diff --git a/IRaCIS.Core.Domain/Allocation/VisitTask.cs b/IRaCIS.Core.Domain/Allocation/VisitTask.cs
index 2447b8a48..7cec11e20 100644
--- a/IRaCIS.Core.Domain/Allocation/VisitTask.cs
+++ b/IRaCIS.Core.Domain/Allocation/VisitTask.cs
@@ -152,6 +152,11 @@ namespace IRaCIS.Core.Domain.Models
 
         //随访任务号   取访视的号  计划外是 访视+0.1   裁判任务在访视任务上+0.002   全局任务在截止访视号上+0.03   肿瘤待定   
         public decimal VisitTaskNum { get; set; }
+
+        /// <summary>
+        /// 是否和原数据有差异
+        /// </summary>
+        public bool? IsDifferenceToOriginalData { get; set; }
     }
 
 }