diff --git a/MainModule/ViewModels/MainViewModel.cs b/MainModule/ViewModels/MainViewModel.cs
index db8d819..a945827 100644
--- a/MainModule/ViewModels/MainViewModel.cs
+++ b/MainModule/ViewModels/MainViewModel.cs
@@ -15,41 +15,41 @@ namespace MainModule.ViewModels
         private bool IsInitialized = false;
         private string _expandedCellName = string.Empty;
         #endregion
-        
+
         #region 属性
         public bool KeepAlive => true; // 保持存活
-        
+
         public string ExpandedCellName
         {
             get => _expandedCellName;
             set => SetProperty(ref _expandedCellName, value);
         }
         #endregion
-        
+
         #region 命令
         public ICommand LoadedCommand { get; set; }
         #endregion
-        
+
         public MainViewModel(IContainerProvider containerProvider) : base(containerProvider)
         {
             LoadedCommand = new DelegateCommand(OnLoaded);
             _eventAggregator.GetEvent<ExpandViewEvent>().Subscribe(OnCellExpandRequested);
         }
-        
+
         #region 命令处理与事件
         private void OnLoaded()
         {
             if (IsInitialized) return;
-            for (int i = 1; i <= 9; i++)
+            for (int i = 1; i <= 3; i++)
             {
                 var parameters = new NavigationParameters { { "Name", $"TestCell{i}" } };
                 _regionManager.RequestNavigate($"TestCell{i}", "ProtocolStartView", parameters);
             }
             IsInitialized = true;
         }
-        
+
         // 不再物理搬迁视图，只需修改一个字符串属性 ExpandedCellName，
-        // XAML 里每个单元的 Style.Triggers 会根据该值处理隐藏 / 跨越 3x3。
+        // XAML 里每个单元的 Style.Triggers 会根据该值处理隐藏 / 跨越整行。
         private void OnCellExpandRequested(string cellName)
         {
             ExpandedCellName = cellName ?? string.Empty;
diff --git a/MainModule/Views/MainView.xaml b/MainModule/Views/MainView.xaml
index 422b67c..aeba143 100644
--- a/MainModule/Views/MainView.xaml
+++ b/MainModule/Views/MainView.xaml
@@ -24,75 +24,9 @@
 
         <!-- 顶部的选项卡，切换 3 个台架 -->
         <TabControl Margin="5">
-
-            <TabControl.Resources>
-                <!-- 1. 去除 TabControl 原生的丑陋边框和灰色背景 -->
-                <Style TargetType="TabControl">
-                    <Setter Property="Background" Value="Transparent"/>
-                    <Setter Property="BorderThickness" Value="0"/>
-                    <Setter Property="Padding" Value="0,5,0,0"/>
-                </Style>
-
-                <!-- 2. 美化 TabItem 标签头 -->
-                <Style TargetType="TabItem">
-                    <Setter Property="FontSize" Value="16"/>
-                    <Setter Property="FontWeight" Value="SemiBold"/>
-                    <Setter Property="Foreground" Value="#8C8C8C"/>
-                    <!-- 默认灰字 -->
-                    <Setter Property="Background" Value="Transparent"/>
-                    <Setter Property="Padding" Value="25,12"/>
-                    <!-- 撑大点击区域 -->
-                    <Setter Property="Margin" Value="0,0,4,0"/>
-                    <!-- 标签之间的间距 -->
-                    <Setter Property="Cursor" Value="Hand"/>
-
-                    <!-- 核心魔法：重写外观结构 -->
-                    <Setter Property="Template">
-                        <Setter.Value>
-                            <ControlTemplate TargetType="TabItem">
-                                <!-- 用一个带底部边框的 Border 包装文字 -->
-                                <Border Name="Border" 
-                                        Background="{TemplateBinding Background}" 
-                                        BorderBrush="Transparent" 
-                                        BorderThickness="0,0,0,3" 
-                                        CornerRadius="4,4,0,0">
-                                    <ContentPresenter x:Name="ContentSite"
-                                                      VerticalAlignment="Center"
-                                                      HorizontalAlignment="Center"
-                                                      ContentSource="Header"
-                                                      Margin="{TemplateBinding Padding}"/>
-                                </Border>
-                                <ControlTemplate.Triggers>
-                                    <!-- 交互状态1：鼠标悬浮 -->
-                                    <Trigger Property="IsMouseOver" Value="True">
-                                        <Setter TargetName="Border" Property="Background" Value="#E6E6E6"/>
-                                        <Setter Property="Foreground" Value="#595959"/>
-                                    </Trigger>
-
-                                    <!-- 交互状态2：被选中 -->
-                                    <Trigger Property="IsSelected" Value="True">
-                                        <Setter TargetName="Border" Property="Background" Value="White"/>
-                                        <!-- 选中时的底部指示条颜色（蓝色） -->
-                                        <Setter TargetName="Border" Property="BorderBrush" Value="#007ACC"/>
-                                        <!-- 选中时的字体颜色（蓝色） -->
-                                        <Setter Property="Foreground" Value="#007ACC"/>
-                                    </Trigger>
-                                </ControlTemplate.Triggers>
-                            </ControlTemplate>
-                        </Setter.Value>
-                    </Setter>
-
-                    <Style.Triggers>
-                        <!-- ！！！这是你原有的全屏隐藏逻辑！完美保留！！！ -->
-                        <DataTrigger Binding="{Binding ExpandedCellName, Converter={StaticResource StringToVisibilityConverter}}" Value="Visible">
-                            <Setter Property="Visibility" Value="Collapsed"/>
-                        </DataTrigger>
-                    </Style.Triggers>
-                </Style>
-            </TabControl.Resources>
-
-            <!-- 标签页 1 -->
-            <TabItem Header="台架 1 (Bench 1)">
+            <!-- 标签页 1：Inverse 参数 = 展开全屏（ExpandedCellName 非空）时隐藏标签页，不动主题样式 -->
+            <TabItem Header="台架 1 (Bench 1)"
+                     Visibility="{Binding ExpandedCellName, Converter={StaticResource StringToVisibilityConverter}, ConverterParameter=Inverse}">
                 <!-- 加一个白底包裹，显得更像现代卡片 -->
                 <Border Background="White" CornerRadius="0,4,4,4" Margin="0" BorderThickness="0" Padding="5">
                     <ContentControl prism:RegionManager.RegionName="TestCell1" />
@@ -100,14 +34,16 @@
             </TabItem>
 
             <!-- 标签页 2 -->
-            <TabItem Header="台架 2 (Bench 2)">
+            <TabItem Header="台架 2 (Bench 2)"
+                     Visibility="{Binding ExpandedCellName, Converter={StaticResource StringToVisibilityConverter}, ConverterParameter=Inverse}">
                 <Border Background="White" CornerRadius="0,4,4,4" Margin="0" BorderThickness="0" Padding="5">
                     <ContentControl prism:RegionManager.RegionName="TestCell2" />
                 </Border>
             </TabItem>
 
             <!-- 标签页 3 -->
-            <TabItem Header="台架 3 (Bench 3)">
+            <TabItem Header="台架 3 (Bench 3)"
+                     Visibility="{Binding ExpandedCellName, Converter={StaticResource StringToVisibilityConverter}, ConverterParameter=Inverse}">
                 <Border Background="White" CornerRadius="0,4,4,4" Margin="0" BorderThickness="0" Padding="5">
                     <ContentControl prism:RegionManager.RegionName="TestCell3" />
                 </Border>
diff --git a/TestingModule/Views/CommandTree.xaml b/TestingModule/Views/CommandTree.xaml
index 6d5fe1d..45bd7d3 100644
--- a/TestingModule/Views/CommandTree.xaml
+++ b/TestingModule/Views/CommandTree.xaml
@@ -54,7 +54,7 @@
                         <HierarchicalDataTemplate DataType="{x:Type model:InstructionNodeVM}"
                                                   ItemsSource="{Binding Children}">
                             <TextBlock Text="{Binding Name}" ToolTip="{Binding Tooltip}"/>
-
+                         
                         </HierarchicalDataTemplate>
                     </TreeView.Resources>
                     <!-- 双击 -->
diff --git a/TestingModule/Views/SingleStepEdit.xaml b/TestingModule/Views/SingleStepEdit.xaml
index cf3762c..8adf085 100644
--- a/TestingModule/Views/SingleStepEdit.xaml
+++ b/TestingModule/Views/SingleStepEdit.xaml
@@ -103,7 +103,7 @@
                                     <DataTemplate>
                                         <Grid>
                                             <Grid.ColumnDefinitions>
-                                                <ColumnDefinition Width="100" />
+                                                <ColumnDefinition Width="*" />
                                                 <ColumnDefinition Width="50" />
                                                 <ColumnDefinition />
                                             </Grid.ColumnDefinitions>
@@ -240,7 +240,7 @@
                                     <DataTemplate>
                                         <Grid Visibility="{Binding Category, Converter={StaticResource ParameterCategoryToVisibilityConverter}, ConverterParameter=Item}">
                                             <Grid.ColumnDefinitions>
-                                                <ColumnDefinition Width="100" />
+                                                <ColumnDefinition Width="*" />
                                                 <ColumnDefinition Width="50" />
                                                 <ColumnDefinition />
                                             </Grid.ColumnDefinitions>
diff --git a/TestingModule/Views/StepsManager.xaml b/TestingModule/Views/StepsManager.xaml
index 5672702..300ce10 100644
--- a/TestingModule/Views/StepsManager.xaml
+++ b/TestingModule/Views/StepsManager.xaml
@@ -53,6 +53,10 @@
                                 <i:InvokeCommandAction Command="{Binding SelectionChangedCommand}"
                                                        CommandParameter="{Binding SelectedItems, RelativeSource={RelativeSource AncestorType=DataGrid}}" />
                             </i:EventTrigger>
+                            <i:EventTrigger EventName="ContextMenuOpening">
+                                <i:InvokeCommandAction Command="{Binding SelectionChangedCommand}"
+                                                       CommandParameter="{Binding SelectedItems, RelativeSource={RelativeSource AncestorType=DataGrid}}" />
+                            </i:EventTrigger>
                         </i:Interaction.Triggers>
                         <!--  行样式  -->
                         <DataGrid.RowStyle>
@@ -174,6 +178,10 @@
                                 <i:InvokeCommandAction Command="{Binding SelectionChangedCommand}"
                                                        CommandParameter="{Binding SelectedItems, RelativeSource={RelativeSource AncestorType=DataGrid}}" />
                             </i:EventTrigger>
+                            <i:EventTrigger EventName="ContextMenuOpening">
+                                <i:InvokeCommandAction Command="{Binding SelectionChangedCommand}"
+                                                       CommandParameter="{Binding SelectedItems, RelativeSource={RelativeSource AncestorType=DataGrid}}" />
+                            </i:EventTrigger>
                         </i:Interaction.Triggers>
                         <!--  行样式  -->
                         <DataGrid.RowStyle>
@@ -262,6 +270,15 @@
                             </ContextMenu>
                         </DataGrid.ContextMenu>
 
+                        <!-- 键盘 删除键绑定 Delete 命令 -->
+                        <!--<i:Interaction.Triggers>
+    <i:EventTrigger EventName="PreviewKeyDown">
+        <i:InvokeCommandAction Command="{Binding DeleteStepCommand}"
+                               CommandParameter="{Binding SelectedStep}"
+                               PassEventArgsToCommand="True" />
+    </i:EventTrigger>
+</i:Interaction.Triggers>-->
+
                     </DataGrid>
                     </DockPanel>
                 </TabItem>
diff --git a/UIShare/Converters/StringToVisibilityConverter.cs b/UIShare/Converters/StringToVisibilityConverter.cs
index 117a31d..61e363e 100644
--- a/UIShare/Converters/StringToVisibilityConverter.cs
+++ b/UIShare/Converters/StringToVisibilityConverter.cs
@@ -13,18 +13,20 @@ namespace UIShare.Converters
     {
         public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
         {
+            // 是否反转结果（字符串非空时返回 Collapsed），用于需要“有值则隐藏”的场景，如展开全屏时隐藏台架标签页
+            bool inverse = string.Equals(parameter?.ToString(), "Inverse", StringComparison.OrdinalIgnoreCase);
             if(value is string str)
             {
                 if (string.IsNullOrEmpty(str))
                 {
-                    return Visibility.Collapsed;
+                    return inverse ? Visibility.Visible : Visibility.Collapsed;
                 }
                 else
                 {
-                    return Visibility.Visible;
+                    return inverse ? Visibility.Collapsed : Visibility.Visible;
                 }
             }
-            return Visibility.Collapsed;
+            return inverse ? Visibility.Visible : Visibility.Collapsed;
         }
 
         public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)