调整示例rocketmq

matrix-sample-rocketmq/matrix-sample-rocketmq-springboot/src/main/java/com/secoo/rocketmq/RoketMqSampleApplication.java

@@ -28,15 +28,17 @@ public class RoketMqSampleApplication implements ApplicationRunner {
         user.setId(1L);
         user.setName("zhangsan");
         String createTagName = ":create";
+        String createTagName2 = ":create2";
+
         //1.没有指定tag，单项发送消息
         template.sendOneWay(topicName, user);
         /* 注意：org.springframework.messaging.Message为默认对象，此对象是spring对所有消息体的抽象，
          *  而MessageExt为RoketMq自身对象，包含更细节信息，如msgId
          * */
         //2.指定tag，并同步发送消息
-        //指定tag为create发送到topic
+        //指定tag为create发送到topic。topic和name之间用“：”分割
 
-        template.syncSend(topicName + createTagName, user, 10000);
+        template.syncSend(topicName + createTagName2, user, 10000);
 
     }
 }
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