Hello list,
I use the livecd-creator to customize my own livecd iso. I use the kickstart config file from https://raw.githubusercontent.com/CentOS/sig-core-livemedia/master/kickstarts/CentOS-7-livecd.cfg.

#livecd-creator -v –config CentOS-7-livecd.cfg –cache
/var/cache/livecd
finally I got a iso, but the iso is strange.
The offical distribution iso is
CentOS-7-x86_64-Minimal-1511.iso
|+++EFI
|+++images
|+++isolinux
|+++LiveOS
|+++Packages
|+++repodata
|+++.discinfo
|+++.treeinfo
……
|+++RPM-GPG-KEY-CentOS-Testing-7

But the iso created by livecd-creator is show as following:
My-own-test.iso
|+++EFI
|+++BOOT
|+++fonts
|+++BOOTX64.EFI
|+++grub.cfg
|+++grubx64.cfg
|+++isolinux
|+++boot.cat
|+++initrd0.img
|+++vmlinuz0
….
|+++LiveOS
|+++osmin.img
|+++squashfs.img

My questions is how to use livecd-creator to create my own livecd iso as same as offical release iso