Which is the storage time of health Baoji and Shaanxi one-yard QR code?

Shaanxi one code pass. In order to ensure the control of the epidemic situation in Shaanxi Province, one-code communication between healthy Baoji and Shaanxi was launched. Both softwares provide Shaanxi health code, but the health Baoji QR code is updated once every 1 day, and the Shaanxi One Code Tong QR code is updated once every two days, so the Shaanxi One Code Tong QR code can be saved for a longer time. Shaanxi, referred to as Shaanxi or Qin for short, is a provincial-level administrative region of People's Republic of China (PRC), with an as its capital and located in the hinterland of China.