部分功能描述：
1.用户注册，用户登录，国际化语言版本切换，自动登录
2.设备查看，设备管理，设备进行重点扫描设置
3.事件查看，历史事件查看，影片查看，影片管理，影片播放
4.设置管理，设置用户权限，查看软件版本，查看软件描述
Part of the functional description:
1 user registration, user login, international language version of the switch, auto-login
(2) equipment to view, device management, device priority scan setting
3 Event Viewer, to view historical events, video viewing, video management, video playback
4 Set the management setting user permissions, see the software version, see the Software Description
