diff --git a/site/theme/template/Layout/index.jsx b/site/theme/template/Layout/index.jsx
index bee092a2b8..5f5b2f9c6c 100644
--- a/site/theme/template/Layout/index.jsx
+++ b/site/theme/template/Layout/index.jsx
@@ -122,9 +122,13 @@ export default class Layout extends React.Component {
   }
 
   setTheme = theme => {
+    const componentPage = /^\/?components/.test(this.props.location.pathname);
     if (typeof window === 'undefined') {
       return;
     }
+    if (!componentPage) {
+      return 'default';
+    }
     if (theme !== 'dark') {
       const dom = document.getElementById('theme-style');
       if (dom) {