Generally speaking, this problem will also appear in the health code. Too many people declare at the same time, which leads to great pressure on the system and blocked operation (it is best to enter the refresh several times).
If WeChat travel itinerary code can't be opened, you can directly open Alipay, search for travel itinerary code, fill in relevant information, and then query personal travel itinerary code.
Travel codes can be used in different scenarios, such as community management, enterprise recovery, transportation, school opening, drug purchase registration, supermarkets, shopping centers and so on. Using these scenarios, we can better do key work such as epidemic prevention management and epidemic control. Using sanitary standards can improve the inspection efficiency, especially in office buildings, shopping centers, subways, railway stations and other crowded places. It is worth mentioning that health laws and regulations have achieved cross-provincial mutual recognition. As of March 20, 2020, the health regulations in most parts of the country can pass one regulation.