求助安装airplay2软件包后后台管理页面出错了

fan***

错误如下,新手求指教./usr/lib/lua/luci/controller/shairport-sync.lua:13：尝试索引全局“页面”（nil值）堆栈回溯：        /usr/lib/lua/luci/controller/shairport-sync.lua:13：在函数'v'中        /usr/lib/lua/luci/dispatcher.lua:1219：在函数'createtree'中        /usr/lib/lua/luci/dispatcher.lua:695：在功能'menu_json'中        /usr/lib/lua/luci/dispatcher.lua:796：在函数'dispatch'中        /usr/lib/lua/luci/dispatcher.lua:479：在函数</usr/lib/lua/luci/dispatcher.lua:478>