适用于大多数证书类型，包括 TLS/SSL、客户端证书和代码签名。
The Auto-renew feature is disabled for certificate orders purchased with a credit card. Certificates installed on hardware tokens do not support automatic renewals.
在您的 CertCentral 帐户的侧栏菜单中，选择证书 > 订单。
在订单页上，使用下拉列表、搜索框或列标题查找需要自动续订的 SSL 证书。
在订单编号列，选择该 SSL 证书的快速查看链接。
Each time the certificate order reaches thirty days before expiration, DigiCert will automatically submit a request to renew the certificate order.