1.阿里云参考
https://help.aliyun.com/document_detail/25426.htm?spm=a2c4g.11186623.2.23.7fe36e7dqpIfaR#concept-jl1-qzd-wdb
2. 腾讯云参考
https://cloud.tencent.com/document/product/362/6734
