diff --git a/src/DotnetSpider2.Core/Downloader/HttpClientDownloader.1.cs b/src/DotnetSpider2.Core/Downloader/HttpClientDownloader.1.cs
index 336e969bb..2c4c8fdb4 100644
--- a/src/DotnetSpider2.Core/Downloader/HttpClientDownloader.1.cs
+++ b/src/DotnetSpider2.Core/Downloader/HttpClientDownloader.1.cs
@@ -266,7 +266,7 @@ private string GetContent(Site site, HttpResponseMessage response)
 			contentBytes = PreventCutOff(contentBytes);
 			if (string.IsNullOrEmpty(site.EncodingName))
 			{
-				Encoding htmlCharset = Encoding.Default;
+				Encoding htmlCharset = Encoding.GetEncoding("UTF-8");
 				return htmlCharset.GetString(contentBytes, 0, contentBytes.Length);
 			}
 			else
diff --git a/src/DotnetSpider2.Core/project.json b/src/DotnetSpider2.Core/project.json
index 0943fd81a..ae0e587dc 100644
--- a/src/DotnetSpider2.Core/project.json
+++ b/src/DotnetSpider2.Core/project.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.0.10-*",
+  "version": "1.0.11-*",
   "authors": [ "Lewis Zou", "Walterwhatwater", "xiaohuan0204" ],
   "description": "Offical package. DotnetSpider is a high performance, light weight cralwer developed by C#.",
   "packOptions": {
diff --git a/src/DotnetSpider2.Demo/netfx45/DotnetSpider.Demo.csproj b/src/DotnetSpider2.Demo/netfx45/DotnetSpider.Demo.csproj
index 13f32bc72..8ba10d8b0 100644
--- a/src/DotnetSpider2.Demo/netfx45/DotnetSpider.Demo.csproj
+++ b/src/DotnetSpider2.Demo/netfx45/DotnetSpider.Demo.csproj
@@ -141,6 +141,10 @@
       <Project>{28dadca2-9053-4222-a813-a73dd0fe7f2f}</Project>
       <Name>DotnetSpider.Core</Name>
     </ProjectReference>
+    <ProjectReference Include="..\..\DotnetSpider2.Extension\netfx45\DotnetSpider.Extension.csproj">
+      <Project>{ddb5a085-6219-4a95-8cd8-ddcf3a54b962}</Project>
+      <Name>DotnetSpider.Extension</Name>
+    </ProjectReference>
   </ItemGroup>
   <ItemGroup>
     <Compile Include="..\BaseUsage.cs">