diff --git a/SocketStudy/PComm/PClient.cs b/SocketStudy/PComm/PClient.cs
index 62bff9f..af0c83a 100644
--- a/SocketStudy/PComm/PClient.cs
+++ b/SocketStudy/PComm/PClient.cs
@@ -62,12 +62,22 @@ namespace PComm
 			if (socket == null || !socket.Connected)
 				socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
 
-			socket.Connect(this.EndPoint);
+			try
+			{
+				socket.Connect(this.EndPoint);
 
-			// send ID
-			this.Send(PDataType.ClientID, Encoding.UTF8.GetBytes(this.ID));
+				// send ID
+				this.Send(PDataType.ClientID, Encoding.UTF8.GetBytes(this.ID));
 
-			socket.BeginReceive(new byte[] { 0 }, 0, 0, 0, AcceptCallback, null);
+				socket.BeginReceive(new byte[] { 0 }, 0, 0, 0, AcceptCallback, null);
+			}
+			catch(Exception ex)
+			{
+				Debug.WriteLine($"[ERROR] Socket connect fail({this.EndPoint.ToString()}): {ex.Message}");
+				PFileManager.Instance.WriteLog($"[ERROR] Socket connect fail({this.EndPoint.ToString()}): {ex.Message}");
+
+				Connect();
+			}
 		}
 
 		private int SendToSocket(byte[] buffer)