diff --git a/BeDesignerSCADA/MainWindow.xaml b/BeDesignerSCADA/MainWindow.xaml
index 3ab8cdae..aad1d999 100644
--- a/BeDesignerSCADA/MainWindow.xaml
+++ b/BeDesignerSCADA/MainWindow.xaml
@@ -28,12 +28,16 @@
             <ColumnDefinition/>
             <ColumnDefinition Width="350"/>
         </Grid.ColumnDefinitions>
-        <!--<icon:PackIconMaterial x:Name="icon"  Kind="LineScan" BorderThickness="1" VerticalAlignment="Stretch" Width="24" HorizontalAlignment="Stretch"/>-->
-        <!--左侧控件栏-->
-        <Border BorderThickness="1" BorderBrush="{StaticResource AccentBrush}"   Margin="4">
-            <ListBox x:Name="CtlList" Background="Transparent" ItemTemplate="{DynamicResource ToolBoxStyle}" BorderThickness="0" PreviewMouseMove="CtlList_PreviewMouseMove">
-            </ListBox>
-        </Border>
+
+        <!--左侧选择区域-->
+        <Grid >
+            <Border BorderThickness="1" BorderBrush="{StaticResource AccentBrush}"   Margin="4">
+                <ListBox x:Name="CtlList" Background="Transparent" ItemTemplate="{DynamicResource ToolBoxStyle}" BorderThickness="0" PreviewMouseMove="CtlList_PreviewMouseMove">
+                </ListBox>
+            </Border>
+        </Grid>
+        
+        
 
         <!--中间控制区域-->
         <DockPanel Grid.Column="1">
diff --git a/BeDesignerSCADA/MainWindow.xaml.cs b/BeDesignerSCADA/MainWindow.xaml.cs
index d3764929..0adaeee1 100644
--- a/BeDesignerSCADA/MainWindow.xaml.cs
+++ b/BeDesignerSCADA/MainWindow.xaml.cs
@@ -367,10 +367,8 @@ namespace BeDesignerSCADA
                 {
                     System.Windows.Controls.ComboBox toggle = (System.Windows.Controls.ComboBox)sender;
                     Xceed.Wpf.Toolkit.PropertyGrid.PropertyItem propertyGridCommand = toggle.DataContext as Xceed.Wpf.Toolkit.PropertyGrid.PropertyItem;
-                    if (toggle.Tag != null)
+                    if (toggle.Tag != null && !string.IsNullOrEmpty(toggle.Text))
                         propertyGridCommand.Value = "{" + $"Binding {toggle.Tag}.{toggle.Text}" + "}";
-                    else
-                        propertyGridCommand.Value = "{" + $"Binding {toggle.Tag}." + "}";
                 }
             }
             catch (Exception ex)
@@ -389,7 +387,6 @@ namespace BeDesignerSCADA
             try
             {
                 viewModel.DevValueList = new System.Collections.ObjectModel.ObservableCollection<string>();
-
                 if (sender is System.Windows.Controls.ComboBox)
                 {
                     System.Windows.Controls.ComboBox toggle = (System.Windows.Controls.ComboBox)sender;
@@ -406,6 +403,7 @@ namespace BeDesignerSCADA
             }
            
         }
+
         /// <summary>
         /// 设备名称选择
         /// </summary>
@@ -419,9 +417,9 @@ namespace BeDesignerSCADA
                 {
                     System.Windows.Controls.ComboBox toggle = (System.Windows.Controls.ComboBox)sender;
                     Xceed.Wpf.Toolkit.PropertyGrid.PropertyItem propertyGridCommand = toggle.DataContext as Xceed.Wpf.Toolkit.PropertyGrid.PropertyItem;
-                    if(toggle.Tag!=null)
+                    if(toggle.Tag!=null && !string.IsNullOrEmpty(toggle.Text))
                         propertyGridCommand.Value = "{" + $"Binding {toggle.Text}.{toggle.Tag}" + "}";
-                    else
+                    else if(!string.IsNullOrEmpty(toggle.Text))
                         propertyGridCommand.Value = "{" + $"Binding {toggle.Text}." + "}";
 
                 }
@@ -432,7 +430,6 @@ namespace BeDesignerSCADA
             }
         }
 
-
         private void namebox_DropDownOpened(object sender,EventArgs e)
         {
             viewModel.DevNameList = new System.Collections.ObjectModel.ObservableCollection<string>();