FormsAuthentication.SetAuthCookie(username, true);
HttpCookie lcookie = e.Page.Response.Cookies[FormsAuthentication.FormsCookieName];
lcookie.Expires = DateTime.Now.AddYears(1);第二天再进入时又得重新登录COOKIE已经丢了,COOKIE过期时间明明设的1年,请问该怎么解决?