diff --git a/dubbo-test/dubbo-test-examples/src/main/java/com/alibaba/dubbo/examples/merge/merge-consumer.xml b/dubbo-test/dubbo-test-examples/src/main/java/com/alibaba/dubbo/examples/merge/merge-consumer.xml
index 075e05f..5912e78 100644
--- a/dubbo-test/dubbo-test-examples/src/main/java/com/alibaba/dubbo/examples/merge/merge-consumer.xml
+++ b/dubbo-test/dubbo-test-examples/src/main/java/com/alibaba/dubbo/examples/merge/merge-consumer.xml
@@ -25,6 +25,6 @@
 
     <dubbo:registry address="multicast://224.5.6.7:1234"/>
 
-    <dubbo:reference id="mergeService" interface="com.alibaba.dubbo.examples.merge.api.MergeService" group="*"/>
+    <dubbo:reference id="mergeService" interface="com.alibaba.dubbo.examples.merge.api.MergeService" group="*" merger="true"/>
 
 </beans>
\ No newline at end of file
diff --git a/dubbo-test/dubbo-test-examples/src/main/java/com/alibaba/dubbo/examples/merge/merge-consumer2.xml b/dubbo-test/dubbo-test-examples/src/main/java/com/alibaba/dubbo/examples/merge/merge-consumer2.xml
index 897f35b..be4646f 100644
--- a/dubbo-test/dubbo-test-examples/src/main/java/com/alibaba/dubbo/examples/merge/merge-consumer2.xml
+++ b/dubbo-test/dubbo-test-examples/src/main/java/com/alibaba/dubbo/examples/merge/merge-consumer2.xml
@@ -26,6 +26,6 @@
     <dubbo:registry address="multicast://224.5.6.7:1234"/>
 
     <dubbo:reference id="mergeService" interface="com.alibaba.dubbo.examples.merge.api.MergeService"
-                     group="merge2,merge3"/>
+                     group="merge2,merge3" merger="true"/>
 
 </beans>
\ No newline at end of file