Download the APP on your mobile phone and log in to the original account to send it. Account information will not change with the replacement of mobile phones.
Health codes are based on actual data and can be generated by citizens or people who have returned to work through online declaration and background audit. As an individual in and out of electronic certificate, the QR code can be declared at one time, and the universal health code of the whole city is launched, aiming at making the work return more accurate, scientific and orderly.