Weixin App's display is not complete aften manual installation

When I install weixin app and other apps in Khadas (32GB, Android 7.1.2), display is not complete after starting. The bug hinder my project severely . Sincerely hope experts offer some suggestions.

Hi, Yonghua:
As the App is designed for mobile phone which is portrait, but the VIMs is display with landscape. We will follow up this issue and keep you update in the next few days.