fix bug toc not displayed

components/LayoutWrapper.vue

@@ -23,7 +23,6 @@ function onScroll() {
   }
   else { density.value = "prominent" }
 }
-
 </script>
 
 <template>
@@ -33,10 +32,7 @@ function onScroll() {
         <v-row justify="center">
           <v-col cols="auto">
             <v-card flat color="transparent" :max-width="fluid ? undefined : 1280">
-
               <slot />
-              <!-- </v-card-text>
-          </v-card> -->
               <EditGitlab v-if="edit" />
               <NavPrevNext v-if="edit" />
             </v-card>
@@ -45,11 +41,11 @@ function onScroll() {
       </v-container>
       <!-- <Footer></Footer> -->
     </v-main>
-    <NavNavbar v-model:drawer="drawer" :density="density" :drawer-enabled="navDrawer"/>
+    <NavNavbar v-model:drawer="drawer" :density="density" :drawer-enabled="navDrawer" />
     <slot v-if="navDrawer" name="drawer" :drawer="drawer">
       <NavDrawer :drawer="drawer" />
     </slot>
-    <NavTableOfContent v-if="toc?.body?.toc?.links" :links="page.body.toc.links" />
+    <NavTableOfContent :links="page.body.toc.links ?? []" />
     <nav-back-to-top />
   </VApp>
 </template>