diff --git a/entry/src/main/ets/backupExtension/BackupExtension.ets b/entry/src/main/ets/backupExtension/BackupExtension.ets
index ded7179..5bae952 100644
--- a/entry/src/main/ets/backupExtension/BackupExtension.ets
+++ b/entry/src/main/ets/backupExtension/BackupExtension.ets
@@ -1,9 +1,9 @@
 import { BackupExtensionAbility, BundleVersion, fileUri } from '@kit.CoreFileKit';
 import { bundleManager } from '@kit.AbilityKit';
-import { UserDataTransfer } from './transfers/UserDataTransfer';
-import { SettingDataTransfer } from './transfers/SettingDataTransfer';
-import { SpTransferManager } from './SpTransferManager';
-import { MmkvTransferManager } from './MmkvTransferManager';
+import { UserDataTransfer } from './backupTransfers/UserDataTransfer';
+import { SettingDataTransfer } from './backupTransfers/SettingDataTransfer';
+import { MmkvTransferManager } from './backupTransferManagers/MmkvTransferManager';
+import { SpTransferManager } from './backupTransferManagers/SpTransferManager';
 
 const TAG = `BackupExtensionAbility1`
 const BundleName = bundleManager.getBundleInfoForSelfSync(bundleManager.BundleFlag.GET_BUNDLE_INFO_DEFAULT).name
diff --git a/entry/src/main/ets/backupExtension/BaseTransferManager.ets b/entry/src/main/ets/backupExtension/backupTransferManagers/BaseTransferManager.ets
similarity index 100%
rename from entry/src/main/ets/backupExtension/BaseTransferManager.ets
rename to entry/src/main/ets/backupExtension/backupTransferManagers/BaseTransferManager.ets
diff --git a/entry/src/main/ets/backupExtension/DbTransferManager.ets b/entry/src/main/ets/backupExtension/backupTransferManagers/DbTransferManager.ets
similarity index 100%
rename from entry/src/main/ets/backupExtension/DbTransferManager.ets
rename to entry/src/main/ets/backupExtension/backupTransferManagers/DbTransferManager.ets
diff --git a/entry/src/main/ets/backupExtension/FileTransferManager.ets b/entry/src/main/ets/backupExtension/backupTransferManagers/FileTransferManager.ets
similarity index 100%
rename from entry/src/main/ets/backupExtension/FileTransferManager.ets
rename to entry/src/main/ets/backupExtension/backupTransferManagers/FileTransferManager.ets
diff --git a/entry/src/main/ets/backupExtension/MmkvTransferManager.ets b/entry/src/main/ets/backupExtension/backupTransferManagers/MmkvTransferManager.ets
similarity index 100%
rename from entry/src/main/ets/backupExtension/MmkvTransferManager.ets
rename to entry/src/main/ets/backupExtension/backupTransferManagers/MmkvTransferManager.ets
diff --git a/entry/src/main/ets/backupExtension/SpTransferManager.ets b/entry/src/main/ets/backupExtension/backupTransferManagers/SpTransferManager.ets
similarity index 100%
rename from entry/src/main/ets/backupExtension/SpTransferManager.ets
rename to entry/src/main/ets/backupExtension/backupTransferManagers/SpTransferManager.ets
diff --git a/entry/src/main/ets/backupExtension/transfers/SettingDataTransfer.ets b/entry/src/main/ets/backupExtension/backupTransfers/SettingDataTransfer.ets
similarity index 89%
rename from entry/src/main/ets/backupExtension/transfers/SettingDataTransfer.ets
rename to entry/src/main/ets/backupExtension/backupTransfers/SettingDataTransfer.ets
index 7236826..8c34527 100644
--- a/entry/src/main/ets/backupExtension/transfers/SettingDataTransfer.ets
+++ b/entry/src/main/ets/backupExtension/backupTransfers/SettingDataTransfer.ets
@@ -1,6 +1,6 @@
-import { MmkvTransferManager } from '../MmkvTransferManager'
 import { common } from '@kit.AbilityKit'
-import { SpTransferManager } from '../SpTransferManager'
+import { MmkvTransferManager } from '../backupTransferManagers/MmkvTransferManager'
+import { SpTransferManager } from '../backupTransferManagers/SpTransferManager'
 
 export class SettingDataTransfer {
   private TAG = 'SettingDataTransfer'
diff --git a/entry/src/main/ets/backupExtension/transfers/UserDataTransfer.ets b/entry/src/main/ets/backupExtension/backupTransfers/UserDataTransfer.ets
similarity index 96%
rename from entry/src/main/ets/backupExtension/transfers/UserDataTransfer.ets
rename to entry/src/main/ets/backupExtension/backupTransfers/UserDataTransfer.ets
index fbcb1f5..5903f1b 100644
--- a/entry/src/main/ets/backupExtension/transfers/UserDataTransfer.ets
+++ b/entry/src/main/ets/backupExtension/backupTransfers/UserDataTransfer.ets
@@ -1,8 +1,8 @@
 import { common } from '@kit.AbilityKit'
-import { MmkvTransferManager } from '../MmkvTransferManager'
-import { SpTransferManager } from '../SpTransferManager'
 import { preferences } from '@kit.ArkData'
 import { buffer } from '@kit.ArkTS'
+import { MmkvTransferManager } from '../backupTransferManagers/MmkvTransferManager'
+import { SpTransferManager } from '../backupTransferManagers/SpTransferManager'
 
 export class UserDataTransfer {
   private TAG = 'UserDataTransfer'