@staticmethod
def check_params(task_id_list, custom_server_output_path):
    """Check the parameters.
        
        Task_id_list and custom_server_output_path must have one.
        """
    if not task_id_list and not custom_server_output_path:
        raise Exception(
            'One of the task_id_list and custom_server_output_path must exist')
