diff --git a/AIStudio.Wpf.DiagramApp/ViewModels/DrawingViewModel.cs b/AIStudio.Wpf.DiagramApp/ViewModels/DrawingViewModel.cs
index 11926c0..b75d902 100644
--- a/AIStudio.Wpf.DiagramApp/ViewModels/DrawingViewModel.cs
+++ b/AIStudio.Wpf.DiagramApp/ViewModels/DrawingViewModel.cs
@@ -53,7 +53,7 @@ namespace AIStudio.Wpf.DiagramApp.ViewModels
             DesignerItemViewModelBase ellipse = new EllipseDrawingDesignerItemViewModel(DiagramViewModel, new List<Point> { new Point(238, 38), new Point(318, 118) }, true);
             DiagramViewModel.Add(ellipse);
 
-            TextDrawingDesignerItemViewModel text = new TextDrawingDesignerItemViewModel(DiagramViewModel, new Point(338, 38), "文字", true);
+            TextDrawingDesignerItemViewModel text = new TextDrawingDesignerItemViewModel(DiagramViewModel, new Point(338, 38), "欢迎使用AIStudio画板", true);
             DiagramViewModel.Add(text);
         }
 
diff --git a/AIStudio.Wpf.DiagramDesigner/ViewModels/DrawingViewModel/Erasable/TextDrawingDesignerItemViewModel.cs b/AIStudio.Wpf.DiagramDesigner/ViewModels/DrawingViewModel/Erasable/TextDrawingDesignerItemViewModel.cs
index cfb483b..74fe327 100644
--- a/AIStudio.Wpf.DiagramDesigner/ViewModels/DrawingViewModel/Erasable/TextDrawingDesignerItemViewModel.cs
+++ b/AIStudio.Wpf.DiagramDesigner/ViewModels/DrawingViewModel/Erasable/TextDrawingDesignerItemViewModel.cs
@@ -126,8 +126,8 @@ namespace AIStudio.Wpf.DiagramDesigner
 
         protected override void UpdateLocation()
         {
-            ItemWidth = Geometry.Bounds.Width + 4;
-            ItemHeight = Geometry.Bounds.Height + 4;
+            ItemWidth = Geometry.Bounds.Width + 3;
+            ItemHeight = Geometry.Bounds.Height + 3;
             Left = Points[0].X;
             Top = Points[0].Y;
         }