Hello All,
The site is multisite:
wo site info:
Nginx configuration wpsubdomain wpfc (enabled)
PHP Version 8.1
SSL enabled
SSL PROVIDER Lets Encrypt
SSL EXPIRY DATE 89
wo --version
WordOps v3.16.3
Copyright (c) 2023 WordOps.
The cache does not work on the main site: x-fastcgi-cache: BYPASS

I created a fresh subsite, all works fine with Woocommerce and same theme of the one on the main site:

I try to deactivate all of plugins, and it still shwo:x-fastcgi-cache: BYPASS
I am quite confused, Nginx Fastcgi cache works on subsite, but not work on main site.
Could anyone show me direction to fix or debug the issue please?