2. Look for witnesses. If you have witnesses or witnesses, you can ask them to provide testimony to help you prove your situation.
3. Go to the local public security bureau to report the case. Please bring evidence and identity documents to the local public security bureau to report the case, so that the police can understand the situation and provide help.
4, cooperate with the public security organs to investigate. According to the requirements of the police, cooperate with the police investigation and provide relevant information and evidence.
5. Ways to protect rights. If your complaint can't solve the problem, you can consider seeking legal channels to safeguard your rights and interests through legal means.