diff --git a/IRaCIS.Core.Domain/Trial/Trial.cs b/IRaCIS.Core.Domain/Trial/Trial.cs
index b24fb0bd1..11237a804 100644
--- a/IRaCIS.Core.Domain/Trial/Trial.cs
+++ b/IRaCIS.Core.Domain/Trial/Trial.cs
@@ -262,8 +262,7 @@ public partial class Trial : BaseFullDeleteAuditEntity
 
     [Comment("项目术语配置Json字符串")]
     [StringLength(2000)]
-    public List<TrialObjectNameConfig> TrialObjectNameList { get; set; } = new List<TrialObjectNameConfig>();
-
+    public List<TrialObjectNameConfig> TrialObjectNameList { get; set; }
     //[NotMapped]
     //public List<TrialObjectNameConfig> TrialObjectNameList => JsonConvert.DeserializeObject<List<TrialObjectNameConfig>>(TrialObjectNameConfigStr) ?? new List<TrialObjectNameConfig>();
 }