1.将jks证书复制到conf目录下
2.解除注释:88行至96行
修改代码

<Connector port="443" protocol="org.apache.coyote.http11.Http11NioProtocol"
maxThreads="150" SSLEnabled="true" defaultSSLHostConfigName="www.kjch.xyz" >
<SSLHostConfig hostName="www.kjch.xyz" >
<Certificate certificateKeystoreFile="conf/www.kjch.xyz.jks"
certificateKeystorePassword="q75f4wl64u5"
type="RSA"
/>
</SSLHostConfig>
</Connector>