It is possible that the user has not enough valid data for the call within the last 14 days, the WeChat trip code is based on the user's cell phone roaming record to record the trip track, the user needs to be in the last 14 days in a single day in a city call data and other records such as the earliest and latest time interval of more than 4 hours to show the trip.

Solution

It is recommended to try to make more phone calls, the earliest and latest time span in a day full of more than 4 hours, to be able to meet the 4-hour residency, show the trip.

What is the difference between trip codes and health codes?

Now, many people for the convenience of the health code directly on the desktop of the small program, directly click on it to enter, this health code can see everyone's status and whether the vaccine.

And the trip code, in addition to showing the green code, also shows the time that everyone enters the various venues here, as well as the time of departure, so that the track of action is also more clear.