raails logged_in？方法不更改导航栏

I have a navigation bar that is displaying a different set of links based off if the user is signed in or not. I have setup a logged_in? method within a conditional statement in order to accomplish this. The problem is after I click the log in button and successfully sign in. The system doesn't alter the navigation bar as expected. I have to refresh the page or click another link in order to get it to register. I have a navigation bar that is displaying a di