修复：启用评论组件

docs/.vitepress/theme/index.ts

@@ -0,0 +1,15 @@
+import DefaultTheme from 'vitepress/theme'
+import MyLayout from "./MyLayout.vue"
+import './styles/vars.css'
+import './styles/custom.css'
+import ArticleMetadata from './components/ArticleMetadata.vue'
+import WordCloud from './components/WordCloud.vue'
+
+export default {
+  ...DefaultTheme,
+  Layout: MyLayout,
+  enhanceApp({ app }) {
+    app.component('ArticleMetadata', ArticleMetadata)
+    app.component('WordCloud', WordCloud)
+  }
+}