Legal analysis: First, negotiate a refund with the training institution. Second, report the case to the police and let the police intervene. Third, wait for the bankruptcy liquidation of the training institution.

Legal basis: Article 186 of People's Republic of China (PRC) Company Law. After clearing up the company's property, preparing the balance sheet and property list, the liquidation group shall formulate the liquidation plan and report it to the shareholders' meeting, shareholders' meeting or the people's court for confirmation. After paying the liquidation expenses, employees' wages, social insurance expenses and statutory compensation, paying the taxes owed and paying off the company's debts, the company's property shall be distributed according to the proportion of capital contribution of shareholders of a limited liability company and the proportion of shares of shareholders of a joint stock limited company. During the liquidation period, the company shall survive, but shall not carry out business activities unrelated to liquidation. The company's property shall not be distributed to shareholders before it is paid off in accordance with the provisions of the preceding paragraph.