diff --git a/rubygem-thread_order.spec b/rubygem-thread_order.spec
index 0af74c2..b51db4a 100644
--- a/rubygem-thread_order.spec
+++ b/rubygem-thread_order.spec
@@ -1,21 +1,23 @@
-%global	gem_name	thread_order
-Name:		rubygem-%{gem_name}
-Version:	1.1.1
-Release:	1
-Summary:	Test helper for ordering threaded code
-License:	MIT
-URL:		https://github.com/JoshCheek/thread_order
-Source0:	https://rubygems.org/gems/thread_order-%{version}.gem
-BuildRequires:  ruby(release) rubygems-devel rubygem(rspec) >= 3
-BuildArch:	noarch
+%global    gem_name    thread_order
+Name:                rubygem-%{gem_name}
+Version:             1.1.1
+Release:             1
+Summary:             Test helper for ordering threaded code
+License:             MIT
+URL:                 https://github.com/JoshCheek/thread_order
+Source0:             https://rubygems.org/gems/thread_order-%{version}.gem
+BuildRequires:       ruby(release) rubygems-devel rubygem(rspec) >= 3
+BuildArch:           noarch
 %description
 Test helper for ordering threaded code.
 
-%package	doc
-Summary:	Documentation for %{name}
-Requires:            	%{name} = %{version}-%{release}
-BuildArch:	noarch
-%description doc
+%package help
+Summary:             Documentation for %{name}
+Requires:            %{name} = %{version}-%{release}
+BuildArch:           noarch
+Provides:            %{name}-doc = %{version}-%{release}
+Obsoletes:           %{name}-doc < %{version}-%{release}
+%description help
 Documentation for %{name}.
 
 %prep
@@ -30,16 +32,16 @@ gem build %{gem_name}.gemspec
 %install
 mkdir -p %{buildroot}%{gem_dir}
 cp -a .%{gem_dir}/* \
-	%{buildroot}%{gem_dir}/
+    %{buildroot}%{gem_dir}/
 pushd %{buildroot}
 rm -f .%{gem_cache}
 pushd .%{gem_instdir}
 rm -rf \
-	.gitignore .travis.yml \
-	Gemfile \
-	spec/ \
-	%{gem_name}.gemspec \
-	%{nil}
+    .gitignore .travis.yml \
+    Gemfile \
+    spec/ \
+    %{gem_name}.gemspec \
+    %{nil}
 popd
 popd
 
@@ -50,24 +52,24 @@ FAILFILE+=("spec/thread_order_spec.rb")
 FAILTEST+=("is implemented without depending on the stdlib")
 pushd .%{gem_instdir}
 for ((i = 0; i < ${#FAILFILE[@]}; i++)) {
-	sed -i \
-		-e "\@${FAILTEST[$i]}@s|do$|, :broken => true do|" \
-		${FAILFILE[$i]}
+    sed -i \
+        -e "\@${FAILTEST[$i]}@s|do$|, :broken => true do|" \
+        ${FAILFILE[$i]}
 }
 rspec spec/ || \
-	rspec spec/ --tag ~broken
+    rspec spec/ --tag ~broken
 popd
 
 %files
-%dir	%{gem_instdir}
-%license	%{gem_instdir}/License.txt
-%doc	%{gem_instdir}/Readme.md
+%dir    %{gem_instdir}
+%license    %{gem_instdir}/License.txt
+%doc    %{gem_instdir}/Readme.md
 %{gem_libdir}
 %{gem_spec}
 
-%files doc
-%doc	%{gem_docdir}
+%files help
+%doc    %{gem_docdir}
 
 %changelog
-* Mon Aug 10 2020 yanan li <liyanan032@huawei.com> - 1.1.1-1
-- Package init
+* Sat Aug 22 2020 liyanan <liyanan32@huawei.com> - 1.1.1-1
+- package init