diff --git a/nav/index.html b/nav/index.html
index f464be6..4b1e67f 100644
--- a/nav/index.html
+++ b/nav/index.html
@@ -1012,7 +1012,7 @@
                                     </a>
                                 </li>
                                 <li>
-                                    <a href="http://yysub.cc/">
+                                    <a href="https://www.yysub.cc/">
                                         <img src="./img/zimuzu.png" />
                                         <span>字幕组</span>
                                     </a>