diff --git a/9002-fix-cannot-detect-package-manager-on-UnionTech.patch b/9002-fix-cannot-detect-package-manager-on-UnionTech.patch
new file mode 100644
index 0000000..1956d6e
--- /dev/null
+++ b/9002-fix-cannot-detect-package-manager-on-UnionTech.patch
@@ -0,0 +1,27 @@
+From a5d2b966fe89e66b7e5f0bb5387f4f0c855cfb54 Mon Sep 17 00:00:00 2001
+From: wangqing <wangqing@uniontech.com>
+Date: Fri, 8 Oct 2021 16:20:26 +0800
+Subject: [PATCH] fix cannot detect package manager on UnionTech
+
+Signed-off-by: wangqing <wangqing@uniontech.com>
+
+diff --git a/src/ph_rpm.ml b/src/ph_rpm.ml
+index 61537ce..a0d3405 100644
+--- a/src/ph_rpm.ml
++++ b/src/ph_rpm.ml
+@@ -31,10 +31,11 @@ let stringset_of_list pkgs =
+ let fedora_detect () =
+   Config.rpm <> "no" && Config.rpm2cpio <> "no" && rpm_is_available () &&
+     (Config.yumdownloader <> "no" || Config.dnf <> "no") &&
+-    (List.mem (Os_release.get_id ()) [ "fedora"; "rhel"; "centos"; "openEuler" ] ||
++    (List.mem (Os_release.get_id ()) [ "fedora"; "rhel"; "centos"; "openEuler"; "uos" ] ||
+      try
+        (stat "/etc/redhat-release").st_kind = S_REG ||
+        (stat "/etc/fedora-release").st_kind = S_REG ||
++       (stat "/etc/UnionTech-release").st_kind = S_REG ||
+        (stat "/etc/openEuler-release").st_kind = S_REG
+      with Unix_error _ -> false)
+ 
+-- 
+2.20.1
+
diff --git a/supermin.spec b/supermin.spec
index 8356922..e75a048 100644
--- a/supermin.spec
+++ b/supermin.spec
@@ -1,6 +1,6 @@
 Name:           supermin
 Version:        5.1.19
-Release:        12
+Release:        13
 Summary:        A tool for building supermin appliances, required by libguestfs
 License:        GPLv2+
 URL:            http://libguestfs.org/
@@ -11,6 +11,8 @@ Patch0001:      0001-Fix-Bytes-String-for-OCaml-4.06.patch
 Patch0002:      0002-use-installed-packages-instead-of-dnf-downloading.patch
 Patch9000:      9000-fix-cannot-detect-package-manager-on-openeuler.patch
 Patch9001:      add-pie-and-bind_now-flags.patch
+Patch9002:      9002-fix-cannot-detect-package-manager-on-UnionTech.patch
+
 BuildRequires:  augeas dietlibc-devel dnf dnf-plugins-core e2fsprogs-devel
 BuildRequires:  findutils gnupg2 grubby hivex kernel ocaml ocaml-findlib-devel
 BuildRequires:  rpm rpm-devel systemd-udev tar
@@ -68,6 +70,9 @@ install -m 0755 %{SOURCE2} $RPM_BUILD_ROOT%{_rpmconfigdir}/
 %{_mandir}/man1/*
 
 %changelog
+* Fri Oct 08 2021 wangqing <wangqing@uniontech.com> - 5.1.19-13
+- fix cannot detect package manager on UnionTech
+
 * Wed Sep 08 2021 wangyue <wangyue92@huawei.com> - 5.1.19-12
 - Add pie and bind_now flags