keep me at login page

When open my store link, the initial page is login page, (login.aspx), it wouldn't leave this page and goes to the page I wanted, does mate which button or link I click, it always stay in Login Page, nothing happens.
Any body know this issue?

possible you need to log in as to admin -->configuration -->global settings -->other

and un-tick checkbox for:

Allow navigation only for registered customers:

Thanks, you are right!