diff --git a/AIStudio.Wpf.DiagramApp/Views/ToolBoxControl.xaml b/AIStudio.Wpf.DiagramApp/Views/ToolBoxControl.xaml
index 445a487..f36f9fd 100644
--- a/AIStudio.Wpf.DiagramApp/Views/ToolBoxControl.xaml
+++ b/AIStudio.Wpf.DiagramApp/Views/ToolBoxControl.xaml
@@ -25,7 +25,7 @@
             <conventer:IntVisibilityConverter x:Key="IntVisibilityConverter"/>
             <BooleanToVisibilityConverter x:Key="BooleanToVisibilityConverter"/>
             <dd:EnumDescriptionConverter x:Key="EnumDescriptionConverter"/>
-            <command:CommandReference x:Key="DeleteItemCommandReference" Command="{Binding DeleteItemCommand}"/>
+            <command:CommandReference x:Key="DeleteItemCommandReference" Command="{Binding ToolBoxViewModel.DeleteItemCommand}"/>
             <dd:MathConverter x:Key="MathAddConverter" Operation="Add" />
 
             <DataTemplate DataType="{x:Type model:ImageToolBoxData}">
@@ -366,13 +366,13 @@
                         </Grid>
                     </Expander>
                     <StackPanel Orientation="Horizontal" HorizontalAlignment="Right" VerticalAlignment="Top">
-                        <Button Margin="0,5,2,5" ToolTip="导入到我的符号" Command="{Binding DataContext.ImportItemCommand, RelativeSource={RelativeSource Mode=FindAncestor,AncestorType={x:Type UserControl}}}" Width="16" Height="16"  Foreground="{DynamicResource BlackBrush}" Background="{DynamicResource WhiteBrush}" BorderBrush="Transparent">
+                        <Button Margin="0,5,2,5" ToolTip="导入到我的符号" Command="{Binding DataContext.ToolBoxViewModel.ImportItemCommand, RelativeSource={RelativeSource Mode=FindAncestor,AncestorType={x:Type UserControl}}}" Width="16" Height="16"  Foreground="{DynamicResource BlackBrush}" Background="{DynamicResource WhiteBrush}" BorderBrush="Transparent">
                             <Path Stretch="Fill" Margin="2" Fill="{DynamicResource GrayBrush2}" Data="M14,12L10,8V11H2V13H10V16M20,18V6C20,4.89 19.1,4 18,4H6A2,2 0 0,0 4,6V9H6V6H18V18H6V15H4V18A2,2 0 0,0 6,20H18A2,2 0 0,0 20,18Z" ></Path>
                         </Button>
-                        <Button Margin="0,5,2,5" ToolTip="添加到我的符号" Command="{Binding DataContext.AddCommand, RelativeSource={RelativeSource Mode=FindAncestor,AncestorType={x:Type UserControl}}}" Width="16" Height="16"  Foreground="{DynamicResource BlackBrush}" Background="{DynamicResource WhiteBrush}" BorderBrush="Transparent">
+                        <Button Margin="0,5,2,5" ToolTip="添加到我的符号" Command="{Binding DataContext.ToolBoxViewModel.AddCommand, RelativeSource={RelativeSource Mode=FindAncestor,AncestorType={x:Type UserControl}}}" Width="16" Height="16"  Foreground="{DynamicResource BlackBrush}" Background="{DynamicResource WhiteBrush}" BorderBrush="Transparent">
                             <Path Stretch="Fill" Margin="2" Fill="{DynamicResource GrayBrush2}" Data="M938.666667 426.666667h-341.333334V85.333333c0-46.933333-38.4-85.333333-85.333333-85.333333s-85.333333 38.4-85.333333 85.333333v341.333334H85.333333c-46.933333 0-85.333333 38.4-85.333333 85.333333s38.4 85.333333 85.333333 85.333333h341.333334v341.333334c0 46.933333 38.4 85.333333 85.333333 85.333333s85.333333-38.4 85.333333-85.333333v-341.333334h341.333334c46.933333 0 85.333333-38.4 85.333333-85.333333s-38.4-85.333333-85.333333-85.333333z" ></Path>
                         </Button>
-                        <Button Margin="0,5,5,5" ToolTip="移除" Command="{Binding DataContext.DeleteCommand, RelativeSource={RelativeSource Mode=FindAncestor,AncestorType={x:Type UserControl}}}" CommandParameter="{Binding .}" Width="16" Height="16"  Foreground="{DynamicResource BlackBrush}" Background="{DynamicResource WhiteBrush}" BorderBrush="Transparent">
+                        <Button Margin="0,5,5,5" ToolTip="移除" Command="{Binding DataContext.ToolBoxViewModel.DeleteCommand, RelativeSource={RelativeSource Mode=FindAncestor,AncestorType={x:Type UserControl}}}" CommandParameter="{Binding .}" Width="16" Height="16"  Foreground="{DynamicResource BlackBrush}" Background="{DynamicResource WhiteBrush}" BorderBrush="Transparent">
                             <Path Stretch="Fill" Margin="2" Fill="Red" Data="M0.7,0 L5,4.3 L9.3,0 L10,0.7 L5.7,5 L10,9.3 L9.3,10 L5,5.7 L0.7,10 L0,9.3 L4.3,5 L0,0.7 z" ></Path>
                         </Button>
                     </StackPanel>