diff --git a/pkgconf.spec b/pkgconf.spec
index de2886a..e5c6913 100644
--- a/pkgconf.spec
+++ b/pkgconf.spec
@@ -2,15 +2,13 @@
 
 Name:           pkgconf
 Version:        1.6.3
-Release:        5
+Release:        6
 Summary:        Package compiler and linker metadata toolkit
 
 License:        ISC
 URL:            http://pkgconf.org/
 Source0:        https://distfiles.dereferenced.org/%{name}/%{name}-%{version}.tar.xz
 
-Source1:        platform-pkg-config.in
-
 BuildRequires:  gcc, make, autoconf, automake, libtool
 #tests
 BuildRequires:  kyua, atf-tests
@@ -65,13 +63,18 @@ make check
 
 %delete_la_and_a
 
-install -pm 0755 %{SOURCE1} %{buildroot}%{_bindir}/%{_target_platform}-pkg-config
+cat <<EOF > %{buildroot}%{_bindir}/%{_target_platform}-pkg-config
+#!/bin/sh
 
-sed -e "s|@TARGET_PLATFORM@|%{_target_platform}|" \
-    -e "s|@PKGCONF_LIBDIRS@|%{pkgconf_libdirs}|" \
-    -e "s|@PKGCONF_SYSLIBDIR@|%{_libdir}|" \
-    -e "s|@PKGCONF_SYSINCDIR@|%{_includedir}|" \
-    -i %{buildroot}%{_bindir}/%{_target_platform}-pkg-config
+# Platform-specific version of pkg-config
+# Platform----%{_target_platform}
+
+export PKG_CONFIG_LIBDIR="\${PKG_CONFIG_LIBDIR:-%{pkgconf_libdirs}}"
+export PKG_CONFIG_SYSTEM_INCLUDE_PATH="\${PKG_CONFIG_SYSTEM_INCLUDE_PATH:-%{_includedir}}"
+export PKG_CONFIG_SYSTEM_LIBRARY_PATH="\${PKG_CONFIG_SYSTEM_LIBRARY_PATH:-%{_libdir}}"
+
+exec pkgconf "\$@"
+EOF
 
 ln -sf pkgconf %{buildroot}%{_bindir}/pkg-config
 
@@ -88,7 +91,7 @@ mkdir -p %{buildroot}%{_datadir}/pkgconfig
 %{_libdir}/lib%{name}*.so.*
 %{_datadir}/aclocal/pkg.m4
 %{_bindir}/pkg-config
-%{_bindir}/%{_target_platform}-pkg-config
+%attr(755,root,root) %{_bindir}/%{_target_platform}-pkg-config
 %dir %{_libdir}/pkgconfig
 %dir %{_datadir}/pkgconfig
 
@@ -101,6 +104,12 @@ mkdir -p %{buildroot}%{_datadir}/pkgconfig
 %{_mandir}/*/*
 
 %changelog
+* Sun Jan 12 2020 openEuler Buildteam <buildteam@openeuler.org> - 1.6.3-6
+- Type: enhancement
+- ID: NA
+- SUG: NA
+- DESC: strengthen spec
+
 * Thu Nov 28 2019 shenyangyang <shenyangyang4@huawei.com> - 1.6.3-5
 - Type: enhancement
 - ID: NA
diff --git a/platform-pkg-config.in b/platform-pkg-config.in
deleted file mode 100644
index d95f153..0000000
--- a/platform-pkg-config.in
+++ /dev/null
@@ -1,10 +0,0 @@
-#!/bin/sh
-
-# Simple wrapper to tell pkgconf to behave as a platform-specific version of pkg-config
-# Platform: @TARGET_PLATFORM@
-
-export PKG_CONFIG_LIBDIR="${PKG_CONFIG_LIBDIR:-@PKGCONF_LIBDIRS@}"
-export PKG_CONFIG_SYSTEM_LIBRARY_PATH="${PKG_CONFIG_SYSTEM_LIBRARY_PATH:-@PKGCONF_SYSLIBDIR@}"
-export PKG_CONFIG_SYSTEM_INCLUDE_PATH="${PKG_CONFIG_SYSTEM_INCLUDE_PATH:-@PKGCONF_SYSINCDIR@}"
-
-exec pkgconf "$@"