diff --git a/AIStudio.Wpf.DiagramHelper/Controls/ComboBox.xaml b/AIStudio.Wpf.DiagramHelper/Controls/ComboBox.xaml
index d49e87b..c3904e2 100644
--- a/AIStudio.Wpf.DiagramHelper/Controls/ComboBox.xaml
+++ b/AIStudio.Wpf.DiagramHelper/Controls/ComboBox.xaml
@@ -9,7 +9,6 @@
         <Setter Property="ScrollViewer.HorizontalScrollBarVisibility" Value="Auto"/>
         <Setter Property="ScrollViewer.VerticalScrollBarVisibility" Value="Auto"/>
         <Setter Property="ScrollViewer.CanContentScroll" Value="True"/>
-        <Setter Property="IsSynchronizedWithCurrentItem" Value="True"/>
         <Setter Property="Template">
             <Setter.Value>
                 <ControlTemplate TargetType="ComboBox">
diff --git a/AIStudio.Wpf.DiagramHelper/Controls/MultiSelectComboBox.xaml.cs b/AIStudio.Wpf.DiagramHelper/Controls/MultiSelectComboBox.xaml.cs
index 25e2288..bebcd52 100644
--- a/AIStudio.Wpf.DiagramHelper/Controls/MultiSelectComboBox.xaml.cs
+++ b/AIStudio.Wpf.DiagramHelper/Controls/MultiSelectComboBox.xaml.cs
@@ -100,6 +100,8 @@ namespace AIStudio.Wpf.DiagramHelper.Controls
         {
             MultiSelectComboBox control = (MultiSelectComboBox)d;
             control.DisplayInControl();
+            control.SelectNodes();
+            control.SetText();
         }
 
         private static void OnSelectedItemsChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
@@ -238,13 +240,15 @@ namespace AIStudio.Wpf.DiagramHelper.Controls
             StringBuilder displayText = new StringBuilder();
             foreach (Node s in _nodeList)
             {
-                if (s.IsSelected == true && s.Object.ToString() == "All")
-                {
-                    displayText = new StringBuilder();
-                    displayText.Append("All");
-                    break;
-                }
-                else if (s.IsSelected == true && s.Object.ToString() != "All")
+                //不使用ALl来显示
+                //if (s.IsSelected == true && s.Object.ToString() == "All")
+                //{
+                //    displayText = new StringBuilder();
+                //    displayText.Append("All");
+                //    break;
+                //}
+                //else 
+                if (s.IsSelected == true && s.Object.ToString() != "All")
                 {
                     displayText.Append(s.Object);
                     displayText.Append(',');