我遇到了同样的问题，尝试两件事:

I had the same issue, try two things :

1.不要忘记从SAS密钥中删除前导?.

1. From the SAS key don't forget to remove the leading ?.

2.设置到期日期/时间，例如开始日期:15/09/2018，结束日期:15/10/2018

2. Set the expiry date/time, e.g Start Date: 15/09/2018, End Date: 15/10/2018