diff --git a/internal/util/mqclient/pulsar_client.go b/internal/util/mqclient/pulsar_client.go
index c46e05d371..3af70c25f6 100644
--- a/internal/util/mqclient/pulsar_client.go
+++ b/internal/util/mqclient/pulsar_client.go
@@ -42,6 +42,7 @@ func GetPulsarClientInstance(opts pulsar.ClientOptions) (*pulsarClient, error) {
 	return sc, nil
 }
 
+// CreateProducer create a pulsar producer from options
 func (pc *pulsarClient) CreateProducer(options ProducerOptions) (Producer, error) {
 	opts := pulsar.ProducerOptions{Topic: options.Topic}
 	pp, err := pc.client.CreateProducer(opts)