code: public static BaseResult codeUnavailable(String accessToken, CodeUnavailable codeUnavailable) {
  		return codeUnavailable(accessToken,
  				JsonUtil.toJSONString(codeUnavailable));
  	}
docs: 设置卡券失效
  @param accessToken accessToken
  @param codeUnavailable codeUnavailable
  @return result