diff --git a/internal/indexnode/indexnode.go b/internal/indexnode/indexnode.go
index d904a4a296..f5ef580872 100644
--- a/internal/indexnode/indexnode.go
+++ b/internal/indexnode/indexnode.go
@@ -350,6 +350,7 @@ func (i *IndexNode) ShowConfigurations(ctx context.Context, req *internalpb.Show
 			Configuations: nil,
 		}, nil
 	}
+	defer i.lifetime.Done()
 
 	configList := make([]*commonpb.KeyValuePair, 0)
 	for key, value := range Params.GetComponentConfigurations("indexnode", req.Pattern) {