diff --git a/IRaCIS.Core.Domain/Visit/SubjectVisit.cs b/IRaCIS.Core.Domain/Visit/SubjectVisit.cs
index 1073f3b12..d0cd03c75 100644
--- a/IRaCIS.Core.Domain/Visit/SubjectVisit.cs
+++ b/IRaCIS.Core.Domain/Visit/SubjectVisit.cs
@@ -43,6 +43,9 @@ namespace IRaCIS.Core.Domain.Models
 
         public DateTime? EarliestScanDate { get; set; }
 
+        /// <summary>
+        /// 最晚拍片日期
+        /// </summary>
         public DateTime? LatestScanDate { get; set; }
 
         public Guid CreateUserId { get; set; }