       canvasDom: document.getElementById('canvas'),
        style: {
            radius: 22, // 半径
        },
        animation: {
            type: 'time',
            stepsRange: {
                start: 0,
                end: 100
            },
            trails: 10,
            duration: 1,
        },
    });

    overlay.setPixelData(data);
    setTimeout(() => {
        overlay.setPixelData(data, function () {
            // console.log(overlay.getDataURL());
        });
    }, 5000);

</script