diff --git a/electron-projects/ucap-webmessenger-electron/src/index.ts b/electron-projects/ucap-webmessenger-electron/src/index.ts
index 313a4149..8925eafe 100644
--- a/electron-projects/ucap-webmessenger-electron/src/index.ts
+++ b/electron-projects/ucap-webmessenger-electron/src/index.ts
@@ -643,18 +643,32 @@ ipcMain.on(
       idle.destoryChecker();
       idle = null;
     }
+
     idle = new IdleChecker(appWindow.browserWindow); // default 10min
     idle.startChecker();
   }
 );
+ipcMain.on(
+  IdleStateChannel.StopCheck,
+  (event: IpcMainEvent, ...args: any[]) => {
+    if (!!idle) {
+      idle.destoryChecker();
+      idle = null;
+    }
+  }
+);
 
 ipcMain.on(
   IdleStateChannel.ChangeLimitTime,
   (event: IpcMainEvent, ...args: any[]) => {
     const limitTime: number = args[0];
     if (!!idle) {
-      idle.resetIdleTime(limitTime);
+      idle.destoryChecker();
+      idle = null;
     }
+
+    idle = new IdleChecker(appWindow.browserWindow);
+    idle.resetIdleTime(limitTime);
   }
 );
 
diff --git a/electron-projects/ucap-webmessenger-electron/src/lib/idle-checker.ts b/electron-projects/ucap-webmessenger-electron/src/lib/idle-checker.ts
index 3d79ea35..bdaa5f63 100644
--- a/electron-projects/ucap-webmessenger-electron/src/lib/idle-checker.ts
+++ b/electron-projects/ucap-webmessenger-electron/src/lib/idle-checker.ts
@@ -44,26 +44,23 @@ export class IdleChecker {
 
     if (!!this.intervalObject) {
       clearInterval(this.intervalObject);
+      this.intervalObject = undefined;
     }
     this.limitSec = limitedMin * 60;
 
-    // storage.setIdleTimeLimit(limitedMin);
-    // global.opt_idleTimeLimit = limitedMin;
-
     this.startChecker();
   }
 
   public startChecker() {
     if (!this.intervalObject) {
-      this.intervalObject = setInterval(() => {
-        this.doCheckIdle();
-      }, 1000);
+      this.intervalObject = setInterval(() => this.doCheckIdle(), 1000);
     }
   }
 
   public destoryChecker() {
     if (!!this.intervalObject) {
       clearInterval(this.intervalObject);
+      this.intervalObject = undefined;
     }
   }
 }
diff --git a/projects/ucap-webmessenger-app/src/app/pages/account/components/login.page.component.ts b/projects/ucap-webmessenger-app/src/app/pages/account/components/login.page.component.ts
index d2772ed0..127eb536 100644
--- a/projects/ucap-webmessenger-app/src/app/pages/account/components/login.page.component.ts
+++ b/projects/ucap-webmessenger-app/src/app/pages/account/components/login.page.component.ts
@@ -1,4 +1,4 @@
-import { Component, OnInit, OnDestroy } from '@angular/core';
+import { Component, OnInit, OnDestroy, Inject } from '@angular/core';
 
 import { Store, select } from '@ngrx/store';
 
@@ -34,6 +34,7 @@ import { LogoutInfo, KEY_LOGOUT_INFO } from '@app/types';
 import { AppAuthenticationService } from '@app/services/authentication.service';
 import { logoutInitialize } from '@app/store/account/authentication';
 import { TranslateService } from '@ngx-translate/core';
+import { NativeService, UCAP_NATIVE_SERVICE } from '@ucap-webmessenger/native';
 
 @Component({
   selector: 'app-page-account-login',
@@ -84,6 +85,7 @@ export class LoginPageComponent implements OnInit, OnDestroy {
   ];
 
   constructor(
+    @Inject(UCAP_NATIVE_SERVICE) private nativeService: NativeService,
     private store: Store<any>,
     private router: Router,
     private translateService: TranslateService,
@@ -190,6 +192,11 @@ export class LoginPageComponent implements OnInit, OnDestroy {
       KEY_LOGOUT_INFO
     );
 
+    if (!!personLogout) {
+      // if self logout clear idle check.
+      this.nativeService.idleStateStop();
+    }
+
     if (!!personLogout && !!personLogout.reasonCode) {
       let msg = this.translateService.instant('accounts.results.doLogout');
       switch (personLogout.reasonCode) {
diff --git a/projects/ucap-webmessenger-app/src/app/store/messenger/sync/reducers.ts b/projects/ucap-webmessenger-app/src/app/store/messenger/sync/reducers.ts
index 38d7ce31..2cac0931 100644
--- a/projects/ucap-webmessenger-app/src/app/store/messenger/sync/reducers.ts
+++ b/projects/ucap-webmessenger-app/src/app/store/messenger/sync/reducers.ts
@@ -234,13 +234,13 @@ export const reducer = createReducer(
     const roomUserList: RoomUserDetailData[] = [];
     const roomUserShortList: RoomUserData[] = [];
 
-    if (action.userInfoList) {
+    if (!!action.userInfoList && action.userInfoList.length > 0) {
       roomUserList.push({
         roomSeq: action.roomInfo.roomSeq,
         userInfos: action.userInfoList
       });
     }
-    if (action.userInfoShortList) {
+    if (!!action.userInfoShortList && action.userInfoShortList.length > 0) {
       roomUserShortList.push({
         roomSeq: action.roomInfo.roomSeq,
         userInfos: action.userInfoShortList
@@ -252,12 +252,18 @@ export const reducer = createReducer(
       room: adapterRoom.upsertOne(action.roomInfo, {
         ...state.room
       }),
-      roomUser: adapterRoomUser.upsertMany(roomUserList, {
-        ...state.roomUser
-      }),
-      roomUserShort: adapterRoomUserShort.upsertMany(roomUserShortList, {
-        ...state.roomUserShort
-      })
+      roomUser:
+        roomUserList.length > 0
+          ? adapterRoomUser.upsertMany(roomUserList, {
+              ...state.roomUser
+            })
+          : state.roomUser,
+      roomUserShort:
+        roomUserShortList.length > 0
+          ? adapterRoomUserShort.upsertMany(roomUserShortList, {
+              ...state.roomUserShort
+            })
+          : state.roomUserShort
     };
   }),
 
diff --git a/projects/ucap-webmessenger-native-browser/src/lib/services/browser-native.service.ts b/projects/ucap-webmessenger-native-browser/src/lib/services/browser-native.service.ts
index 7460f818..50bec0b9 100644
--- a/projects/ucap-webmessenger-native-browser/src/lib/services/browser-native.service.ts
+++ b/projects/ucap-webmessenger-native-browser/src/lib/services/browser-native.service.ts
@@ -187,13 +187,15 @@ export class BrowserNativeService extends NativeService {
     });
   }
 
-  selectSaveFilePath(defaultPath?: string): Promise<{
-    canceled: boolean,
-    filePath: string
+  selectSaveFilePath(
+    defaultPath?: string
+  ): Promise<{
+    canceled: boolean;
+    filePath: string;
   }> {
     return new Promise<{
-      canceled: boolean,
-      filePath: string
+      canceled: boolean;
+      filePath: string;
     }>((resolve, reject) => {
       resolve({
         canceled: false,
@@ -245,6 +247,8 @@ export class BrowserNativeService extends NativeService {
     });
   }
 
+  idleStateStop(): void {}
+
   changeLimitOfIdleState(limitTime: number): void {}
 
   chatOpenRoom(): Observable<string> {
diff --git a/projects/ucap-webmessenger-native-electron/src/lib/services/electron-native.service.ts b/projects/ucap-webmessenger-native-electron/src/lib/services/electron-native.service.ts
index 2b37b986..7f545324 100644
--- a/projects/ucap-webmessenger-native-electron/src/lib/services/electron-native.service.ts
+++ b/projects/ucap-webmessenger-native-electron/src/lib/services/electron-native.service.ts
@@ -309,13 +309,15 @@ export class ElectronNativeService implements NativeService {
     });
   }
 
-  selectSaveFilePath(defaultPath?: string): Promise<{
-    canceled: boolean,
-    filePath: string
+  selectSaveFilePath(
+    defaultPath?: string
+  ): Promise<{
+    canceled: boolean;
+    filePath: string;
   }> {
     return new Promise<{
-      canceled: boolean,
-      filePath: string
+      canceled: boolean;
+      filePath: string;
     }>((resolve, reject) => {
       try {
         resolve(
@@ -409,7 +411,7 @@ export class ElectronNativeService implements NativeService {
         .asObservable()
         .pipe(share());
     }
-
+    console.log('idleStateChanged');
     this.ipcRenderer.send(IdleStateChannel.StartCheck);
 
     this.ipcRenderer.on(
@@ -421,6 +423,10 @@ export class ElectronNativeService implements NativeService {
     return this.idleStateChanged$;
   }
 
+  idleStateStop(): void {
+    this.ipcRenderer.send(IdleStateChannel.StopCheck);
+  }
+
   changeLimitOfIdleState(limitTime: number): void {
     this.ipcRenderer.send(IdleStateChannel.ChangeLimitTime, limitTime);
   }
diff --git a/projects/ucap-webmessenger-native-electron/src/lib/types/channel.type.ts b/projects/ucap-webmessenger-native-electron/src/lib/types/channel.type.ts
index 8cdf96a8..fdc1801f 100644
--- a/projects/ucap-webmessenger-native-electron/src/lib/types/channel.type.ts
+++ b/projects/ucap-webmessenger-native-electron/src/lib/types/channel.type.ts
@@ -51,6 +51,7 @@ export enum WindowStateChannel {
 export enum IdleStateChannel {
   Changed = 'UCAP::idleState::changed',
   StartCheck = 'UCAP::idleState::startCheck',
+  StopCheck = 'UCAP::idleState::stopCheck',
   ChangeLimitTime = 'UCAP::idleState::changeLimitTime'
 }
 
diff --git a/projects/ucap-webmessenger-native/src/lib/services/native.service.ts b/projects/ucap-webmessenger-native/src/lib/services/native.service.ts
index e456dcb0..ec7962a8 100644
--- a/projects/ucap-webmessenger-native/src/lib/services/native.service.ts
+++ b/projects/ucap-webmessenger-native/src/lib/services/native.service.ts
@@ -59,9 +59,11 @@ export abstract class NativeService {
   abstract openTargetItem(filePath?: string): Promise<boolean>;
   abstract getPath(name: NativePathName): Promise<string>;
   abstract selectDirectory(): Promise<string>;
-  abstract selectSaveFilePath(defaultPath?: string): Promise<{
-    canceled: boolean,
-    filePath: string
+  abstract selectSaveFilePath(
+    defaultPath?: string
+  ): Promise<{
+    canceled: boolean;
+    filePath: string;
   }>;
 
   abstract executeProcess(executableName: string): Promise<number>;
@@ -74,6 +76,7 @@ export abstract class NativeService {
   abstract appExit(): void;
 
   abstract idleStateChanged(): Observable<WindowIdle>;
+  abstract idleStateStop(): void;
   abstract changeLimitOfIdleState(limitTime: number): void;
 
   abstract chatOpenRoom(): Observable<string>;
diff --git a/projects/ucap-webmessenger-protocol-event/src/lib/models/info.ts b/projects/ucap-webmessenger-protocol-event/src/lib/models/info.ts
index de6b7c89..c4e9ce20 100644
--- a/projects/ucap-webmessenger-protocol-event/src/lib/models/info.ts
+++ b/projects/ucap-webmessenger-protocol-event/src/lib/models/info.ts
@@ -42,7 +42,13 @@ export function isForwardable(
   event: Info,
   eventInfoStatus: InfoResponse
 ): boolean {
-  if (event.type === EventType.File) {
+  if (
+    event.type === EventType.Plan ||
+    event.type === EventType.AllimTms ||
+    event.type === EventType.AllimElephant
+  ) {
+    return false;
+  } else if (event.type === EventType.File) {
     if (
       !!eventInfoStatus &&
       !!eventInfoStatus.validFileBaseSeq &&