事件：'timeout'

¥Event: 'timeout'

当底层套接字因不活动而超时时触发。这仅通知套接字已空闲。必须手动销毁请求。

¥Emitted when the underlying socket times out from inactivity. This only notifies that the socket has been idle. The request must be destroyed manually.

也可以看看：request.setTimeout()。

¥See also: request.setTimeout().