异常：指定的参数已超出有效值的范围，参数名：size、远程主机强迫关闭了一个现有连接。求大侠们帮帮忙，谢谢！

 //接收数据头

        void ReceiveHeader(System.IAsyncResult ar)

        {

            NetBitStream stream = (NetBitStream)ar.AsyncState;

            try

            {

                int read = stream._socket.EndReceive(ar);

                if (read < 1)

                {

                    PushPacket((ushort)MessageIdentifiers.ID.CONNECTION_LOST,"", stream._socket);

                    return;

                }

                stream.DecodeHeader();

                stream._socket.BeginReceive(stream.BYTES, NetBitStream.header_length, stream.BodyLength, SocketFlags.None, new System.AsyncCallback(ReceiveBody), stream);

            }

            catch (System.Exception e)

            {

                Console.WriteLine(e.Message);//异常信息：远程主机强迫关闭了一个现有连接

                Console.WriteLine("1333333333333it is here!");//////////////////////////////////////////////////////////////////////////////////////////

                //异常信息：指定的参数已超出有效值的范围，参数名：size

                

                Console.ReadKey();

                PushPacket((ushort)MessageIdentifiers.ID.CONNECTION_LOST, e.Message, stream._socket);



            }

        }