diff --git a/doc/XXL-JOB官方文档.md b/doc/XXL-JOB官方文档.md
index 96a29222..fd9c0e02 100644
--- a/doc/XXL-JOB官方文档.md
+++ b/doc/XXL-JOB官方文档.md
@@ -1292,6 +1292,7 @@ Tips: 历史版本(V1.3.x)目前已经Release至稳定版本, 进入维护阶段
 - 36、任务触发时支持动态传参，调度中心与API服务均提供提供动态参数功能；
 - 37、任务执行日志、调度日志字段类型调整，改为text类型并取消字数限制；
 - 38、GLUE任务脚本字段类型调整，改为mediumtext类型，提高GLUE长度上限；
+- 39、任务监控线程Log输出优化，运行中任务的监控Log改为debug级别，减少非核心日志量；
 
 ### TODO LIST
 - 1、任务权限管理：执行器为粒度分配权限，核心操作校验权限；
diff --git a/xxl-job-admin/src/main/java/com/xxl/job/admin/core/thread/JobFailMonitorHelper.java b/xxl-job-admin/src/main/java/com/xxl/job/admin/core/thread/JobFailMonitorHelper.java
index c1b30cfc..6a95fd4b 100644
--- a/xxl-job-admin/src/main/java/com/xxl/job/admin/core/thread/JobFailMonitorHelper.java
+++ b/xxl-job-admin/src/main/java/com/xxl/job/admin/core/thread/JobFailMonitorHelper.java
@@ -59,7 +59,7 @@ public class JobFailMonitorHelper {
 								if (IJobHandler.SUCCESS.getCode() == log.getTriggerCode() && log.getHandleCode() == 0) {
 									// job running
 									JobFailMonitorHelper.monitor(jobLogId);
-									logger.info(">>>>>>>>>>> job monitor, job running, JobLogId:{}", jobLogId);
+									logger.debug(">>>>>>>>>>> job monitor, job running, JobLogId:{}", jobLogId);
 								} else if (IJobHandler.SUCCESS.getCode() == log.getHandleCode()) {
 									// job success, pass
 									logger.info(">>>>>>>>>>> job monitor, job success, JobLogId:{}", jobLogId);