wget http://downloads.openwrt.org/attitude_adjustment/12.09/ar71xx/generic/OpenWrt-ImageBuilder-ar71xx_generic-for-linux-i486.tar.bz2
tar -xvjf OpenWrt-ImageBuilder-ar71xx_generic-for-linux-i486.tar.bz2
cd OpenWrt-ImageBuilder-ar71xx_generic-for-linux-i486
make image PROFILE=WHRG301N PACKAGES="luci luci-i18n-chinese kmod-ipv6 iptables-mod-nat-extra shadowsocks-libev-polarssl curl"