Thanks for contacting us and choosing our product!
We have just checked your site and see Footer is working fine: https://prnt.sc/pZH9AQu0LAIb
It seems you hidden the gallery on the mobile and already changed all our demo Logo to your Logo in Haru Logo Footer widget.
If you still have issue please clarify more about it.
Here is the document of theme: https://document.harutheme.com/teespace/
We also see this issue when checking your site: https://prnt.sc/ReaIfyVMw908
You can resolve it by section 18.20 in the document.
Hope this helps!