在线用户踢下线清理SessionData

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);
         }