Do not 自动请辞
ask to meet with the dean -keep your email.
Ask to meet the ombuzman officer for faculty. He should meet all you, dean,
the student and get this thing solved.
keep all emails - in particular, the students' who support you
start to ask around for a good lawyer. Once they fire you, you ask your
lawyer to deal with the university, and they will ask for a settle.
Ask the lawyer to work on contigency base -namely, get lawyer fee from what
the university would pay you. Otherwise, the lawyer may cost you all you
have and still not get a simple case solved.
Be strong for yourself.Keep in mind, the dean the ombuzman officer may
not be efficient or fair at all. Prepare to have a lawyer