fix(使所有主题的404能够正常运转): 同时让获取文章DOM节点也避免公告栏等其他位置的干扰

themes/next/components/WordCount.js

@@ -23,7 +23,7 @@ export default function WordCount() {
  * 更新字数统计和阅读时间
  */
 function countWords() {
-  const articleText = deleteHtmlTag(document.getElementById('notion-article')?.innerHTML)
+  const articleText = deleteHtmlTag(document.querySelector('#article-wrapper #notion-article')?.innerHTML)
   const wordCount = fnGetCpmisWords(articleText)
   // 阅读速度 300-500每分钟
   document.getElementById('wordCount').innerHTML = wordCount

themes/next/index.js

@@ -328,7 +328,7 @@ const LayoutSlug = props => {
       setTimeout(
         () => {
           if (isBrowser) {
-            const article = document.getElementById('notion-article')
+            const article = document.querySelector('#article-wrapper #notion-article')
             if (!article) {
               router.push('/404').then(() => {
                 console.warn('找不到页面', router.asPath)