From 0:00 on December 13th, the communication trip card service will be officially offline. Communication trip card SMS, web page, WeChat small program, Alipay small program, APP and other inquiry channels will be synchronized offline will not be displayed.

Communication big data itinerary card, itinerary code is communication big data itinerary card, since the new crown epidemic has been used to date, it is powerful, can effectively record the track of each person's action, is an important tool to prevent and fight the epidemic, it can be said that the itinerary code to a large extent, effective management of provincial and municipal epidemics.