docs: @RequestMapping("/submit")
      @ResponseBody
      public Boolean submit(
              @RequestParam("batchNo") String batchNo,
              @RequestParam("tradeNo") String tradeNo){
          RefundDetail detail = new RefundDetail();
          detail.setBatchNo(Dates.now("yyyyMMdd") + batchNo);
          RefundDetailData data = new RefundDetailData();
          data.setTradeNo(tradeNo);
          data.setFee("0.01");
          data.setReason("订单取消");
          detail.setDetailDatas(Arrays.asList(data));
          logger.info("refund submit: {}", detail);
          return alipayService.refund(detail);
      }