1. Negotiation with institutions: Contact Guangzhou Jinjin Education Institution to explain the refund request and negotiate a solution. The organization will agree to refund the fee, but it needs to complete the refund process according to the procedure.

2. Complain to the regulatory authorities: If negotiation fails between institutions, complain to the regulatory authorities. Contact Guangzhou Education Bureau or consumer associations and other institutions, reflect the situation to them and ask for intervention.