连接线，文本编辑

AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/Connector/ConnectorLabelModel.cs

@@ -46,6 +46,7 @@ namespace AIStudio.Wpf.DiagramDesigner
 
         protected override void InitNew()
         {
+            InitIsEditing = true;
             ConnectorWidth = 30;
             ConnectorHeight = 30;
         }

AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/SelectableViewModelBase.cs

@@ -178,7 +178,7 @@ namespace AIStudio.Wpf.DiagramDesigner
             }
         }
 
-        public bool StartEditing
+        public bool InitIsEditing
         {
             get; set;
         }