diff --git a/F6/MsgHandler.cs b/F6/MsgHandler.cs
index 6b80f98..ea12722 100644
--- a/F6/MsgHandler.cs
+++ b/F6/MsgHandler.cs
@@ -9,8 +9,8 @@ using pbr = global::Google.Protobuf.Reflection;
 
 namespace F6
 {
-    public delegate Google.Protobuf.IMessage CreateMsg();
-    public delegate void HandlerMsg(Google.Protobuf.IMessage msg);
+    internal delegate Google.Protobuf.IMessage CreateMsg();
+    internal delegate void HandlerMsg(Google.Protobuf.IMessage msg);
     internal class HandlerRec
     {
         internal CreateMsg createMsg;
@@ -19,8 +19,7 @@ namespace F6
 
     class MsgHandler
     {
-        public delegate void HandlerDelegate(int msgId, byte[] msg);
-        public delegate void HandlerDelegateEx<in T>(T msg);
+        public delegate void HandlerDelegate<in T>(T msg);
 
         private Type cmMsgType;
         private Type smMsgType;
@@ -60,7 +59,7 @@ namespace F6
             return 0;
         }
 
-        protected void RegisterHandler<T>(HandlerDelegateEx<T> handler) where T : IMessage<T> ,new()
+        protected void RegisterHandler<T>(HandlerDelegate<T> handler) where T : IMessage<T> ,new()
         {
             int msgId = this.GetSMMsgId(typeof(T).Name);
             HandlerRec handler1;
diff --git a/Net/BattleHandler.cs b/Net/BattleHandler.cs
index c4bced4..a669539 100644
--- a/Net/BattleHandler.cs
+++ b/Net/BattleHandler.cs
@@ -8,7 +8,7 @@ namespace Net
 {
     class BattleHandler : F6.MsgHandler
     {
-        public HandlerDelegateEx<battle.cs.SMKcpHandshake> SMKcpHandshakeHandler;
+        public HandlerDelegate<battle.cs.SMKcpHandshake> SMKcpHandshakeHandler;
 
         public BattleHandler(): base(typeof(battle.cs.CMMessageId_e), typeof(battle.cs.SMMessageId_e))
         {
diff --git a/Net/ClientNet.cs b/Net/ClientNet.cs
index ebdf0b2..f9bb014 100644
--- a/Net/ClientNet.cs
+++ b/Net/ClientNet.cs
@@ -96,6 +96,7 @@ namespace Net
                 data[9] = (byte)((magicCode & 0xFFFF) >> 8);
                 data[10] = 0;
                 data[11] = 0;
+                
                 msg.ToByteArray().CopyTo(data, 12);
                 this.ws.Send(data);
             }catch(Exception e)