diff --git a/app/api/controller/PayController.php b/app/api/controller/PayController.php
index 1422a10..715cb05 100644
--- a/app/api/controller/PayController.php
+++ b/app/api/controller/PayController.php
@@ -70,7 +70,7 @@ class PayController extends BaseApiController
         if ($result) {
             $data = $result->toArray();
             if ($data['trade_status'] === 'TRADE_SUCCESS') {
-                $attach = $data['attach'];
+                $attach = $data['extend_params']['attach']??'';
                 switch ($attach) {
                     case 'alipay_cashier':
                         PayNotifyLogic::handle('alipay_cashier', $data['out_trade_no'], $data);
@@ -92,7 +92,7 @@ class PayController extends BaseApiController
         if ($result) {
             $data = $result->toArray();
             if ($data['trade_status'] === 'TRADE_SUCCESS') {
-                $attach = $data['attach'];
+                $attach = $data['extend_params']['attach']??'';
                 switch ($attach) {
                     case 'alipay_cashier':
                         PayNotifyLogic::handle('alipay_cashier', $data['out_trade_no'], $data);