diff --git a/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/Default/Curd/OdbcSelectTest.cs b/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/Default/Curd/OdbcSelectTest.cs
index a5d26f8c..348a17d7 100644
--- a/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/Default/Curd/OdbcSelectTest.cs
+++ b/FreeSql.Tests/FreeSql.Tests.Provider.Odbc/Default/Curd/OdbcSelectTest.cs
@@ -849,7 +849,7 @@ FROM [tb_topic22] a", subquery);
             });
             Assert.Equal(@"SELECT a.[Id] as1, a.[Clicks] as2, a.[TypeGuid] as3, a.[Title] as4, a.[CreateTime] as5, isnull((SELECT min(b.[Id]) 
     FROM [tb_topic22] b), 0) as6, isnull((SELECT min(b.[CreateTime]) 
-    FROM [tb_topic22] b), '1970-01-01 00:00:00.000') as7 
+    FROM [tb_topic22] b), '1970-01-01 00:00:00') as7 
 FROM [tb_topic22] a", subquery);
             var subqueryList = select.ToList(a => new
             {
@@ -869,7 +869,7 @@ FROM [tb_topic22] a", subquery);
             });
             Assert.Equal(@"SELECT a.[Id] as1, a.[Clicks] as2, a.[TypeGuid] as3, a.[Title] as4, a.[CreateTime] as5, isnull((SELECT max(b.[Id]) 
     FROM [tb_topic22] b), 0) as6, isnull((SELECT max(b.[CreateTime]) 
-    FROM [tb_topic22] b), '1970-01-01 00:00:00.000') as7 
+    FROM [tb_topic22] b), '1970-01-01 00:00:00') as7 
 FROM [tb_topic22] a", subquery);
             var subqueryList = select.ToList(a => new
             {
diff --git a/FreeSql.Tests/FreeSql.Tests/DataAnnotations/MySqlFluentTest.cs b/FreeSql.Tests/FreeSql.Tests/DataAnnotations/MySqlFluentTest.cs
index bf551099..2940864c 100644
--- a/FreeSql.Tests/FreeSql.Tests/DataAnnotations/MySqlFluentTest.cs
+++ b/FreeSql.Tests/FreeSql.Tests/DataAnnotations/MySqlFluentTest.cs
@@ -1,4 +1,6 @@
-using FreeSql.DataAnnotations;
+using FreeSql.DataAnnotations;
+using FreeSql.Internal;
+using FreeSql.Internal.Model;
 using MySql.Data.MySqlClient;
 using System;
 using System.Linq;
@@ -54,6 +56,37 @@ namespace FreeSql.Tests.DataAnnotations
             };
 
             var tsql1 = g.mysql.Select<ModelAopConfigEntity>().WhereDynamic(1).ToSql();
+
+            using (var fsql = new FreeSql.FreeSqlBuilder()
+                .UseConnectionString(FreeSql.DataType.Sqlite, "Data Source=:memory:")
+                .UseAutoSyncStructure(true)
+                .UseMappingPriority(MappingPriorityType.Attribute, MappingPriorityType.Aop, MappingPriorityType.FluentApi)
+                .Build())
+            {
+                ColumnInfo localFunc1() => fsql.CodeFirst.GetTableByEntity(typeof(ModelAopConfigEntity01)).Columns["CreatedTime"];
+                ColumnInfo localFunc2() => fsql.CodeFirst.GetTableByEntity(typeof(ModelAopConfigEntity02)).Columns["CreatedTime"];
+
+                Assert.Equal(DateTimeKind.Local, localFunc1().Attribute.ServerTime);
+                Assert.Equal(DateTimeKind.Local, localFunc2().Attribute.ServerTime);
+
+                fsql.CodeFirst.ConfigEntity<ModelAopConfigEntityBase>(a => a.Property(b => b.CreatedTime).ServerTime(DateTimeKind.Utc));
+                Assert.Equal(DateTimeKind.Utc, localFunc1().Attribute.ServerTime);
+                Assert.Equal(DateTimeKind.Utc, localFunc2().Attribute.ServerTime);
+
+                fsql.CodeFirst.ConfigEntity<ModelAopConfigEntityBase>(a => a.Property(b => b.CreatedTime).ServerTime(DateTimeKind.Local));
+                Assert.Equal(DateTimeKind.Local, localFunc1().Attribute.ServerTime);
+                Assert.Equal(DateTimeKind.Local, localFunc2().Attribute.ServerTime);
+
+                fsql.CodeFirst.ConfigEntity<ModelAopConfigEntity01>(a => a.Property(b => b.CreatedTime).ServerTime(DateTimeKind.Utc));
+                Assert.Equal(DateTimeKind.Utc, localFunc1().Attribute.ServerTime);
+
+                fsql.CodeFirst.ConfigEntity<ModelAopConfigEntity02>(a => a.Property(b => b.CreatedTime).ServerTime(DateTimeKind.Utc));
+                Assert.Equal(DateTimeKind.Utc, localFunc2().Attribute.ServerTime);
+
+                fsql.CodeFirst.ConfigEntity<ModelAopConfigEntityBase>(a => a.Property(b => b.CreatedTime).ServerTime(DateTimeKind.Local));
+                Assert.Equal(DateTimeKind.Utc, localFunc1().Attribute.ServerTime);
+                Assert.Equal(DateTimeKind.Utc, localFunc2().Attribute.ServerTime);
+            }
         }
         [System.ComponentModel.DataAnnotations.Schema.Table("xxx")]
         class ModelAopConfigEntity
@@ -62,6 +95,17 @@ namespace FreeSql.Tests.DataAnnotations
             [Column(IsPrimary = false)]
             public int pkid { get; set; }
         }
+        class ModelAopConfigEntityBase
+        {
+            [Column(CanUpdate = false, ServerTime = DateTimeKind.Local)]
+            public virtual DateTime CreatedTime { get; set; }
+        }
+        class ModelAopConfigEntity01 : ModelAopConfigEntityBase
+        {
+        }
+        class ModelAopConfigEntity02 : ModelAopConfigEntityBase
+        {
+        }
 
         [Fact]
         public void Fluent()
diff --git a/FreeSql.Tests/FreeSql.Tests/DataAnnotations/SqlServerFluentTest.cs b/FreeSql.Tests/FreeSql.Tests/DataAnnotations/SqlServerFluentTest.cs
index 0ee5d8d8..360c527d 100644
--- a/FreeSql.Tests/FreeSql.Tests/DataAnnotations/SqlServerFluentTest.cs
+++ b/FreeSql.Tests/FreeSql.Tests/DataAnnotations/SqlServerFluentTest.cs
@@ -1,4 +1,4 @@
-using FreeSql.DataAnnotations;
+using FreeSql.DataAnnotations;
 using FreeSql.Tests.DataContext.SqlServer;
 using System;
 using System.Data.SqlClient;
@@ -50,7 +50,7 @@ namespace FreeSql.Tests.DataAnnotations
                 {
                     a.Name("xxdkdkdk1222");
                     a.Property("Id").Name("Id22dd").IsIdentity(true);
-                    a.Property("Name").DbType("varchar(101)").IsNullable(true);
+                    a.Property("Name").Name("Name").DbType("varchar(101)").IsNullable(true);
                 })
 
                 .ConfigEntity<TestFluenttb2>(a =>
diff --git a/FreeSql/DataAnnotations/TableFluent.cs b/FreeSql/DataAnnotations/TableFluent.cs
index 5ae94172..6d2666e1 100644
--- a/FreeSql/DataAnnotations/TableFluent.cs
+++ b/FreeSql/DataAnnotations/TableFluent.cs
@@ -49,7 +49,7 @@ namespace FreeSql.DataAnnotations
         public ColumnFluent Property(string proto)
         {
             if (_properties.TryGetValue(proto, out var tryProto) == false) throw new KeyNotFoundException(CoreStrings.NotFound_PropertyName(proto));
-            var col = _table._columns.GetOrAdd(tryProto.Name, name => new ColumnAttribute { Name = proto });
+            var col = _table._columns.GetOrAdd(tryProto.Name, name => new ColumnAttribute { });
             return new ColumnFluent(col, tryProto, _entityType);
         }
 
@@ -136,7 +136,7 @@ namespace FreeSql.DataAnnotations
         public ColumnFluent Property(string proto)
         {
             if (_properties.TryGetValue(proto, out var tryProto) == false) throw new KeyNotFoundException(CoreStrings.NotFound_PropertyName(proto));
-            var col = _table._columns.GetOrAdd(tryProto.Name, name => new ColumnAttribute { Name = proto });
+            var col = _table._columns.GetOrAdd(tryProto.Name, name => new ColumnAttribute { });
             return new ColumnFluent(col, tryProto, typeof(T));
         }
 
diff --git a/FreeSql/FreeSql.xml b/FreeSql/FreeSql.xml
index 2db205b7..7f90becd 100644
--- a/FreeSql/FreeSql.xml
+++ b/FreeSql/FreeSql.xml
@@ -3724,192 +3724,205 @@
             状态数据，可与 CommandAfter 共享
             </summary>
         </member>
-        <member name="P:FreeSql.Aop.CommandAfterEventArgs.Exception">
-            <summary>
-            发生的错误
-            </summary>
-        </member>
-        <member name="P:FreeSql.Aop.CommandAfterEventArgs.Log">
-            <summary>
-            执行SQL命令，返回的结果
-            </summary>
-        </member>
-        <member name="P:FreeSql.Aop.CommandAfterEventArgs.ElapsedTicks">
-            <summary>
-            耗时（单位：Ticks）
-            </summary>
-        </member>
-        <member name="P:FreeSql.Aop.CommandAfterEventArgs.ElapsedMilliseconds">
-            <summary>
-            耗时（单位：毫秒）
-            </summary>
-        </member>
-        <member name="P:FreeSql.Aop.TraceBeforeEventArgs.Identifier">
-            <summary>
-            标识符，可将 TraceBeforeEventArgs 与 TraceAfterEventArgs 进行匹配
-            </summary>
-        </member>
-        <member name="P:FreeSql.Aop.TraceBeforeEventArgs.States">
-            <summary>
-            状态数据，可与 TraceAfter 共享
-            </summary>
-        </member>
-        <member name="P:FreeSql.Aop.TraceAfterEventArgs.Remark">
-            <summary>
-            备注
-            </summary>
-        </member>
-        <member name="P:FreeSql.Aop.TraceAfterEventArgs.Exception">
-            <summary>
-            发生的错误
-            </summary>
-        </member>
-        <member name="P:FreeSql.Aop.TraceAfterEventArgs.ElapsedTicks">
-            <summary>
-            耗时（单位：Ticks）
-            </summary>
-        </member>
-        <member name="P:FreeSql.Aop.TraceAfterEventArgs.ElapsedMilliseconds">
-            <summary>
-            耗时（单位：毫秒）
-            </summary>
-        </member>
-        <member name="P:FreeSql.ICodeFirst.IsAutoSyncStructure">
-            <summary>
-            【开发环境必备】自动同步实体结构到数据库，程序运行中检查实体表是否存在，然后创建或修改
-            </summary>
-        </member>
-        <member name="P:FreeSql.ICodeFirst.IsSyncStructureToLower">
-            <summary>
-            转小写同步结构，适用 PostgreSQL
-            </summary>
-        </member>
-        <member name="P:FreeSql.ICodeFirst.IsSyncStructureToUpper">
-            <summary>
-            转大写同步结构，适用 Oracle/达梦/人大金仓
-            </summary>
-        </member>
-        <member name="P:FreeSql.ICodeFirst.IsConfigEntityFromDbFirst">
-            <summary>
-            将数据库的主键、自增、索引设置导入，适用 DbFirst 模式，无须在实体类型上设置 [Column(IsPrimary)] 或者 ConfigEntity。此功能目前可用于 mysql/sqlserver/postgresql/oracle。<para></para>
-            本功能会影响 IFreeSql 首次访问的速度。<para></para>
-            若使用 CodeFirst 创建索引后，又直接在数据库上建了索引，若无本功能下一次 CodeFirst 迁移时数据库上创建的索引将被删除
-            </summary>
-        </member>
-        <member name="P:FreeSql.ICodeFirst.IsNoneCommandParameter">
-            <summary>
-            不使用命令参数化执行，针对 Insert/Update
-            </summary>
-        </member>
-        <member name="P:FreeSql.ICodeFirst.IsGenerateCommandParameterWithLambda">
-            <summary>
-            是否生成命令参数化执行，针对 lambda 表达式解析<para></para>
-            注意：常量不会参数化，变量才会做参数化<para></para>
-            var id = 100;
-            fsql.Select&lt;T&gt;().Where(a => a.id == id) 会参数化<para></para>
-            fsql.Select&lt;T&gt;().Where(a => a.id == 100) 不会参数化
-            </summary>
-        </member>
-        <member name="P:FreeSql.ICodeFirst.IsLazyLoading">
-            <summary>
-            延时加载导航属性对象，导航属性需要声明 virtual
-            </summary>
-        </member>
-        <member name="M:FreeSql.ICodeFirst.GetComparisonDDLStatements``1">
-            <summary>
-            将实体类型与数据库对比，返回DDL语句
-            </summary>
-            <typeparam name="TEntity"></typeparam>
+        <member name="P:FreeSql.A
+            <param name="column"></param>
             <returns></returns>
         </member>
-        <member name="M:FreeSql.ICodeFirst.GetComparisonDDLStatements(System.Type[])">
+        <member name="M:FreeSql.IDbFirst.GetCsType(FreeSql.DatabaseModel.DbColumnInfo)">
             <summary>
-            将实体类型集合与数据库对比，返回DDL语句
+            获取c#类型，int、long
             </summary>
-            <param name="entityTypes">实体类型</param>
+            <param name="column"></param>
             <returns></returns>
         </member>
-        <member name="M:FreeSql.ICodeFirst.GetComparisonDDLStatements(System.Type,System.String)">
+        <member name="M:FreeSql.IDbFirst.GetCsTypeInfo(FreeSql.DatabaseModel.DbColumnInfo)">
             <summary>
-            将实体类型与数据库对比，返回DDL语句（指定表名）
+            获取c#类型对象
             </summary>
-            <param name="entityType">实体类型</param>
-            <param name="tableName">指定表名对比</param>
+            <param name="column"></param>
             <returns></returns>
         </member>
-        <member name="M:FreeSql.ICodeFirst.SyncStructure``1">
+        <member name="M:FreeSql.IDbFirst.GetDataReaderMethod(FreeSql.DatabaseModel.DbColumnInfo)">
             <summary>
-            同步实体类型到数据库<para></para>
-            注意：生产环境中谨慎使用
+            获取ado.net读取方法, GetBoolean、GetInt64
             </summary>
-            <typeparam name="TEntity"></typeparam>
-        </member>
-        <member name="M:FreeSql.ICodeFirst.SyncStructure(System.Type[])">
-            <summary>
-            同步实体类型集合到数据库<para></para>
-            注意：生产环境中谨慎使用
-            </summary>
-            <param name="entityTypes"></param>
-        </member>
-        <member name="M:FreeSql.ICodeFirst.SyncStructure(System.Type,System.String,System.Boolean)">
-            <summary>
-            同步实体类型到数据库（指定表名）<para></para>
-            注意：生产环境中谨慎使用
-            </summary>
-            <param name="entityType">实体类型</param>
-            <param name="tableName">指定表名对比</param>
-            <param name="isForceSync">强制同步结构，无视缓存每次都同步</param>
-        </member>
-        <member name="M:FreeSql.ICodeFirst.GetDbInfo(System.Type)">
-            <summary>
-            根据 System.Type 获取数据库信息
-            </summary>
-            <param name="type"></param>
+            <param name="column"></param>
             <returns></returns>
         </member>
-        <member name="M:FreeSql.ICodeFirst.ConfigEntity``1(System.Action{FreeSql.DataAnnotations.TableFluent{``0}})">
+        <member name="M:FreeSql.IDbFirst.GetCsStringify(FreeSql.DatabaseModel.DbColumnInfo)">
             <summary>
-            FreeSql FluentApi 配置实体，方法名与特性相同
+            序列化
             </summary>
-            <typeparam name="T"></typeparam>
-            <param name="entity"></param>
+            <param name="column"></param>
             <returns></returns>
         </member>
-        <member name="M:FreeSql.ICodeFirst.ConfigEntity(System.Type,System.Action{FreeSql.DataAnnotations.TableFluent})">
+        <member name="M:FreeSql.IDbFirst.GetCsParse(FreeSql.DatabaseModel.DbColumnInfo)">
             <summary>
-            FreeSql FluentApi 配置实体，方法名与特性相同
+            反序列化
             </summary>
-            <param name="type"></param>
-            <param name="entity"></param>
+            <param name="column"></param>
             <returns></returns>
         </member>
-        <member name="M:FreeSql.ICodeFirst.GetConfigEntity(System.Type)">
+        <member name="M:FreeSql.IDbFirst.GetEnumsByDatabase(System.String[])">
             <summary>
-            获取 FreeSql FluentApi 配置实体的元数据
-            </summary>
-            <param name="type"></param>
-            <returns>未使用ConfigEntity配置时，返回null</returns>
-        </member>
-        <member name="M:FreeSql.ICodeFirst.GetTableByEntity(System.Type)">
-            <summary>
-            获取实体类核心配置
-            </summary>
-            <param name="type"></param>
-            <returns></returns>
-        </member>
-        <member name="M:FreeSql.IDbFirst.GetDatabases">
-            <summary>
-            获取所有数据库
-            </summary>
-            <returns></returns>
-        </member>
-        <member name="M:FreeSql.IDbFirst.GetTablesByDatabase(System.String[])">
-            <summary>
-            获取指定数据库的表信息，包括表、列详情、主键、唯一键、索引、外键、备注
+            获取数据库枚举类型，适用 PostgreSQL
             </summary>
             <param name="database"></param>
             <returns></returns>
         </member>
+        <member name="F:FreeSql.Internal.BaseDiyMemberExpression._lambdaParameter">
+            <summary>
+            临时 LambdaExpression.Parameter
+            </summary>
+        </member>
+        <member name="M:FreeSql.Internal.CommonProvider.InsertOrUpdateProvider`1.SplitSourceByIdentityValueIsNull(System.Collections.Generic.List{`0})">
+            <summary>
+            如果实体类有自增属性，分成两个 List，有值的Item1 merge，无值的Item2 insert
+            </summary>
+            <param name="source"></param>
+            <returns></returns>
+        </member>
+        <member name="M:FreeSql.Internal.CommonProvider.InsertProvider`1.IgnoreCanInsert">
+            <summary>
+            AsType, Ctor, ClearData 三处地方需要重新加载
+            </summary>
+        </member>
+        <member name="M:FreeSql.Internal.CommonProvider.UpdateProvider`1.IgnoreCanUpdate">
+            <summary>
+            AsType, Ctor, ClearData 三处地方需要重新加载
+            </summary>
+        </member>
+        <member name="M:FreeSql.Internal.CommonUtils.GetPropertyCommentByDescriptionAttribute(System.Type)">
+            <summary>
+            动态读取 DescriptionAttribute 注释文本
+            </summary>
+            <param name="type"></param>
+            <returns></returns>
+        </member>
+        <member name="M:FreeSql.Internal.CommonUtils.GetProperyCommentBySummary(System.Type)">
+            <summary>
+            通过属性的注释文本，通过 xml 读取
+            </summary>
+            <param name="type"></param>
+            <returns>Dict：key=属性名，value=注释</returns>
+        </member>
+        <member name="P:FreeSql.Internal.DbUpdateVersionException.Table">
+            <summary>
+            更新实体的元数据
+            </summary>
+        </member>
+        <member name="P:FreeSql.Internal.DbUpdateVersionException.Sql">
+            <summary>
+            执行更新的 SQL
+            </summary>
+        </member>
+        <member name="P:FreeSql.Internal.DbUpdateVersionException.DbParams">
+            <summary>
+            执行更新命令的参数
+            </summary>
+        </member>
+        <member name="P:FreeSql.Internal.DbUpdateVersionException.Affrows">
+            <summary>
+            执行更新命令影响的行
+            </summary>
+        </member>
+        <member name="P:FreeSql.Internal.DbUpdateVersionException.EntitySourceCount">
+            <summary>
+            更新的实体数量
+            </summary>
+        </member>
+        <member name="P:FreeSql.Internal.DbUpdateVersionException.EntitySource">
+            <summary>
+            更新的实体
+            </summary>
+        </member>
+        <member name="T:FreeSql.Internal.MappingPriorityType">
+            <summary>
+            映射优先级，默认： Attribute > FluentApi > Aop
+            </summary>
+        </member>
+        <member name="F:FreeSql.Internal.MappingPriorityType.Attribute">
+            <summary>
+            实体特性<para></para>
+            [Table(Name = "tabname")]<para></para>
+            [Column(Name = "table_id")]
+            </summary>
+        </member>
+        <member name="F:FreeSql.Internal.MappingPriorityType.FluentApi">
+            <summary>
+            流式接口<para></para>
+            fsql.CodeFirst.ConfigEntity(a => a.Name("tabname"))<para></para>
+            fsql.CodeFirst.ConfigEntity(a => a.Property(b => b.Id).Name("table_id"))
+            </summary>
+        </member>
+        <member name="F:FreeSql.Internal.MappingPriorityType.Aop">
+            <summary>
+            AOP 特性 https://github.com/dotnetcore/FreeSql/wiki/AOP<para></para>
+            fsql.Aop.ConfigEntity += (_, e) => e.ModifyResult.Name = "public.tabname";<para></para>
+            fsql.Aop.ConfigEntityProperty += (_, e) => e.ModifyResult.Name = "table_id";<para></para>
+            </summary>
+        </member>
+        <member name="F:FreeSql.Internal.NameConvertType.None">
+            <summary>
+            不进行任何处理
+            </summary>
+        </member>
+        <member name="F:FreeSql.Internal.NameConvertType.PascalCaseToUnderscore">
+            <summary>
+            将帕斯卡命名字符串转换为下划线分隔字符串
+            <para></para>
+            BigApple -> Big_Apple
+            </summary>
+        </member>
+        <member name="F:FreeSql.Internal.NameConvertType.PascalCaseToUnderscoreWithUpper">
+            <summary>
+            将帕斯卡命名字符串转换为下划线分隔字符串，且转换为全大写
+            <para></para>
+            BigApple -> BIG_APPLE
+            </summary>
+        </member>
+        <member name="F:FreeSql.Internal.NameConvertType.PascalCaseToUnderscoreWithLower">
+            <summary>
+            将帕斯卡命名字符串转换为下划线分隔字符串，且转换为全小写
+            <para></para>
+            BigApple -> big_apple
+            </summary>
+        </member>
+        <member name="F:FreeSql.Internal.NameConvertType.ToUpper">
+            <summary>
+            将字符串转换为大写
+            <para></para>
+            BigApple -> BIGAPPLE
+            </summary>
+        </member>
+        <member name="F:FreeSql.Internal.NameConvertType.ToLower">
+            <summary>
+            将字符串转换为小写
+            <para></para>
+            BigApple -> bigapple
+            </summary>
+        </member>
+        <member name="F:FreeSql.Internal.StringConvertType.None">
+            <summary>
+            不进行任何处理
+            </summary>
+        </member>
+        <member name="F:FreeSql.Internal.StringConvertType.PascalCaseToUnderscore">
+            <summary>
+            将帕斯卡命名字符串转换为下划线分隔字符串
+            <para></para>
+            BigApple -> Big_Apple
+            </summary>
+        </member>
+        <member name="F:FreeSql.Internal.StringConvertType.PascalCaseToUnderscoreWithUpper">
+            <summary>
+            将帕斯卡命名字符串转换为下划线分隔字符串，且转换为全大写
+            <para></para>
+            BigApple -> BIG_APPLE
+            </summary>
+        </member>
+        <member name="F:FreeSql.Internal.StringConvertType.PascalCaseToUnderscoreWithLow         <returns></returns>
+        </member>
         <member name="M:FreeSql.IDbFirst.GetTableByName(System.String,System.Boolean)">
             <summary>
             获取指定单表信息，包括列详情、主键、唯一键、索引、备注
diff --git a/FreeSql/Internal/CommonUtils.cs b/FreeSql/Internal/CommonUtils.cs
index 87147ac3..d72cd338 100644
--- a/FreeSql/Internal/CommonUtils.cs
+++ b/FreeSql/Internal/CommonUtils.cs
@@ -196,27 +196,38 @@ namespace FreeSql.Internal
                         }
                         break;
                     case MappingPriorityType.FluentApi:
-                        if (dicConfigEntity.TryGetValue(type, out var trytb) && trytb._columns.TryGetValue(proto.Name, out var trycol))
+                        var baseTypes = new List<Type>();
+                        var baseType = type;
+                        while (baseType != typeof(object) && baseType != null)
                         {
-                            if (!string.IsNullOrEmpty(trycol.Name)) attr.Name = trycol.Name;
-                            if (!string.IsNullOrEmpty(trycol.OldName)) attr.OldName = trycol.OldName;
-                            if (!string.IsNullOrEmpty(trycol.DbType)) attr.DbType = trycol.DbType;
-                            if (trycol._IsPrimary != null) attr._IsPrimary = trycol.IsPrimary;
-                            if (trycol._IsIdentity != null) attr._IsIdentity = trycol.IsIdentity;
-                            if (trycol._IsNullable != null) attr._IsNullable = trycol.IsNullable;
-                            if (trycol._IsIgnore != null) attr._IsIgnore = trycol.IsIgnore;
-                            if (trycol._IsVersion != null) attr._IsVersion = trycol.IsVersion;
-                            if (trycol.MapType != null) attr.MapType = trycol.MapType;
-                            if (trycol._Position != null) attr._Position = trycol.Position;
-                            if (trycol._CanInsert != null) attr._CanInsert = trycol.CanInsert;
-                            if (trycol._CanUpdate != null) attr._CanUpdate = trycol.CanUpdate;
-                            if (trycol.ServerTime != DateTimeKind.Unspecified) attr.ServerTime = trycol.ServerTime;
-                            if (trycol._StringLength != null) attr.StringLength = trycol.StringLength;
-                            if (!string.IsNullOrEmpty(trycol.InsertValueSql)) attr.InsertValueSql = trycol.InsertValueSql;
-                            if (trycol._Precision != null) attr.Precision = trycol.Precision;
-                            if (trycol._Scale != null) attr.Scale = trycol.Scale;
-                            if (!string.IsNullOrEmpty(trycol.RewriteSql)) attr.RewriteSql = trycol.RewriteSql;
-                            if (!string.IsNullOrEmpty(trycol.RereadSql)) attr.RereadSql = trycol.RereadSql;
+                            baseTypes.Add(baseType);
+                            baseType = baseType.BaseType;
+                        }
+                        for (var a = baseTypes.Count - 1; a >= 0; a--)
+                        {
+                            var entityType = baseTypes[a];
+                            if (dicConfigEntity.TryGetValue(entityType, out var trytb) && trytb._columns.TryGetValue(proto.Name, out var trycol))
+                            {
+                                if (!string.IsNullOrEmpty(trycol.Name)) attr.Name = trycol.Name;
+                                if (!string.IsNullOrEmpty(trycol.OldName)) attr.OldName = trycol.OldName;
+                                if (!string.IsNullOrEmpty(trycol.DbType)) attr.DbType = trycol.DbType;
+                                if (trycol._IsPrimary != null) attr._IsPrimary = trycol.IsPrimary;
+                                if (trycol._IsIdentity != null) attr._IsIdentity = trycol.IsIdentity;
+                                if (trycol._IsNullable != null) attr._IsNullable = trycol.IsNullable;
+                                if (trycol._IsIgnore != null) attr._IsIgnore = trycol.IsIgnore;
+                                if (trycol._IsVersion != null) attr._IsVersion = trycol.IsVersion;
+                                if (trycol.MapType != null) attr.MapType = trycol.MapType;
+                                if (trycol._Position != null) attr._Position = trycol.Position;
+                                if (trycol._CanInsert != null) attr._CanInsert = trycol.CanInsert;
+                                if (trycol._CanUpdate != null) attr._CanUpdate = trycol.CanUpdate;
+                                if (trycol.ServerTime != DateTimeKind.Unspecified) attr.ServerTime = trycol.ServerTime;
+                                if (trycol._StringLength != null) attr.StringLength = trycol.StringLength;
+                                if (!string.IsNullOrEmpty(trycol.InsertValueSql)) attr.InsertValueSql = trycol.InsertValueSql;
+                                if (trycol._Precision != null) attr.Precision = trycol.Precision;
+                                if (trycol._Scale != null) attr.Scale = trycol.Scale;
+                                if (!string.IsNullOrEmpty(trycol.RewriteSql)) attr.RewriteSql = trycol.RewriteSql;
+                                if (!string.IsNullOrEmpty(trycol.RereadSql)) attr.RereadSql = trycol.RereadSql;
+                            }
                         }
                         break;
                     case MappingPriorityType.Attribute:
diff --git a/FreeSql/Internal/UtilsExpressionTree.cs b/FreeSql/Internal/UtilsExpressionTree.cs
index ef597d07..a6e0b71d 100644
--- a/FreeSql/Internal/UtilsExpressionTree.cs
+++ b/FreeSql/Internal/UtilsExpressionTree.cs
@@ -28,6 +28,9 @@ namespace FreeSql.Internal
                 ) return;
             var tbc = _cacheGetTableByEntity.GetOrAdd(common._orm.Ado.DataType, k1 => new ConcurrentDictionary<Type, TableInfo>()); //区分数据库类型缓存
             if (tbc.TryRemove(entity, out var trytb) && trytb?.TypeLazy != null) tbc.TryRemove(trytb.TypeLazy, out var trylz);
+            var reltypes = tbc.Keys.Where(a => entity.IsAssignableFrom(a)).ToArray();
+            foreach (var reltype in reltypes)
+                if (tbc.TryRemove(reltype, out trytb) && trytb?.TypeLazy != null) tbc.TryRemove(trytb.TypeLazy, out var trylz);
         }
         internal static TableInfo GetTableByEntity(Type entity, CommonUtils common)
         {