Go to court to sue. There are many similar situations. If you are cheated, you can go to court to sue for rights protection. The court ruled that, after trial, according to Article 157 of the Civil Law of People's Republic of China (PRC), a cultural company in Jinan should return 80,000 yuan of service fees based on invalid legal acts. However, the interest claimed by Xiao Zhang was not supported by the court because the contents of the contract in this case violated public order and good customs, and Xiao Zhang was also at fault. After the judgment was made, both parties accepted the interest judgment, and now the judgment has come into effect.