1. Confirm whether the information entered is correct, such as ID number, name, etc.
2. Contact the local marriage registry to find out whether there are relevant records or whether there are any wrong information to be corrected.
3. If the marriage certificate is lost or the information is lost, you can try to check the relevant records in the local archives.
4. If the above methods can't solve the problem, you can consider the marriage registration points in other provinces to inquire about relevant information.
In short, if you encounter problems when inquiring about marriage information, you can consult relevant departments or institutions and try various methods to solve the problem.