diff --git a/IRaCIS.Core.Application/Service/Reading/Dto/ReadingImageTaskViewModel.cs b/IRaCIS.Core.Application/Service/Reading/Dto/ReadingImageTaskViewModel.cs
index 10ea638d4..f0c8846eb 100644
--- a/IRaCIS.Core.Application/Service/Reading/Dto/ReadingImageTaskViewModel.cs
+++ b/IRaCIS.Core.Application/Service/Reading/Dto/ReadingImageTaskViewModel.cs
@@ -1920,21 +1920,21 @@ namespace IRaCIS.Core.Application.Service.Reading.Dto
 
         public int? NumberOfFrames { get; set; }
 
-        public string FromMark { get; set; } = string.Empty;
+        public string? FromMark { get; set; }
 
-        public string ReportMark { get; set; } = string.Empty;
+        public string? ReportMark { get; set; } 
 
         /// <summary>
         /// 标记工具
         /// </summary>
-        public string MarkTool { get; set; } = string.Empty;
+        public string? MarkTool { get; set; } 
 
-		public decimal RowIndex { get; set; }
+		public decimal? RowIndex { get; set; }
 
         /// <summary>
         /// 截图地址
         /// </summary>
-        public string PicturePath { get; set; } = string.Empty;
+        public string? PicturePath { get; set; }
 
         /// <summary>
 		/// 任务Id
@@ -1946,7 +1946,7 @@ namespace IRaCIS.Core.Application.Service.Reading.Dto
         /// </summary>
         public Guid TrialId { get; set; }
 
-        public string MeasureData { get; set; } = string.Empty;
+        public string? MeasureData { get; set; }
 
         public string?  OtherMeasureData { get; set; } = string.Empty;
 
@@ -1966,7 +1966,7 @@ namespace IRaCIS.Core.Application.Service.Reading.Dto
             }
         }
 
-        public bool IsCanEditPosition { get; set; } = false;
+        public bool? IsCanEditPosition { get; set; } = false;
 
         public decimal FristAddTaskNum { get; set; } = 0;
 
@@ -1974,7 +1974,7 @@ namespace IRaCIS.Core.Application.Service.Reading.Dto
 
         public decimal? WL { get; set; }
 
-        public string BlindName { get; set; } = string.Empty;
+        public string? BlindName { get; set; } = string.Empty;
 
         public bool IsDicomReading { get; set; } = true;