Can be returned. According to Deyou official website's inquiry, Article 9 of the Law "Opinions on Standardizing the Development of Off-campus Training Institutions" regulates the management of fees. For the unfinished training courses, the refund of fees shall be handled in strict accordance with the contractual agreement of both parties and relevant laws and regulations. Deyou training fees will not be refunded voluntarily, but you can apply for a refund.