diff --git a/Tiobon.Core.Model/Base/BasePoco.cs b/Tiobon.Core.Model/Base/BasePoco.cs
index db2a43e9..98883f0a 100644
--- a/Tiobon.Core.Model/Base/BasePoco.cs
+++ b/Tiobon.Core.Model/Base/BasePoco.cs
@@ -18,19 +18,19 @@ namespace Tiobon.Core.Model
         /// 序号
         /// </summary>
         [Display(Name = "序号")]
-        public int SortNo { get; set; }
+        public int? SortNo { get; set; } = 0;
 
         /// <summary>
         /// 1:有效,0:未生效
         /// </summary>
         [Display(Name = "1:有效,0:未生效")]
-        public int IsEnable { get; set; }
+        public int? IsEnable { get; set; } = 1;
 
         /// <summary>
         /// 是否默认
         /// </summary>
         [Display(Name = "是否默认")]
-        public int IsDefault { get; set; }
+        public int? IsDefault { get; set; } = 0;
 
         /// <summary>
         /// 操作日志ID
@@ -42,13 +42,13 @@ namespace Tiobon.Core.Model
         /// 创建人
         /// </summary>
         [Display(Name = "创建人")]
-        public int CreateBy { get; set; }
+        public int? CreateBy { get; set; }
 
         /// <summary>
         /// 创建时间
         /// </summary>
         [Display(Name = "创建时间")]
-        public DateTime CreateTime { get; set; }
+        public DateTime? CreateTime { get; set; }
 
         /// <summary>
         /// 创建程序