Can't start taskmanager in Minikube

I followed the Doc( https://ci.apache.org/projects/flink/flink-docs-release-1.6/ops/deployment/kubernetes.html#session-cluster-resource-definitions) to run flink on kubernetes, but there is an exception(java.net.UnknownHostException: flink-jobmanager: Temporary failure in name resolution). I

How to add jvm Options when using Flink dashboard?

I wrote a task using Typesafe config. It must be pointed config file position using jvm Options like "-Dconfig.resource=dev.conf". How can I do that with Flink dashboard? Thanks for the help!