    @Test
    public void testCreateUser() {

        Map<String, String> map = new HashMap<>();
        map.put("username", "qinyi");
        HttpHeaders headers = new HttpHeaders();
        headers.setContentType(MediaType.APPLICATION_JSON);
        HttpEntity<Map<String, String>> entity = new HttpEntity<>(map, headers);
        CommonResponse response = template.postForEntity("http://127.0.0.1:7000/ad-sponsor/create/user",
                entity,
                CommonResponse.class).getBody();
        log.debug(JSON.toJSONString(response));
    }