Dual GPT hard drive grub boot Centos + windows8

Dual GPT hard drive grub boot Centos + windows8 two hard disks, one is installed with Centos and one is installed with Windows8, both are installed with uefi. It is very troublesome to select the hard disk during startup. modify the boot information of adding the grub. cfg file under Centos to another hard disk. The grub. cfg file is in the path:/B... dual GPT hard disk grub boot Centos + windows8 two hard disks, one is installed with Centos and one is installed with Windows 8, both are installed with uefi. It is very troublesome to select the hard disk during startup. modify the boot information of adding the grub. cfg file under Centos to another hard disk. Grub. cfg file in the path:/boot/efi/EFI/redhat/grub. add the following code to cfg: 1 title Windows82 insmod part_gpt3 insmod fat4 root (hd1, 1) 5 search -- no-floppy -- fs-uuid -- set = root AEC1-B9CD6 chainloader/EFI/Boot/bootx64.efi root (hd1, 1) Represents the uefi partition of windows 8 disks, i'm sdb2 -- set = root AEC1-B9CD AEC1-B9CD is the UUID of sdb2, which can be viewed using the command "sudo blkid"