diff --git a/zh-cn/application-dev/reference/apis/js-apis-fileio.md b/zh-cn/application-dev/reference/apis/js-apis-fileio.md
index 63b359debfcf06fe70a681d363487f5af6892d95..ebdc2315773a1166ee57e10a6750860225a89aa0 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-fileio.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-fileio.md
@@ -16,6 +16,7 @@ import fileio from '@ohos.fileio';
 ## 使用说明
 
 使用该功能模块对文件/目录进行操作前，需要先获取其应用沙箱路径，获取方式及其接口用法请参考：
+
  ```js
  import featureAbility from '@ohos.ability.featureAbility';
  let context = featureAbility.getContext();
@@ -353,58 +354,11 @@ closeSync(fd: number): void
 **示例：**
 
   ```js
+  let fd = fileio.openSync(path);
   fileio.closeSync(fd);
   ```
 
 
-## fileio.close<sup>7+</sup>
-
-close(): Promise&lt;void&gt;
-
-关闭文件流，使用Promise异步回调。
-
-**系统能力**：SystemCapability.FileManagement.File.FileIO
-
-**返回值：**
-
-  | 类型                  | 说明                           |
-  | ------------------- | ---------------------------- |
-  | Promise&lt;void&gt; | Promise对象。无返回值。 |
-
-**示例：**
-
-  ```js
-  fileio.close().then(function(){
-      console.info("close file stream succeed");
-  }).catch(function(err){
-      console.info("close file stream failed with error:"+ err);
-  });
-  ```
-
-
-## fileio.close<sup>7+</sup>
-
-close(callback: AsyncCallback&lt;void&gt;): void
-
-关闭文件流，使用callback异步回调。
-
-**系统能力**：SystemCapability.FileManagement.File.FileIO
-
-**参数：**
-
-  | 参数名      | 类型                        | 必填   | 说明            |
-  | -------- | ------------------------- | ---- | ------------- |
-  | callback | AsyncCallback&lt;void&gt; | 是    | 异步关闭文件流之后的回调。 |
-
-**示例：**
-
-  ```js
-  fileio.close(function(err){
-      // do something
-  });
-  ```
-
-
 ## fileio.copyFile
 
 copyFile(src:string | number, dest:string | number, mode?:number):Promise&lt;void&gt;
@@ -430,6 +384,8 @@ copyFile(src:string | number, dest:string | number, mode?:number):Promise&lt;voi
 **示例：**
 
   ```js
+  let src = path;
+  let dest = src + 'tgt';
   fileio.copyFile(src, dest).then(function(){
       console.info("copyFile succeed");
   }).catch(function(err){
@@ -458,6 +414,8 @@ copyFile(src: string | number, dest: string | number, mode: number, callback: As
 **示例：**
 
   ```js
+  let src = path;
+  let dest = src + 'tgt';
   fileio.copyFile(src, dest, function (err) {
       // do something
   });
@@ -483,6 +441,8 @@ copyFileSync(src: string | number, dest: string | number, mode?: number): void
 **示例：**
 
   ```js
+  let src = path;
+  let dest = src + 'tgt';
   fileio.copyFileSync(src, dest);
   ```
 
@@ -1059,7 +1019,7 @@ hash(path: string, algorithm: string): Promise&lt;string&gt;
   ```js
   fileio.hash(path, "sha256").then(function(str){
       console.info("calculate file hash succeed:"+ str);
-  }).catch(function(error){
+  }).catch(function(err){
       console.info("calculate file hash failed with error:"+ err);
   });
   ```
@@ -1116,7 +1076,7 @@ chmod(path: string, mode: number):Promise&lt;void&gt;
 **示例：**
 
   ```js
-  fileio.chmod(path, mode).then(function() {
+  fileio.chmod(path, 0o700).then(function() {
       console.info("chmod succeed");
   }).catch(function(err){
       console.info("chmod failed with error:"+ err);
@@ -1143,7 +1103,7 @@ chmod(path: string, mode: number, callback: AsyncCallback&lt;void&gt;): void
 **示例：**
 
   ```js
-  fileio.chmod(path, mode, function (err) {
+  fileio.chmod(path, 0o700, function (err) {
       // do something
   });
   ```
@@ -1167,7 +1127,7 @@ chmodSync(path: string, mode: number): void
 **示例：**
 
   ```js
-  fileio.chmodSync(path, mode);
+  fileio.chmodSync(path, 0o700);
   ```
 
 
@@ -1194,6 +1154,7 @@ fstat(fd: number): Promise&lt;Stat&gt;
 **示例：**
 
   ```js
+  let fd = fileio.openSync(path);
   fileio.fstat(fd).then(function(stat){
       console.info("fstat succeed:"+ JSON.stringify(stat));
   }).catch(function(err){
@@ -1307,7 +1268,9 @@ ftruncate(fd: number, len: number, callback:AsyncCallback&lt;void&gt;): void
 **示例：**
 
   ```js
-  fileio.ftruncate(fd, len, function(err){
+  let fd = fileio.openSync(path);
+  let len = 5;
+  fileio.ftruncate(fd, 5, function(err){
       // do something
   });
   ```
@@ -1331,6 +1294,8 @@ ftruncateSync(fd: number, len?: number): void
 **示例：**
 
   ```js
+  let fd = fileio.openSync(path);
+  let len = 5;
   fileio.ftruncateSync(fd, len);
   ```
 
@@ -1359,6 +1324,7 @@ truncate(path: string, len?: number): Promise&lt;void&gt;
 **示例：**
 
   ```js
+  let len = 5;
   fileio.truncate(path, len).then(function(){
       console.info("truncate file succeed");
   }).catch(function(err){
@@ -1386,6 +1352,7 @@ truncate(path: string, len: number, callback:AsyncCallback&lt;void&gt;): void
 **示例：**
 
   ```js
+  let len = 5;
   fileio.truncate(path, len, function(err){
       // do something
   });
@@ -1410,6 +1377,7 @@ truncateSync(path: string, len?: number): void
 **示例：**
 
   ```js
+  let len = 5;
   fileio.truncateSync(path, len);
   ```
 
@@ -1467,13 +1435,13 @@ readText(filePath: string, options: {
 | 参数名   | 类型                        | 必填 | 说明                                                         |
 | -------- | --------------------------- | ---- | ------------------------------------------------------------ |
 | filePath | string                      | 是   | 待读取文件的应用沙箱路径。                                   |
-| options  | Object                      | 否   | 支持如下选项：<br/>-&nbsp;position，number类型，表示期望读取文件的位置。可选，默认从当前位置开始读取。<br/>-&nbsp;length，number类型，表示期望读取数据的长度。可选，默认缓冲区长度减去偏移长度。<br/>-&nbsp;encoding，string类型，表示数据的编码方式，默认&nbsp;'utf-8'，仅支持&nbsp;'utf-8'。 |
+| options  | Object                      | 是   | 支持如下选项：<br/>-&nbsp;position，number类型，表示期望读取文件的位置。可选，默认从当前位置开始读取。<br/>-&nbsp;length，number类型，表示期望读取数据的长度。可选，默认缓冲区长度减去偏移长度。<br/>-&nbsp;encoding，string类型，表示数据的编码方式，默认&nbsp;'utf-8'，仅支持&nbsp;'utf-8'。 |
 | callback | AsyncCallback&lt;string&gt; | 是   | 回调函数，返回读取文件的内容。                         |
 
 **示例：**
 
   ```js
-  fileio.readText(path, function(err, str){
+  fileio.readText(path, { position: 1, encoding: 'UTF-8' }, function(err, str){
       // do something
   });
   ```
@@ -1593,76 +1561,6 @@ lstatSync(path:string): Stat
   ```
 
 
-## fileio.read<sup>7+</sup>
-
-read(buffer: ArrayBuffer, options?: {
-    position?: number;
-    offset?: number;
-    length?: number;
-}): Promise&lt;ReadOut&gt;
-
-从文件读取数据，使用Promise异步回调。
-
-**系统能力**：SystemCapability.FileManagement.File.FileIO
-
-**参数：**
-
-  | 参数名  | 类型        | 必填 | 说明                                                         |
-  | ------- | ----------- | ---- | ------------------------------------------------------------ |
-  | buffer  | ArrayBuffer | 是   | 用于保存读取到的文件数据的缓冲区。                           |
-  | options | Object      | 否   | 支持如下选项：<br/>-&nbsp;offset，number类型，表示将数据读取到缓冲区的位置，即相对于缓冲区首地址的偏移。可选，默认为0。<br/>-&nbsp;length，number类型，表示期望读取数据的长度。可选，默认缓冲区长度减去偏移长度。<br/>约束：offset+length<=buffer.size。 |
-
-**返回值：**
-
-  | 类型                                 | 说明     |
-  | ---------------------------------- | ------ |
-  | Promise&lt;[ReadOut](#readout)&gt; | Promise对象。返回读取的结果。 |
-
-**示例：**
-
-  ```js
-  fileio.read(new ArrayBuffer(4096)).then(function(readout){
-      console.info("read file data succeed");
-      console.log(String.fromCharCode.apply(null, new Uint8Array(readOut.buffer)));
-  }).catch(function(err){
-      console.info("read file data failed with error:"+ err);
-  });
-  ```
-
-
-## fileio.read<sup>7+</sup>
-
-read(buffer: ArrayBuffer, options: {
-    position?: number;
-    offset?: number;
-    length?: number;
-}, callback: AsyncCallback&lt;ReadOut&gt;): void
-
-从文件读取数据，使用callback异步回调。
-
-**系统能力**：SystemCapability.FileManagement.File.FileIO
-
-**参数：**
-
-  | 参数名      | 类型                                       | 必填   | 说明                                       |
-  | -------- | ---------------------------------------- | ---- | ---------------------------------------- |
-  | buffer   | ArrayBuffer                              | 是    | 用于保存读取到的文件数据的缓冲区。                        |
-  | options  | Object                                   | 否    | 支持如下选项：<br/>-&nbsp;offset，number类型，表示将数据读取到缓冲区的位置，即相对于缓冲区首地址的偏移。可选，默认为0。<br/>-&nbsp;length，number类型，表示期望读取数据的长度。可选，默认缓冲区长度减去偏移长度。<br/>约束：offset+length<=buffer.size。 |
-  | callback | AsyncCallback&lt;[ReadOut](#readout)&gt; | 是    | 异步从文件读取数据之后的回调。                          |
-
-**示例：**
-
-  ```js
-  let buf = new ArrayBuffer(4096);
-  fileio.read(buf, function (err, readOut) {
-      if (readOut) {
-          console.info("read file data succeed");
-          console.log(String.fromCharCode.apply(null, new Uint8Array(readOut.buffer)));
-      }
-  });
-  ```
-
-
 ## fileio.rename<sup>7+</sup>
 
 rename(oldPath: string, newPath: string): Promise&lt;void&gt;
@@ -1687,6 +1585,8 @@ rename(oldPath: string, newPath: string): Promise&lt;void&gt;
 **示例：**
 
   ```js
+  let oldPath = path;
+  let newPath = oldPath + '123';
   fileio.rename(oldPath, newPath).then(function() {
       console.info("rename succeed");
   }).catch(function(err){
@@ -1714,6 +1614,8 @@ rename(oldPath: string, newPath: string, callback: AsyncCallback&lt;void&gt;): v
 **示例：**
 
   ```js
+  let oldPath = path;
+  let newPath = oldPath + '123';
   fileio.rename(oldPath, newPath, function(err){
   });
   ```
@@ -1737,6 +1639,8 @@ renameSync(oldPath: string, newPath: string): void
 **示例：**
 
   ```js
+  let oldPath = path;
+  let newPath = oldPath + '123';
   fileio.renameSync(oldPath, newPath);
   ```
 
@@ -1764,6 +1668,7 @@ fsync(fd: number): Promise&lt;void&gt;
 **示例：**
 
   ```js
+  let fd = fileio.openSync(path);
   fileio.fsync(fd).then(function(){
       console.info("sync data succeed");
   }).catch(function(err){
@@ -1790,6 +1695,7 @@ fsync(fd: number, callback: AsyncCallback&lt;void&gt;): void
 **示例：**
 
   ```js
+  let fd = fileio.openSync(path);
   fileio.fsync(fd, function(err){
       // do something
   });
@@ -1813,6 +1719,7 @@ fsyncSync(fd: number): void
 **示例：**
 
   ```js
+  let fd = fileio.openSync(path);
   fileio.fsyncSync(fd);
   ```
 
@@ -1840,6 +1747,7 @@ fdatasync(fd: number): Promise&lt;void&gt;
 **示例：**
 
   ```js
+  let fd = fileio.openSync(path);
   fileio.fdatasync(fd).then(function(err) {
       console.info("sync data succeed");
   }).catch(function(err){
@@ -1866,6 +1774,7 @@ fdatasync(fd: number, callback:AsyncCallback&lt;void&gt;): void
 **示例：**
 
   ```js
+  let fd = fileio.openSync(path);
   fileio.fdatasync (fd, function (err) {
       // do something
   });
@@ -1889,6 +1798,7 @@ fdatasyncSync(fd: number): void
 **示例：**
 
   ```js
+  let fd = fileio.openSync(path);
   let stat = fileio.fdatasyncSync(fd);
   ```
 
@@ -1917,6 +1827,8 @@ symlink(target: string, srcPath: string): Promise&lt;void&gt;
 **示例：**
 
   ```js
+  let target = path;
+  let srcPath = target + 'aaa';
   fileio.symlink(target, srcPath).then(function() {
       console.info("symlink succeed");
   }).catch(function(err){
@@ -1944,6 +1856,8 @@ symlink(target: string, srcPath: string, callback: AsyncCallback&lt;void&gt;): v
 **示例：**
 
   ```js
+  let target = path;
+  let srcPath = target + 'aaa';
   fileio.symlink(target, srcPath, function (err) {
       // do something
   });
@@ -1968,6 +1882,8 @@ symlinkSync(target: string, srcPath: string): void
 **示例：**
 
   ```js
+  let target = path;
+  let srcPath = target + 'aaa';
   fileio.symlinkSync(target, srcPath);
   ```
 
@@ -2163,6 +2079,8 @@ fchmod(fd: number, mode: number): Promise&lt;void&gt;
 **示例：**
 
   ```js
+  let fd = fileio.openSync(path);
+  let mode = 0o700;
   fileio.fchmod(fd, mode).then(function() {
       console.info("chmod succeed");
   }).catch(function(err){
@@ -2190,6 +2108,8 @@ fchmod(fd: number, mode: number, callback: AsyncCallback&lt;void&gt;): void
 **示例：**
 
   ```js
+  let fd = fileio.openSync(path);
+  let mode = 0o700;
   fileio.fchmod(fd, mode, function (err) {
       // do something
   });
@@ -2214,6 +2134,8 @@ fchmodSync(fd: number, mode: number): void
 **示例：**
 
   ```js
+  let fd = fileio.openSync(path);
+  let mode = 0o700;
    fileio.fchmodSync(fd, mode);
   ```
 
@@ -2416,6 +2338,7 @@ fchown(fd: number, uid: number, gid: number): Promise&lt;void&gt;
 **示例：**
 
   ```js
+  let fd = fileio.openSync(path);
   let stat = fileio.statSync(path);
   fileio.fchown(fd, stat.uid, stat.gid).then(function() {
       console.info("chown succeed");
@@ -2445,6 +2368,7 @@ fchown(fd: number, uid: number, gid: number, callback: AsyncCallback&lt;void&gt;
 **示例：**
 
   ```js
+  let fd = fileio.openSync(path);
   let stat = fileio.statSync(path);
   fileio.fchown(fd, stat.uid, stat.gid, function (err){
       // do something
@@ -2471,6 +2395,7 @@ fchownSync(fd: number, uid: number, gid: number): void
 **示例：**
 
   ```js
+  let fd = fileio.openSync(path);
   let stat = fileio.statSync(path);
   fileio.fchownSync(fd, stat.uid, stat.gid);
   ```
@@ -3103,7 +3028,7 @@ read(buffer: ArrayBuffer, options?: {
 
   ```js
   let ss = fileio.createStreamSync(path, "r+");
-  ss.read(new ArrayBuffer(4096), {offset: 1, length: 5, position: 5}).then(function (readout){
+  ss.read(new ArrayBuffer(4096), {offset: 1, length: 5, position: 5}).then(function (readOut){
       console.info("read data succeed");
       console.log(String.fromCharCode.apply(null, new Uint8Array(readOut.buffer)));
   }).catch(function(err){
@@ -3180,7 +3105,7 @@ readSync(buffer: ArrayBuffer, options?: {
 
 ## Dir
 
-管理目录，在调用Dir的方法前，需要先通过[opendir()](#fileioopendir)方法（同步或异步）来构建一个Dir实例。
+管理目录，在调用Dir的方法前，需要先通过opendir方法（同步或异步）来构建一个Dir实例。
 
 
 ### read
@@ -3450,7 +3375,7 @@ isSocket(): boolean
 **示例：**
 
   ```js
-  let dir = fileio.opendirSync(dpath);
+  let dir = fileio.opendirSync(path);
   let isSocket = dir.readSync().isSocket(); 
   ```
 
diff --git a/zh-cn/application-dev/reference/apis/js-apis-securityLabel.md b/zh-cn/application-dev/reference/apis/js-apis-securityLabel.md
index 34a85c6f3ca0098102c08121a098058e1fb15010..5dedb55f06c6e564743cda51a39057625791a518 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-securityLabel.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-securityLabel.md
@@ -18,7 +18,10 @@ import securityLabel from '@ohos.securityLabel';
 ```js
 import featureAbility from '@ohos.ability.featureAbility';
 let context = featureAbility.getContext();
-let path = context.getFilesDir();
+let path = '';
+context.getFilesDir().then((data) => {
+    path = data;
+})
 ```
 
 ## securityLabel.setSecurityLabel
diff --git a/zh-cn/application-dev/reference/apis/js-apis-storage-statistics.md b/zh-cn/application-dev/reference/apis/js-apis-storage-statistics.md
index be091dacdebc8dd1b1d944c01af095c0b57f5625..d5d8993ad9b98294182b3abc3a547e1a9aee8a40 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-storage-statistics.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-storage-statistics.md
@@ -470,7 +470,7 @@ getUserStorageStats(userId? : number): Promise&lt;StorageStats&gt;
 
   | 参数名     | 类型   | 必填 | 说明 |
   | ---------- | ------ | ---- | ---- |
-  | userId | string | 否   | 用户id <br/>确认当前用户：<br/>-&nbsp;有值：表示指定用户。<br/>-&nbsp;无值：表示当前用户。|
+  | userId | number | 否   | 用户id <br/>确认当前用户：<br/>-&nbsp;有值：表示指定用户。<br/>-&nbsp;无值：表示当前用户。|
 
 **返回值：**
 
@@ -481,7 +481,7 @@ getUserStorageStats(userId? : number): Promise&lt;StorageStats&gt;
 **示例：**
 
   ```js
-  let userId = "";
+  let userId = 1;
   storageStatistics.getUserStorageStats(userId).then(function(StorageStats){
       console.info("getUserStorageStats successfully:"+ JSON.stringify(StorageStats));
   }).catch(function(err){
@@ -507,13 +507,13 @@ getUserStorageStats(userId: number, callback:AsyncCallback&lt;StorageStats&gt;):
 
   | 参数名     | 类型                                 | 必填 | 说明                       |
   | ---------- | ------------------------------------ | ---- | -------------------------- |
-  | userId | string                               | 否   | 用户id <br/>确认当前用户：<br/>-&nbsp;有值：表示指定用户。<br/>-&nbsp;无值：表示当前用户。                       |
+  | userId | number                               | 否   | 用户id <br/>确认当前用户：<br/>-&nbsp;有值：表示指定用户。<br/>-&nbsp;无值：表示当前用户。                       |
   | callback   | callback:AsyncCallback&lt;[StorageStats](#StorageStats)&gt; | 是   | 返回各类别数据大小之后的回调 |
 
 **示例：**
 
   ```js
-  let userId = "";
+  let userId = 1;
   storageStatistics.getUserStorageStats(userId, function(error, StorageStats){
       // do something
       console.info("getUserStorageStats successfully:"+ JSON.stringify(StorageStats));
diff --git a/zh-cn/application-dev/reference/apis/js-apis-volumemanager.md b/zh-cn/application-dev/reference/apis/js-apis-volumemanager.md
index 7cc98e4b15693698873fed6ca834c4eb9248f51c..535c50272bda24adad3d53bf78f20179de52cb0e 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-volumemanager.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-volumemanager.md
@@ -204,7 +204,11 @@ getVolumeByUuid(uuid: string): Promise&lt;Volume&gt;
 
   ```js
   let uuid = "";
-  let volume = await volumemanager.getVolumeByUuid(uuid);
+  volumemanager.getVolumeByUuid(uuid).then(function(volume) {
+      console.info("getVolumeByUuid successfully:" + JSON.stringify(volume));
+  }).catch(function(error){
+      console.info("getVolumeByUuid failed with error:"+ error);
+  });
   ```
 
 ## volumemanager.getVolumeByUuid
@@ -259,7 +263,11 @@ getVolumeById(id: string): Promise&lt;Volume&gt;
 
   ```js
   let id = "";
-  let volume = await volumemanager.getVolumeById(id);
+  volumemanager.getVolumeById(id).then(function(volume) {
+      console.info("getVolumeById successfully:" + JSON.stringify(volume));
+  }).catch(function(error){
+      console.info("getVolumeById failed with error:"+ error);
+  });
   ```
 
 ## volumemanager.getVolumeById
@@ -316,7 +324,11 @@ setVolumeDescription(uuid: string, description: string): Promise&lt;void&gt;
   ```js
   let uuid = "";
   let description = "";
-  let bool = await volumemanager.setVolumeDescription(uuid, description);
+  volumemanager.setVolumeDescription(uuid, description).then(function() {
+      console.info("setVolumeDescription successfully");
+  }).catch(function(error){
+      console.info("setVolumeDescription failed with error:"+ error);
+  });
   ```
 
 ## volumemanager.setVolumeDescription
@@ -373,7 +385,11 @@ format(volId: string): Promise&lt;void&gt;
 
   ```js
   let volId = "";
-  let bool = await volumemanager.format(volId);
+  volumemanager.format(volId).then(function() {
+      console.info("format successfully");
+  }).catch(function(error){
+      console.info("format failed with error:"+ error);
+  });
   ```
 
 ## volumemanager.format
@@ -430,7 +446,11 @@ partition(volId: string, fstype: string): Promise&lt;void&gt;
   ```js
   let volId = "";
   let fstype = "";
-  let bool = await volumemanager.partition(volId, fstype);
+  volumemanager.partition(volId, fstype).then(function() {
+      console.info("partition successfully");
+  }).catch(function(error){
+      console.info("partition failed with error:"+ error);
+  });
   ```
 
 ## volumemanager.partition
@@ -456,7 +476,7 @@ partition(volId: string, fstype : string, callback: AsyncCallback&lt;void&gt;):
   ```js
   let volId = "";
   let fstype = "";
-  volumemanager.format(volId, fstype, (error, bool) => {
+  volumemanager.partition(volId, fstype, (error, bool) => {
       // do something    
   });
   ```