diff --git a/kuasar.spec b/kuasar.spec
index f94e0e1f0e58b25e381de7893c657d7175199238..5bdd64c973da9b50d54bbdbc197bbe7770c42a4c 100644
--- a/kuasar.spec
+++ b/kuasar.spec
@@ -2,7 +2,7 @@
 
 Name: kuasar
 Version: 1.0.0
-Release: 16
+Release: 17
 Summary: Kuasar is an efficient container runtime that supports multiple sandbox techniques.
 License: Apache License 2.0
 URL: https://github.com/kuasar-io/kuasar
@@ -135,6 +135,9 @@ rm -rf %{buildroot}
 %endif
 
 %changelog
+* Fri Feb 21 zhongjiawei <zhongjiawei1@huawei.com> -1.0.0-17
+- setup loop device
+
 * Fri Feb 21 liuxu <liuxu156@huawei.com> -1.0.0-16
 - add required clang-libs
 
diff --git a/rootfs/make_kuasar_virtcca_image.sh b/rootfs/make_kuasar_virtcca_image.sh
index 415efe9d3030cd1adfe3c5acc97e6edd787832da..7fcd48e983b085b59d9ab59268173a0b771799b7 100755
--- a/rootfs/make_kuasar_virtcca_image.sh
+++ b/rootfs/make_kuasar_virtcca_image.sh
@@ -110,6 +110,8 @@ dd if=/dev/zero of=/tmp/rootfs.img bs=1M count=5000
 cd /tmp
 mkfs.ext4 rootfs.img
 mkdir -p rootfs1
+modprobe loop
+losetup -D
 mount rootfs.img rootfs1
 cp -rfp /tmp/kuasar-rootfs/* rootfs1/
 umount rootfs1