2. Secondly, it is necessary to communicate clearly with the customer service and explain the reasons for the refund, such as the quality of the course is not up to expectations, the course cannot be attended, and the service is not satisfactory.
3. Finally, if the institution fails to meet the refund requirements, it can seek the help of the platform 123 15, provide relevant evidence and express the reasons and demands of the complaint, so as to seek further solutions.