And i add to WP Suber Cache this code
(main.)?sitemap(_index)?\.x[ms]l(\.gz)?
sitemap(_index)?\.xml(\.gz)?
[a-z0-9_\-]+-sitemap([0-9]+)?\.xml(\.gz)?
And i add to my .htaccess this code
# END WPSuperCache
# WordPress SEO – XML Sitemap Rewrite Fix
RewriteEngine On
RewriteBase /
RewriteRule ^sitemap_index.xml$ /index.php?sitemap=1 [L]
RewriteRule ^([^/]+?)-sitemap([0-9]+)?.xml$ /index.php?sitemap=$1&sitemap_n=$2 [L]
RewriteRule ^([a-z]+)?-?sitemap.xsl$ /index.php?xsl=$1 [L]
# END WordPress SEO – XML Sitemap Rewrite Fix
The problem still continues…