diff --git a/lib/routes/guokr/scientific.js b/lib/routes/guokr/scientific.js
index 9c8e4a8558..9c80137563 100644
--- a/lib/routes/guokr/scientific.js
+++ b/lib/routes/guokr/scientific.js
@@ -11,7 +11,7 @@ module.exports = async (ctx) => {
         description: '果壳网 科学人',
         item: result.map((item) => ({
             title: item.title,
-            description: `${item.summary}<br><img src="${item.image_info.url}">`,
+            description: `${item.summary}<br><img src="${item.image_info ? item.image_info.url : item.small_image}">`,
             pubDate: item.date_published,
             link: item.url,
             author: item.author.nickname,