Step1. 登录后，点击右上方「您的帐户」→「证书下载」，即会进到付费证书系统页面。
After logging in, you can find “download certificate” button by clicking your account in the upper right.
Step2. 进入后点击左方「我要申请证书」即可开始搜索您要下载的证书以及申请证书的流程。
详细说明请参考下方附件。
Click「我要申请证书」on the left side after entering our certificate system, and then you can start to
apply for your certificate step by step.
Read more by the attachment below.
※ 证书申请完整流程(无法预览的话请直接下载文件即可) Attachment
https://drive.google.com/file/d/1KQIbMQ2ntKchYKUyPTTetG5DWN95JvJe/view