diff --git a/Volo.Abp.sln b/Volo.Abp.sln
index 1e82424903..f1c1588f55 100644
--- a/Volo.Abp.sln
+++ b/Volo.Abp.sln
@@ -1,7 +1,7 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 15
-VisualStudioVersion = 15.0.27130.2010
+VisualStudioVersion = 15.0.27130.0
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "src", "src", "{5DF0E140-0513-4D0D-BE2E-3D4D85CD70E6}"
 EndProject
@@ -202,6 +202,12 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Volo.Abp.UI.Navigation", "s
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Volo.Abp.UI.Navigation.Tests", "test\Volo.Abp.UI.Navigation.Tests\Volo.Abp.UI.Navigation.Tests.csproj", "{975056D6-0B2D-43BA-9BF8-0E937581F873}"
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Abp.IdentityServer", "Abp.IdentityServer", "{324B920F-5BBA-46D8-BDC6-E1FA5EFE3733}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Volo.Abp.IdentityServer.Domain", "src\Volo.Abp.IdentityServer.Domain\Volo.Abp.IdentityServer.Domain.csproj", "{210B1A21-CBC8-423D-9C69-3E63569F2C43}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Volo.Abp.IdentityServer.EntityFrameworkCore", "src\Volo.Abp.IdentityServer.EntityFrameworkCore\Volo.Abp.IdentityServer.EntityFrameworkCore.csproj", "{8D891D68-7859-477D-BE78-99258B8B1E86}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -540,6 +546,14 @@ Global
 		{975056D6-0B2D-43BA-9BF8-0E937581F873}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{975056D6-0B2D-43BA-9BF8-0E937581F873}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{975056D6-0B2D-43BA-9BF8-0E937581F873}.Release|Any CPU.Build.0 = Release|Any CPU
+		{210B1A21-CBC8-423D-9C69-3E63569F2C43}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{210B1A21-CBC8-423D-9C69-3E63569F2C43}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{210B1A21-CBC8-423D-9C69-3E63569F2C43}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{210B1A21-CBC8-423D-9C69-3E63569F2C43}.Release|Any CPU.Build.0 = Release|Any CPU
+		{8D891D68-7859-477D-BE78-99258B8B1E86}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{8D891D68-7859-477D-BE78-99258B8B1E86}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{8D891D68-7859-477D-BE78-99258B8B1E86}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{8D891D68-7859-477D-BE78-99258B8B1E86}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -637,6 +651,9 @@ Global
 		{4AFAFAF8-06FB-48D4-AFA6-B32215584E96} = {4C753F64-0C93-4D65-96C2-A40893AFC1E8}
 		{6F80DD0F-D91C-4A69-A20E-BB687036EFA8} = {4C753F64-0C93-4D65-96C2-A40893AFC1E8}
 		{975056D6-0B2D-43BA-9BF8-0E937581F873} = {37087D1B-3693-4E96-983D-A69F210BDE53}
+		{324B920F-5BBA-46D8-BDC6-E1FA5EFE3733} = {5DF0E140-0513-4D0D-BE2E-3D4D85CD70E6}
+		{210B1A21-CBC8-423D-9C69-3E63569F2C43} = {324B920F-5BBA-46D8-BDC6-E1FA5EFE3733}
+		{8D891D68-7859-477D-BE78-99258B8B1E86} = {324B920F-5BBA-46D8-BDC6-E1FA5EFE3733}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {BB97ECF4-9A84-433F-A80B-2A3285BDD1D5}
diff --git a/src/Volo.Abp.Ddd/Volo.Abp.Ddd.csproj.DotSettings b/src/Volo.Abp.Ddd/Volo.Abp.Ddd.csproj.DotSettings
new file mode 100644
index 0000000000..58ad6c8854
--- /dev/null
+++ b/src/Volo.Abp.Ddd/Volo.Abp.Ddd.csproj.DotSettings
@@ -0,0 +1,2 @@
+<wpf:ResourceDictionary xml:space="preserve" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:s="clr-namespace:System;assembly=mscorlib" xmlns:ss="urn:shemas-jetbrains-com:settings-storage-xaml" xmlns:wpf="http://schemas.microsoft.com/winfx/2006/xaml/presentation">
+	<s:String x:Key="/Default/CodeInspection/CSharpLanguageProject/LanguageLevel/@EntryValue">CSharp71</s:String></wpf:ResourceDictionary>
\ No newline at end of file
diff --git a/src/Volo.Abp.IdentityServer.Domain/Volo.Abp.IdentityServer.Domain.csproj b/src/Volo.Abp.IdentityServer.Domain/Volo.Abp.IdentityServer.Domain.csproj
new file mode 100644
index 0000000000..969f8bb710
--- /dev/null
+++ b/src/Volo.Abp.IdentityServer.Domain/Volo.Abp.IdentityServer.Domain.csproj
@@ -0,0 +1,30 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <Import Project="..\..\common.props" />
+
+  <PropertyGroup>
+    <TargetFramework>netstandard2.0</TargetFramework>
+    <AssemblyName>Volo.Abp.IdentityServer.Domain</AssemblyName>
+    <PackageId>Volo.Abp.IdentityServer.Domain</PackageId>
+    <AssetTargetFallback>$(AssetTargetFallback);portable-net45+win8+wp8+wpa81;</AssetTargetFallback>
+    <GenerateAssemblyConfigurationAttribute>false</GenerateAssemblyConfigurationAttribute>
+    <GenerateAssemblyCompanyAttribute>false</GenerateAssemblyCompanyAttribute>
+    <GenerateAssemblyProductAttribute>false</GenerateAssemblyProductAttribute>
+    <RootNamespace />
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\Volo.Abp.Ddd\Volo.Abp.Ddd.csproj" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="IdentityServer4" Version="2.0.5" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Folder Include="Volo\Abp\IdentityServer\Clients\" />
+    <Folder Include="Volo\Abp\IdentityServer\ApiResources\" />
+    <Folder Include="Volo\Abp\IdentityServer\IdentityResources\" />
+  </ItemGroup>
+
+</Project>
diff --git a/src/Volo.Abp.IdentityServer.Domain/Volo/Abp/IdentityServer/AbpIdentityServerModule.cs b/src/Volo.Abp.IdentityServer.Domain/Volo/Abp/IdentityServer/AbpIdentityServerModule.cs
new file mode 100644
index 0000000000..8eb91ab176
--- /dev/null
+++ b/src/Volo.Abp.IdentityServer.Domain/Volo/Abp/IdentityServer/AbpIdentityServerModule.cs
@@ -0,0 +1,13 @@
+using Microsoft.Extensions.DependencyInjection;
+using Volo.Abp.Modularity;
+
+namespace Volo.Abp.IdentityServer
+{
+    public class AbpIdentityServerModule : AbpModule
+    {
+        public override void ConfigureServices(IServiceCollection services)
+        {
+            services.AddAssemblyOf<AbpIdentityServerModule>();
+        }
+    }
+}
diff --git a/src/Volo.Abp.IdentityServer.EntityFrameworkCore/Volo.Abp.IdentityServer.EntityFrameworkCore.csproj b/src/Volo.Abp.IdentityServer.EntityFrameworkCore/Volo.Abp.IdentityServer.EntityFrameworkCore.csproj
new file mode 100644
index 0000000000..70e0258eb7
--- /dev/null
+++ b/src/Volo.Abp.IdentityServer.EntityFrameworkCore/Volo.Abp.IdentityServer.EntityFrameworkCore.csproj
@@ -0,0 +1,20 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <Import Project="..\..\common.props" />
+
+  <PropertyGroup>
+    <TargetFramework>netstandard2.0</TargetFramework>
+    <AssemblyName>Volo.Abp.IdentityServer.EntityFrameworkCore</AssemblyName>
+    <PackageId>Volo.Abp.IdentityServer.EntityFrameworkCore</PackageId>
+    <AssetTargetFallback>$(AssetTargetFallback);portable-net45+win8+wp8+wpa81;</AssetTargetFallback>
+    <GenerateAssemblyConfigurationAttribute>false</GenerateAssemblyConfigurationAttribute>
+    <GenerateAssemblyCompanyAttribute>false</GenerateAssemblyCompanyAttribute>
+    <GenerateAssemblyProductAttribute>false</GenerateAssemblyProductAttribute>
+    <RootNamespace />
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\Volo.Abp.IdentityServer.Domain\Volo.Abp.IdentityServer.Domain.csproj" />
+  </ItemGroup>
+
+</Project>
diff --git a/src/Volo.Abp.IdentityServer.EntityFrameworkCore/Volo/Abp/IdentityServer/EntityFrameworkCore/AbpIdentityServerModule.cs b/src/Volo.Abp.IdentityServer.EntityFrameworkCore/Volo/Abp/IdentityServer/EntityFrameworkCore/AbpIdentityServerModule.cs
new file mode 100644
index 0000000000..30e8f68ff2
--- /dev/null
+++ b/src/Volo.Abp.IdentityServer.EntityFrameworkCore/Volo/Abp/IdentityServer/EntityFrameworkCore/AbpIdentityServerModule.cs
@@ -0,0 +1,13 @@
+using Microsoft.Extensions.DependencyInjection;
+using Volo.Abp.Modularity;
+
+namespace Volo.Abp.IdentityServer.EntityFrameworkCore
+{
+    public class AbpIdentityServerEntityFrameworkCoreModule : AbpModule
+    {
+        public override void ConfigureServices(IServiceCollection services)
+        {
+            services.AddAssemblyOf<AbpIdentityServerEntityFrameworkCoreModule>();
+        }
+    }
+}