startup：services.AddAuthentication(CookieAuthenticationDefaults.AuthenticationScheme).AddCookie(options =>{options.LoginPath = new PathString("/Account/Login");options.AccessDeniedPath = new PathString("/Account/AccessDenied");options.Events = new CookieAuthenticationEvents{OnValidatePrincipal = XT_BSP.SSO.Main.Event.LastChangedValidator.ValidateAsync};}); 登陸：HttpContext.SignInAsync(CookieAuthenticationDefaults.AuthenticationScheme, new ClaimsPrincipal(identity)); 用fiddler抓包發(fā)現(xiàn)，用獵豹瀏覽器登陸時(shí)，會(huì)返回cookie，但是頁(yè)面跳轉(zhuǎn)請(qǐng)求時(shí)候的cookie會(huì)丟失。別的瀏覽器正常，IE11也是正常的。就tmd這貨不走尋常路