fix: iqiyi dongman (#4137)

lib/routes/iqiyi/dongman.js

@@ -11,14 +11,11 @@ module.exports = async (ctx) => {
             Host: 'www.iqiyi.com',
             Referer: `http://www.iqiyi.com/${id}.html`,
         },
-        responseType: 'document',
     });
 
     const data = response.data;
     const $ = cheerio.load(data);
-    const description = $('span[data-moreorless="moreinfo"][itemprop="description"] span')
-        .text()
-        .split('\n')[0];
+    const description = $('.episodeIntro-brief').text();
     const list = $('li[data-albumlist-elem="playItem"]');
 
     ctx.state.data = {