[autojs]ui线程中更新控件的值的问题

"ui";
ui.layout(
    <vertical>
        <button id="autoFloatWindow" text="开启悬浮窗" textSize="15sp" />
        <button id="autoService" text="开启无障碍服务" textSize="15sp" />
        <button id="fw" text="创建悬浮窗" />
        <button id="fw2" text="悬浮窗滚动文字" />
    </vertical>
);
ui.autoService.on("click", function () {
    //弹出无障碍服务设置
    app.startActivity({
        action: "android.settings.ACCESSIBILITY_SETTINGS"
    });


});

ui.autoFloatWindow.on("click", function () {
    //申请悬浮窗
    importClass(android.content.Intent);
    importClass(android.net.Uri);
    importClass(android.provider.Settings);
    var intent = new Intent(Settings.ACTION_MANAGE_OVERLAY_PERMISSION,
        Uri.parse("package:" + context.getPackageName()));
    intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    app.startActivity(intent);
});

ui.fw.on("click", function () {
    threads.start(function(){

           w = floaty.rawWindow(
            <frame gravity="center">
                <text id="text">悬浮文字</text>
            </frame>
        );
    });
});
ui.fw2.on("click", function () {
    threads.start(function(){
        w.setPosition(500, 500);
        w.setTouchable(false);
        ui.run(()=>{
        w.text.setText("123");
        });
        sleep(3000)
        ui.run(()=>{
        w.text.setText("over!");
        });
    });
});