diff --git a/src/index.html b/src/index.html
index 7ca0744..5297a05 100644
--- a/src/index.html
+++ b/src/index.html
@@ -163,7 +163,7 @@
                     </li>
                     <li class="divider"></li>
                     <li>
-                        <a class="toolbar" title="{{'Help' | translate}}" href="http://github.com/mayswind/AriaNg" target="_blank">
+                        <a class="toolbar" title="{{'Help' | translate}}" href="https://github.com/mayswind/AriaNg" target="_blank">
                             <i class="fa fa-question-circle-o"></i>
                         </a>
                     </li>