diff --git a/IRaCIS.Core.Application/Service/QC/DTO/QCListViewModel.cs b/IRaCIS.Core.Application/Service/QC/DTO/QCListViewModel.cs
index e1e0d223b..3680d34fd 100644
--- a/IRaCIS.Core.Application/Service/QC/DTO/QCListViewModel.cs
+++ b/IRaCIS.Core.Application/Service/QC/DTO/QCListViewModel.cs
@@ -205,7 +205,7 @@ namespace IRaCIS.Core.Application.Contracts
 
         public DateTime? ClosedTime { get; set; }
 
-        public string PreliminaryAuditUserName { get; set; }
+        public string PreliminaryAuditUserName { get; set; } = String.Empty;
 
         //public string ClosedUserUserName { get; set; } = String.Empty;
 
diff --git a/IRaCIS.Core.Application/Service/QC/_MapConfig.cs b/IRaCIS.Core.Application/Service/QC/_MapConfig.cs
index 6e37f70da..4020954e4 100644
--- a/IRaCIS.Core.Application/Service/QC/_MapConfig.cs
+++ b/IRaCIS.Core.Application/Service/QC/_MapConfig.cs
@@ -213,7 +213,7 @@ namespace IRaCIS.Core.Application.Service
               .ForMember(d => d.BlindName, u => u.MapFrom(s => s.SubjectVisit.BlindName))
               //.ForMember(d => d.ClosedUserUserName, u => u.MapFrom(s => s.ClosedUser.UserName))
               .ForMember(d => d.IsQCConfirmedReupload, u => u.MapFrom(s => s.SubjectVisit.IsQCConfirmedReupload))
-              .ForMember(d => d.CreateUserName, u => u.MapFrom(s => s.Creator.UserName))
+              .ForMember(d => d.CreateUserName, u => u.MapFrom(s => s.CreateUser.UserName))
               .ForMember(d => d.LatestReplyUserName, u => u.MapFrom(t => t.LatestReplyUser.UserName))
               .ForMember(d => d.ChallengeCode, u => u.MapFrom(s => "Q" + s.ChallengeCode.ToString("D5"))); //排序的时候有坑 把这个带到sql 中去了
                                                                                                            //.AfterMap((src, dest) => dest.ChallengeCode = "Q" + src.ChallengeCode.ToString("D5"));//实测没有效果
diff --git a/IRaCIS.Core.Domain/QC/QCChallenge.cs b/IRaCIS.Core.Domain/QC/QCChallenge.cs
index 932bf7225..5db073a84 100644
--- a/IRaCIS.Core.Domain/QC/QCChallenge.cs
+++ b/IRaCIS.Core.Domain/QC/QCChallenge.cs
@@ -8,10 +8,10 @@ namespace IRaCIS.Core.Domain.Models
     public class QCChallenge : Entity, IAuditAdd
     {
         [ForeignKey("CreateUserId")]
-        public User Creator { get; set; }
+      
+        public User CreateUser { get; set; }
+
 
-        //[ForeignKey("CreateUserId")]
-        //public User Replyer { get; set; }
 
         public Guid TrialId { get; set; }
         public Guid SubjectVisitId { get; set; }
@@ -20,8 +20,6 @@ namespace IRaCIS.Core.Domain.Models
 
         public string Note { get; set; } = string.Empty;
 
-        //public bool NeedReUpload { get; set; } = false;
-        //public bool IsReuploaded { get; set; } = false;
 
 
         public QCChanllengeReuploadEnum ReuploadEnum { get; set; }
@@ -30,7 +28,6 @@ namespace IRaCIS.Core.Domain.Models
         public DateTime CreateTime { get; set; } = DateTime.Now;
         public Guid CreateUserId { get; set; } = Guid.Empty;
 
-        public User CreateUser { get; set; } 
         public DateTime? ReUploadedTime { get; set; }
 
         public string ReUploader { get; set; } = string.Empty;