增加清理定时任务

‘liusuyi’

2023-10-08 ab0c571989be18229f3645f81688b673e26216c9

1
2
3
4
5
export function isPromise(maybePromise) {
    return (!!maybePromise &&
        !!maybePromise.then &&
        typeof maybePromise.then === 'function');
}