User registration/login description：
1、Presentation user name：demouser；password： demo1234
2、Before using the email, you need to configure related emails in the user management component. Please refer to the tutorial for details：《Configure related emails in user management》
3、There are three ways to review new users after registration: automatic approval, email activation, requiring
administrator approval (i.e., manual review). For details, please refer to the tutorial《How to set the audit mode after user registration》