diff --git a/platform/src/tcp_stream.cpp b/platform/src/tcp_stream.cpp
index 002b5be..c73881f 100644
--- a/platform/src/tcp_stream.cpp
+++ b/platform/src/tcp_stream.cpp
@@ -80,7 +80,7 @@ static inline bool __is_ssl(struct tfe_stream_private * _stream)
 	return (_stream->session_type == STREAM_PROTO_SSL);
 }
 
-static void __call_plugin_close(struct tfe_stream_private * _stream)
+static void call_plugin_close(struct tfe_stream_private * _stream)
 {
 	unsigned int plugin_id_iter = 0;
 	unsigned int plugin_id = 0;
@@ -373,7 +373,7 @@ static void __stream_bev_passthrough_writecb(struct bufferevent * bev, void * ar
 
 	if (*ref_peer_conn == NULL && *ref_this_conn == NULL)
 	{
-		__call_plugin_close(_stream);
+		call_plugin_close(_stream);
 		tfe_stream_destory(_stream);
 	}
 
@@ -431,7 +431,7 @@ __close_connection:
 
 	if (*ref_this_conn == NULL && *ref_peer_conn == NULL)
 	{
-		__call_plugin_close(_stream);
+		call_plugin_close(_stream);
 		tfe_stream_destory(_stream);
 	}
 
@@ -593,7 +593,7 @@ static void __stream_bev_writecb(struct bufferevent * bev, void * arg)
 
 	if (*ref_peer_conn == NULL && *ref_this_conn == NULL)
 	{
-		__call_plugin_close(_stream);
+		call_plugin_close(_stream);
 		tfe_stream_destory(_stream);
 	}
 
@@ -678,6 +678,7 @@ __close_connection:
 	return;
 
 __call_plugin_close:
+	call_plugin_close(_stream);
 	tfe_stream_destory(_stream);
 }
 
diff --git a/plugin/business/pangu-http/src/pangu_http.cpp b/plugin/business/pangu-http/src/pangu_http.cpp
index 3ec3c49..cc3771b 100644
--- a/plugin/business/pangu-http/src/pangu_http.cpp
+++ b/plugin/business/pangu-http/src/pangu_http.cpp
@@ -904,6 +904,10 @@ int make_revalidate_request(const struct tfe_stream * stream, const struct tfe_h
 		ctx->cache_revalidate_req=NULL;
 		return RESUMED_CB_NO_MORE_CALLS;
 	}
+	if(events & EV_HTTP_REQ_END && ctx->cache_revalidate_req)
+	{
+		ctx->cache_revalidate_req=NULL;
+	}
 	return RESUMED_CB_MORE_CALLS;
 }
 int dummy_resume(const struct tfe_stream * stream, const struct tfe_http_session * session,
@@ -1027,6 +1031,8 @@ static void cache_pending_on_succ(future_result_t * result, void * user)
 	}
 	if(meta->etag) tfe_http_std_field_write(ctx->cache_revalidate_req, TFE_HTTP_IF_NONE_MATCH, meta->etag);
 	if(meta->last_modified)  tfe_http_std_field_write(ctx->cache_revalidate_req, TFE_HTTP_IF_MODIFIED_SINCE, meta->last_modified);
+
+	tfe_http_session_request_set(ctx->ref_session, ctx->cache_revalidate_req);
 	ctx->resumed_cb=make_revalidate_request;
 	return;
 }
diff --git a/plugin/business/pangu-http/src/pangu_web_cache.cpp b/plugin/business/pangu-http/src/pangu_web_cache.cpp
index 267e94e..a20b2d7 100644
--- a/plugin/business/pangu-http/src/pangu_web_cache.cpp
+++ b/plugin/business/pangu-http/src/pangu_web_cache.cpp
@@ -441,7 +441,7 @@ static void cache_query_meta_on_succ(future_result_t * result, void * user)
 			ctx->status=PENDING_RESULT_REVALIDATE;
 			break;
 		case RESULT_TYPE_USERTAG:
-			cached_meta_set(&ctx->cached_obj_meta, RESULT_TYPE_HEADER, _result->data_frag, _result->size);
+			cached_meta_set(&ctx->cached_obj_meta, RESULT_TYPE_USERTAG, _result->data_frag, _result->size);
 			TFE_LOG_DEBUG(ctx->ref_handle->logger, "cache meta query hit: %s %s %s"
 							, ctx->url
 							, ctx->cached_obj_meta.last_modified ? ctx->cached_obj_meta.last_modified:"no_last_modify"