diff --git a/app/Service/PaymentService.php b/app/Service/PaymentService.php
index c108f48..fa6aca2 100644
--- a/app/Service/PaymentService.php
+++ b/app/Service/PaymentService.php
@@ -341,7 +341,7 @@ class PaymentService extends AbstractService
             throw new BusinessException('用户ID不能为空');
         }
 
-        if (isset($reqData['amount']) {
+        if (isset($reqData['amount'])) {
             if (!is_numeric($reqData['amount'])) {
                 throw new BusinessException('请输入金额');
             }