diff --git a/internal/util/rocksmq/client/rocksmq/client_impl.go b/internal/util/rocksmq/client/rocksmq/client_impl.go
index 9d8c3351f2..1e5cedaa6e 100644
--- a/internal/util/rocksmq/client/rocksmq/client_impl.go
+++ b/internal/util/rocksmq/client/rocksmq/client_impl.go
@@ -43,6 +43,7 @@ func newClient(options ClientOptions) (*client, error) {
 	return c, nil
 }
 
+// CreateProducer create a rocksmq producer
 func (c *client) CreateProducer(options ProducerOptions) (Producer, error) {
 	// Create a producer
 	producer, err := newProducer(c, options)