diff --git a/BotSharp.Core/BotSharp.Core.csproj b/BotSharp.Core/BotSharp.Core.csproj
index 6b8b2b0b..b891105d 100644
--- a/BotSharp.Core/BotSharp.Core.csproj
+++ b/BotSharp.Core/BotSharp.Core.csproj
@@ -13,21 +13,21 @@
     <TargetFramework>netstandard2.0</TargetFramework>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
     <Authors>Haiping Chen</Authors>
-    <Company>BotSharp AI</Company>
+    <Company>SciSharp STACK</Company>
     <Product>AI Bot Platform Builder</Product>
     <Description>Open source AI Bot platform builder which is written in C# runs on .Net Core and is enterprise oriented. Integrated with multiple bot engines besides BotSharp bot engine. Modulized pipeline design make NLP tasks plugin easily. Abstract platform and NLP task, migrate existed chatbot from a platform into another platform perfectly through dump and restore.
 
 If you feel that this project is helpful to you, please Star on the project, we will be very grateful.</Description>
-    <RepositoryType>MIT</RepositoryType>
-    <RepositoryUrl>https://github.com/Oceania2018/BotSharp</RepositoryUrl>
+    <RepositoryType>git</RepositoryType>
+    <RepositoryUrl>https://github.com/SciSharp/BotSharp</RepositoryUrl>
     <PackageTags>NLU, Chatbot, Bot, AI Bot, Artificial Intelligence</PackageTags>
-    <Version>1.9.0</Version>
+    <Version>0.4.0</Version>
     <PackageReleaseNotes>Support dialogue status tracking.</PackageReleaseNotes>
     <Copyright>Since 2018 Haiping Chen</Copyright>
-    <PackageProjectUrl>https://github.com/Oceania2018/BotSharp</PackageProjectUrl>
-    <AssemblyVersion>1.9.0.0</AssemblyVersion>
-    <PackageIconUrl>https://raw.githubusercontent.com/Oceania2018/BotSharp/master/BotSharp.WebHost/wwwroot/images/BotSharp.png</PackageIconUrl>
-    <PackageLicenseUrl>https://github.com/Oceania2018/BotSharp/blob/master/LICENSE</PackageLicenseUrl>
+    <PackageProjectUrl>https://github.com/SciSharp/BotSharp</PackageProjectUrl>
+    <AssemblyVersion>0.4.0.0</AssemblyVersion>
+    <PackageIconUrl>https://raw.githubusercontent.com/SciSharp/BotSharp/master/docs/static/logos/BotSharp.png</PackageIconUrl>
+    <PackageLicenseUrl>https://raw.githubusercontent.com/SciSharp/BotSharp/master/LICENSE</PackageLicenseUrl>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">
diff --git a/BotSharp.Platform.Abstraction/BotSharp.Platform.Abstraction.csproj b/BotSharp.Platform.Abstraction/BotSharp.Platform.Abstraction.csproj
index 902b3e0c..e457b1ce 100644
--- a/BotSharp.Platform.Abstraction/BotSharp.Platform.Abstraction.csproj
+++ b/BotSharp.Platform.Abstraction/BotSharp.Platform.Abstraction.csproj
@@ -3,7 +3,7 @@
   <PropertyGroup>
     <TargetFramework>netstandard2.0</TargetFramework>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
-    <Version>0.3.0</Version>
+    <Version>0.4.0</Version>
     <RepositoryUrl>https://github.com/dotnetcore/BotSharp</RepositoryUrl>
     <Authors>Haiping Chen</Authors>
     <PackageProjectUrl>https://github.com/dotnetcore/BotSharp</PackageProjectUrl>
diff --git a/BotSharp.Platform.Models/BotSharp.Platform.Models.csproj b/BotSharp.Platform.Models/BotSharp.Platform.Models.csproj
index 3e6c5b33..179f93f4 100644
--- a/BotSharp.Platform.Models/BotSharp.Platform.Models.csproj
+++ b/BotSharp.Platform.Models/BotSharp.Platform.Models.csproj
@@ -3,7 +3,7 @@
   <PropertyGroup>
     <TargetFramework>netstandard2.0</TargetFramework>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
-    <Version>0.3.0</Version>
+    <Version>0.4.0</Version>
     <PackageProjectUrl>https://github.com/dotnetcore/BotSharp</PackageProjectUrl>
     <Authors>Haipin Chen</Authors>
     <Company>BotSharp AI</Company>
diff --git a/docs/static/logos/WechatQRCode.png b/docs/static/logos/WechatQRCode.png
deleted file mode 100644
index ce30c838..00000000
Binary files a/docs/static/logos/WechatQRCode.png and /dev/null differ