The health code changed from red to green. How to reapply for the health code?

When the health code changes to a red code, you need to apply for changing to a green code according to the following steps: open Alipay app on your mobile phone and click the health code option. Select the health code conversion registration below. After entering the interface, select the red code transcoding application. Fill in the relevant information according to the page prompts and submit it. According to the laws and regulations related to epidemic prevention in China, such as the Law on the Prevention and Control of Infectious Diseases in People's Republic of China (PRC) and the Emergency Regulations for Public Health Emergencies, the "three codes" of green, yellow and red are generated after automatic background review and automatic conversion of applicants. Holders of yellow and red codes will automatically convert their health codes into green codes after meeting the requirements.