diff --git a/AIStudio.Wpf.DiagramDesigner/PathGenerators/PathGenerators.Utils.cs b/AIStudio.Wpf.DiagramDesigner/PathGenerators/PathGenerators.Utils.cs
index 88e1955..46982d0 100644
--- a/AIStudio.Wpf.DiagramDesigner/PathGenerators/PathGenerators.Utils.cs
+++ b/AIStudio.Wpf.DiagramDesigner/PathGenerators/PathGenerators.Utils.cs
@@ -9,20 +9,18 @@ namespace AIStudio.Wpf.DiagramDesigner
         public static double SourceMarkerAdjustement(PointBase[] route, double markerWidth)
         {
             var angleInRadians = Math.Atan2(route[1].Y - route[0].Y, route[1].X - route[0].X) + Math.PI;
-            //不需要留出箭头的位置
-            //var xChange = markerWidth * Math.Cos(angleInRadians);
-            //var yChange = markerWidth * Math.Sin(angleInRadians);
-            //route[0] = new PointBase(route[0].X - xChange, route[0].Y - yChange);
+            var xChange = markerWidth * Math.Cos(angleInRadians);
+            var yChange = markerWidth * Math.Sin(angleInRadians);
+            route[0] = new PointBase(route[0].X - xChange, route[0].Y - yChange);
             return angleInRadians * 180 / Math.PI;
         }
 
         public static double TargetMarkerAdjustement(PointBase[] route, double markerWidth)
         {
             var angleInRadians = Math.Atan2(route[route.Length - 1].Y - route[route.Length - 2].Y, route[route.Length - 1].X - route[route.Length - 2].X);
-            //不需要留出箭头的位置
-            //var xChange = markerWidth * Math.Cos(angleInRadians);
-            //var yChange = markerWidth * Math.Sin(angleInRadians);
-            //route[route.Length - 1] = new PointBase(route[route.Length - 1].X - xChange, route[route.Length - 1].Y - yChange);
+            var xChange = markerWidth * Math.Cos(angleInRadians);
+            var yChange = markerWidth * Math.Sin(angleInRadians);
+            route[route.Length - 1] = new PointBase(route[route.Length - 1].X - xChange, route[route.Length - 1].Y - yChange);
             return angleInRadians * 180 / Math.PI;
         }
 
diff --git a/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/ConnectorViewModel.cs b/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/ConnectorViewModel.cs
index 29d9fec..53c24c7 100644
--- a/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/ConnectorViewModel.cs
+++ b/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/ConnectorViewModel.cs
@@ -37,6 +37,14 @@ namespace AIStudio.Wpf.DiagramDesigner
         private void Init(FullyCreatedConnectorInfo sourceConnectorInfo, ConnectorInfoBase sinkConnectorInfo)
         {
             this.Parent = sourceConnectorInfo.DataItem.Parent;
+            if (Parent != null && Parent.ColorViewModel != null)
+            {
+                this.ColorViewModel = CopyHelper.Mapper(Parent.ColorViewModel);
+            }
+            if (sinkConnectorInfo is FullyCreatedConnectorInfo sink && sink.DataItem.ShowArrow == false)
+            {
+                this.ColorViewModel.RightArrowPathStyle = ArrowPathStyle.None;
+            }
 
             var routetype = GlobalType.AllTypes.Where(p => typeof(IRouter).IsAssignableFrom(p)).FirstOrDefault(p => p.Name == RouterMode);
             Router = routetype != null ? (System.Activator.CreateInstance(routetype) as IRouter) : new RouterNormal();
@@ -47,16 +55,7 @@ namespace AIStudio.Wpf.DiagramDesigner
             this.SourceConnectorInfo = sourceConnectorInfo;
             this.SinkConnectorInfo = sinkConnectorInfo;
             DeleteConnectionCommand = new SimpleCommand(DeleteConnection);
-            AddVertexCommand = new SimpleCommand(AddVertex);
-
-            if (Parent != null && Parent.ColorViewModel != null)
-            {
-                this.ColorViewModel = CopyHelper.Mapper(Parent.ColorViewModel);
-            }
-            if (sinkConnectorInfo is FullyCreatedConnectorInfo sink && sink.DataItem.ShowArrow == false)
-            {
-                this.ColorViewModel.RightArrowPathStyle = ArrowPathStyle.None;
-            }
+            AddVertexCommand = new SimpleCommand(AddVertex);       
         }
 
         public override SelectableDesignerItemBase ToXmlObject()
@@ -352,12 +351,13 @@ namespace AIStudio.Wpf.DiagramDesigner
             var route = Router.Get(Parent, this);
 
             (var source, var target) = FindConnectionPoints(route);
-            if (source == null || target == null)
-                return;
+            if (source == null || target == null)               
+                return;         
 
             PathGeneratorResult = PathGenerator.Get(Parent, this, route, source.Value, target.Value);
-            StartPoint = PathGeneratorResult.SourceMarkerPosition;
-            EndPoint = PathGeneratorResult.TargetMarkerPosition;
+            
+            StartPoint = new PointBase(source.Value.X - Area.Left, source.Value.Y - Area.Top);
+            EndPoint = new PointBase(target.Value.X - Area.Left, target.Value.Y - Area.Top);
             StartAngle = PathGeneratorResult.SourceMarkerAngle;
             EndAngle = PathGeneratorResult.TargetMarkerAngle;
         }