How do I fix my map?

I have a Raspberry pi 4 , and install a Android OS on it…
at the raspberry pi I have a touchmonitor on HDMI. touchpart is USB… al works fine, only the map is weird?

how to fix it?

Clear the browser cache. Reload the page.

I think the problem was the raspberry pi 4… now I have a odroid-n2+ and it works alright…