1.The user name contains 6 to 32 characters, including case insensitive letters, digits, and special
characters
2.The password contains at least 8 to 32 characters, including at least two types of the following
characters: uppercase letters, lowercase letters, digits, and special characters.
3. The user name and password must be different.
4. The avatar size cannot exceed 512 KB. Only .jpg, .png, .jpeg, and .bmp formats are supported.
After the user name or password is changed, the current user is forced to log out of the system. The
system can be used only after re-login.
