diff --git a/agileboot-domain/src/main/java/com/agileboot/domain/shop/approval/ReturnApprovalApplicationService.java b/agileboot-domain/src/main/java/com/agileboot/domain/shop/approval/ReturnApprovalApplicationService.java
index f45b48a..137fead 100644
--- a/agileboot-domain/src/main/java/com/agileboot/domain/shop/approval/ReturnApprovalApplicationService.java
+++ b/agileboot-domain/src/main/java/com/agileboot/domain/shop/approval/ReturnApprovalApplicationService.java
@@ -159,7 +159,9 @@ public class ReturnApprovalApplicationService {
             // 微信退款
             RefundVO refundVO = null;
             try {
-                // 检查订单创建时间是否在2025年6月10日11:05之前
+                /* 检查订单创建时间是否在2025年6月10日11:05之前
+                  之前的旧订单收款商户和新订单收款商户不一致，需要使用旧订单收款商户进行退款
+                  */
                 Date cutoffDate = DateUtil.parse("2025-06-10 11:05:00", "yyyy-MM-dd HH:mm:ss");
                 if (orderModel.getCreateTime().after(cutoffDate)) {
                     refundVO = paymentApplicationService.refund(
@@ -181,6 +183,7 @@ public class ReturnApprovalApplicationService {
                         paymentOperationLogCommand.initBaseEntity();
                         paymentOperationLogApplicationService.addPaymentOperationLog(paymentOperationLogCommand);
 
+                        // 若还是失败，使用新订单收款商户进行退款
                         refundVO = paymentApplicationService.refund(
                                 PayApiConstants.biz_id, PayApiConstants.appkey,
                                 orderModel.getBizOrderId(), orderModel.getUcid(),