According to relevant information, the query shows: 12336. This is a complaint about illegal land use in the land department. Although 12345 is the mayor&;s hotline, you can call 12345 for any questions, but many questions in 12345 need to be handed over to the corresponding departments for handling, and then the corresponding departments will feed back to 12345, and then feed back to you in 12345, so it takes a long time to handle. It will be faster and more effective to call 12336 directly to report illegal construction.