diff --git a/hera-all/trace-etl/trace-etl-service/src/main/java/com/xiaomi/hera/trace/etl/mq/Producer.java b/hera-all/trace-etl/trace-etl-service/src/main/java/com/xiaomi/hera/trace/etl/mq/Producer.java
index b4cbcdb73..e09690401 100644
--- a/hera-all/trace-etl/trace-etl-service/src/main/java/com/xiaomi/hera/trace/etl/mq/Producer.java
+++ b/hera-all/trace-etl/trace-etl-service/src/main/java/com/xiaomi/hera/trace/etl/mq/Producer.java
@@ -10,12 +10,12 @@
 public interface Producer<T> {
 
     /**
-     * 单条发送
+     * send one
      * @param message
      */
     void send(T message);
     /**
-     * 单条发送
+     * send batch
      * @param messages
      */
     void send(List<T> messages);