diff --git a/lib/routes/pork-price/index.js b/lib/routes/pork-price/index.js
index b8d83f7f61..f9bfe109d0 100644
--- a/lib/routes/pork-price/index.js
+++ b/lib/routes/pork-price/index.js
@@ -36,6 +36,7 @@ module.exports = async (ctx) => {
             title: `${date} ${names[key]} ${today}元/公斤. ${description}`,
             description,
             link: base_url,
+            guid: `${date} ${names[key]}`,
         });
     }