1 Try not to get hurt and sign the contract. If you can't sign the contract, try to collect relevant evidence to prove that you did the work and didn't receive the money. The above two points are legal solutions. If Party A cheats and cannot be solved through legal channels, then you can only solve it by rogue means. Find a group of migrant workers to block him from asking for money all day (the slogan is to pay me back my hard-earned money), and go to his house to see if he will give it during the day.