update router

src/app/demo/view/menu/menudemo.module.ts

@@ -0,0 +1,27 @@
+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { RouterModule, Routes } from '@angular/router';
+
+import { PaymentDemoComponent } from './paymentdemo.component';
+import {SeatDemoComponent} from './seatdemo.component';
+import {PersonalDemoComponent} from './personaldemo.component';
+import {ConfirmationDemoComponent} from './confirmationdemo.component';
+import { MenusDemoComponent } from '../menusdemo.component';
+
+@NgModule({
+  declarations: [],
+  imports: [
+    CommonModule,
+    RouterModule.forChild([
+      {path:'',component: MenusDemoComponent, children:[
+				{path:'', redirectTo: 'personal', pathMatch: 'full'},
+				{path: 'personal', component: PersonalDemoComponent},
+				{path: 'confirmation', component: ConfirmationDemoComponent},
+				{path: 'seat', component: SeatDemoComponent},
+				{path: 'payment', component: PaymentDemoComponent}
+			]}
+    ])
+  ],
+  exports: [RouterModule]
+})
+export class MenudemoModule { }