update 新增了全局静态变量

Web/src/util/global/index.js

@@ -0,0 +1 @@
+export const EMPTY_ID = '00000000-0000-0000-0000-000000000000'

Web/src/views/main/index.vue

@@ -42,6 +42,8 @@ import Setting from './setting';
 import { setGlobal } from '@/common/login';
 import { APP_MENU_KEY } from '@/common/storage';
 
+import { EMPTY_ID } from '@/util/global';
+
 const getNewID = () => {
   return Math.random().toString(16).slice(2);
 };
@@ -260,9 +262,7 @@ export default {
         return m;
       };
 
-      const rootId = '00000000-0000-0000-0000-000000000000';
-
-      this.nav.menus = children[rootId] ? serialize(children[rootId]) : new Array();
+      this.nav.menus = children[EMPTY_ID] ? serialize(children[EMPTY_ID]) : new Array();
     },
   },
 };