diff --git a/docs/conf.py b/docs/conf.py
index 0a21911..e0c88e2 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -173,7 +173,7 @@
 extra_navbar = """<div>
 版权所有 © 2021 <a href="https://xinetzone.github.io/">xinetzone</a></div>
 <div>由 <a href="https://ebp.jupyterbook.org/">EBP</a> 提供技术支持</div>
-<div>语言切换<a href="/">中</a>/<a href="/en">英</a></div>
+<div>语言切换<a href="/sphinx-demo/">中</a>/<a href="/sphinx-demo/en">英</a></div>
 """
 
 html_theme_options = {