diff --git a/yudao-module-pay/yudao-module-pay-biz/src/main/java/cn/iocoder/yudao/module/pay/service/order/PayOrderServiceImpl.java b/yudao-module-pay/yudao-module-pay-biz/src/main/java/cn/iocoder/yudao/module/pay/service/order/PayOrderServiceImpl.java
index 67a3e7152..e5dac0333 100755
--- a/yudao-module-pay/yudao-module-pay-biz/src/main/java/cn/iocoder/yudao/module/pay/service/order/PayOrderServiceImpl.java
+++ b/yudao-module-pay/yudao-module-pay-biz/src/main/java/cn/iocoder/yudao/module/pay/service/order/PayOrderServiceImpl.java
@@ -103,7 +103,7 @@ public class PayOrderServiceImpl implements PayOrderService {
         if (order != null) {
             log.warn("[createPayOrder][appId({}) merchantOrderId({}) 已经存在对应的支付单({})]", order.getAppId(),
                     order.getMerchantOrderId(), JsonUtils.toJsonString(order)); // 理论来说，不会出现这个情况
-            return app.getId();
+            return order.getId();
         }
 
         // 创建支付交易单