新增邮件发送和管理员功能

mail-vue/src/views/404/index.vue

@@ -0,0 +1,21 @@
+<script setup>
+import router from "@/router/index.js";
+</script>
+
+<template>
+<div class="box-404">
+  <el-empty class="empty" description="404错误, 找不到页面" >
+    <el-button type="primary" @click="router.replace({name: 'layout'})">返回首页</el-button>
+  </el-empty>
+</div>
+</template>
+
+<style scoped lang="scss">
+.box-404 {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  width: 100%;
+  height: 100%;
+}
+</style>