fix(route): MIT科技评论文章链接 (#7349)

Co-authored-by: EsuRt <thusid@outlook.com>

lib/routes/mittrchina/index.js

@@ -38,7 +38,7 @@ module.exports = async (ctx) => {
                 description: await getArticleContentByID(ctx, article.id),
                 pubDate: new Date(article.start_time * 1000),
                 guid: article.id,
-                link: article.article_url,
+                link: `http://www.mittrchina.com/news/detail/${article.id}`,
             }))
         ),
     };