+ [ -f $VTOY_PATH/mnt/iso/system/squashfs_sys.img ] && mount -t squashfs $VTOY_PATH/mnt/iso/system/squashfs_sys.img $VTOY_PATH/mnt/squashfs
+ [ -f $VTOY_PATH/mnt/iso/system/squashfs.img ] && mount -t squashfs $VTOY_PATH/mnt/iso/system/squashfs.img $VTOY_PATH/mnt/squashfs