docs: public static BaseResult open(String access_token,Long msg_data_id,Integer index){
  		String json = String.format("{\"msg_data_id\":%d,\"index\":%d}",msg_data_id,index == null?0:index);
  		HttpUriRequest httpUriRequest = RequestBuilder.post()
  										.setHeader(jsonHeader)
  										.setUri(BASE_URI+"/cgi-bin/comment/open")
  										.addParameter(PARAM_ACCESS_TOKEN, API.accessToken(access_token))
  										.setEntity(new StringEntity(json,Charset.forName("utf-8")))
  										.build();
  		return LocalHttpClient.executeJsonResult(httpUriRequest,BaseResult.class);
  	}