diff --git a/cpp/protoutils.cc b/cpp/protoutils.cc
index 0b363c5..bc7c800 100644
--- a/cpp/protoutils.cc
+++ b/cpp/protoutils.cc
@@ -3,6 +3,7 @@
 #include "framework/cpp/protoutils.h"
 
 #include <a8/tcpclient.h>
+#include <a8/tcpclient2.h>
 #include <a8/tcplistener.h>
 
 #include <google/protobuf/message.h>
@@ -95,6 +96,25 @@ namespace f8
         return sizeof(PackHead) + packlen;
     }
 
+    int Net_SendMsg(a8::TcpClient2* tcp_client, unsigned seqid, unsigned short msgid,
+                    ::google::protobuf::Message& msg)
+    {
+        int packlen = msg.ByteSize();
+        assert(packlen < 1024 * 60);
+
+        char* buff = (char*)malloc(sizeof(PackHead) + packlen);
+        PackHead* head = (PackHead*)buff;
+        head->packlen = packlen;
+        head->msgid = msgid;
+        head->seqid = seqid;
+        head->magic_code = MAGIC_CODE;
+        head->rpc_error_code = 0;
+        msg.SerializeToArray(buff + sizeof(PackHead), packlen);
+        tcp_client->SendBuff(buff, sizeof(PackHead) + packlen);
+        free(buff);
+        return sizeof(PackHead) + packlen;
+    }
+
     int Net_SendBigMsg(a8::TcpClient* tcp_client, unsigned seqid, unsigned short msgid,
                     ::google::protobuf::Message& msg)
     {
diff --git a/cpp/protoutils.h b/cpp/protoutils.h
index 3cf8459..92e3be2 100644
--- a/cpp/protoutils.h
+++ b/cpp/protoutils.h
@@ -12,6 +12,7 @@ namespace google
 namespace a8
 {
     class TcpClient;
+    class TcpClient2;
     class TcpListener;
 }
 
@@ -94,6 +95,8 @@ namespace f8
     void Net_PackMsg(unsigned short msgid, ::google::protobuf::Message& msg, std::string& out);
     int Net_SendMsg(a8::TcpClient* tcp_client, unsigned int seqid,
                     unsigned short msgid, ::google::protobuf::Message& msg);
+    int Net_SendMsg(a8::TcpClient2* tcp_client, unsigned int seqid,
+                    unsigned short msgid, ::google::protobuf::Message& msg);
     int Net_SendBigMsg(a8::TcpClient* tcp_client, unsigned int seqid,
                        unsigned short msgid, ::google::protobuf::Message& msg);
     int Net_SendMsg(a8::TcpClient* tcp_client, unsigned int seqid, unsigned short msgid,