diff --git a/index.html b/index.html
index 419b430..1b07f07 100644
--- a/index.html
+++ b/index.html
@@ -91,7 +91,7 @@ <h4>About BIRD</h4>
                 </a>
               </div>
               <div class="button-row">  
-                <a href="https://github.com/bird-bench/mini_dev" target="_blank">
+                <a href="https://bird-bench.oss-cn-beijing.aliyuncs.com/minidev.zip" target="_blank">
                   <button type="button" class="btn btn-d">Mini-Dev (500)</button> 
                 </a>
               </div>