为什么要切换Cloudflare边缘证书？

1. Let’s Encrypt证书只有3个月而且验证慢

1. 禁用通用ssl删除原先证书

2. 获取API

3. 执行如下命令

curl -X PATCH "https://api.cloudflare.com/client/v4/zones/区域ID/ssl/universal/settings" \
     -H "Content-Type: application/json" \
     -H "X-Auth-Email: 账户邮箱" \
     -H "X-Auth-Key: Global API Key密钥" \
     --data '{"certificate_authority": "digicert"}'     

certificate_authority参数可为"digicert",“google”,“lets_encrypt”,“sectigo”，sectigo会提示无权限