diff --git a/README.md b/README.md
index 6db16ead..084846ae 100644
--- a/README.md
+++ b/README.md
@@ -705,8 +705,11 @@ var shardingPageResultAsync = await _defaultTableDbContext.Set<SysUserMod>().Ord
 使用该框架需要注意两点如果你的shardingdbcontext重写了以下服务可能无法使用 如果还想使用需要自己重写扩展[请参考](https://github.com/xuejmnet/sharding-core/blob/main/src/ShardingCore/DIExtension.cs)
 1.shardingdbcontext
 ```c#
-    return optionsBuilder.ReplaceService<IDbSetSource, ShardingDbSetSource>()
-                .ReplaceService<IQueryCompiler, ShardingQueryCompiler>();
+   return optionsBuilder.UseShardingWrapMark()
+                .ReplaceService<IDbSetSource, ShardingDbSetSource>()
+                .ReplaceService<IQueryCompiler, ShardingQueryCompiler>()
+                .ReplaceService<IDbContextTransactionManager, ShardingRelationalTransactionManager<TShardingDbContext>>()
+                .ReplaceService<IRelationalTransactionFactory, ShardingRelationalTransactionFactory<TShardingDbContext>>();
 ```
 2.defaultdbcontext
 ```c#
@@ -725,12 +728,11 @@ return optionsBuilder.ReplaceService<IModelCacheKeyFactory, ShardingModelCacheKe
 - startup是否已经添加虚拟路由
 - startup是否已经添加bootstrapper.start()
 
-```c#添加追踪
-
+```c#
+//支持最终修改
             var sresult =  _defaultTableDbContext.Set<SysUserMod>().ToList();
 
             var sysUserMod98 = result.FirstOrDefault(o => o.Id == "98");
-            _defaultTableDbContext.Attach(sysUserMod98);//添加追踪
             sysUserMod98.Name = "name_update"+new Random().Next(1,99)+"_98";
             await _defaultTableDbContext.SaveChangesAsync();
 --log info
diff --git a/samples/Samples.AbpSharding/AbstractShardingAbpDbContext.cs b/samples/Samples.AbpSharding/AbstractShardingAbpDbContext.cs
index 78d1839e..7d946383 100644
--- a/samples/Samples.AbpSharding/AbstractShardingAbpDbContext.cs
+++ b/samples/Samples.AbpSharding/AbstractShardingAbpDbContext.cs
@@ -91,7 +91,7 @@ namespace Samples.AbpSharding
 
             return dbContext;
         }
-        
+
 
         private void CheckAndSetShardingKeyThatSupportAutoCreate<TEntity>(TEntity entity) where TEntity : class
         {
@@ -122,7 +122,8 @@ namespace Samples.AbpSharding
                         true
                     );
                 }
-            }else if (entity is IShardingKeyIsCreationTime)
+            }
+            else if (entity is IShardingKeyIsCreationTime)
             {
                 AuditPropertySetter?.SetCreationProperties(entity);
             }
@@ -180,7 +181,6 @@ namespace Samples.AbpSharding
                 group.Key.AddRange(group.Select(o => o.Entity));
             }
         }
-
         public override void AddRange(IEnumerable<object> entities)
         {
             if (isExecutor)
diff --git a/src/ShardingCore/DIExtension.cs b/src/ShardingCore/DIExtension.cs
index 94f6fea8..dd1927c7 100644
--- a/src/ShardingCore/DIExtension.cs
+++ b/src/ShardingCore/DIExtension.cs
@@ -24,6 +24,7 @@ using ShardingCore.Sharding.Abstractions;
 using ShardingCore.Sharding.ShardingQueryExecutors;
 using ShardingCore.TableCreator;
 using System;
+using System.Collections.Generic;
 using Microsoft.EntityFrameworkCore.Storage;
 using ShardingCore.EFCores.OptionsExtensions;
 
diff --git a/src/ShardingCore/Helpers/ShardingCoreHelper.cs b/src/ShardingCore/Helpers/ShardingCoreHelper.cs
index 2d6f5ba4..7f667f06 100644
--- a/src/ShardingCore/Helpers/ShardingCoreHelper.cs
+++ b/src/ShardingCore/Helpers/ShardingCoreHelper.cs
@@ -75,7 +75,10 @@ namespace ShardingCore.Helpers
         }
 
 
-
+        /// <summary>
+        /// check TContext ctor is <see cref="DbContextOptions"/>
+        /// </summary>
+        /// <typeparam name="TContext">DbContext</typeparam>
         public static void CheckContextConstructors<TContext>()
             where TContext : DbContext
         {