diff --git a/blackbox_exporter.spec b/blackbox_exporter.spec
index 41a84c6403d7b89bc6a89f6ae07d1639fd41a63c..da2821eddcbeb714f5d10dbfd69c4c8705117c85 100644
--- a/blackbox_exporter.spec
+++ b/blackbox_exporter.spec
@@ -2,7 +2,7 @@
 %define debug_package %{nil}
 Name:                blackbox_exporter
 Version:             0.19.0
-Release:             1
+Release:             2
 Summary:             Prometheus blackbox prober exporter
 License:             Apache-2.0
 Url:                 https://github.com/prometheus/blackbox_exporter
@@ -29,10 +29,10 @@ install -m0644 blackbox.yml %{buildroot}%{_sysconfdir}/prometheus/blackbox.yml
 install -m0644 %{SOURCE1} %{buildroot}%{_unitdir}/%{name}.service
 
 %post
-%system_post %{name}.service
+%systemd_post %{name}.service
 
-%postun
-%system_preun %{name}.service
+%preun
+%systemd_preun %{name}.service
 
 %files
 %doc LICENSE README.md CONFIGURATION.md example.yml
@@ -41,5 +41,8 @@ install -m0644 %{SOURCE1} %{buildroot}%{_unitdir}/%{name}.service
 %config(noreplace) %{_sysconfdir}/prometheus/blackbox.yml
 
 %changelog
+* Thu Aug 10 2021 huanghaitao <huanghaitao8@huawei.com> - 0.19.0-2
+- Fix systemd macro spelling errors.
+
 * Thu Aug 5 2021 huanghaitao <huanghaitao8@huawei.com> - 0.19.0-1
 - package init