diff --git a/flutter/lib/consts.dart b/flutter/lib/consts.dart
index e2a3c6f0b..827fd3b3f 100644
--- a/flutter/lib/consts.dart
+++ b/flutter/lib/consts.dart
@@ -31,6 +31,7 @@ const String kWindowEventShow = "show";
 const String kWindowConnect = "connect";
 
 const String kUniLinksPrefix = "rustdesk://";
+const String kUrlActionClose = "close";
 
 const String kTabLabelHomePage = "Home";
 const String kTabLabelSettingPage = "Settings";
diff --git a/flutter/lib/models/model.dart b/flutter/lib/models/model.dart
index 4fe89d3dc..5348090f4 100644
--- a/flutter/lib/models/model.dart
+++ b/flutter/lib/models/model.dart
@@ -20,11 +20,13 @@ import 'package:flutter_hbb/plugin/event.dart';
 import 'package:flutter_hbb/plugin/desc.dart';
 import 'package:flutter_hbb/plugin/widget.dart';
 import 'package:flutter_hbb/common/shared_state.dart';
+import 'package:flutter_hbb/utils/multi_window_manager.dart';
 import 'package:tuple/tuple.dart';
 import 'package:image/image.dart' as img2;
 import 'package:flutter_custom_cursor/cursor_manager.dart';
 import 'package:flutter_svg/flutter_svg.dart';
 import 'package:get/get.dart';
+import 'package:window_manager/window_manager.dart';
 
 import '../common.dart';
 import '../utils/image.dart' as img;
@@ -210,13 +212,7 @@ class FfiModel with ChangeNotifier {
       } else if (name == 'portable_service_running') {
         parent.target?.elevationModel.onPortableServiceRunning(evt);
       } else if (name == 'on_url_scheme_received') {
-        final url = evt['url'].toString();
-        // If we invoke uri with blank path, we just bring the main window to the top.
-        if (url.isEmpty) {
-          window_on_top(null);
-        } else {
-          parseRustdeskUri(url);
-        }
+        onUrlSchemeReceived(evt);
       } else if (name == 'on_voice_call_waiting') {
         // Waiting for the response from the peer.
         parent.target?.chatModel.onVoiceCallWaiting();
@@ -249,6 +245,30 @@ class FfiModel with ChangeNotifier {
     };
   }
 
+  onUrlSchemeReceived(Map<String, dynamic> evt) {
+    final url = evt['url'].toString().trim();
+    // If we invoke uri with blank path, we just bring the main window to the top.
+    if (url.isEmpty) {
+      window_on_top(null);
+    } else if (url.startsWith(kUniLinksPrefix)) {
+      parseRustdeskUri(url);
+    } else {
+      // action
+      switch (url) {
+        case kUrlActionClose:
+          debugPrint("closing all instances");
+          Future.microtask(() async {
+            await rustDeskWinManager.closeAllSubWindows();
+            windowManager.close();
+          });
+          break;
+        default:
+          debugPrint("Unknown url received: $url");
+          break;
+      }
+    }
+  }
+
   /// Bind the event listener to receive events from the Rust core.
   updateEventListener(String peerId) {
     platformFFI.setEventCallback(startEventListener(peerId));
diff --git a/flutter/lib/utils/multi_window_manager.dart b/flutter/lib/utils/multi_window_manager.dart
index 1aec57680..ccd976fa6 100644
--- a/flutter/lib/utils/multi_window_manager.dart
+++ b/flutter/lib/utils/multi_window_manager.dart
@@ -218,6 +218,8 @@ class RustDeskMultiWindowManager {
         }
         await WindowController.fromWindowId(wId).setPreventClose(false);
         await WindowController.fromWindowId(wId).close();
+        // unregister the sub window in the main window.
+        unregisterActiveWindow(wId);
       } catch (e) {
         debugPrint("$e");
         return;
diff --git a/src/ipc.rs b/src/ipc.rs
index a2194c337..34567b77a 100644
--- a/src/ipc.rs
+++ b/src/ipc.rs
@@ -36,6 +36,8 @@ pub enum PrivacyModeState {
     OffByPeer,
     OffUnknown,
 }
+// IPC actions here.
+pub const IPC_ACTION_CLOSE: &str = "close";
 
 #[derive(Debug, Serialize, Deserialize, Clone)]
 #[serde(tag = "t", content = "c")]
@@ -871,6 +873,14 @@ pub async fn send_url_scheme(url: String) -> ResultType<()> {
     Ok(())
 }
 
+// Emit `close` events to ipc.
+pub fn close_all_instances() -> ResultType<bool> {
+    match crate::ipc::send_url_scheme(IPC_ACTION_CLOSE.to_owned()) {
+        Ok(_) => Ok(true),
+        Err(err) => Err(err),
+    }
+}
+
 #[cfg(test)]
 mod test {
     use super::*;
diff --git a/src/platform/macos.rs b/src/platform/macos.rs
index 251211c29..954d858bd 100644
--- a/src/platform/macos.rs
+++ b/src/platform/macos.rs
@@ -211,6 +211,7 @@ pub fn uninstall(show_new_window: bool) -> bool {
                 );
                 if uninstalled {
                     crate::ipc::set_option("stop-service", "Y");
+                    let _ = crate::ipc::close_all_instances();
                     // leave ipc a little time
                     std::thread::sleep(std::time::Duration::from_millis(300));
                     std::process::Command::new("launchctl")