diff --git a/flutter/lib/main.dart b/flutter/lib/main.dart
index 7968bbad7..816870984 100644
--- a/flutter/lib/main.dart
+++ b/flutter/lib/main.dart
@@ -24,9 +24,9 @@ import 'models/platform_model.dart';
 
 int? windowId;
 
-Future<Null> main(List<String> args) async {
+Future<void> main(List<String> args) async {
   WidgetsFlutterBinding.ensureInitialized();
-  print("launch args: $args");
+  debugPrint("launch args: $args");
 
   if (!isDesktop) {
     runMobileApp();
@@ -37,7 +37,7 @@ Future<Null> main(List<String> args) async {
     windowId = int.parse(args[1]);
     WindowController.fromWindowId(windowId!).showTitleBar(false);
     final argument = args[2].isEmpty
-        ? Map<String, dynamic>()
+        ? <String, dynamic>{}
         : jsonDecode(args[2]) as Map<String, dynamic>;
     int type = argument['type'] ?? -1;
     argument['windowId'] = windowId;
@@ -60,7 +60,7 @@ Future<Null> main(List<String> args) async {
         break;
     }
   } else if (args.isNotEmpty && args.first == '--cm') {
-    print("--cm started");
+    debugPrint("--cm started");
     desktopType = DesktopType.cm;
     await windowManager.ensureInitialized();
     runConnectionManagerScreen();
@@ -123,7 +123,7 @@ void runRemoteScreen(Map<String, dynamic> argument) async {
     home: DesktopRemoteScreen(
       params: argument,
     ),
-    navigatorObservers: [
+    navigatorObservers: const [
       // FirebaseAnalyticsObserver(analytics: analytics),
     ],
     builder: _keepScaleBuilder(),
@@ -141,7 +141,7 @@ void runFileTransferScreen(Map<String, dynamic> argument) async {
       darkTheme: MyTheme.darkTheme,
       themeMode: MyTheme.initialThemeMode(),
       home: DesktopFileTransferScreen(params: argument),
-      navigatorObservers: [
+      navigatorObservers: const [
         // FirebaseAnalyticsObserver(analytics: analytics),
       ],
       builder: _keepScaleBuilder(),
@@ -160,7 +160,7 @@ void runPortForwardScreen(Map<String, dynamic> argument) async {
       darkTheme: MyTheme.darkTheme,
       themeMode: MyTheme.initialThemeMode(),
       home: DesktopPortForwardScreen(params: argument),
-      navigatorObservers: [
+      navigatorObservers: const [
         // FirebaseAnalyticsObserver(analytics: analytics),
       ],
       builder: _keepScaleBuilder(),
@@ -186,7 +186,7 @@ void runConnectionManagerScreen() async {
       theme: MyTheme.lightTheme,
       darkTheme: MyTheme.darkTheme,
       themeMode: MyTheme.initialThemeMode(),
-      home: DesktopServerPage(),
+      home: const DesktopServerPage(),
       builder: _keepScaleBuilder()));
 }
 
@@ -246,7 +246,7 @@ class _AppState extends State<App> {
             : !isAndroid
                 ? WebHomePage()
                 : HomePage(),
-        navigatorObservers: [
+        navigatorObservers: const [
           // FirebaseAnalyticsObserver(analytics: analytics),
         ],
         builder: isAndroid
diff --git a/flutter/pubspec.lock b/flutter/pubspec.lock
index a871bb928..b012f0435 100644
--- a/flutter/pubspec.lock
+++ b/flutter/pubspec.lock
@@ -57,13 +57,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "6.0.1"
-  boolean_selector:
-    dependency: transitive
-    description:
-      name: boolean_selector
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.1.0"
   build:
     dependency: transitive
     description:
@@ -126,28 +119,28 @@ packages:
       name: cached_network_image
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.2.2"
+    version: "3.2.1"
   cached_network_image_platform_interface:
     dependency: transitive
     description:
       name: cached_network_image_platform_interface
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.0"
+    version: "1.0.0"
   cached_network_image_web:
     dependency: transitive
     description:
       name: cached_network_image_web
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.2"
+    version: "1.0.1"
   characters:
     dependency: transitive
     description:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.1"
+    version: "1.2.0"
   charcode:
     dependency: transitive
     description:
@@ -318,13 +311,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.0.3"
-  fake_async:
-    dependency: transitive
-    description:
-      name: fake_async
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.3.1"
   ffi:
     dependency: "direct main"
     description:
@@ -381,13 +367,6 @@ packages:
       url: "https://github.com/Kingtous/rustdesk_flutter_custom_cursor"
     source: git
     version: "0.0.1"
-  flutter_launcher_icons:
-    dependency: "direct dev"
-    description:
-      name: flutter_launcher_icons
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.9.3"
   flutter_lints:
     dependency: "direct dev"
     description:
@@ -418,11 +397,6 @@ packages:
       url: "https://github.com/SoLongAndThanksForAllThePizza/flutter_rust_bridge"
     source: git
     version: "1.32.0"
-  flutter_test:
-    dependency: "direct dev"
-    description: flutter
-    source: sdk
-    version: "0.0.0"
   flutter_web_plugins:
     dependency: transitive
     description: flutter
@@ -498,6 +472,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "4.0.1"
+  icons_launcher:
+    dependency: "direct dev"
+    description:
+      name: icons_launcher
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.5"
   image:
     dependency: "direct main"
     description:
@@ -595,7 +576,7 @@ packages:
       name: material_color_utilities
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.5"
+    version: "0.1.4"
   menu_base:
     dependency: transitive
     description:
@@ -609,7 +590,7 @@ packages:
       name: meta
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.0"
+    version: "1.7.0"
   mime:
     dependency: transitive
     description:
@@ -763,7 +744,7 @@ packages:
       name: plugin_platform_interface
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.2"
+    version: "2.1.3"
   pool:
     dependency: transitive
     description:
@@ -938,7 +919,7 @@ packages:
       name: source_span
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.9.0"
+    version: "1.9.1"
   sqflite:
     dependency: transitive
     description:
@@ -995,13 +976,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.2.1"
-  test_api:
-    dependency: transitive
-    description:
-      name: test_api
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.4.12"
   timing:
     dependency: transitive
     description:
@@ -1039,6 +1013,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.3.1"
+  universal_io:
+    dependency: transitive
+    description:
+      name: universal_io
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.4"
   url_launcher:
     dependency: "direct main"
     description:
@@ -1245,5 +1226,5 @@ packages:
     source: hosted
     version: "0.1.0"
 sdks:
-  dart: ">=2.18.0 <3.0.0"
-  flutter: ">=3.3.0"
+  dart: ">=2.17.1 <3.0.0"
+  flutter: ">=3.0.0"
diff --git a/flutter/pubspec.yaml b/flutter/pubspec.yaml
index a05cd779a..1cb72677c 100644
--- a/flutter/pubspec.yaml
+++ b/flutter/pubspec.yaml
@@ -81,8 +81,8 @@ dependencies:
 
 dev_dependencies:
     icons_launcher: ^2.0.5
-    flutter_test:
-        sdk: flutter
+    #flutter_test:
+        #sdk: flutter
     build_runner: ^2.1.11
     freezed: ^2.0.3
     flutter_lints: ^2.0.0