diff --git a/img/authors/yinghui_he.JPG b/img/authors/yinghuihe.jpg
similarity index 100%
rename from img/authors/yinghui_he.JPG
rename to img/authors/yinghuihe.jpg
diff --git a/img/authors/yufan_wu.JPG b/img/authors/yufanwu.jpg
similarity index 100%
rename from img/authors/yufan_wu.JPG
rename to img/authors/yufanwu.jpg
diff --git a/index.html b/index.html
index 45dccc2..72d03e0 100644
--- a/index.html
+++ b/index.html
@@ -203,7 +203,7 @@ <h2>Abstract</h2>
               <a href="https://ying-hui-he.github.io/">
                 <div class="author-img-container">
                   <img
-                    src="img/authors/yinghui_he.jpg"
+                    src="img/authors/yinghuihe.jpg"
                     alt="Yinghui He profile picture"
                   />
                 </div>
@@ -214,7 +214,7 @@ <h2>Abstract</h2>
               <a href="https://www.linkedin.com/in/yufan-wu-a27b6b24b/">
                 <div class="author-img-container">
                   <img
-                    src="img/authors/yufan_wu.jpg"
+                    src="img/authors/yufanwu.jpg"
                     alt="Yufan Wu profile picture"
                   />
                 </div>