diff --git a/angular/src/app/app.module.ts b/angular/src/app/app.module.ts
index a7a934e..9e1cf6b 100644
--- a/angular/src/app/app.module.ts
+++ b/angular/src/app/app.module.ts
@@ -1,7 +1,5 @@
 import { NgModule } from '@angular/core';
 import { BrowserModule } from '@angular/platform-browser';
-import { RouterModule } from '@angular/router';
-
 import { LoyalityProgramComponent } from './pages/loyality-program/loyality-program.component';
 import { AppRoutingModule } from './app-routing.module';
 import { AppComponent } from './app.component';
@@ -33,7 +31,6 @@ import { ShareButtonsModule } from 'ngx-sharebuttons/buttons';
 import { ShareIconsModule } from 'ngx-sharebuttons/icons';
 import { MessagingService } from './services/messaging.service';
 import { NotFoundComponent } from './pages/not-found/not-found.component';
-import { DownloadAppDirective } from './directives/download-app.directive';
 import { MatIconModule } from '@angular/material/icon';
 import { GuestCardComponent } from './pages/guest-card/guest-card.component';
 import { QrCodeModule } from 'ng-qrcode';
@@ -46,7 +43,6 @@ import { LoginComponent } from './pages/login/login.component';
 import { NgxMatIntlTelInputComponent } from 'ngx-mat-intl-tel-input';
 import { MatFormFieldModule } from '@angular/material/form-field';
 import { MatInputModule } from '@angular/material/input';
-import { FocusNextInputDirective } from './directives/focus-next-input.directive';
 import { MatSnackBarModule } from '@angular/material/snack-bar';
 import {
   MAT_BOTTOM_SHEET_DATA,
@@ -72,7 +68,6 @@ import { DirectivesModule } from './directives/directives.module';
     UserDataComponent,
     RefSystemComponent,
     NotFoundComponent,
-    DownloadAppDirective,
     GuestCardComponent,
     AccordionComponent,
     LastOrderComponent,
diff --git a/angular/src/app/directives/directives.module.ts b/angular/src/app/directives/directives.module.ts
index 7eed56e..28b7064 100644
--- a/angular/src/app/directives/directives.module.ts
+++ b/angular/src/app/directives/directives.module.ts
@@ -1,12 +1,13 @@
 import { NgModule } from '@angular/core';
 import { CommonModule } from '@angular/common';
 import { FocusNextInputDirective } from './focus-next-input.directive';
+import { DownloadAppDirective } from './download-app.directive';
 
 @NgModule({
   imports: [
     CommonModule
   ],
-  declarations: [FocusNextInputDirective],
-  exports: [FocusNextInputDirective]
+  declarations: [FocusNextInputDirective, DownloadAppDirective],
+  exports: [FocusNextInputDirective, DownloadAppDirective]
 })
 export class DirectivesModule { }
diff --git a/angular/src/app/directives/download-app.directive.ts b/angular/src/app/directives/download-app.directive.ts
index 12f9154..40eaa18 100644
--- a/angular/src/app/directives/download-app.directive.ts
+++ b/angular/src/app/directives/download-app.directive.ts
@@ -5,6 +5,7 @@ import {
   OnInit,
   Renderer2,
 } from '@angular/core';
+import { MatSnackBar } from '@angular/material/snack-bar';
 import { MessageService } from 'primeng/api';
 
 @Directive({
@@ -17,7 +18,8 @@ export class DownloadAppDirective implements OnInit {
   constructor(
     private messageService: MessageService,
     public renderer: Renderer2,
-    private el: ElementRef
+    private el: ElementRef,
+    private _snackBar: MatSnackBar,
   ) {}
 
   ngOnInit(): void {
@@ -57,10 +59,8 @@ export class DownloadAppDirective implements OnInit {
       event.preventDefault();
     }
     if (this.deviceType === 'ios') {
-      this.messageService.add({
-        severity: 'custom',
-        summary: `Для установки нажмите на кнопку поделиться в Вашем браузере и выберите пункт 'На экран «Домой»'`,
-        life: 5000,
+      this._snackBar.open(`Для установки нажмите на кнопку поделиться в Вашем браузере и выберите пункт 'На экран «Домой»'`, '', {
+        duration: 5000,
       });
       return;
     }
@@ -69,14 +69,16 @@ export class DownloadAppDirective implements OnInit {
         severity: 'error',
         summary: 'Не поддерживается в Вашем браузере!',
       });
+      this._snackBar.open('Не поддерживается в Вашем браузере!', '', {
+        duration: 3000,
+      });
       return;
     }
     this.deferredPrompt.prompt();
     this.deferredPrompt.userChoice.then((res: any) => {
       if (res.outcome === 'accepted') {
-        this.messageService.add({
-          severity: 'custom',
-          summary: 'Спасибо за установку!',
+        this._snackBar.open('Спасибо за установку!', '', {
+          duration: 3000,
         });
       }
       this.deferredPrompt = null;
diff --git a/angular/src/app/presentation-options/default-option/components/navbar/navbar.component.html b/angular/src/app/presentation-options/default-option/components/navbar/navbar.component.html
index e3df091..c3ba5c6 100644
--- a/angular/src/app/presentation-options/default-option/components/navbar/navbar.component.html
+++ b/angular/src/app/presentation-options/default-option/components/navbar/navbar.component.html
@@ -1,5 +1,6 @@
 <div class="container">
     <mat-icon style="cursor: pointer;" aria-hidden="false" aria-label="Назад" fontIcon="arrow_back_ios" class="back-arrow" (click)="back()"></mat-icon>
     <h1 class="title">{{title}}</h1>
-    <div class="plug"></div>
+    <!-- <div class="plug"></div> -->
+    <button mat-stroked-button appDownloadApp>Установить</button>
 </div>
diff --git a/angular/src/app/presentation-options/default-option/default-option.module.ts b/angular/src/app/presentation-options/default-option/default-option.module.ts
index a6713cb..f007201 100644
--- a/angular/src/app/presentation-options/default-option/default-option.module.ts
+++ b/angular/src/app/presentation-options/default-option/default-option.module.ts
@@ -19,6 +19,7 @@ import { NgxMatIntlTelInputComponent } from 'ngx-mat-intl-tel-input';
 import { MatInputModule } from '@angular/material/input';
 import { DirectivesModule } from 'src/app/directives/directives.module';
 import { LoyalityProgramComponent } from './pages/loyality-program/loyality-program.component';
+import {MatButtonModule} from '@angular/material/button';
 
 @NgModule({
   declarations: [
@@ -44,7 +45,8 @@ import { LoyalityProgramComponent } from './pages/loyality-program/loyality-prog
     NgxMatIntlTelInputComponent,
     ReactiveFormsModule,
     MatInputModule,
-    DirectivesModule
+    DirectivesModule,
+    MatButtonModule
   ],
   bootstrap: [IndexComponent],
 })
diff --git a/angular/src/app/services/wp-json.service.ts b/angular/src/app/services/wp-json.service.ts
index 534cb02..20f973c 100644
--- a/angular/src/app/services/wp-json.service.ts
+++ b/angular/src/app/services/wp-json.service.ts
@@ -45,7 +45,7 @@ export class WpJsonService {
   getCustomerInfo(systemId: string, token: string, url: string): Observable<any> {
     return this._request(`customer_info/${systemId}/${token}/`, 'GET', null, false, url).pipe(
       switchMap((response) => {
-        if (response.customer_info.errorCode !== 'Customer_CustomerNotFound') {
+        if (response?.customer_info?.errorCode !== 'Customer_CustomerNotFound') {
           return of(response)
         } else {
           return this.newCustomer(systemId, token, url).pipe(