diff --git a/lib/data/store/setting.dart b/lib/data/store/setting.dart
index 81f65c59..4eb03ffa 100644
--- a/lib/data/store/setting.dart
+++ b/lib/data/store/setting.dart
@@ -1,3 +1,5 @@
+import 'dart:convert';
+
 import 'package:fl_lib/fl_lib.dart';
 import 'package:server_box/data/model/app/menu/server_func.dart';
 import 'package:server_box/data/model/app/server_detail_card.dart';
@@ -223,9 +225,14 @@ class SettingStore extends HiveStore {
 
   late final betaTest = propertyDefault('betaTest', false);
 
-  /// If it's empty, skip change window size.
-  /// Format: {width}x{height}
-  late final windowSize = propertyDefault('windowSize', '');
+  /// For desktop only.
+  /// Record the position and size of the window.
+  late final windowState = property<WindowState>(
+    'windowState',
+    fromStr: (jsonStr) =>
+        WindowState.fromJson(jsonDecode(jsonStr) as Map<String, dynamic>),
+    toStr: (state) => state == null ? null : jsonEncode(state.toJson()),
+  );
 
   late final introVer = propertyDefault('introVer', 0);
 
diff --git a/lib/main.dart b/lib/main.dart
index 5cd2e146..d300573d 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -53,15 +53,7 @@ Future<void> _initApp() async {
   await Paths.init(BuildData.name, bakName: 'srvbox_bak.json');
   await _initData();
   _setupDebug();
-
-  final windowSize = Stores.setting.windowSize;
-  final hideTitleBar = Stores.setting.hideTitleBar.fetch();
-  await SystemUIs.initDesktopWindow(
-    hideTitleBar: hideTitleBar,
-    size: windowSize.fetch().toSize(),
-    listener: WindowSizeListener(windowSize),
-  );
-
+  _initWindow();
   FontUtils.loadFrom(Stores.setting.fontPath.fetch());
 
   _doPlatformRelated();
@@ -130,3 +122,16 @@ Future<void> _doVersionRelated() async {
     Stores.setting.lastVer.put(newVer);
   }
 }
+
+Future<void> _initWindow() async {
+  if (!isDesktop) return;
+  final windowStateProp = Stores.setting.windowState;
+  final windowState = windowStateProp.fetch();
+  final hideTitleBar = Stores.setting.hideTitleBar.fetch();
+  await SystemUIs.initDesktopWindow(
+    hideTitleBar: hideTitleBar,
+    size: windowState?.size,
+    position: windowState?.position,
+    listener: WindowStateListener(windowStateProp),
+  );
+}
diff --git a/pubspec.yaml b/pubspec.yaml
index 14c65eca..5c6c1d58 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -63,7 +63,7 @@ dependencies:
   fl_lib:
     git:
       url: https://github.com/lppcg/fl_lib
-      ref: v1.0.236
+      ref: v1.0.243
   flutter_distributor: ^0.4.5
 
 dependency_overrides: