diff --git a/src/Consumers.php b/src/Consumers.php
index 5bbdb32..8f9db8b 100644
--- a/src/Consumers.php
+++ b/src/Consumers.php
@@ -14,7 +14,7 @@ use Swoole\Coroutine;
 /**
  *
  */
-class Consumers implements OnRpcConsumerInterface
+abstract class Consumers implements OnRpcConsumerInterface
 {
 
 
diff --git a/src/OnRpcConsumerInterface.php b/src/OnRpcConsumerInterface.php
index 019b3bf..1141b1e 100644
--- a/src/OnRpcConsumerInterface.php
+++ b/src/OnRpcConsumerInterface.php
@@ -5,7 +5,4 @@ namespace Kiri\Rpc;
 interface OnRpcConsumerInterface
 {
 
-
-	public function execute();
-
 }