diff --git a/ks-trans.cfg b/ks-trans.cfg
index 9c9c4ca..a613e51 100644
--- a/ks-trans.cfg
+++ b/ks-trans.cfg
@@ -93,6 +93,9 @@ mount /dev/disk/by-label/installer /os/installer
 # 安装 grub2
 basearch=$(uname -m)
 if [ -d /sys/firmware/efi ]; then
+    # el7的grub无法启动f38 arm的内核
+    # https://forums.fedoraforum.org/showthread.php?330104-aarch64-pxeboot-vmlinuz-file-format-changed-broke-PXE-installs
+
     # shellcheck disable=SC2164
     cd /os/boot/efi
     download https://mirrors.aliyun.com/fedora/releases/38/Everything/$basearch/os/images/efiboot.img