diff --git a/api/src/test/java/com/sv/wx/WxServiceTest.java b/api/src/test/java/com/sv/wx/WxServiceTest.java
new file mode 100644
index 0000000..443c55e
--- /dev/null
+++ b/api/src/test/java/com/sv/wx/WxServiceTest.java
@@ -0,0 +1,57 @@
+package com.sv.wx;
+
+import com.WeiXinApplication;
+import com.sv.dto.api.MemberLessonTicketDetailDTO;
+import com.sv.entity.MemberRefund;
+import com.sv.entity.Order;
+import com.sv.mapper.MemberRefundMapper;
+import com.sv.service.api.OrderService;
+import com.sv.service.api.config.WechatPayService;
+import com.ydd.framework.core.exception.ServiceException;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+import org.springframework.transaction.annotation.Transactional;
+
+import javax.annotation.Resource;
+import java.math.BigDecimal;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(classes={WeiXinApplication.class})
+public class WxServiceTest {
+
+    @Resource
+    WechatPayService wechatPayService;
+    @Resource
+    OrderService orderService;
+    @Resource
+    MemberRefundMapper memberRefundMapper;
+
+    @Test
+    public void refund(){
+//        wechatPayService.createUnifiedOrder("testlmq20231224",new BigDecimal(0.02),"127.0.0.1","JSAPI", 535);
+        // 根据orderSn查出对应订单信息
+        String orderSn = "231224213047442679";
+        Integer memberId = 535;
+        Order order = orderService.findOrderSn(orderSn,memberId);
+        if (order == null){
+            throw new ServiceException(com.sv.exception.api.ExceptionCodeTemplate.ORDER_ERROR);
+        }
+
+        MemberRefund memberRefund = new MemberRefund();
+        memberRefund.setMemberId(memberId);
+        memberRefund.setLessonId(1);
+        memberRefund.setMoney(order.getPrice());
+//        memberRefund.setMoney(new BigDecimal(0.01));
+        memberRefund.setOrderSn(orderSn);
+        memberRefund.setTransactionId(order.getTradeSn());
+        memberRefund.setOrderId(order.getId());
+        memberRefund.setOutRefundNo(orderService.createSn());//商户退款单号
+        memberRefund.setPlatformId(1);
+        memberRefundMapper.insert(memberRefund);
+        wechatPayService.refundInputMoney(memberRefund,new BigDecimal(0.01));
+
+    }
+
+}
diff --git a/service/src/main/java/com/sv/service/api/OrderService.java b/service/src/main/java/com/sv/service/api/OrderService.java
index 30e92c7..3758249 100644
--- a/service/src/main/java/com/sv/service/api/OrderService.java
+++ b/service/src/main/java/com/sv/service/api/OrderService.java
@@ -156,7 +156,7 @@ public class OrderService extends BaseServiceImpl {
 	/**
 	 * 根据用户Id，订单号查询订单
 	 */
-	Order findOrderSn(String orderSn,Integer memberId){
+	public Order findOrderSn(String orderSn,Integer memberId){
 		return orderMapper.findOrderSn( orderSn, memberId);
 	}
 
diff --git a/service/src/main/java/com/sv/service/api/config/WechatPayService.java b/service/src/main/java/com/sv/service/api/config/WechatPayService.java
index 6d29b9b..d22e6ee 100644
--- a/service/src/main/java/com/sv/service/api/config/WechatPayService.java
+++ b/service/src/main/java/com/sv/service/api/config/WechatPayService.java
@@ -248,6 +248,47 @@ public class WechatPayService extends BaseServiceImpl {
         }
     }
 
+    /**
+     * 退款接口
+     */
+    public void refundInputMoney(MemberRefund memberRefund,BigDecimal aMoney){
+        OrderPaySignResponse.WechatPayParam wechatPayParam;
+        try {
+
+            PayConfig payConfig = payConfigService.findKey("face");
+            Assert.hasText(payConfig.getCert(), "证书找不到");
+            String nonceStr = CommonUtils.CreateNonceStr(30);
+            WeChatPayHelper weChatPayHelper = new WeChatPayHelper(payConfig.getCert());
+            weChatPayHelper.setAppId(payConfig.getAppId());
+            weChatPayHelper.setMchId(payConfig.getMchId());
+            weChatPayHelper.setKey(payConfig.getKey());
+            Integer payMoney = Integer.valueOf(memberRefund.getMoney().multiply(new BigDecimal(100)).setScale(0, BigDecimal.ROUND_HALF_UP).toString());
+            Integer refundMoney = Integer.valueOf(aMoney.multiply(new BigDecimal(100)).setScale(0, BigDecimal.ROUND_HALF_UP).toString());
+            weChatPayHelper.setParameter("notify_url", payConfig.getNotifyUrl());
+
+            logger.info("申请退款请求参数" + ToStringBuilder.reflectionToString(weChatPayHelper));
+            // 调用申请退款
+//            String notifyUrl = "https://api.smartvenue.ydd100.cn//weixin/order/refund";
+            OrderResponse response = weChatPayHelper.refund("",memberRefund.getOrderSn(),memberRefund.getOutRefundNo(),payMoney,refundMoney,payConfig.getCancel());
+            logger.info(ToStringBuilder.reflectionToString(response));
+            System.out.println(ToStringBuilder.reflectionToString(response));
+            if (response.isSuccess()) {
+                String refundId = response.getRefundId();
+                //更新‘用户退款记录表’中微信退款单号
+                memberRefund.setRefundId(refundId);
+                memberRefundService.update(memberRefund);
+            }else{
+                logger.error("返回的结果为："+ToStringBuilder.reflectionToString(response));
+                throw new RuntimeException("申请退款订单创建失败，请重试！");
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+            logger.error("申请退款支持订单接口异常", e);
+            throw new ServiceException("");
+        }
+    }
+
+
     @Transactional
     public void notifyRefund(Map<String,String> params,Integer platformId ) throws IOException {
         logger.info("微信退款回调参数:" + JsonMapper.nonNullMapper().toJson(params));