树莓派连接wifi “Could not communicate with wpa_supplicant”

终端执行：

sudo vim /etc/network/interfaces

底部加入：
allow-hotplug wlan0
iface wlan0 inet manual
wpa-conf /etc/wpa_supplicant/wpa_supplicant.conf

终端启用服务：
sudo systemctl enable wpa_supplicant.service

重启即可
sudo reboot now