改造null

Yi.Vue3.x.Vant/src/layout/bottom/index.vue

@@ -35,6 +35,7 @@ let tabbar=ref([
   {icon:"wap-home",to:"/",title:"主页"},
   {icon:"location-o",to:"",title:"发现"},
   {icon:"",to:"",title:""},
+  // {icon:"friends-o",to:"/shopIndex",title:"商城"},
   {icon:"friends-o",to:"",title:"商城"},
   {icon:"setting-o",to:"/my",title:"我的"},
 ])
@@ -43,6 +44,7 @@ const onChange=(index:number)=>{
   {icon:"wap-home-o",to:"/",title:"主页"},
   {icon:"location-o",to:"",title:"发现"},
   {icon:"",to:"",title:""},
+  // {icon:"friends-o",to:"/shopIndex",title:"商城"},
   {icon:"friends-o",to:"",title:"商城"},
   {icon:"setting-o",to:"/my",title:"我的"},
 ];

Yi.Vue3.x.Vant/src/layout/head/index.vue

@@ -0,0 +1,9 @@
+<template>
+    <van-nav-bar
+  title="标题"
+  left-text="返回"
+  left-arrow
+/>
+    <br>
+    <router-view />
+</template>