The power grid of this department is being rebuilt, and the computer room where the server is located may not have power supply.

And every summer vacation, there is always a long time when many school webpages can't be opened, not only in graduate schools, BBS, academic affairs office, but also in many webpages, so it's not your computer's problem, hehe.

Usually at the end of August, you can visit normally after school starts at the latest. Many students are waiting for the course selection system, so they can only wait patiently, hehe ~

This is the answer ~