Contact the local constructor examination center: If personal information is found to be wrong or leaked, you can contact the local constructor examination center to verify personal information, apply for correction or re-apply for registration certificate. Revoke the registration certificate and reapply: If you find that the signature on the certificate is not your own, it may be that your personal information has been stolen or impersonated. I suggest you cancel your registration certificate immediately, report the situation to the relevant departments and apply for a new registration certificate. Modify personal information: If personal information is entered incorrectly or leaked, you can go to the local talent service center or the industrial and commercial department to modify or update personal information to ensure the accuracy and security of personal information.

Take timely measures to protect your personal information, avoid related problems, and ensure the legitimacy and authenticity of the certificate.