If the training course is not refundable, you can call 12345 (government service hotline) or 123 15 (consumer complaint hotline) to make a complaint. Both telephone hotlines can accept consumer complaints and help solve problems. Among them, 12345 is a special line for people's livelihood, which accepts public consultation, listens to people's demands, reflects social conditions and public opinions, and serves the people. It is the "general customer service" of government services.

Article 53 of the Law on the Protection of Consumer Rights and Interests stipulates that if a business operator provides goods or services in advance, it shall provide them as agreed. If it is not provided in accordance with the agreement, it shall fulfill the agreement or return the advance payment according to the requirements of consumers; And shall bear the interest of the advance payment and the reasonable expenses that the consumer must pay.