记录：
sudo nano /etc/network/interfaces
修改：
auto wlan0 allow-hotplug wlan0 iface wlan0 inet static address 192.168.2.111 netmask 255.255.255.0 gateway 192.168.2.1 wpa-ssid @PHICOMM_E8_2G wpa-passphrase xxxxxxxx
记录：
sudo nano /etc/network/interfaces
修改：
auto wlan0 allow-hotplug wlan0 iface wlan0 inet static address 192.168.2.111 netmask 255.255.255.0 gateway 192.168.2.1 wpa-ssid @PHICOMM_E8_2G wpa-passphrase xxxxxxxx