When scanning the code, only half of the health code comes out, indicating that there is something wrong with the mobile phone. You should close it, open it later, and then scan it. Too many people, caused by the system.
If there is a yellow code, the diamond will disappear. Need to go to the hospital for nucleic acid testing, and it will be displayed after the audit is normal. You must inject more than 2 shots of vaccine to show the yellow edge with diamond. After the booster vaccination is completed, the gray diamond code will be displayed as a golden diamond code, and the vaccinator query interface will be marked with "booster vaccination".