laosiji：修复标题为空问题 (#889)

* 增加：有品-每日上新

* 修复 summary 字段错误

* 将 youpin 模块转移至 mi 目录下，并更新文档

* hotfix: 修复标题为空问题

标题为空时取描述作为标题

routes/laosiji/hot.js

@@ -12,10 +12,10 @@ module.exports = async (ctx) => {
         title: '老司机-24小时热门',
         link: 'http://www.laosiji.com/new_web/index.html',
         description: '老司机-24小时热门',
-        item: data.map(({ title, id, imageInfo, createtime }) => ({
-            title,
+        item: data.map(({ title, description, id, imageInfo, createtime }) => ({
+            title: title === '' ? description : title,
             link: `http://www.laosiji.com/thread/${id}.html`,
-            description: `<img referrerpolicy="no-referrer" src="${imageInfo.url}">`,
+            description: `<img referrerpolicy="no-referrer" src="${imageInfo.url}">${description}`,
             pubDate: new Date(createtime).toUTCString(),
         })),
     };