diff --git a/internal/querynode/global_sealed_segment_manager.go b/internal/querynode/global_sealed_segment_manager.go
index 248717547a..648834c41c 100644
--- a/internal/querynode/global_sealed_segment_manager.go
+++ b/internal/querynode/global_sealed_segment_manager.go
@@ -63,6 +63,7 @@ func (g *globalSealedSegmentManager) getGlobalSegmentIDs() []UniqueID {
 	return resIDs
 }
 
+// getGlobalSegmentIDsByPartitionIds returns globalSealedSegments by partitionIDs
 func (g *globalSealedSegmentManager) getGlobalSegmentIDsByPartitionIds(partitionIDs []UniqueID) []UniqueID {
 	g.mu.Lock()
 	defer g.mu.Unlock()