问尝试打开作者页时获取404

EN

http://example.com/author/author-1 - OK
http://example.com/author/ - 404 why?

    object(WP_Rewrite)#3250 (24) {
  ["permalink_structure"]=>
  string(36) "/%year%/%monthnum%/%day%/%postname%/"
  ["use_trailing_slashes"]=>
  bool(true)
  ["author_base"]=>
  string(6) "author"
  ["search_base"]=>
  string(6) "search"
  ["comments_base"]=>
  string(8) "comments"
  ["pagination_base"]=>
  string(4) "page"
  ["comments_pagination_base"]=>
  string(12) "comment-page"
  ["feed_base"]=>
  string(4) "feed"
  ["front"]=>
  string(1) "/"
  ["root"]=>
  string(0) ""
  ["index"]=>
  string(9) "index.php"
  ["matches"]=>
  string(0) ""
  ["rules"]=>
  NULL
  ["extra_rules"]=>
  array(0) {
  }