macbook pro 13 touchbar become hot and drain

my new macbook pro Touch Bar 13 always hot drain battery even in idle position, is it only software problem or hardware?

I already check any application that run with high power, and close all, but still hot and drain.

I feel at bottom of Touch Bar ,at R key until I key.

my MacBook Pro is customized, 1TB and 16 GB. now in high Sierra macOS.