vi /etc/NetworkManager/NetworkManager.conf
[device]
wifi.scan-rand-mac-address=no

特别坑，莫名其妙的powerpill -Syu以后无线网卡就不停的尝试重连WIFI。只能换回有线网卡用，看报错日志，百思不得其解。原来是DEEPIN的BUG。

https://wiki.archlinux.org/index.php/Deepin_Desktop_Environment