It is less than 24 hours when I got Account Expiration notification. I don't know whether it is possible to apply for extension in such a short time, but I still want to give a try.
Meanwhile, I found the old projects on Devmesh has disappeared, and I am not able to create a new one!
I do understand that there is Changes in Devcloud for supporting Oneapi, but I think some of them are really degrading the user experience.
Anyway, now I am busy doing backup, and wish it can be done before data lost.