/**
     * 键盘监听
     */
     const keyDown = () => {
      document.onkeydown = (e) => {
        let lock=0;
        let e1 = e || window.event || arguments.callee.caller.arguments[0]
        switch (e.code) {
          case "KeyW":
            value.value[options_model.value].y++
            break;
          case "KeyA":
          value.value[options_model.value].x--
            break;
          case "KeyS":
          value.value[options_model.value].y--
            break;
          case "KeyD":
          value.value[options_model.value].x++
            break;
          default:
            lock=1
            break;
        }
      }
    }

onMounted(() => {
keyDown()
})