取文章的Tag作为详情页的keywords

components/GlobalHead.js

@@ -11,7 +11,7 @@ import { useEffect } from 'react'
  * @returns
  */
 const GlobalHead = props => {
-  const { children, siteInfo } = props
+  const { children, siteInfo, post } = props
   let url = siteConfig('PATH')?.length
     ? `${siteConfig('LINK')}/${siteConfig('SUB_PATH', '')}`
     : siteConfig('LINK')
@@ -25,12 +25,17 @@ const GlobalHead = props => {
   const title = meta?.title || siteConfig('TITLE')
   const description = meta?.description || `${siteInfo?.description}`
   const type = meta?.type || 'website'
-  const keywords = meta?.tags || siteConfig('KEYWORDS')
   const lang = siteConfig('LANG').replace('-', '_') // Facebook OpenGraph 要 zh_CN 這樣的格式才抓得到語言
   const category = meta?.category || siteConfig('KEYWORDS') // section 主要是像是 category 這樣的分類，Facebook 用這個來抓連結的分類
   const favicon = siteConfig('BLOG_FAVICON')
   const webFontUrl = siteConfig('FONT_URL')
 
+  // SEO关键词
+  let keywords = meta?.tags || siteConfig('KEYWORDS')
+  if (post?.tags && post?.tags?.length > 0) {
+    keywords = post?.tags?.join(',')
+  }
+
   useEffect(() => {
     // 使用WebFontLoader字体加载
     loadExternalResource(