Mac TimeMachine 备份至smb/samba

首先我已经把移动硬盘连接到了路由器上，通过smb共享了出来
接下来主要参考：
https://www.jianshu.com/p/388998fada12
https://www.imore.com/how-use-time-machine-backup-your-mac-windows-shared-folder