diff --git a/brainsteam/content/notes/2023/04/21/1682060700.md b/brainsteam/content/notes/2023/04/21/1682060700.md
index 32613ee..832abe9 100644
--- a/brainsteam/content/notes/2023/04/21/1682060700.md
+++ b/brainsteam/content/notes/2023/04/21/1682060700.md
@@ -4,6 +4,7 @@ mp-syndicate-to:
 - https://brid.gy/publish/mastodon
 photo:
 - /media/2023/04/21/1682060700_0.jpg
+thumbnail: /media/2023/04/21/1682060700_0.jpg
 post_meta:
 - date
 tags: