[Theme] could not establish a secure connection to ww.wp.xz.cn

when i go to add new themes it says “An unexpected error occurred. Something may be wrong with ww.wp.xz.cn or this server’s configuration. (WordPress could not establish a secure connection to ww.wp.xz.cn. Please contact your server administrator.) in C:\wamp\www\cj\wp-admin\includes\theme.php on line 458”