diff --git a/Falcon.SugarApi/DatabaseDefinitions/SugarBasicTable.cs b/Falcon.SugarApi/DatabaseDefinitions/SugarBasicTable.cs
index 545da03..56e8330 100644
--- a/Falcon.SugarApi/DatabaseDefinitions/SugarBasicTable.cs
+++ b/Falcon.SugarApi/DatabaseDefinitions/SugarBasicTable.cs
@@ -1,5 +1,6 @@
 using SqlSugar;
 using System;
+using System.ComponentModel.DataAnnotations;
 
 namespace Falcon.SugarApi.DatabaseDefinitions
 {
@@ -16,7 +17,8 @@ namespace Falcon.SugarApi.DatabaseDefinitions
         /// <summary>
         /// 创建时间
         /// </summary>
-        [SugarColumn(IsOnlyIgnoreUpdate = true, IsNullable = false, ColumnDescription = "创建时间")]
+        [Required]
+        [SugarColumn(IsOnlyIgnoreUpdate = true, ColumnDescription = "创建时间")]
         public DateTime CreateTime { get; set; } = DateTime.Now;
 
         /// <inheritdoc/>