diff --git a/docusaurus.config.js b/docusaurus.config.js
index e1140b9..141d947 100644
--- a/docusaurus.config.js
+++ b/docusaurus.config.js
@@ -62,7 +62,7 @@ const config = {
     ],
   ],
   i18n: {
-    defaultLocale: 'zh-CN',
+    defaultLocale: 'zh',
     locales: ['en', 'zh-CN'],
   },
   themeConfig:
diff --git a/src/pages/index.js b/src/pages/index.js
index 0cb1509..0ad3067 100644
--- a/src/pages/index.js
+++ b/src/pages/index.js
@@ -30,7 +30,7 @@ function HomepageHeader() {
       arrows: false,
       };
   const { i18n } = useDocusaurusContext();
-  const isEnglish = i18n.currentLocale === 'en';
+  const isEnglish = i18n.currentLocale !== 'zh-CN';
   return (
      <div id='main'>
         <Slider {...settings}>