2. Then click My App in the App Store.
3. Find the link of Sichuan Tianfu Health that needs to be updated here and click the update button at the back to update it. "Sichuan Tianfu Health Link" is a two-dimensional electronic certificate used to show personal health status in epidemic prevention and control according to the needs of epidemic prevention and control in Sichuan Province. It is the basis of epidemic prevention and control inspection and unified health coding in the whole province, with one person and one yard.