Most people's communication big data travel cards and health codes are green, that is, they were in a relatively safe environment in the past 14 days. Besides the green card, there are yellow Kaka, orange card and red card. There is a little star now.
The name of the city is marked with an asterisk, which means that there are medium or high-risk areas in the city you have been to in the past 14 days, but this does not mean that you have actually been to these medium or high-risk areas.