diff --git a/app/Service/PaymentService.php b/app/Service/PaymentService.php
index 57bab0f..9f736ff 100644
--- a/app/Service/PaymentService.php
+++ b/app/Service/PaymentService.php
@@ -82,7 +82,7 @@ class PaymentService extends AbstractService
         $app = $req->getApp();
         $data = $req->getData();
 
-        if ($data['payAmount'] > 3000) {
+        if ($data['payAmount'] > 300000) {
             throw new BusinessException('超出限额');
         }