fix menu

view/src/menu/leftMenu.vue

@@ -16,7 +16,7 @@ import {router} from "../router/index.js";
 <template>
 
   <el-scrollbar>
-    <el-menu :router="true">
+    <el-menu v-model="sel" :router="true">
       <el-sub-menu index="1">
         <template #title>
           <el-icon>
@@ -87,6 +87,9 @@ import {router} from "../router/index.js";
 <script>
 
 import axios from "axios";
+import { ref } from "vue";
+
+const sel = ref('')
 
 function test() {
   axios.get('http://127.0.0.1:3050/test').then(r => {