add warning

components/Header/index.js

@@ -27,7 +27,7 @@ export class Header extends React.PureComponent {
           active: curPage === path
         })}
       >
-        <Link prefetch={false} href={{ pathname: '/' + path, query }} passHref="true">
+        <Link prefetch={false} href={{ pathname: '/' + path, query }}>
           <a style={{ height: '100%', display: 'inline-block' }}>
             {en === null ? '' : en ? txtEN : txt}
           </a>