优化响应报错提醒，并Message更换为Notification

src/utils/api.js

@@ -1,5 +1,5 @@
 import axios from 'axios'
-import { Message } from 'element-ui'
+import { Notification } from 'element-ui'
 import store from '../store'
 import { showLoading, hideLoading } from './apiHelper'
 // 创建axios实例
@@ -40,7 +40,7 @@ service.interceptors.response.use(
     } else if (res.returnCode === 1) {
       return res.returnData
     } else if (res.code === 20001) {
-      Message({
+      Notification({
         showClose: true,
         message: res.message,
         type: 'error',
@@ -61,7 +61,7 @@ service.interceptors.response.use(
       } else {
         msg = res.returnMsg
       }
-      Message({
+      Notification({
         message: msg,
         type: 'error',
         duration: 3 * 1000
@@ -71,9 +71,9 @@ service.interceptors.response.use(
   },
   error => {
     hideLoading()
-    console.error('err' + error)// for debug
-    Message({
-      message: error.message,
+    console.error('error', error.response)// for debug
+    Notification({
+      message: error.response.data && error.response.data.message ? error.response.data.message : error.message,
       type: 'error',
       duration: 3 * 1000
     })