根目录wp-comments-post.php

将下面这段代码删除或注释掉

if ( get_option('require_name_email') && !$user->ID ) {
if ( 6 > strlen($comment_author_email) || '' == $comment_author )
wp_die( __('Error: please fill the required fields (name, email).') );
elseif ( !is_email($comment_author_email))
wp_die( __('Error: please enter a valid email address.') );
}