public RestResponse() {
        this.timestamp = DateKit.nowUnix();
    }
@Test
    public void testRestResponse() {
        RestResponse<String> restResponse = new RestResponse<>();
        Assert.assertTrue(restResponse.getTimestamp() > 0);

        RestResponse restResponse2 = RestResponse.ok();
        Assert.assertTrue(restResponse2.isSuccess());

        RestResponse restResponse3 = RestResponse.ok("biezhi");
        Assert.assertTrue(restResponse3.isSuccess());
        Assert.assertEquals("biezhi", restResponse3.getPayload());
    }