diff --git a/SpineViewer/Models/PreferenceModel.cs b/SpineViewer/Models/PreferenceModel.cs
index da94a82..635ec10 100644
--- a/SpineViewer/Models/PreferenceModel.cs
+++ b/SpineViewer/Models/PreferenceModel.cs
@@ -73,6 +73,9 @@ namespace SpineViewer.Models
 
         #region 程序选项
 
+        [ObservableProperty]
+        private bool _wallpaperView;
+
         [ObservableProperty]
         private bool _renderSelectedOnly;
 
diff --git a/SpineViewer/Resources/Strings/en.xaml b/SpineViewer/Resources/Strings/en.xaml
index 7cdda02..9d7a0d5 100644
--- a/SpineViewer/Resources/Strings/en.xaml
+++ b/SpineViewer/Resources/Strings/en.xaml
@@ -118,6 +118,7 @@
     <s:String x:Key="Str_MaxFps">Max FPS</s:String>
     <s:String x:Key="Str_MaxFpsTooltip">Maximum frame rate of the preview. Set to 0 for no limit.</s:String>
     <s:String x:Key="Str_PlaySpeed">Playback Speed</s:String>
+    <s:String x:Key="Str_WallpaperView">Wallpaper View</s:String>
     <s:String x:Key="Str_RenderSelectedOnly">Render Selected Only</s:String>
     <s:String x:Key="Str_ShowAxis">Show Axis</s:String>
     <s:String x:Key="Str_BackgroundColor">Background Color</s:String>
diff --git a/SpineViewer/Resources/Strings/ja.xaml b/SpineViewer/Resources/Strings/ja.xaml
index 5f4ef84..e1fb869 100644
--- a/SpineViewer/Resources/Strings/ja.xaml
+++ b/SpineViewer/Resources/Strings/ja.xaml
@@ -118,6 +118,7 @@
     <s:String x:Key="Str_MaxFps">最大FPS</s:String>
     <s:String x:Key="Str_MaxFpsTooltip">プレビュー画面の最大フレームレート。0 に設定すると制限なし。</s:String>
     <s:String x:Key="Str_PlaySpeed">再生速度</s:String>
+    <s:String x:Key="Str_WallpaperView">壁紙表示</s:String>
     <s:String x:Key="Str_RenderSelectedOnly">選択のみレンダリング</s:String>
     <s:String x:Key="Str_ShowAxis">座標軸を表示</s:String>
     <s:String x:Key="Str_BackgroundColor">背景色</s:String>
diff --git a/SpineViewer/Resources/Strings/zh.xaml b/SpineViewer/Resources/Strings/zh.xaml
index 793fd7e..05f485d 100644
--- a/SpineViewer/Resources/Strings/zh.xaml
+++ b/SpineViewer/Resources/Strings/zh.xaml
@@ -118,6 +118,7 @@
     <s:String x:Key="Str_MaxFps">最大帧率</s:String>
     <s:String x:Key="Str_MaxFpsTooltip">预览画面的最大帧率，设置为 0 时则无帧率限制</s:String>
     <s:String x:Key="Str_PlaySpeed">播放速度</s:String>
+    <s:String x:Key="Str_WallpaperView">桌面投影</s:String>
     <s:String x:Key="Str_RenderSelectedOnly">仅渲染选中</s:String>
     <s:String x:Key="Str_ShowAxis">显示坐标轴</s:String>
     <s:String x:Key="Str_BackgroundColor">背景颜色</s:String>
diff --git a/SpineViewer/ViewModels/MainWindow/MainWindowViewModel.cs b/SpineViewer/ViewModels/MainWindow/MainWindowViewModel.cs
index 656f36c..044e33a 100644
--- a/SpineViewer/ViewModels/MainWindow/MainWindowViewModel.cs
+++ b/SpineViewer/ViewModels/MainWindow/MainWindowViewModel.cs
@@ -77,7 +77,15 @@ namespace SpineViewer.ViewModels.MainWindow
         public SFMLRendererViewModel SFMLRendererViewModel => _sfmlRendererViewModel;
         private readonly SFMLRendererViewModel _sfmlRendererViewModel;
 
-        public RelayCommand Cmd_Exit => new(App.Current.Shutdown);
+        public RelayCommand Cmd_SwitchWallpaperView => _cmd_SwitchWallpaperView ??= new(() =>
+        {
+            _preferenceViewModel.WallpaperView = !_preferenceViewModel.WallpaperView;
+            _preferenceViewModel.SavePreference();
+        });
+        private RelayCommand _cmd_SwitchWallpaperView;
+
+        public RelayCommand Cmd_Exit => _cmd_Exit ??= new(App.Current.Shutdown);
+        private RelayCommand? _cmd_Exit;
 
         /// <summary>
         /// 打开工作区
@@ -137,5 +145,6 @@ namespace SpineViewer.ViewModels.MainWindow
                 _spineObjectListViewModel.LoadedSpineObjects = value.LoadedSpineObjects;
             }
         }
+
     }
 }
\ No newline at end of file
diff --git a/SpineViewer/ViewModels/MainWindow/PreferenceViewModel.cs b/SpineViewer/ViewModels/MainWindow/PreferenceViewModel.cs
index a5e3adc..bcdefb7 100644
--- a/SpineViewer/ViewModels/MainWindow/PreferenceViewModel.cs
+++ b/SpineViewer/ViewModels/MainWindow/PreferenceViewModel.cs
@@ -111,6 +111,7 @@ namespace SpineViewer.ViewModels.MainWindow
                     DebugPoints = DebugPoints,
                     DebugClippings = DebugClippings,
 
+                    WallpaperView = WallpaperView,
                     RenderSelectedOnly = RenderSelectedOnly,
                     AssociateFileSuffix = AssociateFileSuffix,
                     AppLanguage = AppLanguage,
@@ -136,6 +137,7 @@ namespace SpineViewer.ViewModels.MainWindow
                 DebugPoints = value.DebugPoints;
                 DebugClippings = value.DebugClippings;
 
+                WallpaperView = value.WallpaperView;
                 RenderSelectedOnly = value.RenderSelectedOnly;
                 AssociateFileSuffix = value.AssociateFileSuffix;
                 AppLanguage = value.AppLanguage;
@@ -244,6 +246,19 @@ namespace SpineViewer.ViewModels.MainWindow
 
         public static ImmutableArray<AppLanguage> AppLanguageOptions { get; } = Enum.GetValues<AppLanguage>().ToImmutableArray();
 
+        public bool AutoRun
+        {
+            get => throw new NotImplementedException();
+            set => throw new NotImplementedException();
+        }
+
+        public bool WallpaperView
+        {
+            get => _wallpaperView;
+            set => SetProperty(ref _wallpaperView, value);
+        }
+        private bool _wallpaperView; // UI 变化通过 PropertyChanged 事件交由 View 层处理
+
         public bool RenderSelectedOnly
         {
             get => _vmMain.SFMLRendererViewModel.RenderSelectedOnly;
diff --git a/SpineViewer/Views/MainWindow.xaml b/SpineViewer/Views/MainWindow.xaml
index d6d2e6d..ffde3f7 100644
--- a/SpineViewer/Views/MainWindow.xaml
+++ b/SpineViewer/Views/MainWindow.xaml
@@ -940,7 +940,7 @@
                        MouseDoubleClick="_notifyIcon_MouseDoubleClick">
             <hc:NotifyIcon.ContextMenu>
                 <ContextMenu>
-                    <MenuItem Header="There may be a funtion :)" IsChecked="True"/>
+                    <MenuItem Header="{DynamicResource Str_WallpaperView}" Command="{Binding Cmd_SwitchWallpaperView}" IsChecked="{Binding PreferenceViewModel.WallpaperView}"/>
                     <Separator/>
                     <MenuItem Header="{DynamicResource Str_Exit}" Command="{Binding Cmd_Exit}"/>
                 </ContextMenu>
diff --git a/SpineViewer/Views/MainWindow.xaml.cs b/SpineViewer/Views/MainWindow.xaml.cs
index b65e3cf..65e2b60 100644
--- a/SpineViewer/Views/MainWindow.xaml.cs
+++ b/SpineViewer/Views/MainWindow.xaml.cs
@@ -12,6 +12,7 @@ using System.Collections.Specialized;
 using System.ComponentModel;
 using System.Diagnostics;
 using System.IO;
+using System.Reflection.Metadata;
 using System.Text;
 using System.Windows;
 using System.Windows.Controls;
@@ -47,67 +48,28 @@ public partial class MainWindow : Window
         InitializeComponent();
         InitializeLogConfiguration();
 
-        _wallpaperRenderWindow = new(new(500, 500), "SpineViewerWallpaper", SFML.Window.Styles.None);
+        // Initialize Wallpaper RenderWindow
+        _wallpaperRenderWindow = new(new(1, 1), "SpineViewerWallpaper", SFML.Window.Styles.None);
         _wallpaperRenderWindow.SetVisible(false);
+        var handle = _wallpaperRenderWindow.SystemHandle;
+        var style = User32.GetWindowLong(handle, User32.GWL_STYLE) | User32.WS_POPUP;
+        var exStyle = User32.GetWindowLong(handle, User32.GWL_EXSTYLE) | User32.WS_EX_LAYERED | User32.WS_EX_TOOLWINDOW;
+        User32.SetWindowLong(handle, User32.GWL_STYLE, style);
+        User32.SetWindowLong(handle, User32.GWL_EXSTYLE, exStyle);
+        User32.SetLayeredWindowAttributes(handle, 0, byte.MaxValue, User32.LWA_ALPHA);
+
         DataContext = _vm = new(_renderPanel, _wallpaperRenderWindow);
 
         // XXX: hc 的 NotifyIcon 的 Text 似乎没法双向绑定
         _notifyIcon.Text = _vm.Title;
 
-        _vm.SpineObjectListViewModel.RequestSelectionChanging += SpinesListView_RequestSelectionChanging;
-        _vm.SFMLRendererViewModel.RequestSelectionChanging += SpinesListView_RequestSelectionChanging;
         Loaded += MainWindow_Loaded;
         ContentRendered += MainWindow_ContentRendered;
         Closed += MainWindow_Closed;
-    }
 
-    private void MainWindow_Loaded(object sender, RoutedEventArgs e)
-    {
-        var vm = _vm.SFMLRendererViewModel;
-        _renderPanel.CanvasMouseWheelScrolled += vm.CanvasMouseWheelScrolled;
-        _renderPanel.CanvasMouseButtonPressed += (s, e) => { vm.CanvasMouseButtonPressed(s, e); _spinesListView.Focus(); }; // 用户点击画布后强制转移焦点至列表
-        _renderPanel.CanvasMouseMove += vm.CanvasMouseMove;
-        _renderPanel.CanvasMouseButtonReleased += vm.CanvasMouseButtonReleased;
-
-        // 设置默认参数并启动渲染
-        vm.SetResolution(1500, 1000);
-        vm.Zoom = 0.75f;
-        vm.CenterX = 0;
-        vm.CenterY = 0;
-        vm.FlipY = true;
-        vm.MaxFps = 30;
-        vm.StartRender();
-
-        // 加载首选项
-        _vm.PreferenceViewModel.LoadPreference();
-
-        LoadLastState();
-    }
-
-    private void MainWindow_ContentRendered(object? sender, EventArgs e)
-    {
-        string[] args = Environment.GetCommandLineArgs();
-        if (args.Length > 1)
-        {
-            string[] filePaths = args.Skip(1).ToArray();
-            _vm.SpineObjectListViewModel.AddSpineObjectFromFileList(filePaths);
-        }
-    }
-
-    private void MainWindow_Closed(object? sender, EventArgs e)
-    {
-        SaveLastState();
-
-        var vm = _vm.SFMLRendererViewModel;
-        vm.StopRender();
-    }
-
-    /// <summary>
-    /// 给管道通信提供的打开文件外部调用方法
-    /// </summary>
-    public void OpenFiles(IEnumerable<string> filePaths)
-    {
-        _vm.SpineObjectListViewModel.AddSpineObjectFromFileList(filePaths);
+        _vm.SpineObjectListViewModel.RequestSelectionChanging += SpinesListView_RequestSelectionChanging;
+        _vm.SFMLRendererViewModel.RequestSelectionChanging += SpinesListView_RequestSelectionChanging;
+        _vm.PreferenceViewModel.PropertyChanged += PreferenceViewModel_PropertyChanged;
     }
 
     /// <summary>
@@ -195,6 +157,95 @@ public partial class MainWindow : Window
         JsonHelper.Serialize(m, LastStateFilePath);
     }
 
+    /// <summary>
+    /// 给管道通信提供的打开文件外部调用方法
+    /// </summary>
+    public void OpenFiles(IEnumerable<string> filePaths)
+    {
+        _vm.SpineObjectListViewModel.AddSpineObjectFromFileList(filePaths);
+    }
+
+    #region MainWindow 事件处理
+
+    private void MainWindow_Loaded(object sender, RoutedEventArgs e)
+    {
+        var vm = _vm.SFMLRendererViewModel;
+        _renderPanel.CanvasMouseWheelScrolled += vm.CanvasMouseWheelScrolled;
+        _renderPanel.CanvasMouseButtonPressed += (s, e) => { vm.CanvasMouseButtonPressed(s, e); _spinesListView.Focus(); }; // 用户点击画布后强制转移焦点至列表
+        _renderPanel.CanvasMouseMove += vm.CanvasMouseMove;
+        _renderPanel.CanvasMouseButtonReleased += vm.CanvasMouseButtonReleased;
+
+        // 设置默认参数并启动渲染
+        vm.SetResolution(1500, 1000);
+        vm.Zoom = 0.75f;
+        vm.CenterX = 0;
+        vm.CenterY = 0;
+        vm.FlipY = true;
+        vm.MaxFps = 30;
+        vm.StartRender();
+
+        // 加载首选项
+        _vm.PreferenceViewModel.LoadPreference();
+
+        LoadLastState();
+    }
+
+    private void MainWindow_ContentRendered(object? sender, EventArgs e)
+    {
+        string[] args = Environment.GetCommandLineArgs();
+        if (args.Length > 1)
+        {
+            string[] filePaths = args.Skip(1).ToArray();
+            _vm.SpineObjectListViewModel.AddSpineObjectFromFileList(filePaths);
+        }
+    }
+
+    private void MainWindow_Closed(object? sender, EventArgs e)
+    {
+        SaveLastState();
+
+        var vm = _vm.SFMLRendererViewModel;
+        vm.StopRender();
+    }
+
+    #endregion
+
+    #region PreferenceViewModel 事件处理
+
+    private void PreferenceViewModel_PropertyChanged(object? sender, PropertyChangedEventArgs e)
+    {
+        if (e.PropertyName == nameof(PreferenceViewModel.WallpaperView))
+        {
+            if (_vm.PreferenceViewModel.WallpaperView)
+            {
+                var workerw = User32.GetWorkerW();
+                if (workerw == IntPtr.Zero)
+                {
+                    _logger.Error("Failed to enable wallpaper view, WorkerW not found");
+                    return;
+                }
+                var wnd = _wallpaperRenderWindow;
+                var handle = wnd.SystemHandle;
+
+                User32.GetPrimaryScreenResolution(out var sw, out var sh);
+
+                User32.SetParent(handle, workerw);
+                User32.SetLayeredWindowAttributes(handle, 0, byte.MaxValue, User32.LWA_ALPHA);
+
+                wnd.Position = new(0, 0);
+                wnd.Size = new(sw + 1, sh);
+                wnd.Size = new(sw, sh);
+                wnd.SetVisible(true);
+            }
+            else
+            {
+                _wallpaperRenderWindow.SetVisible(false);
+            }
+        }
+    }
+
+    #endregion
+
     #region _spinesListView 事件处理
 
     private void SpinesListView_RequestSelectionChanging(object? sender, NotifyCollectionChangedEventArgs e)
@@ -609,29 +660,7 @@ public partial class MainWindow : Window
     private void DebugMenuItem_Click(object sender, RoutedEventArgs e)
     {
 #if DEBUG
-        var www = _wallpaperRenderWindow;
-        User32.GetPrimaryScreenResolution(out var sw, out var sh);
-        www.Position = new(0, 0);
-        www.Size = new(sw, sh);
 
-        var handle = www.SystemHandle;
-        Debug.WriteLine($"Handle: {handle:x8}");
-
-        var style = User32.GetWindowLong(handle, User32.GWL_STYLE) | User32.WS_POPUP;
-        var exStyle = User32.GetWindowLong(handle, User32.GWL_EXSTYLE) | User32.WS_EX_LAYERED | User32.WS_EX_TOOLWINDOW | User32.WS_EX_TOPMOST;
-        User32.SetWindowLong(handle, User32.GWL_STYLE, style);
-        User32.SetWindowLong(handle, User32.GWL_EXSTYLE, exStyle);
-        User32.SetLayeredWindowAttributes(handle, 0, 200, User32.LWA_ALPHA);
-
-        var workerw = User32.GetWorkerW();
-        var res = User32.SetParent(handle, workerw);
-        Debug.WriteLine($"SetParent: {res:x8}");
-
-        User32.SetLayeredWindowAttributes(handle, 0, 255, User32.LWA_ALPHA);
-        var s = www.Size;
-        www.Size = new(s.X + 1, s.Y + 1);
-        www.Size = s;
-        www.SetVisible(true);
 #endif
     }
 }
\ No newline at end of file
diff --git a/SpineViewer/Views/PreferenceDialog.xaml b/SpineViewer/Views/PreferenceDialog.xaml
index 37723e4..644cf8a 100644
--- a/SpineViewer/Views/PreferenceDialog.xaml
+++ b/SpineViewer/Views/PreferenceDialog.xaml
@@ -144,16 +144,20 @@
                                 <RowDefinition Height="Auto"/>
                                 <RowDefinition Height="Auto"/>
                                 <RowDefinition Height="Auto"/>
+                                <RowDefinition Height="Auto"/>
                             </Grid.RowDefinitions>
 
-                            <Label Grid.Row="0" Grid.Column="0" Content="{DynamicResource Str_RenderSelectedOnly}"/>
-                            <ToggleButton Grid.Row="0" Grid.Column="1" IsChecked="{Binding RenderSelectedOnly}"/>
+                            <Label Grid.Row="0" Grid.Column="0" Content="{DynamicResource Str_WallpaperView}"/>
+                            <ToggleButton Grid.Row="0" Grid.Column="1" IsChecked="{Binding WallpaperView}"/>
 
-                            <Label Grid.Row="1" Grid.Column="0" Content="{DynamicResource Str_AssociateFileSuffix}"/>
-                            <ToggleButton Grid.Row="1" Grid.Column="1" IsChecked="{Binding AssociateFileSuffix}"/>
+                            <Label Grid.Row="1" Grid.Column="0" Content="{DynamicResource Str_RenderSelectedOnly}"/>
+                            <ToggleButton Grid.Row="1" Grid.Column="1" IsChecked="{Binding RenderSelectedOnly}"/>
 
-                            <Label Grid.Row="2" Grid.Column="0" Content="{DynamicResource Str_Language}"/>
-                            <ComboBox Grid.Row="2" Grid.Column="1"
+                            <Label Grid.Row="2" Grid.Column="0" Content="{DynamicResource Str_AssociateFileSuffix}"/>
+                            <ToggleButton Grid.Row="2" Grid.Column="1" IsChecked="{Binding AssociateFileSuffix}"/>
+
+                            <Label Grid.Row="3" Grid.Column="0" Content="{DynamicResource Str_Language}"/>
+                            <ComboBox Grid.Row="3" Grid.Column="1"
                                       SelectedItem="{Binding AppLanguage}"
                                       ItemsSource="{x:Static vm:PreferenceViewModel.AppLanguageOptions}"/>