@Scheduled(cron = "0 */1 * * * ?")
	public void job1() {
		logger.info("time=" + DateTime.now().toString("YYYY-MM-dd HH:mm:ss") + " do job1...");
	}
run without lock, all instance running at the same time.
spring-cloud-alibaba-examples/spring-cloud-scheduling-example/src/main/java/com/alibaba/cloud/examples/schedule/job/SimpleJob.java