求助各位大神，我在安装SSR(luci-app-shadowsocksR-GFW_1.2.1_all.ipk)，提示有错误（PuTTY提示如下）。其实在路由器后台serives显示已经安装上了，但是就是一只无法运行。求助大神怎么解决，万分感谢！
Configuring kmod-ipt-tproxy.
Configuring coreutils.
Configuring coreutils-base64.
Configuring libnettle.
Configuring libnfnetlink.
Configuring kmod-nf-conntrack-netlink.
Configuring libnetfilter-conntrack.
Configuring iptables-mod-tproxy.
Configuring dnsmasq-full.
udhcpc: started, v1.25.1
udhcpc: sending discover
udhcpc: no lease, failing
Configuring luci-app-shadowsocksR-GFW.
udhcpc: started, v1.25.1
udhcpc: sending discover
udhcpc: no lease, failing
Collected errors:
- resolve_conffiles: Existing conffile /etc/config/dhcp is different from the conffile in the new package. The new conffile will be placed at /etc/config/dhcp-opkg.