1、后端可以在登录阶段添加 AccountController.cs 类 login方法 ``` ///项目名加入cookie Response.Cookies.Add( new HttpCookie("ProjectName", ConfigurationManager.AppSettings["ProjectName"]) { Expires = Clock.Now.AddYears(2), Path = Request.ApplicationPath } ); ```  2、js 前端添加 ``` vm.projectName=Cookies.get("ProjectName"); ```