diff --git a/handler.go b/handler.go
index 15a6724..9aa7578 100644
--- a/handler.go
+++ b/handler.go
@@ -1,6 +1,8 @@
 package main
 
 import (
+	"bufio"
+	"bytes"
 	"fmt"
 	"io"
 	"log"
@@ -9,7 +11,9 @@ import (
 	"strings"
 	"time"
 
+	"github.com/fangdingjun/gnutls"
 	auth "github.com/fangdingjun/go-http-auth"
+	nghttp2 "github.com/fangdingjun/nghttp2-go"
 )
 
 // handler process the proxy request first(if enabled)
@@ -231,3 +235,103 @@ func pipeAndClose(r1, r2 io.ReadWriteCloser) {
 
 	<-ch
 }
+
+func handleHTTPClient(c net.Conn, handler http.Handler) {
+	tlsconn := c.(*gnutls.Conn)
+	if err := tlsconn.Handshake(); err != nil {
+		log.Println(err)
+		return
+	}
+	state := tlsconn.ConnectionState()
+	if state.NegotiatedProtocol == "h2" {
+		h2conn, err := nghttp2.Server(tlsconn, handler)
+		if err != nil {
+			log.Println(err)
+		}
+		h2conn.Run()
+		return
+	}
+
+	defer c.Close()
+	r := bufio.NewReader(tlsconn)
+	buf := new(bytes.Buffer)
+	for {
+		req, err := http.ReadRequest(r)
+		if err != nil {
+			return
+		}
+		addr := tlsconn.RemoteAddr().String()
+		req.RemoteAddr = addr
+		rh := &responseHandler{
+			c:      tlsconn,
+			header: http.Header{},
+			buf:    buf,
+		}
+		handler.ServeHTTP(rh, req)
+		rh.Write(nil)
+		rh.buf.WriteTo(rh.c)
+	}
+}
+
+type responseHandler struct {
+	c            net.Conn
+	statusCode   int
+	header       http.Header
+	responseSend bool
+	w            io.Writer
+	buf          *bytes.Buffer
+}
+
+func (r *responseHandler) WriteHeader(statusCode int) {
+	if r.responseSend {
+		return
+	}
+	r.buf.Reset()
+	r.statusCode = statusCode
+	cl := r.header.Get("content-length")
+	te := r.header.Get("transfer-encoding")
+	if cl == "" || te != "" {
+		if te == "" {
+			r.header.Set("transfer-encoding", "chunked")
+		}
+		r.w = &chunkWriter{r.buf}
+	} else {
+		r.w = r.buf
+	}
+	fmt.Fprintf(r.buf, "HTTP/1.1 %d %s\r\n", statusCode,
+		http.StatusText(statusCode))
+	for k, v := range r.header {
+		fmt.Fprintf(r.buf, "%s: %s\r\n", strings.Title(k), strings.Join(v, ","))
+	}
+	fmt.Fprintf(r.buf, "\r\n")
+	r.responseSend = true
+}
+
+func (r *responseHandler) Header() http.Header {
+	return r.header
+}
+
+func (r *responseHandler) Write(buf []byte) (int, error) {
+	if !r.responseSend {
+		r.WriteHeader(http.StatusOK)
+	}
+	n, err := r.w.Write(buf)
+	if r.buf.Len() > 2048 {
+		r.buf.WriteTo(r.c)
+	}
+	return n, err
+}
+
+var _ http.ResponseWriter = &responseHandler{}
+
+type chunkWriter struct {
+	w io.Writer
+}
+
+func (cw *chunkWriter) Write(buf []byte) (int, error) {
+	n := len(buf)
+	if n == 0 {
+		return fmt.Fprintf(cw.w, "0\r\n\r\n")
+	}
+	return fmt.Fprintf(cw.w, "%x\r\n%s\r\n", n, string(buf))
+}
diff --git a/routers.go b/routers.go
index 63e9c03..504f60b 100644
--- a/routers.go
+++ b/routers.go
@@ -1,8 +1,6 @@
 package main
 
 import (
-	"bufio"
-	"bytes"
 	"fmt"
 	"io"
 	"log"
@@ -18,7 +16,6 @@ import (
 	"github.com/fangdingjun/gnutls"
 	auth "github.com/fangdingjun/go-http-auth"
 	"github.com/fangdingjun/gofast"
-	nghttp2 "github.com/fangdingjun/nghttp2-go"
 	loghandler "github.com/gorilla/handlers"
 	"github.com/gorilla/mux"
 )
@@ -270,103 +267,3 @@ func (m myURLMatch) match(r *http.Request, route *mux.RouteMatch) bool {
 	ret := m.re.MatchString(r.URL.Path)
 	return ret
 }
-
-func handleHTTPClient(c net.Conn, handler http.Handler) {
-	tlsconn := c.(*gnutls.Conn)
-	if err := tlsconn.Handshake(); err != nil {
-		log.Println(err)
-		return
-	}
-	state := tlsconn.ConnectionState()
-	if state.NegotiatedProtocol == "h2" {
-		h2conn, err := nghttp2.Server(tlsconn, handler)
-		if err != nil {
-			log.Println(err)
-		}
-		h2conn.Run()
-		return
-	}
-
-	defer c.Close()
-	r := bufio.NewReader(tlsconn)
-	buf := new(bytes.Buffer)
-	for {
-		req, err := http.ReadRequest(r)
-		if err != nil {
-			return
-		}
-		addr := tlsconn.RemoteAddr().String()
-		req.RemoteAddr = addr
-		rh := &responseHandler{
-			c:      tlsconn,
-			header: http.Header{},
-			buf:    buf,
-		}
-		handler.ServeHTTP(rh, req)
-		rh.Write(nil)
-		rh.buf.WriteTo(rh.c)
-	}
-}
-
-type responseHandler struct {
-	c            net.Conn
-	statusCode   int
-	header       http.Header
-	responseSend bool
-	w            io.Writer
-	buf          *bytes.Buffer
-}
-
-func (r *responseHandler) WriteHeader(statusCode int) {
-	if r.responseSend {
-		return
-	}
-	r.buf.Reset()
-	r.statusCode = statusCode
-	cl := r.header.Get("content-length")
-	te := r.header.Get("transfer-encoding")
-	if cl == "" || te != "" {
-		if te == "" {
-			r.header.Set("transfer-encoding", "chunked")
-		}
-		r.w = &chunkWriter{r.buf}
-	} else {
-		r.w = r.buf
-	}
-	fmt.Fprintf(r.buf, "HTTP/1.1 %d %s\r\n", statusCode,
-		http.StatusText(statusCode))
-	for k, v := range r.header {
-		fmt.Fprintf(r.buf, "%s: %s\r\n", strings.Title(k), strings.Join(v, ","))
-	}
-	fmt.Fprintf(r.buf, "\r\n")
-	r.responseSend = true
-}
-
-func (r *responseHandler) Header() http.Header {
-	return r.header
-}
-
-func (r *responseHandler) Write(buf []byte) (int, error) {
-	if !r.responseSend {
-		r.WriteHeader(http.StatusOK)
-	}
-	n, err := r.w.Write(buf)
-	if r.buf.Len() > 2048 {
-		r.buf.WriteTo(r.c)
-	}
-	return n, err
-}
-
-var _ http.ResponseWriter = &responseHandler{}
-
-type chunkWriter struct {
-	w io.Writer
-}
-
-func (cw *chunkWriter) Write(buf []byte) (int, error) {
-	n := len(buf)
-	if n == 0 {
-		return fmt.Fprintf(cw.w, "0\r\n\r\n")
-	}
-	return fmt.Fprintf(cw.w, "%x\r\n%s\r\n", n, string(buf))
-}