You can wait patiently or replace a stable network attempt, restart Alipay attempt, or wait patiently for the official repair attempt. If not, contact Alipay Health Code Customer Service to explain the situation and understand the solution.
Health codes are based on real data and can be generated by citizens or people who have returned to work through online declaration and background audit. As a personal entry and exit area in electronic certificate, the QR code can be declared once, which is universal in the whole city.