diff --git a/lib/application.ex b/lib/application.ex
index 17b50c8..8834389 100644
--- a/lib/application.ex
+++ b/lib/application.ex
@@ -10,17 +10,10 @@ defmodule Sample.Application do
     end
   end
 
-  def env(_app) do
-    [
-      {:port, 8002}
-    ]
-  end
-
   def start(_, _) do
+      opts     = [ strategy: :one_for_one,  name: Sample.Supervisor]
       children = [ { Bandit, scheme: :http, plug: Sample.Static, port: 8004 },
                    { Bandit, scheme: :http, plug: Sample.WS, port: 8002 } ]
-      opts = [strategy: :one_for_one, name: Sample.Supervisor]
-#     :cowboy.start_clear(:http, env(:sample), %{env: %{dispatch: :n2o_cowboy.points()}})
       :kvs.join()
       Supervisor.start_link(children, strategy: :one_for_one, name: Sample.Supervisor)
   end
diff --git a/lib/routes.ex b/lib/routes.ex
deleted file mode 100644
index c82820a..0000000
--- a/lib/routes.ex
+++ /dev/null
@@ -1,21 +0,0 @@
-defmodule Sample.Routes do
-  require N2O
-
-  def finish(state, context), do: {:ok, state, context}
-
-  def init(state, context) do
-    %{path: path} = N2O.cx(context, :req)
-    {:ok, state, N2O.cx(context, path: path, module: route_prefix(path))}
-  end
-
-  defp route_prefix(<<"/ws/", p::binary>>), do: route(p)
-  defp route_prefix(<<"/", p::binary>>), do: route(p)
-  defp route_prefix(path), do: route(path)
-
-  defp route(<<>>), do: Sample.Login
-  defp route(<<"index", _::binary>>), do: Sample.Index
-  defp route(<<"login", _::binary>>), do: Sample.Login
-  defp route(<<"app/index", _::binary>>), do: Sample.Index
-  defp route(<<"app/login", _::binary>>), do: Sample.Login
-  defp route(_), do: Sample.Login
-end
diff --git a/lib/static.ex b/lib/static.ex
index fca559b..437f910 100644
--- a/lib/static.ex
+++ b/lib/static.ex
@@ -1,6 +1,5 @@
 defmodule Sample.Static do
   use Plug.Router
   plug Plug.Static, from: {:sample, "priv/static"}, at: "/app"
-  match _ do send_resp(conn, 404,
-    "Please refer to https://n2o.dev for information about endpoints addresses.") end
+  match _ do send_resp(conn, 404, "Please refer to https://n2o.dev for more information.") end
 end
diff --git a/lib/ws.ex b/lib/ws.ex
index c9a13d0..f6acef0 100644
--- a/lib/ws.ex
+++ b/lib/ws.ex
@@ -1,37 +1,25 @@
 defmodule Sample.WS do
 
   use Plug.Router
+  require N2O
   plug :match
   plug :dispatch
 
-  get "/" do send_resp(conn, 200, "NONE") end
-  get "/ws/app/index.htm" do conn |> WebSockAdapter.upgrade(Sample.WS, [], timeout: 60_000) |> halt() end
-  get "/ws/app/login.htm" do conn |> WebSockAdapter.upgrade(Sample.WS, [], timeout: 60_000) |> halt() end
+  def extract("index" <> __), do: Sample.Index
+  def extract("login" <> __), do: Sample.Login
 
-  def init(args) do {:ok, []} end
+  get "/", do: send_resp(conn, 200, "NONE")
+  get "/ws/app/:mod", do: conn |> WebSockAdapter.upgrade(Sample.WS, [module: extract(mod)], timeout: 60_000) |> halt()
 
-  def handle_in({"N2O," <> key = message, options}, state) do
-      {_,m,r,s} = :n2o_proto.stream(message,[],state)
-      :io.format 'N2O: ~p~n', [key]
-      {:reply, :ok, m, s}
-  end
-
-  def handle_in({"PING", options}, state) do
-      :io.format 'PING~n'
-      {:reply, :ok, {:text, "PONG"}, state}
-  end
-
-  def handle_in({message, options}, state) do
-      :io.format 'Binary: ~p~n', [message]
-      {x,m,r,s} = :n2o_proto.stream(message,[],state)
-      :io.format 'Processed: ~p~n', [{x,m,r,s}]
-      response({x,m,r,s})
-  end
+  def init(args), do: {:ok, N2O.cx(module: Keyword.get(args, :module)) }
+  def handle_in({"N2O," <> _ = message, _}, state), do: response(:n2o_proto.stream({:text,message},[],state))
+  def handle_in({"PING",  _}, state), do: {:reply, :ok, {:text, "PONG"}, state}
+  def handle_in({message, _}, state), do: response(:n2o_proto.stream(message,[],state))
 
   def response({:reply,{:binary,rep},_,s}), do: {:reply,:ok,{:binary,rep},s}
-  def response({:reply,{:text,rep},_,s}), do: {:reply,:ok,{:text,rep},s}
-  def response({:reply,{:bert,rep},_,s}), do: {:reply,:ok,{:binary,:n2o_bert.encode(rep)},s}
-  def response({:reply,{:json,rep},_,s}), do: {:reply,:ok,{:binary,:n2o_json.encode(rep)},s}
+  def response({:reply,{:text,rep},_,s}),   do: {:reply,:ok,{:text,rep},s}
+  def response({:reply,{:bert,rep},_,s}),   do: {:reply,:ok,{:binary,:n2o_bert.encode(rep)},s}
+  def response({:reply,{:json,rep},_,s}),   do: {:reply,:ok,{:binary,:n2o_json.encode(rep)},s}
   def response({:reply,{encoder,rep},_,s}), do: {:reply,:ok,{:binary,encoder.encode(rep)},s}
 
   match _ do send_resp(conn, 404, "Please refer to https://n2o.dev for more information.") end
diff --git a/priv/static/index.htm b/priv/static/index.htm
index f4d589f..809eb6f 100644
--- a/priv/static/index.htm
+++ b/priv/static/index.htm
@@ -24,7 +24,7 @@ <h2 id="heading">room</h2>
     <script src="https://ws.n2o.dev/priv/heart.js"></script>
     <script src="https://ws.n2o.dev/priv/ieee754.js"></script>
     <script src="https://ws.n2o.dev/priv/n2o.js"></script>
-    <script>host = location.hostname; port = 8002; debug = true;</script>
+    <script>host = location.hostname; port = 8002; debug = true; persistent = true;</script>
     <script src="https://ws.n2o.dev/priv/ftp.js"></script>
     <script src="https://nitro.n2o.dev/priv/js/nitro.js"></script>
     <script>$io.do = function(r) { console.log(r); };</script>
diff --git a/priv/static/login.htm b/priv/static/login.htm
index 8665ea5..9f3c7cd 100644
--- a/priv/static/login.htm
+++ b/priv/static/login.htm
@@ -25,7 +25,7 @@
     <script src="https://ws.n2o.dev/priv/heart.js"></script>
     <script src="https://ws.n2o.dev/priv/ieee754.js"></script>
     <script src="https://ws.n2o.dev/priv/n2o.js"></script>
-    <script>host = location.hostname; port = 8002; debug = true;</script>
+    <script>host = location.hostname; port = 8002; debug = true; persistent = true;</script>
     <script src="https://ws.n2o.dev/priv/ftp.js"></script>
     <script src="https://nitro.n2o.dev/priv/js/nitro.js"></script>
     <script>$io.do = function(r) { console.log(r); };</script>