diff --git a/server/wsproxy/mastermgr.cc b/server/wsproxy/mastermgr.cc
index 2f86ed1..61926c0 100644
--- a/server/wsproxy/mastermgr.cc
+++ b/server/wsproxy/mastermgr.cc
@@ -127,15 +127,14 @@ void MasterMgr::_SS_MS_HttpTunnelResponse(f8::MsgHdr* hdr, const ss::SS_MS_HttpT
             if (!conn.expired()) {
                 ss::SS_HttpTunnelRequest msg;
                 conn.lock()->SendMsg(req->socket_handle, msg);
-                if (!req->timer_wp.expired()) {
-                    f8::Timer::Instance()->Delete(req->timer_wp);
-                }
-                RemoveHttpTunnelRequest(req->socket_handle);
                 return;
             } else {
                 abort();
             }
         } else {
+            req->request->GetResp()->SetVal("errcode", 500);
+            req->request->GetResp()->SetVal("errmsg", "server internal error");
+            req->request->Response();
             RemoveHttpTunnelRequest(req->socket_handle);
         }
     }