查看MAC是否支持硬件虛擬化VT技術，Intel的Vanderpool的虛擬技術
sysctl -a | grep machdep.cpu.features
- Get into Recovery Mode by restarting and holding down ⌘+R until Apple logo appears.
- In the top menu click
Utilities > Terminal - In the Terminal window type:
csrutil enable --without kext
and press Enter.
- Then restart the Mac.