thanks, is there any app that implements this function?

Lol good luck but I wouldn’t recommend it as your daily os. Qubes is for those who have got a nation state on their back or something like that. For most people, default fedora is more than enough.

(see https://www.privacyguides.org/en/os/qubes-overview/ and https://www.privacyguides.org/en/desktop/)

Probably Qubes OS