Legal analysis: It is illegal not to refund if you don't spend money, which infringes on the legitimate rights and interests of consumers. You can ask consumers' associations for help. Unilateral provision of non-refund is a typical overlord clause and has no legal effect.

legal basis: article 11 of the law of the people's Republic of China on the protection of consumers' rights and interests, consumers have the right to refuse the compulsory trading behavior of business operators. Format clauses, notices, statements, shop notices, etc. contain the contents listed in the preceding paragraph, and their contents are invalid. In this case, you can call the 12315 consumer rights hotline to complain.