def siteEdate():
    global oldEdate
    try:
        # 程序拿到的永远是启动时候/www/server/panel/data/edate.pl的值, 第二次执行时候虽然oldEdate不为空, 但是/www/server/panel/data/edate.pl已经发生变化了, 没有去更新
        # 两种解决方法, 删掉oldEdate判断或者在函数结束后将oldEdate手动置空
        if not oldEdate:
            oldEdate = ReadFile('/www/server/panel/data/edate.pl')
        if not oldEdate:
            oldEdate = '0000-00-00'
        mEdate = time.strftime('%Y-%m-%d', time.localtime())
        if oldEdate == mEdate:
            return False
        os.system(get_python_bin() +
                  " /www/server/panel/script/site_task.py > /dev/null")
    except Exception as ex:
        logging.info(ex)
        pass