windows7

windows7根证书更新
https://support.microsoft.com/en-us/topic/support-for-urgent-trusted-root-updates-for-windows-root-certificate-program-in-windows-a4ac4d6c-7c62-3b6e-dfd2-377982bf3ea5

Linux

查看证书

ls -l /etc/ssl/certs/

更新根证书

update-ca-certificates

#centos 7
update-ca-trust

CURL

CURL根证书说明
CURL根证书更新
https://curl.se/docs/sslcerts.html
https://curl.se/docs/caextract.html