在利用request发送请求时遇到ssl报错，get请求，无参数。
ssl.SSLError: [SSL: SSLV3_ALERT_BAD_CERTIFICATE] sslv3 alert bad certificate (_ssl.c:1131)
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='xxxx', port=8443): Max retries exceeded with url: xxxxx (Caused by SSLError(SSLError(1, '[SSL: SSLV3_ALERT_BAD_CERTIFICATE] sslv3 alert bad certificate (_ssl.c:1131)')))
requests.exceptions.SSLError: HTTPSConnectionPool(host='xxxxx', port=8443): Max retries exceeded with url: xxxxxxxx (Caused by SSLError(SSLError(1, '[SSL: SSLV3_ALERT_BAD_CERTIFICATE] sslv3 alert bad certificate (_ssl.c:1131)')))
