Ionic framework 离子5，角度-侧菜单中的链接不可单击

我有一个奇怪的问题-但我是新来的离子，所以可能会错过一些东西。我使用离子5和angular并实现ngxs。我在我的页面底部有一些标签，上面有运行良好的路由。如果我单击选项卡菜单中的某个项目，它将带我进入页面。我还添加了一个侧菜单，但其中没有一个项目是可点击的。我希望有人能看到一些明显的我遗漏的东西。附加生成的HTML的图像

in-app-routing.module.ts

import { NgModule }    from '@angular/core';
import {
    PreloadAllModules,
    RouterModule,
    Routes,
}                      from '@angular/router';
import { PagesModule } from '../pages/pages.module';
const routes: Routes = [
    {
        path:         '',
        loadChildren: (): any => import('./../pages/pages.module').then((m: {PagesModule: PagesModule}) => m.PagesModule),
    },
];
@NgModule({
    imports: [
        RouterModule.forRoot(routes, {
            preloadingStrategy: PreloadAllModules,
        }),
    ],
    exports: [
        RouterModule,
    ],
})
export class AppRoutingModule {
}

import { NgModule }             from '@angular/core';
import { RouterModule, Routes } from '@angular/router';
import { AboutPage }            from './about/about.page';
import { ContactPage }          from './contact/contact.page';
import { FaqPage }              from './faq/faq.page';
import { TabsPage }             from './tabs/tabs.page';
import { BlogPage }             from './blog/blog.page';
const routes: Routes = [
    {
        path:      'page',
        component: TabsPage,
        children:  [
            {
                path:      'about',
                component: AboutPage,
            },
            {
                path:      'contact',
                component: ContactPage,
            },
            {
                path:      'faq',
                component: FaqPage,
            },
            {
                path:      'blog',
                component: BlogPage,
            },
        ],
    },
    {
        path:       '',
        redirectTo: '/page/about',
        pathMatch:  'full',
    },
];
@NgModule({
    imports: [
        RouterModule.forChild(routes),
    ],
    exports: [
        RouterModule,
    ],
})
export class PagesRoutingModule {
}

在pages-routing.module.ts中

import { NgModule }    from '@angular/core';
import {
    PreloadAllModules,
    RouterModule,
    Routes,
}                      from '@angular/router';
import { PagesModule } from '../pages/pages.module';
const routes: Routes = [
    {
        path:         '',
        loadChildren: (): any => import('./../pages/pages.module').then((m: {PagesModule: PagesModule}) => m.PagesModule),
    },
];
@NgModule({
    imports: [
        RouterModule.forRoot(routes, {
            preloadingStrategy: PreloadAllModules,
        }),
    ],
    exports: [
        RouterModule,
    ],
})
export class AppRoutingModule {
}

import { NgModule }             from '@angular/core';
import { RouterModule, Routes } from '@angular/router';
import { AboutPage }            from './about/about.page';
import { ContactPage }          from './contact/contact.page';
import { FaqPage }              from './faq/faq.page';
import { TabsPage }             from './tabs/tabs.page';
import { BlogPage }             from './blog/blog.page';
const routes: Routes = [
    {
        path:      'page',
        component: TabsPage,
        children:  [
            {
                path:      'about',
                component: AboutPage,
            },
            {
                path:      'contact',
                component: ContactPage,
            },
            {
                path:      'faq',
                component: FaqPage,
            },
            {
                path:      'blog',
                component: BlogPage,
            },
        ],
    },
    {
        path:       '',
        redirectTo: '/page/about',
        pathMatch:  'full',
    },
];
@NgModule({
    imports: [
        RouterModule.forChild(routes),
    ],
    exports: [
        RouterModule,
    ],
})
export class PagesRoutingModule {
}

在app.component.html中

<ion-app>
    <ion-menu side="start" menuId="first" contentId="main-menu">
        <ion-header>
            <ion-toolbar color="primary">
                <ion-title>Start Menu</ion-title>
            </ion-toolbar>
        </ion-header>
        <ion-content id="main-menu">
            <ion-list>
                <ion-item routerLink="/page/about" routerDirection="forward">About</ion-item>
                <ion-item routerLink="/page/faq" routerDirection="forward">FAQ</ion-item>
                <ion-item routerLink="/page/blog" routerDirection="forward">Blog</ion-item>
                <ion-item routerLink="/page/contact" routerDirection="forward">Contact</ion-item>
            </ion-list>
        </ion-content>
    </ion-menu>
    <ion-router-outlet></ion-router-outlet>
</ion-app>

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