diff --git a/internal/util/mqclient/rmq_reader.go b/internal/util/mqclient/rmq_reader.go
index 89971cdc7b..0325494ab6 100644
--- a/internal/util/mqclient/rmq_reader.go
+++ b/internal/util/mqclient/rmq_reader.go
@@ -27,6 +27,7 @@ func (rr *rmqReader) Next(ctx context.Context) (Message, error) {
 	return msg, nil
 }
 
+// HasNext returns whether reader has next message
 func (rr *rmqReader) HasNext() bool {
 	return rr.r.HasNext()
 }