springboot开启定时不起作用

1、主启动类开启@EnableScheduling  并且 该配置所在的package要能被扫描到

package com.gccloud.dataroom.core.config;

import com.gccloud.dataroom.core.module.receive.service.IDataReceiveService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.scheduling.TaskScheduler;
import org.springframework.scheduling.annotation.EnableScheduling;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.scheduling.concurrent.ThreadPoolTaskScheduler;
import org.springframework.stereotype.Service;
import lombok.extern.slf4j.Slf4j;

@Slf4j
@EnableScheduling
@Service
public class Sched {

    @Autowired
    private IDataReceiveService dataReceiveService;



    @Bean
    public TaskScheduler poolScheduler() {
        ThreadPoolTaskScheduler scheduler = new ThreadPoolTaskScheduler();
        scheduler.setThreadNamePrefix("poolScheduler");
        scheduler.setPoolSize(10);
        return scheduler;
    }

//    @Async(value = "asyncPoolTaskExecutor")
    @Scheduled(cron = "*/5 * * * * ?")
    public void clearRealtimeCacheData() {
        log.info("每5秒执行一次");
    }
}