[Bug Report] 全屏状态不部分组件不显示 Some Components Don't Display When Fullscreen

### Mint UI version
2.2.13

### OS/Browsers version
Windows10/Chrome latesd、MIUI10 latesd/UC/QQ/Wecaht

### Vue version
2.5.17

### Reproduction Link
[jsfiddle](jsfiddle)

### Steps to reproduce
http://saatana.cn/shop
点击右上角 Click upper right corner
点击全屏显示 Click show with fullscreen
点击登陆按钮 Click button for login
不显示加载框和底部提示语 Don't display the loadingBox and toast

### What is Expected?
所有提示组件正常显示
All of the tips components always be display

### What is actually happening?
全屏显示时提示组件都不显示
All of the tips components always don't display when fullscreen