[Bug Report] The example of pull up has bug in the iPhone browser, which will display the white screen

[rongxiangcai]

Mint UI version

2.2.13

OS/Browsers version

ios/all

Vue version

2.5.13

Reproduction Link

https://elemefe.github.io/mint-ui/#/pull-up

Steps to reproduce

Copy https://elemefe.github.io/mint-ui/#/pull-up into the iPhone browser and slide up, there will be a white screen

What is Expected?

Don't appear white screen

What is actually happening?

There is a white screen

[jessjava]

up

[xiaojiangjiang]

+1 same bug

[cy904159293]

up