diff --git a/CHANGES b/CHANGES
index 442d5de7..b7838460 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,7 @@
+2.0.4
+- Try to fix data corruption
+- Remove all configuration except x86
+
 2.0.3
 - Support QRCode generation
 - Fix compatibility issues with some Chrome version
diff --git a/shadowsocks-csharp.sln b/shadowsocks-csharp.sln
index c98f328b..46bde1a8 100755
--- a/shadowsocks-csharp.sln
+++ b/shadowsocks-csharp.sln
@@ -5,19 +5,13 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "shadowsocks-csharp", "shado
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
-		Debug|Any CPU = Debug|Any CPU
 		Debug|x86 = Debug|x86
-		Release|Any CPU = Release|Any CPU
 		Release|x86 = Release|x86
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
-		{8C02D2F7-7CDB-4D55-9F25-CD03EF4AA062}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{8C02D2F7-7CDB-4D55-9F25-CD03EF4AA062}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{8C02D2F7-7CDB-4D55-9F25-CD03EF4AA062}.Debug|x86.ActiveCfg = Debug|x86
 		{8C02D2F7-7CDB-4D55-9F25-CD03EF4AA062}.Debug|x86.Build.0 = Debug|x86
 		{8C02D2F7-7CDB-4D55-9F25-CD03EF4AA062}.Debug|x86.Deploy.0 = Debug|x86
-		{8C02D2F7-7CDB-4D55-9F25-CD03EF4AA062}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{8C02D2F7-7CDB-4D55-9F25-CD03EF4AA062}.Release|Any CPU.Build.0 = Release|Any CPU
 		{8C02D2F7-7CDB-4D55-9F25-CD03EF4AA062}.Release|x86.ActiveCfg = Release|x86
 		{8C02D2F7-7CDB-4D55-9F25-CD03EF4AA062}.Release|x86.Build.0 = Release|x86
 	EndGlobalSection
diff --git a/shadowsocks-csharp/Properties/AssemblyInfo.cs b/shadowsocks-csharp/Properties/AssemblyInfo.cs
index e6316b3a..02c3eba7 100755
--- a/shadowsocks-csharp/Properties/AssemblyInfo.cs
+++ b/shadowsocks-csharp/Properties/AssemblyInfo.cs
@@ -32,5 +32,5 @@ using System.Runtime.InteropServices;
 // 可以指定所有这些值，也可以使用“内部版本号”和“修订号”的默认值，
 // 方法是按如下所示使用“*”:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("2.0.3")]
+[assembly: AssemblyVersion("2.0.4")]
 // [assembly: AssemblyFileVersion("2.0.0")]
diff --git a/shadowsocks-csharp/shadowsocks-csharp.csproj b/shadowsocks-csharp/shadowsocks-csharp.csproj
index 22422445..45afa2e7 100755
--- a/shadowsocks-csharp/shadowsocks-csharp.csproj
+++ b/shadowsocks-csharp/shadowsocks-csharp.csproj
@@ -37,26 +37,6 @@
     <UseApplicationTrust>false</UseApplicationTrust>
     <BootstrapperEnabled>true</BootstrapperEnabled>
   </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
-    <DebugSymbols>true</DebugSymbols>
-    <DebugType>full</DebugType>
-    <Optimize>false</Optimize>
-    <OutputPath>bin\Debug\</OutputPath>
-    <DefineConstants>TRACE;DEBUG;SIMPLE_JSON_NO_LINQ_EXPRESSION</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-    <Prefer32Bit>false</Prefer32Bit>
-    <UseVSHostingProcess>true</UseVSHostingProcess>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
-    <DebugType>pdbonly</DebugType>
-    <Optimize>true</Optimize>
-    <OutputPath>bin\Release\</OutputPath>
-    <DefineConstants>TRACE;SIMPLE_JSON_NO_LINQ_EXPRESSION</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-    <Prefer32Bit>false</Prefer32Bit>
-  </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x86'">
     <DebugSymbols>true</DebugSymbols>
     <OutputPath>bin\x86\Debug\</OutputPath>