diff --git a/site/theme/template/Layout/Footer.jsx b/site/theme/template/Layout/Footer.jsx
index c8e669617c..46e792d324 100644
--- a/site/theme/template/Layout/Footer.jsx
+++ b/site/theme/template/Layout/Footer.jsx
@@ -1,7 +1,7 @@
 import React from 'react';
 import { FormattedMessage, injectIntl } from 'react-intl';
 import { Modal, message, Row, Col } from 'antd';
-import { isLocalStorageNameSupported, loadScript, getLocalizedPathname, isZhCN } from '../utils';
+import { isLocalStorageNameSupported, loadScript } from '../utils';
 import ColorPicker from '../Color/ColorPicker';
 
 class Footer extends React.Component {
@@ -82,21 +82,6 @@ class Footer extends React.Component {
     });
   }
 
-  handleLangChange = () => {
-    const { pathname } = this.props.location;
-    const currentProtocol = `${window.location.protocol}//`;
-    const currentHref = window.location.href.substr(currentProtocol.length);
-
-    if (isLocalStorageNameSupported()) {
-      localStorage.setItem('locale', isZhCN(pathname) ? 'en-US' : 'zh-CN');
-    }
-
-    window.location.href = currentProtocol + currentHref.replace(
-      window.location.pathname,
-      getLocalizedPathname(pathname, !isZhCN(pathname)),
-    );
-  }
-
   render() {
     return (
       <footer id="footer" className="dark">
diff --git a/site/theme/template/Layout/Header.jsx b/site/theme/template/Layout/Header.jsx
index c58531705a..3c5727c42b 100644
--- a/site/theme/template/Layout/Header.jsx
+++ b/site/theme/template/Layout/Header.jsx
@@ -96,6 +96,21 @@ export default class Header extends React.Component {
       .replace(currentPathname, utils.getLocalizedPathname(currentPathname));
   }
 
+  handleLangChange = () => {
+    const { pathname } = this.props.location;
+    const currentProtocol = `${window.location.protocol}//`;
+    const currentHref = window.location.href.substr(currentProtocol.length);
+
+    if (utils.isLocalStorageNameSupported()) {
+      localStorage.setItem('locale', utils.isZhCN(pathname) ? 'en-US' : 'zh-CN');
+    }
+
+    window.location.href = currentProtocol + currentHref.replace(
+      window.location.pathname,
+      utils.getLocalizedPathname(pathname, !utils.isZhCN(pathname)),
+    );
+  }
+
   render() {
     const { inputValue, menuMode, menuVisible } = this.state;
     const {