May be the anomaly caused by the bad signal of the cell phone, change a place with good signal.

As of March 25, 2020, the cumulative number of queries has exceeded 450 million.

From 20:30 on January 8, 2021, the trip card will no longer mark the names of cities and towns containing medium- and high-risk areas in red, and will be changed to include medium- and high-risk areas in the bracketed remarks after the city name, with the remarks serving only as a travel reminder and not associated with health status.?

March 30, the national government service platform "epidemic prevention health code" has integrated "communication big data trip card" related information, can be displayed in the health code users, whether they have been to medium and high risk areas and other trip information, help health code "The company's website has been updated with the latest information on the company's website.

August 5, the State Council Joint Prevention and Control Mechanism held a press conference, "communication itinerary card" cumulative query service of more than 12 billion times, become an important means of prevention and control of the epidemic around the world.

September 2021, in order to help the masses travel safely, the national government service platform to the health code and trip code integration "one page can check", open Alipay's health code at the same time can see the trip code. This means that the health code, trip code in the national comprehensive realization of a page pass type "two codes in one".