在http block中，http response body事件调用tfe_http_session_kill关闭会话。

platform/src/tcp_stream.cpp

@@ -353,7 +353,6 @@ static void __conn_private_destory_with_ssl(struct event_base * ev_base,
 static void __stream_bev_passthrough_readcb(struct bufferevent * bev, void * arg)
 {
 	struct tfe_stream_private * _stream = (struct tfe_stream_private *) arg;
-	struct tfe_proxy * _proxy = _stream->proxy_ref;
 	struct tfe_conn_private * peer_conn = __peer_conn(_stream, __bev_dir(_stream, bev));
 
 	struct evbuffer * __input_buffer = bufferevent_get_input(bev);

plugin/business/pangu-http/src/pangu_http.cpp

@@ -884,7 +884,8 @@ static void http_reject(const struct tfe_http_session * session, enum tfe_http_e
 	}
 	else
 	{
-		//TODO: close http session.
+		to_write_sess = tfe_http_session_allow_write(session);
+		tfe_http_session_kill(to_write_sess);
 	}
 	return;
 }