diff --git a/lib/v2/github/comments.js b/lib/v2/github/comments.js
index 5ef814d5f6..ebb716eef2 100644
--- a/lib/v2/github/comments.js
+++ b/lib/v2/github/comments.js
@@ -48,7 +48,7 @@ module.exports = async (ctx) => {
     let items = [
         {
             title: `${issue.user.login} created ${user}/${repo}: ${typeDict[type].title} #${issue.number}`,
-            description: md.render(issue.body),
+            description: issue.body ? md.render(issue.body) : null,
             author: issue.user.login,
             pubDate: parseDate(issue.created_at),
             link: `${issue.html_url}#issue-${issue.id}`,