update

Author: NamCyan

repoexec/index.html

@@ -180,7 +180,7 @@ <h1 class="title is-1 publication-title">RepoExec: Evaluate Code Generation with
 
                 <!-- Leaderboard Link -->
                 <span class="link-block">
-                  <a href="" target="_blank"
+                  <a href="https://repoexec.github.io/" target="_blank"
                   class="external-link button is-normal is-rounded is-dark">
                   <span>🏆 Leaderboard</span>
                 </a>