def METHOD_NAME(self, actor_name):
    """
    When Actor is in RUNNING Status, check whether estimator is initiated
    """
    # to do
    # 使用dlrover python的
    status = None
    res = None
    actor_handle = self.get_actor_handle(actor_name)
    if actor_handle is None:
        status = NodeStatus.UNKNOWN
    else:
        res = self.remote_call_actor(actor_handle, "health_check", [], {})
    if res is not None:
        status = NodeStatus.RUNNING
    else:
        status = NodeStatus.UNKNOWN
    return status