diff --git a/docs/cn/RocketMQ_Example.md b/docs/cn/RocketMQ_Example.md
index fd36fd1c312beb2b225f67ffd0b24a5b0c28fb3e..d924ce1d7d1f54e8c68ed63ddaa040ad5445f13d 100644
--- a/docs/cn/RocketMQ_Example.md
+++ b/docs/cn/RocketMQ_Example.md
@@ -446,7 +446,7 @@ public class ScheduledMessageConsumer {
           public ConsumeConcurrentlyStatus consumeMessage(List<MessageExt> messages, ConsumeConcurrentlyContext context) {
               for (MessageExt message : messages) {
                   // Print approximate delay time period
-                  System.out.println("Receive message[msgId=" + message.getMsgId() + "] " + (System.currentTimeMillis() - message.getStoreTimestamp()) + "ms later");
+                  System.out.println("Receive message[msgId=" + message.getMsgId() + "] " + (System.currentTimeMillis() - message.getBornTimestamp()) + "ms later");
               }
               return ConsumeConcurrentlyStatus.CONSUME_SUCCESS;
           }