Legal analysis: it can be returned. When a consumer signs a service contract with a merchant, if it is indicated that no refund will be given, it should still be regarded as infringing on the legitimate rights and interests of consumers, which is an unfair trading condition and the clause should be invalid.

Legal basis: Article 16 of the Law of People's Republic of China (PRC) on the Protection of Consumers' Rights and Interests, when providing commodities or services to consumers, business operators shall perform their obligations in accordance with this Law and other relevant laws and regulations.

If there is an agreement between the operator and the consumer, they shall perform their obligations in accordance with the agreement, but the agreement between the two parties shall not violate the provisions of laws and regulations.

When providing commodities or services to consumers, business operators shall abide by social morality, be honest and trustworthy, and protect the legitimate rights and interests of consumers; Unfair and unreasonable trading conditions shall not be set, and trading shall not be forced.