I'm not sure how it happened, but a few days ago, every time I tried to park, it failed, yet the system still showed that it was successful. This really puzzled me for quite some time. Today, I finally had the time and motivation to solve this issue. After checking, I noticed that in the parking interface of "Happy Parking," there was an additional parameter: **a=1**. I don't know what this parameter means, but I added it anyway, and now parking works again!
One more thing to mention: there are a few people who keep giving me tickets. While I was at it, I also added a blacklist feature. The usage method is as follows...