1. Consumer Association complained. After sorting out evidence materials such as contracts, payment vouchers and communication records. Contact the local consumer association to make a complaint and ask the training institution to refund the fee.

2. Complaints from the Bureau of Letters and Calls. You can directly search for the National Bureau for Letters and Calls on WeChat to make online complaints. After submitting the objects and reasons that need to be complained, it will basically be accepted soon, and there will be someone to handle it.