diff --git a/AIStudio.Wpf.DiagramApp/ViewModels/FlowchartViewModel.cs b/AIStudio.Wpf.DiagramApp/ViewModels/FlowchartViewModel.cs
index 2be4cd4..4304a21 100644
--- a/AIStudio.Wpf.DiagramApp/ViewModels/FlowchartViewModel.cs
+++ b/AIStudio.Wpf.DiagramApp/ViewModels/FlowchartViewModel.cs
@@ -112,7 +112,7 @@ namespace AIStudio.Wpf.Flowchart
 
             foreach (var viewModel in DiagramViewModels)
             {
-                FlowchartService.DisposeData(viewModel);
+                FlowchartService.Dispose(viewModel);
             }
         }
     }
diff --git a/AIStudio.Wpf.DiagramApp/ViewModels/MindViewModel.cs b/AIStudio.Wpf.DiagramApp/ViewModels/MindViewModel.cs
index 3a462a8..00cf960 100644
--- a/AIStudio.Wpf.DiagramApp/ViewModels/MindViewModel.cs
+++ b/AIStudio.Wpf.DiagramApp/ViewModels/MindViewModel.cs
@@ -114,7 +114,7 @@ namespace AIStudio.Wpf.Flowchart
 
             foreach (var viewModel in DiagramViewModels)
             {
-                FlowchartService.DisposeData(viewModel);
+                FlowchartService.Dispose(viewModel);
             }
         }
     }
diff --git a/AIStudio.Wpf.DiagramApp/ViewModels/SFCViewModel.cs b/AIStudio.Wpf.DiagramApp/ViewModels/SFCViewModel.cs
index 6b5746f..1df520d 100644
--- a/AIStudio.Wpf.DiagramApp/ViewModels/SFCViewModel.cs
+++ b/AIStudio.Wpf.DiagramApp/ViewModels/SFCViewModel.cs
@@ -121,79 +121,79 @@ namespace AIStudio.Wpf.Flowchart
             SFCCOEndNode coend = new SFCCOEndNode() { Left = 38, Top = 720, Text = "" };
             DiagramViewModel.Add(coend);
 
-            ConnectionViewModel connector1_1 = new ConnectionViewModel(start.Output[0], condition1_1.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
+            ConnectionViewModel connector1_1 = new ConnectionViewModel(DiagramViewModel, start.Output[0], condition1_1.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
             DiagramViewModel.Add(connector1_1);
 
-            ConnectionViewModel connector2_1 = new ConnectionViewModel(condition1_1.Output[0], step1.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
+            ConnectionViewModel connector2_1 = new ConnectionViewModel(DiagramViewModel, condition1_1.Output[0], step1.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
             DiagramViewModel.Add(connector2_1);
 
-            ConnectionViewModel connector1_2 = new ConnectionViewModel(start.Output[0], condition1_2.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
+            ConnectionViewModel connector1_2 = new ConnectionViewModel(DiagramViewModel, start.Output[0], condition1_2.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
             DiagramViewModel.Add(connector1_2);
 
-            ConnectionViewModel connector2_2 = new ConnectionViewModel(condition1_2.Output[0], step1.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
+            ConnectionViewModel connector2_2 = new ConnectionViewModel(DiagramViewModel, condition1_2.Output[0], step1.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
             DiagramViewModel.Add(connector2_2);
 
-            ConnectionViewModel connector31 = new ConnectionViewModel(step1.Action[0], action11.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
+            ConnectionViewModel connector31 = new ConnectionViewModel(DiagramViewModel, step1.Action[0], action11.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
             DiagramViewModel.Add(connector31);
 
-            ConnectionViewModel connector32 = new ConnectionViewModel(step1.Action[0], action12.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
+            ConnectionViewModel connector32 = new ConnectionViewModel(DiagramViewModel, step1.Action[0], action12.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
             DiagramViewModel.Add(connector32);
 
-            ConnectionViewModel connector33 = new ConnectionViewModel(step1.Action[0], action13.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
+            ConnectionViewModel connector33 = new ConnectionViewModel(DiagramViewModel, step1.Action[0], action13.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
             DiagramViewModel.Add(connector33);
 
-            ConnectionViewModel connector34 = new ConnectionViewModel(step1.Action[0], action14.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
+            ConnectionViewModel connector34 = new ConnectionViewModel(DiagramViewModel, step1.Action[0], action14.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
             DiagramViewModel.Add(connector34);
 
-            ConnectionViewModel connector4 = new ConnectionViewModel(step1.Output[0], condition2.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
+            ConnectionViewModel connector4 = new ConnectionViewModel(DiagramViewModel, step1.Output[0], condition2.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
             DiagramViewModel.Add(connector4);
 
-            ConnectionViewModel connector5 = new ConnectionViewModel(condition2.Output[0], step2.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
+            ConnectionViewModel connector5 = new ConnectionViewModel(DiagramViewModel, condition2.Output[0], step2.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
             DiagramViewModel.Add(connector5);
 
-            ConnectionViewModel connector6 = new ConnectionViewModel(step2.Action[0], action2.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
+            ConnectionViewModel connector6 = new ConnectionViewModel(DiagramViewModel, step2.Action[0], action2.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
             DiagramViewModel.Add(connector6);
 
-            ConnectionViewModel connector7 = new ConnectionViewModel(step2.Output[0], condition3.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
+            ConnectionViewModel connector7 = new ConnectionViewModel(DiagramViewModel, step2.Output[0], condition3.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
             DiagramViewModel.Add(connector7);
 
-            ConnectionViewModel connector8 = new ConnectionViewModel(condition3.Output[0], step3.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
+            ConnectionViewModel connector8 = new ConnectionViewModel(DiagramViewModel, condition3.Output[0], step3.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
             DiagramViewModel.Add(connector8);
 
-            ConnectionViewModel connector9 = new ConnectionViewModel(step3.Action[0], action3.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
+            ConnectionViewModel connector9 = new ConnectionViewModel(DiagramViewModel, step3.Action[0], action3.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
             DiagramViewModel.Add(connector9);
 
-            ConnectionViewModel connector10 = new ConnectionViewModel(step3.Output[0], condition4.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
+            ConnectionViewModel connector10 = new ConnectionViewModel(DiagramViewModel, step3.Output[0], condition4.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
             DiagramViewModel.Add(connector10);
 
-            ConnectionViewModel connector11 = new ConnectionViewModel(condition4.Output[0], cobegin.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
+            ConnectionViewModel connector11 = new ConnectionViewModel(DiagramViewModel, condition4.Output[0], cobegin.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
             DiagramViewModel.Add(connector11);
 
-            ConnectionViewModel connector12 = new ConnectionViewModel(cobegin.Output[0], step4.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
+            ConnectionViewModel connector12 = new ConnectionViewModel(DiagramViewModel, cobegin.Output[0], step4.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
             DiagramViewModel.Add(connector12);
 
-            ConnectionViewModel connector13 = new ConnectionViewModel(step4.Action[0], action4.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
+            ConnectionViewModel connector13 = new ConnectionViewModel(DiagramViewModel, step4.Action[0], action4.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
             DiagramViewModel.Add(connector13);
 
-            ConnectionViewModel connector14 = new ConnectionViewModel(step4.Output[0], condition5.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
+            ConnectionViewModel connector14 = new ConnectionViewModel(DiagramViewModel, step4.Output[0], condition5.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
             DiagramViewModel.Add(connector14);
 
-            ConnectionViewModel connector15 = new ConnectionViewModel(cobegin.Output[1], step5.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
+            ConnectionViewModel connector15 = new ConnectionViewModel(DiagramViewModel, cobegin.Output[1], step5.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
             DiagramViewModel.Add(connector15);
 
-            ConnectionViewModel connector16 = new ConnectionViewModel(step5.Action[0], action5.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
+            ConnectionViewModel connector16 = new ConnectionViewModel(DiagramViewModel, step5.Action[0], action5.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
             DiagramViewModel.Add(connector16);
 
-            ConnectionViewModel connector17 = new ConnectionViewModel(step5.Output[0], condition6.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
+            ConnectionViewModel connector17 = new ConnectionViewModel(DiagramViewModel, step5.Output[0], condition6.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
             DiagramViewModel.Add(connector17);
 
-            ConnectionViewModel connector18 = new ConnectionViewModel(condition5.Output[0], coend.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
+            ConnectionViewModel connector18 = new ConnectionViewModel(DiagramViewModel, condition5.Output[0], coend.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
             DiagramViewModel.Add(connector18);
 
-            ConnectionViewModel connector19 = new ConnectionViewModel(condition6.Output[0], coend.Input[1], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
+            ConnectionViewModel connector19 = new ConnectionViewModel(DiagramViewModel, condition6.Output[0], coend.Input[1], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
             DiagramViewModel.Add(connector19);
 
-            ConnectionViewModel connector20 = new ConnectionViewModel(coend.Output[0], start.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
+            ConnectionViewModel connector20 = new ConnectionViewModel(DiagramViewModel, coend.Output[0], start.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
             DiagramViewModel.Add(connector20);
 
             #region 模拟部分
@@ -246,28 +246,28 @@ namespace AIStudio.Wpf.Flowchart
             Simulate_TankViewModel tank3 = new Simulate_TankViewModel() { Left = 500, Top = 103, ItemWidth = 48, ItemHeight = 60, Text = "T3", LinkPoint = SFCService.LinkPoint.FirstOrDefault(p => p.Name == "T3") };
             DiagramViewModel.Add(tank3);
 
-            ConnectionViewModel conn1 = new ConnectionViewModel(tank1.Output[0], k1.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
+            ConnectionViewModel conn1 = new ConnectionViewModel(DiagramViewModel, tank1.Output[0], k1.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
             DiagramViewModel.Add(conn1);
 
-            ConnectionViewModel conn2 = new ConnectionViewModel(tank1.Output[0], k2.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
+            ConnectionViewModel conn2 = new ConnectionViewModel(DiagramViewModel, tank1.Output[0], k2.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
             DiagramViewModel.Add(conn2);
 
-            ConnectionViewModel conn3 = new ConnectionViewModel(tank1.Output[0], k3.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
+            ConnectionViewModel conn3 = new ConnectionViewModel(DiagramViewModel, tank1.Output[0], k3.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
             DiagramViewModel.Add(conn3);
 
-            ConnectionViewModel conn4 = new ConnectionViewModel(k1.Output[0], tank2.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
+            ConnectionViewModel conn4 = new ConnectionViewModel(DiagramViewModel, k1.Output[0], tank2.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
             DiagramViewModel.Add(conn4);
 
-            ConnectionViewModel conn5 = new ConnectionViewModel(k2.Output[0], tank2.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
+            ConnectionViewModel conn5 = new ConnectionViewModel(DiagramViewModel, k2.Output[0], tank2.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
             DiagramViewModel.Add(conn5);
 
-            ConnectionViewModel conn6 = new ConnectionViewModel(k3.Output[0], tank2.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
+            ConnectionViewModel conn6 = new ConnectionViewModel(DiagramViewModel, k3.Output[0], tank2.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
             DiagramViewModel.Add(conn6);
 
-            ConnectionViewModel conn7 = new ConnectionViewModel(tank2.Output[1], k4.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
+            ConnectionViewModel conn7 = new ConnectionViewModel(DiagramViewModel, tank2.Output[1], k4.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
             DiagramViewModel.Add(conn7);
 
-            ConnectionViewModel conn8 = new ConnectionViewModel(k4.Output[0], tank3.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
+            ConnectionViewModel conn8 = new ConnectionViewModel(DiagramViewModel, k4.Output[0], tank3.Input[0], _service.DrawModeViewModel.LineDrawMode, _service.DrawModeViewModel.LineRouterMode);
             DiagramViewModel.Add(conn8);
             #endregion
 
@@ -297,7 +297,7 @@ namespace AIStudio.Wpf.Flowchart
 
             foreach (var viewModel in DiagramViewModels)
             {
-                SFCService.DisposeData(viewModel);
+                SFCService.Dispose(viewModel);
             }
         }
     }
diff --git a/AIStudio.Wpf.Flowchart/FlowchartService.cs b/AIStudio.Wpf.Flowchart/FlowchartService.cs
index b74d457..7d7291d 100644
--- a/AIStudio.Wpf.Flowchart/FlowchartService.cs
+++ b/AIStudio.Wpf.Flowchart/FlowchartService.cs
@@ -377,7 +377,7 @@ namespace AIStudio.Wpf.Flowchart
             }
         }
 
-        public static void DisposeData(IDiagramViewModel viewModel)
+        public static void Dispose(IDiagramViewModel viewModel)
         {
             FlowNodes.Remove(viewModel);
         }
diff --git a/AIStudio.Wpf.SFC/SFCService.cs b/AIStudio.Wpf.SFC/SFCService.cs
index 8b14b16..3c42a07 100644
--- a/AIStudio.Wpf.SFC/SFCService.cs
+++ b/AIStudio.Wpf.SFC/SFCService.cs
@@ -212,7 +212,7 @@ namespace AIStudio.Wpf.SFC
             return links;
         }
 
-        public static void DisposeData(IDiagramViewModel viewModel)
+        public static void Dispose(IDiagramViewModel viewModel)
         {
             SFCNodes.Remove(viewModel);
         }