{"result": 60008,"errmsg": "service timeout or request format error,please check and try again"}https://yun.tim.qq.com/v5/tlssmssvr/pullsendstatus?sdkappid=xxxx&random=xxxx&begin_date=2018032200&%20end_date=2018032300&%20sig=xxxxxxxxxxxx&time=152
def download(source_url): agents = ['Mozilla/4.0 (compatible; MSIE 5.5; Windows NT 5.0)','Mozilla/4.0 (compatible; MSIE 7.0b; Windows NT 5.1)','Microsoft Internet Explorer/4.0b1 (Windows 95)','Opera/8.00 (Windows NT 5.1; U; en)']