diff --git a/FreeSql.DbContext/DbSet/DbSetAsync.cs b/FreeSql.DbContext/DbSet/DbSetAsync.cs
index 1c2fa9aa..b75f3fb4 100644
--- a/FreeSql.DbContext/DbSet/DbSetAsync.cs
+++ b/FreeSql.DbContext/DbSet/DbSetAsync.cs
@@ -408,7 +408,18 @@ namespace FreeSql
             foreach (var item in data)
             {
                 if (_dicUpdateTimes.ContainsKey(item))
+                {
+                    var itemCopy = CreateEntityState(item).Value;
                     await DbContextFlushCommandAsync();
+                    if (_table.VersionColumn != null)
+                    {
+                        var itemVersion = _db.OrmOriginal.GetEntityValueWithPropertyName(_entityType, item, _table.VersionColumn.CsName);
+                        _db.OrmOriginal.MapEntityValue(_entityType, itemCopy, item);
+                        _db.OrmOriginal.SetEntityValueWithPropertyName(_entityType, item, _table.VersionColumn.CsName, itemVersion);
+                    }
+                    else
+                        _db.OrmOriginal.MapEntityValue(_entityType, itemCopy, item);
+                }
                 _dicUpdateTimes.Add(item, 1);
 
                 var state = CreateEntityState(item);
diff --git a/FreeSql.DbContext/DbSet/DbSetSync.cs b/FreeSql.DbContext/DbSet/DbSetSync.cs
index 59e173a3..7932c65c 100644
--- a/FreeSql.DbContext/DbSet/DbSetSync.cs
+++ b/FreeSql.DbContext/DbSet/DbSetSync.cs
@@ -451,7 +451,18 @@ namespace FreeSql
             foreach (var item in data)
             {
                 if (_dicUpdateTimes.ContainsKey(item))
+                {
+                    var itemCopy = CreateEntityState(item).Value;
                     DbContextFlushCommand();
+                    if (_table.VersionColumn != null)
+                    {
+                        var itemVersion = _db.OrmOriginal.GetEntityValueWithPropertyName(_entityType, item, _table.VersionColumn.CsName);
+                        _db.OrmOriginal.MapEntityValue(_entityType, itemCopy, item);
+                        _db.OrmOriginal.SetEntityValueWithPropertyName(_entityType, item, _table.VersionColumn.CsName, itemVersion);
+                    }
+                    else
+                        _db.OrmOriginal.MapEntityValue(_entityType, itemCopy, item);
+                }
                 _dicUpdateTimes.Add(item, 1);
 
                 var state = CreateEntityState(item);
diff --git a/FreeSql.DbContext/FreeSql.DbContext.xml b/FreeSql.DbContext/FreeSql.DbContext.xml
index 8cc83aba..9c6cd88b 100644
--- a/FreeSql.DbContext/FreeSql.DbContext.xml
+++ b/FreeSql.DbContext/FreeSql.DbContext.xml
@@ -329,7 +329,10 @@
         </member>
         <member name="M:FreeSql.IBaseRepository`1.BeginEdit(System.Collections.Generic.List{`0})">
             <summary>
-            开始编辑数据，然后调用方法 EndEdit 分析出添加�方法只支持单表操作，不支持导航属性级联保存
+            开始编辑数据，然后调用方法 EndEdit 分析出添加、修改、删除 SQL 语句进行执行<para></para>
+            场景：winform 加载表数据后，一顿添加、修改、删除操作之后，最后才点击【保存】<para></para><para></para>
+            示例：https://github.com/dotnetcore/FreeSql/issues/397<para></para>
+            注意：* 本方法只支持单表操作，不支持导航属性级联保存
             </summary>
             <param name="data"></param>
         </member>
@@ -531,21 +534,3 @@
         </member>
     </members>
 </doc>
-me="M:FreeSqlDbContextExtensions.CreateUnitOfWork(IFreeSql)">
-            <summary>
-            创建基于仓储功能的工作单元，务必使用 using 包含使用
-            </summary>
-            <param name="that"></param>
-            <returns></returns>
-        </member>
-        <member name="M:Microsoft.Extensions.DependencyInjection.FreeSqlRepositoryDependencyInjection.AddFreeRepository(Microsoft.Extensions.DependencyInjection.IServiceCollection,System.Action{FreeSql.FluentDataFilter},System.Reflection.Assembly[])">
-            <summary>
-            批量注入 Repository，可以参考代码自行调整
-            </summary>
-            <param name="services"></param>
-            <param name="globalDataFilter"></param>
-            <param name="assemblies"></param>
-            <returns></returns>
-        </member>
-    </members>
-</doc>
diff --git a/FreeSql.Tests/FreeSql.Tests/Firebird/FirebirdDbFirstTest.cs b/FreeSql.Tests/FreeSql.Tests/Firebird/FirebirdDbFirstTest.cs
index d927e0d1..8dfb7b9f 100644
--- a/FreeSql.Tests/FreeSql.Tests/Firebird/FirebirdDbFirstTest.cs
+++ b/FreeSql.Tests/FreeSql.Tests/Firebird/FirebirdDbFirstTest.cs
@@ -36,6 +36,11 @@ namespace FreeSql.Tests.Firebird
         public void ExistsTable()
         {
             var fsql = g.firebird;
+            try
+            {
+                fsql.Ado.ExecuteNonQuery("drop table test_existstb011");
+            }
+            catch { }
             Assert.False(fsql.DbFirst.ExistsTable("test_existstb011"));
             Assert.False(fsql.DbFirst.ExistsTable("test_existstb011", false));
             fsql.CodeFirst.SyncStructure(typeof(test_existstb011));