hi,team:

    my dag is 1 minute schedule,one parts dag state is success,but tasks state is not yet started in a dag:

![image](https://user-images.githubusercontent.com/41068725/116344664-357d8780-a819-11eb-8010-c746ffdfdbcc.png)


   how can to fix it?
airflow/settings.py
"""Validate ORM Session"""
    worker_precheck = conf.getboolean('celery', 'worker_precheck', fallback=False)
    if not worker_precheck:
        return True
    else:
        check_session = sessionmaker(bind=engine)
        session = check_session()
        try:
            session.execute("select 1")  # pylint
            conn_status = True
        except exc.DBAPIError as err:
            log.error(err)
            conn_status = False
        session.close()  # pylint
        return conn_status
def configure_action_logging():