请问COCOS 2.0 版本的socket.io 是哪个版本呢?

我这出了一个这个错,不知道是不是服务端与客户端的socket.io版本不匹配导致的。还麻烦高手能帮忙看看。

Simulator: JSB SocketIO eventName to: ‘hello’
Simulator: Websocket error received: 1
Simulator: JSB SocketIO::SIODelegate->onClose method called from native
Simulator: JSB SocketIO::SIODelegate->fireEventToScript method called from native with name ‘disconnect’ data:
Simulator: disconnect …