Send a text message during the interview, saying that if you pass, you will have to take a second interview.

If the company needed to recruit people urgently, it wouldn't go through so many procedures. I think you'd better find another one And most companies don't arrange interviews on Sundays.

Many companies are hiring people, even if they are short of people. Some are doing talent reserves, and some are just advertising for the company.

If you really want to enter this company, ask more about its operation from the side.