diff --git a/PersonalToolBox.Tests/Helpers/AutoStartHelperTests.cs b/PersonalToolBox.Tests/Helpers/AutoStartHelperTests.cs
new file mode 100644
index 0000000..4fcd539
--- /dev/null
+++ b/PersonalToolBox.Tests/Helpers/AutoStartHelperTests.cs
@@ -0,0 +1,22 @@
+using PersonalToolBox.Helpers;
+
+namespace PersonalToolBox.Tests.Helpers;
+
+public class AutoStartHelperTests
+{
+    [Fact]
+    public void SetAutoStart_Disable_NoExceptions()
+    {
+        // 确保不抛异常
+        AutoStartHelper.SetAutoStart(false);
+    }
+
+    [Fact]
+    public void SetAutoStart_Enable_NoExceptions()
+    {
+        // 确保不抛异常
+        AutoStartHelper.SetAutoStart(true);
+        // 清理
+        AutoStartHelper.SetAutoStart(false);
+    }
+}
diff --git a/PersonalToolBox/App.xaml.cs b/PersonalToolBox/App.xaml.cs
index 53db601..19dc181 100644
--- a/PersonalToolBox/App.xaml.cs
+++ b/PersonalToolBox/App.xaml.cs
@@ -9,7 +9,7 @@ namespace PersonalToolBox;
 /// <summary>
 /// WPF 应用程序入口，负责依赖注入容器初始化和启动主窗口
 /// </summary>
-public partial class App : Application
+public partial class App : System.Windows.Application
 {
     public static IServiceProvider Services { get; private set; } = null!;
 
@@ -49,7 +49,16 @@ public partial class App : Application
             dataService.Load();
 
             var mainWindow = Services.GetRequiredService<MainWindow>();
-            mainWindow.Show();
+
+            // -autostart 参数：开机自启时隐藏窗口
+            if (e.Args.Contains("-autostart", StringComparer.OrdinalIgnoreCase))
+            {
+                mainWindow.Hide();
+            }
+            else
+            {
+                mainWindow.Show();
+            }
         }
         catch (Exception ex)
         {
diff --git a/PersonalToolBox/GlobalUsings.cs b/PersonalToolBox/GlobalUsings.cs
new file mode 100644
index 0000000..a541fb9
--- /dev/null
+++ b/PersonalToolBox/GlobalUsings.cs
@@ -0,0 +1,20 @@
+global using System;
+global using System.Collections.Generic;
+global using System.Collections.ObjectModel;
+global using System.Collections.Specialized;
+global using System.ComponentModel;
+global using System.Diagnostics;
+global using System.IO;
+global using System.Linq;
+global using System.Runtime.InteropServices;
+global using System.Threading;
+global using System.Threading.Tasks;
+global using System.Windows;
+global using System.Windows.Controls;
+global using System.Windows.Data;
+global using System.Windows.Input;
+global using System.Windows.Interop;
+global using System.Windows.Media;
+global using System.Windows.Threading;
+global using Microsoft.Extensions.DependencyInjection;
+global using Microsoft.Win32;
diff --git a/PersonalToolBox/Helpers/AutoStartHelper.cs b/PersonalToolBox/Helpers/AutoStartHelper.cs
new file mode 100644
index 0000000..76bceb6
--- /dev/null
+++ b/PersonalToolBox/Helpers/AutoStartHelper.cs
@@ -0,0 +1,55 @@
+using Microsoft.Win32;
+
+namespace PersonalToolBox.Helpers;
+
+/// <summary>
+/// 开机自启动管理，通过写入 Windows 注册表 Run 键实现
+/// </summary>
+public static class AutoStartHelper
+{
+    private const string RunKeyPath = @"SOFTWARE\Microsoft\Windows\CurrentVersion\Run";
+    private const string AppName = "PersonalToolBox";
+
+    /// <summary>
+    /// 检查当前是否已设置开机自启动
+    /// </summary>
+    public static bool IsAutoStartEnabled()
+    {
+        try
+        {
+            using var key = Registry.CurrentUser.OpenSubKey(RunKeyPath);
+            return key?.GetValue(AppName) != null;
+        }
+        catch
+        {
+            return false;
+        }
+    }
+
+    /// <summary>
+    /// 设置或取消开机自启动
+    /// </summary>
+    public static void SetAutoStart(bool enable)
+    {
+        try
+        {
+            using var key = Registry.CurrentUser.OpenSubKey(RunKeyPath, writable: true);
+            if (key == null) return;
+
+            if (enable)
+            {
+                var exePath = Environment.ProcessPath;
+                if (exePath != null)
+                    key.SetValue(AppName, $"\"{exePath}\" -autostart");
+            }
+            else
+            {
+                key.DeleteValue(AppName, throwOnMissingValue: false);
+            }
+        }
+        catch
+        {
+            // 注册表操作失败时静默忽略（可能是权限不足）
+        }
+    }
+}
diff --git a/PersonalToolBox/PersonalToolBox.csproj b/PersonalToolBox/PersonalToolBox.csproj
index b361992..425c985 100644
--- a/PersonalToolBox/PersonalToolBox.csproj
+++ b/PersonalToolBox/PersonalToolBox.csproj
@@ -4,8 +4,9 @@
     <OutputType>WinExe</OutputType>
     <TargetFramework>net8.0-windows</TargetFramework>
     <Nullable>enable</Nullable>
-    <ImplicitUsings>enable</ImplicitUsings>
+    <ImplicitUsings>disable</ImplicitUsings>
     <UseWPF>true</UseWPF>
+    <UseWindowsForms>true</UseWindowsForms>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/PersonalToolBox/ViewModels/MainViewModel.cs b/PersonalToolBox/ViewModels/MainViewModel.cs
index 65f335a..0f56187 100644
--- a/PersonalToolBox/ViewModels/MainViewModel.cs
+++ b/PersonalToolBox/ViewModels/MainViewModel.cs
@@ -63,6 +63,9 @@ public partial class MainViewModel : ObservableObject
     [ObservableProperty]
     private string _currentTheme = "Dark";
 
+    [ObservableProperty]
+    private bool _isAutoStart;
+
     // ───────────────────────────── 命令 ─────────────────────────────
 
     [RelayCommand]
@@ -78,6 +81,27 @@ public partial class MainViewModel : ObservableObject
         _logService.Info($"已切换到{(CurrentTheme == "Dark" ? "暗黑" : "明亮")}主题");
     }
 
+    /// <summary>
+    /// 切换开机自启动
+    /// </summary>
+    [RelayCommand]
+    private void ToggleAutoStart()
+    {
+        IsAutoStart = !IsAutoStart;
+        AutoStartHelper.SetAutoStart(IsAutoStart);
+        _dataService.Config.AutoStart = IsAutoStart;
+        _dataService.Save();
+        _logService.Info(IsAutoStart ? "已启用开机自启动" : "已关闭开机自启动");
+    }
+
+    /// <summary>
+    /// 供 MainWindow 外部调用，用于输出提示信息
+    /// </summary>
+    public void LogServiceMessage(string message)
+    {
+        _logService.Info(message);
+    }
+
     /// <summary>
     /// 打开添加工具弹窗
     /// </summary>
@@ -225,6 +249,7 @@ public partial class MainViewModel : ObservableObject
 
         SelectedCategory = AllCategory;
         CurrentTheme = _dataService.Config.Theme;
+        IsAutoStart = _dataService.Config.AutoStart;
         ThemeHelper.ApplyTheme(CurrentTheme);
     }
 
diff --git a/PersonalToolBox/Views/MainWindow.xaml b/PersonalToolBox/Views/MainWindow.xaml
index dec7267..16a49da 100644
--- a/PersonalToolBox/Views/MainWindow.xaml
+++ b/PersonalToolBox/Views/MainWindow.xaml
@@ -81,6 +81,7 @@
                         <RowDefinition Height="50"/>
                         <RowDefinition Height="*"/>
                         <RowDefinition Height="42"/>
+                        <RowDefinition Height="42"/>
                         <RowDefinition Height="45"/>
                     </Grid.RowDefinitions>
 
@@ -160,6 +161,28 @@
                     </Button>
 
                     <Button Grid.Row="3"
+                            Command="{Binding ToggleAutoStartCommand}"
+                            Background="Transparent"
+                            BorderThickness="1"
+                            BorderBrush="{DynamicResource Theme.CardBorder}"
+                            Foreground="{DynamicResource Theme.Foreground}"
+                            FontSize="12"
+                            Height="35" Margin="10,0,10,3"
+                            Cursor="Hand">
+                        <Button.Resources>
+                            <Style TargetType="TextBlock">
+                                <Setter Property="Text" Value="⊗ 开机自启: 关"/>
+                                <Style.Triggers>
+                                    <DataTrigger Binding="{Binding IsAutoStart}" Value="True">
+                                        <Setter Property="Text" Value="✔ 开机自启: 开"/>
+                                    </DataTrigger>
+                                </Style.Triggers>
+                            </Style>
+                        </Button.Resources>
+                        <TextBlock VerticalAlignment="Center" TextAlignment="Center"/>
+                    </Button>
+
+                    <Button Grid.Row="4"
                             Command="{Binding ToggleThemeCommand}"
                             Background="Transparent"
                             BorderThickness="1"
diff --git a/PersonalToolBox/Views/MainWindow.xaml.cs b/PersonalToolBox/Views/MainWindow.xaml.cs
index 0de5930..b56c8b1 100644
--- a/PersonalToolBox/Views/MainWindow.xaml.cs
+++ b/PersonalToolBox/Views/MainWindow.xaml.cs
@@ -1,8 +1,11 @@
 using System;
 using System.Collections.Specialized;
+using System.ComponentModel;
+using System.Drawing;
 using System.Globalization;
 using System.Windows;
 using System.Windows.Data;
+using System.Windows.Forms;
 using System.Windows.Interop;
 using PersonalToolBox.Helpers;
 using PersonalToolBox.ViewModels;
@@ -13,6 +16,8 @@ public partial class MainWindow : Window
 {
     private readonly MainViewModel _viewModel;
     private readonly HotKeyManager _hotKeyManager;
+    private NotifyIcon? _notifyIcon;
+    private bool _canActuallyClose;
 
     public MainWindow(MainViewModel viewModel, HotKeyManager hotKeyManager)
     {
@@ -23,6 +28,8 @@ public partial class MainWindow : Window
         DataContext = viewModel;
 
         viewModel.Logs.CollectionChanged += OnLogsCollectionChanged;
+
+        CreateTrayIcon();
     }
 
     /// <summary>
@@ -34,17 +41,108 @@ public partial class MainWindow : Window
 
         var hwndSource = (HwndSource)PresentationSource.FromVisual(this)!;
         _hotKeyManager.Initialize(hwndSource.Handle);
-
-        // 挂载 WndProc 钩子，拦截 WM_HOTKEY 消息
         hwndSource.AddHook(WndProcHook);
-
-        // 注册所有已配置快捷键的工具
         _viewModel.RegisterAllHotKeys();
     }
 
+    // ──────────────── 系统托盘 ────────────────
+
     /// <summary>
-    /// 窗口消息钩子
+    /// 创建系统托盘图标及右键菜单
     /// </summary>
+    private void CreateTrayIcon()
+    {
+        _notifyIcon = new NotifyIcon
+        {
+            Icon = CreateAppIcon(),
+            Visible = true,
+            Text = "个人工具箱"
+        };
+
+        _notifyIcon.MouseClick += (s, e) =>
+        {
+            if (e.Button == MouseButtons.Left)
+                ToggleVisibility();
+        };
+
+        var menu = new ContextMenuStrip();
+        menu.Items.Add("显示主界面", null, (_, _) => ShowMainWindow());
+        menu.Items.Add("设置", null, (_, _) => OpenSettings());
+        menu.Items.Add(new ToolStripSeparator());
+        menu.Items.Add("彻底退出", null, (_, _) => ExitApplication());
+        _notifyIcon.ContextMenuStrip = menu;
+    }
+
+    /// <summary>
+    /// 程序化生成 32x32 托盘图标
+    /// </summary>
+    private static System.Drawing.Icon CreateAppIcon()
+    {
+        var bmp = new System.Drawing.Bitmap(32, 32);
+        using var g = System.Drawing.Graphics.FromImage(bmp);
+        g.Clear(System.Drawing.Color.FromArgb(30, 30, 46));
+        using var font = new System.Drawing.Font(System.Drawing.FontFamily.GenericSansSerif, 16, System.Drawing.FontStyle.Bold);
+        using var brush = new System.Drawing.SolidBrush(System.Drawing.Color.FromArgb(137, 180, 250));
+        g.DrawString("T", font, brush, new System.Drawing.PointF(6, 3));
+        return System.Drawing.Icon.FromHandle(bmp.GetHicon());
+    }
+
+    /// <summary>
+    /// 左键托盘图标：切换窗口显示/隐藏
+    /// </summary>
+    private void ToggleVisibility()
+    {
+        if (IsVisible)
+            Hide();
+        else
+            ShowMainWindow();
+    }
+
+    /// <summary>
+    /// 显示主窗口并置前
+    /// </summary>
+    private void ShowMainWindow()
+    {
+        Show();
+        WindowState = WindowState.Normal;
+        Activate();
+    }
+
+    /// <summary>
+    /// 打开设置（当前无额外设置界面，提示使用内置功能）
+    /// </summary>
+    private void OpenSettings()
+    {
+        ShowMainWindow();
+        _viewModel.LogServiceMessage("设置功能可通过左侧栏管理分类和主题切换");
+    }
+
+    /// <summary>
+    /// 彻底退出程序
+    /// </summary>
+    public void ExitApplication()
+    {
+        _canActuallyClose = true;
+        _notifyIcon?.Dispose();
+        _hotKeyManager.Dispose();
+        System.Windows.Application.Current.Shutdown();
+    }
+
+    /// <summary>
+    /// 点击关闭按钮时隐藏窗口而非退出
+    /// </summary>
+    protected override void OnClosing(CancelEventArgs e)
+    {
+        if (!_canActuallyClose)
+        {
+            e.Cancel = true;
+            Hide();
+        }
+        base.OnClosing(e);
+    }
+
+    // ──────────────── 其他 ────────────────
+
     private IntPtr WndProcHook(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled)
     {
         handled = _hotKeyManager.TryHandleMessage(msg, wParam, lParam);