diff --git a/_layouts/default.html b/_layouts/default.html
index d29ed5d..1535f22 100644
--- a/_layouts/default.html
+++ b/_layouts/default.html
@@ -120,7 +120,7 @@ <h5>
           </div>
           <div class="col-md-5">
             <p style="color:#eee;">For any questions, email us at
-              <a href="mailto:guangyaoli@ruc.edu.cn"> guangyaoli@ruc.edu.cn</a></p>, <a href="mailto:wxhou@ruc.edu.cn"> wxhou@ruc.edu.cn</a></p>.
+              <a href="mailto:guangyaoli@ruc.edu.cn"> guangyaoli@ruc.edu.cn</a>, <a href="mailto:wxhou@ruc.edu.cn"> wxhou@ruc.edu.cn</a></p>.
           </div>
         </div>
       </div>