Hunan health code explains what is called unqualified inspection in other provinces.

Hunan health code shows that the inspection in other provinces failed because a large number of people obtained the health code in a short time, which led to the paralysis of the system.

Too many people declare at the same time, which leads to great pressure on the system and blocked operation. Why don't you enter a refresh several times? Because the health code system has just started, there are too many applicants, and some users will report errors and the page will not be opened.