diff --git a/IRaCIS.Core.Application/Service/QC/DTO/QCListViewModel.cs b/IRaCIS.Core.Application/Service/QC/DTO/QCListViewModel.cs
index 2102a373..ebed5042 100644
--- a/IRaCIS.Core.Application/Service/QC/DTO/QCListViewModel.cs
+++ b/IRaCIS.Core.Application/Service/QC/DTO/QCListViewModel.cs
@@ -21,7 +21,7 @@ namespace IRaCIS.Core.Application.Contracts
         public string SubjectInfo { get; set; } = string.Empty;
         //public string VisitPlanInfo { get; set; } = string.Empty;
 
-        public string[] VisitPlanArray { get; set; }
+        public string[]? VisitPlanArray { get; set; }
 
     }
 
@@ -39,7 +39,7 @@ namespace IRaCIS.Core.Application.Contracts
 
         public string SubjectInfo { get; set; } = String.Empty;
 
-        public string[] VisitPlanArray { get; set; }
+        public string[]? VisitPlanArray { get; set; }
         //public string VisitPlanInfo { get; set; } = String.Empty;
 
         public Guid? HandleUserId { get; set; }
@@ -151,7 +151,7 @@ namespace IRaCIS.Core.Application.Contracts
         [NotDefault]
         public Guid TrialId { get; set; }
 
-        public string[] VisitPlanArray { get; set; }
+        public string[]? VisitPlanArray { get; set; }
 
         //public string VisitPlanInfo { get; set; } = String.Empty;
         public string SubjectCode { get; set; } = String.Empty;
@@ -252,7 +252,7 @@ namespace IRaCIS.Core.Application.Contracts
         public string SubjectInfo { get; set; } = String.Empty;
 
         //public string VisitPlanInfo { get; set; } = String.Empty;
-        public string[] VisitPlanArray { get; set; }
+        public string[]? VisitPlanArray { get; set; }
 
         //核查状态
         public CheckStateEnum? CheckState { get; set; }
@@ -272,7 +272,7 @@ namespace IRaCIS.Core.Application.Contracts
         public Guid? SiteId { get; set; }
         public string SubjectInfo { get; set; } = String.Empty;
 
-        public string[] VisitPlanArray { get; set; }
+        public string[]? VisitPlanArray { get; set; }
 
         //public string VisitPlanInfo { get; set; } = String.Empty;