套接字。使用$location.path()时，io不会连接。

I want to use socket.io only at one section of my webapp. I use socket.io's set('authorization', fn) for handshaking the current context(express session and page-id). This works great when I refresh the current page, but does not when routing is handled by $location.path(url).I want to use socket.io only at one section of