Upon receiving the message of violation, the inquiry also shows that 0 yuan will be fined, 0 will be deducted, and the service fee will be 38 yuan. What happened?

You don't have to deal with this. Illegal SMS is just to inform you, not necessarily accurate. Many of them are advertising messages. For illegal activities with uncertain vehicles, it is best to log on to the website of the Transportation Bureau where the motor vehicle is registered. You can also search for "vehicle violation" on Baidu (or directly search for the location of vehicle violation XX), and enter the inquiry system (that is, the local public security traffic police network) on 12 123 website to make an inquiry according to the location. Generally, you need to enter the license plate number or vehicle identification number (usually the frame number).