When the gym owner runs away, consumers can report to the local consumer association and the industrial and commercial department. If too much money and fraud are involved, they can collect evidence and report it to the public security department. Law of People's Republic of China (PRC) on the Protection of Consumer Rights and Interests Article 53 Where an operator provides goods or services in advance, it shall provide them in accordance with the agreement. If it is not provided in accordance with the agreement, it shall fulfill the agreement or return the advance payment according to the requirements of consumers; And shall bear the interest of the advance payment and the reasonable expenses that the consumer must pay.