bug fixes

src/components/beforeEnter/Before.js

@@ -6,7 +6,7 @@ export default class Before {
     this.opt = opt || {}
     // 免登录列表
     this.whiteList = ['login-normal', 'login-code', 'login-forget', 'studentHelp', 'teacherHelp', 'login-register']
-    this.isMobile = /mobile/i.test(UA)
+    this.isMobile = /iphone/i.test(UA) || (/android/i.test(UA) && /mobile/i.test(UA))
   }
 
   async update(to, from, next) {