diff --git a/src/device/input/parse/v01/http.go b/src/device/input/parse/v01/http.go
new file mode 100644
index 0000000..978c876
--- /dev/null
+++ b/src/device/input/parse/v01/http.go
@@ -0,0 +1,58 @@
+package v01
+
+import (
+	"io"
+	"log"
+	"mayhem-party/src/device/input/wrap"
+	"net/http"
+	"sync"
+	"syscall"
+)
+
+func (v01 *V01) listen() {
+	if v01.cfg.Feedback.Addr == "" {
+		return
+	}
+	mutex := &sync.RWMutex{}
+	s := &http.Server{
+		Addr: v01.cfg.Feedback.Addr,
+		Handler: http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+			if r.Method == http.MethodGet {
+				mutex.RLock()
+				defer mutex.RUnlock()
+			} else {
+				mutex.Lock()
+				defer mutex.Unlock()
+			}
+			if r.Method == http.MethodGet {
+				r = r.WithContext(v01.ctx)
+				user, ok := v01.cfg.Users[r.URL.Query().Get("user")]
+				if !ok {
+					user = v01.cfg.Users["broadcast"]
+				}
+				w.Write([]byte(user.Message))
+			} else if r.URL.Path == "/broadcast" {
+				b, _ := io.ReadAll(r.Body)
+				v := v01.cfg.Users["broadcast"]
+				v.Message = string(b)
+				v01.cfg.Users["broadcast"] = v
+			}
+			if _, ok := r.URL.Query()["refresh"]; ok {
+				select {
+				case wrap.ChSigUsr1 <- syscall.SIGUSR1:
+				default:
+				}
+			}
+		}),
+	}
+	go func() {
+		<-v01.ctx.Done()
+		log.Println("closing v01 server")
+		s.Close()
+	}()
+	log.Println("starting v01 server")
+	if err := s.ListenAndServe(); err != nil && v01.ctx.Err() == nil {
+		log.Println("err with v01 server", err)
+		panic(err)
+	}
+}
diff --git a/src/device/input/parse/v01/testdata/v01.yaml b/src/device/input/parse/v01/testdata/v01.yaml
index 9da3858..c5e4b3f 100644
--- a/src/device/input/parse/v01/testdata/v01.yaml
+++ b/src/device/input/parse/v01/testdata/v01.yaml
@@ -1,3 +1,5 @@
+feedback:
+  addr: :17071
 users:
   bel:
     player: 0
diff --git a/src/device/input/parse/v01/v01.go b/src/device/input/parse/v01/v01.go
index 2b84a6d..916d35d 100644
--- a/src/device/input/parse/v01/v01.go
+++ b/src/device/input/parse/v01/v01.go
@@ -3,16 +3,11 @@ package v01
 import (
 	"context"
 	"encoding/json"
-	"io"
 	"io/ioutil"
 	"log"
 	"mayhem-party/src/device/input/button"
 	"mayhem-party/src/device/input/raw"
-	"mayhem-party/src/device/input/wrap"
-	"net/http"
 	"os"
-	"sync"
-	"syscall"
 	"time"
 
 	"gopkg.in/yaml.v2"
@@ -66,54 +61,6 @@ func NewV01(ctx context.Context, src raw.Raw) *V01 {
 	return result
 }
 
-func (v01 *V01) listen() {
-	if v01.cfg.Feedback.Addr == "" {
-		return
-	}
-	mutex := &sync.RWMutex{}
-	s := &http.Server{
-		Addr: v01.cfg.Feedback.Addr,
-		Handler: http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-			if r.Method == http.MethodGet {
-				mutex.RLock()
-				defer mutex.RUnlock()
-			} else {
-				mutex.Lock()
-				defer mutex.Unlock()
-			}
-			if r.Method == http.MethodGet {
-				r = r.WithContext(v01.ctx)
-				user, ok := v01.cfg.Users[r.URL.Query().Get("user")]
-				if !ok {
-					user = v01.cfg.Users["broadcast"]
-				}
-				w.Write([]byte(user.Message))
-			} else if r.URL.Path == "/broadcast" {
-				b, _ := io.ReadAll(r.Body)
-				v := v01.cfg.Users["broadcast"]
-				v.Message = string(b)
-				v01.cfg.Users["broadcast"] = v
-			}
-			if _, ok := r.URL.Query()["refresh"]; ok {
-				select {
-				case wrap.ChSigUsr1 <- syscall.SIGUSR1:
-				default:
-				}
-			}
-		}),
-	}
-	go func() {
-		<-v01.ctx.Done()
-		log.Println("closing v01 server")
-		s.Close()
-	}()
-	log.Println("starting v01 server")
-	if err := s.ListenAndServe(); err != nil && v01.ctx.Err() == nil {
-		log.Println("err with v01 server", err)
-		panic(err)
-	}
-}
-
 func (v01 *V01) CloseWrap() raw.Raw {
 	v01.can()
 	return v01.src