[audio] in excerpt

i tried to use

add_filter(‘get_the_excerpt’, ‘do_shortcode’);
add_filter( ‘the_excerpt’, ‘shortcode_unautop’);
add_filter('the_excerpt', 'do_shortcode');

in function.php of my theme but it doesn’t work.

https://ww.wp.xz.cn/plugins/sem-fancy-excerpt/