1. Information input error: There was an error in the process of inputting children's medical insurance information, which caused the information not to be saved correctly in the system. You can contact the local medical insurance agency to verify the child's medical insurance registration and provide correct information for updating.
2. Medical insurance participation status: The child is not correctly included in the scope of medical insurance participation, or the medical insurance participation status is wrong. You can consult the local medical insurance institutions to find out about your child's medical insurance participation and verify whether you need to go through relevant procedures or pay back the fees.
3. Delay in updating the medical insurance system: The child's medical insurance information has been updated, but there is a certain delay in updating the system. You can try to inquire later, or contact the local medical insurance agency to confirm your child's latest medical insurance information.