diff --git a/ghy-admin/src/main/java/com/ghy/web/controller/pay/PayController.java b/ghy-admin/src/main/java/com/ghy/web/controller/pay/PayController.java
index 58d82d42..77c8ff69 100644
--- a/ghy-admin/src/main/java/com/ghy/web/controller/pay/PayController.java
+++ b/ghy-admin/src/main/java/com/ghy/web/controller/pay/PayController.java
@@ -2,6 +2,7 @@ package com.ghy.web.controller.pay;
 
 import com.alibaba.fastjson.JSONObject;
 import com.ghy.common.adapay.model.AdapayStatusEnum;
+import com.ghy.common.adapay.model.PaymentDTO;
 import com.ghy.common.core.domain.AjaxResult;
 import com.ghy.order.domain.OrderMaster;
 import com.ghy.order.service.OrderMasterService;
@@ -35,6 +36,31 @@ public class PayController {
     @Resource
     private FinancialMasterService financialMasterService;
 
+    /**
+     * 撤销支付
+     *
+     * @param orderMasterId 主订单ID
+     * @param refundAmt    退款金额 保留两位小数
+     */
+    @PostMapping("refund")
+    @ResponseBody
+    public AjaxResult refund(Long orderMasterId, String refundAmt) throws BaseAdaPayException {
+        OrderMaster orderMaster = orderMasterService.selectById(orderMasterId);
+        Assert.notNull(orderMaster, "找不到对应的订单");
+        FinancialMaster financialMaster = financialMasterService.selectByOrderMasterId(orderMasterId);
+        PaymentDTO payment = financialMasterService.selectPaymentById(financialMaster.getPaymentId());
+        Assert.notNull(payment, "找不到支付记录");
+        Assert.notNull(financialMaster, "找不到订单");
+        Assert.isTrue(financialMaster.getPayStatus() == 1, "订单未支付");
+        Assert.hasText(financialMaster.getPaymentId(), "找不到订单的支付记录，请联系管理员");
+        JSONObject response = adapayService.refund(orderMaster.getDeptId(), financialMaster.getPaymentId(),payment.getOrderNo(), refundAmt);
+        if (AdapayStatusEnum.succeeded.code.equals(response.getString("status"))) {
+            return AjaxResult.success();
+        } else {
+            return AjaxResult.error(response.getString("error_msg"));
+        }
+    }
+
     /**
      * 撤销支付
      *