Fix DLU sort (#5631)

lib/routes/universities/dlu/jiaowu/news.js

@@ -27,16 +27,19 @@ module.exports = async (ctx) => {
 
     const $ = cheerio.load(iconv.decode(response.data, 'utf-8'));
 
+    const regex = /(\d+)\.htm/;
+
     ctx.state.data = {
         link: base_url,
         title: '大连大学教务处',
         item: $('td[valign="top"]>table[cellspacing="3"][width="100%"] tr')
-            .slice(0, 10)
             .map((_, elem) => ({
                 link: resolve_url(base_url, $('a', elem).attr('href')),
                 title: $('a', elem).attr('title'),
                 pubDate: new Date(new Date().getFullYear() + '-' + $('[class*="timestyle"]', elem).text().replace('/', '-')).toUTCString(),
             }))
-            .get(),
+            .get()
+            .sort((one, two) => two.link.match(regex)[1] - one.link.match(regex)[1])
+            .slice(0, 20),
     };
 };