There is no legal basis.
If you ask for a refund simply because you don't have time for class, it is unfounded in the law and inconsistent with the Qing Dynasty.
♀? Refund evidence
If you want to refund the fee, unless you have the following evidence: First, there is fraud in educational institutions, which makes you cheated. Second: educational institutions have no relevant qualifications and are illegal training institutions. Third; There are major defects in the education and training plan provided to you.