help me

[sweet0416]

ssh输入代码 opkg install luci luci-base luci-compat
登录界面无法登录并显示如下代码
/usr/lib/lua/luci/controller/ddns.lua:14: module 'luci.model.ipkg' not found:
no field package.preload['luci.model.ipkg']
no file './luci/model/ipkg.lua'
no file '/usr/share/lua/luci/model/ipkg.lua'
no file '/usr/share/lua/luci/model/ipkg/init.lua'
no file '/usr/lib/lua/luci/model/ipkg.lua'
no file '/usr/lib/lua/luci/model/ipkg/init.lua'
no file './luci/model/ipkg.so'
no file '/usr/lib/lua/luci/model/ipkg.so'
no file '/usr/lib/lua/loadall.so'
no file './luci.so'
no file '/usr/lib/lua/luci.so'
no file '/usr/lib/lua/loadall.so'
stack traceback:
[C]: in function 'require'
/usr/lib/lua/luci/controller/ddns.lua:14: in main chunk
[C]: in function 'require'
/usr/lib/lua/luci/dispatcher.lua:531: in function 'createindex'
/usr/lib/lua/luci/dispatcher.lua:558: in function 'createtree'
/usr/lib/lua/luci/dispatcher.lua:243: in function 'dispatch'
/usr/lib/lua/luci/dispatcher.lua:121: in function </usr/lib/lua/luci/dispatcher.lua:120>