@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));
}