diff --git a/Examples/website/FreeSql.Site.DAL/DocumentTypeDAL.cs b/Examples/website/FreeSql.Site.DAL/DocumentTypeDAL.cs
index 9a6c2e11..a7c204fa 100644
--- a/Examples/website/FreeSql.Site.DAL/DocumentTypeDAL.cs
+++ b/Examples/website/FreeSql.Site.DAL/DocumentTypeDAL.cs
@@ -1,4 +1,5 @@
-using FreeSql.Site.Entity;
+//using FreeSql.Site.Entity;
+using FreeSql.Site.Entity;
 using System;
 using System.Collections.Generic;
 using System.Linq.Expressions;
diff --git a/Examples/website/FreeSql.Site.DAL/FreeSql.Site.DAL.csproj b/Examples/website/FreeSql.Site.DAL/FreeSql.Site.DAL.csproj
index 096a7646..62785d34 100644
--- a/Examples/website/FreeSql.Site.DAL/FreeSql.Site.DAL.csproj
+++ b/Examples/website/FreeSql.Site.DAL/FreeSql.Site.DAL.csproj
@@ -1,13 +1,12 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.1</TargetFramework>
+    <TargetFramework>netcoreapp2.2</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.Configuration" Version="2.2.0" />
-    <PackageReference Include="Microsoft.Extensions.Configuration.FileExtensions" Version="2.2.0" />
-    <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="2.2.0" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.FileExtensions" Version="2.1.0" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="2.1.0" />
     <PackageReference Include="Newtonsoft.Json" Version="12.0.1" />
   </ItemGroup>
 
diff --git a/Examples/website/FreeSql.Site.Entity/DocumentType.cs b/Examples/website/FreeSql.Site.Entity/DocumentType.cs
index 310c47c5..2f9f92e5 100644
--- a/Examples/website/FreeSql.Site.Entity/DocumentType.cs
+++ b/Examples/website/FreeSql.Site.Entity/DocumentType.cs
@@ -1,4 +1,5 @@
-using FreeSql.DataAnnotations;
+//using FreeSql.DataAnnotations;
+using FreeSql.DataAnnotations;
 using System;
 
 namespace FreeSql.Site.Entity
diff --git a/Examples/website/FreeSql.Site.Entity/FreeSql.Site.Entity.csproj b/Examples/website/FreeSql.Site.Entity/FreeSql.Site.Entity.csproj
index 5f3e382a..7716db12 100644
--- a/Examples/website/FreeSql.Site.Entity/FreeSql.Site.Entity.csproj
+++ b/Examples/website/FreeSql.Site.Entity/FreeSql.Site.Entity.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.1</TargetFramework>
+    <TargetFramework>netcoreapp2.2</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/Examples/website/FreeSql.Site.UI/Areas/Doc/Controllers/DocumentsController.cs b/Examples/website/FreeSql.Site.UI/Areas/Doc/Controllers/DocumentsController.cs
index f63c6f2d..31bacce1 100644
--- a/Examples/website/FreeSql.Site.UI/Areas/Doc/Controllers/DocumentsController.cs
+++ b/Examples/website/FreeSql.Site.UI/Areas/Doc/Controllers/DocumentsController.cs
@@ -14,6 +14,7 @@ namespace FreeSql.Site.UI.Areas.Doc.Controllers
         // GET: Documents
         public IActionResult Index()
         {
+           ViewBag.DocumentList = new FreeSql.Site.DAL.DocumentTypeDAL().Query(d => d.ID != 0);
             return View();
         }
 
diff --git a/Examples/website/FreeSql.Site.UI/Areas/Doc/Views/Documents/Index.cshtml b/Examples/website/FreeSql.Site.UI/Areas/Doc/Views/Documents/Index.cshtml
index 641b039a..6cbee870 100644
--- a/Examples/website/FreeSql.Site.UI/Areas/Doc/Views/Documents/Index.cshtml
+++ b/Examples/website/FreeSql.Site.UI/Areas/Doc/Views/Documents/Index.cshtml
@@ -5,31 +5,12 @@
     <div class="site-tree">
         <ul class="layui-tree">
             <li><h2>基础说明</h2></li>
-            <li class="site-tree-noicon">
-                <a href="#1"><cite>开始方法</cite></a>
-            </li>
-            <li class="site-tree-noicon">
-                <a href="#2"><cite>开始方法</cite></a>
-            </li>
-            <li class="site-tree-noicon">
-                <a href="#3"><cite>开始方法</cite></a>
-            </li>
-            <li class="site-tree-noicon">
-                <a href="#"><cite>开始方法</cite></a>
-            </li>
-            <li><h2>复杂应用</h2></li>
-            <li class="site-tree-noicon">
-                <a href="#"><cite>开始方法</cite></a>
-            </li>
-            <li class="site-tree-noicon">
-                <a href="#"><cite>开始方法</cite></a>
-            </li>
-            <li class="site-tree-noicon">
-                <a href="#"><cite>开始方法</cite></a>
-            </li>
-            <li class="site-tree-noicon">
-                <a href="#"><cite>开始方法</cite></a>
-            </li>
+            @foreach (var item in (List<FreeSql.Site.Entity.DocumentType>)ViewBag.DocumentList)
+            {
+                <li class="site-tree-noicon">
+                    <a href="#1"><cite>@item.TypeName</cite></a>
+                </li>
+            }
         </ul>
     </div>
     <div class="site-content">
diff --git a/Examples/website/FreeSql.Site.UI/FreeSql.Site.UI.csproj b/Examples/website/FreeSql.Site.UI/FreeSql.Site.UI.csproj
index f1b80090..f1aa89c0 100644
--- a/Examples/website/FreeSql.Site.UI/FreeSql.Site.UI.csproj
+++ b/Examples/website/FreeSql.Site.UI/FreeSql.Site.UI.csproj
@@ -1,12 +1,11 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.1</TargetFramework>
+    <TargetFramework>netcoreapp2.2</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.App" />
-    <PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="2.1.1" />
   </ItemGroup>
 
   <ItemGroup>
@@ -17,6 +16,11 @@
     <Folder Include="Areas\Example\Models\" />
   </ItemGroup>
 
+  <ItemGroup>
+    <ProjectReference Include="..\FreeSql.Site.DAL\FreeSql.Site.DAL.csproj" />
+    <ProjectReference Include="..\FreeSql.Site.Entity\FreeSql.Site.Entity.csproj" />
+  </ItemGroup>
+
   <ItemGroup>
     <Content Update="Areas\BBS\_ViewStart.cshtml">
       <Pack>$(IncludeRazorContentInPack)</Pack>
diff --git a/FreeSql.sln b/FreeSql.sln
index d7a0c69c..bf3567df 100644
--- a/FreeSql.sln
+++ b/FreeSql.sln
@@ -25,11 +25,11 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Examples", "Examples", "{49
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "website", "website", "{A42B81B8-550F-4A57-9C0D-BF1F565F9C0B}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FreeSql.Site.DAL", "Examples\website\FreeSql.Site.DAL\FreeSql.Site.DAL.csproj", "{ADE34300-CB28-4EE9-8BC3-E2D95A4F4901}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "FreeSql.Site.UI", "Examples\website\FreeSql.Site.UI\FreeSql.Site.UI.csproj", "{6B896261-1204-4AC3-AAD6-6BE49CDFF116}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FreeSql.Site.Entity", "Examples\website\FreeSql.Site.Entity\FreeSql.Site.Entity.csproj", "{EB34E83B-4E34-4293-BA1A-8A5B99272EB0}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "FreeSql.Site.Entity", "Examples\website\FreeSql.Site.Entity\FreeSql.Site.Entity.csproj", "{1ED1539C-5229-443C-9CEE-F4D22CCD54D2}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FreeSql.Site.UI", "Examples\website\FreeSql.Site.UI\FreeSql.Site.UI.csproj", "{503A48B4-E31E-4708-9D27-0BE87F7FEEC8}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "FreeSql.Site.DAL", "Examples\website\FreeSql.Site.DAL\FreeSql.Site.DAL.csproj", "{3F50F8D4-FC41-40A3-8D45-CB915C5406F3}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -77,51 +77,51 @@ Global
 		{6DC39740-0B26-4029-AB75-D436A7F666A2}.Release|x64.Build.0 = Release|Any CPU
 		{6DC39740-0B26-4029-AB75-D436A7F666A2}.Release|x86.ActiveCfg = Release|Any CPU
 		{6DC39740-0B26-4029-AB75-D436A7F666A2}.Release|x86.Build.0 = Release|Any CPU
-		{ADE34300-CB28-4EE9-8BC3-E2D95A4F4901}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{ADE34300-CB28-4EE9-8BC3-E2D95A4F4901}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{ADE34300-CB28-4EE9-8BC3-E2D95A4F4901}.Debug|x64.ActiveCfg = Debug|Any CPU
-		{ADE34300-CB28-4EE9-8BC3-E2D95A4F4901}.Debug|x64.Build.0 = Debug|Any CPU
-		{ADE34300-CB28-4EE9-8BC3-E2D95A4F4901}.Debug|x86.ActiveCfg = Debug|Any CPU
-		{ADE34300-CB28-4EE9-8BC3-E2D95A4F4901}.Debug|x86.Build.0 = Debug|Any CPU
-		{ADE34300-CB28-4EE9-8BC3-E2D95A4F4901}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{ADE34300-CB28-4EE9-8BC3-E2D95A4F4901}.Release|Any CPU.Build.0 = Release|Any CPU
-		{ADE34300-CB28-4EE9-8BC3-E2D95A4F4901}.Release|x64.ActiveCfg = Release|Any CPU
-		{ADE34300-CB28-4EE9-8BC3-E2D95A4F4901}.Release|x64.Build.0 = Release|Any CPU
-		{ADE34300-CB28-4EE9-8BC3-E2D95A4F4901}.Release|x86.ActiveCfg = Release|Any CPU
-		{ADE34300-CB28-4EE9-8BC3-E2D95A4F4901}.Release|x86.Build.0 = Release|Any CPU
-		{EB34E83B-4E34-4293-BA1A-8A5B99272EB0}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{EB34E83B-4E34-4293-BA1A-8A5B99272EB0}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{EB34E83B-4E34-4293-BA1A-8A5B99272EB0}.Debug|x64.ActiveCfg = Debug|Any CPU
-		{EB34E83B-4E34-4293-BA1A-8A5B99272EB0}.Debug|x64.Build.0 = Debug|Any CPU
-		{EB34E83B-4E34-4293-BA1A-8A5B99272EB0}.Debug|x86.ActiveCfg = Debug|Any CPU
-		{EB34E83B-4E34-4293-BA1A-8A5B99272EB0}.Debug|x86.Build.0 = Debug|Any CPU
-		{EB34E83B-4E34-4293-BA1A-8A5B99272EB0}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{EB34E83B-4E34-4293-BA1A-8A5B99272EB0}.Release|Any CPU.Build.0 = Release|Any CPU
-		{EB34E83B-4E34-4293-BA1A-8A5B99272EB0}.Release|x64.ActiveCfg = Release|Any CPU
-		{EB34E83B-4E34-4293-BA1A-8A5B99272EB0}.Release|x64.Build.0 = Release|Any CPU
-		{EB34E83B-4E34-4293-BA1A-8A5B99272EB0}.Release|x86.ActiveCfg = Release|Any CPU
-		{EB34E83B-4E34-4293-BA1A-8A5B99272EB0}.Release|x86.Build.0 = Release|Any CPU
-		{503A48B4-E31E-4708-9D27-0BE87F7FEEC8}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{503A48B4-E31E-4708-9D27-0BE87F7FEEC8}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{503A48B4-E31E-4708-9D27-0BE87F7FEEC8}.Debug|x64.ActiveCfg = Debug|Any CPU
-		{503A48B4-E31E-4708-9D27-0BE87F7FEEC8}.Debug|x64.Build.0 = Debug|Any CPU
-		{503A48B4-E31E-4708-9D27-0BE87F7FEEC8}.Debug|x86.ActiveCfg = Debug|Any CPU
-		{503A48B4-E31E-4708-9D27-0BE87F7FEEC8}.Debug|x86.Build.0 = Debug|Any CPU
-		{503A48B4-E31E-4708-9D27-0BE87F7FEEC8}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{503A48B4-E31E-4708-9D27-0BE87F7FEEC8}.Release|Any CPU.Build.0 = Release|Any CPU
-		{503A48B4-E31E-4708-9D27-0BE87F7FEEC8}.Release|x64.ActiveCfg = Release|Any CPU
-		{503A48B4-E31E-4708-9D27-0BE87F7FEEC8}.Release|x64.Build.0 = Release|Any CPU
-		{503A48B4-E31E-4708-9D27-0BE87F7FEEC8}.Release|x86.ActiveCfg = Release|Any CPU
-		{503A48B4-E31E-4708-9D27-0BE87F7FEEC8}.Release|x86.Build.0 = Release|Any CPU
+		{6B896261-1204-4AC3-AAD6-6BE49CDFF116}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{6B896261-1204-4AC3-AAD6-6BE49CDFF116}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{6B896261-1204-4AC3-AAD6-6BE49CDFF116}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{6B896261-1204-4AC3-AAD6-6BE49CDFF116}.Debug|x64.Build.0 = Debug|Any CPU
+		{6B896261-1204-4AC3-AAD6-6BE49CDFF116}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{6B896261-1204-4AC3-AAD6-6BE49CDFF116}.Debug|x86.Build.0 = Debug|Any CPU
+		{6B896261-1204-4AC3-AAD6-6BE49CDFF116}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{6B896261-1204-4AC3-AAD6-6BE49CDFF116}.Release|Any CPU.Build.0 = Release|Any CPU
+		{6B896261-1204-4AC3-AAD6-6BE49CDFF116}.Release|x64.ActiveCfg = Release|Any CPU
+		{6B896261-1204-4AC3-AAD6-6BE49CDFF116}.Release|x64.Build.0 = Release|Any CPU
+		{6B896261-1204-4AC3-AAD6-6BE49CDFF116}.Release|x86.ActiveCfg = Release|Any CPU
+		{6B896261-1204-4AC3-AAD6-6BE49CDFF116}.Release|x86.Build.0 = Release|Any CPU
+		{1ED1539C-5229-443C-9CEE-F4D22CCD54D2}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{1ED1539C-5229-443C-9CEE-F4D22CCD54D2}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{1ED1539C-5229-443C-9CEE-F4D22CCD54D2}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{1ED1539C-5229-443C-9CEE-F4D22CCD54D2}.Debug|x64.Build.0 = Debug|Any CPU
+		{1ED1539C-5229-443C-9CEE-F4D22CCD54D2}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{1ED1539C-5229-443C-9CEE-F4D22CCD54D2}.Debug|x86.Build.0 = Debug|Any CPU
+		{1ED1539C-5229-443C-9CEE-F4D22CCD54D2}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{1ED1539C-5229-443C-9CEE-F4D22CCD54D2}.Release|Any CPU.Build.0 = Release|Any CPU
+		{1ED1539C-5229-443C-9CEE-F4D22CCD54D2}.Release|x64.ActiveCfg = Release|Any CPU
+		{1ED1539C-5229-443C-9CEE-F4D22CCD54D2}.Release|x64.Build.0 = Release|Any CPU
+		{1ED1539C-5229-443C-9CEE-F4D22CCD54D2}.Release|x86.ActiveCfg = Release|Any CPU
+		{1ED1539C-5229-443C-9CEE-F4D22CCD54D2}.Release|x86.Build.0 = Release|Any CPU
+		{3F50F8D4-FC41-40A3-8D45-CB915C5406F3}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{3F50F8D4-FC41-40A3-8D45-CB915C5406F3}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{3F50F8D4-FC41-40A3-8D45-CB915C5406F3}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{3F50F8D4-FC41-40A3-8D45-CB915C5406F3}.Debug|x64.Build.0 = Debug|Any CPU
+		{3F50F8D4-FC41-40A3-8D45-CB915C5406F3}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{3F50F8D4-FC41-40A3-8D45-CB915C5406F3}.Debug|x86.Build.0 = Debug|Any CPU
+		{3F50F8D4-FC41-40A3-8D45-CB915C5406F3}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{3F50F8D4-FC41-40A3-8D45-CB915C5406F3}.Release|Any CPU.Build.0 = Release|Any CPU
+		{3F50F8D4-FC41-40A3-8D45-CB915C5406F3}.Release|x64.ActiveCfg = Release|Any CPU
+		{3F50F8D4-FC41-40A3-8D45-CB915C5406F3}.Release|x64.Build.0 = Release|Any CPU
+		{3F50F8D4-FC41-40A3-8D45-CB915C5406F3}.Release|x86.ActiveCfg = Release|Any CPU
+		{3F50F8D4-FC41-40A3-8D45-CB915C5406F3}.Release|x86.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
 	EndGlobalSection
 	GlobalSection(NestedProjects) = preSolution
 		{A42B81B8-550F-4A57-9C0D-BF1F565F9C0B} = {492E3483-3DE2-4134-B481-9AE838B231FA}
-		{ADE34300-CB28-4EE9-8BC3-E2D95A4F4901} = {A42B81B8-550F-4A57-9C0D-BF1F565F9C0B}
-		{EB34E83B-4E34-4293-BA1A-8A5B99272EB0} = {A42B81B8-550F-4A57-9C0D-BF1F565F9C0B}
-		{503A48B4-E31E-4708-9D27-0BE87F7FEEC8} = {A42B81B8-550F-4A57-9C0D-BF1F565F9C0B}
+		{6B896261-1204-4AC3-AAD6-6BE49CDFF116} = {A42B81B8-550F-4A57-9C0D-BF1F565F9C0B}
+		{1ED1539C-5229-443C-9CEE-F4D22CCD54D2} = {A42B81B8-550F-4A57-9C0D-BF1F565F9C0B}
+		{3F50F8D4-FC41-40A3-8D45-CB915C5406F3} = {A42B81B8-550F-4A57-9C0D-BF1F565F9C0B}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {089687FD-5D25-40AB-BA8A-A10D1E137F98}