rel="canonical" 与抓取无关.它与索引有关，并防止同一页面被索引两次或更多次.

rel="canonical" has nothing to do with crawling. It has to do with indexing and prevents the same page from indexing twice or more.

无论如何，如果您仍然想这样做，您可以通过将此代码添加到您的functions.php中来实现:

Anyway, if you still want to do this you can do it by adding this code to your functions.php:

add_filter( 'wpseo_canonical', '__return_false' );

来源:https://yoast.com/wordpress/plugins/seo/api/