Alibaba Cloud Dynamic Content Delivery Network (DCDN) will update the service-level agreement (SLA) at 00:00 on May 1, 2023. The DCDN availability guaranteed in the new SLA will be increased from 99.9% to 99.95%. DCDN will provide you with more stable acceleration, security, and computing services. Please pay attention to the change of SLA. Contact us if you have any questions. Thank you for your cooperation.