基础配置

dating-agency-mall-server/src/main/java/com/qniao/dam/application/service/paymentchannelorder/processor/wechat/WeChatPayProcessor.java

@@ -93,7 +93,7 @@ public class WeChatPayProcessor extends IChannelPayService {
     public void refund(PaymentOrderRefund paymentOrderRefund) {
         try {
             Map<String, Object> reqParams = new HashMap<>();
-            reqParams.put("out_trade_no", paymentOrderRefund.getPaymentOrderId().toString());
+            reqParams.put("out_refund_no", paymentOrderRefund.getPaymentOrderId().toString());
             reqParams.put("amount", new HashMap<String, Object>() {
                 {
                     put("refund", paymentOrderRefund.getRefundAmount().multiply(BigDecimal.valueOf(100)).intValue());