diff --git a/gcc_secure.spec b/gcc_secure.spec
index 16de4b53a3bc5f8264f66786621800c0c83f5880..36f552ba2d029a05eca56e46d217d323f08fb6ba 100644
--- a/gcc_secure.spec
+++ b/gcc_secure.spec
@@ -1,9 +1,9 @@
 Name:           gcc_secure
 Summary:        Enforcing secure compile options for abuild
-License:        NA
+License:        GPL-2.0-only
 Group:          System/Management
 Version:        1.0
-Release:        0.11
+Release:        0.12
 BuildRoot:      %{_tmppath}/%{name}-%{version}
 
 BuildRequires: util-linux coreutils
@@ -148,7 +148,21 @@ fi
 %preun
 
 %postun
-
+rm -rf /opt/gcc-specs-fs-cc1
+rm -rf /opt/gcc-specs-pie-cc1
+rm -rf /opt/gcc-specs-pie-ld
+if [ -f /usr/bin/gcc_old ];then
+  rm -rf /usr/bin/gcc
+  mv /usr/bin/gcc_old /usr/bin/gcc
+fi
+if [ -f /usr/bin/g++_old ];then
+  rm -rf /usr/bin/g++
+  mv /usr/bin/g++_old /usr/bin/g++
+fi
+if [ -f /usr/bin/c++_old ];then
+  rm -rf /usr/bin/c++
+  mv /usr/bin/c++_old /usr/bin/c++
+fi 
 
 %files
 %defattr(-,root,root)
@@ -159,6 +173,12 @@ rm -rf %{_tmppath}/%{name}-%{version}
 rm -rf $RPM_BUILD_DIR/%{name}-%{version}
 
 %changelog
+* Fri Nov 25 2022 Ge Wang<wnagge20@h-partners.com> - 1.0-0.12
+- Type:enhancement
+- ID:NA
+- SUG:NA
+- DESC: add postun operation
+
 * Thu Apr 28 2022 zhangchenfeng<zhangchenfeng1@huawei.com> - 1.0-0.11
 - Type:enhancement
 - ID:NA