diff --git a/alipay/Aliverify.php b/alipay/Aliverify.php
index 7b6ace6..a49d3d9 100644
--- a/alipay/Aliverify.php
+++ b/alipay/Aliverify.php
@@ -77,7 +77,7 @@ class Aliverify
         }
     }
 
-    public function getResult($certify_id)
+    public static function getResult($certify_id)
     {
         global $config;
         $aop = new \AopCertClient();