diff --git a/wshandler/api_handler_test.go b/wshandler/api_handler_test.go
index 797e067..2c2447b 100644
--- a/wshandler/api_handler_test.go
+++ b/wshandler/api_handler_test.go
@@ -4,13 +4,9 @@ package wshandler
 import (
 	"bytes"
 	"encoding/json"
-	"errors"
 	"fmt"
 	"reflect"
 	"testing"
-
-	"github.com/gorilla/websocket"
-	"repositories.action2quare.com/ayo/gocommon/session"
 )
 
 type TestReceiver struct {
@@ -60,57 +56,6 @@ func TestUnmarshalToken(t *testing.T) {
 	// con.AddHandler(receiver)
 
 }
-
-type testpeer struct {
-	id string
-}
-
-func (ph *testpeer) ApiFunc1(arg1 string, arg2 int) error {
-	fmt.Println("ApiFunc1", ph.id, arg1, arg2)
-	return errors.New("fake")
-}
-
-func (ph *testpeer) ApiFunc2(arg1 string, arg2 map[string]int) (string, error) {
-	fmt.Println("ApiFunc2", ph.id, arg1, arg2)
-	return "success", nil
-}
-
-func (ph *testpeer) ApiFunc3(arg1 float64, arg2 []int) {
-	fmt.Println("ApiFunc3", ph.id, arg1, arg2)
-}
-
-func (ph *testpeer) ClientDisconnected(reason string) {
-}
-
-func (ph *testpeer) ClientConnected(*websocket.Conn) {
-}
-
-type dummySessionConsumer struct {
-}
-
-func (dsc *dummySessionConsumer) Query(string) (session.Authorization, error) {
-	return session.Authorization{}, nil
-}
-func (dsc *dummySessionConsumer) Touch(string) (session.Authorization, error) {
-	return session.Authorization{}, nil
-}
-
-func TestPeerApiBroker(t *testing.T) {
-	ws := NewWebsocketPeerHandler[*testpeer](&dummySessionConsumer{}, "test")
-
-	tp := &testpeer{
-		id: "onlyone",
-	}
-	func1args, _ := json.Marshal([]any{string("arg1"), int(100)})
-	ws.Call(tp, "test.ApiFunc1", bytes.NewBuffer(func1args))
-
-	func1args, _ = json.Marshal([]any{string("arg1"), map[string]int{"arg2.key": 99}})
-	ws.Call(tp, "test.ApiFunc2", bytes.NewBuffer(func1args))
-
-	func1args, _ = json.Marshal([]any{float64(111.1), []int{99, 98}})
-	ws.Call(tp, "test.ApiFunc3", bytes.NewBuffer(func1args))
-}
-
 func TestUnmarshal(t *testing.T) {
 	src := []byte(`{"123" :"str1", "456": "str2"}`)
 	var test map[int]string
diff --git a/wshandler/wshandler_peer.go b/wshandler/wshandler_peer.go
index e759e4e..3c944c5 100644
--- a/wshandler/wshandler_peer.go
+++ b/wshandler/wshandler_peer.go
@@ -19,7 +19,11 @@ import (
 	"github.com/gorilla/websocket"
 )
 
-type WebsocketPeerHandler[T PeerInterface] struct {
+type WebsocketPeerHandler interface {
+	RegisterHandlers(serveMux *http.ServeMux, prefix string) error
+}
+
+type websocketPeerHandler[T PeerInterface] struct {
 	methods         map[string]peerApiFuncType[T]
 	CreatePeer      func(primitive.ObjectID) T
 	sessionConsumer session.Consumer
@@ -36,7 +40,7 @@ type websocketPeerApiHandler[T PeerInterface] struct {
 	originalReceiverName string
 }
 
-func (hc *WebsocketPeerHandler[T]) Call(recv T, funcname string, r io.Reader) (v any, e error) {
+func (hc *websocketPeerHandler[T]) call(recv T, funcname string, r io.Reader) (v any, e error) {
 	defer func() {
 		r := recover()
 		if r != nil {
@@ -131,7 +135,7 @@ func makeWebsocketPeerApiHandler[T PeerInterface](receiverName string) websocket
 	}
 }
 
-func NewWebsocketPeerHandler[T PeerInterface](consumer session.Consumer, receiverName string) WebsocketPeerHandler[T] {
+func NewWebsocketPeerHandler[T PeerInterface](consumer session.Consumer, receiverName string) WebsocketPeerHandler {
 	methods := make(map[string]peerApiFuncType[T])
 	receiver := makeWebsocketPeerApiHandler[T](receiverName)
 
@@ -141,13 +145,13 @@ func NewWebsocketPeerHandler[T PeerInterface](consumer session.Consumer, receive
 		methods[k] = v
 	}
 
-	return WebsocketPeerHandler[T]{
+	return &websocketPeerHandler[T]{
 		sessionConsumer: consumer,
 		methods:         methods,
 	}
 }
 
-func (ws *WebsocketPeerHandler[T]) RegisterHandlers(serveMux *http.ServeMux, prefix string) error {
+func (ws *websocketPeerHandler[T]) RegisterHandlers(serveMux *http.ServeMux, prefix string) error {
 	url := gocommon.MakeHttpHandlerPattern(prefix, "ws")
 	if *noAuthFlag {
 		serveMux.HandleFunc(url, ws.upgrade_nosession)
@@ -158,7 +162,7 @@ func (ws *WebsocketPeerHandler[T]) RegisterHandlers(serveMux *http.ServeMux, pre
 	return nil
 }
 
-func (ws *WebsocketPeerHandler[T]) upgrade_core(conn *websocket.Conn, accid primitive.ObjectID, nonce uint32) {
+func (ws *websocketPeerHandler[T]) upgrade_core(conn *websocket.Conn, accid primitive.ObjectID, nonce uint32) {
 	go func(c *websocket.Conn, accid primitive.ObjectID) {
 		peer := ws.CreatePeer(accid)
 		var closeReason string
@@ -200,7 +204,7 @@ func (ws *WebsocketPeerHandler[T]) upgrade_core(conn *websocket.Conn, accid prim
 					cmd := make([]byte, size[0])
 					r.Read(cmd)
 
-					result, err := ws.Call(peer, string(cmd), r)
+					result, err := ws.call(peer, string(cmd), r)
 
 					if err != nil {
 						response[0] = 21 // 21 : Negative Ack
@@ -230,14 +234,14 @@ func (ws *WebsocketPeerHandler[T]) upgrade_core(conn *websocket.Conn, accid prim
 				} else {
 					cmd := make([]byte, flag[0])
 					r.Read(cmd)
-					ws.Call(peer, string(cmd), r)
+					ws.call(peer, string(cmd), r)
 				}
 			}
 		}
 	}(conn, accid)
 }
 
-func (ws *WebsocketPeerHandler[T]) upgrade_nosession(w http.ResponseWriter, r *http.Request) {
+func (ws *websocketPeerHandler[T]) upgrade_nosession(w http.ResponseWriter, r *http.Request) {
 	// 클라이언트 접속
 	defer func() {
 		s := recover()
@@ -287,7 +291,7 @@ func (ws *WebsocketPeerHandler[T]) upgrade_nosession(w http.ResponseWriter, r *h
 	ws.upgrade_core(conn, accid, nonce)
 }
 
-func (ws *WebsocketPeerHandler[T]) upgrade(w http.ResponseWriter, r *http.Request) {
+func (ws *websocketPeerHandler[T]) upgrade(w http.ResponseWriter, r *http.Request) {
 	// 클라이언트 접속
 	defer func() {
 		s := recover()