focal	server	release	20210720	ebs-ssd	amd64	cn-north-1	ami-0741e7b8b4fb0001c			hvm
focal	server	release	20210720	ebs-ssd	amd64	cn-northwest-1	ami-0883e8062ff31f727			hvm
focal	server	release	20210720	ebs-ssd	arm64	cn-north-1	ami-0828778a7f808af59			hvm
focal	server	release	20210720	ebs-ssd	arm64	cn-northwest-1	ami-0b8f1ee1106c17f2a			hvm