关机,然后长按电源键直至开机进入恢复模式,找到终端,
键入csrutil disable 回车执行。
等待执行结果,直到出现 System Integrity Protection is off.证明 SIP 已关闭
重新开机,打开终端,依次键入
sudo rm /var/db/ConfigurationProfiles/Settings/.cloudConfigHasActivationRecoro
sudo rm /var/db/ConfigurationProfiles/Settings/.cloudConfigRecordFound
sudo touch /var/db/ConfigurationProfiles/Settings/.cloudConfigProfilelnstalled
sudo touch /var/db/ConfigurationProfiles/Settings/.cloudConfigRecordNotFound