diff --git a/Demos/AIStudio.Wpf.DiagramDesigner.Demo/ViewModels/LockedViewModel.cs b/Demos/AIStudio.Wpf.DiagramDesigner.Demo/ViewModels/LockedViewModel.cs
index 4cbb72b..1b9cacb 100644
--- a/Demos/AIStudio.Wpf.DiagramDesigner.Demo/ViewModels/LockedViewModel.cs
+++ b/Demos/AIStudio.Wpf.DiagramDesigner.Demo/ViewModels/LockedViewModel.cs
@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Windows;
+using System.Windows.Shapes;
 
 namespace AIStudio.Wpf.DiagramDesigner.Demo.ViewModels
 {
@@ -24,29 +25,30 @@ namespace AIStudio.Wpf.DiagramDesigner.Demo.ViewModels
             DiagramViewModel.ColorViewModel.FillColor.Color = System.Windows.Media.Colors.Orange;
 
             DefaultDesignerItemViewModel node1 = new DefaultDesignerItemViewModel(DiagramViewModel) { Left = 50, Top = 50, Text = "1" };
-            //node1.LockObjectViewModel.LockObject.FirstOrDefault(p => p.LockFlag == LockFlag.All).IsChecked = true;//这个也可以
-            node1.IsReadOnly = true;
             DiagramViewModel.Add(node1);
 
             DefaultDesignerItemViewModel node2 = new DefaultDesignerItemViewModel(DiagramViewModel) { Left = 300, Top = 300, Text = "2" };
-            //node2.LockObjectViewModel.LockObject.FirstOrDefault(p => p.LockFlag == LockFlag.All).IsChecked = true;//这个也可以
-            node2.IsReadOnly = true;
             DiagramViewModel.Add(node2);
 
             DefaultDesignerItemViewModel node3 = new DefaultDesignerItemViewModel(DiagramViewModel) { Left = 300, Top = 50, Text = "3" };
-            //node3.LockObjectViewModel.LockObject.FirstOrDefault(p => p.LockFlag == LockFlag.All).IsChecked = true;//这个也可以
-            node3.IsReadOnly = true;
             DiagramViewModel.Add(node3);
 
             ConnectionViewModel connector1 = new ConnectionViewModel(DiagramViewModel, node1.RightConnector, node2.LeftConnector, DrawMode.ConnectingLineSmooth, RouterMode.RouterNormal);
-            //connector1.LockObjectViewModel.LockObject.FirstOrDefault(p => p.LockFlag == LockFlag.All).IsChecked = true;//这个也可以
-            connector1.IsReadOnly = true;
             DiagramViewModel.Add(connector1);
 
             ConnectionViewModel connector2 = new ConnectionViewModel(DiagramViewModel, node2.RightConnector, node3.RightConnector, DrawMode.ConnectingLineStraight, RouterMode.RouterOrthogonal);
-            // connector2.LockObjectViewModel.LockObject.FirstOrDefault(p => p.LockFlag == LockFlag.All).IsChecked = true;//这个也可以
-            connector2.IsReadOnly = true;
             DiagramViewModel.Add(connector2);
+
+            //node1.LockInfo.LockObject.FirstOrDefault(p => p.LockFlag == LockFlag.All).IsChecked = true;//这个也可以
+            node1.IsReadOnly = true;
+            //node2.LockInfo.LockObject.FirstOrDefault(p => p.LockFlag == LockFlag.All).IsChecked = true;//这个也可以
+            node2.IsReadOnly = true;
+            //node3.LockInfo.LockObject.FirstOrDefault(p => p.LockFlag == LockFlag.All).IsChecked = true;//这个也可以
+            node3.IsReadOnly = true;
+            //link1.LockInfo.LockObject.FirstOrDefault(p => p.LockFlag == LockFlag.All).IsChecked = true;//这个也可以
+            connector1.IsReadOnly = true;
+            // link2.LockInfo.LockObject.FirstOrDefault(p => p.LockFlag == LockFlag.All).IsChecked = true;//这个也可以
+            connector2.IsReadOnly = true;
         }
     }
 }