Legal analysis: first, negotiate with operators to solve it; The second is to find a consumer association to mediate; The third is to appeal to the relevant administrative departments and so on.

Legal basis: Article 543 of the Civil Code of People's Republic of China (PRC), the parties can modify the contract through consultation.

"Measures for Punishment of Infringement on Consumers' Rights and Interests" Article 10 When providing goods or services in advance, an operator shall clearly agree with consumers on the quantity and quality of the goods or services, the price or expenses, the time limit and method of performance, safety precautions and risk warning, after-sales service, civil liability and other contents. If the goods or services are not provided in accordance with the agreement, the agreement shall be fulfilled or the advance payment shall be returned according to the requirements of the consumers, and the interest on the advance payment and the reasonable expenses that the consumers must pay shall be borne. If there is no agreement on the refund, the refund amount shall be converted according to the calculation method beneficial to consumers. If the business operator makes a reasonable request for refund to the consumer, and explicitly indicates that it will not be refunded, or fails to refund for more than 15 days from the agreed effective period, or the consumer makes a request for refund without the agreed time limit, it shall be deemed as deliberate delay or unreasonable refusal.