update

src/layouts/components/BreadCrumb.vue

@@ -33,6 +33,7 @@ import { useRoute } from 'vue-router/composables';
 const route = useRoute();
 let routerList = ref([]);
 const isShow = computed(() => routerList.value.length > 0);
+console.log(isShow.value);
 
 const emits = defineEmits(['update:isShowNav']);