diff --git a/app/Model/OrderGood.php b/app/Model/OrderGood.php
index 6ac115a..a48b198 100644
--- a/app/Model/OrderGood.php
+++ b/app/Model/OrderGood.php
@@ -50,6 +50,6 @@ class OrderGood extends Model
      */
     public function getGoodIdsByOrderId(int $orderId): array
     {
-        return $this->where('order_id', $orderId)->select('sku_id','SUM(`quantity`) as `quantity`')->get()->toArray();
+        return $this->where('order_id', $orderId)->select('sku_id')->selectRaw('SUM(`quantity`) as `quantity`')->get()->toArray();
     }
 }