添加中心调研链接过期时间

IRaCIS.Core.Domain/Trial/Trial.cs

@@ -333,6 +333,11 @@ public partial class Trial : BaseFullDeleteAuditEntity
     /// </summary>
     public bool IsOpenLostVistRead { get; set; } = true;
 
+    /// <summary>
+    /// 中心调研链接过期时间
+    /// </summary>
+    public DateTime? LinkExpirationTime { get; set; }
+
 }
 
 public enum TrialDataStore