新增事件

src/router/index.js

 import Vue from 'vue'
 import Router from 'vue-router'
 
+/**
+ * 重写路由的push方法
+ */
+const routerPush = Router.prototype.push
+Router.prototype.push = function push(location) {
+  return routerPush.call(this, location).catch(error=> error)
+}
+ 
 Vue.use(Router)
 
 export default new Router({