1. Query in official website, the county government, find the email address or complaint suggestion column, enter the query code, and query the processing progress.
2. Contact the county government office for advice on how to query the query code of the county magistrate's mailbox, and they will provide specific guidance and help.
3. Go to the county government office for consultation and ask the staff how to check the query code of the county magistrate's mailbox, and they will provide you with relevant information and guidance.
Please note that the specific query method may vary from region to region. It is suggested that you refer to the official website of the local government, or contact relevant government agencies according to your specific area to obtain accurate inquiry methods and guidance.