diff --git a/QuickLook.Plugin/QuickLook.Plugin.ArchiveViewer/Properties/AssemblyInfo.cs b/QuickLook.Plugin/QuickLook.Plugin.ArchiveViewer/Properties/AssemblyInfo.cs
index bef0bde..335e150 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.ArchiveViewer/Properties/AssemblyInfo.cs
+++ b/QuickLook.Plugin/QuickLook.Plugin.ArchiveViewer/Properties/AssemblyInfo.cs
@@ -24,9 +24,9 @@ using System.Runtime.InteropServices;
 [assembly: AssemblyTitle("QuickLook.Plugin.ArchiveViewer")]
 [assembly: AssemblyDescription("")]
 [assembly: AssemblyConfiguration("")]
-[assembly: AssemblyCompany("")]
+[assembly: AssemblyCompany("pooi.moe")]
 [assembly: AssemblyProduct("QuickLook.Plugin.ArchiveViewer")]
-[assembly: AssemblyCopyright("Copyright ©  2017")]
+[assembly: AssemblyCopyright("Copyright © Paddy Xu 2017")]
 [assembly: AssemblyTrademark("")]
 [assembly: AssemblyCulture("")]
 
diff --git a/QuickLook.Plugin/QuickLook.Plugin.ArchiveViewer/QuickLook.Plugin.ArchiveViewer.csproj b/QuickLook.Plugin/QuickLook.Plugin.ArchiveViewer/QuickLook.Plugin.ArchiveViewer.csproj
index 754f932..2572ca1 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.ArchiveViewer/QuickLook.Plugin.ArchiveViewer.csproj
+++ b/QuickLook.Plugin/QuickLook.Plugin.ArchiveViewer/QuickLook.Plugin.ArchiveViewer.csproj
@@ -49,6 +49,12 @@
     <ErrorReport>prompt</ErrorReport>
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
+  <PropertyGroup>
+    <SignAssembly>true</SignAssembly>
+  </PropertyGroup>
+  <PropertyGroup>
+    <AssemblyOriginatorKeyFile>key.snk</AssemblyOriginatorKeyFile>
+  </PropertyGroup>
   <ItemGroup>
     <Reference Include="PresentationCore" />
     <Reference Include="PresentationFramework" />
@@ -96,6 +102,7 @@
     </Page>
   </ItemGroup>
   <ItemGroup>
+    <None Include="key.snk" />
     <None Include="packages.config" />
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
diff --git a/QuickLook.Plugin/QuickLook.Plugin.ArchiveViewer/key.snk b/QuickLook.Plugin/QuickLook.Plugin.ArchiveViewer/key.snk
new file mode 100644
index 0000000..97dff09
Binary files /dev/null and b/QuickLook.Plugin/QuickLook.Plugin.ArchiveViewer/key.snk differ
diff --git a/QuickLook.Plugin/QuickLook.Plugin.CsvViewer/Properties/AssemblyInfo.cs b/QuickLook.Plugin/QuickLook.Plugin.CsvViewer/Properties/AssemblyInfo.cs
index e93201f..c2e3e06 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.CsvViewer/Properties/AssemblyInfo.cs
+++ b/QuickLook.Plugin/QuickLook.Plugin.CsvViewer/Properties/AssemblyInfo.cs
@@ -25,9 +25,9 @@ using System.Windows;
 [assembly: AssemblyTitle("QuickLook.Plugin.CsvViewer")]
 [assembly: AssemblyDescription("")]
 [assembly: AssemblyConfiguration("")]
-[assembly: AssemblyCompany("")]
+[assembly: AssemblyCompany("pooi.moe")]
 [assembly: AssemblyProduct("QuickLook.Plugin.CsvViewer")]
-[assembly: AssemblyCopyright("Copyright ©  2017")]
+[assembly: AssemblyCopyright("Copyright © Paddy Xu 2017")]
 [assembly: AssemblyTrademark("")]
 [assembly: AssemblyCulture("")]
 
diff --git a/QuickLook.Plugin/QuickLook.Plugin.CsvViewer/QuickLook.Plugin.CsvViewer.csproj b/QuickLook.Plugin/QuickLook.Plugin.CsvViewer/QuickLook.Plugin.CsvViewer.csproj
index 4660cbc..ba8c553 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.CsvViewer/QuickLook.Plugin.CsvViewer.csproj
+++ b/QuickLook.Plugin/QuickLook.Plugin.CsvViewer/QuickLook.Plugin.CsvViewer.csproj
@@ -48,6 +48,12 @@
     <ErrorReport>prompt</ErrorReport>
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
+  <PropertyGroup>
+    <SignAssembly>true</SignAssembly>
+  </PropertyGroup>
+  <PropertyGroup>
+    <AssemblyOriginatorKeyFile>key.snk</AssemblyOriginatorKeyFile>
+  </PropertyGroup>
   <ItemGroup>
     <Reference Include="CsvHelper, Version=2.0.0.0, Culture=neutral, PublicKeyToken=8c4959082be5c823, processorArchitecture=MSIL">
       <HintPath>..\..\packages\CsvHelper.2.16.3.0\lib\net45\CsvHelper.dll</HintPath>
@@ -84,6 +90,7 @@
     </ProjectReference>
   </ItemGroup>
   <ItemGroup>
+    <None Include="key.snk" />
     <None Include="packages.config" />
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
diff --git a/QuickLook.Plugin/QuickLook.Plugin.CsvViewer/key.snk b/QuickLook.Plugin/QuickLook.Plugin.CsvViewer/key.snk
new file mode 100644
index 0000000..9bc51b7
Binary files /dev/null and b/QuickLook.Plugin/QuickLook.Plugin.CsvViewer/key.snk differ
diff --git a/QuickLook.Plugin/QuickLook.Plugin.HtmlViewer/Properties/AssemblyInfo.cs b/QuickLook.Plugin/QuickLook.Plugin.HtmlViewer/Properties/AssemblyInfo.cs
index 5c252ab..da1a53f 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.HtmlViewer/Properties/AssemblyInfo.cs
+++ b/QuickLook.Plugin/QuickLook.Plugin.HtmlViewer/Properties/AssemblyInfo.cs
@@ -25,9 +25,9 @@ using System.Windows;
 [assembly: AssemblyTitle("QuickLook.Plugin.HtmlViewer")]
 [assembly: AssemblyDescription("")]
 [assembly: AssemblyConfiguration("")]
-[assembly: AssemblyCompany("")]
+[assembly: AssemblyCompany("pooi.moe")]
 [assembly: AssemblyProduct("QuickLook.Plugin.HtmlViewer")]
-[assembly: AssemblyCopyright("Copyright ©  2017")]
+[assembly: AssemblyCopyright("Copyright © Paddy Xu 2017")]
 [assembly: AssemblyTrademark("")]
 [assembly: AssemblyCulture("")]
 
diff --git a/QuickLook.Plugin/QuickLook.Plugin.HtmlViewer/QuickLook.Plugin.HtmlViewer.csproj b/QuickLook.Plugin/QuickLook.Plugin.HtmlViewer/QuickLook.Plugin.HtmlViewer.csproj
index d32b61b..225efdc 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.HtmlViewer/QuickLook.Plugin.HtmlViewer.csproj
+++ b/QuickLook.Plugin/QuickLook.Plugin.HtmlViewer/QuickLook.Plugin.HtmlViewer.csproj
@@ -52,6 +52,12 @@
     <ErrorReport>prompt</ErrorReport>
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
+  <PropertyGroup>
+    <SignAssembly>true</SignAssembly>
+  </PropertyGroup>
+  <PropertyGroup>
+    <AssemblyOriginatorKeyFile>key.snk</AssemblyOriginatorKeyFile>
+  </PropertyGroup>
   <ItemGroup>
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="System" />
@@ -105,5 +111,8 @@
       <EmbedInteropTypes>True</EmbedInteropTypes>
     </COMReference>
   </ItemGroup>
+  <ItemGroup>
+    <None Include="key.snk" />
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
 </Project>
\ No newline at end of file
diff --git a/QuickLook.Plugin/QuickLook.Plugin.HtmlViewer/key.snk b/QuickLook.Plugin/QuickLook.Plugin.HtmlViewer/key.snk
new file mode 100644
index 0000000..a8fdfed
Binary files /dev/null and b/QuickLook.Plugin/QuickLook.Plugin.HtmlViewer/key.snk differ
diff --git a/QuickLook.Plugin/QuickLook.Plugin.IPreviewHandlers/Properties/AssemblyInfo.cs b/QuickLook.Plugin/QuickLook.Plugin.IPreviewHandlers/Properties/AssemblyInfo.cs
index 9f1efb0..3d6c9b8 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.IPreviewHandlers/Properties/AssemblyInfo.cs
+++ b/QuickLook.Plugin/QuickLook.Plugin.IPreviewHandlers/Properties/AssemblyInfo.cs
@@ -25,9 +25,9 @@ using System.Windows;
 [assembly: AssemblyTitle("QuickLook.Plugin.IPreviewHandlers")]
 [assembly: AssemblyDescription("")]
 [assembly: AssemblyConfiguration("")]
-[assembly: AssemblyCompany("")]
+[assembly: AssemblyCompany("pooi.moe")]
 [assembly: AssemblyProduct("QuickLook.Plugin.IPreviewHandlers")]
-[assembly: AssemblyCopyright("Copyright ©  2017")]
+[assembly: AssemblyCopyright("Copyright © Paddy Xu 2017")]
 [assembly: AssemblyTrademark("")]
 [assembly: AssemblyCulture("")]
 
diff --git a/QuickLook.Plugin/QuickLook.Plugin.IPreviewHandlers/QuickLook.Plugin.IPreviewHandlers.csproj b/QuickLook.Plugin/QuickLook.Plugin.IPreviewHandlers/QuickLook.Plugin.IPreviewHandlers.csproj
index 9e2880c..d9933d9 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.IPreviewHandlers/QuickLook.Plugin.IPreviewHandlers.csproj
+++ b/QuickLook.Plugin/QuickLook.Plugin.IPreviewHandlers/QuickLook.Plugin.IPreviewHandlers.csproj
@@ -50,6 +50,12 @@
     <ErrorReport>prompt</ErrorReport>
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
+  <PropertyGroup>
+    <SignAssembly>true</SignAssembly>
+  </PropertyGroup>
+  <PropertyGroup>
+    <AssemblyOriginatorKeyFile>key.snk</AssemblyOriginatorKeyFile>
+  </PropertyGroup>
   <ItemGroup>
     <Reference Include="System" />
     <Reference Include="System.Core" />
@@ -97,5 +103,8 @@
       <Generator>MSBuild:Compile</Generator>
     </Page>
   </ItemGroup>
+  <ItemGroup>
+    <None Include="key.snk" />
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
 </Project>
\ No newline at end of file
diff --git a/QuickLook.Plugin/QuickLook.Plugin.IPreviewHandlers/key.snk b/QuickLook.Plugin/QuickLook.Plugin.IPreviewHandlers/key.snk
new file mode 100644
index 0000000..da52f85
Binary files /dev/null and b/QuickLook.Plugin/QuickLook.Plugin.IPreviewHandlers/key.snk differ
diff --git a/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/Properties/AssemblyInfo.cs b/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/Properties/AssemblyInfo.cs
index 67cf9cc..d4e401b 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/Properties/AssemblyInfo.cs
+++ b/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/Properties/AssemblyInfo.cs
@@ -24,9 +24,9 @@ using System.Runtime.InteropServices;
 [assembly: AssemblyTitle("QuickLook.Plugin.ImageViewer")]
 [assembly: AssemblyDescription("")]
 [assembly: AssemblyConfiguration("")]
-[assembly: AssemblyCompany("")]
+[assembly: AssemblyCompany("pooi.moe")]
 [assembly: AssemblyProduct("QuickLook.Plugin.ImageViewer")]
-[assembly: AssemblyCopyright("Copyright ©  2017")]
+[assembly: AssemblyCopyright("Copyright © Paddy Xu 2017")]
 [assembly: AssemblyTrademark("")]
 [assembly: AssemblyCulture("")]
 
diff --git a/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/QuickLook.Plugin.ImageViewer.csproj b/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/QuickLook.Plugin.ImageViewer.csproj
index 231a0aa..3d9212c 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/QuickLook.Plugin.ImageViewer.csproj
+++ b/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/QuickLook.Plugin.ImageViewer.csproj
@@ -51,12 +51,18 @@
     <ErrorReport>prompt</ErrorReport>
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
+  <PropertyGroup>
+    <SignAssembly>true</SignAssembly>
+  </PropertyGroup>
+  <PropertyGroup>
+    <AssemblyOriginatorKeyFile>key.snk</AssemblyOriginatorKeyFile>
+  </PropertyGroup>
   <ItemGroup>
     <Reference Include="ExifLib, Version=1.7.0.0, Culture=neutral, PublicKeyToken=30284005913968db, processorArchitecture=MSIL">
       <HintPath>..\..\packages\ExifLib.1.7.0.0\lib\net45\ExifLib.dll</HintPath>
     </Reference>
     <Reference Include="Magick.NET-Q8-AnyCPU, Version=7.0.0.0, Culture=neutral, PublicKeyToken=2004825badfa91ec, processorArchitecture=MSIL">
-      <HintPath>..\..\packages\Magick.NET-Q8-AnyCPU.7.0.6.101\lib\net40\Magick.NET-Q8-AnyCPU.dll</HintPath>
+      <HintPath>..\..\packages\Magick.NET-Q8-AnyCPU.7.0.6.102\lib\net40\Magick.NET-Q8-AnyCPU.dll</HintPath>
     </Reference>
     <Reference Include="PresentationCore" />
     <Reference Include="PresentationFramework" />
@@ -94,6 +100,7 @@
     </Page>
   </ItemGroup>
   <ItemGroup>
+    <None Include="key.snk" />
     <None Include="packages.config" />
   </ItemGroup>
   <ItemGroup>
diff --git a/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/key.snk b/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/key.snk
new file mode 100644
index 0000000..5e2692a
Binary files /dev/null and b/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/key.snk differ
diff --git a/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/packages.config b/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/packages.config
index 17b723b..89825f7 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/packages.config
+++ b/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="ExifLib" version="1.7.0.0" targetFramework="net462" />
-  <package id="Magick.NET-Q8-AnyCPU" version="7.0.6.101" targetFramework="net462" />
+  <package id="Magick.NET-Q8-AnyCPU" version="7.0.6.102" targetFramework="net462" />
   <package id="XamlAnimatedGif" version="1.1.10" targetFramework="net462" />
 </packages>
\ No newline at end of file
diff --git a/QuickLook.Plugin/QuickLook.Plugin.MailViewer/Properties/AssemblyInfo.cs b/QuickLook.Plugin/QuickLook.Plugin.MailViewer/Properties/AssemblyInfo.cs
index 581ba60..db54134 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.MailViewer/Properties/AssemblyInfo.cs
+++ b/QuickLook.Plugin/QuickLook.Plugin.MailViewer/Properties/AssemblyInfo.cs
@@ -25,9 +25,9 @@ using System.Windows;
 [assembly: AssemblyTitle("QuickLook.Plugin.MailViewer")]
 [assembly: AssemblyDescription("")]
 [assembly: AssemblyConfiguration("")]
-[assembly: AssemblyCompany("")]
+[assembly: AssemblyCompany("pooi.moe")]
 [assembly: AssemblyProduct("QuickLook.Plugin.MailViewer")]
-[assembly: AssemblyCopyright("Copyright ©  2017")]
+[assembly: AssemblyCopyright("Copyright © Paddy Xu 2017")]
 [assembly: AssemblyTrademark("")]
 [assembly: AssemblyCulture("")]
 
diff --git a/QuickLook.Plugin/QuickLook.Plugin.MailViewer/QuickLook.Plugin.MailViewer.csproj b/QuickLook.Plugin/QuickLook.Plugin.MailViewer/QuickLook.Plugin.MailViewer.csproj
index 7c10fc4..6232924 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.MailViewer/QuickLook.Plugin.MailViewer.csproj
+++ b/QuickLook.Plugin/QuickLook.Plugin.MailViewer/QuickLook.Plugin.MailViewer.csproj
@@ -48,6 +48,12 @@
     <ErrorReport>prompt</ErrorReport>
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
+  <PropertyGroup>
+    <SignAssembly>true</SignAssembly>
+  </PropertyGroup>
+  <PropertyGroup>
+    <AssemblyOriginatorKeyFile>key.snk</AssemblyOriginatorKeyFile>
+  </PropertyGroup>
   <ItemGroup>
     <Reference Include="MsgReader, Version=2.0.11.0, Culture=neutral, PublicKeyToken=47f99f3a9a2648df, processorArchitecture=MSIL">
       <HintPath>..\..\packages\MSGReader.2.0.11\lib\MsgReader.dll</HintPath>
@@ -81,6 +87,7 @@
     </ProjectReference>
   </ItemGroup>
   <ItemGroup>
+    <None Include="key.snk" />
     <None Include="packages.config" />
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
diff --git a/QuickLook.Plugin/QuickLook.Plugin.MailViewer/key.snk b/QuickLook.Plugin/QuickLook.Plugin.MailViewer/key.snk
new file mode 100644
index 0000000..c5faf41
Binary files /dev/null and b/QuickLook.Plugin/QuickLook.Plugin.MailViewer/key.snk differ
diff --git a/QuickLook.Plugin/QuickLook.Plugin.MarkdownViewer/Properties/AssemblyInfo.cs b/QuickLook.Plugin/QuickLook.Plugin.MarkdownViewer/Properties/AssemblyInfo.cs
index 67cf9cc..d4e401b 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.MarkdownViewer/Properties/AssemblyInfo.cs
+++ b/QuickLook.Plugin/QuickLook.Plugin.MarkdownViewer/Properties/AssemblyInfo.cs
@@ -24,9 +24,9 @@ using System.Runtime.InteropServices;
 [assembly: AssemblyTitle("QuickLook.Plugin.ImageViewer")]
 [assembly: AssemblyDescription("")]
 [assembly: AssemblyConfiguration("")]
-[assembly: AssemblyCompany("")]
+[assembly: AssemblyCompany("pooi.moe")]
 [assembly: AssemblyProduct("QuickLook.Plugin.ImageViewer")]
-[assembly: AssemblyCopyright("Copyright ©  2017")]
+[assembly: AssemblyCopyright("Copyright © Paddy Xu 2017")]
 [assembly: AssemblyTrademark("")]
 [assembly: AssemblyCulture("")]
 
diff --git a/QuickLook.Plugin/QuickLook.Plugin.MarkdownViewer/QuickLook.Plugin.MarkdownViewer.csproj b/QuickLook.Plugin/QuickLook.Plugin.MarkdownViewer/QuickLook.Plugin.MarkdownViewer.csproj
index ff508b6..a0eeb9c 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.MarkdownViewer/QuickLook.Plugin.MarkdownViewer.csproj
+++ b/QuickLook.Plugin/QuickLook.Plugin.MarkdownViewer/QuickLook.Plugin.MarkdownViewer.csproj
@@ -49,6 +49,12 @@
     <ErrorReport>prompt</ErrorReport>
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
+  <PropertyGroup>
+    <SignAssembly>true</SignAssembly>
+  </PropertyGroup>
+  <PropertyGroup>
+    <AssemblyOriginatorKeyFile>key.snk</AssemblyOriginatorKeyFile>
+  </PropertyGroup>
   <ItemGroup>
     <Reference Include="PresentationCore" />
     <Reference Include="PresentationFramework" />
@@ -88,6 +94,7 @@
     </EmbeddedResource>
   </ItemGroup>
   <ItemGroup>
+    <None Include="key.snk" />
     <None Include="Resources\md2html.html" />
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
diff --git a/QuickLook.Plugin/QuickLook.Plugin.MarkdownViewer/key.snk b/QuickLook.Plugin/QuickLook.Plugin.MarkdownViewer/key.snk
new file mode 100644
index 0000000..6b10453
Binary files /dev/null and b/QuickLook.Plugin/QuickLook.Plugin.MarkdownViewer/key.snk differ
diff --git a/QuickLook.Plugin/QuickLook.Plugin.PDFViewer/Properties/AssemblyInfo.cs b/QuickLook.Plugin/QuickLook.Plugin.PDFViewer/Properties/AssemblyInfo.cs
index 0c290a1..792661e 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.PDFViewer/Properties/AssemblyInfo.cs
+++ b/QuickLook.Plugin/QuickLook.Plugin.PDFViewer/Properties/AssemblyInfo.cs
@@ -24,9 +24,9 @@ using System.Runtime.InteropServices;
 [assembly: AssemblyTitle("QuickLook.Plugin.PDFViewer")]
 [assembly: AssemblyDescription("")]
 [assembly: AssemblyConfiguration("")]
-[assembly: AssemblyCompany("")]
+[assembly: AssemblyCompany("pooi.moe")]
 [assembly: AssemblyProduct("QuickLook.Plugin.PDFViewer")]
-[assembly: AssemblyCopyright("Copyright ©  2017")]
+[assembly: AssemblyCopyright("Copyright © Paddy Xu 2017")]
 [assembly: AssemblyTrademark("")]
 [assembly: AssemblyCulture("")]
 
diff --git a/QuickLook.Plugin/QuickLook.Plugin.PDFViewer/QuickLook.Plugin.PdfViewer.csproj b/QuickLook.Plugin/QuickLook.Plugin.PDFViewer/QuickLook.Plugin.PdfViewer.csproj
index 7e0f8e7..6254c22 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.PDFViewer/QuickLook.Plugin.PdfViewer.csproj
+++ b/QuickLook.Plugin/QuickLook.Plugin.PDFViewer/QuickLook.Plugin.PdfViewer.csproj
@@ -53,6 +53,12 @@
     <ErrorReport>prompt</ErrorReport>
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
+  <PropertyGroup>
+    <SignAssembly>true</SignAssembly>
+  </PropertyGroup>
+  <PropertyGroup>
+    <AssemblyOriginatorKeyFile>key.snk</AssemblyOriginatorKeyFile>
+  </PropertyGroup>
   <ItemGroup>
     <Reference Include="PresentationCore" />
     <Reference Include="PresentationFramework" />
@@ -103,5 +109,8 @@
       <SubType>Designer</SubType>
     </Page>
   </ItemGroup>
+  <ItemGroup>
+    <None Include="key.snk" />
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
 </Project>
\ No newline at end of file
diff --git a/QuickLook.Plugin/QuickLook.Plugin.PDFViewer/key.snk b/QuickLook.Plugin/QuickLook.Plugin.PDFViewer/key.snk
new file mode 100644
index 0000000..1989832
Binary files /dev/null and b/QuickLook.Plugin/QuickLook.Plugin.PDFViewer/key.snk differ
diff --git a/QuickLook.Plugin/QuickLook.Plugin.TextViewer/Properties/AssemblyInfo.cs b/QuickLook.Plugin/QuickLook.Plugin.TextViewer/Properties/AssemblyInfo.cs
index 6973e0f..16f3f7f 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.TextViewer/Properties/AssemblyInfo.cs
+++ b/QuickLook.Plugin/QuickLook.Plugin.TextViewer/Properties/AssemblyInfo.cs
@@ -24,9 +24,9 @@ using System.Runtime.InteropServices;
 [assembly: AssemblyTitle("QuickLook.Plugin.TextViewer")]
 [assembly: AssemblyDescription("")]
 [assembly: AssemblyConfiguration("")]
-[assembly: AssemblyCompany("")]
+[assembly: AssemblyCompany("pooi.moe")]
 [assembly: AssemblyProduct("QuickLook.Plugin.TextViewer")]
-[assembly: AssemblyCopyright("Copyright ©  2017")]
+[assembly: AssemblyCopyright("Copyright © Paddy Xu 2017")]
 [assembly: AssemblyTrademark("")]
 [assembly: AssemblyCulture("")]
 
diff --git a/QuickLook.Plugin/QuickLook.Plugin.TextViewer/QuickLook.Plugin.TextViewer.csproj b/QuickLook.Plugin/QuickLook.Plugin.TextViewer/QuickLook.Plugin.TextViewer.csproj
index 996cb1d..304f6b8 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.TextViewer/QuickLook.Plugin.TextViewer.csproj
+++ b/QuickLook.Plugin/QuickLook.Plugin.TextViewer/QuickLook.Plugin.TextViewer.csproj
@@ -49,6 +49,12 @@
     <ErrorReport>prompt</ErrorReport>
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
+  <PropertyGroup>
+    <SignAssembly>true</SignAssembly>
+  </PropertyGroup>
+  <PropertyGroup>
+    <AssemblyOriginatorKeyFile>key.snk</AssemblyOriginatorKeyFile>
+  </PropertyGroup>
   <ItemGroup>
     <Reference Include="ICSharpCode.AvalonEdit, Version=5.0.3.0, Culture=neutral, PublicKeyToken=9cc39be672370310, processorArchitecture=MSIL">
       <HintPath>..\..\packages\AvalonEdit.5.0.3\lib\Net40\ICSharpCode.AvalonEdit.dll</HintPath>
@@ -88,6 +94,7 @@
     </Page>
   </ItemGroup>
   <ItemGroup>
+    <None Include="key.snk" />
     <None Include="packages.config" />
   </ItemGroup>
   <ItemGroup>
diff --git a/QuickLook.Plugin/QuickLook.Plugin.TextViewer/key.snk b/QuickLook.Plugin/QuickLook.Plugin.TextViewer/key.snk
new file mode 100644
index 0000000..29b4960
Binary files /dev/null and b/QuickLook.Plugin/QuickLook.Plugin.TextViewer/key.snk differ
diff --git a/QuickLook.Plugin/QuickLook.Plugin.VideoViewer/Properties/AssemblyInfo.cs b/QuickLook.Plugin/QuickLook.Plugin.VideoViewer/Properties/AssemblyInfo.cs
index af31c1a..126a7fc 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.VideoViewer/Properties/AssemblyInfo.cs
+++ b/QuickLook.Plugin/QuickLook.Plugin.VideoViewer/Properties/AssemblyInfo.cs
@@ -25,9 +25,9 @@ using System.Windows;
 [assembly: AssemblyTitle("QuickLook.Plugin.VideoViewer")]
 [assembly: AssemblyDescription("")]
 [assembly: AssemblyConfiguration("")]
-[assembly: AssemblyCompany("")]
+[assembly: AssemblyCompany("pooi.moe")]
 [assembly: AssemblyProduct("QuickLook.Plugin.VideoViewer")]
-[assembly: AssemblyCopyright("Copyright ©  2017")]
+[assembly: AssemblyCopyright("Copyright © Paddy Xu 2017")]
 [assembly: AssemblyTrademark("")]
 [assembly: AssemblyCulture("")]
 
diff --git a/QuickLook.Plugin/QuickLook.Plugin.VideoViewer/QuickLook.Plugin.VideoViewer.csproj b/QuickLook.Plugin/QuickLook.Plugin.VideoViewer/QuickLook.Plugin.VideoViewer.csproj
index 9ea6e2a..57a3026 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.VideoViewer/QuickLook.Plugin.VideoViewer.csproj
+++ b/QuickLook.Plugin/QuickLook.Plugin.VideoViewer/QuickLook.Plugin.VideoViewer.csproj
@@ -52,6 +52,12 @@
     <ErrorReport>prompt</ErrorReport>
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
+  <PropertyGroup>
+    <SignAssembly>true</SignAssembly>
+  </PropertyGroup>
+  <PropertyGroup>
+    <AssemblyOriginatorKeyFile>key.snk</AssemblyOriginatorKeyFile>
+  </PropertyGroup>
   <ItemGroup>
     <Reference Include="FontAwesome.WPF, Version=4.7.0.37774, Culture=neutral, PublicKeyToken=0758b07a11a4f466, processorArchitecture=MSIL">
       <HintPath>..\..\packages\FontAwesome.WPF.4.7.0.9\lib\net40\FontAwesome.WPF.dll</HintPath>
@@ -92,6 +98,7 @@
     <Compile Include="Properties\AssemblyInfo.cs">
       <SubType>Code</SubType>
     </Compile>
+    <None Include="key.snk" />
     <None Include="packages.config" />
   </ItemGroup>
   <ItemGroup>
diff --git a/QuickLook.Plugin/QuickLook.Plugin.VideoViewer/key.snk b/QuickLook.Plugin/QuickLook.Plugin.VideoViewer/key.snk
new file mode 100644
index 0000000..2749a4f
Binary files /dev/null and b/QuickLook.Plugin/QuickLook.Plugin.VideoViewer/key.snk differ
diff --git a/QuickLook/Properties/AssemblyInfo.cs b/QuickLook/Properties/AssemblyInfo.cs
index 8b5be01..d9e9be3 100644
--- a/QuickLook/Properties/AssemblyInfo.cs
+++ b/QuickLook/Properties/AssemblyInfo.cs
@@ -25,9 +25,9 @@ using System.Windows;
 [assembly: AssemblyTitle("QuickLook")]
 [assembly: AssemblyDescription("")]
 [assembly: AssemblyConfiguration("")]
-[assembly: AssemblyCompany("Paddy Xu")]
+[assembly: AssemblyCompany("pooi.moe")]
 [assembly: AssemblyProduct("QuickLook")]
-[assembly: AssemblyCopyright("Copyright © 2017")]
+[assembly: AssemblyCopyright("Copyright © Paddy Xu 2017")]
 [assembly: AssemblyTrademark("")]
 [assembly: AssemblyCulture("")]
 
diff --git a/QuickLook/QuickLook.csproj b/QuickLook/QuickLook.csproj
index ee62fbf..ffbc181 100644
--- a/QuickLook/QuickLook.csproj
+++ b/QuickLook/QuickLook.csproj
@@ -76,6 +76,12 @@
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
+  <PropertyGroup>
+    <SignAssembly>true</SignAssembly>
+  </PropertyGroup>
+  <PropertyGroup>
+    <AssemblyOriginatorKeyFile>key.snk</AssemblyOriginatorKeyFile>
+  </PropertyGroup>
   <ItemGroup>
     <Reference Include="FontAwesome.WPF, Version=4.7.0.37774, Culture=neutral, PublicKeyToken=0758b07a11a4f466, processorArchitecture=MSIL">
       <HintPath>..\packages\FontAwesome.WPF.4.7.0.9\lib\net40\FontAwesome.WPF.dll</HintPath>
@@ -212,6 +218,7 @@
       <CopyToOutputDirectory>Always</CopyToOutputDirectory>
     </None>
     <None Include="app.manifest" />
+    <None Include="key.snk" />
     <None Include="packages.config" />
     <None Include="Properties\Settings.settings">
       <Generator>SettingsSingleFileGenerator</Generator>
diff --git a/QuickLook/key.snk b/QuickLook/key.snk
new file mode 100644
index 0000000..5df9621
Binary files /dev/null and b/QuickLook/key.snk differ