diff --git a/system/src/main/java/com/sdm/system/service/impl/ISysLogServiceImpl.java b/system/src/main/java/com/sdm/system/service/impl/ISysLogServiceImpl.java
index e5a5a139..78db4686 100644
--- a/system/src/main/java/com/sdm/system/service/impl/ISysLogServiceImpl.java
+++ b/system/src/main/java/com/sdm/system/service/impl/ISysLogServiceImpl.java
@@ -237,7 +237,7 @@ public class ISysLogServiceImpl extends ServiceImpl<SysLogMapper, SysLog> implem
         // 1. 会话开始时间 < 时段结束时间（用户在时段结束前已登录）
         // 2. 会话结束时间 > 时段开始时间（用户在时段开始后未退出）
         boolean flag = session.getLoginTime().isBefore(periodEnd) && session.getEffectiveLogoutTime().isAfter(periodStart);
-        log.info("userId:{}, onlineFlag:{}", session.getUserId(), flag);
+        log.info("userId:{}, onlineFlag:{}, time interval:{}", session.getUserId(), flag, periodStart.toString() + "-" + periodEnd.toString());
         return flag;
 	}