It has nothing to do with Bogo plugin. The theme you use doesn’t apply proper style to the nav menu. Try switching to another theme.
Solved. in mer registration at function.php i change it to
/* Register Menu */
function register_menu() {
register_nav_menu('en_US_primary-menu', __('Primary Menu EN', 'stag'));
register_nav_menu('id_ID_primary-menu', __('Primary Menu ID', 'stag'));
register_nav_menu('ms_MY_primary-menu', __('Primary Menu MY', 'stag'));
}
add_action('init', 'register_menu');
function add_language_prefix($menu_identifier) {
global $post;
$language_prefix = get_post_meta( $post->ID, '_locale', true );
return $language_prefix . '_' . $menu_identifier;
}
add_filter('language_prefix_menu', 'add_language_prefix');
and in header I add this
<nav id="navigation" role="navigation" class="clearfix">
<?php
if(has_nav_menu('primary-menu')){
wp_nav_menu(array(
'theme_location' => apply_filters( 'language_prefix_menu', 'primary-menu'),
'container' => 'menu-primary-container',
'items_wrap' => '<ul id="primary-menu" class="%2$s">%3$s</ul>',
));
}
?>
good plugin Mr. Takayuki