fix: 修复36氪快讯, b站UP主动态, segmentfault频道, 界面新闻 (#4480)

lib/routes/segmentfault/channel.js

@@ -62,7 +62,7 @@ module.exports = async (ctx) => {
                 date_value = date_v.substring(0, date_v.length - 3);
             } else {
                 // 文章
-                description = $('div.article.fmt.article__content')
+                description = $('article.article.fmt.article-content')
                     .html()
                     .replace(/data-src="/g, 'src="https://segmentfault.com')
                     .trim();