diff --git a/flutter/android/app/build.gradle b/flutter/android/app/build.gradle
index 326689e5e..f4dc69e41 100644
--- a/flutter/android/app/build.gradle
+++ b/flutter/android/app/build.gradle
@@ -46,7 +46,7 @@ android {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
         applicationId "com.carriez.flutter_hbb"
         minSdkVersion 21
-        targetSdkVersion 31
+        targetSdkVersion 33
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
     }
diff --git a/flutter/lib/common/widgets/overlay.dart b/flutter/lib/common/widgets/overlay.dart
index f2f3b8fb0..b19034c68 100644
--- a/flutter/lib/common/widgets/overlay.dart
+++ b/flutter/lib/common/widgets/overlay.dart
@@ -48,6 +48,7 @@ class DraggableChatWindow extends StatelessWidget {
         position: position,
         width: width,
         height: height,
+        chatModel: chatModel,
         builder: (context, onPanUpdate) {
           final child = 
               Scaffold(
@@ -242,6 +243,7 @@ class Draggable extends StatefulWidget {
       this.position = Offset.zero,
       required this.width,
       required this.height,
+      this.chatModel,
       required this.builder})
       : super(key: key);
 
@@ -250,6 +252,7 @@ class Draggable extends StatefulWidget {
   final Offset position;
   final double width;
   final double height;
+  final ChatModel? chatModel;
   final Widget Function(BuildContext, GestureDragUpdateCallback) builder;
 
   @override
@@ -258,6 +261,7 @@ class Draggable extends StatefulWidget {
 
 class _DraggableState extends State<Draggable> {
   late Offset _position;
+  late ChatModel? _chatModel;
   bool _keyboardVisible = false;
   double _saveHeight = 0;
   double _lastBottomHeight = 0;
@@ -266,6 +270,7 @@ class _DraggableState extends State<Draggable> {
   void initState() {
     super.initState();
     _position = widget.position;
+    _chatModel = widget.chatModel;
   }
 
   void onPanUpdate(DragUpdateDetails d) {
@@ -292,6 +297,7 @@ class _DraggableState extends State<Draggable> {
     setState(() {
       _position = Offset(x, y);
     });
+    _chatModel?.setChatWindowPosition(_position);
   }
 
   checkScreenSize() {}
@@ -351,14 +357,14 @@ class IOSDraggable extends StatefulWidget {
   const IOSDraggable({
     Key? key,
     this.position = Offset.zero,
-    required this.chatModel, 
+    this.chatModel,
     required this.width,
     required this.height,
     required this.builder})
     : super(key: key);
 
   final Offset position;
-  final ChatModel chatModel;
+  final ChatModel? chatModel;
   final double width;
   final double height;
   final Widget Function(BuildContext) builder;
@@ -368,22 +374,58 @@ class IOSDraggable extends StatefulWidget {
 }
 
 class _IOSDraggableState extends State<IOSDraggable> {
-late Offset _position;
-late ChatModel _chatModel;
-late double _width;
-late double _height;
+  late Offset _position;
+  late ChatModel? _chatModel;
+  late double _width;
+  late double _height;
+  bool _keyboardVisible = false;
+  double _saveHeight = 0;
+  double _lastBottomHeight = 0;
 
-@override
-void initState() {
-  super.initState();
-  _position = widget.position;
-  _chatModel = widget.chatModel;
-  _width = widget.width;
-  _height = widget.height;
-}
+  @override
+  void initState() {
+    super.initState();
+    _position = widget.position;
+    _chatModel = widget.chatModel;
+    _width = widget.width;
+    _height = widget.height;
+  }
+
+  checkKeyboard() {
+    final bottomHeight = MediaQuery.of(context).viewInsets.bottom;
+    final currentVisible = bottomHeight != 0;
+
+    // save
+    if (!_keyboardVisible && currentVisible) {
+      _saveHeight = _position.dy;
+    }
+
+    // reset
+    if (_lastBottomHeight > 0 && bottomHeight == 0) {
+      setState(() {
+        _position = Offset(_position.dx, _saveHeight);
+      });
+    }
+
+    // onKeyboardVisible
+    if (_keyboardVisible && currentVisible) {
+      final sumHeight = bottomHeight + _height;
+      final contextHeight = MediaQuery.of(context).size.height;
+      if (sumHeight + _position.dy > contextHeight) {
+        final y = contextHeight - sumHeight;
+        setState(() {
+          _position = Offset(_position.dx, y);
+        });
+      }
+    }
+
+    _keyboardVisible = currentVisible;
+    _lastBottomHeight = bottomHeight;
+  }
 
 @override
   Widget build(BuildContext context) {
+    checkKeyboard();
     return Stack(
       children: [
         Positioned(
@@ -394,13 +436,15 @@ void initState() {
               setState(() {
                 _position += details.delta;
               });
+              _chatModel?.setChatWindowPosition(_position);
             },
             child: Material(
               child:
             Container(
               width: _width,
               height: _height,
-            child: widget.builder(context),
+              decoration: BoxDecoration(border: Border.all(color: MyTheme.border)),
+              child: widget.builder(context),
               ),
             ),
           ),
diff --git a/flutter/lib/models/chat_model.dart b/flutter/lib/models/chat_model.dart
index 5ab0a6929..37766e54a 100644
--- a/flutter/lib/models/chat_model.dart
+++ b/flutter/lib/models/chat_model.dart
@@ -72,6 +72,13 @@ class ChatModel with ChangeNotifier {
   RxInt mobileUnreadSum = 0.obs;
   MessageKey? latestReceivedKey;
 
+  Offset chatWindowPosition = Offset(20, 80);
+
+   void setChatWindowPosition(Offset position) {
+    chatWindowPosition = position;
+    notifyListeners();
+  }
+
   @override
   void dispose() {
     textController.dispose();
@@ -210,7 +217,7 @@ class ChatModel with ChangeNotifier {
             }
           },
           child: DraggableChatWindow(
-              position: chatInitPos ?? Offset(20, 80),
+              position: chatInitPos ?? chatWindowPosition,
               width: 250,
               height: 350,
               chatModel: this));
diff --git a/flutter/pubspec.lock b/flutter/pubspec.lock
index 960e28338..b6aca5429 100644
--- a/flutter/pubspec.lock
+++ b/flutter/pubspec.lock
@@ -300,11 +300,12 @@ packages:
   dash_chat_2:
     dependency: "direct main"
     description:
-      name: dash_chat_2
-      sha256: e9e08b2a030d340d60f7adbeb977d3d6481db1f172b51440bfa02488b92fa19c
-      url: "https://pub.dev"
-    source: hosted
-    version: "0.0.17"
+      path: "."
+      ref: HEAD
+      resolved-ref: bd6b5b41254e57c5bcece202ebfb234de63e6487
+      url: "https://github.com/rustdesk-org/Dash-Chat-2"
+    source: git
+    version: "0.0.18"
   debounce_throttle:
     dependency: "direct main"
     description:
@@ -1398,10 +1399,10 @@ packages:
     dependency: transitive
     description:
       name: video_player
-      sha256: "59f7f31c919c59cbedd37c617317045f5f650dc0eeb568b0b0de9a36472bdb28"
+      sha256: d3910a8cefc0de8a432a4411dcf85030e885d8fef3ddea291f162253a05dbf01
       url: "https://pub.dev"
     source: hosted
-    version: "2.5.1"
+    version: "2.7.1"
   video_player_android:
     dependency: transitive
     description:
@@ -1422,10 +1423,10 @@ packages:
     dependency: transitive
     description:
       name: video_player_platform_interface
-      sha256: "42bb75de5e9b79e1f20f1d95f688fac0f95beac4d89c6eb2cd421724d4432dae"
+      sha256: be72301bf2c0150ab35a8c34d66e5a99de525f6de1e8d27c0672b836fe48f73a
       url: "https://pub.dev"
     source: hosted
-    version: "6.0.1"
+    version: "6.2.1"
   video_player_web:
     dependency: transitive
     description:
diff --git a/flutter/pubspec.yaml b/flutter/pubspec.yaml
index 691f86066..ba90bef3c 100644
--- a/flutter/pubspec.yaml
+++ b/flutter/pubspec.yaml
@@ -39,7 +39,9 @@ dependencies:
   package_info_plus: ^3.1.2
   url_launcher: ^6.0.9
   toggle_switch: ^2.1.0
-  dash_chat_2: ^0.0.17
+  dash_chat_2: 
+    git:
+      url: https://github.com/rustdesk-org/Dash-Chat-2
   draggable_float_widget: ^0.0.2
   settings_ui: ^2.0.2
   flutter_breadcrumb: ^1.0.1
diff --git a/src/common.rs b/src/common.rs
index 36ca972b2..8477c9e62 100644
--- a/src/common.rs
+++ b/src/common.rs
@@ -779,12 +779,18 @@ pub fn get_sysinfo() -> serde_json::Value {
         os = format!("{os} - {}", system.os_version().unwrap_or_default());
     }
     let hostname = hostname(); // sys.hostname() return localhost on android in my test
-    serde_json::json!({
+    use serde_json::json;
+    let mut out = json!({
         "cpu": format!("{cpu}{num_cpus}/{num_pcpus} cores"),
         "memory": format!("{memory}GB"),
         "os": os,
         "hostname": hostname,
-    })
+    });
+    #[cfg(not(any(target_os = "android", target_os = "ios")))] 
+    {
+        out["username"] = json!(crate::platform::get_active_username());
+    }
+    out
 }
 
 #[inline]
diff --git a/src/lang/es.rs b/src/lang/es.rs
index 7bb24ac53..35d776f1a 100644
--- a/src/lang/es.rs
+++ b/src/lang/es.rs
@@ -538,8 +538,8 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("pull_ab_failed_tip", "No se ha podido refrescar el directorio"),
         ("push_ab_failed_tip", "No se ha podido sincronizar el directorio con el servidor"),
         ("synced_peer_readded_tip", "Los dispositivos presentes en sesiones recientes se sincronizarán con el directorio."),
-        ("Change Color", ""),
-        ("Primary Color", ""),
-        ("HSV Color", ""),
+        ("Change Color", "Cambiar Color"),
+        ("Primary Color", "Color Primario"),
+        ("HSV Color", "Color HSV"),
     ].iter().cloned().collect();
 }