修复IOS真机运行KCP错误 (#99)

Unity/Assets/Model/Module/Message/Network/KCP/KChannel.cs

-using System;
+using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Net;
@@ -49,13 +49,10 @@ namespace ETModel
 			this.remoteEndPoint = remoteEndPoint;
 			this.socket = socket;
 			this.kcp = Kcp.KcpCreate(this.RemoteConn, new IntPtr(this.LocalConn));
+
             Kcp.KcpSetoutput(
                 this.kcp,
-				(bytes, len, k, user) =>
-				{
-					KService.Output(bytes, len, user);
-					return len;
-				}
+				Kcp_output
             );
 			Kcp.KcpNodelay(this.kcp, 1, 10, 1, 1);
 			Kcp.KcpWndsize(this.kcp, 256, 256);
@@ -153,11 +150,7 @@ namespace ETModel
 			this.kcp = Kcp.KcpCreate(this.RemoteConn, new IntPtr(this.LocalConn));
 			Kcp.KcpSetoutput(
 				this.kcp,
-				(bytes, len, k, user) =>
-				{
-					KService.Output(bytes, len, user);
-					return len;
-				}
+				Kcp_output
 			);
 			Kcp.KcpNodelay(this.kcp, 1, 10, 1, 1);
 			Kcp.KcpWndsize(this.kcp, 256, 256);
@@ -401,6 +394,13 @@ namespace ETModel
 			}
 		}
 
+		[AOT.MonoPInvokeCallback(typeof(kcp_output))]
+		public static int Kcp_output(IntPtr bytes, int len, IntPtr kcp, IntPtr user)
+        {
+            KService.Output(bytes, len, user);
+            return len;
+        }
+
         private void KcpSend(byte[] buffers, int length)
 		{
 			if (this.IsDisposed)