diff --git a/build-image.sh b/build-image.sh
index c7ccb2a48afeae760e4c5e0b1180f0573f369d39..8e38a60ec4b1cfbe795af3442e5dacc940dbdb79 100644
--- a/build-image.sh
+++ b/build-image.sh
@@ -172,7 +172,7 @@ prepare(){
     LOG "prepare begin..."
     dnf clean all
     dnf makecache
-    # dnf install -y dnf-plugins-core tar parted dosfstools grep bash xz kpartx
+    # dnf install -y dnf-plugins-core rsync parted dosfstools grep bash xz kpartx
 
     if [ -d ${rootfs_dir} ]; then
         rm -rf ${rootfs_dir}
@@ -309,20 +309,11 @@ make_img(){
     cp ${euler_dir}/config.txt ${boot_mnt}/
     echo "console=serial0,115200 console=tty1 root=/dev/mmcblk0p3 rootfstype=ext4 elevator=deadline rootwait" > ${boot_mnt}/cmdline.txt
 
-    if [ -f ${tmp_dir}/rootfs.tar ]; then
-        rm ${tmp_dir}/rootfs.tar
-    fi
-    pushd ${rootfs_dir}
-    rm -rf boot
-    tar cpf ${tmp_dir}/rootfs.tar .
-    popd
-    pushd ${root_mnt}
-    tar xpf ${tmp_dir}/rootfs.tar -C .
-    popd
+    rm -rf ${rootfs_dir}/boot
+    rsync -avHAXq ${rootfs_dir}/* ${root_mnt}
     sync
     sleep 10
     LOSETUP_D_IMG
-    rm ${tmp_dir}/rootfs.tar
     rm -rf ${rootfs_dir}
     losetup -D
     pushd ${img_dir}
diff --git a/config/chroot.sh b/config/chroot.sh
index 9ab787fb204b7ddfa4bb7b52ffc03f1766a840cb..2652fab099d0023c1b3f7994b87bcd87eda79127 100644
--- a/config/chroot.sh
+++ b/config/chroot.sh
@@ -18,4 +18,5 @@ cd /etc/rc.d/init.d
 chmod +x extend-root.sh
 chkconfig --add extend-root.sh
 chkconfig extend-root.sh on
-cd -
\ No newline at end of file
+cd -
+ln -s /lib/firmware /etc/firmware
\ No newline at end of file