@Test
public void testSubmitRefund() {

    PayRefundSubmitDTO payRefundSubmitDTO = new PayRefundSubmitDTO()
            .setAppId("POd4RC6a")
            .setCreateIp("127.0.0.1")
            .setOrderId("13500000")
            .setOrderDescription("测试下退款")
            .setPrice(1);
    payRefundService.submitRefund(payRefundSubmitDTO);
}