What does a health certificate with a needle and a sword tag mean?

There is a needle in the upper right corner of the health code to represent the second injection of COVID-19 vaccine, and the crown on the health code represents that the owner of the health code has been vaccinated with novel coronavirus vaccine. After the first injection, the health code will have a yellow square frame with a crown at the top, and a yellow injection needle will appear at the right angle on the left above the yellow square frame.