不要从app市场上下载wireguard，用brew安装，以命令的方式启动。

brew install wireguard-tools

vim wg-up.sh
wg-quick up /path/a.conf
wg-quick up /path/b.conf
wg-quick up /path/c.conf

vim wg-down.sh
wg-quick down /path/a.conf
wg-quick down /path/b.conf
wg-quick down /path/c.conf

启动和停止
sudo wg-up.sh
sudo wg-down.sh