Support IPv6 DNS Record (AAA Record) (#2388)

x-ui.sh

@@ -818,7 +818,7 @@ ssl_cert_issue() {
     # NOTE:This should be handled by user
     # open the port and kill the occupied progress
     ~/.acme.sh/acme.sh --set-default-ca --server letsencrypt
-    ~/.acme.sh/acme.sh --issue -d ${domain} --standalone --httpport ${WebPort}
+    ~/.acme.sh/acme.sh --issue -d ${domain} --listen-v6 --standalone --httpport ${WebPort}
     if [ $? -ne 0 ]; then
         LOGE "issue certs failed,please check logs"
         rm -rf ~/.acme.sh/${domain}