Update index.html

index.html

@@ -258,13 +258,13 @@ of &alpha and &beta. Specifically, when &alpha is fixed, a larger value of &beta
 ASR increase. When &beta is fixed, larger &alpha would both reduce the ASR and the Win Rate.</p>
 <div class="image-container">
 <figure>
-<img src="https://via.placeholder.com/300x200" alt="Image 1">
-<figcaption>Caption for Image 1</figcaption>
+<img src="./asr_heatmap.png" alt="Image 1">
+<figcaption>Attack Success Rate</figcaption>
 </figure>
 
 <figure>
-<img src="https://via.placeholder.com/300x200" alt="Image 2">
-<figcaption>Caption for Image 2</figcaption>
+<img src="./win_rate_heatmap.png" alt="Image 2">
+<figcaption>Win Rate</figcaption>
 </figure>
 </div>