According to the relevant information inquired, it is illegal to keep in good health by highway for more than 1 1,000 yuan. Without the consent of the consumer, the price shall not be raised unilaterally before the amount on the card is used up within the agreed time limit. The unilateral price increase by merchants is a breach of contract, and it is illegal to exceed 1 0,000 yuan. The market supervision and management department will give a warning according to the seriousness of the case.