diff --git a/index.html b/index.html
index 099cf89..243e4be 100644
--- a/index.html
+++ b/index.html
@@ -319,6 +319,9 @@ else { setTheme('light'); }
 document.getElementById('drawerThemeBtn').addEventListener('click', function() {
   setTheme(htmlEl.getAttribute('data-theme') === 'dark' ? 'light' : 'dark');
 });
+document.getElementById('themeBtn').addEventListener('click', function() {
+  setTheme(htmlEl.getAttribute('data-theme') === 'dark' ? 'light' : 'dark');
+});
 
 const wikiData = [
   { dir: "身份认证与安全", icon: "🔐", desc: "统一身份认证、IAM 选型、零信任安全", color: "pink",