def intervalFetch(taskResultId, lastTaskResultId, delayTag):
# 获取上次任务taskResultId
taskInfos = TaskInfo.select().where(TaskInfo.taskResultId == lastTaskResultId)
for task in taskInfos:
subTask = TaskInfo()
subTask.taskResultId = taskResultId
subTask.state = ''
subTask.cname = task.cname
subTask.url = task.url
subTask.save(force_insert=True)
fetchCycle.apply_async((subTask.id, taskResultId, delayTag), queue="celery")
