diff --git a/content/pages/knut_2020/index.rst b/content/pages/knut_2020/index.rst
index 8f45cab..8b41609 100644
--- a/content/pages/knut_2020/index.rst
+++ b/content/pages/knut_2020/index.rst
@@ -36,9 +36,9 @@
 | LTE 통신의 시작은 아래를 확인하는 것으로 하면 됨.
 |
 
-.. image:: {attach}mpv-shot0001.png
+.. image:: {attach}mpv-shot0001.jpg
 
-.. image:: {attach}mpv-shot0002.png
+.. image:: {attach}mpv-shot0002.jpg
 
 
 |