How to close the UI in the lower right corner

I’m assuming you mean the lower left corner, since the lower right corner is empty.

The attribution UI is there to comply with many data providers’ terms of service, including Bing Maps (which supplies the satellite imagery for the terrain) and our own Cesium ion platform. You are not allowed to remove these attributions.

It’s in the bottom left corner, and now the unityui at the bottom of the problem will be blocked