fix bug_7499 (#7739)

Co-authored-by: SbloodyS <sbloodys@qq.com>

dolphinscheduler-ui/src/js/conf/home/pages/dag/_source/dag.vue

@@ -532,7 +532,7 @@
         this.$router.push({
           name: 'task-instance',
           query: {
-            processInstanceId: this.$route.params.code,
+            processInstanceId: this.instanceId,
             taskName: taskName
           }
         })