What happens when Python grabs WeChat applet with fiddler and sends a request to return mysql exception?

Maybe some symbols were not escaped when they were sent. You can try to capture the sent packets with fiddler and compare them.

However, although I haven't tried it myself-maybe I don't have the needs and desires in this area at ordinary times-I often see people crawling on WeChat, which leads to the blocking of micro-signals. Theoretically, although the essence of crawler is the simulation of data packets, it is not easy to be blocked if the behavior and data packet structure are good. But there may still be a thousand, and there will always be some possible emergencies. If the data packet of the background WeChat applet has nothing to do with WeChat, say it separately.

In addition, sending SQL directly in the data packet, which ......

Don't say superfluous words, you should know best. Wechat is bound to the mobile phone number. If you really want to play like this, you should play with a trumpet.