Although the "health code" is only a two-dimensional code, it contains rich data information. In addition to containing the necessary personal basic information, there are authoritative data of relevant departments behind it. After background comparison and comprehensive judgment, these data form a "risk warning" and are coded to provide the public with epidemic prevention-related information and health information. Coding rules shall be adjusted in time according to epidemic prevention and control requirements.
If the content of the code deviates from the actual situation, it can be changed to the correct name through one code transfer. The way is as follows: first, open a code pass and enter the personal center. There are personal information complaints on the page. Click enter. If you want to modify the user name, click the ID card to modify it.