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diff --git a/pdf-core-0.8.1.gem b/pdf-core-0.8.1.gem
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diff --git a/rubygem-pdf-core.spec b/rubygem-pdf-core.spec
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+%global gem_name pdf-core
+Name:                rubygem-%{gem_name}
+Version:             0.8.1
+Release:             1
+Summary:             PDF::Core is used by Prawn to render PDF documents
+License:             Ruby
+URL:                 https://github.com/prawnpdf/pdf-core
+Source0:             https://rubygems.org/gems/pdf-core-%{version}.gem
+Source1:             %{gem_name}-%{version}-specs.tgz
+BuildRequires:       ruby(release) rubygems-devel >= 1.3.6 ruby >= 1.9.3 rubygem(pdf-reader) => 1.2
+BuildRequires:       rubygem(pdf-inspector) => 1.1.0 rubygem(rspec)
+BuildArch:           noarch
+%description
+PDF::Core is used by Prawn to render PDF documents.
+
+%package doc
+Summary:             Documentation for %{name}
+Requires:            %{name} = %{version}-%{release}
+BuildArch:           noarch
+%description doc
+Documentation for %{name}.
+
+%prep
+%setup -q -n %{gem_name}-%{version} -b1
+
+%build
+gem build ../%{gem_name}-%{version}.gemspec
+%gem_install
+
+%install
+mkdir -p %{buildroot}%{gem_dir}
+cp -pa .%{gem_dir}/* \
+        %{buildroot}%{gem_dir}/
+
+%check
+pushd .%{gem_instdir}
+cp -r %{_builddir}/spec .
+sed -i -e "s/require 'bundler'//" spec/spec_helper.rb
+sed -i -e 's/Bundler.setup//' spec/spec_helper.rb
+rspec spec
+popd
+
+%files
+%dir %{gem_instdir}
+%{gem_libdir}
+%exclude %{gem_cache}
+%{gem_spec}
+%license %{gem_instdir}/LICENSE
+%doc %{gem_instdir}/COPYING
+%doc %{gem_instdir}/GPLv2
+%doc %{gem_instdir}/GPLv3
+
+%files doc
+%doc %{gem_docdir}
+%{gem_instdir}/Gemfile
+%{gem_instdir}/Rakefile
+%{gem_instdir}/%{gem_name}.gemspec
+
+%changelog
+* Wed Aug 5 2020 wangchong <wangchong56@huawei.com> - 0.8.1-1
+- package init
diff --git a/rubygem-pdf-core.yaml b/rubygem-pdf-core.yaml
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+++ b/rubygem-pdf-core.yaml
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+version-control: github
+src_repo: prawnpdf/pdf-core
+tag_prefix: "^"
+seperator: "."