Webview in mobile keyboard bug

The input field will pop up as a small black screen, different from the iPad where you can type directly, and sometimes the black screen doesn't come back.

vdo:
[Androind](https://drive.google.com/file/d/113qTP6FnSjzEJ2lpp6cgpA9q8fsugFs9/view?usp=sharing)
[IOS](https://drive.google.com/file/d/18SN7G-GWFcJprhfuCLn54BhkptuDHZeW/view?usp=sharing)