diff --git a/shadowsocks-csharp/CommandLineOption.cs b/shadowsocks-csharp/CommandLineOption.cs
new file mode 100644
index 00000000..1ab23ec4
--- /dev/null
+++ b/shadowsocks-csharp/CommandLineOption.cs
@@ -0,0 +1,10 @@
+using CommandLine;
+
+namespace Shadowsocks
+{
+    public class CommandLineOption
+    {
+        [Option("open-url",Required = false,HelpText = "Add an ss:// URL")]
+        public string OpenUrl { get; set; }
+    }
+}
\ No newline at end of file
diff --git a/shadowsocks-csharp/Program.cs b/shadowsocks-csharp/Program.cs
index e582595a..2bee9850 100755
--- a/shadowsocks-csharp/Program.cs
+++ b/shadowsocks-csharp/Program.cs
@@ -1,20 +1,19 @@
-using Microsoft.Win32;
-using NLog;
-using Shadowsocks.Controller;
-using Shadowsocks.Controller.Hotkeys;
-using Shadowsocks.Util;
-using Shadowsocks.View;
 using System;
-using System.Collections.Generic;
 using System.Diagnostics;
 using System.IO;
 using System.IO.Pipes;
-using System.Linq;
 using System.Net;
 using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
 using System.Windows.Forms;
+using CommandLine;
+using Microsoft.Win32;
+using NLog;
+using Shadowsocks.Controller;
+using Shadowsocks.Controller.Hotkeys;
+using Shadowsocks.Util;
+using Shadowsocks.View;
 
 namespace Shadowsocks
 {
@@ -23,6 +22,7 @@ namespace Shadowsocks
         private static readonly Logger logger = LogManager.GetCurrentClassLogger();
         public static ShadowsocksController MainController { get; private set; }
         public static MenuViewController MenuController { get; private set; }
+        public static CommandLineOption Options { get; private set; }
         public static string[] Args { get; private set; }
 
         // https://github.com/dotnet/runtime/issues/13051#issuecomment-510267727
@@ -35,6 +35,12 @@ namespace Shadowsocks
         [STAThread]
         private static void Main(string[] args)
         {
+            // store args for further use
+            Args = args;
+            Parser.Default.ParseArguments<CommandLineOption>(args)
+                .WithParsed(opt => Options = opt)
+                .WithNotParsed(e => e.Output());
+
             Directory.SetCurrentDirectory(WorkingDirectory);
             // todo: initialize the NLog configuartion
             Model.NLogConfig.TouchAndApplyNLogConfig();
@@ -43,8 +49,6 @@ namespace Shadowsocks
             ServicePointManager.SecurityProtocol |=
                 SecurityProtocolType.Tls | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls12;
 
-            // store args for further use
-            Args = args;
             // Check OS since we are using dual-mode socket
             if (!Utils.IsWinVistaOrHigher())
             {
@@ -65,8 +69,6 @@ namespace Shadowsocks
             }
             string pipename = $"Shadowsocks\\{ExecutablePath.GetHashCode()}";
 
-            string addedUrl = null;
-
             using (NamedPipeClientStream pipe = new NamedPipeClientStream(pipename))
             {
                 bool pipeExist = false;
@@ -80,35 +82,19 @@ namespace Shadowsocks
                     pipeExist = false;
                 }
 
-                // TODO: switch to better argv parser when it's getting complicate
-                List<string> alist = Args.ToList();
-                // check --open-url param
-                int urlidx = alist.IndexOf("--open-url") + 1;
-                if (urlidx > 0)
+                // --open-url exist, and no other instance, add it later
+                if (pipeExist && !string.IsNullOrWhiteSpace(Options.OpenUrl))
                 {
-                    if (Args.Length <= urlidx)
-                    {
-                        return;
-                    }
-
-                    // --open-url exist, and no other instance, add it later
-                    if (!pipeExist)
-                    {
-                        addedUrl = Args[urlidx];
-                    }
-                    // has other instance, send url via pipe then exit
-                    else
-                    {
-                        byte[] b = Encoding.UTF8.GetBytes(Args[urlidx]);
-                        byte[] opAddUrl = BitConverter.GetBytes(IPAddress.HostToNetworkOrder(1));
-                        byte[] blen = BitConverter.GetBytes(IPAddress.HostToNetworkOrder(b.Length));
-                        pipe.Write(opAddUrl, 0, 4); // opcode addurl
-                        pipe.Write(blen, 0, 4);
-                        pipe.Write(b, 0, b.Length);
-                        pipe.Close();
-                        return;
-                    }
+                    byte[] b = Encoding.UTF8.GetBytes(Options.OpenUrl);
+                    byte[] opAddUrl = BitConverter.GetBytes(IPAddress.HostToNetworkOrder(1));
+                    byte[] blen = BitConverter.GetBytes(IPAddress.HostToNetworkOrder(b.Length));
+                    pipe.Write(opAddUrl, 0, 4); // opcode addurl
+                    pipe.Write(blen, 0, 4);
+                    pipe.Write(b, 0, b.Length);
+                    pipe.Close();
+                    return;
                 }
+
                 // has another instance, and no need to communicate with it return
                 else if (pipeExist)
                 {
@@ -153,9 +139,9 @@ namespace Shadowsocks
             NamedPipeServer namedPipeServer = new NamedPipeServer();
             Task.Run(() => namedPipeServer.Run(pipename));
             namedPipeServer.AddUrlRequested += (_1, e) => MainController.AskAddServerBySSURL(e.Url);
-            if (!addedUrl.IsNullOrEmpty())
+            if (!string.IsNullOrWhiteSpace(Options.OpenUrl))
             {
-                MainController.AskAddServerBySSURL(addedUrl);
+                MainController.AskAddServerBySSURL(Options.OpenUrl);
             }
             Application.Run();
         }
diff --git a/shadowsocks-csharp/packages.config b/shadowsocks-csharp/packages.config
index fbabcf90..008d3c40 100644
--- a/shadowsocks-csharp/packages.config
+++ b/shadowsocks-csharp/packages.config
@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Caseless.Fody" version="1.8.3" targetFramework="net472" />
+  <package id="CommandLineParser" version="2.8.0" targetFramework="net472" />
   <package id="Costura.Fody" version="3.3.3" targetFramework="net472" />
   <package id="Fody" version="4.2.1" targetFramework="net472" developmentDependency="true" />
   <package id="GlobalHotKey" version="1.1.0" targetFramework="net472" />
diff --git a/shadowsocks-csharp/shadowsocks-csharp.csproj b/shadowsocks-csharp/shadowsocks-csharp.csproj
index 64a3fc77..c9f298df 100644
--- a/shadowsocks-csharp/shadowsocks-csharp.csproj
+++ b/shadowsocks-csharp/shadowsocks-csharp.csproj
@@ -71,6 +71,9 @@
     <Reference Include="Caseless, Version=1.8.3.0, Culture=neutral, PublicKeyToken=409b3227471b0f0d, processorArchitecture=MSIL">
       <HintPath>..\packages\Caseless.Fody.1.8.3\lib\net452\Caseless.dll</HintPath>
     </Reference>
+    <Reference Include="CommandLine, Version=2.8.0.0, Culture=neutral, PublicKeyToken=5a870481e358d379, processorArchitecture=MSIL">
+      <HintPath>..\packages\CommandLineParser.2.8.0\lib\net461\CommandLine.dll</HintPath>
+    </Reference>
     <Reference Include="Costura, Version=3.3.3.0, Culture=neutral, PublicKeyToken=9919ef960d84173d, processorArchitecture=MSIL">
       <HintPath>..\packages\Costura.Fody.3.3.3\lib\net40\Costura.dll</HintPath>
     </Reference>
@@ -162,6 +165,7 @@
     </Reference>
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="CommandLineOption.cs" />
     <Compile Include="Controller\HotkeyReg.cs" />
     <Compile Include="Controller\LoggerExtension.cs" />
     <Compile Include="Controller\Service\GeositeUpdater.cs" />