At the end of this paper , in system implement , we introduce the precised popedom mechanism . new concept , such as : retable . authorising center and duty agent is puted forword , and this system is finished by three - tire c / s structure 最后,在系统实现时,采用严谨的权限管理机制,提出群组、职务代理人、核决中心的概念,并采用三层c / s架构进行了系统开发。