public ActionResult PageData(int page = 1, int size = 10, string kw = "")
        {
            UserInfoOutputDto user = Session.GetByRedis <UserInfoOutputDto>(SessionKey.UserInfo) ?? new UserInfoOutputDto();
            List <Issue>      list = string.IsNullOrEmpty(kw) ? IssueBll.LoadPageEntitiesNoTracking(page, size, out int total, i => i.Level != BugLevel.Fatal || user.IsAdmin, i => i.SubmitTime, false).ToList() : IssueBll.LoadPageEntitiesNoTracking(page, size, out total, i => (i.Level != BugLevel.Fatal || user.IsAdmin) && (i.Description.Contains(kw) || i.Title.Contains(kw) || i.Name.Contains(kw) || i.Email.Contains(kw) || i.Link.Contains(kw)), i => i.SubmitTime, false).ToList();
            var pageCount          = Math.Ceiling(total * 1.0 / size).ToInt32();

            return(PageResult(list.Select(i => new
            {
                i.Id,
                i.Name,
                i.Email,
                i.Title,
                i.Link,
                i.Description,
                i.SubmitTime,
                i.HandleTime,
                Status = i.Status.GetDisplay(),
                Level = i.Level.GetDisplay()
            }), pageCount, total));
        }