First, for some common problems, we will dispel doubts on Alipay; Second, there is also robot customer service on Alipay; Third, at the end of applying for a health code, a "I want to consult" window will pop up, which can be accepted after clicking; Fourthly, for the problems that cannot be effectively solved through the above channels, you can also call the mayor's public telephone reception center 12345 for consultation.