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 d12d0f7d57b8b71263b0190856275f5328c27cc8..e8e709f1d9bb3be747592595197ad052bc5feee2 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
@@ -196,7 +196,6 @@
           ],
           Connector: 'Bezier',
           PaintStyle: { lineWidth: 2, stroke: '#456' }, // Connection style
-          HoverPaintStyle: {stroke: '#ccc', strokeWidth: 3}, 
           ConnectionOverlays: [
             [
               'Arrow',
@@ -685,7 +684,6 @@
           ],
           Connector: 'Bezier',
           PaintStyle: { lineWidth: 2, stroke: '#456' }, // Connection style
-          HoverPaintStyle: {stroke: '#ccc', strokeWidth: 3}, 
           ConnectionOverlays: [
             [
               'Arrow',
diff --git a/dolphinscheduler-ui/src/js/conf/home/pages/dag/_source/plugIn/util.js b/dolphinscheduler-ui/src/js/conf/home/pages/dag/_source/plugIn/util.js
index 0b472b6c100bf9f2bf544051a1a3db239601910e..bc5321f8b15e7030c2476541ebabcd5fa99528a3 100755
--- a/dolphinscheduler-ui/src/js/conf/home/pages/dag/_source/plugIn/util.js
+++ b/dolphinscheduler-ui/src/js/conf/home/pages/dag/_source/plugIn/util.js
@@ -100,13 +100,13 @@ const setSvgColor = (e, color) => {
   // Traverse clear all colors
   $('.jtk-connector').each((i, o) => {
     _.map($(o)[0].childNodes, v => {
-      $(v).attr('fill', '#2d8cf0').attr('stroke', '#2d8cf0').attr('stroke-width', 2)
+      $(v).attr('stroke', '#2d8cf0').attr('stroke-width', 2)
     })
   })
 
   // Add color to the selection
   _.map($(e.canvas)[0].childNodes, (v, i) => {
-    $(v).attr('fill', color).attr('stroke', color)
+    $(v).attr('stroke', '#ccc')
     if ($(v).attr('class')) {
       $(v).attr('stroke-width', 2)
     }