diff --git a/nestos-installer.spec b/nestos-installer.spec
index f843b75..6c568a0 100644
--- a/nestos-installer.spec
+++ b/nestos-installer.spec
@@ -9,7 +9,7 @@
 
 Name:           rust-nestos-installer
 Version:        0.20.0
-Release:        3
+Release:        4
 Summary:        Installer for NestOS
 
 License:        Apache-2.0
@@ -30,7 +30,7 @@ NestOS is a Variant in openEuler from Fedora CoreOS.
 
 %description %{_description}
 
-%package     -n nestos-installer
+%package     -n %{crate}
 Summary:        %{summary}
 License:        ASL 2.0 and MIT and zlib
 
@@ -47,12 +47,31 @@ Requires:       util-linux
 # Obsolete dracut modules as they are not provided in this package.
 Obsoletes:      nestos-installer-dracut < 0.0.1
 
-%description -n nestos-installer %{_description}
+%description -n %{crate} %{_description}
 
-%files       -n nestos-installer
+%files       -n %{crate}
 %license LICENSE
 %doc README.*
 %{_bindir}/nestos-installer
+%dir %{_datadir}/nestos-installer
+%{_datadir}/nestos-installer/example-config.yaml
+
+%package     -n %{crate}-bootinfra
+Summary:     %{crate} boot-time infrastructure for use on Fedora/RHEL CoreOS
+Requires:    %{crate}%{?_isa} = %{?epoch:%{epoch}:}%{version}-%{release}
+License:     ASL 2.0 and MIT and zlib
+
+Provides:    %{crate}-systemd = %{version}-%{release}
+Obsoletes:   %{crate}-systemd <= 0.3.0-3
+
+%description -n %{crate}-bootinfra
+This subpackage contains boot-time infrastructure for NestOS.  It is not needed on other platforms.
+
+%files       -n %{crate}-bootinfra
+%{dracutlibdir}/modules.d/50rdcore/
+%{_libexecdir}/nestos-installer-*
+%{_unitdir}/nestos-installer*.{service,target}
+%{_systemdgeneratordir}/nestos-installer-generator
 
 %prep
 %autosetup -n %{crate}-v%{version} -p1
@@ -83,30 +102,17 @@ install -D -m 0644 -t %{buildroot}%{_unitdir} systemd/nestos-installer-noreboot.
 install -D -m 0644 -t %{buildroot}%{_unitdir} systemd/nestos-installer-pre.target
 install -D -m 0644 -t %{buildroot}%{_unitdir} systemd/nestos-installer.target
 install -D -m 0644 -t %{buildroot}%{_unitdir} systemd/nestos-installer-post.target
+install -D -m 0644 -t %{buildroot}%{_datadir}/%{crate} data/example-config.yaml
 install -D -m 0755 -t %{buildroot}%{_systemdgeneratordir} systemd/nestos-installer-generator
 
 cp -r $RPM_BUILD_DIR/%{crate}-v%{version}/.cargo/bin  %{buildroot}/usr
 mv %{buildroot}%{_bindir}/rdcore %{buildroot}%{dracutlibdir}/modules.d/50rdcore/
 
-%package     -n nestos-installer-bootinfra
-Summary:     %{crate} boot-time infrastructure for use on Fedora/RHEL CoreOS
-Requires:    %{crate}%{?_isa} = %{?epoch:%{epoch}:}%{version}-%{release}
-License:     ASL 2.0 and MIT and zlib
-
-Provides:    %{crate}-systemd = %{version}-%{release}
-Obsoletes:   %{crate}-systemd <= 0.3.0-3
-
-%description -n %{crate}-bootinfra
-This subpackage contains boot-time infrastructure for NestOS.  It is not needed on other platforms.
-
-%files       -n %{crate}-bootinfra
-%{dracutlibdir}/modules.d/*
-%{_libexecdir}/*
-%{_unitdir}/*
-%{_systemdgeneratordir}/*
-
 
 %changelog
+* Thu Aug 15 2024 duyiwei <duyiwei@kylinos.cn> - 0.20.0-4
+- add file example-config.yaml
+
 * Fri May 24 2024 duyiwei <duyiwei@kylinos.cn> - 0.20.0-3
 - update patch 0001 to unsupport NestOS stream