diff --git a/README.md b/README.md
index daf7dc09..2f2a2be0 100644
--- a/README.md
+++ b/README.md
@@ -38,9 +38,9 @@ A new Flutter project which provide a chart view to display server status data.
 - [x] Private key store
 - [x] Server status detail page
 - [x] Theme switch
-- [ ] Execute snippet
+- [x] Execute snippet
 - [ ] Migrate from `ssh2` to `dartssh2`
-- [ ] Desktop support.
+- [ ] Desktop support
 
 ## Build
 Please use `make.dart` to build.
diff --git a/ios/Podfile.lock b/ios/Podfile.lock
index af06893b..e157f12f 100644
--- a/ios/Podfile.lock
+++ b/ios/Podfile.lock
@@ -5,6 +5,8 @@ PODS:
   - GZ-NMSSH (4.1.5)
   - path_provider (0.0.1):
     - Flutter
+  - r_upgrade (0.0.1):
+    - Flutter
   - ssh2 (2.2.3):
     - Flutter
     - GZ-NMSSH (~> 4.1.5)
@@ -15,6 +17,7 @@ DEPENDENCIES:
   - countly_flutter (from `.symlinks/plugins/countly_flutter/ios`)
   - Flutter (from `Flutter`)
   - path_provider (from `.symlinks/plugins/path_provider/ios`)
+  - r_upgrade (from `.symlinks/plugins/r_upgrade/ios`)
   - ssh2 (from `.symlinks/plugins/ssh2/ios`)
   - url_launcher (from `.symlinks/plugins/url_launcher/ios`)
 
@@ -29,6 +32,8 @@ EXTERNAL SOURCES:
     :path: Flutter
   path_provider:
     :path: ".symlinks/plugins/path_provider/ios"
+  r_upgrade:
+    :path: ".symlinks/plugins/r_upgrade/ios"
   ssh2:
     :path: ".symlinks/plugins/ssh2/ios"
   url_launcher:
@@ -39,6 +44,7 @@ SPEC CHECKSUMS:
   Flutter: 50d75fe2f02b26cc09d224853bb45737f8b3214a
   GZ-NMSSH: d749f8ae2fd0094b953cd1d5abd8e0cab3c93f8d
   path_provider: d1e9807085df1f9cc9318206cd649dc0b76be3de
+  r_upgrade: 44d715c61914cce3d01ea225abffe894fd51c114
   ssh2: 74165efc99417a075ecafd52caf93edadfb5eb60
   url_launcher: b6e016d912f04be9f5bf6e8e82dc599b7ba59649
 
diff --git a/lib/data/model/server/server_status.dart b/lib/data/model/server/server_status.dart
index 2204458d..fb6343c3 100644
--- a/lib/data/model/server/server_status.dart
+++ b/lib/data/model/server/server_status.dart
@@ -40,5 +40,6 @@ class ServerStatus {
   String? failedInfo;
 
   ServerStatus(this.cpu2Status, this.memory, this.sysVer, this.uptime,
-      this.disk, this.tcp, this.netSpeed, {this.failedInfo});
+      this.disk, this.tcp, this.netSpeed,
+      {this.failedInfo});
 }
diff --git a/lib/data/res/build_data.dart b/lib/data/res/build_data.dart
index f1221f1a..f5c9d9ce 100644
--- a/lib/data/res/build_data.dart
+++ b/lib/data/res/build_data.dart
@@ -2,8 +2,9 @@
 
 class BuildData {
   static const String name = "ToolBox";
-  static const int build = 64;
-  static const String engine = "Flutter 2.5.3 • channel stable • https://github.com/flutter/flutter.git\nFramework • revision 18116933e7 (5 weeks ago) • 2021-10-15 10:46:35 -0700\nEngine • revision d3ea636dc5\nTools • Dart 2.14.4\n";
-  static const String buildAt = "2021-11-21 19:42:23.223010";
-  static const int modifications = 2;
+  static const int build = 65;
+  static const String engine =
+      "Flutter 2.8.1 • channel stable • https://github.com/flutter/flutter.git\nFramework • revision 77d935af4d (2 weeks ago) • 2021-12-16 08:37:33 -0800\nEngine • revision 890a5fca2e\nTools • Dart 2.15.1\n";
+  static const String buildAt = "2021-12-31 15:55:47.350456";
+  static const int modifications = 7;
 }
diff --git a/lib/view/page/server/tab.dart b/lib/view/page/server/tab.dart
index 8bd5b447..05dae129 100644
--- a/lib/view/page/server/tab.dart
+++ b/lib/view/page/server/tab.dart
@@ -1,15 +1,16 @@
 import 'package:after_layout/after_layout.dart';
 import 'package:circle_chart/circle_chart.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
 import 'package:flutter_staggered_animations/flutter_staggered_animations.dart';
 import 'package:get_it/get_it.dart';
 import 'package:provider/provider.dart';
+import 'package:pull_to_refresh/pull_to_refresh.dart';
 import 'package:toolbox/core/route.dart';
 import 'package:toolbox/data/model/server/server.dart';
 import 'package:toolbox/data/model/server/server_connection_state.dart';
 import 'package:toolbox/data/model/server/server_status.dart';
 import 'package:toolbox/data/provider/server.dart';
+import 'package:toolbox/data/res/color.dart';
 import 'package:toolbox/data/store/setting.dart';
 import 'package:toolbox/locator.dart';
 import 'package:toolbox/view/page/server/detail.dart';
@@ -27,6 +28,7 @@ class _ServerPageState extends State<ServerPage>
   late MediaQueryData _media;
   late ThemeData _theme;
   late Color _primaryColor;
+  late RefreshController _refreshController;
 
   late ServerProvider _serverProvider;
 
@@ -34,6 +36,7 @@ class _ServerPageState extends State<ServerPage>
   void initState() {
     super.initState();
     _serverProvider = locator<ServerProvider>();
+    _refreshController = RefreshController();
   }
 
   @override
@@ -41,41 +44,53 @@ class _ServerPageState extends State<ServerPage>
     super.didChangeDependencies();
     _media = MediaQuery.of(context);
     _theme = Theme.of(context);
-    _primaryColor = Color(locator<SettingStore>().primaryColor.fetch()!);
+    _primaryColor = primaryColor;
   }
 
   @override
   Widget build(BuildContext context) {
     super.build(context);
-    return Scaffold(
-      body: Consumer<ServerProvider>(builder: (_, pro, __) {
-        if (pro.servers.isEmpty) {
-          return const Center(
-            child: Text(
-              'There is no server.\nClick the fab to add one.',
-              textAlign: TextAlign.center,
-            ),
-          );
-        }
-        return SingleChildScrollView(
-          padding: const EdgeInsets.symmetric(horizontal: 7),
-          child: AnimationLimiter(
-              child: Column(
-                  children: AnimationConfiguration.toStaggeredList(
-            duration: const Duration(milliseconds: 377),
-            childAnimationBuilder: (widget) => SlideAnimation(
-              verticalOffset: 50.0,
-              child: FadeInAnimation(
-                child: widget,
-              ),
-            ),
-            children: [
-              const SizedBox(height: 13),
-              ...pro.servers.map((e) => _buildEachServerCard(e))
-            ],
-          ))),
+    final autoUpdate =
+        locator<SettingStore>().serverStatusUpdateInterval.fetch() != 0;
+    final child = Consumer<ServerProvider>(builder: (_, pro, __) {
+      if (pro.servers.isEmpty) {
+        return const Center(
+          child: Text(
+            'There is no server.\nClick the fab to add one.',
+            textAlign: TextAlign.center,
+          ),
         );
-      }),
+      }
+      return SingleChildScrollView(
+        padding: const EdgeInsets.symmetric(horizontal: 7),
+        child: AnimationLimiter(
+            child: Column(
+                children: AnimationConfiguration.toStaggeredList(
+          duration: const Duration(milliseconds: 377),
+          childAnimationBuilder: (widget) => SlideAnimation(
+            verticalOffset: 50.0,
+            child: FadeInAnimation(
+              child: widget,
+            ),
+          ),
+          children: [
+            const SizedBox(height: 13),
+            ...pro.servers.map((e) => _buildEachServerCard(e))
+          ],
+        ))),
+      );
+    });
+    return Scaffold(
+      body: autoUpdate
+          ? child
+          : SmartRefresher(
+              controller: _refreshController,
+              child: child,
+              onRefresh: () async {
+                await _serverProvider.refreshData();
+                _refreshController.refreshCompleted();
+              },
+            ),
       floatingActionButton: FloatingActionButton(
         onPressed: () =>
             AppRoute(const ServerEditPage(), 'Add server info page')
@@ -124,7 +139,9 @@ class _ServerPageState extends State<ServerPage>
               style: const TextStyle(fontWeight: FontWeight.bold, fontSize: 12),
               textScaleFactor: 1.0,
             ),
-            Text(getTopRightStr(cs, ss.cpu2Status.temp, ss.uptime, ss.failedInfo),
+            Text(
+                getTopRightStr(
+                    cs, ss.cpu2Status.temp, ss.uptime, ss.failedInfo),
                 textScaleFactor: 1.0,
                 style: TextStyle(
                     color: _theme.textTheme.bodyText1!.color!.withAlpha(100),
@@ -149,7 +166,8 @@ class _ServerPageState extends State<ServerPage>
     );
   }
 
-  String getTopRightStr(ServerConnectionState cs, String temp, String upTime, String? failedInfo) {
+  String getTopRightStr(ServerConnectionState cs, String temp, String upTime,
+      String? failedInfo) {
     switch (cs) {
       case ServerConnectionState.disconnected:
         return 'Disconnected';
diff --git a/lib/view/page/setting.dart b/lib/view/page/setting.dart
index be34eb15..a617c8f6 100644
--- a/lib/view/page/setting.dart
+++ b/lib/view/page/setting.dart
@@ -113,7 +113,8 @@ class _SettingPageState extends State<SettingPage> {
           height: 3,
         ),
         _intervalValue == 0.0
-            ? const Text('You set to 0, will not update automatically.')
+            ? const Text('You set to 0, will not update automatically.\nYou can pull to refresh manually.',
+                style: TextStyle(color: Colors.grey), textAlign: TextAlign.center,)
             : const SizedBox(),
         const SizedBox(
           height: 13,
diff --git a/lib/view/page/snippet/list.dart b/lib/view/page/snippet/list.dart
index 77210826..acbdd1ae 100644
--- a/lib/view/page/snippet/list.dart
+++ b/lib/view/page/snippet/list.dart
@@ -122,7 +122,8 @@ class _SnippetListPageState extends State<SnippetListPage> {
             final result = await locator<ServerProvider>()
                 .runSnippet(_selectedIndex, snippet);
             if (result != null) {
-              showRoundDialog(context, 'Result', Text(result, style: const TextStyle(fontSize: 13)), [
+              showRoundDialog(context, 'Result',
+                  Text(result, style: const TextStyle(fontSize: 13)), [
                 TextButton(
                     onPressed: () => Navigator.of(context).pop(),
                     child: const Text('Close'))
diff --git a/pubspec.lock b/pubspec.lock
index 89ee6901..cd0905ff 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -28,7 +28,7 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.8.1"
+    version: "2.8.2"
   boolean_selector:
     dependency: transitive
     description:
@@ -42,7 +42,7 @@ packages:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   charcode:
     dependency: transitive
     description:
@@ -264,7 +264,7 @@ packages:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.10"
+    version: "0.12.11"
   meta:
     dependency: transitive
     description:
@@ -363,6 +363,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "6.0.1"
+  pull_to_refresh:
+    dependency: "direct main"
+    description:
+      name: pull_to_refresh
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.0"
   r_upgrade:
     dependency: "direct main"
     description:
@@ -423,7 +430,7 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.2"
+    version: "0.4.3"
   typed_data:
     dependency: transitive
     description:
@@ -493,7 +500,7 @@ packages:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
   win32:
     dependency: transitive
     description:
diff --git a/pubspec.yaml b/pubspec.yaml
index ad1c7fc4..3fe4f2b8 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -52,6 +52,7 @@ dependencies:
       ref: main
   clipboard: ^0.1.3
   r_upgrade: ^0.3.6
+  pull_to_refresh: ^2.0.0
 
 
 dev_dependencies: