库存管理系统主要由【货物管理】、【基本档案】、【查询统计】、【系统维护】和【帮助】等模块组成。进入该系统后，用户可以对系统中的一些基本信息进行添加、修改和删除等操作。另外，如果是管理员登录，还可以对用户的权限、用户名和密码进行修改。(nventory management system is mainly composed of [cargo management], [basic archives], [inquiry statistics], [system maintenance] and [help] modules. After entering the system, users can add, modify and delete some basic information in the system. In addition, if the administrator logs in, the user's rights, username and password can also be modified.)