diff --git a/lib/data/provider/server.dart b/lib/data/provider/server.dart
index a3c02fac..e7eb1f04 100644
--- a/lib/data/provider/server.dart
+++ b/lib/data/provider/server.dart
@@ -4,6 +4,7 @@ import 'package:ssh2/ssh2.dart';
 import 'package:toolbox/core/extension/stringx.dart';
 import 'package:toolbox/core/provider_base.dart';
 import 'package:toolbox/data/model/disk_info.dart';
+import 'package:toolbox/data/model/server.dart';
 import 'package:toolbox/data/model/server_private_info.dart';
 import 'package:toolbox/data/model/server_status.dart';
 import 'package:toolbox/data/model/tcp_status.dart';
@@ -11,12 +12,8 @@ import 'package:toolbox/data/store/server.dart';
 import 'package:toolbox/locator.dart';
 
 class ServerProvider extends BusyProvider {
-  List<ServerPrivateInfo> _servers = [];
-  List<ServerStatus> _serversStatus = [];
-  List<SSHClient> _clients = [];
-
-  List<ServerPrivateInfo> get servers => _servers;
-  List<ServerStatus> get serversStatus => _serversStatus;
+  List<ServerInfo> _servers = [];
+  List<ServerInfo> get servers => _servers;
 
   ServerStatus get emptyStatus => ServerStatus(
       cpuPercent: 0,
@@ -36,41 +33,39 @@ class ServerProvider extends BusyProvider {
 
   Future<void> loadLocalData() async {
     setBusyState(true);
-    _servers = locator<ServerStore>().fetch();
-    initStatusList();
+    final infos = locator<ServerStore>().fetch();
+    _servers = List.generate(infos.length, (index) => genInfo(infos[index]));
     setBusyState(false);
     notifyListeners();
   }
 
-  void initStatusList() {
-    _clients = List.generate(
-        _servers.length,
-        (idx) => _fillClient(idx));
-    _serversStatus = List.generate(_servers.length, (idx) => _fillStatus(idx));
+  ServerInfo genInfo(ServerPrivateInfo spi) {
+    return ServerInfo(
+        spi,
+        emptyStatus,
+        SSHClient(
+            host: spi.ip!,
+            port: spi.port!,
+            username: spi.user!,
+            passwordOrKey: spi.authorization));
   }
 
-  SSHClient _fillClient(int idx) {
-    if (idx < _clients.length) {
-      return _clients[idx];
-    }
+  SSHClient genClient(ServerPrivateInfo spi) {
     return SSHClient(
-              host: _servers[idx].ip!,
-              port: _servers[idx].port!,
-              username: _servers[idx].user!,
-              passwordOrKey: _servers[idx].authorization,
-            );
-  }
-
-  ServerStatus _fillStatus(int idx) {
-    if (idx < _serversStatus.length) {
-      return _serversStatus[idx];
-    }
-    return emptyStatus;
+        host: spi.ip!,
+        port: spi.port!,
+        username: spi.user!,
+        passwordOrKey: spi.authorization);
   }
 
   Future<void> refreshData() async {
-    _serversStatus = await Future.wait(
-        _servers.map((s) => _getData(s, _servers.indexOf(s))));
+    final _serversStatus = await Future.wait(
+        _servers.map((s) => _getData(s.info, _servers.indexOf(s))));
+    int idx = 0;
+    for (var item in _serversStatus) {
+      _servers[idx].status = item;
+      idx++;
+    }
     notifyListeners();
   }
 
@@ -81,28 +76,27 @@ class ServerProvider extends BusyProvider {
   }
 
   void addServer(ServerPrivateInfo info) {
-    _servers.add(info);
+    _servers.add(genInfo(info));
     locator<ServerStore>().put(info);
-    initStatusList();
     notifyListeners();
   }
 
   void delServer(ServerPrivateInfo info) {
-    _servers.remove(info);
+    _servers.removeWhere((e) => e.info == info);
     locator<ServerStore>().delete(info);
-    initStatusList();
     notifyListeners();
   }
 
   void updateServer(ServerPrivateInfo old, ServerPrivateInfo newInfo) {
-    _servers[_servers.indexOf(old)] = newInfo;
+    final idx = _servers.indexWhere((e) => e.info == old);
+    _servers[idx].info = newInfo;
+    _servers[idx].client = genClient(newInfo);
     locator<ServerStore>().update(old, newInfo);
-    initStatusList();
     notifyListeners();
   }
 
   Future<ServerStatus> _getData(ServerPrivateInfo info, int idx) async {
-    final client = _clients[idx];
+    final client = _servers[idx].client;
     if (!(await client.isConnected())) {
       await client.connect();
     }
diff --git a/lib/data/res/build_data.dart b/lib/data/res/build_data.dart
index b3a17e7c..e9724ae1 100644
--- a/lib/data/res/build_data.dart
+++ b/lib/data/res/build_data.dart
@@ -3,7 +3,8 @@
 class BuildData {
   static const String name = "ToolBox";
   static const int build = 10;
-  static const String engine = "Flutter 2.5.0 • channel stable • https://github.com/flutter/flutter.git\nFramework • revision 4cc385b4b8 (10 days ago) • 2021-09-07 23:01:49 -0700\nEngine • revision f0826da7ef\nTools • Dart 2.14.0\n";
+  static const String engine =
+      "Flutter 2.5.0 • channel stable • https://github.com/flutter/flutter.git\nFramework • revision 4cc385b4b8 (10 days ago) • 2021-09-07 23:01:49 -0700\nEngine • revision f0826da7ef\nTools • Dart 2.14.0\n";
   static const String buildAt = "2021-09-18 17:25:30.528659";
   static const int modifications = 9;
 }
diff --git a/lib/view/page/server.dart b/lib/view/page/server.dart
index caafea9e..5d37cf2b 100644
--- a/lib/view/page/server.dart
+++ b/lib/view/page/server.dart
@@ -31,10 +31,6 @@ class _ServerPageState extends State<ServerPage>
   final usernameController = TextEditingController();
   final passwordController = TextEditingController();
   final keyController = TextEditingController();
-  final ipFocusNode = FocusNode();
-  final portFocusNode = FocusNode();
-  final usernameFocusNode = FocusNode();
-  final passwordFocusNode = FocusNode();
 
   late ServerProvider serverProvider;
   final cachedServerStatus = <ServerStatus?>[];
@@ -73,7 +69,7 @@ class _ServerPageState extends State<ServerPage>
               children: [
                 const SizedBox(height: 13),
                 ...pro.servers.map((e) => _buildEachServerCard(
-                    pro.serversStatus[pro.servers.indexOf(e)], e))
+                    pro.servers[pro.servers.indexOf(e)].status, e.info))
               ],
             ));
           })),
@@ -134,32 +130,21 @@ class _ServerPageState extends State<ServerPage>
             controller: nameController,
             keyboardType: TextInputType.text,
             decoration: _buildDecoration('名称'),
-            onSubmitted: (_) =>
-                FocusScope.of(context).requestFocus(ipFocusNode),
           ),
           TextField(
             controller: ipController,
-            focusNode: ipFocusNode,
             keyboardType: TextInputType.text,
             decoration: _buildDecoration('IP'),
-            onSubmitted: (_) =>
-                FocusScope.of(context).requestFocus(usernameFocusNode),
           ),
           TextField(
             controller: portController,
-            focusNode: portFocusNode,
             keyboardType: TextInputType.number,
             decoration: _buildDecoration('Port'),
-            onSubmitted: (_) =>
-                FocusScope.of(context).requestFocus(usernameFocusNode),
           ),
           TextField(
             controller: usernameController,
-            focusNode: usernameFocusNode,
             keyboardType: TextInputType.text,
             decoration: _buildDecoration('用户名'),
-            onSubmitted: (_) =>
-                FocusScope.of(context).requestFocus(passwordFocusNode),
           ),
           TextField(
             controller: keyController,
@@ -169,7 +154,6 @@ class _ServerPageState extends State<ServerPage>
           ),
           TextField(
             controller: passwordController,
-            focusNode: passwordFocusNode,
             obscureText: true,
             keyboardType: TextInputType.text,
             decoration: _buildDecoration('密码'),
@@ -216,12 +200,13 @@ class _ServerPageState extends State<ServerPage>
     for (var e in ss.memList!) {
       memData.add(IndexPercent(ss.memList!.indexOf(e), e!.toInt()));
     }
-    
+
     final mem1 = memData[1];
     memData[1] = memData.last;
     memData.last = mem1;
-    
-    final rootDisk = ss.disk!.firstWhere((element) => element!.mountLocation == '/');
+
+    final rootDisk =
+        ss.disk!.firstWhere((element) => element!.mountLocation == '/');
 
     return Column(
       crossAxisAlignment: CrossAxisAlignment.start,
@@ -261,8 +246,10 @@ class _ServerPageState extends State<ServerPage>
                 data: memData,
               )
             ]),
-            _buildIOData('Net', 'Conn:\n' + ss.tcp!.maxConn!.toString(), 'Fail:\n' + ss.tcp!.fail.toString()),
-            _buildIOData('Disk', 'Total:\n' + rootDisk!.size!, 'Used:\n' + rootDisk.usedPercent.toString() + '%')
+            _buildIOData('Net', 'Conn:\n' + ss.tcp!.maxConn!.toString(),
+                'Fail:\n' + ss.tcp!.fail.toString()),
+            _buildIOData('Disk', 'Total:\n' + rootDisk!.size!,
+                'Used:\n' + rootDisk.usedPercent.toString() + '%')
           ],
         ),
       ],
@@ -270,7 +257,8 @@ class _ServerPageState extends State<ServerPage>
   }
 
   Widget _buildIOData(String title, String up, String down) {
-    final statusTextStyle = TextStyle(fontSize: 11, color: _theme.textTheme.bodyText1!.color!.withAlpha(177));
+    final statusTextStyle = TextStyle(
+        fontSize: 11, color: _theme.textTheme.bodyText1!.color!.withAlpha(177));
     return SizedBox(
       width: _media.size.width * 0.2,
       height: _media.size.height * 0.1,
@@ -280,20 +268,20 @@ class _ServerPageState extends State<ServerPage>
             child: Center(
               child: Column(
                 mainAxisAlignment: MainAxisAlignment.center,
-              children: [
-                Text(
-                  up,
-                  style: statusTextStyle,
-                  textAlign: TextAlign.center,
-                ),
-                const SizedBox(height: 3),
-                Text(
-                  down + '\n',
-                  style: statusTextStyle,
-                  textAlign: TextAlign.center,
-                )
-              ],
-            ),
+                children: [
+                  Text(
+                    up,
+                    style: statusTextStyle,
+                    textAlign: TextAlign.center,
+                  ),
+                  const SizedBox(height: 3),
+                  Text(
+                    down + '\n',
+                    style: statusTextStyle,
+                    textAlign: TextAlign.center,
+                  )
+                ],
+              ),
             ),
           ),
           Positioned(
@@ -315,10 +303,12 @@ class _ServerPageState extends State<ServerPage>
         children: [
           DonutPieChart(series),
           Positioned.fill(
-            child: Center(child: Text(
-              '${percent.toStringAsFixed(1)}%\n',
-              textAlign: TextAlign.center,
-            ),),
+            child: Center(
+              child: Text(
+                '${percent.toStringAsFixed(1)}%\n',
+                textAlign: TextAlign.center,
+              ),
+            ),
           ),
           Positioned(
               child: Text(title, textAlign: TextAlign.center),