!20 修改卸载失败问题

From: @liheavy 
Reviewed-by: @shinwell_hu 
Signed-off-by: @shinwell_hu

patch-tracking.spec

@@ -1,14 +1,14 @@
 Summary:    This is a tool for automatically tracking upstream repository code patches
 Name:       patch-tracking
 Version:    1.0.1
-Release:    1
+Release:    2
 License:    Mulan PSL v2
 URL:        https://gitee.com/openeuler/openEuler-Advisor
 Source0:    patch-tracking-%{version}.tar
 BuildArch:  noarch
 
 
-BuildRequires: python3-setuptools
+BuildRequires: python3-setuptools systemd
 # Requires: python3.7 python3-flask python3-sqlalchemy python3-requests
 
 %description
@@ -50,6 +50,9 @@ rm -rf $RPM_BUILD_ROOT
 
 
 %changelog
+* Tue Feb 22 2022 liheavy <lihaiwei8@huawei.com> - 1.0.1-2
+- Fix the problem that the uninstallation fails due to not recognizing systemd_preun
+
 * Mon Sep 07 2020 chenyanpan <chenyanpan@huawei.com> - 1.0.1-1
 - Type: bugfix
 - DESC: fixed issues related to the validity of service configuration items and command line parameters