// const flagtIcon ="file:///img/2.jpg"
const logo ="@drawable/ic_insert_emoticon_black_48dp"
var window = floaty.window(
    <frame>
        <img id="action" w="90" h="40" src="{{logo}}"/>
    </frame>
);
if (!floaty.checkPermission()) {
    // 没有悬浮窗权限，提示用户并跳转请求
    toast("本脚本需要悬浮窗权限来显示悬浮窗，请在随后的界面中允许并重新运行本脚本。");
    floaty.requestPermission();
    exit();
} else {
    toastLog('已有悬浮窗权限');
}
setInterval(()=>{}, 1000);

TypeError: Cannot find function checkPermission in object [object Object]. at [remote]test.js:9:0

为什么floaty.checkPermission()会报错呢？我看大家都是这么写的呀