启明星员工请假加班系统可以让员工进行请假和加班。核心功能包括：年休假管理，调休管理，假种管理，多级审批，邮件通知， 微信请假，数据报表，部门加单，图表视图，数据导出等。(The system of asking for leave and overtime work can enable employees to ask for leave and work overtime. The core functions include: annual vacation management, vac