diff --git a/app/Services/InquiryService.php b/app/Services/InquiryService.php
index 5380141..9f44996 100644
--- a/app/Services/InquiryService.php
+++ b/app/Services/InquiryService.php
@@ -618,8 +618,8 @@ class InquiryService extends BaseService
         $options['out_refund_no'] = (string)$inquiry_refund_no;
         $options['reason'] = $refund_reason;
         $options['amount'] = [
-            'refund' => (int)$order_inquiry['payment_amount_total'] * 100,
-            'total' => (int)$order_inquiry['payment_amount_total'] * 100,
+            'refund' => (int)($order_inquiry['payment_amount_total'] * 100),
+            'total' => (int)($order_inquiry['payment_amount_total'] * 100),
             'currency' => "CNY",
         ];