docs: public static GetCategoryResult get_category(String access_token){
  		HttpUriRequest httpUriRequest = RequestBuilder.get()
  				.setUri(BASE_URI + "/wxa/get_category")
  				.addParameter(PARAM_ACCESS_TOKEN, API.accessToken(access_token))
  				.build();
  		return LocalHttpClient.executeJsonResult(httpUriRequest,GetCategoryResult.class);
  	}