您应该能够有条件地使菜单短路return通过将此代码添加到主题来删除空字符串functions.php :

add_filter( \'pre_wp_nav_menu\', \'wpse_210095\');
function wpse_210095($menu) {
  if (is_home()) {
   $menu = \'\';
  }
  return $menu;
}

260         $nav_menu = apply_filters( \'pre_wp_nav_menu\', null, $args );
261 
262         if ( null !== $nav_menu ) {
263                 if ( $args->echo ) {
264                         echo $nav_menu;
265                         return;
266                 }
267 
268                 return $nav_menu;
269         }