diff --git a/Extensions/FreeSql.Extensions.BaseEntity/FreeSql.Extensions.BaseEntity.csproj b/Extensions/FreeSql.Extensions.BaseEntity/FreeSql.Extensions.BaseEntity.csproj
index 1949f368..2e15dbda 100644
--- a/Extensions/FreeSql.Extensions.BaseEntity/FreeSql.Extensions.BaseEntity.csproj
+++ b/Extensions/FreeSql.Extensions.BaseEntity/FreeSql.Extensions.BaseEntity.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <TargetFrameworks>netcoreapp31;netcoreapp21;net4.0;</TargetFrameworks>
-    <Version>1.4.0-preview0420</Version>
+    <Version>1.4.0-preview0421</Version>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
     <Authors>YeXiangQin</Authors>
     <Description>BaseEntity 是一种极简单的 CodeFirst 开发方式，特别对单表或多表CRUD，利用继承节省了每个实体类的重复属性（创建时间、ID等字段），软件删除等功能，进行 crud 操作时不必时常考虑仓储的使用.</Description>
diff --git a/Extensions/FreeSql.Extensions.JsonMap/FreeSql.Extensions.JsonMap.csproj b/Extensions/FreeSql.Extensions.JsonMap/FreeSql.Extensions.JsonMap.csproj
index 09e4604c..a3bb187d 100644
--- a/Extensions/FreeSql.Extensions.JsonMap/FreeSql.Extensions.JsonMap.csproj
+++ b/Extensions/FreeSql.Extensions.JsonMap/FreeSql.Extensions.JsonMap.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <TargetFrameworks>netstandard2.0;net45;net40</TargetFrameworks>
-    <Version>1.4.0-preview0420</Version>
+    <Version>1.4.0-preview0421</Version>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
     <Authors>YeXiangQin</Authors>
     <Description>FreeSql 扩展包，可实现实体类属性为对象时，以JSON形式映射存储.</Description>
diff --git a/Extensions/FreeSql.Extensions.LazyLoading/FreeSql.Extensions.LazyLoading.csproj b/Extensions/FreeSql.Extensions.LazyLoading/FreeSql.Extensions.LazyLoading.csproj
index 21cc649e..d16e8f26 100644
--- a/Extensions/FreeSql.Extensions.LazyLoading/FreeSql.Extensions.LazyLoading.csproj
+++ b/Extensions/FreeSql.Extensions.LazyLoading/FreeSql.Extensions.LazyLoading.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <TargetFrameworks>netstandard2.0;netstandard2.1;net45;net40</TargetFrameworks>
-    <Version>1.4.0-preview0420</Version>
+    <Version>1.4.0-preview0421</Version>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
     <Authors>YeXiangQin</Authors>
     <Description>FreeSql 扩展包，可实现【延时加载】属性.</Description>
diff --git a/Extensions/FreeSql.Extensions.Linq/FreeSql.Extensions.Linq.csproj b/Extensions/FreeSql.Extensions.Linq/FreeSql.Extensions.Linq.csproj
index 580d176c..c2d858c7 100644
--- a/Extensions/FreeSql.Extensions.Linq/FreeSql.Extensions.Linq.csproj
+++ b/Extensions/FreeSql.Extensions.Linq/FreeSql.Extensions.Linq.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <TargetFrameworks>netstandard2.0;net45;net40</TargetFrameworks>
-    <Version>1.4.0-preview0420</Version>
+    <Version>1.4.0-preview0421</Version>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
     <Authors>YeXiangQin</Authors>
     <Description>FreeSql 扩展包，实现 linq queryable 和 linq to sql 语法进行开发.</Description>
diff --git a/Extensions/FreeSql.Generator/FreeSql.Generator.csproj b/Extensions/FreeSql.Generator/FreeSql.Generator.csproj
index 025acc6c..f09425ed 100644
--- a/Extensions/FreeSql.Generator/FreeSql.Generator.csproj
+++ b/Extensions/FreeSql.Generator/FreeSql.Generator.csproj
@@ -12,7 +12,7 @@
     <Description>使用 FreeSql 快速生成数据库的实体类，安装：dotnet tool install -g FreeSql.Generator</Description>
     <PackageProjectUrl>https://github.com/2881099/FreeSql</PackageProjectUrl>
     <RepositoryUrl>https://github.com/2881099/FreeSql</RepositoryUrl>
-    <Version>1.4.0-preview0420</Version>
+    <Version>1.4.0-preview0421</Version>
     <PackageTags>FreeSql DbFirst 实体生成器</PackageTags>
   </PropertyGroup>
 
diff --git a/FreeSql.All/FreeSql.All.csproj b/FreeSql.All/FreeSql.All.csproj
index af5afb66..791ada35 100644
--- a/FreeSql.All/FreeSql.All.csproj
+++ b/FreeSql.All/FreeSql.All.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <TargetFrameworks>netstandard2.0;net45;net40</TargetFrameworks>
-    <Version>1.4.0-preview0420</Version>
+    <Version>1.4.0-preview0421</Version>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
     <Authors>YeXiangQin</Authors>
     <Description>FreeSql 全家桶，懒人专用</Description>
diff --git a/FreeSql.DbContext/FreeSql.DbContext.csproj b/FreeSql.DbContext/FreeSql.DbContext.csproj
index b3d819f7..daa0c815 100644
--- a/FreeSql.DbContext/FreeSql.DbContext.csproj
+++ b/FreeSql.DbContext/FreeSql.DbContext.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <TargetFrameworks>netstandard2.0;netcoreapp31;netcoreapp30;netcoreapp22;netcoreapp21;net45;net40</TargetFrameworks>
-    <Version>1.4.0-preview0420</Version>
+    <Version>1.4.0-preview0421</Version>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
     <Authors>YeXiangQin</Authors>
     <Description>FreeSql is the ORM in .NetCore, .NetFramework, And Xamarin. It supports Mysql, Postgresql, SqlServer, Oracle, Sqlite, Odbc, 达梦, And Access</Description>
diff --git a/FreeSql.DbContext/FreeSql.DbContext.xml b/FreeSql.DbContext/FreeSql.DbContext.xml
index 38667865..67ccde2b 100644
--- a/FreeSql.DbContext/FreeSql.DbContext.xml
+++ b/FreeSql.DbContext/FreeSql.DbContext.xml
@@ -120,13 +120,6 @@
             清空状态数据
             </summary>
         </member>
-        <member name="M:FreeSql.DbSet`1.RemoveAsync(System.Linq.Expressions.Expression{System.Func{`0,System.Boolean}})">
-            <summary>
-            根据 lambda 条件删除数据
-            </summary>
-            <param name="predicate"></param>
-            <returns></returns>
-        </member>
         <member name="M:FreeSql.DbSet`1.Add(`0)">
             <summary>
             添加
diff --git a/FreeSql.Repository/FreeSql.Repository.csproj b/FreeSql.Repository/FreeSql.Repository.csproj
index f5244d54..c9367361 100644
--- a/FreeSql.Repository/FreeSql.Repository.csproj
+++ b/FreeSql.Repository/FreeSql.Repository.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <TargetFrameworks>netstandard2.0;netcoreapp31;netcoreapp30;netcoreapp22;netcoreapp21;net45;net40</TargetFrameworks>
-    <Version>1.4.0-preview0420</Version>
+    <Version>1.4.0-preview0421</Version>
     <Authors>YeXiangQin</Authors>
     <Description>FreeSql Implementation of General Repository, Support MySql/SqlServer/PostgreSQL/Oracle/Sqlite/达梦/Access, and read/write separation、and split table.</Description>
     <PackageProjectUrl>https://github.com/2881099/FreeSql/wiki/Repository</PackageProjectUrl>
diff --git a/FreeSql/FreeSql.csproj b/FreeSql/FreeSql.csproj
index 9ff421f7..c136f69c 100644
--- a/FreeSql/FreeSql.csproj
+++ b/FreeSql/FreeSql.csproj
@@ -2,7 +2,7 @@
 
 	<PropertyGroup>
 		<TargetFrameworks>netstandard2.0;net45;net40</TargetFrameworks>
-		<Version>1.4.0-preview0420</Version>
+		<Version>1.4.0-preview0421</Version>
 		<GeneratePackageOnBuild>true</GeneratePackageOnBuild>
 		<Authors>YeXiangQin</Authors>
 		<Description>FreeSql is the ORM in .NetCore, .NetFramework, And Xamarin. It supports Mysql, Postgresql, SqlServer, Oracle, Sqlite, Odbc, 达梦, And Access</Description>
diff --git a/Providers/FreeSql.Provider.Dameng/FreeSql.Provider.Dameng.csproj b/Providers/FreeSql.Provider.Dameng/FreeSql.Provider.Dameng.csproj
index 60362d27..949070e3 100644
--- a/Providers/FreeSql.Provider.Dameng/FreeSql.Provider.Dameng.csproj
+++ b/Providers/FreeSql.Provider.Dameng/FreeSql.Provider.Dameng.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <TargetFrameworks>netstandard2.0;net45;net40</TargetFrameworks>
-    <Version>1.4.0-preview0420</Version>
+    <Version>1.4.0-preview0421</Version>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
     <Authors>YeXiangQin</Authors>
     <Description>FreeSql 数据库实现，基于 达梦数据库 Ado.net (DmProvider)</Description>
diff --git a/Providers/FreeSql.Provider.MsAccess/FreeSql.Provider.MsAccess.csproj b/Providers/FreeSql.Provider.MsAccess/FreeSql.Provider.MsAccess.csproj
index 4776a3a5..31b78cc5 100644
--- a/Providers/FreeSql.Provider.MsAccess/FreeSql.Provider.MsAccess.csproj
+++ b/Providers/FreeSql.Provider.MsAccess/FreeSql.Provider.MsAccess.csproj
@@ -2,7 +2,7 @@
 
 	<PropertyGroup>
 		<TargetFrameworks>netstandard2.0;net45;net40</TargetFrameworks>
-		<Version>1.4.0-preview0420</Version>
+		<Version>1.4.0-preview0421</Version>
 		<GeneratePackageOnBuild>true</GeneratePackageOnBuild>
 		<Authors>YeXiangQin</Authors>
 		<Description>FreeSql 数据库 Ms Access 实现</Description>
diff --git a/Providers/FreeSql.Provider.MySql/FreeSql.Provider.MySql.csproj b/Providers/FreeSql.Provider.MySql/FreeSql.Provider.MySql.csproj
index b88cacd1..18351c31 100644
--- a/Providers/FreeSql.Provider.MySql/FreeSql.Provider.MySql.csproj
+++ b/Providers/FreeSql.Provider.MySql/FreeSql.Provider.MySql.csproj
@@ -2,7 +2,7 @@
 
 	<PropertyGroup>
 		<TargetFrameworks>netstandard2.0;net452;net451;net45;net40</TargetFrameworks>
-		<Version>1.4.0-preview0420</Version>
+		<Version>1.4.0-preview0421</Version>
 		<GeneratePackageOnBuild>true</GeneratePackageOnBuild>
 		<Authors>YeXiangQin</Authors>
 		<Description>FreeSql 数据库实现，基于 MySql 5.6，Ado.Net 驱动是 MySql.Data（Oracle官方）</Description>
diff --git a/Providers/FreeSql.Provider.MySqlConnector/FreeSql.Provider.MySqlConnector.csproj b/Providers/FreeSql.Provider.MySqlConnector/FreeSql.Provider.MySqlConnector.csproj
index ef03faa4..fde70db8 100644
--- a/Providers/FreeSql.Provider.MySqlConnector/FreeSql.Provider.MySqlConnector.csproj
+++ b/Providers/FreeSql.Provider.MySqlConnector/FreeSql.Provider.MySqlConnector.csproj
@@ -2,7 +2,7 @@
 
 	<PropertyGroup>
 		<TargetFrameworks>netstandard2.0;net45</TargetFrameworks>
-		<Version>1.4.0-preview0420</Version>
+		<Version>1.4.0-preview0421</Version>
 		<GeneratePackageOnBuild>true</GeneratePackageOnBuild>
 		<Authors>YeXiangQin</Authors>
 		<Description>FreeSql 数据库实现，基于 MySql 5.6，Ado.Net 驱动是 MySqlConnector</Description>
diff --git a/Providers/FreeSql.Provider.Odbc/FreeSql.Provider.Odbc.csproj b/Providers/FreeSql.Provider.Odbc/FreeSql.Provider.Odbc.csproj
index 755c34ef..08629899 100644
--- a/Providers/FreeSql.Provider.Odbc/FreeSql.Provider.Odbc.csproj
+++ b/Providers/FreeSql.Provider.Odbc/FreeSql.Provider.Odbc.csproj
@@ -2,7 +2,7 @@
 
 	<PropertyGroup>
 		<TargetFrameworks>netstandard2.0;net45;net40</TargetFrameworks>
-		<Version>1.4.0-preview0420</Version>
+		<Version>1.4.0-preview0421</Version>
 		<GeneratePackageOnBuild>true</GeneratePackageOnBuild>
 		<Authors>YeXiangQin</Authors>
 		<Description>FreeSql 数据库 Odbc 实现，基于 {Oracle}、{SQL Server}、{MySQL ODBC 8.0 Unicode Driver}、{PostgreSQL Unicode(x64)}、{DM8 ODBC Driver} 专用访问实现，以及通用 Odbc 访问所有数据库</Description>
diff --git a/Providers/FreeSql.Provider.Oracle/FreeSql.Provider.Oracle.csproj b/Providers/FreeSql.Provider.Oracle/FreeSql.Provider.Oracle.csproj
index ac8c9d25..8fd16846 100644
--- a/Providers/FreeSql.Provider.Oracle/FreeSql.Provider.Oracle.csproj
+++ b/Providers/FreeSql.Provider.Oracle/FreeSql.Provider.Oracle.csproj
@@ -2,7 +2,7 @@
 
 	<PropertyGroup>
 		<TargetFrameworks>netstandard2.0;net45;net40</TargetFrameworks>
-		<Version>1.4.0-preview0420</Version>
+		<Version>1.4.0-preview0421</Version>
 		<GeneratePackageOnBuild>true</GeneratePackageOnBuild>
 		<Authors>YeXiangQin</Authors>
 		<Description>FreeSql 数据库实现，基于 Oracle 11</Description>
diff --git a/Providers/FreeSql.Provider.PostgreSQL/FreeSql.Provider.PostgreSQL.csproj b/Providers/FreeSql.Provider.PostgreSQL/FreeSql.Provider.PostgreSQL.csproj
index bdec4ff7..e185785d 100644
--- a/Providers/FreeSql.Provider.PostgreSQL/FreeSql.Provider.PostgreSQL.csproj
+++ b/Providers/FreeSql.Provider.PostgreSQL/FreeSql.Provider.PostgreSQL.csproj
@@ -2,7 +2,7 @@
 
 	<PropertyGroup>
 		<TargetFrameworks>netstandard2.0;net461;net452;net451;net45</TargetFrameworks>
-		<Version>1.4.0-preview0420</Version>
+		<Version>1.4.0-preview0421</Version>
 		<GeneratePackageOnBuild>true</GeneratePackageOnBuild>
 		<Authors>YeXiangQin</Authors>
 		<Description>FreeSql 数据库实现，基于 PostgreSQL 9.5</Description>
diff --git a/Providers/FreeSql.Provider.SqlServer/FreeSql.Provider.SqlServer.csproj b/Providers/FreeSql.Provider.SqlServer/FreeSql.Provider.SqlServer.csproj
index 86a51985..d85158b6 100644
--- a/Providers/FreeSql.Provider.SqlServer/FreeSql.Provider.SqlServer.csproj
+++ b/Providers/FreeSql.Provider.SqlServer/FreeSql.Provider.SqlServer.csproj
@@ -2,7 +2,7 @@
 
 	<PropertyGroup>
 		<TargetFrameworks>netstandard2.0;net451;net45;net40</TargetFrameworks>
-		<Version>1.4.0-preview0420</Version>
+		<Version>1.4.0-preview0421</Version>
 		<GeneratePackageOnBuild>true</GeneratePackageOnBuild>
 		<Authors>YeXiangQin</Authors>
 		<Description>FreeSql 数据库实现，基于 SqlServer 2005+，并根据版本适配分页方法：row_number 或 offset fetch next</Description>
diff --git a/Providers/FreeSql.Provider.Sqlite/FreeSql.Provider.Sqlite.csproj b/Providers/FreeSql.Provider.Sqlite/FreeSql.Provider.Sqlite.csproj
index 9942a29d..986b6ece 100644
--- a/Providers/FreeSql.Provider.Sqlite/FreeSql.Provider.Sqlite.csproj
+++ b/Providers/FreeSql.Provider.Sqlite/FreeSql.Provider.Sqlite.csproj
@@ -2,7 +2,7 @@
 
 	<PropertyGroup>
 		<TargetFrameworks>netstandard2.0;net45;net40</TargetFrameworks>
-		<Version>1.4.0-preview0420</Version>
+		<Version>1.4.0-preview0421</Version>
 		<GeneratePackageOnBuild>true</GeneratePackageOnBuild>
 		<Authors>YeXiangQin</Authors>
 		<Description>FreeSql 数据库实现，基于 Sqlite 3.0，支持 .NetCore、.NetFramework、Xamarin</Description>