diff --git a/Directory.Build.props b/Directory.Build.props
index 89f2abc4..7cbab35d 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -11,7 +11,7 @@
 	<!--
 	经常出于版本交叉问题，暂时关闭，在每个项目上设置版本号
 	<PropertyGroup>
-		<Version>3.2.688-preview20230216</Version>
+		<Version>3.2.688-preview20230223</Version>
 	</PropertyGroup>
 	-->
 	
diff --git a/Extensions/FreeSql.Extensions.BaseEntity/FreeSql.Extensions.BaseEntity.csproj b/Extensions/FreeSql.Extensions.BaseEntity/FreeSql.Extensions.BaseEntity.csproj
index c7662c79..3a4d5f19 100644
--- a/Extensions/FreeSql.Extensions.BaseEntity/FreeSql.Extensions.BaseEntity.csproj
+++ b/Extensions/FreeSql.Extensions.BaseEntity/FreeSql.Extensions.BaseEntity.csproj
@@ -19,7 +19,7 @@
 		<AssemblyOriginatorKeyFile>key.snk</AssemblyOriginatorKeyFile>
 		<DelaySign>false</DelaySign>
 		<LangVersion>latest</LangVersion>
-		<Version>3.2.688-preview20230216</Version>
+		<Version>3.2.688-preview20230223</Version>
 	</PropertyGroup>
 
 	<ItemGroup>
diff --git a/Extensions/FreeSql.Extensions.JsonMap/FreeSql.Extensions.JsonMap.csproj b/Extensions/FreeSql.Extensions.JsonMap/FreeSql.Extensions.JsonMap.csproj
index 4e8806e7..3bcbaba3 100644
--- a/Extensions/FreeSql.Extensions.JsonMap/FreeSql.Extensions.JsonMap.csproj
+++ b/Extensions/FreeSql.Extensions.JsonMap/FreeSql.Extensions.JsonMap.csproj
@@ -18,7 +18,7 @@
 		<SignAssembly>true</SignAssembly>
 		<AssemblyOriginatorKeyFile>key.snk</AssemblyOriginatorKeyFile>
 		<DelaySign>false</DelaySign>
-		<Version>3.2.688-preview20230216</Version>
+		<Version>3.2.688-preview20230223</Version>
 	</PropertyGroup>
 
 	<ItemGroup>
diff --git a/Extensions/FreeSql.Extensions.LazyLoading/FreeSql.Extensions.LazyLoading.csproj b/Extensions/FreeSql.Extensions.LazyLoading/FreeSql.Extensions.LazyLoading.csproj
index 76634f0a..23cc7465 100644
--- a/Extensions/FreeSql.Extensions.LazyLoading/FreeSql.Extensions.LazyLoading.csproj
+++ b/Extensions/FreeSql.Extensions.LazyLoading/FreeSql.Extensions.LazyLoading.csproj
@@ -15,7 +15,7 @@
 		<Title>$(AssemblyName)</Title>
 		<IsPackable>true</IsPackable>
 		<GenerateAssemblyInfo>true</GenerateAssemblyInfo>
-		<Version>3.2.688-preview20230216</Version>
+		<Version>3.2.688-preview20230223</Version>
 	</PropertyGroup>
 
 	<ItemGroup>
diff --git a/Extensions/FreeSql.Extensions.Linq/FreeSql.Extensions.Linq.csproj b/Extensions/FreeSql.Extensions.Linq/FreeSql.Extensions.Linq.csproj
index d18e5908..982fc6a4 100644
--- a/Extensions/FreeSql.Extensions.Linq/FreeSql.Extensions.Linq.csproj
+++ b/Extensions/FreeSql.Extensions.Linq/FreeSql.Extensions.Linq.csproj
@@ -18,7 +18,7 @@
 		<SignAssembly>true</SignAssembly>
 		<AssemblyOriginatorKeyFile>key.snk</AssemblyOriginatorKeyFile>
 		<DelaySign>false</DelaySign>
-		<Version>3.2.688-preview20230216</Version>
+		<Version>3.2.688-preview20230223</Version>
 	</PropertyGroup>
 
 	<ItemGroup>
diff --git a/Extensions/FreeSql.Generator/FreeSql.Generator.csproj b/Extensions/FreeSql.Generator/FreeSql.Generator.csproj
index 4a111700..0823e981 100644
--- a/Extensions/FreeSql.Generator/FreeSql.Generator.csproj
+++ b/Extensions/FreeSql.Generator/FreeSql.Generator.csproj
@@ -13,7 +13,7 @@
 		<PackageProjectUrl>https://github.com/2881099/FreeSql</PackageProjectUrl>
 		<RepositoryUrl>https://github.com/2881099/FreeSql</RepositoryUrl>
 		<PackageTags>FreeSql DbFirst 实体生成器</PackageTags>
-		<Version>3.2.688-preview20230216</Version>
+		<Version>3.2.688-preview20230223</Version>
 	</PropertyGroup>
 
 	<ItemGroup>
diff --git a/FreeSql.All/FreeSql.All.csproj b/FreeSql.All/FreeSql.All.csproj
index d0262f01..17018628 100644
--- a/FreeSql.All/FreeSql.All.csproj
+++ b/FreeSql.All/FreeSql.All.csproj
@@ -17,7 +17,7 @@
 		<SignAssembly>true</SignAssembly>
 		<AssemblyOriginatorKeyFile>key.snk</AssemblyOriginatorKeyFile>
 		<DelaySign>false</DelaySign>
-		<Version>3.2.688-preview20230216</Version>
+		<Version>3.2.688-preview20230223</Version>
 	</PropertyGroup>
 
 	<ItemGroup>
diff --git a/FreeSql.DbContext/FreeSql.DbContext.csproj b/FreeSql.DbContext/FreeSql.DbContext.csproj
index 7a217c3b..6cb8da8c 100644
--- a/FreeSql.DbContext/FreeSql.DbContext.csproj
+++ b/FreeSql.DbContext/FreeSql.DbContext.csproj
@@ -17,7 +17,7 @@
 		<SignAssembly>true</SignAssembly>
 		<AssemblyOriginatorKeyFile>key.snk</AssemblyOriginatorKeyFile>
 		<DelaySign>false</DelaySign>
-		<Version>3.2.688-preview20230216</Version>
+		<Version>3.2.688-preview20230223</Version>
 	</PropertyGroup>
 
 	<ItemGroup>
diff --git a/FreeSql.DbContext/FreeSql.DbContext.xml b/FreeSql.DbContext/FreeSql.DbContext.xml
index 537315e2..26522f10 100644
--- a/FreeSql.DbContext/FreeSql.DbContext.xml
+++ b/FreeSql.DbContext/FreeSql.DbContext.xml
@@ -800,5 +800,14 @@
             <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.Repository/FreeSql.Repository.csproj b/FreeSql.Repository/FreeSql.Repository.csproj
index 39ea10e3..2ffebb49 100644
--- a/FreeSql.Repository/FreeSql.Repository.csproj
+++ b/FreeSql.Repository/FreeSql.Repository.csproj
@@ -17,7 +17,7 @@
 		<SignAssembly>true</SignAssembly>
 		<AssemblyOriginatorKeyFile>key.snk</AssemblyOriginatorKeyFile>
 		<DelaySign>false</DelaySign>
-		<Version>3.2.688-preview20230216</Version>
+		<Version>3.2.688-preview20230223</Version>
 	</PropertyGroup>
 
 	<ItemGroup>
diff --git a/FreeSql/FreeSql.csproj b/FreeSql/FreeSql.csproj
index e0176988..a98dfee8 100644
--- a/FreeSql/FreeSql.csproj
+++ b/FreeSql/FreeSql.csproj
@@ -17,7 +17,7 @@
 		<SignAssembly>true</SignAssembly>
 		<AssemblyOriginatorKeyFile>key.snk</AssemblyOriginatorKeyFile>
 		<DelaySign>false</DelaySign>
-		<Version>3.2.688-preview20230216</Version>
+		<Version>3.2.688-preview20230223</Version>
 	</PropertyGroup>
 
 	<ItemGroup>
diff --git a/Providers/FreeSql.Provider.ClickHouse/FreeSql.Provider.ClickHouse.csproj b/Providers/FreeSql.Provider.ClickHouse/FreeSql.Provider.ClickHouse.csproj
index 11204caa..78f1f54b 100644
--- a/Providers/FreeSql.Provider.ClickHouse/FreeSql.Provider.ClickHouse.csproj
+++ b/Providers/FreeSql.Provider.ClickHouse/FreeSql.Provider.ClickHouse.csproj
@@ -19,7 +19,7 @@
 		<SignAssembly>False</SignAssembly>
 		<AssemblyOriginatorKeyFile>key.snk</AssemblyOriginatorKeyFile>
 		<DelaySign>false</DelaySign>
-		<Version>3.2.688-preview20230216</Version>
+		<Version>3.2.688-preview20230223</Version>
 	</PropertyGroup>
 
 	<ItemGroup>
diff --git a/Providers/FreeSql.Provider.Custom/FreeSql.Provider.Custom.csproj b/Providers/FreeSql.Provider.Custom/FreeSql.Provider.Custom.csproj
index d366e42b..a3510a67 100644
--- a/Providers/FreeSql.Provider.Custom/FreeSql.Provider.Custom.csproj
+++ b/Providers/FreeSql.Provider.Custom/FreeSql.Provider.Custom.csproj
@@ -18,7 +18,7 @@
 		<SignAssembly>true</SignAssembly>
 		<AssemblyOriginatorKeyFile>key.snk</AssemblyOriginatorKeyFile>
 		<DelaySign>false</DelaySign>
-		<Version>3.2.688-preview20230216</Version>
+		<Version>3.2.688-preview20230223</Version>
 	</PropertyGroup>
 
 	<ItemGroup>
diff --git a/Providers/FreeSql.Provider.Dameng/FreeSql.Provider.Dameng.csproj b/Providers/FreeSql.Provider.Dameng/FreeSql.Provider.Dameng.csproj
index 23e2fecb..7c7d972c 100644
--- a/Providers/FreeSql.Provider.Dameng/FreeSql.Provider.Dameng.csproj
+++ b/Providers/FreeSql.Provider.Dameng/FreeSql.Provider.Dameng.csproj
@@ -15,7 +15,7 @@
 		<Title>$(AssemblyName)</Title>
 		<IsPackable>true</IsPackable>
 		<GenerateAssemblyInfo>true</GenerateAssemblyInfo>
-		<Version>3.2.688-preview20230216</Version>
+		<Version>3.2.688-preview20230223</Version>
 	</PropertyGroup>
 
 	<ItemGroup>
diff --git a/Providers/FreeSql.Provider.Firebird/FreeSql.Provider.Firebird.csproj b/Providers/FreeSql.Provider.Firebird/FreeSql.Provider.Firebird.csproj
index 68be9e13..a9543b80 100644
--- a/Providers/FreeSql.Provider.Firebird/FreeSql.Provider.Firebird.csproj
+++ b/Providers/FreeSql.Provider.Firebird/FreeSql.Provider.Firebird.csproj
@@ -18,7 +18,7 @@
 		<SignAssembly>true</SignAssembly>
 		<AssemblyOriginatorKeyFile>key.snk</AssemblyOriginatorKeyFile>
 		<DelaySign>false</DelaySign>
-		<Version>3.2.688-preview20230216</Version>
+		<Version>3.2.688-preview20230223</Version>
 	</PropertyGroup>
 
 	<ItemGroup>
diff --git a/Providers/FreeSql.Provider.GBase/FreeSql.Provider.GBase.csproj b/Providers/FreeSql.Provider.GBase/FreeSql.Provider.GBase.csproj
index 2c47608f..1031013c 100644
--- a/Providers/FreeSql.Provider.GBase/FreeSql.Provider.GBase.csproj
+++ b/Providers/FreeSql.Provider.GBase/FreeSql.Provider.GBase.csproj
@@ -18,7 +18,7 @@
 		<SignAssembly>true</SignAssembly>
 		<AssemblyOriginatorKeyFile>key.snk</AssemblyOriginatorKeyFile>
 		<DelaySign>false</DelaySign>
-		<Version>3.2.688-preview20230216</Version>
+		<Version>3.2.688-preview20230223</Version>
 	</PropertyGroup>
 
 	<ItemGroup>
diff --git a/Providers/FreeSql.Provider.KingbaseES/FreeSql.Provider.KingbaseES.csproj b/Providers/FreeSql.Provider.KingbaseES/FreeSql.Provider.KingbaseES.csproj
index ec924413..9111322d 100644
--- a/Providers/FreeSql.Provider.KingbaseES/FreeSql.Provider.KingbaseES.csproj
+++ b/Providers/FreeSql.Provider.KingbaseES/FreeSql.Provider.KingbaseES.csproj
@@ -15,7 +15,7 @@
 		<Title>$(AssemblyName)</Title>
 		<IsPackable>true</IsPackable>
 		<GenerateAssemblyInfo>true</GenerateAssemblyInfo>
-		<Version>3.2.688-preview20230216</Version>
+		<Version>3.2.688-preview20230223</Version>
 	</PropertyGroup>
 
 	<ItemGroup>
diff --git a/Providers/FreeSql.Provider.MsAccess/FreeSql.Provider.MsAccess.csproj b/Providers/FreeSql.Provider.MsAccess/FreeSql.Provider.MsAccess.csproj
index cc050212..2fe8f90e 100644
--- a/Providers/FreeSql.Provider.MsAccess/FreeSql.Provider.MsAccess.csproj
+++ b/Providers/FreeSql.Provider.MsAccess/FreeSql.Provider.MsAccess.csproj
@@ -18,7 +18,7 @@
 		<SignAssembly>true</SignAssembly>
 		<AssemblyOriginatorKeyFile>key.snk</AssemblyOriginatorKeyFile>
 		<DelaySign>false</DelaySign>
-		<Version>3.2.688-preview20230216</Version>
+		<Version>3.2.688-preview20230223</Version>
 	</PropertyGroup>
 
 	<ItemGroup>
diff --git a/Providers/FreeSql.Provider.MySql/FreeSql.Provider.MySql.csproj b/Providers/FreeSql.Provider.MySql/FreeSql.Provider.MySql.csproj
index 34ddf125..45b90efb 100644
--- a/Providers/FreeSql.Provider.MySql/FreeSql.Provider.MySql.csproj
+++ b/Providers/FreeSql.Provider.MySql/FreeSql.Provider.MySql.csproj
@@ -18,7 +18,7 @@
 		<SignAssembly>true</SignAssembly>
 		<AssemblyOriginatorKeyFile>key.snk</AssemblyOriginatorKeyFile>
 		<DelaySign>false</DelaySign>
-		<Version>3.2.688-preview20230216</Version>
+		<Version>3.2.688-preview20230223</Version>
 	</PropertyGroup>
 
 	<ItemGroup>
diff --git a/Providers/FreeSql.Provider.MySqlConnector/FreeSql.Provider.MySqlConnector.csproj b/Providers/FreeSql.Provider.MySqlConnector/FreeSql.Provider.MySqlConnector.csproj
index 9dfd9939..1df04636 100644
--- a/Providers/FreeSql.Provider.MySqlConnector/FreeSql.Provider.MySqlConnector.csproj
+++ b/Providers/FreeSql.Provider.MySqlConnector/FreeSql.Provider.MySqlConnector.csproj
@@ -18,7 +18,7 @@
 		<SignAssembly>true</SignAssembly>
 		<AssemblyOriginatorKeyFile>key.snk</AssemblyOriginatorKeyFile>
 		<DelaySign>false</DelaySign>
-		<Version>3.2.688-preview20230216</Version>
+		<Version>3.2.688-preview20230223</Version>
 	</PropertyGroup>
 
 	<ItemGroup>
diff --git a/Providers/FreeSql.Provider.Odbc/FreeSql.Provider.Odbc.csproj b/Providers/FreeSql.Provider.Odbc/FreeSql.Provider.Odbc.csproj
index 7ec0dbef..1bb8d479 100644
--- a/Providers/FreeSql.Provider.Odbc/FreeSql.Provider.Odbc.csproj
+++ b/Providers/FreeSql.Provider.Odbc/FreeSql.Provider.Odbc.csproj
@@ -18,7 +18,7 @@
 		<SignAssembly>true</SignAssembly>
 		<AssemblyOriginatorKeyFile>key.snk</AssemblyOriginatorKeyFile>
 		<DelaySign>false</DelaySign>
-		<Version>3.2.688-preview20230216</Version>
+		<Version>3.2.688-preview20230223</Version>
 	</PropertyGroup>
 
 	<ItemGroup>
diff --git a/Providers/FreeSql.Provider.Oracle/FreeSql.Provider.Oracle.csproj b/Providers/FreeSql.Provider.Oracle/FreeSql.Provider.Oracle.csproj
index 536497eb..374dacc0 100644
--- a/Providers/FreeSql.Provider.Oracle/FreeSql.Provider.Oracle.csproj
+++ b/Providers/FreeSql.Provider.Oracle/FreeSql.Provider.Oracle.csproj
@@ -18,7 +18,7 @@
 		<SignAssembly>true</SignAssembly>
 		<AssemblyOriginatorKeyFile>key.snk</AssemblyOriginatorKeyFile>
 		<DelaySign>false</DelaySign>
-		<Version>3.2.688-preview20230216</Version>
+		<Version>3.2.688-preview20230223</Version>
 	</PropertyGroup>
 
 	<ItemGroup>
diff --git a/Providers/FreeSql.Provider.OracleOledb/FreeSql.Provider.OracleOledb.csproj b/Providers/FreeSql.Provider.OracleOledb/FreeSql.Provider.OracleOledb.csproj
index 1f2d126e..bde9b9d4 100644
--- a/Providers/FreeSql.Provider.OracleOledb/FreeSql.Provider.OracleOledb.csproj
+++ b/Providers/FreeSql.Provider.OracleOledb/FreeSql.Provider.OracleOledb.csproj
@@ -18,7 +18,7 @@
 		<SignAssembly>true</SignAssembly>
 		<AssemblyOriginatorKeyFile>key.snk</AssemblyOriginatorKeyFile>
 		<DelaySign>false</DelaySign>
-		<Version>3.2.688-preview20230216</Version>
+		<Version>3.2.688-preview20230223</Version>
 	</PropertyGroup>
 
 	<ItemGroup>
diff --git a/Providers/FreeSql.Provider.PostgreSQL/FreeSql.Provider.PostgreSQL.csproj b/Providers/FreeSql.Provider.PostgreSQL/FreeSql.Provider.PostgreSQL.csproj
index e240e1b4..7c3ad1d0 100644
--- a/Providers/FreeSql.Provider.PostgreSQL/FreeSql.Provider.PostgreSQL.csproj
+++ b/Providers/FreeSql.Provider.PostgreSQL/FreeSql.Provider.PostgreSQL.csproj
@@ -18,7 +18,7 @@
 		<SignAssembly>true</SignAssembly>
 		<AssemblyOriginatorKeyFile>key.snk</AssemblyOriginatorKeyFile>
 		<DelaySign>false</DelaySign>
-		<Version>3.2.688-preview20230216</Version>
+		<Version>3.2.688-preview20230223</Version>
 	</PropertyGroup>
 
 	<ItemGroup>
diff --git a/Providers/FreeSql.Provider.QuestDb/FreeSql.Provider.QuestDb.csproj b/Providers/FreeSql.Provider.QuestDb/FreeSql.Provider.QuestDb.csproj
index 6b32cdd2..6ae8ff48 100644
--- a/Providers/FreeSql.Provider.QuestDb/FreeSql.Provider.QuestDb.csproj
+++ b/Providers/FreeSql.Provider.QuestDb/FreeSql.Provider.QuestDb.csproj
@@ -18,7 +18,7 @@
 		<SignAssembly>true</SignAssembly>
 		<AssemblyOriginatorKeyFile>key.snk</AssemblyOriginatorKeyFile>
 		<DelaySign>false</DelaySign>
-		<Version>3.2.688-preview20230216</Version>
+		<Version>3.2.688-preview20230223</Version>
 	</PropertyGroup>
 
 	<!--<ItemGroup>
diff --git a/Providers/FreeSql.Provider.QuestDb/QuestDbGlobalExtensions.cs b/Providers/FreeSql.Provider.QuestDb/QuestDbGlobalExtensions.cs
index fd45a6ca..a6192657 100644
--- a/Providers/FreeSql.Provider.QuestDb/QuestDbGlobalExtensions.cs
+++ b/Providers/FreeSql.Provider.QuestDb/QuestDbGlobalExtensions.cs
@@ -35,6 +35,92 @@ public static partial class QuestDbGlobalExtensions
 
     static QuestDbAdo _QuestDbAdo = new QuestDbAdo();
 
+    public static FreeSqlBuilder UseQuestDbRestAPI(this FreeSqlBuilder buider, string host, string username = "",
+        string password = "") => RestAPIExtension.UseQuestDbRestAPI(buider, host, username, password);
+
+    /// <summary>
+    /// 对于多个时间序列存储在同一个表中的场景，根据时间戳检索给定键或键组合的最新项。
+    /// </summary>
+    /// <typeparam name="T1"></typeparam>
+    /// <typeparam name="TKey"></typeparam>
+    /// <param name="select"></param>
+    /// <param name="timestamp">时间标识</param>
+    /// <param name="partition">最新项的列</param>
+    /// <returns></returns>
+    public static ISelect<T1> LatestOn<T1, TKey>(this ISelect<T1> select, Expression<Func<T1, DateTime?>> timestamp,
+        Expression<Func<T1, TKey>> partition)
+    {
+        LatestOnExtension.InternelImpl(timestamp, partition);
+        return select;
+    }
+    /// <summary>
+    /// 对于多个时间序列存储在同一个表中的场景，根据时间戳检索给定键或键组合的最新项。
+    /// </summary>
+    /// <typeparam name="T"></typeparam>
+    /// <typeparam name="TKey"></typeparam>
+    /// <param name="select"></param>
+    /// <param name="timestamp">时间标识</param>
+    /// <param name="partition">最新项的列</param>
+    /// <returns></returns>
+    public static ISelect<T1, T2> LatestOn<T1, T2, TKey>(this ISelect<T1, T2> select,
+        Expression<Func<T1, DateTime?>> timestamp,
+        Expression<Func<T1, TKey>> partition) where T2 : class
+    {
+        LatestOnExtension.InternelImpl(timestamp, partition);
+        return select;
+    }
+
+    /// <summary>
+    /// 对于多个时间序列存储在同一个表中的场景，根据时间戳检索给定键或键组合的最新项。
+    /// </summary>
+    /// <typeparam name="T"></typeparam>
+    /// <typeparam name="TKey"></typeparam>
+    /// <param name="select"></param>
+    /// <param name="timestamp">时间标识</param>
+    /// <param name="partition">最新项的列</param>
+    /// <returns></returns>
+    public static ISelect<T1, T2, T3> LatestOn<T1, T2, T3, TKey>(this ISelect<T1, T2, T3> select,
+        Expression<Func<T1, DateTime?>> timestamp,
+        Expression<Func<T1, TKey>> partition) where T2 : class where T3 : class
+    {
+        LatestOnExtension.InternelImpl(timestamp, partition);
+        return select;
+    }
+
+    /// <summary>
+    /// 对于多个时间序列存储在同一个表中的场景，根据时间戳检索给定键或键组合的最新项。
+    /// </summary>
+    /// <typeparam name="T"></typeparam>
+    /// <typeparam name="TKey"></typeparam>
+    /// <param name="select"></param>
+    /// <param name="timestamp">时间标识</param>
+    /// <param name="partition">最新项的列</param>
+    /// <returns></returns>
+    public static ISelect<T1, T2, T3, T4> LatestOn<T1, T2, T3, T4, TKey>(this ISelect<T1, T2, T3, T4> select,
+        Expression<Func<T1, DateTime?>> timestamp,
+        Expression<Func<T1, TKey>> partition) where T2 : class where T3 : class where T4 : class
+    {
+        LatestOnExtension.InternelImpl(timestamp, partition);
+        return select;
+    }
+
+    /// <summary>
+    /// SAMPLE BY用于时间序列数据，将大型数据集汇总为同质时间块的聚合，作为SELECT语句的一部分。对缺少数据的数据集执行查询的用户可以使用FILL关键字指定填充行为
+    /// </summary>
+    /// <typeparam name="T"></typeparam>
+    /// <param name="select"></param>
+    /// <param name="time">时长</param>
+    /// <param name="unit">单位</param>
+    /// <returns></returns>
+    public static ISelect<T> SampleBy<T>(this ISelect<T> select, double time, SampleUnits unit)
+    {
+        var _unit = Enum.GetName(typeof(SampleUnits), unit);
+        SampleByExtension.IsExistence.Value = true;
+        var samoleByTemple = $"{Environment.NewLine}SAMPLE BY {{0}}{{1}} ";
+        SampleByExtension.SamoleByString.Value = string.Format(samoleByTemple, time.ToString(), _unit);
+        return select;
+    }
+
 
     /// <summary>
     /// 逐行读取，包含空行
@@ -166,7 +252,7 @@ public static partial class QuestDbGlobalExtensions
     }
 }
 
-public static class SampleByExtension
+static class SampleByExtension
 {
     //是否使用该方法
     internal static AsyncLocal<bool> IsExistence = new AsyncLocal<bool>()
@@ -184,26 +270,9 @@ public static class SampleByExtension
         IsExistence.Value = false;
         SamoleByString.Value = string.Empty;
     }
-
-    /// <summary>
-    /// SAMPLE BY用于时间序列数据，将大型数据集汇总为同质时间块的聚合，作为SELECT语句的一部分。对缺少数据的数据集执行查询的用户可以使用FILL关键字指定填充行为
-    /// </summary>
-    /// <typeparam name="T"></typeparam>
-    /// <param name="select"></param>
-    /// <param name="time">时长</param>
-    /// <param name="unit">单位</param>
-    /// <returns></returns>
-    public static ISelect<T> SampleBy<T>(this ISelect<T> select, double time, SampleUnits unit)
-    {
-        var _unit = Enum.GetName(typeof(SampleUnits), unit);
-        IsExistence.Value = true;
-        var samoleByTemple = $"{Environment.NewLine}SAMPLE BY {{0}}{{1}} ";
-        SamoleByString.Value = string.Format(samoleByTemple, time.ToString(), _unit);
-        return select;
-    }
 }
 
-public static class LatestOnExtension
+static class LatestOnExtension
 {
     //是否使用该方法
     internal static AsyncLocal<bool> IsExistence = new AsyncLocal<bool>()
@@ -222,23 +291,7 @@ public static class LatestOnExtension
         LatestOnString.Value = string.Empty;
     }
 
-    /// <summary>
-    /// 对于多个时间序列存储在同一个表中的场景，根据时间戳检索给定键或键组合的最新项。
-    /// </summary>
-    /// <typeparam name="T1"></typeparam>
-    /// <typeparam name="TKey"></typeparam>
-    /// <param name="select"></param>
-    /// <param name="timestamp">时间标识</param>
-    /// <param name="partition">最新项的列</param>
-    /// <returns></returns>
-    public static ISelect<T1> LatestOn<T1, TKey>(this ISelect<T1> select, Expression<Func<T1, DateTime?>> timestamp,
-        Expression<Func<T1, TKey>> partition)
-    {
-        InternelImpl(timestamp, partition);
-        return select;
-    }
-
-    private static void InternelImpl<T1, TKey>(Expression<Func<T1, DateTime?>> timestamp,
+    internal static void InternelImpl<T1, TKey>(Expression<Func<T1, DateTime?>> timestamp,
         Expression<Func<T1, TKey>> partition)
     {
         IsExistence.Value = true;
@@ -250,60 +303,9 @@ public static class LatestOnExtension
         var _partition = expressionVisitor.Fields();
         LatestOnString.Value = string.Format(latestOnTemple, _timestamp, _partition);
     }
-
-    /// <summary>
-    /// 对于多个时间序列存储在同一个表中的场景，根据时间戳检索给定键或键组合的最新项。
-    /// </summary>
-    /// <typeparam name="T"></typeparam>
-    /// <typeparam name="TKey"></typeparam>
-    /// <param name="select"></param>
-    /// <param name="timestamp">时间标识</param>
-    /// <param name="partition">最新项的列</param>
-    /// <returns></returns>
-    public static ISelect<T1, T2> LatestOn<T1, T2, TKey>(this ISelect<T1, T2> select,
-        Expression<Func<T1, DateTime?>> timestamp,
-        Expression<Func<T1, TKey>> partition) where T2 : class
-    {
-        InternelImpl(timestamp, partition);
-        return select;
-    }
-
-    /// <summary>
-    /// 对于多个时间序列存储在同一个表中的场景，根据时间戳检索给定键或键组合的最新项。
-    /// </summary>
-    /// <typeparam name="T"></typeparam>
-    /// <typeparam name="TKey"></typeparam>
-    /// <param name="select"></param>
-    /// <param name="timestamp">时间标识</param>
-    /// <param name="partition">最新项的列</param>
-    /// <returns></returns>
-    public static ISelect<T1, T2, T3> LatestOn<T1, T2, T3, TKey>(this ISelect<T1, T2, T3> select,
-        Expression<Func<T1, DateTime?>> timestamp,
-        Expression<Func<T1, TKey>> partition) where T2 : class where T3 : class
-    {
-        InternelImpl(timestamp, partition);
-        return select;
-    }
-
-    /// <summary>
-    /// 对于多个时间序列存储在同一个表中的场景，根据时间戳检索给定键或键组合的最新项。
-    /// </summary>
-    /// <typeparam name="T"></typeparam>
-    /// <typeparam name="TKey"></typeparam>
-    /// <param name="select"></param>
-    /// <param name="timestamp">时间标识</param>
-    /// <param name="partition">最新项的列</param>
-    /// <returns></returns>
-    public static ISelect<T1, T2, T3, T4> LatestOn<T1, T2, T3, T4, TKey>(this ISelect<T1, T2, T3, T4> select,
-        Expression<Func<T1, DateTime?>> timestamp,
-        Expression<Func<T1, TKey>> partition) where T2 : class where T3 : class where T4 : class
-    {
-        InternelImpl(timestamp, partition);
-        return select;
-    }
 }
 
-public static class RestAPIExtension
+static class RestAPIExtension
 {
     internal static string BaseUrl = string.Empty;
     internal static string authorization = string.Empty;
@@ -321,7 +323,7 @@ public static class RestAPIExtension
         return result;
     }
 
-    public static FreeSqlBuilder UseQuestDbRestAPI(this FreeSqlBuilder buider, string host, string username = "",
+    internal static FreeSqlBuilder UseQuestDbRestAPI(FreeSqlBuilder buider, string host, string username = "",
         string password = "")
     {
         BaseUrl = host;
diff --git a/Providers/FreeSql.Provider.ShenTong/FreeSql.Provider.ShenTong.csproj b/Providers/FreeSql.Provider.ShenTong/FreeSql.Provider.ShenTong.csproj
index 32a16a74..d1cd8e9b 100644
--- a/Providers/FreeSql.Provider.ShenTong/FreeSql.Provider.ShenTong.csproj
+++ b/Providers/FreeSql.Provider.ShenTong/FreeSql.Provider.ShenTong.csproj
@@ -15,7 +15,7 @@
 		<Title>$(AssemblyName)</Title>
 		<IsPackable>true</IsPackable>
 		<GenerateAssemblyInfo>true</GenerateAssemblyInfo>
-		<Version>3.2.688-preview20230216</Version>
+		<Version>3.2.688-preview20230223</Version>
 	</PropertyGroup>
 
 	<ItemGroup>
diff --git a/Providers/FreeSql.Provider.SqlServer/FreeSql.Provider.SqlServer.csproj b/Providers/FreeSql.Provider.SqlServer/FreeSql.Provider.SqlServer.csproj
index bebbfd32..8f0ed9dc 100644
--- a/Providers/FreeSql.Provider.SqlServer/FreeSql.Provider.SqlServer.csproj
+++ b/Providers/FreeSql.Provider.SqlServer/FreeSql.Provider.SqlServer.csproj
@@ -18,7 +18,7 @@
 		<SignAssembly>true</SignAssembly>
 		<DelaySign>false</DelaySign>
 		<AssemblyOriginatorKeyFile>key.snk</AssemblyOriginatorKeyFile>
-		<Version>3.2.688-preview20230216</Version>
+		<Version>3.2.688-preview20230223</Version>
 	</PropertyGroup>
 
 	<ItemGroup>
diff --git a/Providers/FreeSql.Provider.SqlServerForSystem/FreeSql.Provider.SqlServerForSystem.csproj b/Providers/FreeSql.Provider.SqlServerForSystem/FreeSql.Provider.SqlServerForSystem.csproj
index 9f2711aa..91c3d0d2 100644
--- a/Providers/FreeSql.Provider.SqlServerForSystem/FreeSql.Provider.SqlServerForSystem.csproj
+++ b/Providers/FreeSql.Provider.SqlServerForSystem/FreeSql.Provider.SqlServerForSystem.csproj
@@ -18,7 +18,7 @@
 		<SignAssembly>true</SignAssembly>
 		<AssemblyOriginatorKeyFile>key.snk</AssemblyOriginatorKeyFile>
 		<DelaySign>false</DelaySign>
-		<Version>3.2.688-preview20230216</Version>
+		<Version>3.2.688-preview20230223</Version>
 	</PropertyGroup>
 
 	<ItemGroup>
diff --git a/Providers/FreeSql.Provider.Sqlite/FreeSql.Provider.Sqlite.csproj b/Providers/FreeSql.Provider.Sqlite/FreeSql.Provider.Sqlite.csproj
index 0b1f9de3..b6a15b26 100644
--- a/Providers/FreeSql.Provider.Sqlite/FreeSql.Provider.Sqlite.csproj
+++ b/Providers/FreeSql.Provider.Sqlite/FreeSql.Provider.Sqlite.csproj
@@ -18,7 +18,7 @@
 		<SignAssembly>true</SignAssembly>
 		<AssemblyOriginatorKeyFile>key.snk</AssemblyOriginatorKeyFile>
 		<DelaySign>false</DelaySign>
-		<Version>3.2.688-preview20230216</Version>
+		<Version>3.2.688-preview20230223</Version>
 	</PropertyGroup>
 
 	<ItemGroup>
diff --git a/Providers/FreeSql.Provider.SqliteCore/FreeSql.Provider.SqliteCore.csproj b/Providers/FreeSql.Provider.SqliteCore/FreeSql.Provider.SqliteCore.csproj
index bed9643b..f9402d5e 100644
--- a/Providers/FreeSql.Provider.SqliteCore/FreeSql.Provider.SqliteCore.csproj
+++ b/Providers/FreeSql.Provider.SqliteCore/FreeSql.Provider.SqliteCore.csproj
@@ -18,7 +18,7 @@
         <SignAssembly>true</SignAssembly>
         <AssemblyOriginatorKeyFile>key.snk</AssemblyOriginatorKeyFile>
         <DelaySign>false</DelaySign>
-		<Version>3.2.688-preview20230216</Version>
+		<Version>3.2.688-preview20230223</Version>
     </PropertyGroup>
 
     <ItemGroup>