diff --git a/shadowsocks-csharp/Controller/I18N.cs b/shadowsocks-csharp/Controller/I18N.cs
index e1e46430..75501f04 100755
--- a/shadowsocks-csharp/Controller/I18N.cs
+++ b/shadowsocks-csharp/Controller/I18N.cs
@@ -76,7 +76,7 @@ namespace Shadowsocks.Controller
         static I18N()
         {
             string locale = CultureInfo.CurrentCulture.Name;
-            string i18n = File.ReadAllText(Utils.GetDataPath(I18N_FILE), Encoding.UTF8);
+            string i18n = File.ReadAllText(I18N_FILE, Encoding.UTF8);
             Logging.Info("Current language is: " + locale);
             Init(i18n, locale);
         }
diff --git a/shadowsocks-csharp/Controller/Service/PrivoxyRunner.cs b/shadowsocks-csharp/Controller/Service/PrivoxyRunner.cs
index c050b56d..c0b4d6a7 100644
--- a/shadowsocks-csharp/Controller/Service/PrivoxyRunner.cs
+++ b/shadowsocks-csharp/Controller/Service/PrivoxyRunner.cs
@@ -7,7 +7,6 @@ using System.Net.Sockets;
 using System.Text;
 using System.Windows.Forms;
 using Shadowsocks.Model;
-using Shadowsocks.Properties;
 using Shadowsocks.Util;
 using Shadowsocks.Util.ProcessManagement;
 
diff --git a/shadowsocks-csharp/Encryption/MbedTLS.cs b/shadowsocks-csharp/Encryption/MbedTLS.cs
index 3aa077aa..acb01f6d 100644
--- a/shadowsocks-csharp/Encryption/MbedTLS.cs
+++ b/shadowsocks-csharp/Encryption/MbedTLS.cs
@@ -16,7 +16,7 @@ namespace Shadowsocks.Encryption
 
         static MbedTLS()
         {
-            LoadLibrary(Utils.GetDataPath(DLLNAME));
+            LoadLibrary(DLLNAME);
         }
 
         public static byte[] MD5(byte[] input)
diff --git a/shadowsocks-csharp/Encryption/OpenSSL.cs b/shadowsocks-csharp/Encryption/OpenSSL.cs
index 3d1870c8..a5b9ce99 100644
--- a/shadowsocks-csharp/Encryption/OpenSSL.cs
+++ b/shadowsocks-csharp/Encryption/OpenSSL.cs
@@ -24,7 +24,7 @@ namespace Shadowsocks.Encryption
 
         static OpenSSL()
         {
-            LoadLibrary(Utils.GetDataPath(DLLNAME));
+            LoadLibrary(DLLNAME);
         }
 
         public static IntPtr GetCipherInfo(string cipherName)
diff --git a/shadowsocks-csharp/Encryption/Sodium.cs b/shadowsocks-csharp/Encryption/Sodium.cs
index 50bc5c68..51810ae5 100755
--- a/shadowsocks-csharp/Encryption/Sodium.cs
+++ b/shadowsocks-csharp/Encryption/Sodium.cs
@@ -18,7 +18,7 @@ namespace Shadowsocks.Encryption
 
         static Sodium()
         {
-            LoadLibrary(Utils.GetDataPath(DLLNAME));
+            LoadLibrary(DLLNAME);
 
             lock (_initLock)
             {
diff --git a/shadowsocks-csharp/Util/SystemProxy/Sysproxy.cs b/shadowsocks-csharp/Util/SystemProxy/Sysproxy.cs
index b928e07c..32e9241f 100644
--- a/shadowsocks-csharp/Util/SystemProxy/Sysproxy.cs
+++ b/shadowsocks-csharp/Util/SystemProxy/Sysproxy.cs
@@ -150,9 +150,9 @@ namespace Shadowsocks.Util.SystemProxy
                 using (var process = new Process())
                 {
                     // Configure the process using the StartInfo properties.
-                    process.StartInfo.FileName = Utils.GetDataPath(SysproxyName);
+                    process.StartInfo.FileName = SysproxyName;
                     process.StartInfo.Arguments = arguments;
-                    process.StartInfo.WorkingDirectory = Utils.GetDataPath();
+                    process.StartInfo.WorkingDirectory = Directory.GetCurrentDirectory();
                     process.StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
                     process.StartInfo.UseShellExecute = false;
                     process.StartInfo.RedirectStandardError = true;
diff --git a/shadowsocks-csharp/Util/Util.cs b/shadowsocks-csharp/Util/Util.cs
index 9c79b042..3d8efe92 100755
--- a/shadowsocks-csharp/Util/Util.cs
+++ b/shadowsocks-csharp/Util/Util.cs
@@ -139,25 +139,6 @@ namespace Shadowsocks.Util
             }
         }
 
-        public static string UnGzip(byte[] buf)
-        {
-            byte[] buffer = new byte[1024];
-            int n;
-            using (MemoryStream sb = new MemoryStream())
-            {
-                using (GZipStream input = new GZipStream(new MemoryStream(buf),
-                                                         CompressionMode.Decompress,
-                                                         false))
-                {
-                    while ((n = input.Read(buffer, 0, buffer.Length)) > 0)
-                    {
-                        sb.Write(buffer, 0, n);
-                    }
-                }
-                return System.Text.Encoding.UTF8.GetString(sb.ToArray());
-            }
-        }
-
         public static string FormatBandwidth(long n)
         {
             var result = GetBandwidthScale(n);
diff --git a/shadowsocks-csharp/shadowsocks-csharp.csproj b/shadowsocks-csharp/shadowsocks-csharp.csproj
index 1a93702b..36f0a9fb 100644
--- a/shadowsocks-csharp/shadowsocks-csharp.csproj
+++ b/shadowsocks-csharp/shadowsocks-csharp.csproj
@@ -255,9 +255,6 @@
     <None Include="app.manifest">
       <SubType>Designer</SubType>
     </None>
-    <None Include="Data\i18n.csv">
-      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
-    </None>
   </ItemGroup>
   <ItemGroup>
     <None Include="packages.config" />
@@ -273,24 +270,32 @@
     <Content Include="Data\default-abp-rule.js">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>
-    <Content Include="Data\libsscrypto.dll">
+    <ContentWithTargetPath Include="Data\libsscrypto.dll">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
-    </Content>
+      <TargetPath>libsscrypto.dll</TargetPath>
+    </ContentWithTargetPath >
     <Content Include="Data\privoxy.exe">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>
     <Content Include="Data\privoxy_conf.txt">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>
-    <Content Include="Data\sysproxy.exe">
+    <ContentWithTargetPath Include="Data\sysproxy.exe">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
-    </Content>
-    <Content Include="Data\sysproxy64.exe">
+      <TargetPath>sysproxy.exe</TargetPath>
+    </ContentWithTargetPath>
+    <ContentWithTargetPath Include="Data\sysproxy64.exe">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
-    </Content>
-    <Content Include="Data\user-rule.txt">
+      <TargetPath>sysproxy64.exe</TargetPath>
+    </ContentWithTargetPath>
+    <ContentWithTargetPath Include="Data\user-rule.txt">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
-    </Content>
+      <TargetPath>user-rule.txt</TargetPath>
+    </ContentWithTargetPath>
+    <ContentWithTargetPath  Include="Data\i18n.csv">
+      <TargetPath>i18n.csv</TargetPath>
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </ContentWithTargetPath >
     <None Include="FodyWeavers.xml">
       <SubType>Designer</SubType>
     </None>