feat: 🚀 订阅功能

src/components/ErrorMessage/404.vue

@@ -0,0 +1,20 @@
+<template>
+    <div class="not-container">
+        <img src="@/assets/images/404.png" class="not-img" alt="404" />
+        <div class="not-detail">
+            <h2>404</h2>
+            <h4>抱歉，您访问的页面不存在~🤷‍♂️🤷‍♀️</h4>
+            <el-button type="primary" @click="router.push(HOME_URL)"> 返回首页 </el-button>
+        </div>
+    </div>
+</template>
+
+<script setup lang="ts" name="404">
+import { HOME_URL } from "@/config";
+import { useRouter } from "vue-router";
+const router = useRouter();
+</script>
+
+<style scoped lang="scss">
+@import "./index.scss";
+</style>