diff --git a/lib/data/model/server_status.dart b/lib/data/model/server_status.dart
index 022e7b0e..c202e5e9 100644
--- a/lib/data/model/server_status.dart
+++ b/lib/data/model/server_status.dart
@@ -35,11 +35,6 @@ class ServerStatus {
   late List<DiskInfo?> disk;
   late TcpStatus tcp;
 
-  ServerStatus(
-      this.cpu2Status,
-      this.memList,
-      this.sysVer,
-      this.uptime,
-      this.disk,
-      this.tcp);
+  ServerStatus(this.cpu2Status, this.memList, this.sysVer, this.uptime,
+      this.disk, this.tcp);
 }
diff --git a/lib/data/provider/server.dart b/lib/data/provider/server.dart
index 47078d58..dabd9fce 100644
--- a/lib/data/provider/server.dart
+++ b/lib/data/provider/server.dart
@@ -73,15 +73,18 @@ class ServerProvider extends BusyProvider {
       }
       return;
     }
-
-    await Future.wait(_servers.map((s) async {
-      final idx = _servers.indexOf(s);
-      final status = await _getData(s.info, idx);
-      if (status != null) {
-        _servers[idx].status = status;
-        notifyListeners();
-      }
-    }));
+    try {
+      await Future.wait(_servers.map((s) async {
+        final idx = _servers.indexOf(s);
+        final status = await _getData(s.info, idx);
+        if (status != null) {
+          _servers[idx].status = status;
+          notifyListeners();
+        }
+      }));
+    } catch (e) {
+      rethrow;
+    }
   }
 
   Future<void> startAutoRefresh() async {
@@ -136,21 +139,27 @@ class ServerProvider extends BusyProvider {
         logger.warning(e);
       }
     }
+    try {
+      final cpu = await client.execute("cat /proc/stat | grep cpu") ?? '';
+      final mem = await client.execute('free -m') ?? '';
+      final sysVer = await client.execute('cat /etc/issue.net') ?? '';
+      final upTime = await client.execute('uptime') ?? '';
+      final disk = await client.execute('df -h') ?? '';
+      final tcp = await client.execute('cat /proc/net/snmp') ?? '';
 
-    final cpu = await client.execute("cat /proc/stat | grep cpu") ?? '';
-    final mem = await client.execute('free -m') ?? '';
-    final sysVer = await client.execute('cat /etc/issue.net') ?? '';
-    final upTime = await client.execute('uptime') ?? '';
-    final disk = await client.execute('df -h') ?? '';
-    final tcp = await client.execute('cat /proc/net/snmp') ?? '';
-
-    return ServerStatus(
-        _getCPU(cpu, _servers[idx].status.cpu2Status),
-        _getMem(mem),
-        sysVer.trim(),
-        _getUpTime(upTime),
-        _getDisk(disk),
-        _getTcp(tcp));
+      return ServerStatus(
+          _getCPU(cpu, _servers[idx].status.cpu2Status),
+          _getMem(mem),
+          sysVer.trim(),
+          _getUpTime(upTime),
+          _getDisk(disk),
+          _getTcp(tcp));
+    } catch (e) {
+      _servers[idx].connectionState = ServerConnectionState.failed;
+      notifyListeners();
+      logger.warning(e);
+      return null;
+    }
   }
 
   Cpu2Status _getCPU(String raw, Cpu2Status old) {
diff --git a/lib/view/page/server/detail.dart b/lib/view/page/server/detail.dart
index 19d21547..7ab92d6d 100644
--- a/lib/view/page/server/detail.dart
+++ b/lib/view/page/server/detail.dart
@@ -14,6 +14,14 @@ class ServerDetailPage extends StatefulWidget {
 }
 
 class _ServerDetailPageState extends State<ServerDetailPage> {
+  late MediaQueryData _media;
+
+  @override
+  void didChangeDependencies() {
+    super.didChangeDependencies();
+    _media = MediaQuery.of(context);
+  }
+
   @override
   Widget build(BuildContext context) {
     return Consumer<ServerProvider>(builder: (_, provider, __) {
@@ -34,11 +42,14 @@ class _ServerDetailPageState extends State<ServerDetailPage> {
   }
 
   Widget _buildCPUView(ServerStatus ss) {
-    return ListView.builder(
-      itemBuilder: (ctx, idx) {
-        return Text('$idx ${ss.cpu2Status.usedPercent(coreIdx: idx)}');
-      },
-      itemCount: ss.cpu2Status.now.length,
+    return ConstrainedBox(
+      constraints: BoxConstraints(maxHeight: _media.size.height * 0.3),
+      child: ListView.builder(
+        itemBuilder: (ctx, idx) {
+          return Text('$idx ${ss.cpu2Status.usedPercent(coreIdx: idx)}');
+        },
+        itemCount: ss.cpu2Status.now.length,
+      ),
     );
   }