1. Call the police immediately: report the case to the local public security organ and provide relevant evidence and materials, including transaction records and chat records. The police will investigate and deal with such acts and try their best to help recover the losses.
2. Contact platform customer service: Try to contact Jiuding Weilai customer service department to explain the problem and ask for a refund. Keep relevant evidence when communicating, such as transaction records and chat records. At the same time, we can ask the platform to provide more information and support in order to solve the problem better.
3. Seek legal aid: Neither of the above two methods can solve the problem, so you can consider seeking legal aid. Consult a lawyer to learn about rights and available remedies.