修改格式问题

src/main.js

@@ -13,14 +13,28 @@ import "@/utils/rem";
 import "@/common/permission";
 // 全局css
 import "@/styles/index.scss";
-import { Button, Image, Dialog, NavBar, Tabbar, TabbarItem, Tabs, Tab, Grid, GridItem, Icon, List, Cell } from "vant";
+import {
+  Button,
+  Image,
+  Dialog,
+  NavBar,
+  Tabbar,
+  TabbarItem,
+  Tabs,
+  Tab,
+  Grid,
+  GridItem,
+  Icon,
+  List,
+  Cell
+} from "vant";
 
 window.$_http = axios;
 // event Bus 用于无关系组件间的通信。
 Vue.prototype.$bus = new Vue();
 Vue.prototype.$_http = axios;
 Vue.prototype.$_API = API;
-Vue.use(common)
+Vue.use(common);
 
 Vue.component("VanButton", Button);
 Vue.component("VanImage", Image);