diff --git a/lib/core/sync.dart b/lib/core/sync.dart
index abda0c89..67aa26b0 100644
--- a/lib/core/sync.dart
+++ b/lib/core/sync.dart
@@ -4,16 +4,16 @@ import 'package:fl_lib/fl_lib.dart';
 import 'package:server_box/data/model/app/backup.dart';
 import 'package:server_box/data/store/no_backup.dart';
 
-const sync = Sync._();
+const bakSync = BakSyncer._();
 
-final class Sync extends SyncCfg {
-  const Sync._() : super();
+final class BakSyncer extends SyncIface<Backup> {
+  const BakSyncer._() : super();
 
   @override
   Future<void> saveToFile() => Backup.backup();
 
   @override
-  Future<Mergeable> fromFile(String path) async {
+  Future<Backup> fromFile(String path) async {
     final content = await File(path).readAsString();
     return Backup.fromJsonString(content);
   }
diff --git a/lib/data/provider/private_key.dart b/lib/data/provider/private_key.dart
index 3015c063..4a44ba87 100644
--- a/lib/data/provider/private_key.dart
+++ b/lib/data/provider/private_key.dart
@@ -1,4 +1,5 @@
 import 'package:fl_lib/fl_lib.dart';
+import 'package:server_box/core/sync.dart';
 import 'package:server_box/data/model/server/private_key_info.dart';
 import 'package:server_box/data/res/store.dart';
 
@@ -18,12 +19,14 @@ class PrivateKeyProvider extends Provider {
     pkis.value.add(info);
     pkis.notify();
     Stores.key.put(info);
+    bakSync.sync(milliDelay: 1000);
   }
 
   static void delete(PrivateKeyInfo info) {
     pkis.value.removeWhere((e) => e.id == info.id);
     pkis.notify();
     Stores.key.delete(info);
+    bakSync.sync(milliDelay: 1000);
   }
 
   static void update(PrivateKeyInfo old, PrivateKeyInfo newInfo) {
@@ -37,5 +40,6 @@ class PrivateKeyProvider extends Provider {
       Stores.key.put(newInfo);
     }
     pkis.notify();
+    bakSync.sync(milliDelay: 1000);
   }
 }
diff --git a/lib/data/provider/server.dart b/lib/data/provider/server.dart
index 9c4c2775..54e0e982 100644
--- a/lib/data/provider/server.dart
+++ b/lib/data/provider/server.dart
@@ -5,6 +5,7 @@ import 'package:computer/computer.dart';
 import 'package:dartssh2/dartssh2.dart';
 import 'package:fl_lib/fl_lib.dart';
 import 'package:server_box/core/extension/ssh_client.dart';
+import 'package:server_box/core/sync.dart';
 import 'package:server_box/core/utils/ssh_auth.dart';
 import 'package:server_box/data/model/app/error.dart';
 import 'package:server_box/data/model/app/shell_func.dart';
@@ -190,6 +191,7 @@ class ServerProvider extends Provider {
     Stores.setting.serverOrder.put(serverOrder.value);
     _updateTags();
     refresh(spi: spi);
+    bakSync.sync(milliDelay: 1000);
   }
 
   static void delServer(String id) {
@@ -199,6 +201,7 @@ class ServerProvider extends Provider {
     Stores.setting.serverOrder.put(serverOrder.value);
     Stores.server.delete(id);
     _updateTags();
+    bakSync.sync(milliDelay: 1000);
   }
 
   static void deleteAll() {
@@ -234,6 +237,7 @@ class ServerProvider extends Provider {
       }
     }
     _updateTags();
+    bakSync.sync();
   }
 
   static void _setServerState(VNode<Server> s, ServerConn ss) {
diff --git a/lib/data/provider/snippet.dart b/lib/data/provider/snippet.dart
index 373805c3..87e312f5 100644
--- a/lib/data/provider/snippet.dart
+++ b/lib/data/provider/snippet.dart
@@ -1,4 +1,5 @@
 import 'package:fl_lib/fl_lib.dart';
+import 'package:server_box/core/sync.dart';
 import 'package:server_box/data/model/server/snippet.dart';
 import 'package:server_box/data/res/store.dart';
 
@@ -44,6 +45,7 @@ class SnippetProvider extends Provider {
     snippets.notify();
     Stores.snippet.put(snippet);
     _updateTags();
+    bakSync.sync(milliDelay: 1000);
   }
 
   static void del(Snippet snippet) {
@@ -51,6 +53,7 @@ class SnippetProvider extends Provider {
     snippets.notify();
     Stores.snippet.delete(snippet);
     _updateTags();
+    bakSync.sync(milliDelay: 1000);
   }
 
   static void update(Snippet old, Snippet newOne) {
@@ -60,6 +63,7 @@ class SnippetProvider extends Provider {
     Stores.snippet.delete(old);
     Stores.snippet.put(newOne);
     _updateTags();
+    bakSync.sync(milliDelay: 1000);
   }
 
   static void renameTag(String old, String newOne) {
@@ -71,5 +75,6 @@ class SnippetProvider extends Provider {
       }
     }
     _updateTags();
+    bakSync.sync(milliDelay: 1000);
   }
 }
diff --git a/lib/data/res/store.dart b/lib/data/res/store.dart
index a9eb3209..af36fa4f 100644
--- a/lib/data/res/store.dart
+++ b/lib/data/res/store.dart
@@ -1,35 +1,38 @@
 import 'package:fl_lib/fl_lib.dart';
 import 'package:server_box/data/store/container.dart';
 import 'package:server_box/data/store/history.dart';
+import 'package:server_box/data/store/no_backup.dart';
 import 'package:server_box/data/store/private_key.dart';
 import 'package:server_box/data/store/server.dart';
 import 'package:server_box/data/store/setting.dart';
 import 'package:server_box/data/store/snippet.dart';
 
 abstract final class Stores {
-  static final setting = SettingStore();
-  static final server = ServerStore();
-  static final container = ContainerStore();
-  static final history = HistoryStore();
-  static final key = PrivateKeyStore();
-  static final snippet = SnippetStore();
+  static final setting = SettingStore.instance;
+  static final server = ServerStore.instance;
+  static final container = ContainerStore.instance;
+  static final key = PrivateKeyStore.instance;
+  static final snippet = SnippetStore.instance;
+  static final history = HistoryStore.instance;
 
-  static final List<PersistentStore> all = [
-    setting,
-    server,
-    container,
-    history,
-    key,
-    snippet,
+  /// All stores that need backup
+  static final List<PersistentStore> _allBackup = [
+    SettingStore.instance,
+    ServerStore.instance,
+    ContainerStore.instance,
+    PrivateKeyStore.instance,
+    SnippetStore.instance,
+    HistoryStore.instance,
   ];
 
   static Future<void> init() async {
-    await Future.wait(all.map((store) => store.init()));
+    await Future.wait(_allBackup.map((store) => store.init()));
+    await NoBackupStore.instance.init();
   }
 
   static int? get lastModTime {
     int? lastModTime = 0;
-    for (final store in all) {
+    for (final store in _allBackup) {
       final last = store.box.lastModified ?? 0;
       if (last > (lastModTime ?? 0)) {
         lastModTime = last;
diff --git a/lib/data/store/container.dart b/lib/data/store/container.dart
index 82797cf4..8de8f728 100644
--- a/lib/data/store/container.dart
+++ b/lib/data/store/container.dart
@@ -5,7 +5,9 @@ import 'package:server_box/data/res/store.dart';
 const _keyConfig = 'providerConfig';
 
 class ContainerStore extends PersistentStore {
-  ContainerStore() : super('docker');
+  ContainerStore._() : super('docker');
+
+  static final instance = ContainerStore._();
 
   String? fetch(String? id) {
     return box.get(id);
diff --git a/lib/data/store/history.dart b/lib/data/store/history.dart
index 9dd76f9c..cf973466 100644
--- a/lib/data/store/history.dart
+++ b/lib/data/store/history.dart
@@ -46,7 +46,9 @@ class _MapHistory {
 }
 
 class HistoryStore extends PersistentStore {
-  HistoryStore() : super('history');
+  HistoryStore._() : super('history');
+
+  static final instance = HistoryStore._();
 
   /// Paths that user has visited by 'Locate' button
   late final sftpGoPath = _ListHistory(box: box, name: 'sftpPath');
diff --git a/lib/data/store/private_key.dart b/lib/data/store/private_key.dart
index e70badfd..4ef9ccc3 100644
--- a/lib/data/store/private_key.dart
+++ b/lib/data/store/private_key.dart
@@ -3,7 +3,9 @@ import 'package:fl_lib/fl_lib.dart';
 import 'package:server_box/data/model/server/private_key_info.dart';
 
 class PrivateKeyStore extends PersistentStore {
-  PrivateKeyStore() : super('key');
+  PrivateKeyStore._() : super('key');
+
+  static final instance = PrivateKeyStore._();
 
   void put(PrivateKeyInfo info) {
     box.put(info.id, info);
diff --git a/lib/data/store/server.dart b/lib/data/store/server.dart
index 0bbd4e1b..f4cf8ae8 100644
--- a/lib/data/store/server.dart
+++ b/lib/data/store/server.dart
@@ -3,7 +3,9 @@ import 'package:fl_lib/fl_lib.dart';
 import 'package:server_box/data/model/server/server_private_info.dart';
 
 class ServerStore extends PersistentStore {
-  ServerStore() : super('server');
+  ServerStore._() : super('server');
+
+  static final instance = ServerStore._();
 
   void put(Spi info) {
     box.put(info.id, info);
diff --git a/lib/data/store/setting.dart b/lib/data/store/setting.dart
index 45799e34..8ee2cd69 100644
--- a/lib/data/store/setting.dart
+++ b/lib/data/store/setting.dart
@@ -7,7 +7,9 @@ import 'package:server_box/data/model/app/net_view.dart';
 import 'package:server_box/data/res/default.dart';
 
 class SettingStore extends PersistentStore {
-  SettingStore() : super('setting');
+  SettingStore._() : super('setting');
+
+  static final instance = SettingStore._();
 
   // ------BEGIN------
   //
diff --git a/lib/data/store/snippet.dart b/lib/data/store/snippet.dart
index 004b81ca..0b0d146c 100644
--- a/lib/data/store/snippet.dart
+++ b/lib/data/store/snippet.dart
@@ -3,7 +3,9 @@ import 'package:fl_lib/fl_lib.dart';
 import 'package:server_box/data/model/server/snippet.dart';
 
 class SnippetStore extends PersistentStore {
-  SnippetStore() : super('snippet');
+  SnippetStore._() : super('snippet');
+
+  static final instance = SnippetStore._();
 
   void put(Snippet snippet) {
     box.put(snippet.name, snippet);
diff --git a/lib/main.dart b/lib/main.dart
index 077a8119..4eb06750 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -122,7 +122,7 @@ void _doPlatformRelated() async {
   // Plus 1 to avoid 0.
   Computer.shared.turnOn(workersCount: (serversCount / 3).round() + 1);
 
-  sync.sync();
+  bakSync.sync();
 }
 
 // It may contains some async heavy funcs.
diff --git a/lib/view/page/backup.dart b/lib/view/page/backup.dart
index b6ae3f47..3ee858bb 100644
--- a/lib/view/page/backup.dart
+++ b/lib/view/page/backup.dart
@@ -104,7 +104,7 @@ class BackupPage extends StatelessWidget {
           callback: (val) async {
             if (val) {
               icloudLoading.value = true;
-              await sync.sync(rs: icloud);
+              await bakSync.sync(rs: icloud);
               icloudLoading.value = false;
             }
           },
@@ -147,7 +147,7 @@ class BackupPage extends StatelessWidget {
               callback: (val) async {
                 if (val) {
                   webdavLoading.value = true;
-                  await sync.sync(rs: webdav);
+                  await bakSync.sync(rs: webdav);
                   webdavLoading.value = false;
                 }
               },
diff --git a/lib/view/page/home/appbar.dart b/lib/view/page/home/appbar.dart
index f1da3877..389846fe 100644
--- a/lib/view/page/home/appbar.dart
+++ b/lib/view/page/home/appbar.dart
@@ -15,7 +15,7 @@ final class _AppBar extends CustomAppBar {
   @override
   Widget build(BuildContext context) {
     final placeholder = SizedBox(
-      height: CustomAppBar.barHeight ?? 0 + MediaQuery.of(context).padding.top,
+      height: CustomAppBar.sysStatusBarHeight ?? 0 + MediaQuery.of(context).padding.top,
     );
     return selectIndex.listenVal(
       (idx) {
diff --git a/lib/view/page/ssh/page.dart b/lib/view/page/ssh/page.dart
index 88b18e25..c3e81c9b 100644
--- a/lib/view/page/ssh/page.dart
+++ b/lib/view/page/ssh/page.dart
@@ -137,7 +137,7 @@ class SSHPageState extends State<SSHPage>
           _media.padding.top,
       child: Padding(
         padding: EdgeInsets.only(
-          top: widget.notFromTab ? CustomAppBar.barHeight ?? 0 : 0,
+          top: widget.notFromTab ? CustomAppBar.sysStatusBarHeight ?? 0 : 0,
           left: _horizonPadding,
           right: _horizonPadding,
         ),
@@ -155,7 +155,7 @@ class SSHPageState extends State<SSHPage>
           showToolbar: isMobile,
           viewOffset: Offset(
             2 * _horizonPadding,
-            CustomAppBar.barHeight ?? _media.padding.top,
+            CustomAppBar.sysStatusBarHeight ?? _media.padding.top,
           ),
           hideScrollBar: false,
           focusNode: widget.focusNode,
diff --git a/pubspec.lock b/pubspec.lock
index ecde61ce..d39b6d68 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -470,8 +470,8 @@ packages:
     dependency: "direct main"
     description:
       path: "."
-      ref: "v1.0.150"
-      resolved-ref: "53c92f43fff4cf643fc03e186a22268b64085e86"
+      ref: "v1.0.167"
+      resolved-ref: "655787d3766c3795c8185e261c15fae620f0e7f6"
       url: "https://github.com/lppcg/fl_lib"
     source: git
     version: "0.0.1"
@@ -575,14 +575,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "4.0.0"
-  functions_client:
-    dependency: transitive
-    description:
-      name: functions_client
-      sha256: e63f49cd3b41727f47b3bde284a11a4ac62839e0604f64077d4257487510e484
-      url: "https://pub.dev"
-    source: hosted
-    version: "2.3.2"
   glob:
     dependency: transitive
     description:
@@ -591,14 +583,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.2"
-  gotrue:
-    dependency: transitive
-    description:
-      name: gotrue
-      sha256: "8703db795511f69194fe77125a0c838bbb6befc2f95717b6e40331784a8bdecb"
-      url: "https://pub.dev"
-    source: hosted
-    version: "2.8.4"
   graphs:
     dependency: transitive
     description:
@@ -751,14 +735,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "6.8.0"
-  jwt_decode:
-    dependency: transitive
-    description:
-      name: jwt_decode
-      sha256: d2e9f68c052b2225130977429d30f187aa1981d789c76ad104a32243cfdebfbb
-      url: "https://pub.dev"
-    source: hosted
-    version: "0.3.1"
   leak_tracker:
     dependency: transitive
     description:
@@ -899,10 +875,10 @@ packages:
     dependency: transitive
     description:
       name: mime
-      sha256: "2e123074287cc9fd6c09de8336dae606d1ddb88d9ac47358826db698c176a1f2"
+      sha256: "801fd0b26f14a4a58ccb09d5892c3fbdeff209594300a542492cf13fba9d247a"
       url: "https://pub.dev"
     source: hosted
-    version: "1.0.5"
+    version: "1.0.6"
   nested:
     dependency: transitive
     description:
@@ -1056,14 +1032,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.5.1"
-  postgrest:
-    dependency: transitive
-    description:
-      name: postgrest
-      sha256: c4197238601c7c3103b03a4bb77f2050b17d0064bf8b968309421abdebbb7f0e
-      url: "https://pub.dev"
-    source: hosted
-    version: "2.1.4"
   pretty_qr_code:
     dependency: transitive
     description:
@@ -1120,30 +1088,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "3.2.1"
-  realtime_client:
-    dependency: transitive
-    description:
-      name: realtime_client
-      sha256: d897a65ee3b1b5ddc1cf606f0b83792262d38fd5679c2df7e38da29c977513da
-      url: "https://pub.dev"
-    source: hosted
-    version: "2.2.1"
-  retry:
-    dependency: transitive
-    description:
-      name: retry
-      sha256: "822e118d5b3aafed083109c72d5f484c6dc66707885e07c0fbcb8b986bba7efc"
-      url: "https://pub.dev"
-    source: hosted
-    version: "3.1.2"
-  rxdart:
-    dependency: transitive
-    description:
-      name: rxdart
-      sha256: "5c3004a4a8dbb94bd4bf5412a4def4acdaa12e12f269737a5751369e12d1a962"
-      url: "https://pub.dev"
-    source: hosted
-    version: "0.28.0"
   screen_retriever:
     dependency: transitive
     description:
@@ -1293,14 +1237,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.11.1"
-  storage_client:
-    dependency: transitive
-    description:
-      name: storage_client
-      sha256: "28c147c805304dbc2b762becd1fc26ee0cb621ace3732b9ae61ef979aab8b367"
-      url: "https://pub.dev"
-    source: hosted
-    version: "2.0.3"
   stream_channel:
     dependency: transitive
     description:
@@ -1325,22 +1261,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.2.0"
-  supabase:
-    dependency: transitive
-    description:
-      name: supabase
-      sha256: "4ed1cf3298f39865c05b2d8557f92eb131a9b9af70e32e218672a0afce01a6bc"
-      url: "https://pub.dev"
-    source: hosted
-    version: "2.3.0"
-  supabase_flutter:
-    dependency: transitive
-    description:
-      name: supabase_flutter
-      sha256: ff6ba3048fd47d831fdc0027d3efb99346d99b95becfcb406562454bd9b229c5
-      url: "https://pub.dev"
-    source: hosted
-    version: "2.6.0"
   term_glyph:
     dependency: transitive
     description:
@@ -1664,14 +1584,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "3.1.2"
-  yet_another_json_isolate:
-    dependency: transitive
-    description:
-      name: yet_another_json_isolate
-      sha256: "47ed3900e6b0e4dfe378811a4402e85b7fc126a7daa94f840fef65ea9c8e46f4"
-      url: "https://pub.dev"
-    source: hosted
-    version: "2.0.2"
   zmodem:
     dependency: transitive
     description:
diff --git a/pubspec.yaml b/pubspec.yaml
index 5719e0a6..d730e105 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -59,7 +59,7 @@ dependencies:
   fl_lib:
     git:
       url: https://github.com/lppcg/fl_lib
-      ref: v1.0.150
+      ref: v1.0.167
 
 dependency_overrides:
   # dartssh2: