diff --git a/f8/protoutils.cc b/f8/protoutils.cc
index 24397fd..66f447e 100644
--- a/f8/protoutils.cc
+++ b/f8/protoutils.cc
@@ -92,6 +92,24 @@ namespace f8
         return sizeof(PackHead) + packlen;
     }
 
+    int Net_SendMsg(a8::AsioTcpClient* tcp_client, unsigned seqid, unsigned short msgid,
+                    const ::google::protobuf::Message& msg)
+    {
+        int packlen = msg.ByteSize();
+
+        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->ext_len = packlen >> 16;
+        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/f8/protoutils.h b/f8/protoutils.h
index 19664ea..ff51951 100644
--- a/f8/protoutils.h
+++ b/f8/protoutils.h
@@ -89,6 +89,8 @@ 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, const ::google::protobuf::Message& msg);
+    int Net_SendMsg(a8::AsioTcpClient* tcp_client, unsigned int seqid,
+                    unsigned short msgid, const ::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,