diff --git a/frameworks/native/backup_ext/include/ext_backup.h b/frameworks/native/backup_ext/include/ext_backup.h
index f96fa6b92d6050ddd5353dbe8e26a828662284b9..2b2ce8740ed03775b35d6a1d2b4341b9fb2d9226 100644
--- a/frameworks/native/backup_ext/include/ext_backup.h
+++ b/frameworks/native/backup_ext/include/ext_backup.h
@@ -78,7 +78,6 @@ public:
      */
     sptr<IRemoteObject> OnConnect(const AAFwk::Want &want) override;
 
-
     /**
      * @brief Called when all abilities connected to this Wallpaper extension are disconnected.
      *
@@ -153,4 +152,4 @@ private:
 };
 } // namespace OHOS::FileManagement::Backup
 
-#endif // OHOS_FILEMGMT_BACKUP_EXT_BACKUP_H
\ No newline at end of file
+#endif // OHOS_FILEMGMT_BACKUP_EXT_BACKUP_H
diff --git a/frameworks/native/backup_ext/src/ext_backup.cpp b/frameworks/native/backup_ext/src/ext_backup.cpp
index 0bd7341a4c1d44875b8268cd999530e9618f7e74..30ca48335625c97ab119051d354101f6eb72e3a0 100644
--- a/frameworks/native/backup_ext/src/ext_backup.cpp
+++ b/frameworks/native/backup_ext/src/ext_backup.cpp
@@ -180,7 +180,6 @@ sptr<IRemoteObject> ExtBackup::OnConnect(const AAFwk::Want &want)
         }
 
         return remoteObject->AsObject();
-
     } catch (const BError &e) {
         return nullptr;
     } catch (const exception &e) {
diff --git a/frameworks/native/backup_ext/src/ext_backup_js.cpp b/frameworks/native/backup_ext/src/ext_backup_js.cpp
index c82e9d3112e548ffac99a723c23e6fc2e0710e7b..f2e602382e2631488946ed9e1adc5a0205b66716 100644
--- a/frameworks/native/backup_ext/src/ext_backup_js.cpp
+++ b/frameworks/native/backup_ext/src/ext_backup_js.cpp
@@ -237,23 +237,19 @@ int ExtBackupJs::CallJsMethod(const std::string &funcName,
                               const std::vector<NativeValue *> &argv,
                               ResultValueParser retParser)
 {
-
     uv_loop_s *loop = nullptr;
     napi_status status = napi_get_uv_event_loop(reinterpret_cast<napi_env>(&jsRuntime.GetNativeEngine()), &loop);
     if (status != napi_ok) {
-
         HILOGE("failed to get uv event loop.");
         return EINVAL;
     }
     auto param = std::make_shared<CallJsParam>(funcName, &jsRuntime, jsObj, argv, retParser);
     if (param == nullptr) {
-
         HILOGE("failed to new param.");
         return EINVAL;
     }
     auto work = std::make_shared<uv_work_t>();
     if (work == nullptr) {
-
         HILOGE("failed to new uv_work_t.");
         return EINVAL;
     }
@@ -276,7 +272,6 @@ int ExtBackupJs::CallJsMethod(const std::string &funcName,
             param->backupOperateCondition.notify_one();
         });
     if (ret != 0) {
-
         HILOGE("failed to exec uv_queue_work.");
         return EINVAL;
     }
@@ -285,4 +280,4 @@ int ExtBackupJs::CallJsMethod(const std::string &funcName,
 
     return ERR_OK;
 }
-} // namespace OHOS::FileManagement::Backup
\ No newline at end of file
+} // namespace OHOS::FileManagement::Backup
diff --git a/frameworks/native/backup_ext/src/ext_extension.cpp b/frameworks/native/backup_ext/src/ext_extension.cpp
index 4a3bcd1229b481a47bdce80d13ff26c5ae29b6d0..8f43e33839189f73bc6c5b7ea5f25df1ae4bd3ac 100644
--- a/frameworks/native/backup_ext/src/ext_extension.cpp
+++ b/frameworks/native/backup_ext/src/ext_extension.cpp
@@ -573,4 +573,4 @@ void BackupExtExtension::AsyncTaskRestoreForUpgrade()
         }
     });
 }
-} // namespace OHOS::FileManagement::Backup
\ No newline at end of file
+} // namespace OHOS::FileManagement::Backup