求助，设置防火墙端口转发 保存完就成这样了，该怎么办？

y_ang_kun

/usr/lib/lua/luci/dispatcher.lua:469: Failed to execute function dispatcher target for entry '/'.
The called action terminated with an exception:
/usr/lib/lua/luci/util.lua:627: Unable to establish ubus connection
stack traceback:
        [C]: in function 'assert'
        /usr/lib/lua/luci/dispatcher.lua:469: in function 'dispatch'
        /usr/lib/lua/luci/dispatcher.lua:121: in function </usr/lib/lua/luci/dispatcher.lua:120>