function secondsToHMS(seconds, hUnit = '小时', mUnit = '分', sUnit = '秒') {
const h = Math.floor(seconds / 3600);
const m = Math.floor((seconds / 60) % 60);
const s = Math.floor(second % 60);
let result = `${s}${sUnit}`;
(m > 0) && (result = `${m}${mUnit}${s}${sUnit}`);
(h > 0) && (result = `${h}${hUnit}${m}${mUnit}${s}${sUnit}`);
return result;
}