openwrt无法更新软件

OPENWRT在软件包点“刷新列表”后，长时间无响应，然后提示Bad Getaway The process did not produce any response。刷新页面在点“刷新列表”后，提示Collected errors:* opkg_conf_load: Could not lock /var/lock/opkg.lock: Resource temporarily unavailable.

解决方法：打开SSH工具连接路由器，输入以下命令：

1. echo "nameserver 114.114.114.114">/tmp/resolv.conf
2. rm -f /var/lock/opkg.lock
3. opkg update