diff --git a/dolphinscheduler-ui/src/js/conf/home/pages/dag/_source/dag.vue b/dolphinscheduler-ui/src/js/conf/home/pages/dag/_source/dag.vue
index 1989b8839c..1de02c8f54 100755
--- a/dolphinscheduler-ui/src/js/conf/home/pages/dag/_source/dag.vue
+++ b/dolphinscheduler-ui/src/js/conf/home/pages/dag/_source/dag.vue
@@ -191,7 +191,7 @@
           ],
           Connector: 'Bezier',
           PaintStyle: { lineWidth: 2, stroke: '#456' }, // Connection style
-          HoverPaintStyle: {stroke: '#ccc', strokeWidth: 3},
+          HoverPaintStyle: {stroke: '#ccc', strokeWidth: 3}, 
           ConnectionOverlays: [
             [
               'Arrow',
@@ -639,7 +639,7 @@
           ],
           Connector: 'Bezier',
           PaintStyle: { lineWidth: 2, stroke: '#456' }, // Connection style
-          HoverPaintStyle: {stroke: '#ccc', strokeWidth: 3},
+          HoverPaintStyle: {stroke: '#ccc', strokeWidth: 3}, 
           ConnectionOverlays: [
             [
               'Arrow',