fix: 调整ipad访问网页跳转到pc页面

client/src/components/beforeEnter/Before.js

@@ -14,7 +14,7 @@ export default class Before {
       'studentHelp',
       'teacherHelp'
     ]
-    this.isMobile = /android|iphone|ipad|ipod/i.test(UA)
+    this.isMobile = /android|iphone|ipod/i.test(UA)
   }
 
   async update(to, from, next) {