diff --git a/spring-boot-demo-task-quartz/src/main/resources/application.yml b/spring-boot-demo-task-quartz/src/main/resources/application.yml
index c934aa3..f4ff39d 100644
--- a/spring-boot-demo-task-quartz/src/main/resources/application.yml
+++ b/spring-boot-demo-task-quartz/src/main/resources/application.yml
@@ -30,6 +30,8 @@ spring:
       org.quartz.jobStore.misfireThreshold: 5000
       org.quartz.jobStore.class: org.quartz.impl.jdbcjobstore.JobStoreTX
       org.quartz.jobStore.driverDelegateClass: org.quartz.impl.jdbcjobstore.StdJDBCDelegate
+      # 在调度流程的第一步，也就是拉取待即将触发的triggers时，是上锁的状态，即不会同时存在多个线程拉取到相同的trigger的情况，也就避免的重复调度的危险。参考：https://segmentfault.com/a/1190000015492260
+      org.quartz.jobStore.acquireTriggersWithinLock: true
 logging:
   level:
     com.xkcoding: debug