--- a/zh-cn/application-dev/ui/arkts-custom-attribute-animation.md
+++ b/zh-cn/application-dev/ui/arkts-custom-attribute-animation.md
@@ -54,7 +54,7 @@ class PointClass extends Array<number> {
   }
 
   add(rhs: PointClass): PointClass {
-    let result = new Array<number>() as Point;
+    let result: Point = new Array<number>() as Point;
     for (let i = 0; i < 2; i++) {
       result.push(rhs[i] + this[i])
     }
@@ -62,7 +62,7 @@ class PointClass extends Array<number> {
   }
 
   subtract(rhs: PointClass): PointClass {
-    let result = new Array<number>() as Point;
+    let result: Point = new Array<number>() as Point;
     for (let i = 0; i < 2; i++) {
       result.push(this[i] - rhs[i]);
     }
@@ -70,7 +70,7 @@ class PointClass extends Array<number> {
   }
 
   multiply(scale: number): PointClass {
-    let result = new Array<number>() as Point;
+    let result: Point = new Array<number>() as Point;
     for (let i = 0; i < 2; i++) {
       result.push(this[i] * scale)
     }
@@ -84,7 +84,7 @@ class PointVector extends Array<PointClass> implements AnimatableArithmetic<Arra
   constructor(initialValue: Array<Point>) {
     super();
     if (initialValue.length) {
-      initialValue.forEach(p => this.push(new PointClass(p)))
+      initialValue.forEach((p:object) => this.push(new PointClass(p)))
     }
   }
 
@@ -128,7 +128,7 @@ class PointVector extends Array<PointClass> implements AnimatableArithmetic<Arra
   }
 }
 
-function randomInt(min, max) {
+function randomInt(min:number, max:number) {
   return Math.floor(Math.random() * (max - min) + min);
 }
 
diff --git a/zh-cn/application-dev/ui/arkts-drawing-customization-on-canvas.md b/zh-cn/application-dev/ui/arkts-drawing-customization-on-canvas.md
index 7a2b14dff43a46d2ceda765af0730d5bea9b9d02..15687eb4795f1f19e21d35ec70c235fa0e70c8ba 100644
--- a/zh-cn/application-dev/ui/arkts-drawing-customization-on-canvas.md
+++ b/zh-cn/application-dev/ui/arkts-drawing-customization-on-canvas.md
@@ -63,7 +63,7 @@ Canvas提供画布组件，用于自定义绘制图形，开发者使用CanvasRe
           .height('100%')
           .backgroundColor('#F5DC62')
           .onReady(() =>{
-            var offContext = this.offCanvas.getContext("2d", this.settings)
+            let offContext = this.offCanvas.getContext("2d", this.settings)
             //可以在这里绘制内容
             offContext.strokeRect(50, 50, 200, 150);
             //将离屏绘值渲染的图像在普通画布上显示
@@ -98,13 +98,18 @@ Canvas提供画布组件，用于自定义绘制图形，开发者使用CanvasRe
 onReady(event: () =&gt; void)是Canvas组件初始化完成时的事件回调，调用该事件后，可获取Canvas组件的确定宽高，进一步使用CanvasRenderingContext2D对象和OffscreenCanvasRenderingContext2D对象调用相关API进行图形绘制。
 
 ```ts
+class Contextset{
+  settings: RenderingContextSettings = new RenderingContextSettings(true)
+  context: CanvasRenderingContext2D= new CanvasRenderingContext2D(this.settings)
+}
 Canvas(this.context)
   .width('100%')
   .height('100%')
   .backgroundColor('#F5DC62')
   .onReady(() => {
-    this.context.fillStyle = '#0097D4';
-    this.context.fillRect(50, 50, 100, 100);
+    let con:Contextset = new Contextset()
+    con.context.fillStyle = '#0097D4';
+    con.context.fillRect(50, 50, 100, 100);
   })
 
 ```
@@ -119,15 +124,20 @@ Canvas(this.context)
 - 通过CanvasRenderingContext2D对象和OffscreenCanvasRenderingContext2D对象直接调用相关API进行绘制。
 
   ```ts
+  class Contextset{
+    settings: RenderingContextSettings = new RenderingContextSettings(true)
+    context: CanvasRenderingContext2D= new CanvasRenderingContext2D(this.settings)
+  }
   Canvas(this.context)
     .width('100%')
     .height('100%')
     .backgroundColor('#F5DC62')
     .onReady(() =>{
-      this.context.beginPath();
-      this.context.moveTo(50, 50);
-      this.context.lineTo(280, 160);
-      this.context.stroke();
+      let con:Contextset = new Contextset()
+      con.context.beginPath();
+      con.context.moveTo(50, 50);
+      con.context.lineTo(280, 160);
+      con.context.stroke();
      })
   ```
 
@@ -136,14 +146,19 @@ Canvas(this.context)
 - 先单独定义path2d对象构造理想的路径，再通过调用CanvasRenderingContext2D对象和OffscreenCanvasRenderingContext2D对象的stroke接口或者fill接口进行绘制，具体使用可以参考[Path2D对象](../reference/arkui-ts/ts-components-canvas-path2d.md)。
 
   ```ts
+  class Contextset{
+    settings: RenderingContextSettings = new RenderingContextSettings(true)
+    context: CanvasRenderingContext2D= new CanvasRenderingContext2D(this.settings)
+  }
   Canvas(this.context)
     .width('100%')
     .height('100%')
     .backgroundColor('#F5DC62')
     .onReady(() =>{
+       let con:Contextset = new Contextset()
        let region = new Path2D();
        region.arc(100, 75, 50, 0, 6.28);
-       this.context.stroke(region);
+       con.context.stroke(region);
     })
   ```
 
@@ -158,23 +173,28 @@ OffscreenCanvasRenderingContext2D对象和CanvasRenderingContext2D对象提供
   可以通过[arc](../reference/arkui-ts/ts-canvasrenderingcontext2d.md#arc)（绘制弧线路径）、 [ellipse](../reference/arkui-ts/ts-canvasrenderingcontext2d.md#ellipse)（绘制一个椭圆）、[rect](../reference/arkui-ts/ts-canvasrenderingcontext2d.md#rect)（创建矩形路径）等接口绘制基础形状。
 
   ```ts
+  class Contextset{
+    settings: RenderingContextSettings = new RenderingContextSettings(true)
+    context: CanvasRenderingContext2D= new CanvasRenderingContext2D(this.settings)
+  }
   Canvas(this.context)
     .width('100%')
     .height('100%')
     .backgroundColor('#F5DC62')
     .onReady(() =>{
+        let con:Contextset = new Contextset()
        //绘制矩形
-       this.context.beginPath();
-       this.context.rect(100, 50, 100, 100);
-       this.context.stroke();
+       con.context.beginPath();
+       con.context.rect(100, 50, 100, 100);
+       con.context.stroke();
        //绘制圆形
-       this.context.beginPath();
-       this.context.arc(150, 250, 50, 0, 6.28);
-       this.context.stroke();
+       con.context.beginPath();
+       con.context.arc(150, 250, 50, 0, 6.28);
+       con.context.stroke();
        //绘制椭圆
-       this.context.beginPath();
-       this.context.ellipse(150, 450, 50, 100, Math.PI * 0.25, Math.PI * 0, Math.PI * 2);
-       this.context.stroke();
+       con.context.beginPath();
+       con.context.ellipse(150, 450, 50, 100, Math.PI * 0.25, Math.PI * 0, Math.PI * 2);
+       con.context.stroke();
     })
 
   ```
@@ -186,17 +206,22 @@ OffscreenCanvasRenderingContext2D对象和CanvasRenderingContext2D对象提供
   可以通过[fillText](../reference/arkui-ts/ts-canvasrenderingcontext2d.md#filltext)（绘制填充类文本）、[strokeText](../reference/arkui-ts/ts-canvasrenderingcontext2d.md#stroketext)（绘制描边类文本）等接口进行文本绘制。
 
   ```ts
+  class Contextset{
+    settings: RenderingContextSettings = new RenderingContextSettings(true)
+    context: CanvasRenderingContext2D= new CanvasRenderingContext2D(this.settings)
+  }
   Canvas(this.context)
     .width('100%')
     .height('100%')
     .backgroundColor('#F5DC62')
     .onReady(() =>{
+        let con:Contextset = new Contextset()
        //绘制填充类文本
-       this.context.font = '50px sans-serif';
-       this.context.fillText("Hello World!", 50, 100);
+       con.context.font = '50px sans-serif';
+       con.context.fillText("Hello World!", 50, 100);
        //绘制描边类文本
-       this.context.font = '55px sans-serif';
-       this.context.strokeText("Hello World!", 50, 150);
+       con.context.font = '55px sans-serif';
+       con.context.strokeText("Hello World!", 50, 150);
     })
   ```
 
@@ -222,7 +247,7 @@ OffscreenCanvasRenderingContext2D对象和CanvasRenderingContext2D对象提供
           .height('100%')
           .backgroundColor('#F5DC62')
           .onReady(() =>{
-            var offContext = this.offCanvas.getContext("2d", this.settings)
+            let offContext = this.offCanvas.getContext("2d", this.settings)
             // 使用drawImage接口将图片画在（0，0）为起点，宽高130的区域
             offContext.drawImage(this.img,0,0,130,130);
             // 使用getImageData接口，获得canvas组件区域中，（50，50）为起点，宽高130范围内的绘制内容
@@ -247,20 +272,27 @@ OffscreenCanvasRenderingContext2D对象和CanvasRenderingContext2D对象提供
   Canvas中还提供其他类型的方法。渐变（[CanvasGradient对象](../reference/arkui-ts/ts-components-canvas-canvasgradient.md)）相关的方法：[createLinearGradient](../reference/arkui-ts/ts-canvasrenderingcontext2d.md#createlineargradient)（创建一个线性渐变色）、[createRadialGradient](../reference/arkui-ts/ts-canvasrenderingcontext2d.md#createradialgradient)（创建一个径向渐变色）等。
 
   ```ts
+  class Contextset{
+    settings: RenderingContextSettings = new RenderingContextSettings(true)
+    context: CanvasRenderingContext2D= new CanvasRenderingContext2D(this.settings)
+  }
   Canvas(this.context)
     .width('100%')
     .height('100%')
     .backgroundColor('#F5DC62')
     .onReady(() =>{
+      let con:Contextset = new Contextset()
        //创建一个径向渐变色的CanvasGradient对象
-       let grad = this.context.createRadialGradient(200,200,50, 200,200,200)
+       let grad:CanvasRenderingContext2D|undefined = con.context.createRadialGradient(200,200,50, 200,200,200)
        //为CanvasGradient对象设置渐变断点值，包括偏移和颜色
-       grad.addColorStop(0.0, '#E87361');
-       grad.addColorStop(0.5, '#FFFFF0');
-       grad.addColorStop(1.0, '#BDDB69');
+       if(grad){
+        grad.addColorStop(0.0, '#E87361');
+        grad.addColorStop(0.5, '#FFFFF0');
+        grad.addColorStop(1.0, '#BDDB69');
+        con.context.fillStyle = grad;
+       }
        //用CanvasGradient对象填充矩形
-       this.context.fillStyle = grad;
-       this.context.fillRect(0, 0, 400, 400);
+      con.context.fillRect(0, 0, 400, 400);
     })
   ```
 
diff --git a/zh-cn/application-dev/ui/arkts-enter-exit-transition.md b/zh-cn/application-dev/ui/arkts-enter-exit-transition.md
index 0d7f6e774940a5b8b8d886bcd0a7e1f08ab87a80..762c21b4b4272872dd7741a0f64b7f69b79c7600 100644
--- a/zh-cn/application-dev/ui/arkts-enter-exit-transition.md
+++ b/zh-cn/application-dev/ui/arkts-enter-exit-transition.md
@@ -25,7 +25,7 @@
    ```ts
    // 出现时会是所有转场效果的出现效果叠加，消失时会是所有消失转场效果的叠加
    // 用于说明各个effect跟随的动画参数
-   private effect: TransitionEffect =
+   private effect: object =
      TransitionEffect.OPACITY // 创建了透明度转场效果，这里没有调用animation接口，会跟随animateTo的动画参数
        // 通过combine方法,添加缩放转场效果,并指定了springMotion(0.6, 1.2)曲线
        .combine(TransitionEffect.scale({ x: 0, y: 0 }).animation({curve: curves.springMotion(0.6, 1.2) }))
diff --git a/zh-cn/application-dev/ui/arkts-geometric-shape-drawing.md b/zh-cn/application-dev/ui/arkts-geometric-shape-drawing.md
index 26ae6ccbdd21ac8a7d5b9ead1a06e3527fc298dd..6a946da705199c22326436622f090c6387655520 100644
--- a/zh-cn/application-dev/ui/arkts-geometric-shape-drawing.md
+++ b/zh-cn/application-dev/ui/arkts-geometric-shape-drawing.md
@@ -52,6 +52,20 @@ viewPort{ x?: number | string, y?: number | string, width?: number | string, hei
 - 通过形状视口对图形进行放大与缩小。
 
   ```ts
+  class tmp{
+    x:number = 0
+    y:number = 0
+    width:number = 75
+    height:number = 75
+  }
+  let viep:tmp = new tmp()
+  class tmp1{
+    x:number = 0
+    y:number = 0
+    width:number = 300
+    height:number = 300
+  }
+  let viep1:tmp1 = new tmp1()
   // 画一个宽高都为150的圆
   Text('原始尺寸Circle组件')
   Circle({width: 75, height: 75}).fill('#E87361')
@@ -65,7 +79,7 @@ viewPort{ x?: number | string, y?: number | string, width?: number | string, hei
         Rect().width('100%').height('100%').fill('#0097D4')
         Circle({width: 75, height: 75}).fill('#E87361')
       }
-      .viewPort({x: 0, y: 0, width: 75, height: 75})
+      .viewPort(viep)
       .width(150)
       .height(150)
       .backgroundColor('#F5DC62')
@@ -78,7 +92,7 @@ viewPort{ x?: number | string, y?: number | string, width?: number | string, hei
         Rect().width('100%').height('100%').fill('#BDDB69')
         Circle({width: 75, height: 75}).fill('#E87361')
       }
-      .viewPort({x: 0, y: 0, width: 300, height: 300})
+      .viewPort(viep1)
       .width(150)
       .height(150)
       .backgroundColor('#F5DC62')
@@ -91,11 +105,25 @@ viewPort{ x?: number | string, y?: number | string, width?: number | string, hei
 - 创建一个宽高都为300的shape组件，背景色为黄色，一个宽高都为300的viewport。用一个蓝色的矩形来填充viewport，在viewport中绘制一个半径为75的圆。
 
   ```ts
+  class tmp{
+    x:number = 0
+    y:number = 0
+    width:number = 300
+    height:number = 300
+  }
+  let viep:tmp = new tmp()
+  class tmp1{
+    x:number = -150
+    y:number = -150
+    width:number = 300
+    height:number = 300
+  }
+  let viep1:tmp1 = new tmp1()
   Shape() {
     Rect().width("100%").height("100%").fill("#0097D4")
     Circle({ width: 150, height: 150 }).fill("#E87361")
   }
-    .viewPort({ x: 0, y: 0, width: 300, height: 300 })
+    .viewPort(viep)
     .width(300)
     .height(300)
     .backgroundColor("#F5DC62")
@@ -110,7 +138,7 @@ viewPort{ x?: number | string, y?: number | string, width?: number | string, hei
     Rect().width("100%").height("100%").fill("#0097D4")
     Circle({ width: 150, height: 150 }).fill("#E87361")
   }
-    .viewPort({ x: -150, y: -150, width: 300, height: 300 })
+    .viewPort(viep1)
     .width(300)
     .height(300)
     .backgroundColor("#F5DC62")
diff --git a/zh-cn/application-dev/ui/arkts-gesture-events-combined-gestures.md b/zh-cn/application-dev/ui/arkts-gesture-events-combined-gestures.md
index 0daac802ab62a4411978ce6b39df04560a8af4c3..3f6ff706d5a24750acd6bde8af2fb9fc3cbb26b9 100644
--- a/zh-cn/application-dev/ui/arkts-gesture-events-combined-gestures.md
+++ b/zh-cn/application-dev/ui/arkts-gesture-events-combined-gestures.md
@@ -6,7 +6,7 @@
 
 
 ```ts
-GestureGroup(mode:GestureMode, ...gesture:GestureType[])
+GestureGroup(mode:GestureMode, gesture:GestureType[])
 ```
 
 
@@ -53,9 +53,11 @@ struct Index {
         // 该组合手势第一个触发的手势为长按手势，且长按手势可多次响应
         LongPressGesture({ repeat: true })
           // 当长按手势识别成功，增加Text组件上显示的count次数
-          .onAction((event: GestureEvent) => {
-            if (event.repeat) {
-              this.count++;
+          .onAction((event: GestureEvent|undefined) => {
+            if(event){
+              if (event.repeat) {
+                this.count++;
+              }
             }
             console.info('LongPress onAction');
           })
@@ -69,9 +71,11 @@ struct Index {
             console.info('pan start');
           })
             // 当该手势被触发时，根据回调获得拖动的距离，修改该组件的位移距离从而实现组件的移动
-          .onActionUpdate((event: GestureEvent) => {
-            this.offsetX = this.positionX + event.offsetX;
-            this.offsetY = this.positionY + event.offsetY;
+          .onActionUpdate((event: GestureEvent|undefined) => {
+            if(event){
+              this.offsetX = this.positionX + event.offsetX;
+              this.offsetY = this.positionY + event.offsetY;
+            }
             console.info('pan update');
           })
           .onActionEnd(() => {
diff --git a/zh-cn/application-dev/ui/arkts-gesture-events-single-gesture.md b/zh-cn/application-dev/ui/arkts-gesture-events-single-gesture.md
index 2e270b42c716f67f30fabc4dbcf4c905e70f663e..708e3574851b01f189c40338fd7e6886c2389b2c 100644
--- a/zh-cn/application-dev/ui/arkts-gesture-events-single-gesture.md
+++ b/zh-cn/application-dev/ui/arkts-gesture-events-single-gesture.md
@@ -30,8 +30,10 @@ TapGesture(value?:{count?:number; fingers?:number})
           .gesture(
             // 绑定count为2的TapGesture
             TapGesture({ count: 2 })
-              .onAction((event: GestureEvent) => {
+              .onAction((event: GestureEvent|undefined) => {
+              if(event){
                 this.value = JSON.stringify(event.fingerList[0]);
+              }
               }))
         Text(this.value)
       }
@@ -82,9 +84,11 @@ struct Index {
         .gesture(
           // 绑定可以重复触发的LongPressGesture
           LongPressGesture({ repeat: true })
-            .onAction((event: GestureEvent) => {
-              if (event.repeat) {
-                this.count++;
+           .onAction((event: GestureEvent|undefined) => {
+              if(event){
+                if (event.repeat) {
+                  this.count++;
+                }
               }
             })
             .onActionEnd(() => {
@@ -109,7 +113,13 @@ struct Index {
 
 
 ```ts
-PanGestureOptions(value?:{ fingers?:number; direction?:PanDirection; distance?:number})
+class pgotmp{
+  fingers?:number = 0
+  direction?:PanDirection|null = null
+  distance?:number = 0
+}
+let pgo:pgotmp = new pgotmp()
+new PanGestureOptions(value?:pgo)
 ```
 
 
@@ -150,13 +160,15 @@ struct Index {
         .gesture(
           // 绑定拖动手势
           PanGesture()
-            .onActionStart((event: GestureEvent) => {
+           .onActionStart((event: GestureEvent|undefined) => {
               console.info('Pan start');
             })
               // 当触发拖动手势时，根据回调函数修改组件的布局位置信息
-            .onActionUpdate((event: GestureEvent) => {
-              this.offsetX = this.positionX + event.offsetX;
-              this.offsetY = this.positionY + event.offsetY;
+            .onActionUpdate((event: GestureEvent|undefined) => {
+              if(event){
+                this.offsetX = this.positionX + event.offsetX;
+                this.offsetY = this.positionY + event.offsetY;
+              }
             })
             .onActionEnd(() => {
               this.positionX = this.offsetX;
@@ -226,14 +238,16 @@ struct Index {
       .gesture(
         // 在组件上绑定三指触发的捏合手势
         PinchGesture({ fingers: 3 })
-          .onActionStart((event: GestureEvent) => {
+          .onActionStart((event: GestureEvent|undefined) => {
             console.info('Pinch start');
           })
             // 当捏合手势触发时，可以通过回调函数获取缩放比例，从而修改组件的缩放比例
-          .onActionUpdate((event: GestureEvent) => {
-            this.scaleValue = this.pinchValue * event.scale;
-            this.pinchX = event.pinchCenterX;
-            this.pinchY = event.pinchCenterY;
+          .onActionUpdate((event: GestureEvent|undefined) => {
+            if(event){
+              this.scaleValue = this.pinchValue * event.scale;
+              this.pinchX = event.pinchCenterX;
+              this.pinchY = event.pinchCenterY;
+            }
           })
           .onActionEnd(() => {
             this.pinchValue = this.scaleValue;
@@ -284,12 +298,14 @@ struct Index {
         .rotate({ angle: this.angle })
         .gesture(
           RotationGesture()
-            .onActionStart((event: GestureEvent) => {
+           .onActionStart((event: GestureEvent|undefined) => {
               console.info('RotationGesture is onActionStart');
             })
               // 当旋转手势生效时，通过旋转手势的回调函数获取旋转角度，从而修改组件的旋转角度
-            .onActionUpdate((event: GestureEvent) => {
-              this.angle = this.rotateValue + event.angle;
+            .onActionUpdate((event: GestureEvent|undefined) => {
+              if(event){
+                this.angle = this.rotateValue + event.angle;
+              }
               console.info('RotationGesture is onActionEnd');
             })
               // 当旋转结束抬手时，固定组件在旋转结束时的角度
@@ -358,9 +374,11 @@ struct Index {
         // 绑定滑动手势且限制仅在竖直方向滑动时触发
         SwipeGesture({ direction: SwipeDirection.Vertical })
           // 当滑动手势触发时，获取滑动的速度和角度，实现对组件的布局参数的修改
-          .onAction((event: GestureEvent) => {
-            this.speed = event.speed;
-            this.rotateAngle = event.angle;
+          .onAction((event: GestureEvent|undefined) => {
+            if(event){
+              this.speed = event.speed;
+              this.rotateAngle = event.angle;
+            }
           })
       )
     }
diff --git a/zh-cn/application-dev/ui/arkts-graphics-display.md b/zh-cn/application-dev/ui/arkts-graphics-display.md
index 7344be7d89066d70c2bc8361d96440d2d4473688..16a35852f93b0023c4bbb2a8c3db8d987bd066c4 100644
--- a/zh-cn/application-dev/ui/arkts-graphics-display.md
+++ b/zh-cn/application-dev/ui/arkts-graphics-display.md
@@ -86,18 +86,20 @@ Image支持加载存档图、多媒体像素图两种类型。
         getAllImg() {
           let result = new Array<string>();
           try {
-            let PhotoSelectOptions = new picker.PhotoSelectOptions();
+            let PhotoSelectOptions:picker.PhotoSelectOptions = new picker.PhotoSelectOptions();
             PhotoSelectOptions.MIMEType = picker.PhotoViewMIMETypes.IMAGE_TYPE;
             PhotoSelectOptions.maxSelectNumber = 5;
-            let photoPicker = new picker.PhotoViewPicker();
-            photoPicker.select(PhotoSelectOptions).then((PhotoSelectResult) => {
+            let photoPicker:picker.PhotoViewPicker = new picker.PhotoViewPicker();
+            photoPicker.select(PhotoSelectOptions).then((PhotoSelectResult:picker.PhotoSelectResult) => {
               this.imgDatas = PhotoSelectResult.photoUris;
               console.info('PhotoViewPicker.select successfully, PhotoSelectResult uri: ' + JSON.stringify(PhotoSelectResult));
-            }).catch((err) => {
+            }).catch((err:Error) => {
               console.error(`PhotoViewPicker.select failed with. Code: ${err.code}, message: ${err.message}`);
             });
           } catch (err) {
-            console.error(`PhotoViewPicker failed with. Code: ${err.code}, message: ${err.message}`);    }
+            let message:BusinessError = (err as BusinessError).message;
+            let code:BusinessError = (err as BusinessError).code;
+            console.error(`PhotoViewPicker failed with. Code: ${code}, message: ${message}`);    }
         }
       
         // aboutToAppear中调用上述函数，获取图库的所有图片url，存在imgDatas中
@@ -108,12 +110,12 @@ Image支持加载存档图、多媒体像素图两种类型。
         build() {
           Column() {
             Grid() {
-              ForEach(this.imgDatas, item => {
+              ForEach(this.imgDatas, (item:string) => {
                 GridItem() {
                   Image(item)
                     .width(200)
                 }
-              }, item => JSON.stringify(item))
+              }, ((item:string):string => JSON.stringify(item)))
             }
           }.width('100%').height('100%')
         }
@@ -156,7 +158,7 @@ PixelMap是图片解码后的像素图，具体用法请参考[图片开发指
    2. 填写网络图片地址。
        ```ts
        http.createHttp().request("https://www.example.com/xxx.png",
-         (error, data) => {
+         (error:Error) => {
            if (error){
              console.error(`http reqeust failed with. Code: ${error.code}, message: ${error.message}`);
            } else {
@@ -166,27 +168,47 @@ PixelMap是图片解码后的像素图，具体用法请参考[图片开发指
        ```
    3. 将网络地址成功返回的数据，编码转码成pixelMap的图片格式。   
        ```ts
-       let code = data.responseCode;
+       let code:object = data.responseCode;
        if (ResponseCode.ResponseCode.OK === code) {
-         let res: any = data.result  
-         let imageSource = image.createImageSource(res);
-         let options = {
-           alphaType: 0, // 透明度
-           editable: false, // 是否可编辑
-           pixelFormat: 3, // 像素格式
-           scaleMode: 1, // 缩略值
-           size: { height: 100, width: 100 }
+         let imageSource:image = image.createImageSource(data.result);
+         class tmp{
+           height:number = 100
+           width:number = 100
+         }
+         let si:tmp = new tmp()
+         let options:Record<string,number|boolean|tmp> = {
+           'alphaType': 0, // 透明度
+           'editable': false, // 是否可编辑
+           'pixelFormat': 3, // 像素格式
+           'scaleMode': 1, // 缩略值
+           'size': { height: 100, width: 100 }
          } // 创建图片大小
-         imageSource.createPixelMap(options).then((pixelMap) => {
-           this.image = pixelMap
-         })
+         class imagetmp{
+           image:image
+           set(val:PixelMap){
+             this.image = val
+           }
+         }
+          imageSource.createPixelMap(options).then((pixelMap:PixelMap) => {
+          let im = new imagetmp()
+            im.set(pixelMap)
+       })
        }
        ```
    4. 显示图片。
        ```ts
+       class htp{
+        httpRequest:Function|undefined = undefined
+        set(){
+          if(this.httpRequest){
+          this.httpRequest()
+          }
+        }
+      }
        Button("获取网络图片")
          .onClick(() => {
-           this.httpRequest()
+           let sethtp = new htp()
+           sethtp.set()
          })
        Image(this.image).height(100).width(100)
        ```
@@ -498,6 +520,14 @@ Image($r('app.media.icon'))
 
 
 ```ts
+class tmp{
+  width: number = 0
+  height: number = 0
+  componentWidth: number = 0
+  componentHeight: number = 0
+}
+
+let msg:tmp = new tmp()
 @Entry
 @Component
 struct MyComponent {
@@ -513,16 +543,13 @@ struct MyComponent {
           .width(200)
           .height(150)
           .margin(15)
-          .onComplete((msg: {
-            width: number,
-            height: number,
-            componentWidth: number,
-            componentHeight: number
-          }) => {
-            this.widthValue = msg.width
-            this.heightValue = msg.height
-            this.componentWidth = msg.componentWidth
-            this.componentHeight = msg.componentHeight
+          .onComplete(msg => {
+            if(msg){
+              this.widthValue = msg.width
+              this.heightValue = msg.height
+              this.componentWidth = msg.componentWidth
+              this.componentHeight = msg.componentHeight
+            }
           })
             // 图片获取失败，打印结果
           .onError(() => {
diff --git a/zh-cn/application-dev/ui/arkts-layout-development-create-grid.md b/zh-cn/application-dev/ui/arkts-layout-development-create-grid.md
index 0d92847dc72204e1bf57d2b607816a9d0a1be576..ab8d63ba46f7682ad7866287ad2aecd1246b6ee6 100644
--- a/zh-cn/application-dev/ui/arkts-layout-development-create-grid.md
+++ b/zh-cn/application-dev/ui/arkts-layout-development-create-grid.md
@@ -185,15 +185,14 @@ struct OfficeService {
   build() {
     Column() {
       Grid() {
-        ForEach(this.services, service => {
+        ForEach(this.services, (service:string) => {
           GridItem() {
             Text(service)
-              ...
           }
-        }, service => service)
+        }, ((service:string):string => service))
       }
-      .rowsTemplate('1fr 1fr')
-      .columnsTemplate('1fr 1fr')
+      .rowsTemplate(('1fr 1fr') as string)
+      .columnsTemplate(('1fr 1fr') as string)
       ...
     }
     ...
@@ -238,24 +237,20 @@ Grid() {
 ```ts
 @Component
 struct Shopping {
-  @State services: Array<string> = ['直播', '进口', ...]
-  ...
+  @State services: Array<string> = ['直播', '进口']
 
   build() {
     Column({ space: 5 }) {
       Grid() {
         ForEach(this.services, (service: string, index) => {
           GridItem() {
-            ...
           }
           .width('25%')
-        }, service => service)
+        }, ((service:string):string => service))
       }
       .rowsTemplate('1fr 1fr') // 只设置rowsTemplate属性，当内容超出Grid区域时，可水平滚动。
       .rowsGap(15)
-      ...
     }
-    ...
   }
 }
 ```
@@ -273,13 +268,19 @@ Grid组件初始化时，可以绑定一个[Scroller](../reference/arkui-ts/ts-c
 
 
 ```ts
-private scroller: Scroller = new Scroller()
+export let scroller: Scroller = new Scroller()
 ```
 
 在日历页面中，用户在点击“下一页”按钮时，应用响应点击事件，通过指定scrollPage方法的参数next为true，滚动到下一页。
 
 
 ```ts
+class Tmp{
+  scroller: Scroller = new Scroller()
+  set(boo:boolean){
+    this.scroller.scrollPage({next:boo})
+  }
+}
 Column({ space: 5 }) {
   Grid(this.scroller) {
     ...
@@ -290,16 +291,14 @@ Column({ space: 5 }) {
  Row({space: 20}) {
    Button('上一页')
      .onClick(() => {
-       this.scroller.scrollPage({
-         next: false
-       })
+       let ClickN = new Tmp()
+       ClickN.set(false)
      })
 
    Button('下一页')
      .onClick(() => {
-       this.scroller.scrollPage({
-         next: true
-       })
+       let ClickN = new Tmp()
+       ClickN.set(true)
      })
  }
 }
@@ -319,9 +318,8 @@ Column({ space: 5 }) {
 
 ```ts
 Grid() {
-  LazyForEach(this.dataSource, item => {
+  LazyForEach(this.dataSource, () => {
     GridItem() {
-      ...
     }
   })
 }
diff --git a/zh-cn/application-dev/ui/arkts-layout-development-create-list.md b/zh-cn/application-dev/ui/arkts-layout-development-create-list.md
index bbf53685abd2f1143dc0dc88224df6f9d44d997c..980ad2adf2e7edca4db5212f5e565c29bb2909d4 100644
--- a/zh-cn/application-dev/ui/arkts-layout-development-create-list.md
+++ b/zh-cn/application-dev/ui/arkts-layout-development-create-list.md
@@ -99,20 +99,30 @@ List组件的lanes属性通常用于在不同尺寸的设备自适应构建不
 
 
 ```ts
+class Tmp{
+  minLength:number = 200
+  maxLength:number = 300
+}
+let Mn:Tmp = new Tmp()
 List() {
   ...
 }
-.lanes(2)
+.lanes(Mn)
 ```
 
 当其取值为LengthConstrain类型时，表示会根据LengthConstrain与List组件的尺寸自适应决定行或列数。
 
 
 ```ts
+class Tmp{
+  minLength:number = 200
+  maxLength:number = 300
+}
+let mn:Tmp = new Tmp()
 List() {
   ...
 }
-.lanes({ minLength: 200, maxLength: 300 })
+.lanes(mn)
 ```
 
 例如，假设在垂直列表中设置了lanes的值为{ minLength: 200, maxLength: 300 }。此时，
@@ -229,10 +239,9 @@ class Contact {
 @Entry
 @Component
 struct SimpleContacts {
-  private contacts = [
+  private contacts:Array<object> = [
     new Contact('小明', $r("app.media.iconA")),
     new Contact('小红', $r("app.media.iconB")),
-    ...
   ]
 
   build() {
@@ -249,7 +258,7 @@ struct SimpleContacts {
           .width('100%')
           .justifyContent(FlexAlign.Start)
         }
-      }, item => item.key)
+      }, ((item:Contact):string => item.key))
     }
     .width('100%')
   }
@@ -288,15 +297,16 @@ startMargin和endMargin属性分别用于设置分隔线距离列表侧边起始
 
 
 ```ts
+let opt = {
+  'strokeWidth': 1,
+  'startMargin': 60,
+  'endMargin': 10,
+  'color': '#ffe9f0f0'
+} as Record<string,number|string>
 List() {
   ...
 }
-.divider({
-  strokeWidth: 1,
-  startMargin: 60,
-  endMargin: 10,
-  color: '#ffe9f0f0'
-})
+.divider(opt)
 ```
 
 此示例表示从距离列表侧边起始端60vp开始到距离结束端10vp的位置，画一条粗细为1vp的分割线，可以实现图9设置列表分隔线的样式。
@@ -378,7 +388,11 @@ struct ContactsList {
 
 
 ```ts
-contactsGroups: object[] = [
+class cgtmp{
+  title:string = ''
+  contacts:Array<object>|null = null
+}
+export let contactsGroups: object[] = [
   {
     title: 'A',
     contacts: [
@@ -386,15 +400,14 @@ contactsGroups: object[] = [
       new Contact('安安', $r('app.media.iconB')),
       new Contact('Angela', $r('app.media.iconC')),
     ],
-  },
+  } as cgtmp,
   {
     title: 'B',
     contacts: [
       new Contact('白叶', $r('app.media.iconD')),
       new Contact('伯明', $r('app.media.iconE')),
     ],
-  },
-  ...
+  } as cgtmp,
 ]
 ```
 
@@ -402,18 +415,30 @@ contactsGroups: object[] = [
 
 
 ```ts
+class cgtmpf{
+  title:string = ''
+  contacts:Array<object>|null = null
+  key:string = ''
+}
+class heF{
+  itemHead:Function = (text: string) => {}
+  foo(val:string){
+    this.itemHead(val)
+  }
+}
+let fff:heF = this.heF()
 List() {
   // 循环渲染ListItemGroup，contactsGroups为多个分组联系人contacts和标题title的数据集合
-  ForEach(this.contactsGroups, item => {
-    ListItemGroup({ header: this.itemHead(item.title) }) {
+  ForEach(contactsGroups, (item: cgtmpf) => {
+    ListItemGroup({ header: fff(item.title) }) {
       // 循环渲染ListItem
-      ForEach(item.contacts, (contact) => {
-        ListItem() {
-          ...
-        }
-      }, item => item.key)
+      if (item.contacts) {
+        ForEach(item.contacts, () => {
+          ListItem() {
+          }
+        }, ((item: cgtmpf): string => item.key))
+      }
     }
-    ...
   })
 }
 ```
@@ -452,16 +477,16 @@ struct ContactsList {
   build() {
     List() {
       // 循环渲染ListItemGroup，contactsGroups为多个分组联系人contacts和标题title的数据集合
-      ForEach(this.contactsGroups, item => {
+      ForEach(contactsGroups, (item:cgtmpf) => {
         ListItemGroup({ header: this.itemHead(item.title) }) {
           // 循环渲染ListItem
-          ForEach(item.contacts, (contact) => {
-            ListItem() {
-              ...
-            }
-          }, item => item.key)
+          if(item.contacts){
+            ForEach(item.contacts, () => {
+              ListItem() {
+              }
+            }, ((item:cgtmpf):string => item.key))
+          }
         }
-        ...
       })
     }
     .sticky(StickyStyle.Header)  // 设置吸顶，实现粘性标题效果
@@ -484,14 +509,15 @@ List组件初始化时，可以通过scroller参数绑定一个[Scroller](../ref
 
 
 ```ts
-private listScroller: Scroller = new Scroller();
+export let listScroller: Scroller = new Scroller();
 ```
 
 然后，通过将listScroller用于初始化List组件的scroller参数，完成listScroller与列表的绑定。在需要跳转的位置指定scrollToIndex的参数为0，表示返回列表顶部。
 
 
 ```ts
-Stack({ alignContent: Alignment.BottomEnd }) {
+let sttmo:Record<string,Alignment> = { 'alignContent': Alignment.BottomEnd }
+Stack(sttmo) {
   // 将listScroller用于初始化List组件的scroller参数，完成listScroller与列表的绑定。
   List({ space: 20, scroller: this.listScroller }) {
     ...
@@ -503,7 +529,7 @@ Stack({ alignContent: Alignment.BottomEnd }) {
   }
   .onClick(() => {
     // 点击按钮时，指定跳转位置，返回列表顶部
-    this.listScroller.scrollToIndex(0)
+    listScroller.scrollToIndex(0)
   })
   ...
 }
@@ -544,7 +570,6 @@ struct ContactsList {
       }
       .onScrollIndex((firstIndex: number) => {
         // 根据列表滚动到的索引值，重新计算对应联系人索引栏的位置this.selectedIndex
-        ...
       })
       ...
 
@@ -576,12 +601,22 @@ ListItem的swipeAction属性可用于实现列表项的左右滑动功能。swip
 
 
 ```ts
+class swtmp{
+  temp:Record<string,object> = {}
+  itemEnd:Function|undefined = undefined
+  get(index:number){
+    if(this.itemEnd){
+      this.temp = {'end':this.itemEnd(this, index)}
+    }
+    return this.temp
+  }
+}
+let swipertmp:swtmp = new swtmp()
 @Entry
 @Component
 struct MessageList {
   @State messages: object[] = [
     // 初始化消息列表数据
-    ...
   ];
 
   @Builder itemEnd(index: number) {
@@ -600,12 +635,13 @@ struct MessageList {
   build() {
     ...
       List() {
-        ForEach(this.messages, (item, index) => {
-          ListItem() {
-            ...
+        ForEach(this.messages, (item:MessageList, index:number|undefined) => {
+          if(index){
+            ListItem() {
+            }
+            .swipeAction(swipertmp.get(index)) // 设置侧滑属性.
           }
-          .swipeAction({ end: this.itemEnd.bind(this, index) }) // 设置侧滑属性
-        }, item => item.id.toString())
+        }, ((item:MessageList):string => item.id.toString()))
       }
     ...
   }
@@ -691,18 +727,27 @@ Badge({
 
    ```ts
    @State toDoData: ToDo[] = [];
-   private availableThings: string[] = ['读书', '运动', '旅游', '听音乐', '看电影', '唱歌'];
+  export let availableThings: string[] = ['读书', '运动', '旅游', '听音乐', '看电影', '唱歌'];
    ```
 
    最后，构建列表布局和列表项：
 
    ```ts
+  export class ToDo {
+    key: string = util.generateRandomUUID(true);
+    name: string;
+    toDoData:ToDo[] = [];
+
+    constructor(name: string) {
+      this.name = name;
+    }
+  }
+  let todo:ToDo = new ToDo()
    List({ space: 10 }) {
-     ForEach(this.toDoData, (toDoItem) => {
+     ForEach(todo.toDoData, (toDoItem:ToDo) => {
        ListItem() {
-         ...
        }
-     }, toDoItem => toDoItem.key)
+     }, ((toDoItem:ToDo):string => toDoItem.key))
    }
    ```
 
@@ -715,9 +760,9 @@ Badge({
    Text('+')
      .onClick(() => {
        TextPickerDialog.show({
-         range: this.availableThings,
+         range: availableThings,
          onAccept: (value: TextPickerResult) => {
-            this.toDoData.push(new ToDo(this.availableThings[value.index])); // 新增列表项数据toDoData
+            todo.toDoData.push(new ToDo(availableThings[value.index])); // 新增列表项数据toDoData
          },
        })
      })
@@ -737,64 +782,105 @@ Badge({
 1. 列表的删除功能一般进入编辑模式后才可使用，所以需要提供编辑模式的入口。
    以待办列表为例，通过监听列表项的长按事件，当用户长按列表项时，进入编辑模式。
 
-   ```ts
+  ```ts
+  class todoTmp{
+    isEditMode:boolean = false
+    selectedItems:Array<object> = []
+    toDoItem:ToDo[] = [];
+    toDoData:ToDo[] = [];
+  }
+  let todolist:todoTmp = new todoTmp()
    // ToDoListItem.ets
 
-   Flex({ justifyContent: FlexAlign.SpaceBetween, alignItems: ItemAlign.Center }) {
-     ...
-   }
-   .gesture(
-   GestureGroup(GestureMode.Exclusive,
-     LongPressGesture()
-       .onAction(() => {
-         if (!this.isEditMode) {
-           this.isEditMode = true; //进入编辑模式
-           this.selectedItems.push(this.toDoItem); // 记录长按时选中的列表项
-         }
-       })
-     )
-   )
+  Flex({ justifyContent: FlexAlign.SpaceBetween, alignItems: ItemAlign.Center }) {
+    ...
+  }
+  .gesture(
+  GestureGroup(GestureMode.Exclusive,
+    LongPressGesture()
+      .onAction(() => {
+        if (!todolist.isEditMode) {
+          todolist.isEditMode = true; //进入编辑模式
+          todolist.selectedItems.push(todolist.toDoItem); // 记录长按时选中的列表项
+        }
+      })
+    )
+  )
    ```
 
 2. 需要响应用户的选择交互，记录要删除的列表项数据。
    在待办列表中，通过勾选框的勾选或取消勾选，响应用户勾选列表项变化，记录所有选择的列表项。
 
-   ```ts
+  ```ts
+  import util from '@ohos.util';
+  export class ToDo {
+    key: string = util.generateRandomUUID(true);
+    name: string;
+    toDoData:ToDo[] = [];
+
+    constructor(name: string) {
+      this.name = name;
+    }
+  }
+  class todoTmp{
+    isEditMode:boolean = false
+    selectedItems:Array<object> = []
+    toDoItem:ToDo[] = [];
+    toDoData:ToDo[] = [];
+  }
+  let todolist:todoTmp = new todoTmp()
    // ToDoListItem.ets
 
-   if (this.isEditMode) {
-     Checkbox()
-       .onChange((isSelected) => {
-         if (isSelected) {
-           this.selectedItems.push(this.toDoItem) // 勾选时，记录选中的列表项
-         } else {
-           let index = this.selectedItems.indexOf(this.toDoItem)
-           if (index !== -1) {
-             this.selectedItems.splice(index, 1) // 取消勾选时，则将此项从selectedItems中删除
-           }
-         }
-       })
-       ...
-   }
+  if (todolist.isEditMode) {
+    Checkbox()
+      .onChange((isSelected) => {
+        if (isSelected) {
+          todolist.selectedItems.push(todolist.toDoItem) // 勾选时，记录选中的列表项
+        } else {
+          let index = todolist.selectedItems.indexOf(todolist.toDoItem)
+          if (index !== -1) {
+            todolist.selectedItems.splice(index, 1) // 取消勾选时，则将此项从selectedItems中删除
+          }
+        }
+      })
+      ...
+  }
    ```
 
 3. 需要响应用户点击删除按钮事件，删除列表中对应的选项。
 
-   ```ts
+  ```ts
+  import util from '@ohos.util';
+  export class ToDo {
+    key: string = util.generateRandomUUID(true);
+    name: string;
+    toDoData:ToDo[] = [];
+
+    constructor(name: string) {
+      this.name = name;
+    }
+  }
+  class todoTmp{
+    isEditMode:boolean = false
+    selectedItems:Array<object> = []
+    toDoItem:ToDo[] = [];
+    toDoData:ToDo[] = [];
+  }
+  let todolist:todoTmp = new todoTmp()
    // ToDoList.ets
 
-   Button('删除')
-     .onClick(() => {
-       // 删除选中的列表项对应的toDoData数据
-       let leftData = this.toDoData.filter((item) => {
-         return this.selectedItems.find((selectedItem) => selectedItem !== item);
-       })
+  Button('删除')
+    .onClick(() => {
+      // 删除选中的列表项对应的toDoData数据
+      let leftData = todolist.toDoData.filter((item) => {
+        return todolist.selectedItems.find((selectedItem) => selectedItem !== item);
+      })
 
-       this.toDoData = leftData;
-       this.isEditMode = false;
-     })
-     ...
-   ```
+      todolist.toDoData = leftData;
+      todolist.isEditMode = false;
+    })
+    ...
+  ```
 
 
 ## 长列表的处理
@@ -807,12 +893,17 @@ Badge({
 
 
 ```ts
+class dataTmp{
+  dataSource:IDataSource|undefined = undefined
+}
+let ds:dataTmp = new dataTmp()
 List() {
-  LazyForEach(this.dataSource, item => {
-    ListItem() {
-      ...
-    }
-  })
+  if(ds.dataSource){
+    LazyForEach(ds.dataSource, () => {
+      ListItem() {
+      }
+    })
+  }
 }.cachedCount(3)
 ```
 
diff --git a/zh-cn/application-dev/ui/arkts-layout-development-create-looping.md b/zh-cn/application-dev/ui/arkts-layout-development-create-looping.md
index ded226bb78e5940daecf6a1cfba5ecba3b7f9e10..a6ad04be6dad11d6cc158bc38f84df65c7515eee 100644
--- a/zh-cn/application-dev/ui/arkts-layout-development-create-looping.md
+++ b/zh-cn/application-dev/ui/arkts-layout-development-create-looping.md
@@ -19,7 +19,7 @@ Swiper作为一个容器组件，在自身尺寸属性未被设置时，会自
 
 ```ts
 ...
-private swiperController: SwiperController = new SwiperController()
+export let swiperController: SwiperController = new SwiperController()
 ...
 Swiper(this.swiperController) {
   Text("0")
@@ -156,6 +156,7 @@ Swiper(this.swiperController) {
   自定义导航点样式（示例：导航点直径设为30VP，左边距为0，导航点颜色设为红色）：
 
 ```ts
+let swco:Record<string,number|Color> = {'size':30,'left':0,'color':Color.Red}
 Swiper(this.swiperController) {
   Text("0")
     .width('90%')
@@ -178,11 +179,7 @@ Swiper(this.swiperController) {
     .textAlign(TextAlign.Center)
     .fontSize(30)
 }
-.indicatorStyle({
-  size: 30,
-  left: 0,
-  color: Color.Red
-})
+.indicatorStyle(swco)
 ```
 
 ![ind](figures/ind.PNG)
diff --git a/zh-cn/application-dev/ui/arkts-layout-development-flex-layout.md b/zh-cn/application-dev/ui/arkts-layout-development-flex-layout.md
index 5e75221ed6bca95f7b9be51cb7732c594121ff06..f5f90a6e8c2231732b8a4a92fce311487f6f6b38 100644
--- a/zh-cn/application-dev/ui/arkts-layout-development-flex-layout.md
+++ b/zh-cn/application-dev/ui/arkts-layout-development-flex-layout.md
@@ -159,13 +159,14 @@
 
 
   ```ts
+  let PTopBottom:Record<string,number> = { 'top': 10, 'bottom': 10 }
   Flex({ justifyContent: FlexAlign.Start }) {  
     Text('1').width('20%').height(50).backgroundColor(0xF5DEB3)
     Text('2').width('20%').height(50).backgroundColor(0xD2B48C)    
     Text('3').width('20%').height(50).backgroundColor(0xF5DEB3)
   }
   .width('90%')
-  .padding({ top: 10, bottom: 10 })
+  .padding(PTopBottom)
   .backgroundColor(0xAFEEEE)
   ```
 
@@ -175,13 +176,14 @@
 
 
   ```ts
+  let PTopBottom:Record<string,number> = { 'top': 10, 'bottom': 10 }
   Flex({ justifyContent: FlexAlign.Center }) {  
     Text('1').width('20%').height(50).backgroundColor(0xF5DEB3)  
     Text('2').width('20%').height(50).backgroundColor(0xD2B48C)   
     Text('3').width('20%').height(50).backgroundColor(0xF5DEB3)
   }
   .width('90%')
-  .padding({ top: 10, bottom: 10 })
+  .padding(PTopBottom)
   .backgroundColor(0xAFEEEE)
   ```
 
@@ -191,13 +193,14 @@
 
 
   ```ts
+  let PTopBottom:Record<string,number> = { 'top': 10, 'bottom': 10 }
   Flex({ justifyContent: FlexAlign.End }) {  
     Text('1').width('20%').height(50).backgroundColor(0xF5DEB3)  
     Text('2').width('20%').height(50).backgroundColor(0xD2B48C)   
     Text('3').width('20%').height(50).backgroundColor(0xF5DEB3)
   }
   .width('90%')
-  .padding({ top: 10, bottom: 10 })
+  .padding(PTopBottom)
   .backgroundColor(0xAFEEEE)
   ```
 
@@ -207,13 +210,14 @@
 
 
   ```ts
+  let PTopBottom1:Record<string,number> = { 'top': 10, 'bottom': 10 }
   Flex({ justifyContent: FlexAlign.SpaceBetween }) {  
     Text('1').width('20%').height(50).backgroundColor(0xF5DEB3)  
     Text('2').width('20%').height(50).backgroundColor(0xD2B48C)   
     Text('3').width('20%').height(50).backgroundColor(0xF5DEB3)
   }
   .width('90%')
-  .padding({ top: 10, bottom: 10 })
+  .padding(PTopBottom1)
   .backgroundColor(0xAFEEEE)
   ```
 
@@ -223,13 +227,14 @@
 
 
   ```ts
+  let PTopBottom:Record<string,number> = { 'top': 10, 'bottom': 10 }
   Flex({ justifyContent: FlexAlign.SpaceAround }) {  
     Text('1').width('20%').height(50).backgroundColor(0xF5DEB3)  
     Text('2').width('20%').height(50).backgroundColor(0xD2B48C)   
     Text('3').width('20%').height(50).backgroundColor(0xF5DEB3)
   }
   .width('90%')
-  .padding({ top: 10, bottom: 10 })
+  .padding(PTopBottom)
   .backgroundColor(0xAFEEEE)
   ```
 
@@ -239,13 +244,14 @@
 
 
   ```ts
+  let PTopBottom:Record<string,number> = { 'top': 10, 'bottom': 10 }
   Flex({ justifyContent: FlexAlign.SpaceEvenly }) {  
     Text('1').width('20%').height(50).backgroundColor(0xF5DEB3)  
     Text('2').width('20%').height(50).backgroundColor(0xD2B48C)   
     Text('3').width('20%').height(50).backgroundColor(0xF5DEB3)
   }
   .width('90%')
-  .padding({ top: 10, bottom: 10 })
+  .padding(PTopBottom)
   .backgroundColor(0xAFEEEE)
   ```
 
@@ -266,12 +272,13 @@
 
 
   ```ts
+  let SWh:Record<string,number|string> = { 'width': '90%', 'height': 80 }
   Flex({ alignItems: ItemAlign.Auto }) {  
     Text('1').width('33%').height(30).backgroundColor(0xF5DEB3)  
     Text('2').width('33%').height(40).backgroundColor(0xD2B48C)  
     Text('3').width('33%').height(50).backgroundColor(0xF5DEB3)
   }
-  .size({ width: '90%', height: 80 })
+  .size(SWh)
   .padding(10)
   .backgroundColor(0xAFEEEE)
   ```
@@ -282,12 +289,13 @@
 
 
   ```ts
+  let SWh:Record<string,number|string> = { 'width': '90%', 'height': 80 }
   Flex({ alignItems: ItemAlign.Start }) {  
     Text('1').width('33%').height(30).backgroundColor(0xF5DEB3)  
     Text('2').width('33%').height(40).backgroundColor(0xD2B48C)  
     Text('3').width('33%').height(50).backgroundColor(0xF5DEB3)
   }
-  .size({ width: '90%', height: 80 })
+  .size(SWh)
   .padding(10)
   .backgroundColor(0xAFEEEE)
   ```
@@ -298,12 +306,13 @@
 
 
   ```ts
+  let SWh:Record<string,number|string> = { 'width': '90%', 'height': 80 }
   Flex({ alignItems: ItemAlign.Center }) {  
     Text('1').width('33%').height(30).backgroundColor(0xF5DEB3)  
     Text('2').width('33%').height(40).backgroundColor(0xD2B48C)  
     Text('3').width('33%').height(50).backgroundColor(0xF5DEB3)
   }
-  .size({ width: '90%', height: 80 })
+  .size(SWh)
   .padding(10)
   .backgroundColor(0xAFEEEE)
   ```
@@ -314,12 +323,13 @@
 
 
   ```ts
+  let SWh:Record<string,number|string> = { 'width': '90%', 'height': 80 }
   Flex({ alignItems: ItemAlign.End }) {  
     Text('1').width('33%').height(30).backgroundColor(0xF5DEB3)  
     Text('2').width('33%').height(40).backgroundColor(0xD2B48C)  
     Text('3').width('33%').height(50).backgroundColor(0xF5DEB3)
   }
-  .size({ width: '90%', height: 80 })
+  .size(SWh)
   .padding(10)
   .backgroundColor(0xAFEEEE)
   ```
@@ -330,12 +340,13 @@
 
 
   ```ts
+  let SWh:Record<string,number|string> = { 'width': '90%', 'height': 80 }
   Flex({ alignItems: ItemAlign.Stretch }) {  
     Text('1').width('33%').height(30).backgroundColor(0xF5DEB3)  
     Text('2').width('33%').height(40).backgroundColor(0xD2B48C)  
     Text('3').width('33%').height(50).backgroundColor(0xF5DEB3)
   }
-  .size({ width: '90%', height: 80 })
+  .size(SWh)
   .padding(10)
   .backgroundColor(0xAFEEEE)
   ```
@@ -346,12 +357,13 @@
 
 
   ```ts
+  let SWh:Record<string,number|string> = { 'width': '90%', 'height': 80 }
   Flex({ alignItems: ItemAlign.Baseline }) {  
     Text('1').width('33%').height(30).backgroundColor(0xF5DEB3)  
     Text('2').width('33%').height(40).backgroundColor(0xD2B48C)  
     Text('3').width('33%').height(50).backgroundColor(0xF5DEB3)
   }
-  .size({ width: '90%', height: 80 })
+  .size(SWh)
   .padding(10)
   .backgroundColor(0xAFEEEE)
   ```
diff --git a/zh-cn/application-dev/ui/arkts-layout-development-grid-layout.md b/zh-cn/application-dev/ui/arkts-layout-development-grid-layout.md
index 3affd66f04a97ce5655ff925f912df66c80fd43a..e5cedcb9c238001afa2a69220aef229ea31047f7 100644
--- a/zh-cn/application-dev/ui/arkts-layout-development-grid-layout.md
+++ b/zh-cn/application-dev/ui/arkts-layout-development-grid-layout.md
@@ -73,7 +73,7 @@ GridRow({
     reference: BreakpointsReference.WindowSize
   }
 }) {
-   ForEach(this.bgColors, (color, index) => {
+   ForEach(this.bgColors, (color:Color, index?:number|undefined) => {
      GridCol({
        span: {
          xs: 2,
@@ -106,12 +106,14 @@ GridRow中通过columns设置栅格布局的总列数。
   @State bgColors: Color[] = [Color.Red, Color.Orange, Color.Yellow, Color.Green, Color.Pink, Color.Grey, Color.Blue, Color.Brown];
   ...
   GridRow() {
-    ForEach(this.bgColors, (item, index) => {
-      GridCol() {
-        Row() {
-          Text(`${index + 1}`)
-        }.width('100%').height('50')
-      }.backgroundColor(item)
+    ForEach(this.bgColors, (item:Color, index?:number|undefined) => {
+      if(index){
+        GridCol() {
+          Row() {
+              Text(`${index + 1}`)
+          }.width('100%').height('50')
+        }.backgroundColor(item)
+      }
     })
   }           
   ```
@@ -122,45 +124,58 @@ GridRow中通过columns设置栅格布局的总列数。
 
 
   ```ts
+  class CurrTmp{
+    currentBp: string = 'unknown';
+    set(val:string){
+      this.currentBp = val
+    }
+  }
+  let BorderWH:Record<string,Color|number> = { 'color': Color.Blue, 'width': 2 }
   @State bgColors: Color[] = [Color.Red, Color.Orange, Color.Yellow, Color.Green, Color.Pink, Color.Grey, Color.Blue, Color.Brown];
   @State currentBp: string = 'unknown';
   ...
   Row() {
     GridRow({ columns: 4 }) {
-      ForEach(this.bgColors, (item, index) => {
-        GridCol() {
-          Row() {
-            Text(`${index + 1}`)
-          }.width('100%').height('50')
-        }.backgroundColor(item)
+      ForEach(this.bgColors, (item:Color, index?:number|undefined) => {
+        if(index){
+          GridCol() {
+            Row() {
+              Text(`${index.toString() + 1}`)
+            }.width('100%').height('50')
+          }.backgroundColor(item)
+        }
       })
     }
     .width('100%').height('100%')
-    .onBreakpointChange((breakpoint) => {
-      this.currentBp = breakpoint
+    .onBreakpointChange((breakpoint:string) => {
+      let CurrSet:CurrTmp = new CurrTmp()
+      CurrSet.set(breakpoint)
     })
   }
   .height(160)
-  .border({ color: Color.Blue, width: 2 })
+  .border(BorderWH)
   .width('90%')
 
   Row() {
     GridRow({ columns: 8 }) {
-      ForEach(this.bgColors, (item, index) => {
-        GridCol() {
-          Row() {
-            Text(`${index + 1}`)
-          }.width('100%').height('50')
-        }.backgroundColor(item)
+      ForEach(this.bgColors, (item:Color, index?:number|undefined) => {
+        if(index){
+          GridCol() {
+            Row() {
+              Text(`${index.toString() + 1}`)
+            }.width('100%').height('50')
+          }.backgroundColor(item)
+        }
       })
     }
     .width('100%').height('100%')
-    .onBreakpointChange((breakpoint) => {
-      this.currentBp = breakpoint
+    .onBreakpointChange((breakpoint:string) => {
+      let CurrSet:CurrTmp = new CurrTmp()
+      CurrSet.set(breakpoint)
     })
   }
   .height(160)
-  .border({ color: Color.Blue, width: 2 })
+  .border(BorderWH)
   .width('90%')
   ```
 
@@ -172,12 +187,14 @@ GridRow中通过columns设置栅格布局的总列数。
   ```ts
   @State bgColors: Color[] = [Color.Red, Color.Orange, Color.Yellow, Color.Green, Color.Pink, Color.Grey, Color.Blue, Color.Brown]
   GridRow({ columns: { sm: 4, md: 8 }, breakpoints: { value: ['200vp', '300vp', '400vp', '500vp', '600vp'] } }) {
-    ForEach(this.bgColors, (item, index) => {
-      GridCol() {
-        Row() {
-          Text(`${index + 1}`)
-        }.width('100%').height('50')
-      }.backgroundColor(item)
+    ForEach(this.bgColors, (item:Color, index?:number|undefined) => {
+      if(index){
+        GridCol() {
+          Row() {
+            Text(`${index.toString() + 1}`)
+          }.width('100%').height('50')
+        }.backgroundColor(item)
+      }
     })
   }
   ```
@@ -241,30 +258,33 @@ GridCol组件作为GridRow组件的子组件，通过给GridCol传参或者设
 
 
   ```ts
+  let Gspan:Record<string,number> = { 'xs': 1, 'sm': 2, 'md': 3, 'lg': 4 }
   GridCol({ span: 2 }){}
   GridCol({ span: { xs: 1, sm: 2, md: 3, lg: 4 } }){}
   GridCol(){}.span(2)
-  GridCol(){}.span({ xs: 1, sm: 2, md: 3, lg: 4 })
+  GridCol(){}.span(Gspan)
   ```
 
 - 设置offset。
 
 
   ```ts
+  let Goffset:Record<string,number> = { 'xs': 1, 'sm': 2, 'md': 3, 'lg': 4 }
   GridCol({ offset: 2 }){}
   GridCol({ offset: { xs: 2, sm: 2, md: 2, lg: 2 } }){}
   GridCol(){}.offset(2)
-  GridCol(){}.offset({ xs: 1, sm: 2, md: 3, lg: 4 }) 
+  GridCol(){}.offset(Goffset) 
   ```
 
 - 设置order。
 
 
   ```ts
+  let Gorder:Record<string,number> = { 'xs': 1, 'sm': 2, 'md': 3, 'lg': 4 }
   GridCol({ order: 2 }){}
   GridCol({ order: { xs: 1, sm: 2, md: 3, lg: 4 } }){}
   GridCol(){}.order(2)
-  GridCol(){}.order({ xs: 1, sm: 2, md: 3, lg: 4 })
+  GridCol(){}.order(Gorder)
   ```
 
 
@@ -279,7 +299,7 @@ GridCol组件作为GridRow组件的子组件，通过给GridCol传参或者设
   @State bgColors: Color[] = [Color.Red, Color.Orange, Color.Yellow, Color.Green, Color.Pink, Color.Grey, Color.Blue, Color.Brown];
   ...
   GridRow({ columns: 8 }) {
-    ForEach(this.bgColors, (color, index) => {
+    ForEach(this.bgColors, (color:Color, index?:number|undefined) => {
       GridCol({ span: 2 }) {      
         Row() {
           Text(`${index}`)
@@ -299,7 +319,7 @@ GridCol组件作为GridRow组件的子组件，通过给GridCol传参或者设
   @State bgColors: Color[] = [Color.Red, Color.Orange, Color.Yellow, Color.Green, Color.Pink, Color.Grey, Color.Blue, Color.Brown];
   ...
   GridRow({ columns: 8 }) {
-    ForEach(this.bgColors, (color, index) => {
+    ForEach(this.bgColors, (color:Color, index?:number|undefined) => {
       GridCol({ span: { xs: 1, sm: 2, md: 3, lg: 4 } }) {      
         Row() {
           Text(`${index}`)
@@ -324,7 +344,7 @@ GridCol组件作为GridRow组件的子组件，通过给GridCol传参或者设
   @State bgColors: Color[] = [Color.Red, Color.Orange, Color.Yellow, Color.Green, Color.Pink, Color.Grey, Color.Blue, Color.Brown];
   ...
   GridRow() {
-    ForEach(this.bgColors, (color, index) => {
+    ForEach(this.bgColors, (color:Color, index?:number|undefined) => {
       GridCol({ offset: 2 }) {      
         Row() {
           Text('' + index)
@@ -347,7 +367,7 @@ GridCol组件作为GridRow组件的子组件，通过给GridCol传参或者设
   ...
 
   GridRow() {
-    ForEach(this.bgColors, (color, index) => {
+    ForEach(this.bgColors, (color:Color, index?:number|undefined) => {
       GridCol({ offset: { xs: 1, sm: 2, md: 3, lg: 4 } }) {      
         Row() {
           Text('' + index)
diff --git a/zh-cn/application-dev/ui/arkts-layout-development-linear.md b/zh-cn/application-dev/ui/arkts-layout-development-linear.md
index f1a3c194d2254eeb8fd9bbf79ec6e33b05a324c9..51bba9a19ebf1c3e7817eb3660ae1c36367b039d 100644
--- a/zh-cn/application-dev/ui/arkts-layout-development-linear.md
+++ b/zh-cn/application-dev/ui/arkts-layout-development-linear.md
@@ -567,8 +567,9 @@ struct BlankExample {
     build() {
       Scroll(this.scroller) {
         Column() {
-          ForEach(this.arr, (item) => {
-            Text(item.toString())
+          ForEach(this.arr, (item?:number|undefined) => {
+            if(item){
+              Text(item.toString())
               .width('90%')
               .height(150)
               .backgroundColor(0xFFFFFF)
@@ -576,7 +577,8 @@ struct BlankExample {
               .fontSize(16)
               .textAlign(TextAlign.Center)
               .margin({ top: 10 })
-          }, item => item)
+            }
+          }, ((item:string):string => item))
         }.width('100%')
       }
       .backgroundColor(0xDCDCDC)
@@ -604,8 +606,9 @@ struct BlankExample {
     build() {
       Scroll(this.scroller) {
         Row() {
-          ForEach(this.arr, (item) => {
-            Text(item.toString())
+          ForEach(this.arr, (item?:number|undefined) => {
+            if(item){
+              Text(item.toString())
               .height('90%')
               .width(150)
               .backgroundColor(0xFFFFFF)
@@ -613,6 +616,7 @@ struct BlankExample {
               .fontSize(16)
               .textAlign(TextAlign.Center)
               .margin({ left: 10 })
+            }
           })
         }.height('100%')
       }
diff --git a/zh-cn/application-dev/ui/arkts-layout-development-media-query.md b/zh-cn/application-dev/ui/arkts-layout-development-media-query.md
index c7887abe8e8f3cffebbdafcebda1cd32fe8b4e14..0a91ad2dd67b658859b89b19befb968bc72e4fff 100644
--- a/zh-cn/application-dev/ui/arkts-layout-development-media-query.md
+++ b/zh-cn/application-dev/ui/arkts-layout-development-media-query.md
@@ -25,15 +25,15 @@ import mediaquery from '@ohos.mediaquery';
 
 
 ```ts
-let listener = mediaquery.matchMediaSync('(orientation: landscape)');
+let listener:mediaquery = mediaquery.matchMediaSync('(orientation: landscape)');
 ```
 
 给条件监听句柄listener绑定回调函数onPortrait，当listener检测设备状态变化时执行回调函数。在回调函数内，根据不同设备状态更改页面布局或者实现业务逻辑。
 
 
 ```ts
-onPortrait(mediaQueryResult) {
-  if (mediaQueryResult.matches) {
+onPortrait(mediaQueryResult:mediaquery) {
+  if (mediaQueryResult.matches as boolean) {
     // do something here
   } else {
     // do something here
@@ -143,19 +143,18 @@ import mediaquery from '@ohos.mediaquery';
 import window from '@ohos.window';
 import common from '@ohos.app.ability.common';
 
-let portraitFunc = null;
-
+export let portraitFunc:mediaquery.MediaQueryResult|void|null = null;
 @Entry
 @Component
 struct MediaQueryExample {
   @State color: string = '#DB7093';
   @State text: string = 'Portrait';
   // 当设备横屏时条件成立
-  listener = mediaquery.matchMediaSync('(orientation: landscape)');
+  listener:mediaquery = mediaquery.matchMediaSync('(orientation: landscape)');
 
   // 当满足媒体查询条件时，触发回调
-  onPortrait(mediaQueryResult) {
-    if (mediaQueryResult.matches) { // 若设备为横屏状态，更改相应的页面布局
+  onPortrait(mediaQueryResult:mediaquery) {
+    if (mediaQueryResult.matches as boolean) { // 若设备为横屏状态，更改相应的页面布局
       this.color = '#FFD700';
       this.text = 'Landscape';
     } else {
@@ -166,7 +165,7 @@ struct MediaQueryExample {
 
   aboutToAppear() {
     // 绑定当前应用实例
-    portraitFunc = this.onPortrait.bind(this);
+    portraitFunc = this.onPortrait(this);
     // 绑定回调函数
     this.listener.on('change', portraitFunc);
   }
@@ -174,7 +173,7 @@ struct MediaQueryExample {
   // 改变设备横竖屏状态函数
   private changeOrientation(isLandscape: boolean) {
     // 获取UIAbility实例的上下文信息
-    let context = getContext(this) as common.UIAbilityContext;
+    let context:common.UIAbilityContext = getContext(this) as common.UIAbilityContext;
     // 调用该接口手动改变设备横竖屏状态
     window.getLastWindow(context).then((lastWindow) => {
       lastWindow.setPreferredOrientation(isLandscape ? window.Orientation.LANDSCAPE : window.Orientation.PORTRAIT)
@@ -205,17 +204,17 @@ FA模型下的示例：
 import mediaquery from '@ohos.mediaquery';
 import featureAbility from '@ohos.ability.featureAbility';
 
-let portraitFunc = null;
+let portraitFunc:mediaquery.MediaQueryResult|void|null = null;
 
 @Entry
 @Component
 struct MediaQueryExample {
   @State color: string = '#DB7093';
   @State text: string = 'Portrait';
-  listener = mediaquery.matchMediaSync('(orientation: landscape)'); // 当设备横屏时条件成立
+  listener:mediaquery = mediaquery.matchMediaSync('(orientation: landscape)'); // 当设备横屏时条件成立
 
-  onPortrait(mediaQueryResult) { // 当满足媒体查询条件时，触发回调
-    if (mediaQueryResult.matches) { // 若设备为横屏状态，更改相应的页面布局
+  onPortrait(mediaQueryResult:mediaquery) { // 当满足媒体查询条件时，触发回调
+    if (mediaQueryResult.matches as boolean) { // 若设备为横屏状态，更改相应的页面布局
       this.color = '#FFD700';
       this.text = 'Landscape';
     } else {
@@ -225,7 +224,7 @@ struct MediaQueryExample {
   }
 
   aboutToAppear() {
-    portraitFunc = this.onPortrait.bind(this); // 绑定当前应用实例
+    portraitFunc = this.onPortrait(this); // 绑定当前应用实例
     this.listener.on('change', portraitFunc); //绑定回调函数
   }
 
@@ -234,12 +233,12 @@ struct MediaQueryExample {
       Text(this.text).fontSize(50).fontColor(this.color)
       Text('Landscape').fontSize(50).fontColor(this.color).backgroundColor(Color.Orange)
         .onClick(() => {
-          let context = featureAbility.getContext();
+          let context:featureAbility = featureAbility.getContext();
           context.setDisplayOrientation(0); //调用该接口手动改变设备横竖屏状态
         })
       Text('Portrait').fontSize(50).fontColor(this.color).backgroundColor(Color.Orange)
         .onClick(() => {
-          let context = featureAbility.getContext();
+          let context:featureAbility = featureAbility.getContext();
           context.setDisplayOrientation(1); //调用该接口手动改变设备横竖屏状态
         })
     }
diff --git a/zh-cn/application-dev/ui/arkts-layout-development-relative-layout.md b/zh-cn/application-dev/ui/arkts-layout-development-relative-layout.md
index 956b221c9bb04194c81bb61254a4480472cce763..7cfbaef6a8262c447ea9a53b0f7676823ed4cd2d 100644
--- a/zh-cn/application-dev/ui/arkts-layout-development-relative-layout.md
+++ b/zh-cn/application-dev/ui/arkts-layout-development-relative-layout.md
@@ -35,24 +35,25 @@
 - RelativeContainer父组件为锚点，__container__代表父容器的id。
 
   ```ts
+  let AlignRus:Record<string,Record<string,string|VerticalAlign|HorizontalAlign>> = {
+    'top': { 'anchor': '__container__', 'align': VerticalAlign.Top },
+    'left': { 'anchor': '__container__', 'align': HorizontalAlign.Start }
+  }
+  let AlignRue:Record<string,Record<string,string|VerticalAlign|HorizontalAlign>> = {
+    'top': { 'anchor': '__container__', 'align': VerticalAlign.Top },
+    'left': { 'anchor': '__container__', 'align': HorizontalAlign.End }
+  }
   RelativeContainer() {
     Row()
       // 添加其他属性
-      .alignRules({
-        top: { anchor: '__container__', align: VerticalAlign.Top },
-        left: { anchor: '__container__', align: HorizontalAlign.Start }
-      })
+      .alignRules(AlignRus)
       .id("row1")
 
     Row()
       ...
-      .alignRules({
-        top: { anchor: '__container__', align: VerticalAlign.Top },
-        right: { anchor: '__container__', align: HorizontalAlign.End }
-      })
+      .alignRules(AlignRue)
       .id("row2")
   }
-  ...
   ```
 
   ![zh-cn_image_0000001562820901](figures/zh-cn_image_0000001562820901.png)
@@ -60,14 +61,15 @@
 - 以子元素为锚点。
 
   ```ts
-  RelativeContainer() {
-    ...
-    top: { anchor: 'row1', align: VerticalAlign.Bottom },
-    ...
+  let RelConB:Record<string,Record<string,string|VerticalAlign|HorizontalAlign>> = {
+    'top': { 'anchor': 'row1', 'align': VerticalAlign.Bottom }
   }
+  let Mleft:Record<string,number> = { 'left': 20 }
+  let BWC:Record<string,number|string> = { 'width': 2, 'color': '#6699FF' }
+  RelativeContainer() {RelConB}
   .width(300).height(300)
-  .margin({ left: 20 })
-  .border({ width: 2, color: '#6699FF' })
+  .margin(Mleft)
+  .border(BWC)
   ```
 
   ![zh-cn_image_0000001562940613](figures/zh-cn_image_0000001562940613.png)
diff --git a/zh-cn/application-dev/ui/arkts-layout-development-stack-layout.md b/zh-cn/application-dev/ui/arkts-layout-development-stack-layout.md
index 6db0b3d1153d0336cbe6cd13a705d8bf8c15c7fe..eae6203cb452b2b23c4ae5ff7194aa282faa258e 100644
--- a/zh-cn/application-dev/ui/arkts-layout-development-stack-layout.md
+++ b/zh-cn/application-dev/ui/arkts-layout-development-stack-layout.md
@@ -22,12 +22,13 @@ Stack组件为容器组件，容器内可包含各种子组件。其中的子组
 
 
 ```ts
+let MTop:Record<string,number> = { 'top': 50 }
 Column(){
   Stack({ }) {
     Column(){}.width('90%').height('100%').backgroundColor('#ff58b87c')
     Text('text').width('60%').height('60%').backgroundColor('#ffc3f6aa')
     Button('button').width('30%').height('30%').backgroundColor('#ff8ff3eb').fontColor('#000')
-  }.width('100%').height(150).margin({ top: 50 })
+  }.width('100%').height(150).margin(MTop)
 }
 ```
 
@@ -51,6 +52,7 @@ Stack容器中兄弟组件显示层级关系可以通过[Z序控制](../referenc
   在层叠布局中，如果后面子元素尺寸大于前面子元素尺寸，则前面子元素完全隐藏。
 
 ```ts
+let MTopM1:Record<string,number> = { 'top': 100 }
 Stack({ alignContent: Alignment.BottomStart }) {
   Column() {
     Text('Stack子元素1').textAlign(TextAlign.End).fontSize(20)
@@ -63,7 +65,7 @@ Stack({ alignContent: Alignment.BottomStart }) {
   Column() {
     Text('Stack子元素3').fontSize(20)
   }.width(200).height(200).backgroundColor(Color.Grey)
-}.margin({ top: 100 }).width(350).height(350).backgroundColor(0xe0e0e0)
+}.margin(MTopM1).width(350).height(350).backgroundColor(0xe0e0e0)
 ```
 
 ![zh-cn_image_0000001511900544](figures/zh-cn_image_0000001511900544.png)
@@ -72,6 +74,7 @@ Stack({ alignContent: Alignment.BottomStart }) {
 
 
 ```ts
+let MTopM:Record<string,number> = { 'top': 100 }
 Stack({ alignContent: Alignment.BottomStart }) {
   Column() {
     Text('Stack子元素1').fontSize(20)
@@ -84,7 +87,7 @@ Stack({ alignContent: Alignment.BottomStart }) {
   Column() {
     Text('Stack子元素3').fontSize(20)
   }.width(200).height(200).backgroundColor(Color.Grey)
-}.margin({ top: 100 }).width(350).height(350).backgroundColor(0xe0e0e0)
+}.margin(MTopM).width(350).height(350).backgroundColor(0xe0e0e0)
 ```
 
 ![zh-cn_image_0000001563060797](figures/zh-cn_image_0000001563060797.png)
@@ -104,7 +107,7 @@ struct StackSample {
   build() {
     Stack({ alignContent: Alignment.Bottom }) {
       Flex({ wrap: FlexWrap.Wrap }) {
-        ForEach(this.arr, (item) => {
+        ForEach(this.arr, (item:string) => {
           Text(item)
             .width(100)
             .height(100)
@@ -113,7 +116,7 @@ struct StackSample {
             .textAlign(TextAlign.Center)
             .borderRadius(10)
             .backgroundColor(0xFFFFFF)
-        }, item => item)
+        }, ((item:string):string => item))
       }.width('100%').height('100%')
 
       Flex({ justifyContent: FlexAlign.SpaceAround, alignItems: ItemAlign.Center }) {
diff --git a/zh-cn/application-dev/ui/arkts-modal-transition.md b/zh-cn/application-dev/ui/arkts-modal-transition.md
index 773942bd52237e4c7864990881ae9b6b6ee034a2..0ccae74cefbbd062575a6c526c8170aeea2d11e0 100644
--- a/zh-cn/application-dev/ui/arkts-modal-transition.md
+++ b/zh-cn/application-dev/ui/arkts-modal-transition.md
@@ -38,6 +38,12 @@
 3. 通过模态接口调起模态展示界面，通过转场动画或者共享元素动画去实现对应的动画效果。
   
    ```ts
+  class PresentTmp{
+    isPresent: boolean = false;
+    set(){
+      this.isPresent = !this.isPresent;
+    }
+  }
    // 模态转场控制变量
    @State isPresent: boolean = false;
    
@@ -46,7 +52,8 @@
      .bindContentCover($$this.isPresent, this.MyBuilder, ModalTransition.None)
      .onClick(() => {
        // 改变状态变量，让模态界面显示
-       this.isPresent = !this.isPresent;
+       let setPre:PresentTmp = new PresentTmp()
+       setPre.set()
      })
    ```
 
@@ -147,7 +154,7 @@ struct BindContentCoverDemo {
 struct BindSheetDemo {
 
   // 半模态转场高度控制变量
-  @State sheetHeight: number = 300;
+  @State sheetHeight: number|SheetSize|null|undefined = 300;
   // 半模态转场控制条控制变量
   @State showDragBar: boolean = true;
 
@@ -190,7 +197,8 @@ struct BindSheetDemo {
 
   build() {
     Column() {
-      Button("Click to present sheet view")
+      if(this.sheetHeight){
+        Button("Click to present sheet view")
         .onClick(() => {
           // 改变状态变量，让模态界面显示
           this.isPresent = !this.isPresent;
@@ -199,6 +207,7 @@ struct BindSheetDemo {
         .margin(10)
           // 通过选定的半模态接口，绑定模态展示界面，style中包含两个参数，一个是设置半模态的高度，不设置时默认高度是Large,一个是是否显示控制条DragBar,默认是true显示控制条
         .bindSheet($$this.isPresent, this.myBuilder(), { height: this.sheetHeight, dragBar: this.showDragBar })
+      }
     }
     .justifyContent(FlexAlign.Center)
     .width('100%')
@@ -216,6 +225,10 @@ struct BindSheetDemo {
 
 
 ```ts
+class BMD{
+  value:string = ''
+  action:Function|undefined = undefined
+}
 @Entry
 @Component
 struct BindMenuDemo {
@@ -227,13 +240,13 @@ struct BindMenuDemo {
       action: () => {
         console.info('handle Menu1 select')
       }
-    },
+    } as BMD,
     {
       value: '菜单项2',
       action: () => {
         console.info('handle Menu2 select')
       }
-    },
+    } as BMD,
   ]
 
   build() {
@@ -271,16 +284,18 @@ struct BindContextMenuDemo {
   @Builder MyMenu() {
     Row() {
       Column() {
-        ForEach(this.num, (item: number, index: number) => {
-          Row() {
-            Text(item.toString())
-              .fontSize(20)
-              .fontColor(Color.White)
+        ForEach(this.num, (item: number, index?: number|undefined) => {
+          if(index){
+            Row() {
+              Text(item.toString())
+                .fontSize(20)
+                .fontColor(Color.White)
+            }
+            .backgroundColor(this.colors[index])
+            .width('100%')
+            .aspectRatio(2)
+            .justifyContent(FlexAlign.Center)
           }
-          .backgroundColor(this.colors[index])
-          .width('100%')
-          .aspectRatio(2)
-          .justifyContent(FlexAlign.Center)
         })
       }
       .width('100%')
diff --git a/zh-cn/design/ux-design/design-deliverable-overview.md b/zh-cn/design/ux-design/design-deliverable-overview.md
index 383f1f4ca400fc73bb7e956177df6d8726cf030e..9311b14377a5867fc6bcab2bf02dd0ab27815840 100644
--- a/zh-cn/design/ux-design/design-deliverable-overview.md
+++ b/zh-cn/design/ux-design/design-deliverable-overview.md
@@ -11,3 +11,5 @@
 
 
 ![4.8-交付4件套](figures/4.8-交付4件套.png)
+
+为方便UX设计师以及开发者参考使用，本文特提供符合规范的设计交付件样例，详见：[资源](design-resources.md)
diff --git a/zh-cn/design/ux-design/design-resources.md b/zh-cn/design/ux-design/design-resources.md
index 6406f9d45cf265904056a4ab112674a2d07ab407..ec89ed81c537a467dd1443007f65da00cb7b1fde 100644
--- a/zh-cn/design/ux-design/design-resources.md
+++ b/zh-cn/design/ux-design/design-resources.md
@@ -3,9 +3,9 @@
 为方便UX设计师以及开发者参考使用，本文特提供：
 
 
-- [分层参数](https://gitee.com/openharmony/docs/blob/master/zh-cn/application-dev/key-features/multi-device-app-dev/visual-basics.md)的场景、id、参数详细对照表，[OpenHarmony系统资源分层设计表V1.0.xlsm](https://gitee.com/openharmony/docs/blob/master/zh-cn/application-dev/key-features/multi-device-app-dev/OpenHarmony_%E7%B3%BB%E7%BB%9F%E8%B5%84%E6%BA%90%E5%88%86%E5%B1%82%E8%AE%BE%E8%AE%A1%E8%A1%A8_V1.0.xlsm)
+- [分层参数](visual-basis.md)的场景、id、参数详细对照表，[OpenHarmony系统资源分层设计表V1.0.xlsm](figures/OpenHarmony_系统资源分层设计表_V1.0.xlsm)
 
-- 符合规范的[设计交付件](https://gitee.com/openharmony/docs/blob/master/zh-cn/application-dev/key-features/multi-device-app-dev/design-delivery.md)样例，[OpenHarmony天气应用UX设计交付件V1.0.zip](https://gitee.com/openharmony/docs/blob/master/zh-cn/application-dev/key-features/multi-device-app-dev/OpenHarmony_%E5%A4%A9%E6%B0%94%E5%BA%94%E7%94%A8UX%E8%AE%BE%E8%AE%A1%E4%BA%A4%E4%BB%98%E4%BB%B6_V1.0.zip)
+- 符合规范的[设计交付件](design-deliverable-overview.md)样例，[OpenHarmony天气应用UX设计交付件V1.0.zip](figures/OpenHarmony_天气应用UX设计交付件_V1.0.zip)
 
 - OpenHarmony[图标](visual-icons.md)资源，[OpenHarmony_Icons.zip](figures/OpenHarmony_Icons.zip)
 
diff --git "a/zh-cn/design/ux-design/figures/OpenHarmony_\345\244\251\346\260\224\345\272\224\347\224\250UX\350\256\276\350\256\241\344\272\244\344\273\230\344\273\266_V1.0.zip" "b/zh-cn/design/ux-design/figures/OpenHarmony_\345\244\251\346\260\224\345\272\224\347\224\250UX\350\256\276\350\256\241\344\272\244\344\273\230\344\273\266_V1.0.zip"
new file mode 100644
index 0000000000000000000000000000000000000000..865d30b89e6646c00f44479346cc74362ac3c33e
--- /dev/null
+++ "b/zh-cn/design/ux-design/figures/OpenHarmony_\345\244\251\346\260\224\345\272\224\347\224\250UX\350\256\276\350\256\241\344\272\244\344\273\230\344\273\266_V1.0.zip"
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:15bcc1b49648e188dcfa20cfd278b7a81148521095d26cd32899e31114a653c6
+size 15173412
diff --git "a/zh-cn/design/ux-design/figures/OpenHarmony_\347\263\273\347\273\237\350\265\204\346\272\220\345\210\206\345\261\202\350\256\276\350\256\241\350\241\250_V1.0.xlsm" "b/zh-cn/design/ux-design/figures/OpenHarmony_\347\263\273\347\273\237\350\265\204\346\272\220\345\210\206\345\261\202\350\256\276\350\256\241\350\241\250_V1.0.xlsm"
new file mode 100644
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Binary files /dev/null and "b/zh-cn/design/ux-design/figures/OpenHarmony_\347\263\273\347\273\237\350\265\204\346\272\220\345\210\206\345\261\202\350\256\276\350\256\241\350\241\250_V1.0.xlsm" differ
diff --git a/zh-cn/design/ux-design/figures/fling.png b/zh-cn/design/ux-design/figures/fling.png
new file mode 100644
index 0000000000000000000000000000000000000000..8fa22a265f1eea4f118bfa8f5ce1b72ee73001a0
Binary files /dev/null and b/zh-cn/design/ux-design/figures/fling.png differ
diff --git a/zh-cn/design/ux-design/figures/longpress.jpg b/zh-cn/design/ux-design/figures/longpress.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..d45d5f56a553316bd8876a61bdf7fd5639ab1125
Binary files /dev/null and b/zh-cn/design/ux-design/figures/longpress.jpg differ
diff --git a/zh-cn/design/ux-design/figures/scroll.jpg b/zh-cn/design/ux-design/figures/scroll.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..5ce1c496ddbdd2f4efebc1a196a02b3eb365e70b
Binary files /dev/null and b/zh-cn/design/ux-design/figures/scroll.jpg differ
diff --git a/zh-cn/design/ux-design/figures/zh-cn_image_0000001268533753.jpg b/zh-cn/design/ux-design/figures/zh-cn_image_0000001268533753.jpg
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diff --git a/zh-cn/design/ux-design/figures/zh-cn_image_0000001268653953.png b/zh-cn/design/ux-design/figures/zh-cn_image_0000001268653953.png
new file mode 100644
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Binary files /dev/null and b/zh-cn/design/ux-design/figures/zh-cn_image_0000001268653953.png differ
diff --git a/zh-cn/design/ux-design/figures/zoom.png b/zh-cn/design/ux-design/figures/zoom.png
new file mode 100644
index 0000000000000000000000000000000000000000..b60e93e5fc35cb31b9b0b2b05cfaec5c7a37b8b7
Binary files /dev/null and b/zh-cn/design/ux-design/figures/zoom.png differ
diff --git a/zh-cn/design/ux-design/unified-interaction-events.md b/zh-cn/design/ux-design/unified-interaction-events.md
index 0a431eb5c84af0b72447f8f8ea7e7c4578392d69..f0757b5b0206a05ec677977768301c6da45eee34 100644
--- a/zh-cn/design/ux-design/unified-interaction-events.md
+++ b/zh-cn/design/ux-design/unified-interaction-events.md
@@ -1,53 +1,147 @@
 # 交互事件归一
 
-本章节描述了在多种交互任务或场景下，应用在触屏上和其它常用的输入方式（例如鼠标、触摸板、键盘）上分别对应的正确的交互规则。**设计师和开发者应保证在当前输入方式下应用能够以正确的、符合用户习惯的交互规则进行响应。**
+本章节描述了在多种交互任务或场景下，应用在常用的输入设备（例如触控屏、鼠标、触控板、键盘）上分别对应的正确的交互规则。**设计师和开发者应保证在当前输入方式（设备）下应用能够以正确的、符合用户习惯的交互规则进行响应。**
 
 
 ![zh-cn_image_0000001568093289](figures/zh-cn_image_0000001568093289.png)
 
+## 悬浮
 
-## 打开/切换对象
+应用场景<br>
+用户通过在某个元素上悬浮可以预览到更多信息或功能。
 
-用户通过点击某个元素触发功能、访问新页面、或改变自身状态。
+| **输入设备/方式** | **交互行为**  |
+| -------- | -------- | 
+| 触屏 | N/A | 
+| 鼠标 | 光标移动到物体上。 |
+| 触摸板 | 光标移动到物体上。 | 
+| 键盘 | N/A | 
 
-  | **输入方式** | **交互行为** | **示意** | 
-| -------- | -------- | -------- |
-| 触屏 | 单指单击 | ![zh-cn_image_0000001568093285](figures/zh-cn_image_0000001568093285.png) | 
-| 鼠标 | 左键单击&nbsp;/&nbsp;左键双击 | ![zh-cn_image_0000001517612968](figures/zh-cn_image_0000001517612968.png) | 
-| 触摸板 | 单指单击&nbsp;/&nbsp;单指双击 | ![zh-cn_image_0000001568212997](figures/zh-cn_image_0000001568212997.png) | 
-| 键盘 | 移动焦点到对象上后按下Enter键 | ![zh-cn_image_0000001517453012](figures/zh-cn_image_0000001517453012.png) | 
+手写笔的悬浮交互需要手写笔硬件支持悬浮能力。
+## 单击
 
-一般地，触屏手指的按下/抬起行为对应于光标的按下/抬起行为。
+应用场景<br>
+用户通过点击某些元素激活控件、访问新页面、或改变自身状态。
 
-在一些特殊场景，可能会存在使用鼠标/触摸板双击打开对象的交互方案，例如电脑模式下打开桌面应用或文件。此类情况需由应用单独特殊处理，且同一功能不能同时支持单击和双击两种交互方式。
+| **输入设备/方式** | **交互行为**  |
+| -------- | -------- | 
+| 触屏 | 单指单击。 | 
+| 鼠标 | 按压鼠标左键。 |
+| 触摸板 | 单指轻点/单指按压。 | 
+| 键盘 | 走焦状态下，移动焦点到对象上后按下空格键。 | 
 
+一般地，触屏手指的按下/抬起行为对应光标的按下/抬起行为。<br>
+在一些特殊场景，可能会存在使用鼠标/触摸双击打开对象的交互方案，例如电脑模式下打开桌面应用或文件。此类情况需由应用单独特殊处理，且同一功能不能同时支持单击和双击两种交互方式。
+## 双击
 
-## 显示菜单
+应用场景<br>
+用户通过双击进行某些快捷操作，如快速放大图片、点赞等。
 
+| **输入设备/方式** | **交互行为**  |
+| -------- | -------- | 
+| 触屏 | 单指点击两下。 | 
+| 鼠标 | 快速点击鼠标左键两下。 |
+| 触摸板 | 单指轻点两下/单指按压两下。 | 
+| 键盘 | 走焦状态下，移动焦点到对象上后按压两次空格键。 | 
+
+## 长按
+应用场景<br>
+用户通过长按进行某些快捷操作，如长按视频倍速播放等。
+
+![ longpress ](figures/longpress.jpg)
+
+| **输入设备/方式** | **交互行为**  |
+| -------- | -------- | 
+| 触屏 | 单指长按。 | 
+| 鼠标 | 长按左键。 |
+| 触摸板 | 单指长按。 | 
+| 键盘 | 走焦状态下，移动到对象上长按空格。 | 
+
+## 上下文菜单
+应用场景<br>
 某个元素上显示弹出菜单或快捷方式菜单。
 
-![zh-cn_image_0000001568293165](figures/zh-cn_image_0000001568293165.jpg)
+![zh-cn_image_0000001268533753](figures/zh-cn_image_0000001268533753.jpg)
 
-  | **输入方式** | **交互行为** | 
+| **输入设备/方式** | **交互行为** |
 | -------- | -------- |
-| 触屏 | 单指长按 | 
-| 鼠标 | 右键单击（与PC一致）/&nbsp;左键长按（保留触屏习惯） | 
-| 触摸板 | 双指轻单击/重单击（与PC一致）/&nbsp;单指重长按（保留触屏习惯） | 
-| 键盘 | （无通用操作） | 
-
-这里的菜单指的是广义的菜单，即用于展示用户可执行的操作的临时性弹出窗口。
+| 触屏 | 单指长按  |
+| 鼠标 | 右键单击 |
+| 触摸板 | 双指轻点/按压（与PC一致）,<br> 单击/单指长按（保留触屏习惯）。 |
+| 键盘 | shift+F10 或 LOGO+M。 |
 
+这里的菜单指的是广义的菜单，即用于展示用户可执行的操作的临时性弹出窗口。<br>
 凡是在触屏上通过长按显示的菜单，都需要支持鼠标右键单击和触摸板双指单击的触发方式。
 
+## 拖拽
 
-## 拖拽对象
-
-直接指向某个元素并移动到界面其他位置
+应用场景<br>
+移动某个元素位置或者移动某个元素用于发送等。
 
-![zh-cn_image_0000001568412901](figures/zh-cn_image_0000001568412901.png)
+![zh-cn_image_0000001268653953](figures/zh-cn_image_0000001268653953.png)
 
-  | **输入方式** | **交互行为** | 
+  | **输入设备/方式** | **交互行为** | 
 | -------- | -------- |
-| 触屏 | 长按某对象后触发可拖拽状态，然后移动手指改变对象位置。 | 
-| 鼠标&nbsp;/&nbsp;触摸板 | 鼠标左键或触摸板单指按下即可拖拽对象（无需长按等待）。 | 
-| 键盘 | （无通用操作） | 
+| 触屏 | 长按并移动。 | 
+| 鼠标| 按压左键并移动鼠标（无需长按等待）。 | 
+| 触摸板 | 按压左键并移动。 | 
+| 键盘 | N/A | 
+
+## 滚动/平移
+应用场景<br>
+滚动列表或页面。
+
+![scroll](figures/scroll.jpg)
+
+| **输入设备/方式** | **交互行为**  |
+| -------- | -------- | 
+| 触屏 | 单指接触屏幕后滑动。 | 
+| 鼠标 | 上下滚动滚轮/shift+上下滚动滚轮可以实现上下/左右滚动，指针不动。<br>有上下滚动时，通过shift+滚轮左右滚动。无上下滚动时，滚轮可响应左右滚动。<br>自然滚动时，<br>滚轮向上滚动，页面向上滚动。<br>滚轮向下滚动，页面向下滚动。<br>滚轮每滚动1个刻痕，页面相应滚动一段距离，默认为64vp，应用也可自行设定。|
+| 触摸板 | 自然滚动时，触摸板上双指滑动行为与触屏上单指滑动行为一致。<br>双指向上滑动，页面向下滚动。<br>双指向下滑动，页面向上滚动。<br>双指滑动时，页面进行精细、连续的滚动；当双指离开触摸板时，页面根据离手速度继续进行减速滑动直到停止。<br>若列表是横向列表，则双指向左滑动，页面向右滚动；双指向右滑动，页面向左滚动。 | 
+| 键盘 | N/A | 
+
+在鼠标、触控板滚动过程中，仅页面元素发生变化，光标不发生移动。
+
+## 轻扫
+应用场景<br>
+将一个页面切换至下一个页面或快速滚动页面。
+
+![ fling ](figures/fling.png)
+
+| **输入设备/方式** | **交互行为**  |
+| -------- | -------- | 
+| 触屏 | 	单指快速滑动。 | 
+| 鼠标 | 滚动一格或快速滚动后停止。 |
+| 触摸板 | 双指快速移动。 | 
+| 键盘 | N/A| 
+
+在鼠标、触控板轻扫过程中，仅页面元素发生变化，光标不发生移动。
+
+## 缩放对象
+应用场景<br>
+查看图片或浏览页面时调整对象大小。
+
+![zoom](figures/zoom.png)
+
+| **输入设备/方式** | **交互行为**  |
+| -------- | -------- | 
+| 触屏   | 	双指张开为放大，双指捏合为缩小。 | 
+| 鼠标 | 按下 Ctrl 键同时滚动鼠标滚轮，可按照光标位置放大或缩小内容。<br> - 鼠标滚轮上滚，每滚动1个刻痕，以光标位置作为中心对象放大N%。<br> - 鼠标滚轮下滚，每滚动1个刻痕，对象缩小N%。 |
+| 触摸板 | 触摸板上双指捏合行为与触屏上双指捏合行为一致，当光标移动到对象上后：<br> - 触摸板双指向外扩展以放大内容。<br> - 触摸板双指向内收拢以缩小内容。<br> 优化显控比，以使用户能够轻松、快速、准确地调节到目标尺寸。 | 
+| 键盘 |Ctrl+加号键：以对象的中心点使对象放大N%。<br>Ctrl+减号键：以对象的中心点使对象缩N%。| 
+
+## 旋转对象
+应用场景<br>
+编辑图片时旋转图片。
+
+| **输入设备/方式** | **交互行为**  |
+| -------- | -------- | 
+| 触屏   | 	两个手指在屏幕旋转，对象跟随旋转。 | 
+| 鼠标 | N/A |
+| 触摸板 | 触摸板上双指旋转行为与触屏上双指旋转行为一致，当光标移动到对象上后：<br> - 触摸板双顺时针旋转，对象跟手顺时针旋转。<br> - 触摸板双逆时针旋转，对象跟手逆时针旋转。 | 
+| 键盘 |	N/A| 
+
+有些场景中触屏上双指可以同时进行缩放和旋转操作（如图片/地图浏览），触摸板应同步支持。
+
+## 交互事件归一接口
+为了保障用户在不同交互设备上的交互体验一致，同时又尽量减少不同输出设备适配工作，建议使用交互事件归一接口。该接口涵盖用户基础的交互任务，并遵循了用户在触控、鼠标、触控板等设备的交互习惯。详见[交互事件归一开发文档](../../application-dev/key-features/multi-device-app-dev/interaction-event-normalization.md)。
diff --git a/zh-cn/release-notes/changelogs/OpenHarmony_4.0.11.1/figures/fileAccessView.png b/zh-cn/release-notes/changelogs/OpenHarmony_4.0.11.1/figures/fileAccessView.png
index f624660c0c2c1484e9fac9c56a5e7e314400fcb9..e0b709837626a8321e2366e37ca7d162044af79e 100644
Binary files a/zh-cn/release-notes/changelogs/OpenHarmony_4.0.11.1/figures/fileAccessView.png and b/zh-cn/release-notes/changelogs/OpenHarmony_4.0.11.1/figures/fileAccessView.png differ
diff --git a/zh-cn/release-notes/changelogs/OpenHarmony_4.0.11.2/changelogs-filemanagement.md b/zh-cn/release-notes/changelogs/OpenHarmony_4.0.11.2/changelogs-filemanagement.md
index 128e6f06b0beaa6a3b2a2ba0a3d6581e98af0bf3..6779c013032a6de7860f04dfae06f4d9690e9bfe 100644
--- a/zh-cn/release-notes/changelogs/OpenHarmony_4.0.11.2/changelogs-filemanagement.md
+++ b/zh-cn/release-notes/changelogs/OpenHarmony_4.0.11.2/changelogs-filemanagement.md
@@ -20,7 +20,7 @@
 
 **关键的接口/组件变更**
 
-删除接口：
+删除接口如下
 
 | 类名           | 删除接口声明                                                 |
 | -------------- | ------------------------------------------------------------ |
diff --git a/zh-cn/release-notes/changelogs/OpenHarmony_4.0.11.3/changelogs-arkui.md b/zh-cn/release-notes/changelogs/OpenHarmony_4.0.11.3/changelogs-arkui.md
index f64fc71386fba12fdbcac7915291c7b93e66fb78..418236523089c299a9ec958da304d79033a04a5b 100644
--- a/zh-cn/release-notes/changelogs/OpenHarmony_4.0.11.3/changelogs-arkui.md
+++ b/zh-cn/release-notes/changelogs/OpenHarmony_4.0.11.3/changelogs-arkui.md
@@ -59,3 +59,17 @@ struct Index {
   }
 }
 ```
+
+## cl.arkui.4 springCurve速度方向规格变更
+
+**变更影响**
+
+在API version 9，[springCurve](../../../application-dev/reference/apis/js-apis-curve.md#curvesspringcurve9)的[interpolate](../../../application-dev/reference/apis/js-apis-curve.md#interpolate9)方法在计算时，springCurve的初速度>0为逆着终点方向，初速度<0为顺着终点方向。<br/>
+从API version 10起，springCurve的interpolate方法在计算时，springCurve的初速度>0为顺着终点方向，初速度<0为逆着终点方向。会导致初速度不为0时springCurve的interpolate方法和API version 10之前的计算结果不一致。
+
+## cl.arkui.5 springCurve实际曲线时间估算阈值规格变更
+
+**变更影响**
+
+在API version 9，[springCurve](../../../application-dev/reference/apis/js-apis-curve.md#curvesspringcurve9)的[interpolate](../../../application-dev/reference/apis/js-apis-curve.md#interpolate9)方法对springCurve实际曲线时长的最长估算时间为1秒，当物理曲线时长超过1秒时，按1秒估算，导致超过1秒的springCurve的动画时间归一化不正确，插值结果在t=1时会跳变。<br/>
+从API version 10起，springCurve的interpolate方法对springCurve的最长估算时间为1000秒，对于绝大多数正常springCurve曲线均能正确估算动画时长。会导致物理曲线本身时长超过1秒的springCurve的interpolate方法和API version 10之前的计算结果不一致。