diff --git a/boot/grub/distro/gentoo.sh b/boot/grub/distro/gentoo.sh
index 5f48753e..a4e45ed0 100644
--- a/boot/grub/distro/gentoo.sh
+++ b/boot/grub/distro/gentoo.sh
@@ -1,8 +1,12 @@
-set icon="gnu-linux";
-set vmlinuz_img="(loop)/isolinux/gentoo64";
-set initrd_img="(loop)/isolinux/gentoo64.xz";
+set icon="gentoo";
+set vmlinuz_img="(loop)/isolinux/gentoo";
+set initrd_img="(loop)/isolinux/gentoo.xz";
+if test -f (loop)/isolinux/gentoo64; then
+	vmlinuz_img="(loop)/isolinux/gentoo64";
+	initrd_img="(loop)/isolinux/gentoo64.xz";
+fi
 set loopiso="isoboot=$isofile";
-menuentry "作为 Gentoo x86_64 LiveDVD 启动" --class $icon{
+menuentry "作为 Gentoo LiveDVD 启动" --class $icon{
 	set kcmdline="root=/dev/ram0 init=/linuxrc dokeymap aufs looptype=squashfs loop=/image.squashfs cdroot console=tty1";
 	linux $vmlinuz_img $kcmdline $loopiso;
 	initrd $initrd_img;
diff --git a/boot/grub/distro/slax.sh b/boot/grub/distro/slax.sh
index 959af56a..f45593c2 100644
--- a/boot/grub/distro/slax.sh
+++ b/boot/grub/distro/slax.sh
@@ -1,7 +1,11 @@
 set icon="slax";
 set loopiso="from=${isofile}";
-set vmlinuz_img="(loop)/boot/vmlinuz";
-set initrd_img="(loop)/boot/initrd*";
+set vmlinuz_img="(loop)/slax/boot/vmlinuz";
+set initrd_img="(loop)/slax/boot/initr*";
+if test -f (loop)/boot/vmlinuz; then
+	vmlinuz_img="(loop)/slax/boot/vmlinuz";
+	initrd_img="(loop)/slax/boot/initr*";
+fi
 menuentry "作为 Slax LiveCD 启动" --class $icon{
 	set kcmdline="load_ramdisk=1 prompt_ramdisk=0 rw printk.time=0 slax.flags=xmode";
 	linux $vmlinuz_img $kcmdline $loopiso;
diff --git a/boot/grub/isoboot.sh b/boot/grub/isoboot.sh
index 262298fe..2365a1eb 100644
--- a/boot/grub/isoboot.sh
+++ b/boot/grub/isoboot.sh
@@ -28,7 +28,7 @@ function CheckLinuxType {
 	if test -f (loop)/boot/grub/loopback.cfg; then
 		menuentry "作为 Loopback ISO 启动 (推荐)" "$isofile" --class gnu-linux{
 			set iso_path="$2"; export iso_path;
-			root=(loop);
+			root=loop;
 			configfile /boot/grub/loopback.cfg
 		}
 	fi
@@ -42,7 +42,7 @@ function CheckLinuxType {
 		source $prefix/distro/fedora.sh;
 	elif test -f (loop)/live/vmlinuz*; then
 		source $prefix/distro/debian.sh;
-	elif test -f (loop)/isolinux/gentoo64; then
+	elif test -f (loop)/isolinux/gentoo*; then
 		source $prefix/distro/gentoo.sh;
 	elif test -f (loop)/sysrcd.dat; then
 		source $prefix/distro/sysrcd.sh;