diff --git a/powertop.spec b/powertop.spec
index 7441b4d4f78443b719bd353f87cd8cffcbd52946..777857be67fb5b96a0b786f283db6436e7be92ba 100644
--- a/powertop.spec
+++ b/powertop.spec
@@ -1,6 +1,6 @@
 Name:                 powertop
 Version:              2.9
-Release:              11
+Release:              12
 Summary:              Power consumption tool for Linux
 License:              GPLv2
 URL:                  http://01.org/powertop/
@@ -46,13 +46,13 @@ install -Dpm 644 %{SOURCE1} $RPM_BUILD_ROOT%{_unitdir}/powertop.service
 %pre
 
 %preun
-%systemd_preun %{SOURCE1}
+%systemd_preun powertop.service
 
 %postun
-%systemd_postun_with_restart %{SOURCE1}
+%systemd_postun_with_restart powertop.service
 
 %post
-%systemd_post %{SOURCE1}
+%systemd_post powertop.service
 
 touch %{_localstatedir}/cache/powertop/{saved_parameters.powertop,saved_results.powertop} &> /dev/null || :
 
@@ -70,6 +70,12 @@ touch %{_localstatedir}/cache/powertop/{saved_parameters.powertop,saved_results.
 
 
 %changelog
+* Sat Sep 19 2020 liquor <lirui130@huawei.com> - 2.9-12
+- Type:bugfix
+- ID:NA
+- SUG:NA
+- DESC:modify the service file path to load the service correctly
+
 * Fri Sep 27 2019 chengquan<chengquan3@huawei.com> - 2.9-11
 - Type:bugfix
 - ID:NA