diff --git a/public/images/weiqi.jpg b/public/images/weiqi.jpg
deleted file mode 100644
index fbedb7d..0000000
Binary files a/public/images/weiqi.jpg and /dev/null differ
diff --git a/public/images/weiqi.png b/public/images/weiqi.png
new file mode 100644
index 0000000..b8560fa
Binary files /dev/null and b/public/images/weiqi.png differ
diff --git a/src/pages/People.tsx b/src/pages/People.tsx
index 8f806d5..226aad2 100644
--- a/src/pages/People.tsx
+++ b/src/pages/People.tsx
@@ -246,10 +246,10 @@ export function People(): ReactElement {
 
           <div className="banner-bottom-left">
             <div className="portrait">
-              <img alt="" src="images/weiqi.jpg" className="portrait-round" />
+              <img alt="" src="images/weiqi.png" className="portrait-round" />
             </div>
             <h3>
-              <a href="https://github.com/williamlus">Weiqi Lu</a>
+              <a href="https://williamlus.github.io/">Weiqi Lu</a>
             </h3>
 
             <p>PhD Student at HKUST</p>