diff --git a/SocketStudy/PComm/PClient.cs b/SocketStudy/PComm/PClient.cs
index bdb9f1d..7441ddf 100644
--- a/SocketStudy/PComm/PClient.cs
+++ b/SocketStudy/PComm/PClient.cs
@@ -14,7 +14,7 @@ namespace PComm
 {
 	public class PClient
 	{
-		private readonly int BUFF_SIZE = 8192;
+		//private readonly int BUFF_SIZE = 8192;
 
 		public delegate void ClientReceivedHandler(PClient sender, PDataType dataType, byte[] data);
 		public event ClientReceivedHandler OnReceived;
@@ -142,12 +142,13 @@ namespace PComm
 					while (dataSize > 0)
 					{
 						byte[] buff;
-						if (dataSize < BUFF_SIZE)
+						if (dataSize < socket.ReceiveBufferSize)
 							buff = new byte[dataSize];
 						else
-							buff = new byte[BUFF_SIZE];
+							buff = new byte[socket.ReceiveBufferSize];
 
-						int receiveSize = socket.Receive(buff, buff.Length, SocketFlags.None);
+						int receiveSize = socket.Receive(buff, socket.ReceiveBufferSize, SocketFlags.None);
+						//int receiveSize = socket.Receive(buff, buff.Length, SocketFlags.None);
 
 						ms.Write(buff, 0, buff.Length);
 						dataSize -= receiveSize;