diff --git a/BetterGenshinImpact/App.xaml.cs b/BetterGenshinImpact/App.xaml.cs
index 0da6eb9c..a266c522 100644
--- a/BetterGenshinImpact/App.xaml.cs
+++ b/BetterGenshinImpact/App.xaml.cs
@@ -17,9 +17,11 @@ using BetterGenshinImpact.Service.Notification;
 using BetterGenshinImpact.Service.Notifier;
 using BetterGenshinImpact.View;
 using BetterGenshinImpact.View.Pages;
+using BetterGenshinImpact.View.Windows;
 using BetterGenshinImpact.ViewModel;
 using BetterGenshinImpact.ViewModel.Pages;
 using BetterGenshinImpact.ViewModel.Pages.View;
+using BetterGenshinImpact.ViewModel.Windows;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
 using Microsoft.Extensions.Logging;
@@ -114,6 +116,8 @@ public partial class App : Application
                 services.AddView<SchedulerPage, SchedulerViewModel>();
                 services.AddView<GearTaskListPage, GearTaskListPageViewModel>();
                 services.AddView<GearTriggerPage, GearTriggerPageViewModel>();
+                services.AddTransient<TaskDefinitionEditWindow>();
+                services.AddTransient<TaskDefinitionEditWindowViewModel>();
 
 
                 // 一条龙 ViewModels
diff --git a/BetterGenshinImpact/View/Pages/GearTaskListPage.xaml b/BetterGenshinImpact/View/Pages/GearTaskListPage.xaml
index 8ceac4db..e6921857 100644
--- a/BetterGenshinImpact/View/Pages/GearTaskListPage.xaml
+++ b/BetterGenshinImpact/View/Pages/GearTaskListPage.xaml
@@ -134,13 +134,6 @@
                            Content="新建"
                            Icon="{ui:SymbolIcon Add24}"
                            Margin="0,0,4,0" />
-                <ui:Button Command="{Binding SaveToJsonCommand}"
-                           Content="保存"
-                           Icon="{ui:SymbolIcon Save24}"
-                           Margin="0,0,4,0" />
-                <ui:Button Command="{Binding LoadFromJsonCommand}"
-                           Content="加载"
-                           Icon="{ui:SymbolIcon Open24}" />
             </StackPanel>
 
             <!-- 任务定义列表 -->
@@ -159,6 +152,20 @@
                          dd:DragDrop.DropHandler="{Binding}"
                          dd:DragDrop.UseDefaultDragAdorner="True"
                          Padding="4">
+                    <ListBox.ContextMenu>
+                        <ContextMenu>
+                            <MenuItem Header="新增任务定义"
+                                      Command="{Binding AddTaskDefinitionCommand}"
+                                      Icon="{ui:SymbolIcon Add24}" />
+                            <Separator />
+                            <MenuItem Header="编辑选中项"
+                                      Command="{Binding EditSelectedTaskDefinitionCommand}"
+                                      Icon="{ui:SymbolIcon Edit24}" />
+                            <MenuItem Header="删除选中项"
+                                      Command="{Binding DeleteSelectedTaskDefinitionCommand}"
+                                      Icon="{ui:SymbolIcon Delete24}" />
+                        </ContextMenu>
+                    </ListBox.ContextMenu>
                     <ListBox.ItemContainerStyle>
                         <Style TargetType="ListBoxItem">
                             <Setter Property="HorizontalContentAlignment" Value="Stretch" />
diff --git a/BetterGenshinImpact/View/Windows/TaskDefinitionEditWindow.xaml b/BetterGenshinImpact/View/Windows/TaskDefinitionEditWindow.xaml
new file mode 100644
index 00000000..fa4b7e66
--- /dev/null
+++ b/BetterGenshinImpact/View/Windows/TaskDefinitionEditWindow.xaml
@@ -0,0 +1,73 @@
+<ui:FluentWindow x:Class="BetterGenshinImpact.View.Windows.TaskDefinitionEditWindow"
+                 xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+                 xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+                 xmlns:ui="http://schemas.lepo.co/wpfui/2022/xaml"
+                 Width="450"
+                 Height="280"
+                 MinWidth="400"
+                 MinHeight="250"
+                 ui:Design.Background="{DynamicResource ApplicationBackgroundBrush}"
+                 ui:Design.Foreground="{DynamicResource TextFillColorPrimaryBrush}"
+                 ExtendsContentIntoTitleBar="True"
+                 FontFamily="{DynamicResource TextThemeFontFamily}"
+                 WindowStartupLocation="CenterOwner"
+                 WindowStyle="SingleBorderWindow">
+    
+    <Grid>
+        <Grid.RowDefinitions>
+            <RowDefinition Height="Auto" />
+            <RowDefinition Height="*" />
+            <RowDefinition Height="Auto" />
+        </Grid.RowDefinitions>
+
+        <!-- 内容部分 -->
+        <Grid Grid.Row="1" Margin="12,12,12,0">
+            <Grid.RowDefinitions>
+                <RowDefinition Height="Auto" />
+                <RowDefinition Height="Auto" />
+                <RowDefinition Height="*" />
+            </Grid.RowDefinitions>
+
+            <!-- 名称输入 -->
+            <StackPanel Grid.Row="0" Margin="5,5,5,15">
+                <ui:TextBlock Text="名称:" Margin="0,0,0,5" FontWeight="Medium" />
+                <ui:TextBox x:Name="NameTextBox"
+                            Text="{Binding Name, UpdateSourceTrigger=PropertyChanged}"
+                            PlaceholderText="请输入任务定义名称" />
+            </StackPanel>
+
+            <!-- 描述输入 -->
+            <StackPanel Grid.Row="1" Margin="5,0,5,5">
+                <ui:TextBlock Text="描述:" Margin="0,0,0,5" FontWeight="Medium" />
+                <ui:TextBox Text="{Binding Description, UpdateSourceTrigger=PropertyChanged}"
+                            PlaceholderText="请输入任务定义描述（可选）" />
+            </StackPanel>
+        </Grid>
+
+        <!-- 按钮部分 -->
+        <Grid Grid.Row="2" Margin="12">
+            <StackPanel HorizontalAlignment="Right" Orientation="Horizontal">
+                <ui:Button Name="BtnOk"
+                           Margin="5"
+                           Appearance="Primary"
+                           Command="{Binding ConfirmCommand}"
+                           Content="确定"
+                           IsDefault="True"
+                           MinWidth="80" />
+                <ui:Button Name="BtnCancel"
+                           Margin="5"
+                           Command="{Binding CancelCommand}"
+                           Content="取消"
+                           IsCancel="True"
+                           MinWidth="80" />
+            </StackPanel>
+        </Grid>
+
+        <!-- 标题栏 -->
+        <ui:TitleBar Name="MyTitleBar" Grid.Row="0" Title="任务定义编辑">
+            <ui:TitleBar.Icon>
+                <ui:ImageIcon Source="pack://application:,,,/Resources/Images/logo.png" />
+            </ui:TitleBar.Icon>
+        </ui:TitleBar>
+    </Grid>
+</ui:FluentWindow>
\ No newline at end of file
diff --git a/BetterGenshinImpact/View/Windows/TaskDefinitionEditWindow.xaml.cs b/BetterGenshinImpact/View/Windows/TaskDefinitionEditWindow.xaml.cs
new file mode 100644
index 00000000..b37f2e3a
--- /dev/null
+++ b/BetterGenshinImpact/View/Windows/TaskDefinitionEditWindow.xaml.cs
@@ -0,0 +1,42 @@
+using BetterGenshinImpact.Helpers.Ui;
+using BetterGenshinImpact.ViewModel.Windows;
+using System;
+using System.Windows;
+using Wpf.Ui.Controls;
+
+namespace BetterGenshinImpact.View.Windows;
+
+public partial class TaskDefinitionEditWindow : FluentWindow
+{
+    public TaskDefinitionEditWindowViewModel ViewModel { get; }
+
+    public TaskDefinitionEditWindow(TaskDefinitionEditWindowViewModel viewModel)
+    {
+        ViewModel = viewModel;
+        DataContext = viewModel;
+        InitializeComponent();
+        
+        // 设置窗口关闭事件
+        ViewModel.RequestClose += (sender, result) =>
+        {
+            DialogResult = result;
+            Close();
+        };
+        
+        // 窗口加载和初始化事件
+        this.Loaded += TaskDefinitionEditWindowLoaded;
+        this.SourceInitialized += TaskDefinitionEditWindow_SourceInitialized;
+    }
+
+    private void TaskDefinitionEditWindow_SourceInitialized(object? sender, EventArgs e)
+    {
+        // 应用与主窗口相同的背景主题
+        WindowHelper.TryApplySystemBackdrop(this);
+    }
+
+    private void TaskDefinitionEditWindowLoaded(object sender, RoutedEventArgs e)
+    {
+        // 自动聚焦到名称输入框
+        NameTextBox.Focus();
+    }
+}
\ No newline at end of file
diff --git a/BetterGenshinImpact/ViewModel/Pages/GearTaskListPageViewModel.cs b/BetterGenshinImpact/ViewModel/Pages/GearTaskListPageViewModel.cs
index 8b25ca37..b9f78ccf 100644
--- a/BetterGenshinImpact/ViewModel/Pages/GearTaskListPageViewModel.cs
+++ b/BetterGenshinImpact/ViewModel/Pages/GearTaskListPageViewModel.cs
@@ -14,6 +14,9 @@ using BetterGenshinImpact.Service;
 using System.Threading.Tasks;
 using System.Collections.Specialized;
 using GongSolutions.Wpf.DragDrop;
+using BetterGenshinImpact.View.Windows;
+using BetterGenshinImpact.ViewModel.Windows;
+using Microsoft.Extensions.DependencyInjection;
 
 namespace BetterGenshinImpact.ViewModel.Pages;
 
@@ -214,15 +217,31 @@ public partial class GearTaskListPageViewModel : ViewModel
     [RelayCommand]
     private async Task AddTaskDefinition()
     {
-        var newTask = new GearTaskDefinitionViewModel($"新任务组 {TaskDefinitions.Count + 1}", "新创建的任务组");
-        // 设置新任务的order为当前最大值+1
-        newTask.Order = TaskDefinitions.Count > 0 ? TaskDefinitions.Max(t => t.Order) + 1 : 0;
-        TaskDefinitions.Add(newTask);
-        SetupTaskDefinitionPropertyChanged(newTask);
-        SelectedTaskDefinition = newTask;
+        var editViewModel = App.GetService<TaskDefinitionEditWindowViewModel>();
+        if (editViewModel == null) return;
         
-        // 自动保存到文件
-        await _storageService.SaveTaskDefinitionAsync(newTask);
+        editViewModel.Name = $"新任务组{TaskDefinitions.Count + 1}";
+        editViewModel.Description = "";
+        
+        var editWindow = App.GetService<TaskDefinitionEditWindow>();
+        if (editWindow == null) return;
+        
+        editWindow.ViewModel.Name = editViewModel.Name;
+        editWindow.ViewModel.Description = editViewModel.Description;
+        editWindow.Owner = Application.Current.MainWindow;
+        
+        if (editWindow.ShowDialog() == true)
+        {
+            var newTask = new GearTaskDefinitionViewModel(editWindow.ViewModel.Name, editWindow.ViewModel.Description);
+            // 设置新任务的order为当前最大值+1
+            newTask.Order = TaskDefinitions.Count > 0 ? TaskDefinitions.Max(t => t.Order) + 1 : 0;
+            TaskDefinitions.Add(newTask);
+            SetupTaskDefinitionPropertyChanged(newTask);
+            SelectedTaskDefinition = newTask;
+            
+            // 自动保存到文件
+            await _storageService.SaveTaskDefinitionAsync(newTask);
+        }
     }
 
     /// <summary>
@@ -250,6 +269,51 @@ public partial class GearTaskListPageViewModel : ViewModel
         }
     }
 
+    /// <summary>
+    /// 编辑选中的任务定义
+    /// </summary>
+    [RelayCommand]
+    private async Task EditSelectedTaskDefinition()
+    {
+        if (SelectedTaskDefinition == null) return;
+        
+        var editViewModel = App.GetService<TaskDefinitionEditWindowViewModel>();
+        if (editViewModel == null) return;
+        
+        editViewModel.Name = SelectedTaskDefinition.Name;
+        editViewModel.Description = SelectedTaskDefinition.Description;
+        
+        var editWindow = App.GetService<TaskDefinitionEditWindow>();
+        if (editWindow == null) return;
+        
+        editWindow.ViewModel.Name = editViewModel.Name;
+        editWindow.ViewModel.Description = editViewModel.Description;
+        editWindow.Owner = Application.Current.MainWindow;
+        
+        if (editWindow.ShowDialog() == true)
+        {
+            SelectedTaskDefinition.Name = editWindow.ViewModel.Name;
+            SelectedTaskDefinition.Description = editWindow.ViewModel.Description;
+            SelectedTaskDefinition.ModifiedTime = DateTime.Now;
+            
+            // 自动保存到文件
+            await _storageService.SaveTaskDefinitionAsync(SelectedTaskDefinition);
+            
+            _logger.LogInformation("编辑了任务定义: {Name}", SelectedTaskDefinition.Name);
+        }
+    }
+
+    /// <summary>
+    /// 删除选中的任务定义
+    /// </summary>
+    [RelayCommand]
+    private async Task DeleteSelectedTaskDefinition()
+    {
+        if (SelectedTaskDefinition == null) return;
+        
+        await DeleteTaskDefinition(SelectedTaskDefinition);
+    }
+
     /// <summary>
     /// 重命名任务定义
     /// </summary>
@@ -375,32 +439,9 @@ public partial class GearTaskListPageViewModel : ViewModel
     }
 
     /// <summary>
-    /// 保存所有任务定义到JSON文件
+    /// 从JSON文件重新加载所有任务定义（内部使用）
     /// </summary>
-    [RelayCommand]
-    private async Task SaveToJson()
-    {
-        try
-        {
-            foreach (var taskDefinition in TaskDefinitions)
-            {
-                await _storageService.SaveTaskDefinitionAsync(taskDefinition);
-            }
-            _logger.LogInformation("所有任务定义已保存到JSON文件");
-            MessageBox.Show("保存成功！", "提示", MessageBoxButton.OK, MessageBoxImage.Information);
-        }
-        catch (Exception ex)
-        {
-            _logger.LogError(ex, "保存任务定义到JSON文件时发生错误");
-            MessageBox.Show($"保存失败: {ex.Message}", "错误", MessageBoxButton.OK, MessageBoxImage.Error);
-        }
-    }
-
-    /// <summary>
-    /// 从JSON文件重新加载所有任务定义
-    /// </summary>
-    [RelayCommand]
-    private async Task LoadFromJson()
+    private async Task LoadFromJsonInternal()
     {
         try
         {
@@ -414,12 +455,10 @@ public partial class GearTaskListPageViewModel : ViewModel
             }
             
             _logger.LogInformation("从JSON文件重新加载了 {Count} 个任务定义", loadedTasks.Count);
-            MessageBox.Show($"加载成功！共加载 {loadedTasks.Count} 个任务定义", "提示", MessageBoxButton.OK, MessageBoxImage.Information);
         }
         catch (Exception ex)
         {
             _logger.LogError(ex, "从JSON文件加载任务定义时发生错误");
-            MessageBox.Show($"加载失败: {ex.Message}", "错误", MessageBoxButton.OK, MessageBoxImage.Error);
         }
     }
 
diff --git a/BetterGenshinImpact/ViewModel/Windows/TaskDefinitionEditWindowViewModel.cs b/BetterGenshinImpact/ViewModel/Windows/TaskDefinitionEditWindowViewModel.cs
new file mode 100644
index 00000000..e8b7e864
--- /dev/null
+++ b/BetterGenshinImpact/ViewModel/Windows/TaskDefinitionEditWindowViewModel.cs
@@ -0,0 +1,45 @@
+using System;
+using System.ComponentModel.DataAnnotations;
+using CommunityToolkit.Mvvm.ComponentModel;
+using CommunityToolkit.Mvvm.Input;
+
+namespace BetterGenshinImpact.ViewModel.Windows;
+
+public partial class TaskDefinitionEditWindowViewModel : ObservableValidator
+{
+    [ObservableProperty]
+    [Required(ErrorMessage = "名称不能为空")]
+    private string _name = "";
+
+    [ObservableProperty]
+    private string _description = "";
+
+    public event EventHandler<bool>? RequestClose;
+
+    public TaskDefinitionEditWindowViewModel()
+    {
+    }
+
+    public TaskDefinitionEditWindowViewModel(string name, string description = "")
+    {
+        Name = name;
+        Description = description;
+    }
+
+    [RelayCommand]
+    private void Confirm()
+    {
+        if (string.IsNullOrWhiteSpace(Name))
+        {
+            return;
+        }
+
+        RequestClose?.Invoke(this, true);
+    }
+
+    [RelayCommand]
+    private void Cancel()
+    {
+        RequestClose?.Invoke(this, false);
+    }
+}
\ No newline at end of file