diff --git a/lib/data/provider/server.dart b/lib/data/provider/server.dart
index ede2c92c..8327e2ae 100644
--- a/lib/data/provider/server.dart
+++ b/lib/data/provider/server.dart
@@ -296,22 +296,27 @@ class ServerProvider extends BusyProvider {
   }
 
   void _getMem(ServerPrivateInfo spi, String raw) {
+    const memPrefixies = ['Mem:', '内存：'];
     final info = _servers.firstWhere((e) => e.info == spi);
     for (var item in raw.split('\n')) {
-      if (item.contains('Mem:') || item.contains('内存：')) {
-        var split = item.replaceFirst('Mem:', '');
-        split = split.replaceFirst('内存：', '');
-        split = split.split(' ');
-        split.removeWhere((e) => e == '');
-        final memList = split.map((e) => int.parse(e)).toList();
-        info.status.memory = Memory(
-            total: memList[0],
-            used: memList[1],
-            free: memList[2],
-            shared: memList[3],
-            cache: memList[4],
-            avail: memList[5]);
+      var found = false;
+      for (var memPrefix in memPrefixies) {
+        if (item.contains(memPrefix)) {
+          found = true;
+          final split = item.replaceFirst(memPrefix, '').split(' ');
+          split.removeWhere((e) => e == '');
+          final memList = split.map((e) => int.parse(e)).toList();
+          info.status.memory = Memory(
+              total: memList[0],
+              used: memList[1],
+              free: memList[2],
+              shared: memList[3],
+              cache: memList[4],
+              avail: memList[5]);
+          break;
+        }
       }
+      if (found) break;
     }
   }
 
diff --git a/lib/data/res/build_data.dart b/lib/data/res/build_data.dart
index ddf3d04f..7beff5f6 100644
--- a/lib/data/res/build_data.dart
+++ b/lib/data/res/build_data.dart
@@ -2,9 +2,9 @@
 
 class BuildData {
   static const String name = "ServerBox";
-  static const int build = 98;
+  static const int build = 101;
   static const String engine =
-      "╔════════════════════════════════════════════════════════════════════════════╗\n║ A new version of Flutter is available!                                     ║\n║                                                                            ║\n║ To update to the latest version, run \"flutter upgrade\".                    ║\n╚════════════════════════════════════════════════════════════════════════════╝\n\nFlutter 2.8.1 • channel stable • https://github.com/flutter/flutter.git\nFramework • revision 77d935af4d (9 weeks ago) • 2021-12-16 08:37:33 -0800\nEngine • revision 890a5fca2e\nTools • Dart 2.15.1\n";
-  static const String buildAt = "2022-02-18 13:28:18.254386";
-  static const int modifications = 5;
+      "Flutter 2.8.1 • channel stable • https://github.com/flutter/flutter.git\nFramework • revision 77d935af4d (3 months ago) • 2021-12-16 08:37:33 -0800\nEngine • revision 890a5fca2e\nTools • Dart 2.15.1\n";
+  static const String buildAt = "2022-03-02 11:12:07.958841";
+  static const int modifications = 4;
 }
diff --git a/lib/view/page/server/detail.dart b/lib/view/page/server/detail.dart
index 2f1e2ccd..7d1a23ab 100644
--- a/lib/view/page/server/detail.dart
+++ b/lib/view/page/server/detail.dart
@@ -307,7 +307,17 @@ class _ServerDetailPageState extends State<ServerDetailPage>
         height: 7,
       )
     ];
-    children.addAll(ns.devices.map((e) => _buildNetSpeedItem(ns, e)));
+    if (ns.devices.isEmpty) {
+      children.add(const Center(
+        child: Text(
+          'No interface.',
+          style: TextStyle(color: Colors.grey),
+        ),
+      ));
+    } else {
+      children.addAll(ns.devices.map((e) => _buildNetSpeedItem(ns, e)));
+    }
+
     return RoundRectCard(Padding(
       padding: const EdgeInsets.symmetric(vertical: 7, horizontal: 17),
       child: Column(
diff --git a/lib/view/page/sftp.dart b/lib/view/page/sftp.dart
index 623fcbdf..5b82cb9e 100644
--- a/lib/view/page/sftp.dart
+++ b/lib/view/page/sftp.dart
@@ -142,18 +142,7 @@ class _SFTPPageState extends State<SFTPPage> {
             ListTile(
               leading: const Icon(Icons.delete),
               title: const Text('Delete'),
-              onTap: () => showRoundDialog(context, 'Confirm',
-                  Text('Are you sure to delete ${file.filename}?'), [
-                TextButton(
-                    onPressed: () => Navigator.of(context).pop(),
-                    child: const Text('Cancel')),
-                TextButton(
-                    onPressed: () {},
-                    child: const Text(
-                      'Delete',
-                      style: TextStyle(color: Colors.red),
-                    )),
-              ]),
+              onTap: () => delete(context, left, file),
             ),
             ListTile(
                 leading: const Icon(Icons.folder),
@@ -162,7 +151,7 @@ class _SFTPPageState extends State<SFTPPage> {
             ListTile(
               leading: Icon(left ? Icons.arrow_forward : Icons.arrow_back),
               title: const Text('Copy'),
-              onTap: () {},
+              onTap: () => copy(context, left, file),
             ),
             ListTile(
               leading: const Icon(Icons.edit),
@@ -172,7 +161,7 @@ class _SFTPPageState extends State<SFTPPage> {
             ListTile(
               leading: const Icon(Icons.file_download),
               title: const Text('Download'),
-              onTap: () {},
+              onTap: () => download(context, left, file),
             ),
           ],
         ),
@@ -183,6 +172,25 @@ class _SFTPPageState extends State<SFTPPage> {
         ]);
   }
 
+  void download(BuildContext context, bool left, SftpName file) {}
+
+  void copy(BuildContext context, bool left, SftpName file) {}
+
+  void delete(BuildContext context, bool left, SftpName file) {
+    showRoundDialog(
+        context, 'Confirm', Text('Are you sure to delete ${file.filename}?'), [
+      TextButton(
+          onPressed: () => Navigator.of(context).pop(),
+          child: const Text('Cancel')),
+      TextButton(
+          onPressed: () {},
+          child: const Text(
+            'Delete',
+            style: TextStyle(color: Colors.red),
+          )),
+    ]);
+  }
+
   void mkdir(BuildContext context, bool left) {
     final textController = TextEditingController();
     showRoundDialog(
@@ -320,7 +328,7 @@ class _SFTPPageState extends State<SFTPPage> {
 
                 return Text(
                   (exceeded ? '...' : '') + str!.substring(str.length - len),
-                  overflow: TextOverflow.clip,
+                  overflow: TextOverflow.ellipsis,
                   maxLines: 1,
                   style: const TextStyle(color: Colors.grey),
                 );