diff --git a/wshandler/wshandler_peer.go b/wshandler/wshandler_peer.go
index 18cdae7..565cc25 100644
--- a/wshandler/wshandler_peer.go
+++ b/wshandler/wshandler_peer.go
@@ -103,8 +103,7 @@ func (ws *WebsocketPeerHandler) upgrade_core(conn *websocket.Conn, accid primiti
 					}
 					c.WriteMessage(websocket.BinaryMessage, response)
 				} else {
-					var size [1]byte
-					cmd := make([]byte, size[0])
+					cmd := make([]byte, flag[0])
 					r.Read(cmd)
 					ws.Call(peer, string(cmd), r)
 				}