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 681f25b0..47b49307 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
@@ -3,7 +3,7 @@ import { Component, OnInit, OnDestroy } from '@angular/core';
 import { Store, select } from '@ngrx/store';
 
 import { Company } from '@ucap-webmessenger/api-external';
-import { ServerErrorCode } from '@ucap-webmessenger/protocol';
+import { ServerErrorCode, ProtocolService } from '@ucap-webmessenger/protocol';
 
 import * as AppStore from '@app/store';
 import * as AuthenticationStore from '@app/store/account/authentication';
@@ -31,6 +31,8 @@ import {
 } from '@ucap-webmessenger/web-storage';
 import { AppUserInfo, KEY_APP_USER_INFO } from '@app/types/app-user-info.type';
 import { LogoutInfo, KEY_LOGOUT_INFO } from '@app/types';
+import { AppAuthenticationService } from '@app/services/authentication.service';
+import { logoutInitialize } from '@app/store/account/authentication';
 
 @Component({
   selector: 'app-page-account-login',
@@ -84,8 +86,10 @@ export class LoginPageComponent implements OnInit, OnDestroy {
     private store: Store<any>,
     private router: Router,
     private dialogService: DialogService,
+    private protocolService: ProtocolService,
     private localStorageService: LocalStorageService,
-    private sessionStorageService: SessionStorageService
+    private sessionStorageService: SessionStorageService,
+    private appAuthenticationService: AppAuthenticationService
   ) {
     this.useRememberMe =
       environment.productConfig.authentication.rememberMe.use;
@@ -101,6 +105,10 @@ export class LoginPageComponent implements OnInit, OnDestroy {
   }
 
   ngOnInit(): void {
+    // this.appAuthenticationService.logout();
+    this.protocolService.disconnect();
+    this.store.dispatch(logoutInitialize());
+
     this.rotateInfomationIntervalObject = setInterval(() => {
       this.rotateInfomationIndex =
         (this.rotateInfomationIndex + 1) % this.rotateInfomation.length;
@@ -179,7 +187,7 @@ export class LoginPageComponent implements OnInit, OnDestroy {
       !!personLogout.reasonCode &&
       personLogout.reasonCode === ServerErrorCode.ERRCD_DUPLICATE
     ) {
-      const result = await this.dialogService.open<
+      const result = this.dialogService.open<
         AlertDialogComponent,
         AlertDialogData,
         AlertDialogResult
diff --git a/projects/ucap-webmessenger-app/src/app/services/authentication.service.ts b/projects/ucap-webmessenger-app/src/app/services/authentication.service.ts
index ebd1d012..bbcc2aa8 100644
--- a/projects/ucap-webmessenger-app/src/app/services/authentication.service.ts
+++ b/projects/ucap-webmessenger-app/src/app/services/authentication.service.ts
@@ -12,7 +12,8 @@ import {
   KEY_VER_INFO,
   KEY_URL_INFO,
   KEY_LOGOUT_INFO,
-  LogoutInfo
+  LogoutInfo,
+  KEY_AUTH_INFO
 } from '../types';
 import { PasswordUtil } from '@ucap-webmessenger/pi';
 
@@ -106,5 +107,6 @@ export class AppAuthenticationService {
     this.sessionStorageService.remove(KEY_VER_INFO);
     this.sessionStorageService.remove(KEY_LOGIN_INFO);
     this.sessionStorageService.remove(KEY_URL_INFO);
+    this.sessionStorageService.remove(KEY_AUTH_INFO);
   }
 }
diff --git a/projects/ucap-webmessenger-protocol/src/lib/services/protocol.service.ts b/projects/ucap-webmessenger-protocol/src/lib/services/protocol.service.ts
index f1abf007..4cdad47b 100644
--- a/projects/ucap-webmessenger-protocol/src/lib/services/protocol.service.ts
+++ b/projects/ucap-webmessenger-protocol/src/lib/services/protocol.service.ts
@@ -150,7 +150,9 @@ export class ProtocolService {
   }
 
   public disconnect(): void {
-    this.messagesSubscription.unsubscribe();
+    if (!!this.messagesSubscription) {
+      this.messagesSubscription.unsubscribe();
+    }
   }
 
   public get serverMessage(): Observable<ProtocolMessage> {