diff --git a/pages/blog/posts/2020-10-10-webpack-5-release.md b/pages/blog/posts/2020-10-10-webpack-5-release.md
index 28414b4..6092111 100644
--- a/pages/blog/posts/2020-10-10-webpack-5-release.md
+++ b/pages/blog/posts/2020-10-10-webpack-5-release.md
@@ -1,9 +1,7 @@
 ---
 layout: post
 date: 2020-10-10T00:00:00Z
-authors:
-  - sokra
-  - chenxsan
+authors: sokra, chenxsan
 category: Release
 image: /assets/blog/cover-1.svg
 description: Webpack 5.0.0 is officially released! This major version brings huge architectural improvements, persistent caching, deterministic chunk IDs, and Module Federation.
diff --git a/scripts/data/blog.mjs b/scripts/data/blog.mjs
index 1bc5e11..9c90fd4 100644
--- a/scripts/data/blog.mjs
+++ b/scripts/data/blog.mjs
@@ -25,7 +25,7 @@ const readPosts = async () => {
       return {
         slug,
         title: titleFromBody(content) ?? slug,
-        authors: data.authors.split(',').map(s => s.trim()),
+        authors: data.authors?.split(',').map(s => s.trim()),
         date: new Date(data.date).toISOString(),
         category: data.category ?? null,
         image: data.image ?? null,