diff --git a/people/yulianNyanner/page.en.md b/people/yulianNyanner/page.en.md
index 4e486845..df28f670 100644
--- a/people/yulianNyanner/page.en.md
+++ b/people/yulianNyanner/page.en.md
@@ -146,8 +146,8 @@ Let’s go to the beach together, watch the seagulls, and listen to music by The
 If only we could grab surfboards and go surfing, that’d be great.
 
 <PhotoScroll photos={[
-    '${path}/photos/photo1.jpg',
-    '${path}/photos/photo2.jpg',
+    '${path}/photos/photo1.webp',
+    '${path}/photos/photo2.webp',
 ]} />
 
 The piano upstairs sounds so beautiful — usually, I’d find it annoying.
@@ -175,7 +175,7 @@ If that’s the case...
 >
 > Just like *Angel Beats*, let’s rally together and resist this unjust world after death.
 >
-> <PhotoScroll photos={["${path}/photos/photo3.png"]} />
+> <PhotoScroll photos={["${path}/photos/photo3.webp"]} />
 
 <!-- (Switching back to objective narration here.) -->
 
diff --git a/people/yulianNyanner/page.md b/people/yulianNyanner/page.md
index 23253d9d..cb5757be 100644
--- a/people/yulianNyanner/page.md
+++ b/people/yulianNyanner/page.md
@@ -150,8 +150,8 @@ info:
 如果可以带着冲浪板去冲浪就好了呢。
 
 <PhotoScroll photos={[
-    '${path}/photos/photo1.jpg',
-    '${path}/photos/photo2.jpg',
+    '${path}/photos/photo1.webp',
+    '${path}/photos/photo2.webp',
 ]} />
 
 楼上的钢琴弹得真好听，平时只觉得吵闹。
@@ -180,7 +180,7 @@ info:
 > 
 > 就像 Angel Beats 那样，我们一起在死后反抗这个不公的世界。
 > 
-> <PhotoScroll photos={["${path}/photos/photo3.png"]} />
+> <PhotoScroll photos={["${path}/photos/photo3.webp"]} />
 
 <!-- (此处从第一人称转客观叙述) -->
 
diff --git a/people/yulianNyanner/page.zh_hant.md b/people/yulianNyanner/page.zh_hant.md
index 755e7d0d..ec3c5b04 100644
--- a/people/yulianNyanner/page.zh_hant.md
+++ b/people/yulianNyanner/page.zh_hant.md
@@ -157,8 +157,8 @@ Why don't I just lay it all out to the stars -->
 如果可以帶著衝浪板去沖浪就好了呢。
 
 <PhotoScroll photos={[
- '${path}/photos/photo1.jpg',
- '${path}/photos/photo2.jpg',
+ '${path}/photos/photo1.webp',
+ '${path}/photos/photo2.webp',
 ]} />
 
 樓上的鋼琴彈得真好聽，平時只覺得吵鬧。
@@ -187,7 +187,7 @@ Why don't I just lay it all out to the stars -->
 >
 > 就像 Angel Beats 那樣，我們一起在死後反抗這個不公的世界。
 >
-> <PhotoScroll photos={["${path}/photos/photo3.png"]} />
+> <PhotoScroll photos={["${path}/photos/photo3.webp"]} />
 
 <!-- (此處從第一人稱轉客觀敘述) -->
 
diff --git a/people/yulianNyanner/photos/image0.png b/people/yulianNyanner/photos/image0.png
deleted file mode 100644
index 828b0ed8..00000000
Binary files a/people/yulianNyanner/photos/image0.png and /dev/null differ
diff --git a/people/yulianNyanner/photos/photo1.jpg b/people/yulianNyanner/photos/photo1.jpg
deleted file mode 100644
index 5ec5304d..00000000
Binary files a/people/yulianNyanner/photos/photo1.jpg and /dev/null differ
diff --git a/people/yulianNyanner/photos/photo1.webp b/people/yulianNyanner/photos/photo1.webp
new file mode 100644
index 00000000..7fb3e5b9
Binary files /dev/null and b/people/yulianNyanner/photos/photo1.webp differ
diff --git a/people/yulianNyanner/photos/photo2.jpg b/people/yulianNyanner/photos/photo2.jpg
deleted file mode 100644
index 7bc07e81..00000000
Binary files a/people/yulianNyanner/photos/photo2.jpg and /dev/null differ
diff --git a/people/yulianNyanner/photos/photo2.webp b/people/yulianNyanner/photos/photo2.webp
new file mode 100644
index 00000000..7926a952
Binary files /dev/null and b/people/yulianNyanner/photos/photo2.webp differ
diff --git a/people/yulianNyanner/photos/photo3.png b/people/yulianNyanner/photos/photo3.png
deleted file mode 100644
index 828b0ed8..00000000
Binary files a/people/yulianNyanner/photos/photo3.png and /dev/null differ
diff --git a/people/yulianNyanner/photos/photo3.webp b/people/yulianNyanner/photos/photo3.webp
new file mode 100644
index 00000000..34d96f53
Binary files /dev/null and b/people/yulianNyanner/photos/photo3.webp differ