完善后台布局

src/layouts/components/breadcrumb.vue

@@ -17,6 +17,11 @@
 import { ref, watch } from 'vue'
 import { useRoute, useRouter } from 'vue-router'
 
+// 定义组件名称（多词命名）
+defineOptions({
+	name: 'LayoutBreadcrumb'
+})
+
 const route = useRoute()
 const router = useRouter()
 const breadcrumbList = ref([])