关于.net4.5 websocket 的问题 在demo是能正常运行，整合到项目就报错？

WebSocket connection to 'ws://localhost:19431/API/Base/LuckySheet/nonlogin/LuckySheetEvent/UpdateUrl?user=t&t=111&g=' failed: One or more reserved bits are on: reserved1 = 0, reserved2 = 1, reserved3 = 0

在demo是能正常运行，整合到项目就报错
WebSocketReceiveResult result = await socket.ReceiveAsync(buffer, CancellationToken.None); 这里返回出去就报错了
以下是我的代码
后台：

while (true)
                {
                    if (socket.State == WebSocketState.Open)
                    {
                        ArraySegment<byte> buffer = new ArraySegment<byte>(new byte[12048]);
                        WebSocketReceiveResult result = await socket.ReceiveAsync(buffer, CancellationToken.None);

                        #region 消息处理（字符截取、消息转发）
                        try
                        {
                            #region 关闭Socket处理，删除连接池
                            if (socket.State != WebSocketState.Open)//连接关闭
                            {
                                if (CONNECT_POOL.ContainsKey(user)) CONNECT_POOL.Remove(user);//删除连接池
                                break;
                            }
                            #endregion

                            string userMsg = Encoding.UTF8.GetString(buffer.Array, 0, result.Count);//发送过来的消息
                            if ("rub".Equals(userMsg))
                            {
                                await socket.SendAsync(buffer, WebSocketMessageType.Text, true, CancellationToken.None);
                            }
                            string strData = PakkUtil.UnZip(userMsg); 
                            userMsg = Uri.UnescapeDataString(strData);
                            dynamic jsonObject = JsonConvert.DeserializeObject<dynamic>(userMsg);
                            int type = 0;
                            string t = jsonObject["t"].ToString();
                            foreach (var key in CONNECT_POOL.Keys)
                            { 
                                var conn = CONNECT_POOL[key];
                                if (conn == socket)
                                {
                                    continue;
                                }                                
                                if ("mv".Equals(t))
                                {
                                    type = 3;
                                }
                                else if (!"shs".Equals(t))
                                {
                                    type = 2;
                                }
                                updateData msg = new updateData()
                                {
                                    createTime = DateTime.Now.ToString(),
                                    returnMessage = "success",
                                    id = user,
                                    type = type,
                                    status = "0",
                                    data = userMsg,
                                    username = user
                                };
                                string json = JsonConvert.SerializeObject(msg);
                                buffer = new ArraySegment<byte>(Encoding.UTF8.GetBytes(json));
                                await conn.SendAsync(buffer, WebSocketMessageType.Text, true, CancellationToken.None);
                            } 
                            
                        }
                        catch (Exception exs)
                        {
                            //消息转发异常处理，本次消息忽略 继续监听接下来的消息
                        }
                        #endregion
                    }

看看项目的配置文件是哪个，是不是不同。