From 7a9ee6e9e21f5fdfa7a2dac9d5ce7a97a5a502d5 Mon Sep 17 00:00:00 2001
From: 2dust <31833384+2dust@users.noreply.github.com>
Date: Tue, 1 Jul 2025 19:39:27 +0800
Subject: [PATCH] Each window can remember its size

---
 v2rayN/ServiceLib/Handler/ConfigHandler.cs    | 31 +++++++++++
 v2rayN/ServiceLib/Models/ConfigItems.cs       | 13 +++--
 v2rayN/ServiceLib/Models/IPAPIInfo.cs         |  2 +-
 v2rayN/ServiceLib/Models/ProfileItem.cs       |  2 +-
 v2rayN/v2rayN.Desktop/Base/WindowBase.cs      | 52 +++++++++++++++++++
 .../Views/AddServer2Window.axaml.cs           |  4 +-
 .../Views/AddServerWindow.axaml.cs            |  4 +-
 .../Views/DNSSettingWindow.axaml.cs           |  4 +-
 .../Views/GlobalHotkeySettingWindow.axaml.cs  |  4 +-
 .../v2rayN.Desktop/Views/MainWindow.axaml.cs  | 20 ++++---
 .../Views/OptionSettingWindow.axaml.cs        |  4 +-
 .../Views/RoutingRuleDetailsWindow.axaml.cs   |  4 +-
 .../Views/RoutingRuleSettingWindow.axaml.cs   |  4 +-
 .../Views/RoutingSettingWindow.axaml.cs       |  4 +-
 .../Views/SubEditWindow.axaml.cs              |  4 +-
 .../Views/SubSettingWindow.axaml.cs           |  4 +-
 v2rayN/v2rayN/App.xaml                        |  2 +-
 v2rayN/v2rayN/Base/WindowBase.cs              | 42 +++++++++++++++
 v2rayN/v2rayN/Views/AddServer2Window.xaml     |  5 +-
 v2rayN/v2rayN/Views/AddServerWindow.xaml      |  5 +-
 v2rayN/v2rayN/Views/DNSSettingWindow.xaml     |  5 +-
 .../Views/GlobalHotkeySettingWindow.xaml      |  5 +-
 v2rayN/v2rayN/Views/MainWindow.xaml           |  9 ++--
 v2rayN/v2rayN/Views/MainWindow.xaml.cs        | 22 +++-----
 v2rayN/v2rayN/Views/OptionSettingWindow.xaml  |  7 ++-
 .../Views/RoutingRuleDetailsWindow.xaml       |  5 +-
 .../Views/RoutingRuleSettingWindow.xaml       |  5 +-
 v2rayN/v2rayN/Views/RoutingSettingWindow.xaml |  5 +-
 v2rayN/v2rayN/Views/StatusBarView.xaml        |  6 +--
 v2rayN/v2rayN/Views/SubEditWindow.xaml        |  5 +-
 v2rayN/v2rayN/Views/SubSettingWindow.xaml     |  5 +-
 31 files changed, 212 insertions(+), 81 deletions(-)
 create mode 100644 v2rayN/v2rayN.Desktop/Base/WindowBase.cs
 create mode 100644 v2rayN/v2rayN/Base/WindowBase.cs

diff --git a/v2rayN/ServiceLib/Handler/ConfigHandler.cs b/v2rayN/ServiceLib/Handler/ConfigHandler.cs
index cc8f1efc..5fb5471e 100644
--- a/v2rayN/ServiceLib/Handler/ConfigHandler.cs
+++ b/v2rayN/ServiceLib/Handler/ConfigHandler.cs
@@ -101,6 +101,7 @@ public class ConfigHandler
             EnableAutoAdjustMainLvColWidth = true
         };
         config.UiItem.MainColumnItem ??= new();
+        config.UiItem.WindowSizeItem ??= new();
 
         if (config.UiItem.CurrentLanguage.IsNullOrEmpty())
         {
@@ -2174,4 +2175,34 @@ public class ConfigHandler
     }
 
     #endregion Regional Presets
+
+    #region UIItem
+
+    public static WindowSizeItem? GetWindowSizeItem(Config config, string typeName)
+    {
+        var sizeItem = config?.UiItem?.WindowSizeItem?.FirstOrDefault(t => t.TypeName == typeName);
+        if (sizeItem == null || sizeItem.Width <= 0 || sizeItem.Height <= 0)
+        {
+            return null;
+        }
+
+        return sizeItem;
+    }
+
+    public static int SaveWindowSizeItem(Config config, string typeName, double width, double height)
+    {
+        var sizeItem = config?.UiItem?.WindowSizeItem?.FirstOrDefault(t => t.TypeName == typeName);
+        if (sizeItem == null)
+        {
+            sizeItem = new WindowSizeItem { TypeName = typeName };
+            config.UiItem.WindowSizeItem.Add(sizeItem);
+        }
+
+        sizeItem.Width = width;
+        sizeItem.Height = height;
+
+        return 0;
+    }
+
+    #endregion UIItem
 }
diff --git a/v2rayN/ServiceLib/Models/ConfigItems.cs b/v2rayN/ServiceLib/Models/ConfigItems.cs
index 08ce284b..bca32a53 100644
--- a/v2rayN/ServiceLib/Models/ConfigItems.cs
+++ b/v2rayN/ServiceLib/Models/ConfigItems.cs
@@ -89,8 +89,6 @@ public class UIItem
 {
     public bool EnableAutoAdjustMainLvColWidth { get; set; }
     public bool EnableUpdateSubOnlyRemarksExist { get; set; }
-    public double MainWidth { get; set; }
-    public double MainHeight { get; set; }
     public double MainGirdHeight1 { get; set; }
     public double MainGirdHeight2 { get; set; }
     public EGirdOrientation MainGirdOrientation { get; set; } = EGirdOrientation.Vertical;
@@ -103,9 +101,10 @@ public class UIItem
     public bool DoubleClick2Activate { get; set; }
     public bool AutoHideStartup { get; set; }
     public bool Hide2TrayWhenClose { get; set; }
-    public List<ColumnItem> MainColumnItem { get; set; }
     public bool ShowInTaskbar { get; set; }
     public bool MacOSShowInDock { get; set; }
+    public List<ColumnItem> MainColumnItem { get; set; }
+    public List<WindowSizeItem> WindowSizeItem { get; set; }
 }
 
 [Serializable]
@@ -246,3 +245,11 @@ public class Fragment4RayItem
     public string? Length { get; set; }
     public string? Interval { get; set; }
 }
+
+[Serializable]
+public class WindowSizeItem
+{
+    public string TypeName { get; set; }
+    public double Width { get; set; }
+    public double Height { get; set; }
+}
diff --git a/v2rayN/ServiceLib/Models/IPAPIInfo.cs b/v2rayN/ServiceLib/Models/IPAPIInfo.cs
index 7ba16727..86cfe111 100644
--- a/v2rayN/ServiceLib/Models/IPAPIInfo.cs
+++ b/v2rayN/ServiceLib/Models/IPAPIInfo.cs
@@ -4,7 +4,7 @@ internal class IPAPIInfo
 {
     public string? ip { get; set; }
     public string? clientIp { get; set; }
-    public string? ip_addr { get; set; }    
+    public string? ip_addr { get; set; }
     public string? query { get; set; }
     public string? country { get; set; }
     public string? country_name { get; set; }
diff --git a/v2rayN/ServiceLib/Models/ProfileItem.cs b/v2rayN/ServiceLib/Models/ProfileItem.cs
index 9a11d002..bc4358b5 100644
--- a/v2rayN/ServiceLib/Models/ProfileItem.cs
+++ b/v2rayN/ServiceLib/Models/ProfileItem.cs
@@ -4,7 +4,7 @@ using SQLite;
 namespace ServiceLib.Models;
 
 [Serializable]
-public class ProfileItem: ReactiveObject
+public class ProfileItem : ReactiveObject
 {
     public ProfileItem()
     {
diff --git a/v2rayN/v2rayN.Desktop/Base/WindowBase.cs b/v2rayN/v2rayN.Desktop/Base/WindowBase.cs
new file mode 100644
index 00000000..ecdeb24f
--- /dev/null
+++ b/v2rayN/v2rayN.Desktop/Base/WindowBase.cs
@@ -0,0 +1,52 @@
+using Avalonia;
+using Avalonia.Interactivity;
+using Avalonia.ReactiveUI;
+
+namespace v2rayN.Desktop.Base;
+
+public class WindowBase<TViewModel> : ReactiveWindow<TViewModel> where TViewModel : class
+{
+    public WindowBase()
+    {
+        Loaded += OnLoaded;
+    }
+
+    private void ReactiveWindowBase_Closed(object? sender, EventArgs e)
+    {
+        throw new NotImplementedException();
+    }
+
+    protected virtual void OnLoaded(object? sender, RoutedEventArgs e)
+    {
+        try
+        {
+            var sizeItem = ConfigHandler.GetWindowSizeItem(AppHandler.Instance.Config, GetType().Name);
+            if (sizeItem == null)
+            {
+                return;
+            }
+
+            Width = sizeItem.Width;
+            Height = sizeItem.Height;
+
+            var workingArea = (Screens.ScreenFromWindow(this) ?? Screens.Primary).WorkingArea;
+            var scaling = VisualRoot is not null ? VisualRoot.RenderScaling : 1.0;
+
+            var x = workingArea.X + ((workingArea.Width - (Width * scaling)) / 2);
+            var y = workingArea.Y + ((workingArea.Height - (Height * scaling)) / 2);
+
+            Position = new PixelPoint((int)x, (int)y);
+        }
+        catch { }
+    }
+
+    protected override void OnClosed(EventArgs e)
+    {
+        base.OnClosed(e);
+        try
+        {
+            ConfigHandler.SaveWindowSizeItem(AppHandler.Instance.Config, GetType().Name, Width, Height);
+        }
+        catch { }
+    }
+}
diff --git a/v2rayN/v2rayN.Desktop/Views/AddServer2Window.axaml.cs b/v2rayN/v2rayN.Desktop/Views/AddServer2Window.axaml.cs
index 79b6ce7d..3c96871f 100644
--- a/v2rayN/v2rayN.Desktop/Views/AddServer2Window.axaml.cs
+++ b/v2rayN/v2rayN.Desktop/Views/AddServer2Window.axaml.cs
@@ -1,12 +1,12 @@
 using System.Reactive.Disposables;
 using Avalonia.Interactivity;
-using Avalonia.ReactiveUI;
 using ReactiveUI;
+using v2rayN.Desktop.Base;
 using v2rayN.Desktop.Common;
 
 namespace v2rayN.Desktop.Views;
 
-public partial class AddServer2Window : ReactiveWindow<AddServer2ViewModel>
+public partial class AddServer2Window : WindowBase<AddServer2ViewModel>
 {
     public AddServer2Window()
     {
diff --git a/v2rayN/v2rayN.Desktop/Views/AddServerWindow.axaml.cs b/v2rayN/v2rayN.Desktop/Views/AddServerWindow.axaml.cs
index d7cf39e2..64c43f6c 100644
--- a/v2rayN/v2rayN.Desktop/Views/AddServerWindow.axaml.cs
+++ b/v2rayN/v2rayN.Desktop/Views/AddServerWindow.axaml.cs
@@ -1,12 +1,12 @@
 using System.Reactive.Disposables;
 using Avalonia.Controls;
 using Avalonia.Interactivity;
-using Avalonia.ReactiveUI;
 using ReactiveUI;
+using v2rayN.Desktop.Base;
 
 namespace v2rayN.Desktop.Views;
 
-public partial class AddServerWindow : ReactiveWindow<AddServerViewModel>
+public partial class AddServerWindow : WindowBase<AddServerViewModel>
 {
     public AddServerWindow()
     {
diff --git a/v2rayN/v2rayN.Desktop/Views/DNSSettingWindow.axaml.cs b/v2rayN/v2rayN.Desktop/Views/DNSSettingWindow.axaml.cs
index c687e153..347093f9 100644
--- a/v2rayN/v2rayN.Desktop/Views/DNSSettingWindow.axaml.cs
+++ b/v2rayN/v2rayN.Desktop/Views/DNSSettingWindow.axaml.cs
@@ -1,11 +1,11 @@
 using System.Reactive.Disposables;
 using Avalonia.Interactivity;
-using Avalonia.ReactiveUI;
 using ReactiveUI;
+using v2rayN.Desktop.Base;
 
 namespace v2rayN.Desktop.Views;
 
-public partial class DNSSettingWindow : ReactiveWindow<DNSSettingViewModel>
+public partial class DNSSettingWindow : WindowBase<DNSSettingViewModel>
 {
     private static Config _config;
 
diff --git a/v2rayN/v2rayN.Desktop/Views/GlobalHotkeySettingWindow.axaml.cs b/v2rayN/v2rayN.Desktop/Views/GlobalHotkeySettingWindow.axaml.cs
index f73a49d9..a9f79765 100644
--- a/v2rayN/v2rayN.Desktop/Views/GlobalHotkeySettingWindow.axaml.cs
+++ b/v2rayN/v2rayN.Desktop/Views/GlobalHotkeySettingWindow.axaml.cs
@@ -3,13 +3,13 @@ using System.Text;
 using Avalonia.Controls;
 using Avalonia.Input;
 using Avalonia.Interactivity;
-using Avalonia.ReactiveUI;
 using ReactiveUI;
+using v2rayN.Desktop.Base;
 using v2rayN.Desktop.Handler;
 
 namespace v2rayN.Desktop.Views;
 
-public partial class GlobalHotkeySettingWindow : ReactiveWindow<GlobalHotkeySettingViewModel>
+public partial class GlobalHotkeySettingWindow : WindowBase<GlobalHotkeySettingViewModel>
 {
     private readonly List<object> _textBoxKeyEventItem = new();
 
diff --git a/v2rayN/v2rayN.Desktop/Views/MainWindow.axaml.cs b/v2rayN/v2rayN.Desktop/Views/MainWindow.axaml.cs
index 6aa89db6..63646201 100644
--- a/v2rayN/v2rayN.Desktop/Views/MainWindow.axaml.cs
+++ b/v2rayN/v2rayN.Desktop/Views/MainWindow.axaml.cs
@@ -5,18 +5,18 @@ using Avalonia.Controls.ApplicationLifetimes;
 using Avalonia.Controls.Notifications;
 using Avalonia.Input;
 using Avalonia.Interactivity;
-using Avalonia.ReactiveUI;
 using Avalonia.Threading;
 using DialogHostAvalonia;
 using MsBox.Avalonia.Enums;
 using ReactiveUI;
 using Splat;
+using v2rayN.Desktop.Base;
 using v2rayN.Desktop.Common;
 using v2rayN.Desktop.Handler;
 
 namespace v2rayN.Desktop.Views;
 
-public partial class MainWindow : ReactiveWindow<MainWindowViewModel>
+public partial class MainWindow : WindowBase<MainWindowViewModel>
 {
     private static Config _config;
     private WindowNotificationManager? _manager;
@@ -154,7 +154,6 @@ public partial class MainWindow : ReactiveWindow<MainWindowViewModel>
         }
         menuAddServerViaScan.IsVisible = false;
 
-        RestoreUI();
         AddHelpMenuItem();
         MessageBus.Current.Listen<string>(EMsgCommand.AppExit.ToString()).Subscribe(StorageUI);
     }
@@ -436,14 +435,14 @@ public partial class MainWindow : ReactiveWindow<MainWindowViewModel>
         _config.UiItem.ShowInTaskbar = bl;
     }
 
+    protected override void OnLoaded(object? sender, RoutedEventArgs e)
+    {
+        base.OnLoaded(sender, e);
+        RestoreUI();
+    }
+
     private void RestoreUI()
     {
-        if (_config.UiItem.MainWidth > 0 && _config.UiItem.MainHeight > 0)
-        {
-            Width = _config.UiItem.MainWidth;
-            Height = _config.UiItem.MainHeight;
-        }
-
         if (_config.UiItem.MainGirdHeight1 > 0 && _config.UiItem.MainGirdHeight2 > 0)
         {
             if (_config.UiItem.MainGirdOrientation == EGirdOrientation.Horizontal)
@@ -461,8 +460,7 @@ public partial class MainWindow : ReactiveWindow<MainWindowViewModel>
 
     private void StorageUI(string? n = null)
     {
-        _config.UiItem.MainWidth = this.Width;
-        _config.UiItem.MainHeight = this.Height;
+        ConfigHandler.SaveWindowSizeItem(_config, GetType().Name, Width, Height);
 
         if (_config.UiItem.MainGirdOrientation == EGirdOrientation.Horizontal)
         {
diff --git a/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml.cs b/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml.cs
index fd319d92..f417e498 100644
--- a/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml.cs
+++ b/v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml.cs
@@ -1,11 +1,11 @@
 using System.Reactive.Disposables;
 using Avalonia.Controls;
-using Avalonia.ReactiveUI;
 using ReactiveUI;
+using v2rayN.Desktop.Base;
 
 namespace v2rayN.Desktop.Views;
 
-public partial class OptionSettingWindow : ReactiveWindow<OptionSettingViewModel>
+public partial class OptionSettingWindow : WindowBase<OptionSettingViewModel>
 {
     private static Config _config;
 
diff --git a/v2rayN/v2rayN.Desktop/Views/RoutingRuleDetailsWindow.axaml.cs b/v2rayN/v2rayN.Desktop/Views/RoutingRuleDetailsWindow.axaml.cs
index c6eead9f..35bc24a4 100644
--- a/v2rayN/v2rayN.Desktop/Views/RoutingRuleDetailsWindow.axaml.cs
+++ b/v2rayN/v2rayN.Desktop/Views/RoutingRuleDetailsWindow.axaml.cs
@@ -1,12 +1,12 @@
 using System.Reactive.Disposables;
 using Avalonia.Controls;
 using Avalonia.Interactivity;
-using Avalonia.ReactiveUI;
 using ReactiveUI;
+using v2rayN.Desktop.Base;
 
 namespace v2rayN.Desktop.Views;
 
-public partial class RoutingRuleDetailsWindow : ReactiveWindow<RoutingRuleDetailsViewModel>
+public partial class RoutingRuleDetailsWindow : WindowBase<RoutingRuleDetailsViewModel>
 {
     public RoutingRuleDetailsWindow()
     {
diff --git a/v2rayN/v2rayN.Desktop/Views/RoutingRuleSettingWindow.axaml.cs b/v2rayN/v2rayN.Desktop/Views/RoutingRuleSettingWindow.axaml.cs
index 1cae4c0b..37b9a1a8 100644
--- a/v2rayN/v2rayN.Desktop/Views/RoutingRuleSettingWindow.axaml.cs
+++ b/v2rayN/v2rayN.Desktop/Views/RoutingRuleSettingWindow.axaml.cs
@@ -2,14 +2,14 @@ using System.Reactive.Disposables;
 using Avalonia.Controls;
 using Avalonia.Input;
 using Avalonia.Interactivity;
-using Avalonia.ReactiveUI;
 using MsBox.Avalonia.Enums;
 using ReactiveUI;
+using v2rayN.Desktop.Base;
 using v2rayN.Desktop.Common;
 
 namespace v2rayN.Desktop.Views;
 
-public partial class RoutingRuleSettingWindow : ReactiveWindow<RoutingRuleSettingViewModel>
+public partial class RoutingRuleSettingWindow : WindowBase<RoutingRuleSettingViewModel>
 {
     public RoutingRuleSettingWindow()
     {
diff --git a/v2rayN/v2rayN.Desktop/Views/RoutingSettingWindow.axaml.cs b/v2rayN/v2rayN.Desktop/Views/RoutingSettingWindow.axaml.cs
index 2f187f8e..0e6f69cc 100644
--- a/v2rayN/v2rayN.Desktop/Views/RoutingSettingWindow.axaml.cs
+++ b/v2rayN/v2rayN.Desktop/Views/RoutingSettingWindow.axaml.cs
@@ -2,14 +2,14 @@ using System.Reactive.Disposables;
 using Avalonia.Controls;
 using Avalonia.Input;
 using Avalonia.Interactivity;
-using Avalonia.ReactiveUI;
 using MsBox.Avalonia.Enums;
 using ReactiveUI;
+using v2rayN.Desktop.Base;
 using v2rayN.Desktop.Common;
 
 namespace v2rayN.Desktop.Views;
 
-public partial class RoutingSettingWindow : ReactiveWindow<RoutingSettingViewModel>
+public partial class RoutingSettingWindow : WindowBase<RoutingSettingViewModel>
 {
     private bool _manualClose = false;
 
diff --git a/v2rayN/v2rayN.Desktop/Views/SubEditWindow.axaml.cs b/v2rayN/v2rayN.Desktop/Views/SubEditWindow.axaml.cs
index 6c0f192e..b2fcf442 100644
--- a/v2rayN/v2rayN.Desktop/Views/SubEditWindow.axaml.cs
+++ b/v2rayN/v2rayN.Desktop/Views/SubEditWindow.axaml.cs
@@ -1,12 +1,12 @@
 using System.Reactive.Disposables;
 using Avalonia;
 using Avalonia.Interactivity;
-using Avalonia.ReactiveUI;
 using ReactiveUI;
+using v2rayN.Desktop.Base;
 
 namespace v2rayN.Desktop.Views;
 
-public partial class SubEditWindow : ReactiveWindow<SubEditViewModel>
+public partial class SubEditWindow : WindowBase<SubEditViewModel>
 {
     public SubEditWindow()
     {
diff --git a/v2rayN/v2rayN.Desktop/Views/SubSettingWindow.axaml.cs b/v2rayN/v2rayN.Desktop/Views/SubSettingWindow.axaml.cs
index 7882449e..9ff0bcbd 100644
--- a/v2rayN/v2rayN.Desktop/Views/SubSettingWindow.axaml.cs
+++ b/v2rayN/v2rayN.Desktop/Views/SubSettingWindow.axaml.cs
@@ -1,16 +1,16 @@
 using System.Reactive.Disposables;
 using Avalonia.Controls;
 using Avalonia.Interactivity;
-using Avalonia.ReactiveUI;
 using DialogHostAvalonia;
 using DynamicData;
 using MsBox.Avalonia.Enums;
 using ReactiveUI;
+using v2rayN.Desktop.Base;
 using v2rayN.Desktop.Common;
 
 namespace v2rayN.Desktop.Views;
 
-public partial class SubSettingWindow : ReactiveWindow<SubSettingViewModel>
+public partial class SubSettingWindow : WindowBase<SubSettingViewModel>
 {
     private bool _manualClose = false;
 
diff --git a/v2rayN/v2rayN/App.xaml b/v2rayN/v2rayN/App.xaml
index 49a31268..e6b7e3af 100644
--- a/v2rayN/v2rayN/App.xaml
+++ b/v2rayN/v2rayN/App.xaml
@@ -215,7 +215,7 @@
                 <Setter Property="Background" Value="{DynamicResource MaterialDesignPaper}" />
                 <Setter Property="TextElement.FontFamily" Value="{x:Static conv:MaterialDesignFonts.MyFont}" />
                 <Setter Property="FontFamily" Value="{x:Static conv:MaterialDesignFonts.MyFont}" />
-                <Setter Property="ResizeMode" Value="NoResize" />
+                <Setter Property="ResizeMode" Value="CanResize" />
             </Style>
             <Style
                 x:Key="ViewGlobal"
diff --git a/v2rayN/v2rayN/Base/WindowBase.cs b/v2rayN/v2rayN/Base/WindowBase.cs
new file mode 100644
index 00000000..f73d2b69
--- /dev/null
+++ b/v2rayN/v2rayN/Base/WindowBase.cs
@@ -0,0 +1,42 @@
+using System.Windows;
+using ReactiveUI;
+
+namespace v2rayN.Base;
+
+public class WindowBase<TViewModel> : ReactiveWindow<TViewModel> where TViewModel : class
+{
+    public WindowBase()
+    {
+        Loaded += OnLoaded;
+    }
+
+    protected virtual void OnLoaded(object? sender, RoutedEventArgs e)
+    {
+        try
+        {
+            var sizeItem = ConfigHandler.GetWindowSizeItem(AppHandler.Instance.Config, GetType().Name);
+            if (sizeItem == null)
+            {
+                return;
+            }
+
+            Width = Math.Min(sizeItem.Width, SystemParameters.WorkArea.Width);
+            Height = Math.Min(sizeItem.Height, SystemParameters.WorkArea.Height);
+
+            Left = SystemParameters.WorkArea.Left + ((SystemParameters.WorkArea.Width - Width) / 2);
+            Top = SystemParameters.WorkArea.Top + ((SystemParameters.WorkArea.Height - Height) / 2);
+        }
+        catch { }
+    }
+
+    protected override void OnClosed(EventArgs e)
+    {
+        base.OnClosed(e);
+
+        try
+        {
+            ConfigHandler.SaveWindowSizeItem(AppHandler.Instance.Config, GetType().Name, Width, Height);
+        }
+        catch { }
+    }
+}
diff --git a/v2rayN/v2rayN/Views/AddServer2Window.xaml b/v2rayN/v2rayN/Views/AddServer2Window.xaml
index 24f38921..04ae6750 100644
--- a/v2rayN/v2rayN/Views/AddServer2Window.xaml
+++ b/v2rayN/v2rayN/Views/AddServer2Window.xaml
@@ -1,7 +1,8 @@
-<reactiveui:ReactiveWindow
+<base:WindowBase
     x:Class="v2rayN.Views.AddServer2Window"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:base="clr-namespace:v2rayN.Base"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
@@ -198,4 +199,4 @@
             </Grid>
         </ScrollViewer>
     </DockPanel>
-</reactiveui:ReactiveWindow>
+</base:WindowBase>
diff --git a/v2rayN/v2rayN/Views/AddServerWindow.xaml b/v2rayN/v2rayN/Views/AddServerWindow.xaml
index 14b070bf..3b7be680 100644
--- a/v2rayN/v2rayN/Views/AddServerWindow.xaml
+++ b/v2rayN/v2rayN/Views/AddServerWindow.xaml
@@ -1,7 +1,8 @@
-<reactiveui:ReactiveWindow
+<base:WindowBase
     x:Class="v2rayN.Views.AddServerWindow"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:base="clr-namespace:v2rayN.Base"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
@@ -1071,4 +1072,4 @@
             </Grid>
         </ScrollViewer>
     </DockPanel>
-</reactiveui:ReactiveWindow>
+</base:WindowBase>
diff --git a/v2rayN/v2rayN/Views/DNSSettingWindow.xaml b/v2rayN/v2rayN/Views/DNSSettingWindow.xaml
index 813ae6c0..c2d9364e 100644
--- a/v2rayN/v2rayN/Views/DNSSettingWindow.xaml
+++ b/v2rayN/v2rayN/Views/DNSSettingWindow.xaml
@@ -1,7 +1,8 @@
-<reactiveui:ReactiveWindow
+<base:WindowBase
     x:Class="v2rayN.Views.DNSSettingWindow"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:base="clr-namespace:v2rayN.Base"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
@@ -204,4 +205,4 @@
             </TabItem>
         </TabControl>
     </DockPanel>
-</reactiveui:ReactiveWindow>
\ No newline at end of file
+</base:WindowBase>
diff --git a/v2rayN/v2rayN/Views/GlobalHotkeySettingWindow.xaml b/v2rayN/v2rayN/Views/GlobalHotkeySettingWindow.xaml
index 0e763ca7..6a9a4ffa 100644
--- a/v2rayN/v2rayN/Views/GlobalHotkeySettingWindow.xaml
+++ b/v2rayN/v2rayN/Views/GlobalHotkeySettingWindow.xaml
@@ -1,7 +1,8 @@
-<reactiveui:ReactiveWindow
+<base:WindowBase
     x:Class="v2rayN.Views.GlobalHotkeySettingWindow"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:base="clr-namespace:v2rayN.Base"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
@@ -169,4 +170,4 @@
             </Grid>
         </ScrollViewer>
     </DockPanel>
-</reactiveui:ReactiveWindow>
+</base:WindowBase>
diff --git a/v2rayN/v2rayN/Views/MainWindow.xaml b/v2rayN/v2rayN/Views/MainWindow.xaml
index 925d1f84..55384453 100644
--- a/v2rayN/v2rayN/Views/MainWindow.xaml
+++ b/v2rayN/v2rayN/Views/MainWindow.xaml
@@ -1,7 +1,8 @@
-<reactiveui:ReactiveWindow
+<base:WindowBase
     x:Class="v2rayN.Views.MainWindow"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:base="clr-namespace:v2rayN.Base"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
@@ -40,8 +41,8 @@
                         HorizontalAlignment="Center"
                         VerticalAlignment="Center"
                         ClipToBounds="True"
-                        Style="{StaticResource MaterialDesignToolBar}"
-                        KeyboardNavigation.TabNavigation="Continue">
+                        KeyboardNavigation.TabNavigation="Continue"
+                        Style="{StaticResource MaterialDesignToolBar}">
                         <Menu Margin="0,1" Style="{StaticResource ToolbarMenu}">
                             <MenuItem Padding="8,0" AutomationProperties.Name="{x:Static resx:ResUI.menuServers}">
                                 <MenuItem.Header>
@@ -432,4 +433,4 @@
             </DockPanel>
         </Grid>
     </materialDesign:DialogHost>
-</reactiveui:ReactiveWindow>
+</base:WindowBase>
diff --git a/v2rayN/v2rayN/Views/MainWindow.xaml.cs b/v2rayN/v2rayN/Views/MainWindow.xaml.cs
index b3869cae..256e1161 100644
--- a/v2rayN/v2rayN/Views/MainWindow.xaml.cs
+++ b/v2rayN/v2rayN/Views/MainWindow.xaml.cs
@@ -139,7 +139,6 @@ public partial class MainWindow
             RenderOptions.ProcessRenderMode = RenderMode.SoftwareOnly;
         }
 
-        RestoreUI();
         AddHelpMenuItem();
         WindowsHandler.Instance.RegisterGlobalHotkey(_config, OnHotkeyHandler, null);
         MessageBus.Current.Listen<string>(EMsgCommand.AppExit.ToString()).Subscribe(StorageUI);
@@ -395,20 +394,14 @@ public partial class MainWindow
         _config.UiItem.ShowInTaskbar = bl;
     }
 
+    protected override void OnLoaded(object? sender, RoutedEventArgs e)
+    {
+        base.OnLoaded(sender, e);
+        RestoreUI();
+    }
+
     private void RestoreUI()
     {
-        if (_config.UiItem.MainWidth > 0 && _config.UiItem.MainHeight > 0)
-        {
-            Width = _config.UiItem.MainWidth;
-            Height = _config.UiItem.MainHeight;
-        }
-
-        var maxWidth = SystemParameters.WorkArea.Width;
-        var maxHeight = SystemParameters.WorkArea.Height;
-        if (Width > maxWidth)
-            Width = maxWidth;
-        if (Height > maxHeight)
-            Height = maxHeight;
         if (_config.UiItem.MainGirdHeight1 > 0 && _config.UiItem.MainGirdHeight2 > 0)
         {
             if (_config.UiItem.MainGirdOrientation == EGirdOrientation.Horizontal)
@@ -426,8 +419,7 @@ public partial class MainWindow
 
     private void StorageUI(string? n = null)
     {
-        _config.UiItem.MainWidth = this.Width;
-        _config.UiItem.MainHeight = this.Height;
+        ConfigHandler.SaveWindowSizeItem(_config, GetType().Name, Width, Height);
 
         if (_config.UiItem.MainGirdOrientation == EGirdOrientation.Horizontal)
         {
diff --git a/v2rayN/v2rayN/Views/OptionSettingWindow.xaml b/v2rayN/v2rayN/Views/OptionSettingWindow.xaml
index 584658e5..890352fc 100644
--- a/v2rayN/v2rayN/Views/OptionSettingWindow.xaml
+++ b/v2rayN/v2rayN/Views/OptionSettingWindow.xaml
@@ -1,7 +1,8 @@
-<reactiveui:ReactiveWindow
+<base:WindowBase
     x:Class="v2rayN.Views.OptionSettingWindow"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:base="clr-namespace:v2rayN.Base"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
@@ -959,8 +960,6 @@
                             Style="{StaticResource ToolbarTextBlock}"
                             Text="{x:Static resx:ResUI.TbSettingsChinaUserTip}"
                             TextWrapping="Wrap" />
-
-
                     </Grid>
                 </ScrollViewer>
             </TabItem>
@@ -1231,4 +1230,4 @@
             </TabItem>
         </TabControl>
     </DockPanel>
-</reactiveui:ReactiveWindow>
+</base:WindowBase>
diff --git a/v2rayN/v2rayN/Views/RoutingRuleDetailsWindow.xaml b/v2rayN/v2rayN/Views/RoutingRuleDetailsWindow.xaml
index f3d0f3b4..b926a307 100644
--- a/v2rayN/v2rayN/Views/RoutingRuleDetailsWindow.xaml
+++ b/v2rayN/v2rayN/Views/RoutingRuleDetailsWindow.xaml
@@ -1,7 +1,8 @@
-<reactiveui:ReactiveWindow
+<base:WindowBase
     x:Class="v2rayN.Views.RoutingRuleDetailsWindow"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:base="clr-namespace:v2rayN.Base"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
@@ -242,4 +243,4 @@
             </GroupBox>
         </Grid>
     </DockPanel>
-</reactiveui:ReactiveWindow>
+</base:WindowBase>
diff --git a/v2rayN/v2rayN/Views/RoutingRuleSettingWindow.xaml b/v2rayN/v2rayN/Views/RoutingRuleSettingWindow.xaml
index 6af43ea5..3489d4c2 100644
--- a/v2rayN/v2rayN/Views/RoutingRuleSettingWindow.xaml
+++ b/v2rayN/v2rayN/Views/RoutingRuleSettingWindow.xaml
@@ -1,7 +1,8 @@
-<reactiveui:ReactiveWindow
+<base:WindowBase
     x:Class="v2rayN.Views.RoutingRuleSettingWindow"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:base="clr-namespace:v2rayN.Base"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
@@ -334,4 +335,4 @@
             </TabItem>
         </TabControl>
     </DockPanel>
-</reactiveui:ReactiveWindow>
+</base:WindowBase>
diff --git a/v2rayN/v2rayN/Views/RoutingSettingWindow.xaml b/v2rayN/v2rayN/Views/RoutingSettingWindow.xaml
index 671c226f..2b00659e 100644
--- a/v2rayN/v2rayN/Views/RoutingSettingWindow.xaml
+++ b/v2rayN/v2rayN/Views/RoutingSettingWindow.xaml
@@ -1,7 +1,8 @@
-<reactiveui:ReactiveWindow
+<base:WindowBase
     x:Class="v2rayN.Views.RoutingSettingWindow"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:base="clr-namespace:v2rayN.Base"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
@@ -220,4 +221,4 @@
             </TabItem>
         </TabControl>
     </DockPanel>
-</reactiveui:ReactiveWindow>
+</base:WindowBase>
diff --git a/v2rayN/v2rayN/Views/StatusBarView.xaml b/v2rayN/v2rayN/Views/StatusBarView.xaml
index bc5534db..c58e8326 100644
--- a/v2rayN/v2rayN/Views/StatusBarView.xaml
+++ b/v2rayN/v2rayN/Views/StatusBarView.xaml
@@ -92,7 +92,7 @@
                         AutomationProperties.Name="{x:Static resx:ResUI.menuRouting}"
                         DisplayMemberPath="Remarks"
                         FontSize="{DynamicResource StdFontSize}"
-                        Style="{StaticResource MaterialDesignFloatingHintComboBox}">                        
+                        Style="{StaticResource MaterialDesignFloatingHintComboBox}">
                     </ComboBox>
                 </StackPanel>
 
@@ -185,7 +185,7 @@
                                     AutomationProperties.Name="{x:Static resx:ResUI.menuRouting}"
                                     DisplayMemberPath="Remarks"
                                     FontSize="{DynamicResource StdFontSize}"
-                                    Style="{StaticResource MaterialDesignFilledComboBox}">                               
+                                    Style="{StaticResource MaterialDesignFilledComboBox}">
                                 </ComboBox>
                             </DockPanel>
                         </MenuItem.Header>
@@ -200,7 +200,7 @@
                                     AutomationProperties.Name="{x:Static resx:ResUI.menuServers}"
                                     DisplayMemberPath="Text"
                                     FontSize="{DynamicResource StdFontSize}"
-                                    Style="{StaticResource MaterialDesignFilledComboBox}">                               
+                                    Style="{StaticResource MaterialDesignFilledComboBox}">
                                 </ComboBox>
                             </DockPanel>
                         </MenuItem.Header>
diff --git a/v2rayN/v2rayN/Views/SubEditWindow.xaml b/v2rayN/v2rayN/Views/SubEditWindow.xaml
index 4d33cb11..497d9271 100644
--- a/v2rayN/v2rayN/Views/SubEditWindow.xaml
+++ b/v2rayN/v2rayN/Views/SubEditWindow.xaml
@@ -1,7 +1,8 @@
-<reactiveui:ReactiveWindow
+<base:WindowBase
     x:Class="v2rayN.Views.SubEditWindow"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:base="clr-namespace:v2rayN.Base"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
@@ -315,4 +316,4 @@
             </Grid>
         </ScrollViewer>
     </DockPanel>
-</reactiveui:ReactiveWindow>
+</base:WindowBase>
diff --git a/v2rayN/v2rayN/Views/SubSettingWindow.xaml b/v2rayN/v2rayN/Views/SubSettingWindow.xaml
index 3e1cb32e..1782855b 100644
--- a/v2rayN/v2rayN/Views/SubSettingWindow.xaml
+++ b/v2rayN/v2rayN/Views/SubSettingWindow.xaml
@@ -1,7 +1,8 @@
-<reactiveui:ReactiveWindow
+<base:WindowBase
     x:Class="v2rayN.Views.SubSettingWindow"
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:base="clr-namespace:v2rayN.Base"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
@@ -120,4 +121,4 @@
             </DataGrid>
         </DockPanel>
     </materialDesign:DialogHost>
-</reactiveui:ReactiveWindow>
+</base:WindowBase>