Why did Nantong Bai Tong retreat?

Because multiple IPS are logged in at the same time. Nantong Baitong is a public place. The verification APP of the local code is mainly because everyone logs in at the same time in a short time. Later, the pressure of Nantong Baitong was obviously alleviated because of the introduction of good passwords. At present, the use of Nantong Baitong has returned to normal, but sometimes there are still some jams.