diff --git a/runtime-sofa-boot-starter/src/main/java/com/alipay/sofa/runtime/api/annotation/SofaReferenceBinding.java b/runtime-sofa-boot-starter/src/main/java/com/alipay/sofa/runtime/api/annotation/SofaReferenceBinding.java
index 06b801e51..31ab4c799 100644
--- a/runtime-sofa-boot-starter/src/main/java/com/alipay/sofa/runtime/api/annotation/SofaReferenceBinding.java
+++ b/runtime-sofa-boot-starter/src/main/java/com/alipay/sofa/runtime/api/annotation/SofaReferenceBinding.java
@@ -102,8 +102,23 @@
     String registry() default "";
 
     /**
-     * dalay init connection
+     * delay init connection
+     *
      * @return
      */
     boolean lazy() default false;
+
+    /**
+     * specify serialize type
+     *
+     * @return
+     */
+    String serializeType() default "";
+
+    /**
+     * specify load balance type
+     *
+     * @return
+     */
+    String loadBalancer() default "";
 }
diff --git a/runtime-sofa-boot-starter/src/main/java/com/alipay/sofa/runtime/api/annotation/SofaServiceBinding.java b/runtime-sofa-boot-starter/src/main/java/com/alipay/sofa/runtime/api/annotation/SofaServiceBinding.java
index 88ebe3350..3c81ce736 100644
--- a/runtime-sofa-boot-starter/src/main/java/com/alipay/sofa/runtime/api/annotation/SofaServiceBinding.java
+++ b/runtime-sofa-boot-starter/src/main/java/com/alipay/sofa/runtime/api/annotation/SofaServiceBinding.java
@@ -58,7 +58,7 @@
     /**
      * custorm thread pool for current service
      *
-     * @return custorm thread pool
+     * @return custom thread pool
      */
     String userThreadPool() default "";
 
@@ -75,4 +75,11 @@
      * @return timeout
      */
     int timeout() default 3000;
+
+    /**
+     * specify serialize type
+     *
+     * @return
+     */
+    String serializeType() default "";
 }