fix bug

app-ghs/controllers/DeliveryController.php

@@ -414,8 +414,8 @@ class DeliveryController extends BaseController
             $orderId = $order['orderSn'];
         }
         if ($platform == 'didi') {
-            $order = OrderClass::getById($gdo->ghsOrderId, false, 'id,orderSn,createdAt');
-            $timeStamp = strtoTime($order['createdAt']);
+            $order = OrderClass::getById($gdo->ghsOrderId, false, 'id,orderSn');
+            $timeStamp = strtoTime($gdo->createdAt);
             $post['outOrderNo'] = \common\components\delivery\platform\didi\Didi::generateUniOroder($order['orderSn'], $timeStamp);
             $post['cancelSource'] = 1; // TODO 要增加取消码判断
         }