diff --git a/alipay/Aliverify.php b/alipay/Aliverify.php
index cf67dac..517c939 100644
--- a/alipay/Aliverify.php
+++ b/alipay/Aliverify.php
@@ -156,7 +156,7 @@ class Aliverify
         $resultCode = $result->$responseNode->code;
         $certify_id = $result->$responseNode->certify_id;
         if(!empty($resultCode)&&$resultCode == 10000){
-            $request = new \AlipayUserCertifyOpenCertifyRequest ();
+            $request = new \AlipayUserCertifyOpenInitializeRequest ();
             $data['certify_id'] = $certify_id;
             $tosign=json_encode($data);
             $request->setBizContent($tosign);