Within 7 working days. Only Education is a well-known education and training institution in Shanghai. As a holy land for further study, students with dreams are known as "cradles of high scores". Usually only the refund information contains all the information of the students, including personal information and family information, which is confidential. Therefore, the approval of refund is very strict, and its background is somewhat connected with the public security household registration system, and there can be no wrong information.