diff --git a/people/cheonwoomaeng/page.en.md b/people/cheonwoomaeng/page.en.md
index a79f66dd..63e1bfeb 100644
--- a/people/cheonwoomaeng/page.en.md
+++ b/people/cheonwoomaeng/page.en.md
@@ -24,7 +24,7 @@ She has a straw page which is linked on her profile here, Sadly, We've only arch
 On the day of 2024-12-08. Many of her contacts received this message on various social media :
 
 <PhotoScroll photos={[
-    '${path}/photos/photo1.png',
+    '${path}/photos/photo1.webp',
 ]} />
 
 <details>
diff --git a/people/cheonwoomaeng/page.md b/people/cheonwoomaeng/page.md
index 42b1c062..3d598a5a 100644
--- a/people/cheonwoomaeng/page.md
+++ b/people/cheonwoomaeng/page.md
@@ -22,7 +22,7 @@ info:
 2024 年 12 月 8 日，她的众多友人收到了这样的消息：
 
 <PhotoScroll photos={[
-    '${path}/photos/photo1.png',
+    '${path}/photos/photo1.webp',
 ]} />
 
 <details>
diff --git a/people/cheonwoomaeng/page.zh_hant.md b/people/cheonwoomaeng/page.zh_hant.md
index d409868f..85708757 100644
--- a/people/cheonwoomaeng/page.zh_hant.md
+++ b/people/cheonwoomaeng/page.zh_hant.md
@@ -23,7 +23,7 @@ info:
 2024 年 12 月 8 日這一天。她的眾多友人在收到了這樣的訊息：
 
 <PhotoScroll photos={[
-    '${path}/photos/photo1.png',
+    '${path}/photos/photo1.webp',
 ]} />
 
 <details>
diff --git a/people/cheonwoomaeng/photos/photo1.png b/people/cheonwoomaeng/photos/photo1.png
deleted file mode 100644
index f9cb350a..00000000
Binary files a/people/cheonwoomaeng/photos/photo1.png and /dev/null differ
diff --git a/people/cheonwoomaeng/photos/photo1.webp b/people/cheonwoomaeng/photos/photo1.webp
new file mode 100644
index 00000000..1b4ed8fc
Binary files /dev/null and b/people/cheonwoomaeng/photos/photo1.webp differ