该文件是课程管理系统相关文件，包括源码、需求规格说明书和详细设计说明书，采用mvc模式开发。主要实现功能是课程管理、项目管理、小组管理、用户和权限管理、作业管理、通知管理、消息管理、论坛管理和日志管理等几个模块，详细功能请参照需求规格说明书。-This file is course management system-related files, including source code, requirements specification and detailed design specifications, using mvc model development. Main function is to achieve the program management, project management, team management, user and rights management, operations management, notification management, news management, forum management and log management, and several other modules, please refer to detailed functional requirements specification.