127.0.0.1 - - [Tue, 29 Jul 2014 10:01:51 GMT] "GET /dashboard HTTP/1.1" 304 - "http://127.0.0.1:3000/dashboard" "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/33.0.1750.152 Safari/537.36" 用的是express