wordpress更换网站faviation

function custom_favicon() {
    echo '<link rel="icon" href="' . get_bloginfo('url') . '/path/to/your/favicon.ico" type="image/x-icon">';
    echo '<link rel="shortcut icon" href="' . get_bloginfo('url') . '/path/to/your/favicon.ico" type="image/x-icon">';
}
add_action('wp_head', 'custom_favicon');