diff --git a/ruoyi-admin/src/main/java/com/ruoyi/web/controller/monitor/SysUserOnlineController.java b/ruoyi-admin/src/main/java/com/ruoyi/web/controller/monitor/SysUserOnlineController.java
index fa3314f2..c7dd2850 100644
--- a/ruoyi-admin/src/main/java/com/ruoyi/web/controller/monitor/SysUserOnlineController.java
+++ b/ruoyi-admin/src/main/java/com/ruoyi/web/controller/monitor/SysUserOnlineController.java
@@ -80,6 +80,7 @@ public class SysUserOnlineController extends BaseController
             }
             onlineSessionDAO.delete(onlineSession);
             online.setStatus(OnlineStatus.off_line);
+            online.setSessionData(null);
             userOnlineService.saveOnline(online);
             userOnlineService.removeUserCache(online.getLoginName(), sessionId);
         }