Change wifi dhcp client get ip from router ip pool to static ip:

Login web control panel after setup wifi 

Yun network setting:

wlan (WIFI) 

mode:sta for managed (client) mode

dhcp client get ip from router ip pool 

(192.168.0.X)

eth1 (ethernet)

dhcp client get ip from router ip pool

(192.168.0.X)

nano  /root/sta2.sh
#!/bin/ash
uci set network.lan._orig_ifname=wlan0
uci set network.lan._orig_bridge=false
uci set network.lan.proto=static
uci set network.lan.ipaddr=192.168.0.3
uci set network.lan.netmask=255.255.255.0
uci set network.lan.gateway=192.168.0.1
uci set network.lan.dns=192.168.0.1
/sbin/uci commit network
/etc/init.d/network restart
chmod 755 /root/sta2.sh
/root/sta2.sh