Wesmiler

app/Http/Controllers/Api/v1/NotifyController.php

@@ -77,7 +77,7 @@ class NotifyController extends webApp
     {
         $date = date('Y-m-d H:i:s');
         $result = isset($_POST)? $_POST : request()->post();
-        $key = date('YmdHis') . '_' . rand(1000, 9999);
+        $key = isset($result['out_trade_num'])?$result['out_trade_num'] : date('YmdHis') . '_' . rand(1000, 9999);
         $channel = 'dryPay';
         if (empty($result)) {
             $result = file_get_contents('php://input');