diff --git a/flutter/lib/desktop/pages/server_page.dart b/flutter/lib/desktop/pages/server_page.dart
index 5d6805d97..66b9b0350 100644
--- a/flutter/lib/desktop/pages/server_page.dart
+++ b/flutter/lib/desktop/pages/server_page.dart
@@ -166,7 +166,7 @@ class ConnectionManagerState extends State<ConnectionManager> {
           SizedBox(
               width: 80,
               child: Text(
-                "${client.name}",
+                client.name,
                 maxLines: 1,
                 overflow: TextOverflow.ellipsis,
                 textAlign: TextAlign.center,
@@ -242,7 +242,7 @@ class _CmHeaderState extends State<_CmHeader>
     with AutomaticKeepAliveClientMixin {
   Client get client => widget.client;
 
-  var _time = 0.obs;
+  final _time = 0.obs;
   Timer? _timer;
 
   @override
@@ -272,7 +272,7 @@ class _CmHeaderState extends State<_CmHeader>
           alignment: Alignment.center,
           decoration: BoxDecoration(color: str2color(client.name)),
           child: Text(
-            "${client.name[0]}",
+            client.name[0],
             style: TextStyle(
                 fontWeight: FontWeight.bold, color: Colors.white, fontSize: 65),
           ),
@@ -284,7 +284,7 @@ class _CmHeaderState extends State<_CmHeader>
             children: [
               FittedBox(
                   child: Text(
-                "${client.name}",
+                client.name,
                 style: TextStyle(
                   color: MyTheme.cmIdColor,
                   fontWeight: FontWeight.bold,
@@ -303,9 +303,9 @@ class _CmHeaderState extends State<_CmHeader>
               FittedBox(
                   child: Row(
                 children: [
-                  Text("${translate("Connected")}").marginOnly(right: 8.0),
+                  Text(translate("Connected")).marginOnly(right: 8.0),
                   Obx(() => Text(
-                      "${formatDurationToTime(Duration(seconds: _time.value))}"))
+                      formatDurationToTime(Duration(seconds: _time.value))))
                 ],
               ))
             ],
@@ -339,10 +339,10 @@ class _PrivilegeBoard extends StatefulWidget {
 
 class _PrivilegeBoardState extends State<_PrivilegeBoard> {
   late final client = widget.client;
-  Widget buildPermissionIcon(bool enabled, ImageProvider icon,
-      Function(bool)? onTap, String? tooltip) {
+  Widget buildPermissionIcon(
+      bool enabled, ImageProvider icon, Function(bool)? onTap, String tooltip) {
     return Tooltip(
-      message: tooltip ?? "",
+      message: tooltip,
       child: Ink(
         decoration:
             BoxDecoration(color: enabled ? MyTheme.accent80 : Colors.grey),
@@ -384,42 +384,42 @@ class _PrivilegeBoardState extends State<_PrivilegeBoard> {
                 setState(() {
                   client.keyboard = enabled;
                 });
-              }, null),
+              }, translate('Allow using keyboard and mouse')),
               buildPermissionIcon(client.clipboard, iconClipboard, (enabled) {
                 bind.cmSwitchPermission(
                     connId: client.id, name: "clipboard", enabled: enabled);
                 setState(() {
                   client.clipboard = enabled;
                 });
-              }, null),
+              }, translate('Allow using clipboard')),
               buildPermissionIcon(client.audio, iconAudio, (enabled) {
                 bind.cmSwitchPermission(
                     connId: client.id, name: "audio", enabled: enabled);
                 setState(() {
                   client.audio = enabled;
                 });
-              }, null),
+              }, translate('Allow hearing sound')),
               buildPermissionIcon(client.file, iconFile, (enabled) {
                 bind.cmSwitchPermission(
                     connId: client.id, name: "file", enabled: enabled);
                 setState(() {
                   client.file = enabled;
                 });
-              }, null),
+              }, translate('Allow file copy and paste')),
               buildPermissionIcon(client.restart, iconRestart, (enabled) {
                 bind.cmSwitchPermission(
                     connId: client.id, name: "restart", enabled: enabled);
                 setState(() {
                   client.restart = enabled;
                 });
-              }, null),
+              }, translate('Allow remote restart')),
               buildPermissionIcon(client.recording, iconRecording, (enabled) {
                 bind.cmSwitchPermission(
                     connId: client.id, name: "recording", enabled: enabled);
                 setState(() {
                   client.recording = enabled;
                 });
-              }, null),
+              }, translate('Allow reco)rding session'))
             ],
           )),
         ],