thank you bh_WP_fan !
**1. i've tried with another theme and didn't work
**2. i don't know how to edit the DNS
i've tried to edit the DNS for my primary domain that i purchased from wordpress and it shows this error when i clicked validate without saving ..
(We can't save these records because they don't look right to us. Check the errors below. Please contact support if you are unable to resolve the problem.
(1) NS1.BLUEHOST.COM
(2) NS2.BLUEHOST.COM
1. This does not match any of the DNS record formats.
2. This does not match any of the DNS record formats.)
**3. i don't know how to know if my theme has 755 permissions ??