Update KBEngine.cs

Author: kebiao

Assets/Plugins/kbengine_unity3d_plugins/KBEngine.cs

@@ -88,7 +88,7 @@ public enum NETWORK_ENCRYPT_TYPE
 
 		// 服务端与客户端的版本号以及协议MD5
 		public string serverVersion = "";
-		public string clientVersion = "2.5.3";
+		public string clientVersion = "2.5.4";
 		public string serverScriptVersion = "";
 		public string clientScriptVersion = "0.1.0";
 		public string serverProtocolMD5 = "ACE55A2934030C0DA3446BA0E5FAB5DD";