diff --git a/lib/core/utils/window_size_listener.dart b/lib/core/utils/window_size_listener.dart
deleted file mode 100644
index 67270f760..000000000
--- a/lib/core/utils/window_size_listener.dart
+++ /dev/null
@@ -1,64 +0,0 @@
-import 'package:fl_lib/fl_lib.dart';
-import 'package:server_box/data/res/store.dart';
-import 'package:window_manager/window_manager.dart';
-
-abstract final class WindowSizeListener {
-  static final _WindowSizeListener instance = _WindowSizeListener();
-}
-
-final class _WindowSizeListener implements WindowListener {
-  @override
-  void onWindowBlur() {}
-
-  @override
-  void onWindowClose() {}
-
-  @override
-  void onWindowDocked() {}
-
-  @override
-  void onWindowEnterFullScreen() {}
-
-  @override
-  void onWindowEvent(String eventName) {}
-
-  @override
-  void onWindowFocus() {}
-
-  @override
-  void onWindowLeaveFullScreen() {}
-
-  @override
-  void onWindowMaximize() {}
-
-  @override
-  void onWindowMinimize() {}
-
-  @override
-  void onWindowMove() {}
-
-  @override
-  void onWindowMoved() {}
-
-  @override
-  void onWindowResize() {
-    final current = Stores.setting.windowSize.fetch();
-    if (current.isEmpty) return;
-
-    windowManager.getSize().then((size) {
-      Stores.setting.windowSize.put(size.toIntStr());
-    });
-  }
-
-  @override
-  void onWindowResized() {}
-
-  @override
-  void onWindowRestore() {}
-
-  @override
-  void onWindowUndocked() {}
-
-  @override
-  void onWindowUnmaximize() {}
-}
diff --git a/lib/main.dart b/lib/main.dart
index 683e36e89..8cc5d0639 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -9,7 +9,6 @@ import 'package:flutter_displaymode/flutter_displaymode.dart';
 import 'package:hive_flutter/hive_flutter.dart';
 import 'package:logging/logging.dart';
 import 'package:provider/provider.dart';
-import 'package:server_box/core/utils/window_size_listener.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 import 'package:server_box/app.dart';
 import 'package:server_box/core/utils/sync/icloud.dart';
@@ -69,12 +68,12 @@ Future<void> _initApp() async {
   await _initData();
   _setupDebug();
 
-  final windowSize = Stores.setting.windowSize.fetch().toSize();
+  final windowSize = Stores.setting.windowSize;
   final hideTitleBar = Stores.setting.hideTitleBar.fetch();
   SystemUIs.initDesktopWindow(
     hideTitleBar: hideTitleBar,
-    size: windowSize,
-    listener: WindowSizeListener.instance,
+    size: windowSize.fetch().toSize(),
+    listener: WindowSizeListener(windowSize),
   );
   FontUtils.loadFrom(Stores.setting.fontPath.fetch());
 
diff --git a/pubspec.lock b/pubspec.lock
index e680ff994..a6f936ad8 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -385,8 +385,8 @@ packages:
     dependency: "direct main"
     description:
       path: "."
-      ref: "v1.0.49"
-      resolved-ref: "85ae5cfeba1c8a959e0bd83b7e1eff5edc572ab9"
+      ref: "v1.0.50"
+      resolved-ref: fc4e847cc0513157b6ac77e9e82ab57edbdc9482
       url: "https://github.com/lppcg/fl_lib"
     source: git
     version: "0.0.1"
diff --git a/pubspec.yaml b/pubspec.yaml
index 8b1bb7059..bf4eaf4f8 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -58,7 +58,7 @@ dependencies:
   fl_lib:
     git:
       url: https://github.com/lppcg/fl_lib
-      ref: v1.0.49
+      ref: v1.0.50
 
 dependency_overrides:
 #   dartssh2: