code: public RefundQuery refundQueryByRefundId(String refundId) {
          RefundQueryRequestWrapper refundQueryRequestWrapper = new RefundQueryRequestWrapper();
          refundQueryRequestWrapper.setRefundId(refundId);
          return refundQuery(refundQueryRequestWrapper);
      }
docs: 根据refundId查询退款记录
  @param refundId
  @return