https://wordpress.org/plugins/wp-no-base-permalink/
Function php e ekleyebilirsiniz
`// remove tag base
add_filter(tag_rewrite_rules, no_tag_base_rewrite_rules);
function no_tag_base_rewrite_rules($tag_rewrite) {
$tag_rewrite=array();
$tags=get_tags(array(hide_empty=>false));
foreach($tags as $tag) {
$tag_nicename = $tag->slug;
if ( $tag->parent == $tag->tag_ID )
$tag->parent = 0;
elseif ($tag->parent != 0 )
$tag_nicename = get_tag_parents( $tag->parent, false, /, true ) . $tag_nicename;
$tag_rewrite[(.$tag_nicename.)/(?:feed/)?(feed|rdf|rss|rss2|atom)/?$] = index.php?tag=$matches[1]&feed=$matches[2];
$tag_rewrite[(.$tag_nicename.)/page/?([0-9]{1,})/?$] = index.php?tag=$matches[1]&paged=$matches[2];
$tag_rewrite[(.$tag_nicename.)/?$] = index.php?tag=$matches[1];
}
global $wp_rewrite;
$old_base = $wp_rewrite->get_tag_permastruct();
$old_base = str_replace( %tag%, (.+), $old_base );
$old_base = trim($old_base, /);
$tag_rewrite[$old_base.$] = index.php?tag_redirect=$matches[1];
return $tag_rewrite;
}`