diff --git a/flutter/lib/common.dart b/flutter/lib/common.dart
index a2623ff15..c058ec434 100644
--- a/flutter/lib/common.dart
+++ b/flutter/lib/common.dart
@@ -3,14 +3,11 @@ import 'dart:convert';
 import 'dart:ffi' hide Size;
 import 'dart:io';
 import 'dart:math';
-import 'dart:typed_data';
 
 import 'package:back_button_interceptor/back_button_interceptor.dart';
 import 'package:desktop_multi_window/desktop_multi_window.dart';
 import 'package:ffi/ffi.dart';
 import 'package:flutter/foundation.dart';
-import 'package:flutter_hbb/utils/platform_channel.dart';
-import 'package:win32/win32.dart' as win32;
 import 'package:flutter/gestures.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
@@ -19,14 +16,17 @@ import 'package:flutter_hbb/desktop/widgets/tabbar_widget.dart';
 import 'package:flutter_hbb/main.dart';
 import 'package:flutter_hbb/models/peer_model.dart';
 import 'package:flutter_hbb/utils/multi_window_manager.dart';
+import 'package:flutter_hbb/utils/platform_channel.dart';
+import 'package:flutter_svg/flutter_svg.dart';
 import 'package:get/get.dart';
 import 'package:uni_links/uni_links.dart';
 import 'package:uni_links_desktop/uni_links_desktop.dart';
-import 'package:window_manager/window_manager.dart';
-import 'package:flutter_svg/flutter_svg.dart';
-import 'package:window_size/window_size.dart' as window_size;
 import 'package:url_launcher/url_launcher.dart';
+import 'package:win32/win32.dart' as win32;
+import 'package:window_manager/window_manager.dart';
+import 'package:window_size/window_size.dart' as window_size;
 
+import '../consts.dart';
 import 'common/widgets/overlay.dart';
 import 'mobile/pages/file_manager_page.dart';
 import 'mobile/pages/remote_page.dart';
@@ -34,8 +34,6 @@ import 'models/input_model.dart';
 import 'models/model.dart';
 import 'models/platform_model.dart';
 
-import '../consts.dart';
-
 final globalKey = GlobalKey<NavigatorState>();
 final navigationBarKey = GlobalKey();
 
@@ -1275,9 +1273,11 @@ Future<bool> restoreWindowPosition(WindowType type, {int? windowId}) async {
 /// initUniLinks should only be used on macos/windows.
 /// we use dbus for linux currently.
 Future<void> initUniLinks() async {
-  if (!Platform.isWindows && !Platform.isMacOS) {
+  if (Platform.isLinux) {
     return;
   }
+  // Register uni links for Windows. The required info of url scheme is already
+  // declared in `Info.plist` for macOS.
   if (Platform.isWindows) {
     registerProtocol('rustdesk');
   }
@@ -1508,8 +1508,12 @@ Future<void> onActiveWindowChanged() async {
     } catch (err) {
       debugPrintStack(label: "$err");
     } finally {
+      debugPrint("Start closing RustDesk...");
       await windowManager.setPreventClose(false);
       await windowManager.close();
+      if (Platform.isMacOS) {
+        RdPlatformChannel.instance.terminate();
+      }
     }
   }
 }
diff --git a/flutter/lib/consts.dart b/flutter/lib/consts.dart
index e4081d9a5..f48b612a8 100644
--- a/flutter/lib/consts.dart
+++ b/flutter/lib/consts.dart
@@ -1,9 +1,10 @@
-import 'package:flutter/material.dart';
 import 'dart:io';
 
+import 'package:flutter/material.dart';
 import 'package:flutter_hbb/common.dart';
 
 const double kDesktopRemoteTabBarHeight = 28.0;
+const int kMainWindowId = 0;
 
 const String kPeerPlatformWindows = "Windows";
 const String kPeerPlatformLinux = "Linux";
diff --git a/flutter/lib/desktop/widgets/tabbar_widget.dart b/flutter/lib/desktop/widgets/tabbar_widget.dart
index 598b2cc4c..223076951 100644
--- a/flutter/lib/desktop/widgets/tabbar_widget.dart
+++ b/flutter/lib/desktop/widgets/tabbar_widget.dart
@@ -1,23 +1,23 @@
-import 'dart:io';
 import 'dart:async';
+import 'dart:io';
 import 'dart:math';
 import 'dart:ui' as ui;
 
+import 'package:bot_toast/bot_toast.dart';
 import 'package:desktop_multi_window/desktop_multi_window.dart';
 import 'package:flutter/gestures.dart';
 import 'package:flutter/material.dart' hide TabBarTheme;
 import 'package:flutter_hbb/common.dart';
+import 'package:flutter_hbb/common/shared_state.dart';
 import 'package:flutter_hbb/consts.dart';
 import 'package:flutter_hbb/main.dart';
-import 'package:flutter_hbb/common/shared_state.dart';
 import 'package:flutter_hbb/models/platform_model.dart';
 import 'package:flutter_hbb/models/state_model.dart';
+import 'package:flutter_svg/flutter_svg.dart';
 import 'package:get/get.dart';
 import 'package:get/get_rx/src/rx_workers/utils/debouncer.dart';
 import 'package:scroll_pos/scroll_pos.dart';
 import 'package:window_manager/window_manager.dart';
-import 'package:flutter_svg/flutter_svg.dart';
-import 'package:bot_toast/bot_toast.dart';
 
 import '../../utils/multi_window_manager.dart';
 
@@ -527,7 +527,9 @@ class WindowActionPanelState extends State<WindowActionPanel>
   void onWindowClose() async {
     // hide window on close
     if (widget.isMainWindow) {
-      await rustDeskWinManager.unregisterActiveWindow(0);
+      if (rustDeskWinManager.getActiveWindows().contains(kMainWindowId)) {
+        await rustDeskWinManager.unregisterActiveWindow(kMainWindowId);
+      }
       // `hide` must be placed after unregisterActiveWindow, because once all windows are hidden,
       // flutter closes the application on macOS. We should ensure the post-run logic has ran successfully.
       // e.g.: saving window position.
diff --git a/flutter/lib/main.dart b/flutter/lib/main.dart
index 5b1e0c37c..b41cc17df 100644
--- a/flutter/lib/main.dart
+++ b/flutter/lib/main.dart
@@ -1,22 +1,22 @@
 import 'dart:convert';
 import 'dart:io';
 
+import 'package:bot_toast/bot_toast.dart';
 import 'package:desktop_multi_window/desktop_multi_window.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter_hbb/models/state_model.dart';
 import 'package:flutter_hbb/desktop/pages/desktop_tab_page.dart';
-import 'package:flutter_hbb/desktop/pages/server_page.dart';
 import 'package:flutter_hbb/desktop/pages/install_page.dart';
+import 'package:flutter_hbb/desktop/pages/server_page.dart';
 import 'package:flutter_hbb/desktop/screen/desktop_file_transfer_screen.dart';
 import 'package:flutter_hbb/desktop/screen/desktop_port_forward_screen.dart';
 import 'package:flutter_hbb/desktop/screen/desktop_remote_screen.dart';
 import 'package:flutter_hbb/desktop/widgets/refresh_wrapper.dart';
+import 'package:flutter_hbb/models/state_model.dart';
 import 'package:flutter_hbb/utils/multi_window_manager.dart';
 import 'package:flutter_localizations/flutter_localizations.dart';
 import 'package:get/get.dart';
 import 'package:provider/provider.dart';
 import 'package:window_manager/window_manager.dart';
-import 'package:bot_toast/bot_toast.dart';
 
 // import 'package:window_manager/window_manager.dart';
 
@@ -139,8 +139,8 @@ void runMainApp(bool startService) async {
       rustDeskWinManager.registerActiveWindow(kWindowMainId);
     }
     windowManager.setOpacity(1);
+    windowManager.setTitle(getWindowName());
   });
-  windowManager.setTitle(getWindowName());
 }
 
 void runMobileApp() async {
diff --git a/flutter/lib/utils/multi_window_manager.dart b/flutter/lib/utils/multi_window_manager.dart
index 550e9ab08..3af189ef6 100644
--- a/flutter/lib/utils/multi_window_manager.dart
+++ b/flutter/lib/utils/multi_window_manager.dart
@@ -160,6 +160,24 @@ class RustDeskMultiWindowManager {
     return null;
   }
 
+  void clearWindowType(WindowType type) {
+    switch (type) {
+      case WindowType.Main:
+        return;
+      case WindowType.RemoteDesktop:
+        _remoteDesktopWindowId = null;
+        break;
+      case WindowType.FileTransfer:
+        _fileTransferWindowId = null;
+        break;
+      case WindowType.PortForward:
+        _portForwardWindowId = null;
+        break;
+      case WindowType.Unknown:
+        break;
+    }
+  }
+
   void setMethodHandler(
       Future<dynamic> Function(MethodCall call, int fromWindowId)? handler) {
     DesktopMultiWindow.setMethodHandler(handler);
@@ -186,8 +204,11 @@ class RustDeskMultiWindowManager {
         }
         await WindowController.fromWindowId(wId).setPreventClose(false);
         await WindowController.fromWindowId(wId).close();
-      } on Error {
+      } catch (e) {
+        debugPrint("$e");
         return;
+      } finally {
+        clearWindowType(type);
       }
     }
   }
diff --git a/flutter/lib/utils/platform_channel.dart b/flutter/lib/utils/platform_channel.dart
index 1a36fb7a5..7b60ef63c 100644
--- a/flutter/lib/utils/platform_channel.dart
+++ b/flutter/lib/utils/platform_channel.dart
@@ -31,4 +31,10 @@ class RdPlatformChannel {
     return _osxMethodChannel
         .invokeMethod("setWindowTheme", {"themeName": theme.name});
   }
+
+  /// Terminate .app manually.
+  Future<void> terminate() {
+    assert(Platform.isMacOS);
+    return _osxMethodChannel.invokeMethod("terminate");
+  }
 }
diff --git a/flutter/macos/Runner/AppDelegate.swift b/flutter/macos/Runner/AppDelegate.swift
index 5708e35cb..3498decd3 100644
--- a/flutter/macos/Runner/AppDelegate.swift
+++ b/flutter/macos/Runner/AppDelegate.swift
@@ -3,21 +3,22 @@ import FlutterMacOS
 
 @NSApplicationMain
 class AppDelegate: FlutterAppDelegate {
-    var lauched = false;
+    var launched = false;
   override func applicationShouldTerminateAfterLastWindowClosed(_ sender: NSApplication) -> Bool {
       dummy_method_to_enforce_bundling()
-    return true
+    // https://github.com/leanflutter/window_manager/issues/214
+    return false
   }
     
     override func applicationShouldOpenUntitledFile(_ sender: NSApplication) -> Bool {
-        if (lauched) {
+        if (launched) {
             handle_applicationShouldOpenUntitledFile();
         }
         return true
     }
     
     override func applicationDidFinishLaunching(_ aNotification: Notification) {
-        lauched = true;
+        launched = true;
         NSApplication.shared.activate(ignoringOtherApps: true);
     }
 }
diff --git a/flutter/macos/Runner/Info.plist b/flutter/macos/Runner/Info.plist
index d1077e0e4..c926019ab 100644
--- a/flutter/macos/Runner/Info.plist
+++ b/flutter/macos/Runner/Info.plist
@@ -23,8 +23,10 @@
 		<dict>
 			<key>CFBundleTypeRole</key>
 			<string>Editor</string>
-			<key>CFBundleURLName</key>
+			<key>CFBundleURLIconFile</key>
 			<string></string>
+			<key>CFBundleURLName</key>
+			<string>com.carriez.rustdesk</string>
 			<key>CFBundleURLSchemes</key>
 			<array>
 				<string>rustdesk</string>
@@ -35,13 +37,13 @@
 	<string>$(FLUTTER_BUILD_NUMBER)</string>
 	<key>LSMinimumSystemVersion</key>
 	<string>$(MACOSX_DEPLOYMENT_TARGET)</string>
+	<key>LSUIElement</key>
+	<string>1</string>
 	<key>NSHumanReadableCopyright</key>
 	<string>$(PRODUCT_COPYRIGHT)</string>
 	<key>NSMainNibFile</key>
 	<string>MainMenu</string>
 	<key>NSPrincipalClass</key>
-  <string>NSApplication</string>
-  <key>LSUIElement</key>
-  <string>1</string>
+	<string>NSApplication</string>
 </dict>
 </plist>
diff --git a/flutter/macos/Runner/MainFlutterWindow.swift b/flutter/macos/Runner/MainFlutterWindow.swift
index cea1e94bb..042840569 100644
--- a/flutter/macos/Runner/MainFlutterWindow.swift
+++ b/flutter/macos/Runner/MainFlutterWindow.swift
@@ -78,6 +78,9 @@ class MainFlutterWindow: NSWindow {
                     self.setWindowInterfaceMode(window: window,themeName: themeName ?? "light")
                     result(nil)
                     break;
+                case "terminate":
+                    NSApplication.shared.terminate(self)
+                    result(nil)
                 default:
                     result(FlutterMethodNotImplemented)
                 }