Communication Big Data is usually 14 days to update, but the specifics of each city to see the specifics of each city, such as ever been to the place, or is now located in the place, the epidemic is serious, or medium-high risk areas, that will not be canceled, or even the yellow code, if the low-risk areas, you can diligently do the nucleic acid to report to the local community, that with the star is not so serious.