Add the option for a backup channel that is already connected for the Failover transport.
当传输失败时，可以为已建立连接的备份通道增加选项。
You are already connected to this server!
你已经连接到了这个服务器。
A connect request was made on an already connected socket.
在一个已经连接的套接字上做了一个连接请求。
A connect request was made on an already connected socket.
在一个已经连接的套接字上做了一个连接请求。
应用推荐