javascript - AngularJS $cookies are not persisting after refresh -

i trying set cookie using $cookies when user logged in.here trying .

authservice.login($params).then(function (user) {     $cookies.put('token', user.access_token,{'expires': expiredate});     $rootscope.access_token = $cookies.get('token') ; } 

everything works except cookie getting set not persisting after page refresh.

i have set expiry date of 1 day too.

why cookie not getting stored other websites ?

am using firefox developer edition ,so no problem there, running application on local server.