'ren'

src/main.js

+/*
+ * @Description: In User Settings Edit
+ * @Author: your name
+ * @Date: 2019-09-24 12:34:06
+ * @LastEditTime: 2019-09-24 12:34:06
+ * @LastEditors: your name
+ */
 // The Vue build version to load with the `import` command
 // (runtime-only or standalone) has been set in webpack.base.conf with an alias.
 import Vue from 'vue'
@@ -147,7 +154,7 @@ vum.$vumPlatform.ready(function () {
 })
 
 vum.$vumPlatform.registerBackButtonAction(function (e) {
-  let vm = this
+  // let vm = this
   let time
   let path = router.currentRoute.path