说明：  Xshell5免费版(带注册码，可解决"评估期已过"重装无效的问题)下载 Xshell5免费版（带注册码），可解决"评估期已过"重装无效的问题，只需要把原有的软件卸载，重新安装此版本就可以使用
(Xshell5 free version (with a registration code, to solve the "evaluation period has been over" reloading of the problem of downloading The free version of Xshell5 (with registration code) can solve the problem of reloading and invalidation. It only needs to uninstall the original software and reinstall the version.)