为什么我发送的协议获取的页面没有响应头啊？

[wsj1987]

public string SocketSendReceive(string[] path, int port)
	    {

            string request = string.Format("GET /{0} HTTP/1.1\r\nHost: {1}\r\nConnection: Close\r\n\r\n", path[1], path[0]);
	        Byte[] bytesSent = Encoding.ASCII.GetBytes(request);
	        Byte[] bytesReceived = new Byte[8192];
            
            
            //char[] s"Content-Length: "

	        // Create a socket connection with the specified server and port.
	        Socket s = GetSocket();
	
	        if (s == null)
	            return ("Connection failed");
	
	        // Send request to the server.
	        s.Send(bytesSent, bytesSent.Length, 0);  
	
	        // Receive the server home page content.
	        int bytes = 0;
            int nRevIndex = 0;
            // create sPage buffer
            byte[] arrbtPage = new byte[200000];
            Array.Clear(arrbtPage, 0, 200000);

            // The following will block until te sPage is transmitted.
            long nStartRev = DateTime.Now.Ticks;
            long nEndRev = DateTime.Now.Ticks;
            try
            {
                do
                {
                    if (s.Poll(-1, SelectMode.SelectRead))
                    {
                        bytes = s.Receive(bytesReceived, bytesReceived.Length, SocketFlags.None);
                        
                        nRevIndex = nRevIndex + bytes;
                        //System.Diagnostics.Debug.WriteLine("::" + bytesReceived.ToString());
                        Array.Copy(bytesReceived, 0, arrbtPage, nRevIndex, bytes);
                        //bytesReceived
                    }
                    nEndRev = DateTime.Now.Ticks;
                }
                while (bytes > 0 && nEndRev - nStartRev < 100000000);
                // 判断是否为UTF8编码，否则为GB2312
                if (Encode.IsUtf8(arrbtPage, arrbtPage.Length))
                {
                    m_sPage.Append(Encoding.UTF8.GetString(arrbtPage));
                }
                else
                {
                    m_sPage.Append(Encoding.GetEncoding(936).GetString(arrbtPage));
                }
            }
            catch
            {
                return string.Empty;
            }
            return m_sPage.ToString();
	    }

是不是少了什么

[wsj1987]

来人啊！～获取的页面只有HTML的内容，没有头部分