diff --git a/server/wsproxy/downstream.cc b/server/wsproxy/downstream.cc
index 027c4a5..d454ff4 100644
--- a/server/wsproxy/downstream.cc
+++ b/server/wsproxy/downstream.cc
@@ -1,3 +1,8 @@
 #include "precompile.h"
 
 #include "downstream.h"
+
+void DownStream::ForwardUpStreamMsg(f8::MsgHdr& hdr)
+{
+
+}
diff --git a/server/wsproxy/downstream.h b/server/wsproxy/downstream.h
index 2a10e92..8f7b9ad 100644
--- a/server/wsproxy/downstream.h
+++ b/server/wsproxy/downstream.h
@@ -7,4 +7,5 @@ class DownStream
     int socket_handle = a8::INVALID_SOCKET_HANDLE;
     std::weak_ptr<UpStream> conn;
 
+    void ForwardUpStreamMsg(f8::MsgHdr& hdr);
 };