删除：移除扩展默认主题的Copyright组件，官方已经调整了footer配置的渲染，该组件的意义也就不存在了

repos/.vitepress/theme/components/MyLayout.vue

@@ -1,14 +1,13 @@
 <template>
   <Layout>
     <template #layout-bottom>
-      <Copyright />
+      
     </template>
   </Layout>
 </template>
 
 <script lang="ts" setup>
 import DefaultTheme from "vitepress/theme"
-import Copyright from "./Copyright.vue"
 
 const { Layout } = DefaultTheme
 </script>