显示添加<ion-router-outlet></ion-router-outlet>

src/app/app-routing.module.ts

@@ -55,7 +55,7 @@ const routes: Routes = [
 
 @NgModule({
     imports: [
-        RouterModule.forRoot(routes, {preloadingStrategy: PreloadAllModules})
+        RouterModule.forRoot(routes, {preloadingStrategy: PreloadAllModules,enableTracing: true})
     ],
     exports: [RouterModule]
 })

src/app/envCtrl/env-detail/env-detail.page.html

@@ -50,4 +50,5 @@
       <!--</ion-tab-button>-->
     </ion-tab-bar>
   </ion-tabs>
+  <ion-router-outlet></ion-router-outlet>
 </ion-content>

src/app/envCtrl/tabs/tabs.page.html

+<ion-router-outlet></ion-router-outlet>
 <ion-tabs>
   <ion-tab-bar slot="bottom">