diff --git a/Falcon.SugarApi/DatabaseDefinitions/SugarBasicTable.cs b/Falcon.SugarApi/DatabaseDefinitions/SugarBasicTable.cs
index 56e8330..306d456 100644
--- a/Falcon.SugarApi/DatabaseDefinitions/SugarBasicTable.cs
+++ b/Falcon.SugarApi/DatabaseDefinitions/SugarBasicTable.cs
@@ -5,9 +5,9 @@ using System.ComponentModel.DataAnnotations;
 namespace Falcon.SugarApi.DatabaseDefinitions
 {
     /// <summary>
-    /// 基础表，定义表基础数据结构和构造方法
+    /// 基础表.只定义表基础主键和创建时间
     /// </summary>
-    public abstract class SugarBasicTable : ICreateNew
+    public abstract class SugarBasicTable
     {
         /// <summary>
         /// 主键
@@ -21,11 +21,6 @@ namespace Falcon.SugarApi.DatabaseDefinitions
         [SugarColumn(IsOnlyIgnoreUpdate = true, ColumnDescription = "创建时间")]
         public DateTime CreateTime { get; set; } = DateTime.Now;
 
-        /// <inheritdoc/>
-        public void CreateNew(string createBy) {
-            this.SetNew();
-        }
-
         /// <summary>
         /// 将数据设置为新数据。
         /// <para>主要更新Id、创建时间和记录状态</para>
diff --git a/Falcon.SugarApi/DatabaseDefinitions/SugarDbContext.cs b/Falcon.SugarApi/DatabaseDefinitions/SugarDbContext.cs
index a8f201e..844b77f 100644
--- a/Falcon.SugarApi/DatabaseDefinitions/SugarDbContext.cs
+++ b/Falcon.SugarApi/DatabaseDefinitions/SugarDbContext.cs
@@ -4,7 +4,6 @@ using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
-using System.Threading.Tasks;
 
 namespace Falcon.SugarApi.DatabaseDefinitions
 {
diff --git a/Falcon.SugarApi/DatabaseDefinitions/SugarTableBase.cs b/Falcon.SugarApi/DatabaseDefinitions/SugarTableBase.cs
index 49b9ad8..d7749aa 100644
--- a/Falcon.SugarApi/DatabaseDefinitions/SugarTableBase.cs
+++ b/Falcon.SugarApi/DatabaseDefinitions/SugarTableBase.cs
@@ -5,25 +5,16 @@ using System.Reflection;
 namespace Falcon.SugarApi.DatabaseDefinitions
 {
     /// <summary>
-    /// 表基类。一般表应该继承此类
+    /// 负载表基类。一般表应该继承此类，包括SugarBasicTable定义，和修改人，行状态,以及一些相关方法等
     /// </summary>
-    public abstract class SugarTableBase : ICreateNew, IModify, IDelete
+    public abstract class SugarTableBase :SugarBasicTable, ICreateNew, IModify, IDelete
     {
-        /// <summary>
-        /// 主键
-        /// </summary>
-        [SugarColumn(IsPrimaryKey = true, ColumnDescription = "主键")]
-        public Guid Id { get; set; } = Guid.NewGuid();
         /// <summary>
         /// 创建人
         /// </summary>
         [SugarColumn(IsOnlyIgnoreUpdate = true, IsNullable = true, ColumnDescription = "首次创建人")]
         public string? CreateBy { get; set; }
-        /// <summary>
-        /// 创建时间
-        /// </summary>
-        [SugarColumn(IsOnlyIgnoreUpdate = true, IsNullable = true, ColumnDescription = "首次创建时间")]
-        public DateTime? CreateTime { get; set; } = DateTime.Now;
+
         /// <summary>
         /// 更新人
         /// </summary>
@@ -45,9 +36,8 @@ namespace Falcon.SugarApi.DatabaseDefinitions
         /// </summary>
         /// <param name="createBy">创建人</param>
         public virtual void CreateNew(string createBy) {
-            this.Id = Guid.NewGuid();
+            base.SetNew();
             this.CreateBy = createBy;
-            this.CreateTime = DateTime.Now;
             this.UpdateBy = this.CreateBy;
             this.UpdateTime = this.CreateTime;
             this.Status = RecordStetus.Effective;