update:消息提示

fcb-fronted/src/views/Admin/AdminView.vue

@@ -1,7 +1,7 @@
 <template>
   <el-container style="height: 100vh;width: 100vw;position: relative;user-select: none">
     <el-header>
-      <el-menu mode="horizontal" router default-active="/admin">
+      <el-menu mode="horizontal" router :default-active="route.path">
         <el-menu-item v-for="menu in menus" :index="menu.path" :key="menu.path">{{menu.name}}</el-menu-item>
       </el-menu>
     </el-header>
@@ -14,6 +14,8 @@
 import { useDark } from '@vueuse/core';
 import { ref } from "vue";
 const isDark = useDark()
+import { useRoute } from 'vue-router';
+const route = useRoute();
 const menus = ref([
   {
     name: '文件管理',