Hello @Jack_Lee,
Submit a new topic – https://www.8theme.com/forums/xstore-wordpress-support-forum/ and describe your problem/request in more detail. Provide URL of your site via the Private Content area.
About Footer, here is an example from our demo – https://prnt.sc/pkdy-2nS0xSb > https://prnt.sc/TCPtcopbhCvV
Regards