diff --git a/Plugins/HelloWorldCSharp/App.config b/Plugins/HelloWorldCSharp/App.config
index 88fa4027b..8d234373a 100644
--- a/Plugins/HelloWorldCSharp/App.config
+++ b/Plugins/HelloWorldCSharp/App.config
@@ -1,6 +1,6 @@
-<?xml version="1.0" encoding="utf-8" ?>
+<?xml version="1.0" encoding="utf-8"?>
 <configuration>
     <startup> 
-        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5.2" />
+        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6.2"/>
     </startup>
-</configuration>
\ No newline at end of file
+</configuration>
diff --git a/Plugins/HelloWorldCSharp/HelloWorldCSharp.csproj b/Plugins/HelloWorldCSharp/HelloWorldCSharp.csproj
index 46006f098..143052a03 100644
--- a/Plugins/HelloWorldCSharp/HelloWorldCSharp.csproj
+++ b/Plugins/HelloWorldCSharp/HelloWorldCSharp.csproj
@@ -9,9 +9,10 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>HelloWorldCSharp</RootNamespace>
     <AssemblyName>HelloWorldCSharp</AssemblyName>
-    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
+    <TargetFrameworkProfile />
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <PlatformTarget>AnyCPU</PlatformTarget>
diff --git a/Plugins/Wox.Plugin.BrowserBookmark/Wox.Plugin.BrowserBookmark.csproj b/Plugins/Wox.Plugin.BrowserBookmark/Wox.Plugin.BrowserBookmark.csproj
index 413b0aec7..56456892d 100644
--- a/Plugins/Wox.Plugin.BrowserBookmark/Wox.Plugin.BrowserBookmark.csproj
+++ b/Plugins/Wox.Plugin.BrowserBookmark/Wox.Plugin.BrowserBookmark.csproj
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Wox.Plugin.BrowserBookmark</RootNamespace>
     <AssemblyName>Wox.Plugin.BrowserBookmark</AssemblyName>
-    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\..\</SolutionDir>
     <RestorePackages>true</RestorePackages>
diff --git a/Plugins/Wox.Plugin.BrowserBookmark/app.config b/Plugins/Wox.Plugin.BrowserBookmark/app.config
index 376ff2d53..3b7c7ed0a 100644
--- a/Plugins/Wox.Plugin.BrowserBookmark/app.config
+++ b/Plugins/Wox.Plugin.BrowserBookmark/app.config
@@ -1,22 +1,22 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <configuration>
   <configSections>
     
-    <section name="entityFramework" type="System.Data.Entity.Internal.ConfigFile.EntityFrameworkSection, EntityFramework, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" />
+    <section name="entityFramework" type="System.Data.Entity.Internal.ConfigFile.EntityFrameworkSection, EntityFramework, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false"/>
   </configSections>
   <startup>
-    <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5.2" />
+    <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6.2"/>
   </startup>
   <entityFramework>
     <defaultConnectionFactory type="System.Data.Entity.Infrastructure.LocalDbConnectionFactory, EntityFramework">
       <parameters>
-        <parameter value="mssqllocaldb" />
+        <parameter value="mssqllocaldb"/>
       </parameters>
     </defaultConnectionFactory>
     <providers>
-      <provider invariantName="System.Data.SqlClient" type="System.Data.Entity.SqlServer.SqlProviderServices, EntityFramework.SqlServer" />
-      <provider invariantName="System.Data.SQLite.EF6" type="System.Data.SQLite.EF6.SQLiteProviderServices, System.Data.SQLite.EF6" />
+      <provider invariantName="System.Data.SqlClient" type="System.Data.Entity.SqlServer.SqlProviderServices, EntityFramework.SqlServer"/>
+      <provider invariantName="System.Data.SQLite.EF6" type="System.Data.SQLite.EF6.SQLiteProviderServices, System.Data.SQLite.EF6"/>
     </providers>
   </entityFramework>
   
-</configuration>
\ No newline at end of file
+</configuration>
diff --git a/Plugins/Wox.Plugin.Calculator/Wox.Plugin.Calculator.csproj b/Plugins/Wox.Plugin.Calculator/Wox.Plugin.Calculator.csproj
index f24ad118e..06d476ef4 100644
--- a/Plugins/Wox.Plugin.Calculator/Wox.Plugin.Calculator.csproj
+++ b/Plugins/Wox.Plugin.Calculator/Wox.Plugin.Calculator.csproj
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Wox.Plugin.Caculator</RootNamespace>
     <AssemblyName>Wox.Plugin.Caculator</AssemblyName>
-    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\..\</SolutionDir>
     <TargetFrameworkProfile />
diff --git a/Plugins/Wox.Plugin.Color/Wox.Plugin.Color.csproj b/Plugins/Wox.Plugin.Color/Wox.Plugin.Color.csproj
index ca75ed8f3..c7cbc29e5 100644
--- a/Plugins/Wox.Plugin.Color/Wox.Plugin.Color.csproj
+++ b/Plugins/Wox.Plugin.Color/Wox.Plugin.Color.csproj
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Wox.Plugin.Color</RootNamespace>
     <AssemblyName>Wox.Plugin.Color</AssemblyName>
-    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <TargetFrameworkProfile />
   </PropertyGroup>
diff --git a/Plugins/Wox.Plugin.ControlPanel/Wox.Plugin.ControlPanel.csproj b/Plugins/Wox.Plugin.ControlPanel/Wox.Plugin.ControlPanel.csproj
index 711cb8e29..97cdc8c02 100644
--- a/Plugins/Wox.Plugin.ControlPanel/Wox.Plugin.ControlPanel.csproj
+++ b/Plugins/Wox.Plugin.ControlPanel/Wox.Plugin.ControlPanel.csproj
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Wox.Plugin.ControlPanel</RootNamespace>
     <AssemblyName>Wox.Plugin.ControlPanel</AssemblyName>
-    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <TargetFrameworkProfile />
   </PropertyGroup>
diff --git a/Plugins/Wox.Plugin.Everything/Wox.Plugin.Everything.csproj b/Plugins/Wox.Plugin.Everything/Wox.Plugin.Everything.csproj
index 2ec791bf8..65f4e45e5 100644
--- a/Plugins/Wox.Plugin.Everything/Wox.Plugin.Everything.csproj
+++ b/Plugins/Wox.Plugin.Everything/Wox.Plugin.Everything.csproj
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Wox.Plugin.Everything</RootNamespace>
     <AssemblyName>Wox.Plugin.Everything</AssemblyName>
-    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\Wox\</SolutionDir>
     <TargetFrameworkProfile />
diff --git a/Plugins/Wox.Plugin.Folder/Wox.Plugin.Folder.csproj b/Plugins/Wox.Plugin.Folder/Wox.Plugin.Folder.csproj
index a75fa0ba9..338e550d5 100644
--- a/Plugins/Wox.Plugin.Folder/Wox.Plugin.Folder.csproj
+++ b/Plugins/Wox.Plugin.Folder/Wox.Plugin.Folder.csproj
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Wox.Plugin.Folder</RootNamespace>
     <AssemblyName>Wox.Plugin.Folder</AssemblyName>
-    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\..\</SolutionDir>
     <TargetFrameworkProfile />
diff --git a/Plugins/Wox.Plugin.PluginIndicator/Wox.Plugin.PluginIndicator.csproj b/Plugins/Wox.Plugin.PluginIndicator/Wox.Plugin.PluginIndicator.csproj
index 709016b06..2de1309cd 100644
--- a/Plugins/Wox.Plugin.PluginIndicator/Wox.Plugin.PluginIndicator.csproj
+++ b/Plugins/Wox.Plugin.PluginIndicator/Wox.Plugin.PluginIndicator.csproj
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Wox.Plugin.PluginIndicator</RootNamespace>
     <AssemblyName>Wox.Plugin.PluginIndicator</AssemblyName>
-    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <TargetFrameworkProfile />
   </PropertyGroup>
diff --git a/Plugins/Wox.Plugin.PluginManagement/Wox.Plugin.PluginManagement.csproj b/Plugins/Wox.Plugin.PluginManagement/Wox.Plugin.PluginManagement.csproj
index d963ea367..dcf77f487 100644
--- a/Plugins/Wox.Plugin.PluginManagement/Wox.Plugin.PluginManagement.csproj
+++ b/Plugins/Wox.Plugin.PluginManagement/Wox.Plugin.PluginManagement.csproj
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Wox.Plugin.PluginManagement</RootNamespace>
     <AssemblyName>Wox.Plugin.PluginManagement</AssemblyName>
-    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\..\</SolutionDir>
     <TargetFrameworkProfile />
diff --git a/Plugins/Wox.Plugin.Program/Wox.Plugin.Program.csproj b/Plugins/Wox.Plugin.Program/Wox.Plugin.Program.csproj
index 17ccffaba..a5d7700e1 100644
--- a/Plugins/Wox.Plugin.Program/Wox.Plugin.Program.csproj
+++ b/Plugins/Wox.Plugin.Program/Wox.Plugin.Program.csproj
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Wox.Plugin.Program</RootNamespace>
     <AssemblyName>Wox.Plugin.Program</AssemblyName>
-    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\..\</SolutionDir>
     <TargetFrameworkProfile />
@@ -158,6 +158,9 @@
     <PackageReference Include="JetBrains.Annotations">
       <Version>10.3.0</Version>
     </PackageReference>
+    <PackageReference Include="Microsoft.Windows.SDK.Contracts">
+      <Version>10.0.18362.2005</Version>
+    </PackageReference>
     <PackageReference Include="Newtonsoft.Json">
       <Version>9.0.1</Version>
     </PackageReference>
@@ -167,9 +170,6 @@
     <PackageReference Include="System.Runtime">
       <Version>4.0.0</Version>
     </PackageReference>
-    <PackageReference Include="UwpDesktop">
-      <Version>10.0.14393.3</Version>
-    </PackageReference>
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
diff --git a/Plugins/Wox.Plugin.Shell/Wox.Plugin.Shell.csproj b/Plugins/Wox.Plugin.Shell/Wox.Plugin.Shell.csproj
index 7508783aa..b0d696a4c 100644
--- a/Plugins/Wox.Plugin.Shell/Wox.Plugin.Shell.csproj
+++ b/Plugins/Wox.Plugin.Shell/Wox.Plugin.Shell.csproj
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Wox.Plugin.Shell</RootNamespace>
     <AssemblyName>Wox.Plugin.Shell</AssemblyName>
-    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\..\</SolutionDir>
     <TargetFrameworkProfile />
diff --git a/Plugins/Wox.Plugin.Sys/Wox.Plugin.Sys.csproj b/Plugins/Wox.Plugin.Sys/Wox.Plugin.Sys.csproj
index ffdfa5972..53a7059f3 100644
--- a/Plugins/Wox.Plugin.Sys/Wox.Plugin.Sys.csproj
+++ b/Plugins/Wox.Plugin.Sys/Wox.Plugin.Sys.csproj
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Wox.Plugin.Sys</RootNamespace>
     <AssemblyName>Wox.Plugin.Sys</AssemblyName>
-    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\..\</SolutionDir>
     <TargetFrameworkProfile />
diff --git a/Plugins/Wox.Plugin.Url/Wox.Plugin.Url.csproj b/Plugins/Wox.Plugin.Url/Wox.Plugin.Url.csproj
index bfdae9200..a10cee5f4 100644
--- a/Plugins/Wox.Plugin.Url/Wox.Plugin.Url.csproj
+++ b/Plugins/Wox.Plugin.Url/Wox.Plugin.Url.csproj
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Wox.Plugin.Url</RootNamespace>
     <AssemblyName>Wox.Plugin.Url</AssemblyName>
-    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <TargetFrameworkProfile />
   </PropertyGroup>
diff --git a/Plugins/Wox.Plugin.WebSearch/Wox.Plugin.WebSearch.csproj b/Plugins/Wox.Plugin.WebSearch/Wox.Plugin.WebSearch.csproj
index 7073487b7..d177a5572 100644
--- a/Plugins/Wox.Plugin.WebSearch/Wox.Plugin.WebSearch.csproj
+++ b/Plugins/Wox.Plugin.WebSearch/Wox.Plugin.WebSearch.csproj
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Wox.Plugin.WebSearch</RootNamespace>
     <AssemblyName>Wox.Plugin.WebSearch</AssemblyName>
-    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\..\</SolutionDir>
     <TargetFrameworkProfile />
diff --git a/README.md b/README.md
index 5b7a2a078..5d08706d7 100644
--- a/README.md
+++ b/README.md
@@ -78,17 +78,7 @@ Contribution
 Build
 -----
 
-Install Visual Studio 2015/2017/2019
-
-This project requires Windows 10 SDK:
-
-  VS 2015:
-  - Tick all Windows 10 sdk options
-
-  VS 2017/2019 and later:  
-  - Last Windows 10 SDK which [supported](https://github.com/Wox-launcher/Wox/pull/1827#commitcomment-26475392) UwpDesktop is version 10.0.14393.795. It is needed to compile "Programs" Plugin (UWP.cs), you will see the "References" of Plugin.Programs as broken if you use a later SDK version.
-  - This SDK cannot be installed via VS 2019 installer.
-  - Download and install [Windows 10 SDK version 10.0.14393.795](https://go.microsoft.com/fwlink/p/?LinkId=838916).
+Install Visual Studio 2017/2019
 
 Documentation
 -------------
diff --git a/Wox.Core/Resource/Internationalization.cs b/Wox.Core/Resource/Internationalization.cs
index 9f865cb53..53cce9174 100644
--- a/Wox.Core/Resource/Internationalization.cs
+++ b/Wox.Core/Resource/Internationalization.cs
@@ -99,6 +99,22 @@ public void ChangeLanguage(Language language)
 
         }
 
+        public bool PromptShouldUsePinyin(string languageCodeToSet)
+        {
+            var languageToSet = GetLanguageByLanguageCode(languageCodeToSet);
+
+            if (Settings.ShouldUsePinyin)
+                return false;
+
+            if (languageToSet != AvailableLanguages.Chinese && languageToSet != AvailableLanguages.Chinese_TW)
+                return false;
+
+            if (MessageBox.Show("Do you want to turn on search with Pinyin?", string.Empty, MessageBoxButton.YesNo) == MessageBoxResult.No)
+                return false;
+
+            return true;
+        }
+
         private void RemoveOldLanguageFiles()
         {
             var dicts = Application.Current.Resources.MergedDictionaries;
diff --git a/Wox.Core/Wox.Core.csproj b/Wox.Core/Wox.Core.csproj
index 0cdc22b52..7307243e6 100644
--- a/Wox.Core/Wox.Core.csproj
+++ b/Wox.Core/Wox.Core.csproj
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Wox.Core</RootNamespace>
     <AssemblyName>Wox.Core</AssemblyName>
-    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\</SolutionDir>
     <TargetFrameworkProfile />
diff --git a/Wox.Infrastructure/Alphabet.cs b/Wox.Infrastructure/Alphabet.cs
index 487c0a4b0..4754394cb 100644
--- a/Wox.Infrastructure/Alphabet.cs
+++ b/Wox.Infrastructure/Alphabet.cs
@@ -162,7 +162,7 @@ public bool ContainsChinese(string word)
 
             if (word.Length > 40)
             {
-                Log.Debug($"|Wox.Infrastructure.StringMatcher.ScoreForPinyin|skip too long string: {word}");
+                //Skip strings that are too long string for Pinyin conversion.
                 return false;
             }
 
diff --git a/Wox.Infrastructure/UserSettings/Settings.cs b/Wox.Infrastructure/UserSettings/Settings.cs
index 7714768f0..94a1639d6 100644
--- a/Wox.Infrastructure/UserSettings/Settings.cs
+++ b/Wox.Infrastructure/UserSettings/Settings.cs
@@ -25,8 +25,7 @@ public class Settings : BaseModel
         /// <summary>
         /// when false Alphabet static service will always return empty results
         /// </summary>
-        public bool ShouldUsePinyin { get; set; } = true;
-
+        public bool ShouldUsePinyin { get; set; } = false;
 
         internal StringMatcher.SearchPrecisionScore QuerySearchPrecision { get; private set; } = StringMatcher.SearchPrecisionScore.Regular;
 
diff --git a/Wox.Infrastructure/Wox.Infrastructure.csproj b/Wox.Infrastructure/Wox.Infrastructure.csproj
index 445454093..fc1990da9 100644
--- a/Wox.Infrastructure/Wox.Infrastructure.csproj
+++ b/Wox.Infrastructure/Wox.Infrastructure.csproj
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Wox.Infrastructure</RootNamespace>
     <AssemblyName>Wox.Infrastructure</AssemblyName>
-    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\</SolutionDir>
     <TargetFrameworkProfile />
diff --git a/Wox.Plugin/Wox.Plugin.csproj b/Wox.Plugin/Wox.Plugin.csproj
index b0b457e98..d02e6e708 100644
--- a/Wox.Plugin/Wox.Plugin.csproj
+++ b/Wox.Plugin/Wox.Plugin.csproj
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Wox.Plugin</RootNamespace>
     <AssemblyName>Wox.Plugin</AssemblyName>
-    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <TargetFrameworkProfile />
     <NuGetPackageImportStamp>
diff --git a/Wox.Test/Wox.Test.csproj b/Wox.Test/Wox.Test.csproj
index 2b1e6a78a..912425d14 100644
--- a/Wox.Test/Wox.Test.csproj
+++ b/Wox.Test/Wox.Test.csproj
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Wox.Test</RootNamespace>
     <AssemblyName>Wox.Test</AssemblyName>
-    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\</SolutionDir>
     <TargetFrameworkProfile />
diff --git a/Wox/App.config b/Wox/App.config
index 69c87b8c4..2e2e8a3bb 100644
--- a/Wox/App.config
+++ b/Wox/App.config
@@ -1,9 +1,9 @@
-<?xml version="1.0"?>
+<?xml version="1.0"?>
 <configuration>
   <!--https://msdn.microsoft.com/en-us/library/dd409252(v=vs.110).aspx-->
   <configSections>
-    <sectionGroup name="applicationSettings" type="System.Configuration.ApplicationSettingsGroup, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" >
-      <section name="Wox.Properties.Settings" type="System.Configuration.ClientSettingsSection, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" />
+    <sectionGroup name="applicationSettings" type="System.Configuration.ApplicationSettingsGroup, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
+      <section name="Wox.Properties.Settings" type="System.Configuration.ClientSettingsSection, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false"/>
     </sectionGroup>
   </configSections>
   <runtime>
@@ -16,4 +16,4 @@
       </setting>
     </Wox.Properties.Settings>
   </applicationSettings>
-</configuration>
\ No newline at end of file
+<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6.2"/></startup></configuration>
diff --git a/Wox/Properties/Resources.Designer.cs b/Wox/Properties/Resources.Designer.cs
index 20e0fb225..26a9ddff9 100644
--- a/Wox/Properties/Resources.Designer.cs
+++ b/Wox/Properties/Resources.Designer.cs
@@ -19,7 +19,7 @@ namespace Wox.Properties {
     // class via a tool like ResGen or Visual Studio.
     // To add or remove a member, edit your .ResX file then rerun ResGen
     // with the /str option, or rebuild your VS project.
-    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "4.0.0.0")]
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "16.0.0.0")]
     [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
     [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
     internal class Resources {
diff --git a/Wox/Properties/Settings.Designer.cs b/Wox/Properties/Settings.Designer.cs
index 48d7afebc..afa2aca78 100644
--- a/Wox/Properties/Settings.Designer.cs
+++ b/Wox/Properties/Settings.Designer.cs
@@ -12,7 +12,7 @@ namespace Wox.Properties {
     
     
     [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
-    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "16.3.0.0")]
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "16.4.0.0")]
     internal sealed partial class Settings : global::System.Configuration.ApplicationSettingsBase {
         
         private static Settings defaultInstance = ((Settings)(global::System.Configuration.ApplicationSettingsBase.Synchronized(new Settings())));
diff --git a/Wox/SettingWindow.xaml b/Wox/SettingWindow.xaml
index e872e3937..3c12bda6f 100644
--- a/Wox/SettingWindow.xaml
+++ b/Wox/SettingWindow.xaml
@@ -55,7 +55,7 @@
                 <CheckBox Margin="10" IsChecked="{Binding Settings.AutoUpdates}">
                     <TextBlock Text="{DynamicResource autoUpdates}" />
                 </CheckBox>
-                <CheckBox Margin="10" IsChecked="{Binding Settings.ShouldUsePinyin}">
+                <CheckBox Margin="10" IsChecked="{Binding ShouldUsePinyin}">
                     <TextBlock Text="{DynamicResource ShouldUsePinyin}" />
                 </CheckBox>
                 <StackPanel Margin="10" Orientation="Horizontal">
@@ -72,8 +72,8 @@
                 </StackPanel>
                 <StackPanel Margin="10" Orientation="Horizontal">
                     <TextBlock Text="{DynamicResource language}" />
-                    <ComboBox Margin="10 0 0 0" Width="120" SelectionChanged="OnLanguageChanged"
-                              ItemsSource="{Binding Languages}" SelectedValue="{Binding Settings.Language}"
+                    <ComboBox Margin="10 0 0 0" Width="120"
+                              ItemsSource="{Binding Languages}" SelectedValue="{Binding Language}"
                               DisplayMemberPath="Display" SelectedValuePath="LanguageCode" />
                 </StackPanel>
                 <StackPanel Orientation="Horizontal" Margin="10">
diff --git a/Wox/SettingWindow.xaml.cs b/Wox/SettingWindow.xaml.cs
index 52addf362..df3b363d5 100644
--- a/Wox/SettingWindow.xaml.cs
+++ b/Wox/SettingWindow.xaml.cs
@@ -40,12 +40,6 @@ public SettingWindow(IPublicAPI api, SettingWindowViewModel viewModel)
 
         #region General
 
-        void OnLanguageChanged(object sender, SelectionChangedEventArgs e)
-        {
-            var language = (Language)e.AddedItems[0];
-            InternationalizationManager.Instance.ChangeLanguage(language);
-        }
-
         private void OnAutoStartupChecked(object sender, RoutedEventArgs e)
         {
             SetStartup();
diff --git a/Wox/ViewModel/SettingWindowViewModel.cs b/Wox/ViewModel/SettingWindowViewModel.cs
index 504e7bdfa..f9160df9f 100644
--- a/Wox/ViewModel/SettingWindowViewModel.cs
+++ b/Wox/ViewModel/SettingWindowViewModel.cs
@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
@@ -77,6 +77,33 @@ public List<LastQueryMode> LastQueryModes
             }
         }
 
+        public string Language
+        {
+            get
+            {
+                return Settings.Language;
+            }
+            set
+            {
+                InternationalizationManager.Instance.ChangeLanguage(value);
+
+                if (InternationalizationManager.Instance.PromptShouldUsePinyin(value))
+                    ShouldUsePinyin = true;
+            }
+        }
+
+        public bool ShouldUsePinyin
+        {
+            get 
+            {
+                return Settings.ShouldUsePinyin;            
+            }
+            set 
+            {
+                Settings.ShouldUsePinyin = value;
+            }
+        }
+
         public List<string> QuerySearchPrecisionStrings
         {
             get
diff --git a/Wox/Wox.csproj b/Wox/Wox.csproj
index 3d1b0a5c1..65aae9d9e 100644
--- a/Wox/Wox.csproj
+++ b/Wox/Wox.csproj
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Wox</RootNamespace>
     <AssemblyName>Wox</AssemblyName>
-    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <ProjectTypeGuids>{60dc8134-eba5-43b8-bcc9-bb4bc16c2548};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
     <WarningLevel>4</WarningLevel>