diff --git a/IRaCIS.Core.Domain/Institution/Site.cs b/IRaCIS.Core.Domain/Institution/Site.cs
index 7bfbbbf7c..29710ebab 100644
--- a/IRaCIS.Core.Domain/Institution/Site.cs
+++ b/IRaCIS.Core.Domain/Institution/Site.cs
@@ -37,8 +37,7 @@ namespace IRaCIS.Core.Domain.Models
         public DateTime CreateTime { get; set; } = DateTime.Now;
         public Guid UpdateUserId { get; set; } = Guid.Empty;
         public DateTime UpdateTime { get; set; } = DateTime.Now;
-        [JsonIgnore]
-        public List<Subject> SubjectList { get; set; }
+
 
         //µ¼º½ÊôÐÔ
         [JsonIgnore]