diff --git a/Cargo.lock b/Cargo.lock
index 3a6abcaf7..e4b5d2792 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3975,7 +3975,7 @@ dependencies = [
 [[package]]
 name = "rdev"
 version = "0.5.0-2"
-source = "git+https://github.com/asur4s/rdev#0ad53987fa6f0e37a7bc000358f71c3802de4e7c"
+source = "git+https://github.com/asur4s/rdev#bff57a29e3f14d032ab7441b2d6cf029df8adaca"
 dependencies = [
  "cocoa",
  "core-foundation 0.9.3",
diff --git a/build.py b/build.py
index 27b5af744..97b1c02f9 100755
--- a/build.py
+++ b/build.py
@@ -142,12 +142,12 @@ def build_flutter_deb(version):
     os.chdir('flutter')
     os.system('dpkg-deb -R rustdesk.deb tmpdeb')
     os.system('flutter build linux --release')
-    os.system('strip build/linux/x64/release/liblibrustdesk.so')
 
     os.system('mkdir -p tmpdeb/usr/bin/')
     os.system('mkdir -p tmpdeb/usr/lib/rustdesk')
     os.system('mkdir -p tmpdeb/usr/share/rustdesk/files/systemd/')
     os.system('mkdir -p tmpdeb/usr/share/applications/')
+    os.system('mkdir -p tmpdeb/usr/share/polkit-1/actions')
 
     os.system(
         'cp -r build/linux/x64/release/bundle/* tmpdeb/usr/lib/rustdesk/')
@@ -163,6 +163,10 @@ def build_flutter_deb(version):
         'cp ../128x128@2x.png tmpdeb/usr/share/rustdesk/files/rustdesk.png')
     os.system(
         'cp ../rustdesk.desktop tmpdeb/usr/share/applications/rustdesk.desktop')
+    os.system(
+        'cp ../com.rustdesk.RustDesk.policy tmpdeb/usr/share/polkit-1/actions/')
+    os.system("echo \"#!/bin/sh\" >> tmpdeb/usr/share/rustdesk/files/polkit && chmod a+x tmpdeb/usr/share/rustdesk/files/polkit")
+
     os.system('mkdir -p tmpdeb/DEBIAN')
     generate_control_file(version)
     os.system('cp -a ../DEBIAN/* tmpdeb/DEBIAN/')
diff --git a/flutter/lib/desktop/pages/connection_page.dart b/flutter/lib/desktop/pages/connection_page.dart
index 134fe4219..9024c996f 100644
--- a/flutter/lib/desktop/pages/connection_page.dart
+++ b/flutter/lib/desktop/pages/connection_page.dart
@@ -414,7 +414,7 @@ class _ConnectionPageState extends State<ConnectionPage> {
             );
           } else {
             if (model.abLoading) {
-              return Center(
+              return const Center(
                 child: CircularProgressIndicator(),
               );
             } else if (model.abError.isNotEmpty) {
@@ -782,6 +782,7 @@ class _PeerTabbedPageState extends State<_PeerTabbedPage>
         bind.mainDiscover();
         break;
       case 3:
+        gFFI.abModel.updateAb();
         break;
     }
   }
diff --git a/flutter/lib/desktop/widgets/peer_widget.dart b/flutter/lib/desktop/widgets/peer_widget.dart
index 32976fb5b..f137241a9 100644
--- a/flutter/lib/desktop/widgets/peer_widget.dart
+++ b/flutter/lib/desktop/widgets/peer_widget.dart
@@ -43,7 +43,7 @@ class _PeerWidgetState extends State<_PeerWidget> with WindowListener {
   final _curPeers = <String>{};
   var _lastChangeTime = DateTime.now();
   var _lastQueryPeers = <String>{};
-  var _lastQueryTime = DateTime.now().subtract(Duration(hours: 1));
+  var _lastQueryTime = DateTime.now().subtract(const Duration(hours: 1));
   var _queryCoun = 0;
   var _exit = false;
 
@@ -143,8 +143,8 @@ class _PeerWidgetState extends State<_PeerWidget> with WindowListener {
       while (!_exit) {
         final now = DateTime.now();
         if (!setEquals(_curPeers, _lastQueryPeers)) {
-          if (now.difference(_lastChangeTime) > Duration(seconds: 1)) {
-            if (_curPeers.length > 0) {
+          if (now.difference(_lastChangeTime) > const Duration(seconds: 1)) {
+            if (_curPeers.isNotEmpty) {
               platformFFI.ffiBind
                   .queryOnlines(ids: _curPeers.toList(growable: false));
               _lastQueryPeers = {..._curPeers};
@@ -154,8 +154,8 @@ class _PeerWidgetState extends State<_PeerWidget> with WindowListener {
           }
         } else {
           if (_queryCoun < _maxQueryCount) {
-            if (now.difference(_lastQueryTime) > Duration(seconds: 20)) {
-              if (_curPeers.length > 0) {
+            if (now.difference(_lastQueryTime) > const Duration(seconds: 20)) {
+              if (_curPeers.isNotEmpty) {
                 platformFFI.ffiBind
                     .queryOnlines(ids: _curPeers.toList(growable: false));
                 _lastQueryTime = DateTime.now();
@@ -164,7 +164,7 @@ class _PeerWidgetState extends State<_PeerWidget> with WindowListener {
             }
           }
         }
-        await Future.delayed(Duration(milliseconds: 300));
+        await Future.delayed(const Duration(milliseconds: 300));
       }
     }();
   }
@@ -266,7 +266,7 @@ class AddressBookPeerWidget extends BasePeerWidget {
           loadEvent: 'load_address_book_peers',
           offstageFunc: (Peer peer) =>
               !_hitTag(gFFI.abModel.selectedTags, peer.tags),
-          peerCardWidgetFunc: (Peer peer) => DiscoveredPeerCard(
+          peerCardWidgetFunc: (Peer peer) => AddressBookPeerCard(
             peer: peer,
           ),
           initPeers: _loadPeers(),
@@ -292,4 +292,11 @@ class AddressBookPeerWidget extends BasePeerWidget {
     }
     return true;
   }
+
+  @override
+  Widget build(BuildContext context) {
+    final widget = super.build(context);
+    gFFI.abModel.updateAb();
+    return widget;
+  }
 }
diff --git a/flutter/lib/desktop/widgets/peercard_widget.dart b/flutter/lib/desktop/widgets/peercard_widget.dart
index d9a87cd7b..fc93c59c6 100644
--- a/flutter/lib/desktop/widgets/peercard_widget.dart
+++ b/flutter/lib/desktop/widgets/peercard_widget.dart
@@ -113,15 +113,16 @@ class _PeerCardState extends State<_PeerCard>
                         children: [
                           Row(children: [
                             Padding(
-                                padding: EdgeInsets.fromLTRB(0, 4, 4, 4),
+                                padding: const EdgeInsets.fromLTRB(0, 4, 4, 4),
                                 child: CircleAvatar(
                                     radius: 5,
                                     backgroundColor: peer.online
                                         ? Colors.green
                                         : Colors.yellow)),
                             Text(
-                              formatID('${peer.id}'),
-                              style: TextStyle(fontWeight: FontWeight.w400),
+                              formatID(peer.id),
+                              style:
+                                  const TextStyle(fontWeight: FontWeight.w400),
                             ),
                           ]),
                           Align(
@@ -136,7 +137,7 @@ class _PeerCardState extends State<_PeerCard>
                                       : snapshot.data!;
                                   return Tooltip(
                                     message: name,
-                                    waitDuration: Duration(seconds: 1),
+                                    waitDuration: const Duration(seconds: 1),
                                     child: Text(
                                       name,
                                       style: greyStyle,
@@ -208,10 +209,11 @@ class _PeerCardState extends State<_PeerCard>
                                           : widget.alias.value;
                                       return Tooltip(
                                         message: name,
-                                        waitDuration: Duration(seconds: 1),
+                                        waitDuration:
+                                            const Duration(seconds: 1),
                                         child: Text(
                                           name,
-                                          style: TextStyle(
+                                          style: const TextStyle(
                                               color: Colors.white70,
                                               fontSize: 12),
                                           textAlign: TextAlign.center,
@@ -236,7 +238,7 @@ class _PeerCardState extends State<_PeerCard>
                     children: [
                       Row(children: [
                         Padding(
-                            padding: EdgeInsets.fromLTRB(0, 4, 8, 4),
+                            padding: const EdgeInsets.fromLTRB(0, 4, 8, 4),
                             child: CircleAvatar(
                                 radius: 5,
                                 backgroundColor: peer.online
@@ -501,7 +503,7 @@ abstract class BasePeerCard extends StatelessWidget {
           final favs = (await bind.mainGetFav()).toList();
           if (!favs.contains(id)) {
             favs.add(id);
-            bind.mainStoreFav(favs: favs);
+            await bind.mainStoreFav(favs: favs);
           }
         }();
       },
@@ -510,7 +512,8 @@ abstract class BasePeerCard extends StatelessWidget {
   }
 
   @protected
-  MenuEntryBase<String> _rmFavAction(String id) {
+  MenuEntryBase<String> _rmFavAction(
+      String id, Future<void> Function() reloadFunc) {
     return MenuEntryButton<String>(
       childBuilder: (TextStyle? style) => Text(
         translate('Remove from Favorites'),
@@ -520,8 +523,9 @@ abstract class BasePeerCard extends StatelessWidget {
         () async {
           final favs = (await bind.mainGetFav()).toList();
           if (favs.remove(id)) {
-            bind.mainStoreFav(favs: favs);
-            Get.forceAppUpdate(); // TODO use inner model / state
+            await bind.mainStoreFav(favs: favs);
+            await reloadFunc();
+            // Get.forceAppUpdate(); // TODO use inner model / state
           }
         }();
       },
@@ -646,7 +650,9 @@ class FavoritePeerCard extends BasePeerCard {
       await bind.mainLoadFavPeers();
     }));
     menuItems.add(_unrememberPasswordAction(peer.id));
-    menuItems.add(_rmFavAction(peer.id));
+    menuItems.add(_rmFavAction(peer.id, () async {
+      await bind.mainLoadFavPeers();
+    }));
     return menuItems;
   }
 }
@@ -817,8 +823,8 @@ class AddressBookPeerCard extends BasePeerCard {
                 color: rxTags.contains(tagName) ? Colors.blue : null,
                 border: Border.all(color: MyTheme.darkGray),
                 borderRadius: BorderRadius.circular(10)),
-            margin: EdgeInsets.symmetric(horizontal: 4.0, vertical: 8.0),
-            padding: EdgeInsets.symmetric(vertical: 2.0, horizontal: 8.0),
+            margin: const EdgeInsets.symmetric(horizontal: 4.0, vertical: 8.0),
+            padding: const EdgeInsets.symmetric(vertical: 2.0, horizontal: 8.0),
             child: Text(
               tagName,
               style: TextStyle(
@@ -831,38 +837,6 @@ class AddressBookPeerCard extends BasePeerCard {
   }
 }
 
-Future<PopupMenuItem<String>> _forceAlwaysRelayMenuItem(String id) async {
-  bool force_always_relay =
-      (await bind.mainGetPeerOption(id: id, key: 'force-always-relay'))
-          .isNotEmpty;
-  return PopupMenuItem<String>(
-      child: Row(
-        children: [
-          Offstage(
-            offstage: !force_always_relay,
-            child: Icon(Icons.check),
-          ),
-          Text(translate('Always connect via relay')),
-        ],
-      ),
-      value: 'force-always-relay');
-}
-
-PopupMenuItem<String> _rdpMenuItem(String id) {
-  return PopupMenuItem<String>(
-      child: Row(
-        children: [
-          Text('RDP'),
-          SizedBox(width: 20),
-          IconButton(
-            icon: Icon(Icons.edit),
-            onPressed: () => _rdpDialog(id),
-          )
-        ],
-      ),
-      value: 'RDP');
-}
-
 void _rdpDialog(String id) async {
   final portController = TextEditingController(
       text: await bind.mainGetPeerOption(id: id, key: 'rdp_port'));
diff --git a/flutter/lib/models/ab_model.dart b/flutter/lib/models/ab_model.dart
index 18bb73c3f..2749e972f 100644
--- a/flutter/lib/models/ab_model.dart
+++ b/flutter/lib/models/ab_model.dart
@@ -28,21 +28,26 @@ class AbModel with ChangeNotifier {
     try {
       final resp =
           await http.post(Uri.parse(api), headers: await _getHeaders());
-      Map<String, dynamic> json = jsonDecode(resp.body);
-      if (json.containsKey('error')) {
-        abError = json['error'];
-      } else if (json.containsKey('data')) {
-        final data = jsonDecode(json['data']);
-        tags.value = data['tags'];
-        peers.value = data['peers'];
+      if (resp.body.isNotEmpty && resp.body.toLowerCase() != "null") {
+        Map<String, dynamic> json = jsonDecode(resp.body);
+        if (json.containsKey('error')) {
+          abError = json['error'];
+        } else if (json.containsKey('data')) {
+          final data = jsonDecode(json['data']);
+          tags.value = data['tags'];
+          peers.value = data['peers'];
+        }
+        notifyListeners();
+        return resp.body;
+      } else {
+        return "";
       }
-      return resp.body;
     } catch (err) {
       abError = err.toString();
     } finally {
+      notifyListeners();
       abLoading = false;
     }
-    notifyListeners();
     return null;
   }
 
@@ -60,7 +65,6 @@ class AbModel with ChangeNotifier {
     return _ffi?.getHttpHeaders();
   }
 
-  ///
   void addId(String id) async {
     if (idContainBy(id)) {
       return;
diff --git a/flutter/pubspec.lock b/flutter/pubspec.lock
index dbdf1637b..acbd45269 100644
--- a/flutter/pubspec.lock
+++ b/flutter/pubspec.lock
@@ -70,7 +70,7 @@ packages:
       name: build
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.3.0"
+    version: "2.3.1"
   build_config:
     dependency: transitive
     description:
@@ -91,21 +91,21 @@ packages:
       name: build_resolvers
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.9"
+    version: "2.0.10"
   build_runner:
     dependency: "direct dev"
     description:
       name: build_runner
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.2.0"
+    version: "2.2.1"
   build_runner_core:
     dependency: transitive
     description:
       name: build_runner_core
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "7.2.3"
+    version: "7.2.4"
   built_collection:
     dependency: transitive
     description:
@@ -973,7 +973,7 @@ packages:
       name: source_gen
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.2"
+    version: "1.2.3"
   source_span:
     dependency: transitive
     description:
diff --git a/src/flutter_ffi.rs b/src/flutter_ffi.rs
index 6f73aa768..4fce42da4 100644
--- a/src/flutter_ffi.rs
+++ b/src/flutter_ffi.rs
@@ -17,14 +17,15 @@ use crate::flutter::{self, SESSIONS};
 use crate::start_server;
 use crate::ui_interface;
 #[cfg(not(any(target_os = "android", target_os = "ios")))]
+use crate::ui_interface::{change_id, get_sound_inputs};
 use crate::ui_interface::{
-    change_id, check_mouse_time, check_super_user_permission, discover, forget_password,
-    get_api_server, get_app_name, get_async_job_status, get_connect_status, get_fav, get_id,
-    get_lan_peers, get_langs, get_license, get_local_option, get_mouse_time, get_option,
-    get_options, get_peer, get_peer_option, get_socks, get_sound_inputs, get_uuid, get_version,
-    has_hwcodec, has_rendezvous_service, post_request, send_to_cm, set_local_option, set_option,
-    set_options, set_peer_option, set_permanent_password, set_socks, store_fav,
-    test_if_valid_server, update_temporary_password, using_public_server,
+    check_mouse_time, check_super_user_permission, discover, forget_password, get_api_server,
+    get_app_name, get_async_job_status, get_connect_status, get_fav, get_id, get_lan_peers,
+    get_langs, get_license, get_local_option, get_mouse_time, get_option, get_options, get_peer,
+    get_peer_option, get_socks, get_uuid, get_version, has_hwcodec, has_rendezvous_service,
+    post_request, send_to_cm, set_local_option, set_option, set_options, set_peer_option,
+    set_permanent_password, set_socks, store_fav, test_if_valid_server, update_temporary_password,
+    using_public_server,
 };
 use crate::{
     client::file_trait::FileManager,
@@ -416,7 +417,10 @@ pub fn session_resume_job(id: String, act_id: i32, is_remote: bool) {
 }
 
 pub fn main_get_sound_inputs() -> Vec<String> {
-    get_sound_inputs()
+    #[cfg(not(any(target_os = "android", target_os = "ios")))]
+    return get_sound_inputs();
+    #[cfg(any(target_os = "android", target_os = "linux"))]
+    vec![String::from("")]
 }
 
 pub fn main_change_id(new_id: String) {
diff --git a/src/ui_interface.rs b/src/ui_interface.rs
index af7e8ba05..90afb8c43 100644
--- a/src/ui_interface.rs
+++ b/src/ui_interface.rs
@@ -223,6 +223,7 @@ pub fn test_if_valid_server(host: String) -> String {
 }
 
 #[inline]
+#[cfg(not(any(target_os = "android", target_os = "ios")))]
 pub fn get_sound_inputs() -> Vec<String> {
     let mut a = Vec::new();
     #[cfg(not(target_os = "linux"))]
diff --git a/src/ui_session_interface.rs b/src/ui_session_interface.rs
index 945c45385..692b592d4 100644
--- a/src/ui_session_interface.rs
+++ b/src/ui_session_interface.rs
@@ -11,7 +11,9 @@ use async_trait::async_trait;
 use hbb_common::config::{Config, LocalConfig, PeerConfig};
 use hbb_common::rendezvous_proto::ConnType;
 use hbb_common::tokio::{self, sync::mpsc};
-use rdev::{Event, EventType::*, Key as RdevKey, Keyboard as RdevKeyboard, KeyboardState};
+use rdev::{Event, EventType::*, Key as RdevKey, KeyboardState};
+#[cfg(not(any(target_os = "android", target_os = "ios")))]
+use rdev::Keyboard as RdevKeyboard;
 
 use hbb_common::{allow_err, message_proto::*};
 use hbb_common::{fs, get_version_number, log, Stream};
@@ -27,9 +29,12 @@ pub static KEYBOARD_HOOKED: AtomicBool = AtomicBool::new(true);
 #[cfg(windows)]
 static mut IS_ALT_GR: bool = false;
 
-#[cfg(not(any(target_os = "android", target_os = "ios")))]
 lazy_static::lazy_static! {
     static ref TO_RELEASE: Arc<Mutex<HashSet<RdevKey>>> = Arc::new(Mutex::new(HashSet::<RdevKey>::new()));
+}
+
+#[cfg(not(any(target_os = "android", target_os = "ios")))]
+lazy_static::lazy_static! {
     static ref KEYBOARD: Arc<Mutex<RdevKeyboard>> = Arc::new(Mutex::new(RdevKeyboard::new().unwrap()));
 }
 
@@ -268,6 +273,7 @@ impl<T: InvokeUiSession> Session<T> {
 
     #[allow(dead_code)]
     fn convert_numpad_keys(&self, key: RdevKey) -> RdevKey {
+        #[cfg(not(any(target_os = "android", target_os = "ios")))]
         if get_key_state(enigo::Key::NumLock) {
             return key;
         }
@@ -315,10 +321,11 @@ impl<T: InvokeUiSession> Session<T> {
 
         key_event.set_chr(keycode);
         key_event.down = down_or_up;
-
+        #[cfg(not(any(target_os = "android", target_os = "ios")))]
         if get_key_state(enigo::Key::CapsLock) {
             key_event.modifiers.push(ControlKey::CapsLock.into());
         }
+        #[cfg(not(any(target_os = "android", target_os = "ios")))]
         if get_key_state(enigo::Key::NumLock) {
             key_event.modifiers.push(ControlKey::NumLock.into());
         }
@@ -326,6 +333,7 @@ impl<T: InvokeUiSession> Session<T> {
         self.send_key_event(key_event, KeyboardMode::Map);
     }
 
+    #[cfg(not(any(target_os = "android", target_os = "ios")))]
     fn translate_keyboard_mode(&self, down_or_up: bool, key: RdevKey, evt: Event) {
         // translate mode(2): locally generated characters are send to the peer.
 
@@ -407,10 +415,11 @@ impl<T: InvokeUiSession> Session<T> {
         {
             key_event.modifiers.push(ControlKey::Meta.into());
         }
-
+        #[cfg(not(any(target_os = "android", target_os = "ios")))]
         if get_key_state(enigo::Key::CapsLock) {
             key_event.modifiers.push(ControlKey::CapsLock.into());
         }
+        #[cfg(not(any(target_os = "android", target_os = "ios")))]
         if self.peer_platform() != "Mac OS" {
             if get_key_state(enigo::Key::NumLock) {
                 key_event.modifiers.push(ControlKey::NumLock.into());
@@ -418,6 +427,7 @@ impl<T: InvokeUiSession> Session<T> {
         }
     }
 
+    #[cfg(not(any(target_os = "android", target_os = "ios")))]
     fn legacy_keyboard_mode(&self, down_or_up: bool, key: RdevKey, evt: Event) {
         // legacy mode(0): Generate characters locally, look for keycode on other side.
         let peer = self.peer_platform();
@@ -648,11 +658,18 @@ impl<T: InvokeUiSession> Session<T> {
                 }
                 self.map_keyboard_mode(down_or_up, key, Some(evt));
             }
-            KeyboardMode::Legacy => self.legacy_keyboard_mode(down_or_up, key, evt),
+            KeyboardMode::Legacy => {
+                #[cfg(not(any(target_os = "android", target_os = "ios")))]
+                self.legacy_keyboard_mode(down_or_up, key, evt)
+            },
             KeyboardMode::Translate => {
+                #[cfg(not(any(target_os = "android", target_os = "ios")))]
                 self.translate_keyboard_mode(down_or_up, key, evt);
             }
-            _ => self.legacy_keyboard_mode(down_or_up, key, evt),
+            _ => {
+                #[cfg(not(any(target_os = "android", target_os = "ios")))]
+                self.legacy_keyboard_mode(down_or_up, key, evt)
+            },
         }
     }
 
@@ -742,7 +759,6 @@ impl<T: InvokeUiSession> Session<T> {
         let keycode: u32 = keycode as u32;
         let scancode: u32 = scancode as u32;
 
-        #[cfg(not(target_os = "windows"))]
         let key = rdev::key_from_scancode(scancode) as RdevKey;
         // Windows requires special handling
         #[cfg(target_os = "windows")]