diff --git a/shadowsocks-csharp/Controller/Service/HttpHandler.cs b/shadowsocks-csharp/Controller/Service/HttpHandler.cs
index 2f1f05b6..5f1e1836 100644
--- a/shadowsocks-csharp/Controller/Service/HttpHandler.cs
+++ b/shadowsocks-csharp/Controller/Service/HttpHandler.cs
@@ -60,8 +60,7 @@ namespace Shadowsocks.Controller.Service
 
         private void OnException(Exception ex, object state)
         {
-            Logging.LogUsefulException(ex);
-            Close();
+            throw ex;
         }
 
         private static readonly Regex HttpRequestHeaderRegex = new Regex(@"^([A-Z]+?) ([^\s]+) HTTP/1\.\d$");
diff --git a/shadowsocks-csharp/Controller/ShadowsocksController.cs b/shadowsocks-csharp/Controller/ShadowsocksController.cs
index 3e12bddf..79e0d152 100644
--- a/shadowsocks-csharp/Controller/ShadowsocksController.cs
+++ b/shadowsocks-csharp/Controller/ShadowsocksController.cs
@@ -463,6 +463,7 @@ namespace Shadowsocks.Controller
                 services.Add(_pacServer);
                 services.Add(tcpRelay);
                 services.Add(udpRelay);
+                //services.Add(new Http2Socks5(_config.localPort));
                 _listener = new Listener(services);
                 _listener.Start(_config);
             }