[Resolved] Change logo when scroll

i try with this but dont working.

if ( ! function_exists( 'polestar_child_sticky_logo' ) ) :
function polestar_child_sticky_logo( $html ) {
 
    $html = preg_replace( '/<img(.*?)\/>/', '<img src="https://puro-4401.kxcdn.com/wp-content/uploads/2016/10/puro-logo-100.png" alt="puro logo" /><img src="https://puro-4401.kxcdn.com/wp-content/uploads/2016/06/puro-logo-1.png" alt="puro logo" />', $html );
 
    return $html;
}
endif;
add_filter( 'get_custom_logo', 'polestar_child_sticky_logo' );