这两种事情都不可能做到.

It is not possible to do either of these things.

永远不能修改证书——这会使它们失效.

Certificates can never be modified -- that would invalidate them.

平衡器不能将多个证书附加到给定的侦听器，并且在一个端口上不能有多个侦听器.

Balancers cannot attach more than one certificate to a given listener, and can't have more than one listener on a port.

您的解决方案是使用所有需要的域名创建一个新证书，并将它们换掉.

Your solution is to create a new certificate with all of the needed domain names, and swap them out.