diff --git a/flutter/lib/main.dart b/flutter/lib/main.dart
index 52eacf5f5..3621a3bf8 100644
--- a/flutter/lib/main.dart
+++ b/flutter/lib/main.dart
@@ -16,6 +16,7 @@ import 'package:get/get.dart';
 import 'package:provider/provider.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 import 'package:window_manager/window_manager.dart';
+import 'package:bot_toast/bot_toast.dart';
 
 // import 'package:window_manager/window_manager.dart';
 
@@ -53,15 +54,27 @@ Future<void> main(List<String> args) async {
     switch (wType) {
       case WindowType.RemoteDesktop:
         desktopType = DesktopType.remote;
-        runRemoteScreen(argument);
+        runMultiWindow(
+          argument,
+          kAppTypeDesktopRemote,
+          'RustDesk - Remote Desktop',
+        );
         break;
       case WindowType.FileTransfer:
         desktopType = DesktopType.fileTransfer;
-        runFileTransferScreen(argument);
+        runMultiWindow(
+          argument,
+          kAppTypeDesktopFileTransfer,
+          'RustDesk - File Transfer',
+        );
         break;
       case WindowType.PortForward:
         desktopType = DesktopType.portForward;
-        runPortForwardScreen(argument);
+        runMultiWindow(
+          argument,
+          kAppTypeDesktopPortForward,
+          'RustDesk - Port Forward',
+        );
         break;
       default:
         break;
@@ -120,84 +133,18 @@ void runMobileApp() async {
   runApp(App());
 }
 
-void runRemoteScreen(Map<String, dynamic> argument) async {
-  await initEnv(kAppTypeDesktopRemote);
-  runApp(RefreshWrapper(
-    builder: (context) => GetMaterialApp(
-      navigatorKey: globalKey,
-      debugShowCheckedModeBanner: false,
-      title: 'RustDesk - Remote Desktop',
-      theme: MyTheme.lightTheme,
-      darkTheme: MyTheme.darkTheme,
-      themeMode: MyTheme.currentThemeMode(),
-      home: DesktopRemoteScreen(
-        params: argument,
-      ),
-      localizationsDelegates: const [
-        GlobalMaterialLocalizations.delegate,
-        GlobalWidgetsLocalizations.delegate,
-        GlobalCupertinoLocalizations.delegate,
-      ],
-      supportedLocales: supportedLocales,
-      navigatorObservers: const [
-        // FirebaseAnalyticsObserver(analytics: analytics),
-      ],
-      builder: _keepScaleBuilder(),
+void runMultiWindow(
+  Map<String, dynamic> argument,
+  String appType,
+  String title,
+) async {
+  await initEnv(appType);
+  _runApp(
+    title,
+    DesktopRemoteScreen(
+      params: argument,
     ),
-  ));
-}
-
-void runFileTransferScreen(Map<String, dynamic> argument) async {
-  await initEnv(kAppTypeDesktopFileTransfer);
-  runApp(
-    RefreshWrapper(
-      builder: (context) => GetMaterialApp(
-        navigatorKey: globalKey,
-        debugShowCheckedModeBanner: false,
-        title: 'RustDesk - File Transfer',
-        theme: MyTheme.lightTheme,
-        darkTheme: MyTheme.darkTheme,
-        themeMode: MyTheme.currentThemeMode(),
-        home: DesktopFileTransferScreen(params: argument),
-        localizationsDelegates: const [
-          GlobalMaterialLocalizations.delegate,
-          GlobalWidgetsLocalizations.delegate,
-          GlobalCupertinoLocalizations.delegate,
-        ],
-        supportedLocales: supportedLocales,
-        navigatorObservers: const [
-          // FirebaseAnalyticsObserver(analytics: analytics),
-        ],
-        builder: _keepScaleBuilder(),
-      ),
-    ),
-  );
-}
-
-void runPortForwardScreen(Map<String, dynamic> argument) async {
-  await initEnv(kAppTypeDesktopPortForward);
-  runApp(
-    RefreshWrapper(builder: (context) {
-      return GetMaterialApp(
-        navigatorKey: globalKey,
-        debugShowCheckedModeBanner: false,
-        title: 'RustDesk - Port Forward',
-        theme: MyTheme.lightTheme,
-        darkTheme: MyTheme.darkTheme,
-        themeMode: MyTheme.currentThemeMode(),
-        home: DesktopPortForwardScreen(params: argument),
-        localizationsDelegates: const [
-          GlobalMaterialLocalizations.delegate,
-          GlobalWidgetsLocalizations.delegate,
-          GlobalCupertinoLocalizations.delegate,
-        ],
-        supportedLocales: supportedLocales,
-        navigatorObservers: const [
-          // FirebaseAnalyticsObserver(analytics: analytics),
-        ],
-        builder: _keepScaleBuilder(),
-      );
-    }),
+    MyTheme.currentThemeMode(),
   );
 }
 
@@ -206,21 +153,11 @@ void runConnectionManagerScreen() async {
   // initialize window
   WindowOptions windowOptions =
       getHiddenTitleBarWindowOptions(size: kConnectionManagerWindowSize);
-  runApp(RefreshWrapper(builder: (context) {
-    return GetMaterialApp(
-        debugShowCheckedModeBanner: false,
-        theme: MyTheme.lightTheme,
-        darkTheme: MyTheme.darkTheme,
-        themeMode: MyTheme.currentThemeMode(),
-        localizationsDelegates: const [
-          GlobalMaterialLocalizations.delegate,
-          GlobalWidgetsLocalizations.delegate,
-          GlobalCupertinoLocalizations.delegate,
-        ],
-        supportedLocales: supportedLocales,
-        home: const DesktopServerPage(),
-        builder: _keepScaleBuilder());
-  }));
+  _runApp(
+    '',
+    const DesktopServerPage(),
+    MyTheme.currentThemeMode(),
+  );
   windowManager.waitUntilReadyToShow(windowOptions, () async {
     await windowManager.show();
     // ensure initial window size to be changed
@@ -235,23 +172,44 @@ void runConnectionManagerScreen() async {
   });
 }
 
+void _runApp(
+  String title,
+  Widget home,
+  ThemeMode themeMode,
+) {
+  final botToastBuilder = BotToastInit();
+  runApp(RefreshWrapper(
+    builder: (context) => GetMaterialApp(
+      navigatorKey: globalKey,
+      debugShowCheckedModeBanner: false,
+      title: title,
+      theme: MyTheme.lightTheme,
+      darkTheme: MyTheme.darkTheme,
+      themeMode: themeMode,
+      home: home,
+      localizationsDelegates: const [
+        GlobalMaterialLocalizations.delegate,
+        GlobalWidgetsLocalizations.delegate,
+        GlobalCupertinoLocalizations.delegate,
+      ],
+      supportedLocales: supportedLocales,
+      navigatorObservers: [
+        // FirebaseAnalyticsObserver(analytics: analytics),
+        BotToastNavigatorObserver(),
+      ],
+      builder: (context, child) {
+        child = _keepScaleBuilder(context, child);
+        child = botToastBuilder(context, child);
+        return child;
+      },
+    ),
+  ));
+}
+
 void runInstallPage() async {
   await windowManager.ensureInitialized();
   await initEnv(kAppTypeMain);
-  runApp(RefreshWrapper(
-    builder: (context) => GetMaterialApp(
-        debugShowCheckedModeBanner: false,
-        theme: MyTheme.lightTheme,
-        themeMode: ThemeMode.light,
-        localizationsDelegates: const [
-          GlobalMaterialLocalizations.delegate,
-          GlobalWidgetsLocalizations.delegate,
-          GlobalCupertinoLocalizations.delegate,
-        ],
-        supportedLocales: supportedLocales,
-        home: const InstallPage(),
-        builder: _keepScaleBuilder()),
-  ));
+  _runApp('', const InstallPage(), ThemeMode.light);
   windowManager.waitUntilReadyToShow(
       WindowOptions(size: Size(800, 600), center: true), () async {
     windowManager.show();
@@ -303,6 +261,7 @@ class _AppState extends State<App> {
   @override
   Widget build(BuildContext context) {
     // final analytics = FirebaseAnalytics.instance;
+    final botToastBuilder = BotToastInit();
     return RefreshWrapper(builder: (context) {
       return MultiProvider(
         providers: [
@@ -325,15 +284,16 @@ class _AppState extends State<App> {
               : !isAndroid
                   ? WebHomePage()
                   : HomePage(),
-          navigatorObservers: const [
-            // FirebaseAnalyticsObserver(analytics: analytics),
-          ],
           localizationsDelegates: const [
             GlobalMaterialLocalizations.delegate,
             GlobalWidgetsLocalizations.delegate,
             GlobalCupertinoLocalizations.delegate,
           ],
           supportedLocales: supportedLocales,
+          navigatorObservers: [
+            // FirebaseAnalyticsObserver(analytics: analytics),
+            BotToastNavigatorObserver(),
+          ],
           builder: isAndroid
               ? (context, child) => AccessibilityListener(
                     child: MediaQuery(
@@ -343,22 +303,24 @@ class _AppState extends State<App> {
                       child: child ?? Container(),
                     ),
                   )
-              : _keepScaleBuilder(),
+              : (context, child) {
+                  child = _keepScaleBuilder(context, child);
+                  child = botToastBuilder(context, child);
+                  return child;
+                },
         ),
       );
     });
   }
 }
 
-_keepScaleBuilder() {
-  return (BuildContext context, Widget? child) {
-    return MediaQuery(
-      data: MediaQuery.of(context).copyWith(
-        textScaleFactor: 1.0,
-      ),
-      child: child ?? Container(),
-    );
-  };
+Widget _keepScaleBuilder(BuildContext context, Widget? child) {
+  return MediaQuery(
+    data: MediaQuery.of(context).copyWith(
+      textScaleFactor: 1.0,
+    ),
+    child: child ?? Container(),
+  );
 }
 
 _registerEventHandler() {
diff --git a/flutter/lib/models/input_model.dart b/flutter/lib/models/input_model.dart
index 2469ee0d9..280c72e79 100644
--- a/flutter/lib/models/input_model.dart
+++ b/flutter/lib/models/input_model.dart
@@ -1,5 +1,6 @@
 import 'dart:convert';
 import 'dart:math';
+import 'dart:ui' as ui;
 
 import 'package:flutter/gestures.dart';
 import 'package:flutter/services.dart';
@@ -11,7 +12,6 @@ import '../../models/platform_model.dart';
 import '../common.dart';
 import '../consts.dart';
 import './state_model.dart';
-import 'dart:ui' as ui;
 
 /// Mouse button enum.
 enum MouseButtons { left, right, wheel }
diff --git a/flutter/pubspec.yaml b/flutter/pubspec.yaml
index 43eba9976..7dfb53538 100644
--- a/flutter/pubspec.yaml
+++ b/flutter/pubspec.yaml
@@ -102,6 +102,7 @@ dependencies:
             ref: 5be5113d59c753989dbf1106241379e3fd4c9b18
     path: ^1.8.1
     auto_size_text: ^3.0.0
+    bot_toast: ^4.0.3
 
 dev_dependencies:
     icons_launcher: ^2.0.4