fix(route/sspai/index): adapt to sspai morning news new design (#20127)

* fix: adapt to sspai morning news new design

* fix: fix variable name

Author: cscnk52

lib/routes/sspai/index.ts

@@ -23,7 +23,7 @@ export const route: Route = {
         },
     ],
     name: '首页',
-    maintainers: ['HenryQW'],
+    maintainers: ['HenryQW', 'cscnk52'],
     handler,
     url: 'sspai.com/index',
 };
@@ -49,6 +49,10 @@ async function handler() {
                 }
                 description += articleData.body;
 
+                if (articleData.body_extends) {
+                    description += articleData.body_extends.map((bodyExtendsItem) => `<h2>${bodyExtendsItem.title}</h2>${bodyExtendsItem.body}`).join('');
+                }
+
                 return {
                     title: item.title.trim(),
                     description,