From 4d530f961219fb32aa010affd36b67789b7a90ba Mon Sep 17 00:00:00 2001
From: break60 <790061044@qq.com>
Date: Mon, 3 Aug 2020 11:10:08 +0800
Subject: [PATCH] Before creating a workflow, clear the canvas

---
 .../src/js/conf/home/pages/dag/_source/dag.js        | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/dolphinscheduler-ui/src/js/conf/home/pages/dag/_source/dag.js b/dolphinscheduler-ui/src/js/conf/home/pages/dag/_source/dag.js
index ff8a4528d5..5a41091029 100644
--- a/dolphinscheduler-ui/src/js/conf/home/pages/dag/_source/dag.js
+++ b/dolphinscheduler-ui/src/js/conf/home/pages/dag/_source/dag.js
@@ -52,7 +52,9 @@ Dag.prototype.setConfig = function (o) {
  */
 Dag.prototype.create = function () {
   const self = this
-  jsPlumb.ready(() => {
+  let plumbIns = jsPlumb.getInstance()
+  plumbIns.reset()
+  plumbIns.ready(() => {
     JSP.init({
       dag: this.dag,
       instance: this.instance,
@@ -304,7 +306,9 @@ Dag.prototype.backfill = function (arg) {
 
     locationsValue = dataObject
     const self = this
-    jsPlumb.ready(() => {
+    let plumbIns = jsPlumb.getInstance()
+    plumbIns.reset()
+    plumbIns.ready(() => {
       JSP.init({
         dag: this.dag,
         instance: this.instance,
@@ -326,7 +330,9 @@ Dag.prototype.backfill = function (arg) {
     })
   } else {
     const self = this
-    jsPlumb.ready(() => {
+    let plumbIns = jsPlumb.getInstance()
+    plumbIns.reset()
+    plumbIns.ready(() => {
       JSP.init({
         dag: this.dag,
         instance: this.instance,