diff --git a/_members/guanting-dong.md b/_members/guanting-dong.md
index 68510fe..c0de43d 100644
--- a/_members/guanting-dong.md
+++ b/_members/guanting-dong.md
@@ -1,6 +1,6 @@
 ---
 name: Guanting Dong
-image: images/guanting-dong.jpg
+image: images/guanting-dong.png
 role: doc
 links:
   home-page: https://dongguanting.github.io/
diff --git a/_members/xinyu-yang.md b/_members/xinyu-yang.md
index 994c88a..8a45d7b 100644
--- a/_members/xinyu-yang.md
+++ b/_members/xinyu-yang.md
@@ -7,4 +7,4 @@ links:
   github: yxy-919
 ---
 
-Xinyu Yang is currently a PhD student at the Gaoling School of Artificial Intelligence, Renmin University of China, under the guidance of Prof. Zhicheng Dou. Her research interests include Retrieval Augmented Generation, Legal Judgment Prediction.
+Xinyu Yang is currently a PhD student at the Gaoling School of Artificial Intelligence, Renmin University of China, under the guidance of Prof. Zhicheng Dou. Her research interests include Retrieval Augmented Generation, Legal Judgment Prediction.
\ No newline at end of file
diff --git a/_members/yuyao-zhang.md b/_members/yuyao-zhang.md
index c314d17..b70b270 100644
--- a/_members/yuyao-zhang.md
+++ b/_members/yuyao-zhang.md
@@ -1,6 +1,6 @@
 ---
 name: Yuyao Zhang
-image: images/yuyao-zhang.jpg
+image: images/yuyao-zhang.png
 role: doc
 links:
   google-scholar: W-evmnMAAAAJ&hl