How to didsable Yoast sitemap redirect

I had common out Yoast XML sitemap part in both wpcommon.conf and wpcommon-php7.conf (although I just use php7 version), and I restarted the nginx service, but the sitemap.xml still redirect to sitemap_index.xml.

Is there anything I missed? Thanks

Thanks, I belive it’s cache problem. It will not redirect in another computer.

Because the /blog appears duplicate?

On my site also it appears so.