diff --git a/AIStudio.Wpf.DiagramDesigner/ViewModels/DrawingViewModel/Erasable/DrawingDesignerItemViewModelBase.cs b/AIStudio.Wpf.DiagramDesigner/ViewModels/DrawingViewModel/Erasable/DrawingDesignerItemViewModelBase.cs
index 6b0ae72..1a75eb8 100644
--- a/AIStudio.Wpf.DiagramDesigner/ViewModels/DrawingViewModel/Erasable/DrawingDesignerItemViewModelBase.cs
+++ b/AIStudio.Wpf.DiagramDesigner/ViewModels/DrawingViewModel/Erasable/DrawingDesignerItemViewModelBase.cs
@@ -110,6 +110,8 @@ namespace AIStudio.Wpf.DiagramDesigner
                 IsLoaded = false;
                 if (Geometry != null)
                 {
+                    var left = Geometry.Bounds.Left;
+                    var top = Geometry.Bounds.Top;
                     if (Geometry.Transform is TransformGroup transformGroup)
                     {
                         TranslateTransform translateTransform = transformGroup.Children.OfType<TranslateTransform>().FirstOrDefault();
@@ -130,7 +132,7 @@ namespace AIStudio.Wpf.DiagramDesigner
                         Geometry = Geometry.GetWidenedPathGeometry(aPen); //可擦除，需要把Geometry转成几何图像，所以不能有填充色
 
                     }
-                    UpdateLocation();
+                    UpdateLocation(new Point(left, top));
                 }
                 IsLoaded = true;
             }
@@ -234,21 +236,21 @@ namespace AIStudio.Wpf.DiagramDesigner
             base.AddToSelection(selected, clearother);
         }
 
-        protected virtual void UpdateLocation()
+        protected virtual void UpdateLocation(Point point)
         {
             if (Erasable)
             {
                 ItemWidth = Geometry.Bounds.Width - ColorViewModel.LineWidth * 0.5;
                 ItemHeight = Geometry.Bounds.Height - ColorViewModel.LineWidth * 0.5;
-                Left = Points[0].X;
-                Top = Points[0].Y;
+                Left = point.X;
+                Top = point.Y;
             }
             else
             {
                 ItemWidth = Geometry.Bounds.Width + ColorViewModel.LineWidth * 0.5;
                 ItemHeight = Geometry.Bounds.Height + ColorViewModel.LineWidth * 0.5;
-                Left = Points[0].X;
-                Top = Points[0].Y;
+                Left = point.X;
+                Top = point.Y;
             }
         }
 
diff --git a/AIStudio.Wpf.DiagramDesigner/ViewModels/DrawingViewModel/Erasable/TextDrawingDesignerItemViewModel.cs b/AIStudio.Wpf.DiagramDesigner/ViewModels/DrawingViewModel/Erasable/TextDrawingDesignerItemViewModel.cs
index 74fe327..1954ba6 100644
--- a/AIStudio.Wpf.DiagramDesigner/ViewModels/DrawingViewModel/Erasable/TextDrawingDesignerItemViewModel.cs
+++ b/AIStudio.Wpf.DiagramDesigner/ViewModels/DrawingViewModel/Erasable/TextDrawingDesignerItemViewModel.cs
@@ -56,7 +56,7 @@ namespace AIStudio.Wpf.DiagramDesigner
                         new SolidColorBrush(FontViewModel.FontColor));
 
                     Geometry = formattedText.BuildGeometry(new Point()).GetFlattenedPathGeometry();
-                    UpdateLocation();
+                    UpdateLocation(Points[0]);
                     IsLoaded = true;
                 }
                 this.SelectedDisable = Erasable;
@@ -124,12 +124,12 @@ namespace AIStudio.Wpf.DiagramDesigner
             }
         }
 
-        protected override void UpdateLocation()
+        protected override void UpdateLocation(Point point)
         {
             ItemWidth = Geometry.Bounds.Width + 3;
             ItemHeight = Geometry.Bounds.Height + 3;
-            Left = Points[0].X;
-            Top = Points[0].Y;
+            Left = point.X;
+            Top = point.Y;
         }
     }
 }