NET environment. The user ID system is a common system for user identity management, it consists of five function modules which are user management, identity authentication, entity management, login monitor and message management.

• 统一身份认证系统是一个通用的统一用户身份认证管理系统，包括用户管理、身份验证、实体管理、日志监控和消息管理等功能，达到了一次登录，所有系统共用的目的。