Hope you are doing well.
What is the version of Chrome? Is it Google Chrome 58?
thanks for your reply. the chrome version is
For Chrome 58 and later, only the subjectAlternativeName extension, not commonName, is used to match the domain name and site certificate. The certificate subject alternative name can be a domain name or IP address. If the certificate doesn’t have the correct subjectAlternativeName extension, users get a NET::ERR_CERT_COMMON_NAME_INVALID error letting them know that the connection isn’t private.
Please refer below link and try implementing the solution given and then check:-
What is your current version of MWG?
is working now. Many thanks. very appreciate it.