fix bug

mallinkService/src/main/java/com/iformall/service/pay/service/refund/wx/v3/WxRefundV3AdapterService.java

@@ -107,6 +107,7 @@ public class WxRefundV3AdapterService implements RefundPayAdapterService{
 		gr.setMerchant_goods_id(order.getProductId().toString());
 		gr.setRefund_amount(record.getRefundFee());
 		gr.setRefund_quantity(order.getCouponNumber());	
+		gr.setUnit_price(record.getRefundFee());
 		goods.add(gr);
 		req.setGoods_detail(goods);
 		return req;