웹소켓 메시지 전송 채널 단일화

wshandler/room.go

@@ -98,7 +98,7 @@ func (r *room) loop(ctx context.Context, conns *map[string]*wsconn) (normalEnd b
 					logger.Println("websocket.NewPreparedMessage failed :", err)
 				} else {
 					r.sendMsgChan <- send_msg_queue_elem{
-						to:   conn,
+						to:   conn.Conn,
 						pmsg: pmsg,
 					}
 				}