diff --git a/app/Admin/Controllers/OrderFakeController.php b/app/Admin/Controllers/OrderFakeController.php
index ef6045f0..d7a60e8e 100644
--- a/app/Admin/Controllers/OrderFakeController.php
+++ b/app/Admin/Controllers/OrderFakeController.php
@@ -191,7 +191,7 @@ JS
 
         return response()->json($this->jsonSuccess([
             'customer_id' => $order->customer_id,
-            'order_created_at' => $order->created_at,
+            'order_created_at' => $order->created_at ? $order->created_at->format('Y-m-d H:i:s') : '',
             'customer_name' => $order->customer->name ?? '',
             'customer_nickname' => $order->customer->nickname ?? '',
             'customer_phone' => $order->customer->phone ?? '',