[Fri Oct 15 13:21:43 CST 2021] Using CA: https://acme.zerossl.com/v2/DV90
[Fri Oct 15 13:21:43 CST 2021] No EAB credentials found for ZeroSSL, let’s get one
[Fri Oct 15 13:21:43 CST 2021] acme.sh is using ZeroSSL as default CA now.
[Fri Oct 15 13:21:43 CST 2021] Please update your account with an email address first.
[Fri Oct 15 13:21:43 CST 2021] acme.sh –register-account -m my@example.com
[Fri Oct 15 13:21:43 CST 2021] See: https://github.com/acmesh-official/acme.sh/wiki/ZeroSSL.com-CA
[Fri Oct 15 13:21:43 CST 2021] Please check log file for more details: /usr/local/acme.sh/acme.sh.log
Let’s Encrypt SSL Certificate create failed!

访问 https://github.com/acmesh-official/acme.sh/wiki/ZeroSSL.com-CA 查看

可知需要注册账号

解决代码：

acme.sh  --register-account  -m 自己的邮箱 --server zerossl