3S 系统公网访问服务已经关闭，请通过VPN通道或者浏览器无痕模式访问，如有技术问题请联系公司IT部门。

浏览器无痕模式快捷键打开方式： 1.win系统: "Shift+Ctrl+N"   2.苹果: "Shift+Command+N"

The public access to 3S system was shut down, please go through VPN channel or browser incognito mode. Should you have any technical problem, please contact IT department.

The shortcut key to open the incognito mode of the browser: 1.Windows: "Shift+Ctrl+N"   2.Mac: "Shift+Command+N"