diff --git a/src/main/java/org/apache/rocketmq/spring/starter/core/RocketMQListener.java b/src/main/java/org/apache/rocketmq/spring/starter/core/RocketMQListener.java
index e56a7e8..64daa5f 100644
--- a/src/main/java/org/apache/rocketmq/spring/starter/core/RocketMQListener.java
+++ b/src/main/java/org/apache/rocketmq/spring/starter/core/RocketMQListener.java
@@ -18,5 +18,10 @@
 package org.apache.rocketmq.spring.starter.core;
 
 public interface RocketMQListener<T> {
+	/**
+	 * 消费消息接口，由应用来实现<br/>
+	 * 网络抖动等不稳定的情形可能会带来消息重复，对重复消息敏感的业务可对消息做幂等处理<br/>
+	 * 没有异常则表示处理成功，否在处理失败，处理失败时阿里云MQ会重复调用，最多调用16次，如果16次依然失败，则不再调用。
+	 */
     void onMessage(T message);
 }