diff --git a/app/src/leanback/java/com/fongmi/android/tv/ui/activity/HomeActivity.java b/app/src/leanback/java/com/fongmi/android/tv/ui/activity/HomeActivity.java
index a9f27ae58..4f654e1b7 100644
--- a/app/src/leanback/java/com/fongmi/android/tv/ui/activity/HomeActivity.java
+++ b/app/src/leanback/java/com/fongmi/android/tv/ui/activity/HomeActivity.java
@@ -176,7 +176,7 @@ public class HomeActivity extends BaseActivity implements CustomTitleView.Listen
 
             @Override
             public void error(String msg) {
-                if (TextUtils.isEmpty(msg) && AppDatabase.getBackupKey().exists()) onRestore();
+                if (TextUtils.isEmpty(msg) && AppDatabase.getBackup().exists()) onRestore();
                 else mBinding.progressLayout.showContent();
                 mResult = Result.empty();
                 Notify.show(msg);
diff --git a/app/src/main/java/com/fongmi/android/tv/db/AppDatabase.java b/app/src/main/java/com/fongmi/android/tv/db/AppDatabase.java
index 9c0b80927..034021c6a 100644
--- a/app/src/main/java/com/fongmi/android/tv/db/AppDatabase.java
+++ b/app/src/main/java/com/fongmi/android/tv/db/AppDatabase.java
@@ -49,13 +49,12 @@ public abstract class AppDatabase extends RoomDatabase {
         return instance;
     }
 
-    public static String getDate() {
-        File db = new File(Path.tv(), NAME);
-        return Setting.isBackupAuto() ? ResUtil.getString(R.string.setting_backup_auto) : getBackupKey().exists() && db.exists() ? Util.format(new SimpleDateFormat("MMddHHmmss", Locale.getDefault()), db.lastModified()) : "";
+    public static File getBackup() {
+        return new File(Path.tv(), NAME);
     }
 
-    public static File getBackupKey() {
-        return new File(Path.tv(), "." + Util.getDeviceId());
+    public static String getDate() {
+        return Setting.isBackupAuto() ? ResUtil.getString(R.string.setting_backup_auto) : getBackup().exists() ? Util.format(new SimpleDateFormat("MMddHHmmss", Locale.getDefault()), getBackup().lastModified()) : "";
     }
 
     public static void backup() {
@@ -71,7 +70,6 @@ public abstract class AppDatabase extends RoomDatabase {
             if (wal.exists()) Path.copy(wal, new File(Path.tv(), wal.getName()));
             if (shm.exists()) Path.copy(shm, new File(Path.tv(), shm.getName()));
             Prefers.backup(new File(Path.tv(), NAME + "-pref"));
-            Path.newFile(getBackupKey());
             App.post(callback::success);
         });
     }
@@ -87,7 +85,6 @@ public abstract class AppDatabase extends RoomDatabase {
             if (shm.exists()) Path.move(shm, App.get().getDatabasePath(shm.getName()).getAbsoluteFile());
             if (pref.exists()) Prefers.restore(pref);
             App.post(callback::success);
-            Path.clear(Path.tv());
         });
     }
 
diff --git a/app/src/mobile/java/com/fongmi/android/tv/ui/activity/MainActivity.java b/app/src/mobile/java/com/fongmi/android/tv/ui/activity/MainActivity.java
index 51ec88031..0d0a5d88f 100644
--- a/app/src/mobile/java/com/fongmi/android/tv/ui/activity/MainActivity.java
+++ b/app/src/mobile/java/com/fongmi/android/tv/ui/activity/MainActivity.java
@@ -118,7 +118,7 @@ public class MainActivity extends BaseActivity implements NavigationBarView.OnIt
 
             @Override
             public void error(String msg) {
-                if (TextUtils.isEmpty(msg) && AppDatabase.getBackupKey().exists()) onRestore();
+                if (TextUtils.isEmpty(msg) && AppDatabase.getBackup().exists()) onRestore();
                 else RefreshEvent.empty();
                 RefreshEvent.config();
                 Notify.show(msg);