How long can Sichuan Tianfu health code be renewed?

It is updated every 24 hours. Sichuan Tianfu Health Link is a unified health code in Sichuan, and it is also a two-dimensional code electronic certificate that shows personal health status in COVID-19 epidemic prevention and control in Sichuan. The province implements one person, one yard, clear code access and real-name authentication, which is updated once every 24 hours to ensure the continuous updating of the content.