It looks like you're new here. If you want to get involved, click one of these buttons!
The site interface does not change with file changes.
I uploaded the files on file manege and run the site, and then I deleted these files and uploaded other files and when I open the site shows the old interface (that belongs to the old files).
Cloudflare -> Cache -> Purge All?
When you are modifying static files, enable Cloudflare development mode and clear your browser cache. Don't forget to turn off devel mode after finishing it.
@yezhiyi haven't I said it already?