diff --git a/app/Services/OrderService.php b/app/Services/OrderService.php
index 5fc2bb7e..8a09ddee 100644
--- a/app/Services/OrderService.php
+++ b/app/Services/OrderService.php
@@ -792,7 +792,7 @@ class OrderService
             }
 
             return (new WeChatPayService())->pay([
-                'body' => app_settings('app_name').'-商城订单',
+                'body' => app_settings('app.app_name').'-商城订单',
                 'out_trade_no' => $payLog->pay_sn,
                 'total_fee' => $order->total_amount,
                 'trade_type' => WeChatPayService::$tradeTypes[$payLog->pay_way],