diff --git a/dubbo-common/src/main/java/org/apache/dubbo/config/annotation/DubboReference.java b/dubbo-common/src/main/java/org/apache/dubbo/config/annotation/DubboReference.java
index 985a4d992aa..eb1a2e6ead2 100644
--- a/dubbo-common/src/main/java/org/apache/dubbo/config/annotation/DubboReference.java
+++ b/dubbo-common/src/main/java/org/apache/dubbo/config/annotation/DubboReference.java
@@ -262,10 +262,13 @@
      */
     String tag() default "";
 
+    /**
+     * Service merger
+     */
+    String merger() default "";
+
     /**
      * methods support
-     *
-     * @return
      */
     Method[] methods() default {};
 
diff --git a/dubbo-common/src/main/java/org/apache/dubbo/config/annotation/Method.java b/dubbo-common/src/main/java/org/apache/dubbo/config/annotation/Method.java
index 0cdc97cf814..c1fe08885c1 100644
--- a/dubbo-common/src/main/java/org/apache/dubbo/config/annotation/Method.java
+++ b/dubbo-common/src/main/java/org/apache/dubbo/config/annotation/Method.java
@@ -65,5 +65,7 @@
 
     String validation() default "";
 
+    String merger() default "";
+
     Argument[] arguments() default {};
 }