Install -
---------
git clone https://github.com/acmesh-official/acme.sh.git
cd ./acme.sh
./acme.sh --install -m my@example.com

Single Cert -
-------------
acme.sh --issue -w /home/wwwroot/example.com -d example.com --keylength ec-256

Wildcards -
-----------
acme.sh  --issue -d example.com  -d '*.example.com'  --dns dns_cf


upgrade acme.sh -
-----------------
acme.sh --upgrade --auto-upgrade

stop upgrade acme.sh -
----------------------
acme.sh --upgrade --auto-upgrade 0