官方最新openwrt的luci点击打开显示以下问题 ！！！无法使用！！！

[zxlhhyccc]

Failed to execute cbi dispatcher target for entry '/admin/network/qos_gargoyle/global'.
The called action terminated with an exception:
/usr/lib/lua/luci/model/qos_gargoyle.lua:30: attempt to call method 'get_wannet' (a nil value)
stack traceback:
/usr/lib/lua/luci/model/qos_gargoyle.lua:30: in function 'get_wan'
/usr/lib/lua/luci/model/cbi/qos_gargoyle/global.lua:107: in function 'func'
/usr/lib/lua/luci/cbi.lua:66: in function 'load'
/usr/lib/lua/luci/dispatcher.lua:943: in function </usr/lib/lua/luci/dispatcher.lua:937>

[fuqiang03]

function @get_wan()
local net = require "luci.model.network".init()
local wan_nets = net:get_wan_networks()
return wan_nets and #wan_nets > 0 and wan_nets[1]
end

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