Tianfu health travel panda is not due to system maintenance.
On February 2, 2020, KLOC-0, Chengdu officially launched the "Tianfu Health Link" WeChat applet. People in Chengdu and those waiting to join Chengdu can enter the "Tianfu Health Link" WeChat applet by scanning the QR code through WeChat, and independently declare and receive the "Tianfu Health Code".
Health codes are marked with red, yellow, green and three-color two-dimensional codes, and public places are classified and controlled according to the general principle of "no red codes, no yellow codes and no green codes".