From 3fea5e52804a2f5bb8dd58cd62191c22d716b51e Mon Sep 17 00:00:00 2001
From: huaqingsimeng <1004904143@qq.com>
Date: Fri, 19 May 2023 11:05:47 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A4=87=E4=BB=BD=E6=81=A2=E5=A4=8D=E6=8E=A5?=
 =?UTF-8?q?=E5=8F=A3=E8=AF=B4=E6=98=8E=E6=96=87=E6=A1=A3=E8=AF=B4=E6=98=8E?=
 =?UTF-8?q?=E8=B0=83=E6=95=B4?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: huaqingsimeng <qiukaiqing@huawei.com>
---
 .../reference/apis/js-apis-file-backup.md     | 589 +++++++++++++-----
 1 file changed, 426 insertions(+), 163 deletions(-)

diff --git a/zh-cn/application-dev/reference/apis/js-apis-file-backup.md b/zh-cn/application-dev/reference/apis/js-apis-file-backup.md
index 90e9dc3a84..3dffdc6fea 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-file-backup.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-file-backup.md
@@ -19,9 +19,9 @@ import backup from '@ohos.file.backup';
 
 **系统能力**：SystemCapability.FileManagement.StorageService.Backup
 
-| 名称       | 类型   | 必填 | 说明    |
-| ---------- | ------ | ---- | ------------------------- |
-| bundleName | string | 是   | 应用名称，可通过[bundle.BundleInfo](js-apis-bundle-BundleInfo.md)提供的获取方式获取。                  |
+| 名称       | 类型   | 必填 | 说明                                                                                           |
+| ---------- | ------ | ---- | ---------------------------------------------------------------------------------------------- |
+| bundleName | string | 是   | 应用名称，可通过[bundle.BundleInfo](js-apis-bundle-BundleInfo.md)提供的获取方式获取。          |
 | uri        | string | 是   | 应用沙箱内待传输文件的名称，当前uri尚未升级为标准格式，仅接受0-9a-zA-Z下划线(_)点(.)组成的名称 |
 
 ## FileData
@@ -70,14 +70,15 @@ onFileReady : AsyncCallback&lt;File&gt;
 **错误码：**
 
 以下错误码的详细介绍请参见[文件管理子系统错误码](../errorcodes/errorcode-filemanagement.md)。
-| 错误码ID                     | 错误信息        |
-| ---------------------------- | ---------- |
-| 13600001 | IPC error |
-| 13900005 | I/O error |
-| 13900011 | Out of memory |
-| 13900020 | Invalid argument |
+
+| 错误码ID | 错误信息                |
+| -------- | ----------------------- |
+| 13600001 | IPC error               |
+| 13900005 | I/O error               |
+| 13900011 | Out of memory           |
+| 13900020 | Invalid argument        |
 | 13900025 | No space left on device |
-| 13900042 | Unknown error |
+| 13900042 | Unknown error           |
 
 **示例：**
 
@@ -103,14 +104,15 @@ onBundleBegin : AsyncCallback&lt;string&gt;
 **错误码：**
 
 以下错误码的详细介绍请参见[文件管理子系统错误码](../errorcodes/errorcode-filemanagement.md)。
-| 错误码ID                     | 错误信息        |
-| ---------------------------- | ---------- |
-| 13600001 | IPC error |
-| 13900005 | I/O error |
-| 13900011 | Out of memory |
-| 13900020 | Invalid argument |
+
+| 错误码ID | 错误信息                |
+| -------- | ----------------------- |
+| 13600001 | IPC error               |
+| 13900005 | I/O error               |
+| 13900011 | Out of memory           |
+| 13900020 | Invalid argument        |
 | 13900025 | No space left on device |
-| 13900042 | Unknown error |
+| 13900042 | Unknown error           |
 
 **示例：**
 
@@ -134,14 +136,15 @@ onBundleEnd : AsyncCallback&lt;string&gt;
 **错误码：**
 
 以下错误码的详细介绍请参见[文件管理子系统错误码](../errorcodes/errorcode-filemanagement.md)。
-| 错误码ID                     | 错误信息        |
-| ---------------------------- | ---------- |
-| 13600001 | IPC error |
-| 13900005 | I/O error |
-| 13900011 | Out of memory |
-| 13900020 | Invalid argument |
+
+| 错误码ID | 错误信息                |
+| -------- | ----------------------- |
+| 13600001 | IPC error               |
+| 13900005 | I/O error               |
+| 13900011 | Out of memory           |
+| 13900020 | Invalid argument        |
 | 13900025 | No space left on device |
-| 13900042 | Unknown error |
+| 13900042 | Unknown error           |
 
 **示例：**
 
@@ -165,14 +168,15 @@ onAllBundlesEnd : AsyncCallback&lt;undefined&gt;
 **错误码：**
 
 以下错误码的详细介绍请参见[文件管理子系统错误码](../errorcodes/errorcode-filemanagement.md)。
-| 错误码ID                     | 错误信息        |
-| ---------------------------- | ---------- |
-| 13600001 | IPC error |
-| 13900005 | I/O error |
-| 13900011 | Out of memory |
-| 13900020 | Invalid argument |
+
+| 错误码ID | 错误信息                |
+| -------- | ----------------------- |
+| 13600001 | IPC error               |
+| 13900005 | I/O error               |
+| 13900011 | Out of memory           |
+| 13900020 | Invalid argument        |
 | 13900025 | No space left on device |
-| 13900042 | Unknown error |
+| 13900042 | Unknown error           |
 
 **示例：**
 
@@ -213,20 +217,21 @@ getLocalCapabilities(callback: AsyncCallback&lt;FileData&gt;): void
 
 **参数：**
 
-| 参数名   | 类型                   | 必填 | 说明                  |
-| -------- | ------------------------- | ---- | --------------------- |
+| 参数名   | 类型                                       | 必填 | 说明                                                   |
+| -------- | ------------------------------------------ | ---- | ------------------------------------------------------ |
 | callback | AsyncCallback&lt;[FileData](#filedata)&gt; | 是   | 回调函数。当获取成功，err为undefined，否则为错误对象。 |
 
 **错误码：**
 
 以下错误码的详细介绍请参见[文件管理子系统错误码](../errorcodes/errorcode-filemanagement.md)。
-| 错误码ID                     | 错误信息        |
-| ---------------------------- | ---------- |
-| 13600001 | IPC error |
-| 13900005 | I/O error |
-| 13900011 | Out of memory |
+
+| 错误码ID | 错误信息                |
+| -------- | ----------------------- |
+| 13600001 | IPC error               |
+| 13900005 | I/O error               |
+| 13900011 | Out of memory           |
 | 13900025 | No space left on device |
-| 13900042 | Unknown error |
+| 13900042 | Unknown error           |
 
 **示例：**
 
@@ -275,31 +280,34 @@ getLocalCapabilities(): Promise&lt;FileData&gt;
 
 **返回值：**
 
-| 类型             | 说明                     |
-| -------------------- | ------------------ |
+| 类型                                 | 说明                                                |
+| ------------------------------------ | --------------------------------------------------- |
 | Promise&lt;[FileData](#filedata)&gt; | Promise对象，返回描述本地能力的Json文件的FileData。 |
 
 **错误码：**
 
 以下错误码的详细介绍请参见[文件管理子系统错误码](../errorcodes/errorcode-filemanagement.md)。
-| 错误码ID                     | 错误信息        |
-| ---------------------------- | ---------- |
-| 13600001 | IPC error |
-| 13900005 | I/O error |
-| 13900011 | Out of memory |
+
+| 错误码ID | 错误信息                |
+| -------- | ----------------------- |
+| 13600001 | IPC error               |
+| 13900005 | I/O error               |
+| 13900011 | Out of memory           |
 | 13900025 | No space left on device |
-| 13900042 | Unknown error |
+| 13900042 | Unknown error           |
 
 **示例：**
 
   ```js
   import fs from '@ohos.file.fs';
-  try {
-    let fileData = await backup.getLocalCapabilities();
-    console.info('getLocalCapabilities success');
-    fs.closeSync(fileData.fd);
-  } catch (err) {
-    console.error('getLocalCapabilities failed with err: ' + err);
+  async function getLocalCapabilities() {
+    try {
+      let fileData = await backup.getLocalCapabilities();
+      console.info('getLocalCapabilities success');
+      fs.closeSync(fileData.fd);
+    } catch (err) {
+      console.error('getLocalCapabilities failed with err: ' + err);
+    }
   }
   ```
 
@@ -345,7 +353,7 @@ constructor(callbacks: GeneralCallbacks);
 
   ```js
   import fs from '@ohos.file.fs';
-  let sessionBackup = new backup.SessionBackup({
+  let generalCallbacks = backup.GeneralCallbacks({
     onFileReady: (err, file) => {
       if (err) {
         console.error('onFileReady failed with err: ' + err);
@@ -375,6 +383,7 @@ constructor(callbacks: GeneralCallbacks);
       console.info('service died');
     }
   });
+  let sessionBackup = new backup.SessionBackup(generalCallbacks);
   ```
 
 ### appendBundles
@@ -397,19 +406,52 @@ appendBundles(bundlesToBackup: string[], callback: AsyncCallback&lt;void&gt;): v
 **错误码：**
 
 以下错误码的详细介绍请参见[文件管理子系统错误码](../errorcodes/errorcode-filemanagement.md)。
-| 错误码ID                     | 错误信息        |
-| ---------------------------- | ---------- |
-| 13600001 | IPC error |
+
+| 错误码ID | 错误信息                |
+| -------- | ----------------------- |
+| 13600001 | IPC error               |
 | 13900001 | Operation not permitted |
-| 13900005 | I/O error |
-| 13900011 | Out of memory |
-| 13900020 | Invalid argument |
+| 13900005 | I/O error               |
+| 13900011 | Out of memory           |
+| 13900020 | Invalid argument        |
 | 13900025 | No space left on device |
-| 13900042 | Unknown error |
+| 13900042 | Unknown error           |
 
 **示例：**
 
+
   ```js
+  import fs from '@ohos.file.fs';
+  let sessionBackup = new backup.SessionBackup({
+    onFileReady: (err, file) => {
+      if (err) {
+        console.error('onFileReady failed with err: ' + err);
+      }
+      console.info('onFileReady success');
+      fs.closeSync(file.fd);
+    },
+    onBundleBegin: (err, bundleName) => {
+      if (err) {
+        console.error('onBundleBegin failed with err: ' + err);
+      }
+      console.info('onBundleBegin success');
+    },
+    onBundleEnd: (err, bundleName) => {
+      if (err) {
+        console.error('onBundleEnd failed with err: ' + err);
+      }
+      console.info('onBundleEnd success');
+    },
+    onAllBundlesEnd: (err) => {
+      if (err) {
+        console.error('onAllBundlesEnd failed with err: ' + err);
+      }
+      console.info('onAllBundlesEnd success');
+    },
+    onBackupServiceDied: () => {
+      console.info('service died');
+    }
+  });
   try {
     sessionBackup.appendBundles(['com.example.hiworld'], (err) => {
       if (err) {
@@ -447,24 +489,58 @@ appendBundles(bundlesToBackup: string[]): Promise&lt;void&gt;
 **错误码：**
 
 以下错误码的详细介绍请参见[文件管理子系统错误码](../errorcodes/errorcode-filemanagement.md)。
-| 错误码ID                     | 错误信息        |
-| ---------------------------- | ---------- |
-| 13600001 | IPC error |
+
+| 错误码ID | 错误信息                |
+| -------- | ----------------------- |
+| 13600001 | IPC error               |
 | 13900001 | Operation not permitted |
-| 13900005 | I/O error |
-| 13900011 | Out of memory |
-| 13900020 | Invalid argument |
+| 13900005 | I/O error               |
+| 13900011 | Out of memory           |
+| 13900020 | Invalid argument        |
 | 13900025 | No space left on device |
-| 13900042 | Unknown error |
+| 13900042 | Unknown error           |
 
 **示例：**
 
   ```js
-  try {
-    await sessionBackup.appendBundles(['com.example.hiworld']);
-    console.info('appendBundles success');
-  } catch (err) {
+  import fs from '@ohos.file.fs';
+  let sessionBackup = new backup.SessionBackup({
+    onFileReady: (err, file) => {
+      if (err) {
+        console.error('onFileReady failed with err: ' + err);
+      }
+      console.info('onFileReady success');
+      fs.closeSync(file.fd);
+    },
+    onBundleBegin: (err, bundleName) => {
+      if (err) {
+        console.error('onBundleBegin failed with err: ' + err);
+      }
+      console.info('onBundleBegin success');
+    },
+    onBundleEnd: (err, bundleName) => {
+      if (err) {
+        console.error('onBundleEnd failed with err: ' + err);
+      }
+      console.info('onBundleEnd success');
+    },
+    onAllBundlesEnd: (err) => {
+      if (err) {
+        console.error('onAllBundlesEnd failed with err: ' + err);
+      }
+      console.info('onAllBundlesEnd success');
+    },
+    onBackupServiceDied: () => {
+      console.info('service died');
+    }
+  });
+  async function appendBundles() {
+    try {
+      await sessionBackup.appendBundles(['com.example.hiworld']);
+      console.info('appendBundles success');
+    } catch (err) {
     console.error('appendBundles failed with err: ' + err);
+    }
   }
   ```
 
@@ -492,7 +568,7 @@ constructor(callbacks: GeneralCallbacks);
 
   ```js
   import fs from '@ohos.file.fs';
-  let sessionRestore = new backup.SessionRestore({
+  let generalCallbacks = backup.GeneralCallbacks({
     onFileReady: (err, file) => {
       if (err) {
         console.error('onFileReady failed with err: ' + err);
@@ -518,10 +594,11 @@ constructor(callbacks: GeneralCallbacks);
       }
       console.info('onAllBundlesEnd success');
     },
-    onRestoreServiceDied: () => {
+    onBackupServiceDied: () => {
       console.info('service died');
     }
   });
+  let sessionRestore = new backup.SessionRestore(generalCallbacks);
   ```
 
 ### appendBundles
@@ -550,30 +627,64 @@ appendBundles(remoteCapabilitiesFd: number, bundlesToBackup: string[], callback:
 **错误码：**
 
 以下错误码的详细介绍请参见[文件管理子系统错误码](../errorcodes/errorcode-filemanagement.md)。
-| 错误码ID                     | 错误信息        |
-| ---------------------------- | ---------- |
-| 13600001 | IPC error |
+
+| 错误码ID | 错误信息                |
+| -------- | ----------------------- |
+| 13600001 | IPC error               |
 | 13900001 | Operation not permitted |
-| 13900005 | I/O error |
-| 13900011 | Out of memory |
-| 13900020 | Invalid argument |
+| 13900005 | I/O error               |
+| 13900011 | Out of memory           |
+| 13900020 | Invalid argument        |
 | 13900025 | No space left on device |
-| 13900042 | Unknown error |
+| 13900042 | Unknown error           |
 
 **示例：**
 
   ```js
-  try {
-    let fileData = await backup.getLocalCapabilities();
-    console.info('getLocalCapabilities success');
-    sessionRestore.appendBundles(fileData.fd, ['com.example.hiworld'], (err) => {
+  import fs from '@ohos.file.fs';
+  let sessionRestore = new backup.SessionRestore({
+    onFileReady: (err, file) => {
+      if (err) {
+        console.error('onFileReady failed with err: ' + err);
+      }
+      console.info('onFileReady success');
+      fs.closeSync(file.fd);
+    },
+    onBundleBegin: (err, bundleName) => {
+      if (err) {
+        console.error('onBundleBegin failed with err: ' + err);
+      }
+      console.info('onBundleBegin success');
+    },
+    onBundleEnd: (err, bundleName) => {
+      if (err) {
+        console.error('onBundleEnd failed with err: ' + err);
+      }
+      console.info('onBundleEnd success');
+    },
+    onAllBundlesEnd: (err) => {
+      if (err) {
+        console.error('onAllBundlesEnd failed with err: ' + err);
+      }
+      console.info('onAllBundlesEnd success');
+    },
+    onBackupServiceDied: () => {
+      console.info('service died');
+    }
+  });
+  async function appendBundles() {
+    try {
+      let fileData = await backup.getLocalCapabilities();
+      console.info('getLocalCapabilities success');
+      sessionRestore.appendBundles(fileData.fd, ['com.example.hiworld'], (err) => {
       if (err) {
         console.error('appendBundles failed with err: ' + err);
       }
       console.info('appendBundles success');
     });
-  } catch (err) {
-    console.error('appendBundles failed with err: ' + err);
+    } catch (err) {
+      console.error('getLocalCapabilities failed with err: ' + err);
+    }
   }
   ```
 
@@ -608,26 +719,60 @@ appendBundles(remoteCapabilitiesFd: number, bundlesToBackup: string[]): Promise&
 **错误码：**
 
 以下错误码的详细介绍请参见[文件管理子系统错误码](../errorcodes/errorcode-filemanagement.md)。
-| 错误码ID                     | 错误信息        |
-| ---------------------------- | ---------- |
-| 13600001 | IPC error |
+
+| 错误码ID | 错误信息                |
+| -------- | ----------------------- |
+| 13600001 | IPC error               |
 | 13900001 | Operation not permitted |
-| 13900005 | I/O error |
-| 13900011 | Out of memory |
-| 13900020 | Invalid argument |
+| 13900005 | I/O error               |
+| 13900011 | Out of memory           |
+| 13900020 | Invalid argument        |
 | 13900025 | No space left on device |
-| 13900042 | Unknown error |
+| 13900042 | Unknown error           |
 
 **示例：**
 
   ```js
-  try {
-    let fileData = await backup.getLocalCapabilities();
-    console.info('getLocalCapabilities success');
-    await sessionRestore.appendBundles(fileData.fd, ['com.example.hiworld']);
-    console.info('appendBundles success');
-  } catch (err) {
-    console.error('appendBundles failed with err: ' + err);
+  import fs from '@ohos.file.fs';
+  let sessionRestore = new backup.SessionRestore({
+    onFileReady: (err, file) => {
+      if (err) {
+        console.error('onFileReady failed with err: ' + err);
+      }
+      console.info('onFileReady success');
+      fs.closeSync(file.fd);
+    },
+    onBundleBegin: (err, bundleName) => {
+      if (err) {
+        console.error('onBundleBegin failed with err: ' + err);
+      }
+      console.info('onBundleBegin success');
+    },
+    onBundleEnd: (err, bundleName) => {
+      if (err) {
+        console.error('onBundleEnd failed with err: ' + err);
+      }
+      console.info('onBundleEnd success');
+    },
+    onAllBundlesEnd: (err) => {
+      if (err) {
+        console.error('onAllBundlesEnd failed with err: ' + err);
+      }
+      console.info('onAllBundlesEnd success');
+    },
+    onBackupServiceDied: () => {
+      console.info('service died');
+    }
+  });
+  async function appendBundles() {
+    try {
+      let fileData = await backup.getLocalCapabilities();
+      console.info('getLocalCapabilities success');
+      await sessionRestore.appendBundles(fileData.fd, ['com.example.hiworld']);
+      console.info('appendBundles success');
+    } catch (err) {
+      console.error('getLocalCapabilities failed with err: ' + err);
+    }
   }
   ```
 
@@ -658,18 +803,49 @@ getFileHandle(fileMeta: FileMeta, callback: AsyncCallback&lt;void&gt;): void
 **错误码：**
 
 以下错误码的详细介绍请参见[文件管理子系统错误码](../errorcodes/errorcode-filemanagement.md)。
-| 错误码ID                     | 错误信息        |
-| ---------------------------- | ---------- |
-| 13600001 | IPC error |
+
+| 错误码ID | 错误信息                |
+| -------- | ----------------------- |
+| 13600001 | IPC error               |
 | 13900001 | Operation not permitted |
-| 13900020 | Invalid argument |
-| 13900042 | Unknown error |
+| 13900020 | Invalid argument        |
+| 13900042 | Unknown error           |
 
 **示例：**
 
   ```js
-  try {
-    sessionRestore.getFileHandle({
+  import fs from '@ohos.file.fs';
+  let sessionRestore = new backup.SessionRestore({
+    onFileReady: (err, file) => {
+      if (err) {
+        console.error('onFileReady failed with err: ' + err);
+      }
+      console.info('onFileReady success');
+      fs.closeSync(file.fd);
+    },
+    onBundleBegin: (err, bundleName) => {
+      if (err) {
+        console.error('onBundleBegin failed with err: ' + err);
+      }
+      console.info('onBundleBegin success');
+    },
+    onBundleEnd: (err, bundleName) => {
+      if (err) {
+        console.error('onBundleEnd failed with err: ' + err);
+      }
+      console.info('onBundleEnd success');
+    },
+    onAllBundlesEnd: (err) => {
+      if (err) {
+        console.error('onAllBundlesEnd failed with err: ' + err);
+      }
+      console.info('onAllBundlesEnd success');
+    },
+    onBackupServiceDied: () => {
+      console.info('service died');
+    }
+  });
+  sessionRestore.getFileHandle({
       bundleName: "com.example.hiworld",
       uri: "test.txt"
       }, (err, file) => {
@@ -678,9 +854,6 @@ getFileHandle(fileMeta: FileMeta, callback: AsyncCallback&lt;void&gt;): void
       }
       console.info('getFileHandle success');
     });
-  } catch (err) {
-    console.error('getFileHandle failed with err: ' + err);
-  }
   ```
 
 ### getFileHandle
@@ -715,24 +888,58 @@ getFileHandle(fileMeta: FileMeta): Promise&lt;void&gt;
 **错误码：**
 
 以下错误码的详细介绍请参见[文件管理子系统错误码](../errorcodes/errorcode-filemanagement.md)。
-| 错误码ID                     | 错误信息        |
-| ---------------------------- | ---------- |
-| 13600001 | IPC error |
+
+| 错误码ID | 错误信息                |
+| -------- | ----------------------- |
+| 13600001 | IPC error               |
 | 13900001 | Operation not permitted |
-| 13900020 | Invalid argument |
-| 13900042 | Unknown error |
+| 13900020 | Invalid argument        |
+| 13900042 | Unknown error           |
 
 **示例：**
 
   ```js
-  try {
-    await sessionRestore.getFileHandle({
-      bundleName: "com.example.hiworld",
-      uri: "test.txt"
+  import fs from '@ohos.file.fs';
+  let sessionRestore = new backup.SessionRestore({
+    onFileReady: (err, file) => {
+      if (err) {
+        console.error('onFileReady failed with err: ' + err);
+      }
+      console.info('onFileReady success');
+      fs.closeSync(file.fd);
+    },
+    onBundleBegin: (err, bundleName) => {
+      if (err) {
+        console.error('onBundleBegin failed with err: ' + err);
+      }
+      console.info('onBundleBegin success');
+    },
+    onBundleEnd: (err, bundleName) => {
+      if (err) {
+        console.error('onBundleEnd failed with err: ' + err);
+      }
+      console.info('onBundleEnd success');
+    },
+    onAllBundlesEnd: (err) => {
+      if (err) {
+        console.error('onAllBundlesEnd failed with err: ' + err);
+      }
+      console.info('onAllBundlesEnd success');
+    },
+    onBackupServiceDied: () => {
+      console.info('service died');
+    }
+  });
+  async function getFileHandle() {
+    try {
+      await sessionRestore.getFileHandle({
+        bundleName: "com.example.hiworld",
+        uri: "test.txt"
       });
-    console.info('getFileHandle success');
-  } catch (err) {
-    console.error('getFileHandle failed with err: ' + err);
+      console.info('getFileHandle success');
+    } catch (err) {
+      console.error('getFileHandle failed with err: ' + err);
+    }
   }
   ```
 
@@ -762,36 +969,62 @@ publishFile(fileMeta: FileMeta, callback: AsyncCallback&lt;void&gt;): void
 **错误码：**
 
 以下错误码的详细介绍请参见[文件管理子系统错误码](../errorcodes/errorcode-filemanagement.md)。
-| 错误码ID                     | 错误信息        |
-| ---------------------------- | ---------- |
-| 13600001 | IPC error |
+
+| 错误码ID | 错误信息                |
+| -------- | ----------------------- |
+| 13600001 | IPC error               |
 | 13900001 | Operation not permitted |
-| 13900020 | Invalid argument |
-| 13900042 | Unknown error |
+| 13900020 | Invalid argument        |
+| 13900042 | Unknown error           |
 
 **示例：**
 
   ```js
-  try {
-    onFileReady: (err, file) => {
-      if (err) {
-        console.error('onFileReady failed with err: ' + err);
-      }
-      console.info('onFileReady success');
-      fs.closeSync(file.fd);
-      sessionRestore.publishFile({
-      bundleName: file.bundleName,
-      uri: file.uri
-      }, (err) => {
+  import fs from '@ohos.file.fs';
+  let g_session;
+  function createSessionRestore() {
+    let sessionRestore = new backup.SessionRestore({
+      onFileReady: (err, file) => {
         if (err) {
-          console.error('publishFile failed with err: ' + err);
+          console.error('onFileReady failed with err: ' + err);
         }
-        console.info('publishFile success');
-      });
-    }
-  } catch (err) {
-    console.error('publishFile failed with err: ' + err);
+        console.info('onFileReady success');
+        fs.closeSync(file.fd);
+        g_session.publishFile({
+          bundleName: file.bundleName,
+          uri: file.uri
+        }, (err) => {
+          if (err) {
+            console.error('publishFile failed with err: ' + err);
+          }
+          console.info('publishFile success');
+        });
+      },
+      onBundleBegin: (err, bundleName) => {
+        if (err) {
+          console.error('onBundleBegin failed with err: ' + err);
+        }
+        console.info('onBundleBegin success');
+      },
+      onBundleEnd: (err, bundleName) => {
+        if (err) {
+          console.error('onBundleEnd failed with err: ' + err);
+        }
+        console.info('onBundleEnd success');
+      },
+      onAllBundlesEnd: (err) => {
+        if (err) {
+          console.error('onAllBundlesEnd failed with err: ' + err);
+        }
+        console.info('onAllBundlesEnd success');
+      },
+      onBackupServiceDied: () => {
+        console.info('service died');
+      }
+    });
+    return sessionRestore;
   }
+  g_session = createSessionRestore();
   ```
 
 ### publishFile
@@ -825,30 +1058,60 @@ publishFile(fileMeta: FileMeta): Promise&lt;void&gt;
 **错误码：**
 
 以下错误码的详细介绍请参见[文件管理子系统错误码](../errorcodes/errorcode-filemanagement.md)。
-| 错误码ID                     | 错误信息        |
-| ---------------------------- | ---------- |
-| 13600001 | IPC error |
+
+| 错误码ID | 错误信息                |
+| -------- | ----------------------- |
+| 13600001 | IPC error               |
 | 13900001 | Operation not permitted |
-| 13900020 | Invalid argument |
-| 13900042 | Unknown error |
+| 13900020 | Invalid argument        |
+| 13900042 | Unknown error           |
 
 **示例：**
 
   ```js
-  try {
-    onFileReady: (err, file) => {
-      if (err) {
-        console.error('onFileReady failed with err: ' + err);
-      }
-      console.info('onFileReady success');
-      fs.closeSync(file.fd);
-      await sessionRestore.publishFile({
+  import fs from '@ohos.file.fs';
+  let g_session;
+  async function publishFile(file)
+  {
+    await g_session.publishFile({
       bundleName: file.bundleName,
       uri: file.uri
-      });
-      console.info('publishFile success');
-    },
-  } catch (err) {
-    console.error('publishFile failed with err: ' + err);
+    });
+  }
+  function createSessionRestore() {
+    let sessionRestore = new backup.SessionRestore({
+      onFileReady: (err, file) => {
+        if (err) {
+          console.error('onFileReady failed with err: ' + err);
+        }
+        console.info('onFileReady success');
+        fs.closeSync(file.fd);
+        publishFile(file);
+        console.info('publishFile success');
+      },
+      onBundleBegin: (err, bundleName) => {
+        if (err) {
+          console.error('onBundleBegin failed with err: ' + err);
+        }
+        console.info('onBundleBegin success');
+      },
+      onBundleEnd: (err, bundleName) => {
+        if (err) {
+          console.error('onBundleEnd failed with err: ' + err);
+        }
+        console.info('onBundleEnd success');
+      },
+      onAllBundlesEnd: (err) => {
+        if (err) {
+          console.error('onAllBundlesEnd failed with err: ' + err);
+        }
+        console.info('onAllBundlesEnd success');
+      },
+      onBackupServiceDied: () => {
+        console.info('service died');
+      }
+    });
+    return sessionRestore;
   }
+  g_session = createSessionRestore();
   ```
-- 
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