diff --git a/AIStudio.Wpf.DiagramDesigner/ViewModels/DefaultViewModel/BlockDesignerItemViewModel.cs b/AIStudio.Wpf.DiagramDesigner/ViewModels/DefaultViewModel/BlockDesignerItemViewModel.cs
index b2be125..1a74441 100644
--- a/AIStudio.Wpf.DiagramDesigner/ViewModels/DefaultViewModel/BlockDesignerItemViewModel.cs
+++ b/AIStudio.Wpf.DiagramDesigner/ViewModels/DefaultViewModel/BlockDesignerItemViewModel.cs
@@ -121,7 +121,11 @@ namespace AIStudio.Wpf.DiagramDesigner
             child.RemoveFromSelection();
             this.AddToSelection(true, false);
 
-            AlignNext(this.Next);
+            System.Windows.Application.Current?.Dispatcher.BeginInvoke(new Action(async () => {
+                await Task.Delay(1000);
+                AlignNext(this.Next);
+            }));
+           
         }
 
         public virtual void RemoveChild(BlockDesignerItemViewModel child)
@@ -129,7 +133,10 @@ namespace AIStudio.Wpf.DiagramDesigner
             this.RemoveFromSelection();
             child.AddToSelection(true, false);
 
-            AlignNext(this.Next);
+            System.Windows.Application.Current?.Dispatcher.BeginInvoke(new Action(async () => {
+                await Task.Delay(1000);
+                AlignNext(this.Next);
+            }));
         }
 
         public ObservableCollection<ItemsContainerInfo> Contains