diff --git a/services/file_extension_hap/entry/src/main/ets/FileExtensionAbility/FileExtensionAbility.ts b/services/file_extension_hap/entry/src/main/ets/FileExtensionAbility/FileExtensionAbility.ts
index 79678aff84835dcc441d26776d4b7a6c58f1f60d..f5840a716a0e79e5d751c45ba1d9a508ac946f98 100644
--- a/services/file_extension_hap/entry/src/main/ets/FileExtensionAbility/FileExtensionAbility.ts
+++ b/services/file_extension_hap/entry/src/main/ets/FileExtensionAbility/FileExtensionAbility.ts
@@ -15,33 +15,22 @@
 import Extension from '@ohos.application.FileExtensionAbility'
 import fileio from '@ohos.fileio'
 import hilog from '@ohos.hilog'
-import { init, addVolumeInfo, delVolumeInfo, path2uri, getVolumeInfoList } from './VolumeManager'
+import { init, delVolumeInfo, getVolumeInfoList } from './VolumeManager'
 import { onReceiveEvent } from './Subcriber'
 import fileExtensionInfo from "@ohos.fileExtensionInfo"
+import appManager from '@ohos.application.appManager';
 
 const FLAG = fileExtensionInfo.FLAG;
+const BUNDLE_NAME = 'com.ohos.UserFile.ExternalFileManager';
 
 export default class FileExtAbility extends Extension {
     onCreate(want) {
         init();
         onReceiveEvent(function (data) {
-            let parameters = data.parameters;
-            let flag = FLAG.SUPPORTS_WRITE | FLAG.SUPPORTS_DELETE | FLAG.SUPPORTS_RENAME | FLAG.SUPPORTS_COPY
-                | FLAG.SUPPORTS_MOVE | FLAG.SUPPORTS_REMOVE | FLAG.DIR_SUPPORTS_CREATE | FLAG.DIR_PREFERS_LAST_MODIFIED;
             if (data.event == 'usual.event.data.VOLUME_MOUNTED') {
-                let volumeInfo = {
-                    'volumeId': parameters.id,
-                    'fsUuid': parameters.fsUuid,
-                    'path': parameters.path,
-                    'uri': path2uri(parameters.id, parameters.path),
-                    'flags': flag,
-                    'deviceId': '',
-                    'displayName': parameters.id,
-                    'type': 'SD'
-                }
-                addVolumeInfo(volumeInfo);
+                appManager.killProcessesByBundleName(BUNDLE_NAME);
             } else {
-                delVolumeInfo(parameters.id);
+                delVolumeInfo(data.parameters.id);
             }
         });
     }
@@ -226,10 +215,10 @@ export default class FileExtAbility extends Extension {
             return {
                 uri: sourceFileUri,
                 fileName: this.getFileName(sourceFileUri),
-                mode: stat.mode,
+                mode: '' + stat.mode,
                 size: stat.size,
                 mtime: stat.mtime,
-                mimiType: '',
+                mimeType: '',
             };
         } catch (e) {
             hilog.debug(0x0001, 'jsserver', 'query catch' + e);
@@ -238,7 +227,6 @@ export default class FileExtAbility extends Extension {
     }
 
     listFile(sourceFileUri) {
-
         let infos = [];
         try {
             let path = this.getPath(sourceFileUri);
@@ -251,10 +239,10 @@ export default class FileExtAbility extends Extension {
                     infos.push({
                         uri: this.genNewFileUri(sourceFileUri, dirent.name),
                         fileName: dirent.name,
-                        mode: stat.mode,
+                        mode: '' + stat.mode,
                         size: stat.size,
                         mtime: stat.mtime,
-                        mimiType: '',
+                        mimeType: '',
                     });
                 } catch (e) {
                     hilog.debug(0x0001, 'jsserver', 'dir.readSync catch' + e);
diff --git a/services/file_extension_hap/entry/src/main/ets/FileExtensionAbility/VolumeManager.ts b/services/file_extension_hap/entry/src/main/ets/FileExtensionAbility/VolumeManager.ts
index 10100910d3d3dd18de8ea0860c04ad81a8ef0363..b127b2f5c69e75de95fae72c916f4e0fcbfadfdc 100644
--- a/services/file_extension_hap/entry/src/main/ets/FileExtensionAbility/VolumeManager.ts
+++ b/services/file_extension_hap/entry/src/main/ets/FileExtensionAbility/VolumeManager.ts
@@ -24,7 +24,7 @@ const FLAG = fileExtensionInfo.FLAG;
 function init() {
     try {
         volumeManager.getAllVolumes().then((volumes) => {
-            let flag = FLAG.SUPPORTS_WRITE | FLAG.SUPPORTS_DELETE | FLAG.SUPPORTS_RENAME | FLAG.SUPPORTS_COPY
+            let flags = FLAG.SUPPORTS_WRITE | FLAG.SUPPORTS_DELETE | FLAG.SUPPORTS_RENAME | FLAG.SUPPORTS_COPY
                 | FLAG.SUPPORTS_MOVE | FLAG.SUPPORTS_REMOVE | FLAG.DIR_SUPPORTS_CREATE | FLAG.DIR_PREFERS_LAST_MODIFIED;
             for (let i = 0; i < volumes.length; i++) {
                 let volume = volumes[i];
@@ -32,10 +32,10 @@ function init() {
                     'volumeId': volume.id,
                     'fsUuid': volume.uuid,
                     'path': volume.path,
-                    'uri': path2uri(volume.id, volume.path),
+                    'uri': path2uri('', volume.path),
                     'displayName': volume.id,
                     'deviceId': '',
-                    'flags': flag,
+                    'flags': flags,
                     'type': 'SD'
                 }
                 globalThis.volumeInfoList.push(volumeInfo);
@@ -52,23 +52,15 @@ function addVolumeInfo(volumeInfo) {
 }
 
 function path2uri(id, path) {
-    return `fileAccess://${id}/${path}`;
+    return `fileAccess://${id}${path}`;
 }
 
 function delVolumeInfo(volumeId) {
     globalThis.volumeInfoList = globalThis.volumeInfoList.filter((volume) => volume.volumeId !== volumeId);
 }
 
-function getVolumeInfo(volumeId) {
-    let volumeInfo = globalThis.volumeInfoList.filter((volume) => volume.volumeId === volumeId);
-    return volumeInfo;
-}
-
 function getVolumeInfoList() {
     return globalThis.volumeInfoList;
 }
 
-function notifyChange() {
-
-}
 export { init, addVolumeInfo, delVolumeInfo, getVolumeInfoList, path2uri }
\ No newline at end of file
diff --git a/services/file_extension_hap/entry/src/main/module.json b/services/file_extension_hap/entry/src/main/module.json
index 20916b6afa6dc19b9080114a6bceaf8c1be1d94e..3908c63b3421cbcc5c56f8a048201758823e3c5b 100644
--- a/services/file_extension_hap/entry/src/main/module.json
+++ b/services/file_extension_hap/entry/src/main/module.json
@@ -20,6 +20,14 @@
         "type": "fileAccess",
         "visible": true
       }
+    ],
+    "requestPermissions": [
+      {
+        "name": "ohos.permission.CLEAN_BACKGROUND_PROCESSES"
+      },
+      {
+        "name": "ohos.permission.STORAGE_MANAGER"
+      }
     ]
   }
 }
\ No newline at end of file
diff --git a/services/signature/fileextension.p7b b/services/signature/fileextension.p7b
index ddb74239918c96a341ee6dc7d118aba46355e5d0..66b4457a8a81fb8d3356cf46d67226c850944858 100644
Binary files a/services/signature/fileextension.p7b and b/services/signature/fileextension.p7b differ