You can contact the official customer service of the platform to make a complaint. Under normal circumstances, you can ask the official customer service to intervene. Contact the seller to determine the reason. If the seller does not fulfill the obligations agreed in the contract, you can claim infringement against him.

If the goods purchased by consumers infringe upon the legitimate rights and interests of consumers, consumers can first negotiate with the operator. If the negotiation fails, they can report to the Consumer Association for mediation. If the mediation fails, they can sue the relevant people's court to protect their rights.