`sustechthesis` is outdated

[iydon]

https://github.com/lemoxiao/Latex-Part1/blob/0ab8ed3385cf77f45ef2ba7bfed74f97898fb377/%E5%9B%BD%E5%86%85%E9%AB%98%E6%A0%A1/sustechthesis-master(%E5%8D%97%E6%96%B9%E7%A7%91%E6%8A%80%E5%A4%A7%E5%AD%A6%E6%9C%AC%E7%A7%91)/sustechthesis.cls#L2

You may refer to sustechthesis project now.