diff --git a/os-traits-0.5.0.tar.gz b/os-traits-0.5.0.tar.gz
new file mode 100644
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diff --git a/os-traits-2.4.0.tar.gz b/os-traits-2.4.0.tar.gz
deleted file mode 100644
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diff --git a/python-os-traits.spec b/python-os-traits.spec
index d68f1edb97dcc57a75a56fffa94a1744b80507df..cbb00ff62459768fde5804561c758705d1232bf9 100644
--- a/python-os-traits.spec
+++ b/python-os-traits.spec
@@ -1,43 +1,66 @@
 %global _empty_manifest_terminate_build 0
 Name:		python-os-traits
-Version:	2.4.0
-Release:	2
+Version:	0.5.0
+Release:	1
 Summary:	A library containing standardized trait strings
 License:	Apache-2.0
-URL:		http://opendev.org/openstack/os-traits
-Source0:	https://files.pythonhosted.org/packages/68/4d/3c7e46c340e55adb0933f1644d5a2f06024bfe34b3b71f3ce54d434119fa/os-traits-2.4.0.tar.gz
+URL:		https://docs.openstack.org/os-traits/latest/
+Source0:	https://files.pythonhosted.org/packages/03/c0/c1e53d499db05ec0a46186a2b42968faf76b3d28677a278f700a1417b35f/os-traits-0.5.0.tar.gz
 BuildArch:	noarch
-
-Requires:	python3-pbr
-
 %description
-os-traits is an OpenStack library containing standardized trait strings.
+=========
+os-traits
+=========
 
+`os-traits` is a library containing standardized trait strings.
 
-%package -n python3-os-traits
+Traits are strings that represent a feature of some resource provider.  This
+library contains the catalog of constants that have been standardized in the
+OpenStack community to refer to a particular hardware, virtualization, storage,
+network, or device trait.
+
+%package -n python2-os-traits
 Summary:	A library containing standardized trait strings
-Provides:	python-os-traits
-BuildRequires:	python3-devel
-BuildRequires:	python3-setuptools
-BuildRequires:  python3-pip
-BuildRequires:  python3-pbr
-%description -n python3-os-traits
-os-traits is an OpenStack library containing standardized trait strings.
+Provides:	python2-os-traits
+BuildRequires:	python2-devel
+BuildRequires:	python2-setuptools
+Requires:	python2-pbr
+Requires:	python2-six
+%description -n python2-os-traits
+=========
+os-traits
+=========
+
+`os-traits` is a library containing standardized trait strings.
+
+Traits are strings that represent a feature of some resource provider.  This
+library contains the catalog of constants that have been standardized in the
+OpenStack community to refer to a particular hardware, virtualization, storage,
+network, or device trait.
 
 %package help
 Summary:	Development documents and examples for os-traits
-Provides:	python3-os-traits-doc
+Provides:	python2-os-traits-doc
 %description help
-os-traits is an OpenStack library containing standardized trait strings.
+=========
+os-traits
+=========
+
+`os-traits` is a library containing standardized trait strings.
+
+Traits are strings that represent a feature of some resource provider.  This
+library contains the catalog of constants that have been standardized in the
+OpenStack community to refer to a particular hardware, virtualization, storage,
+network, or device trait.
 
 %prep
-%autosetup -n os-traits-2.4.0
+%autosetup -n os-traits-0.5.0
 
 %build
-%py3_build
+%py2_build
 
 %install
-%py3_install
+%py2_install
 install -d -m755 %{buildroot}/%{_pkgdocdir}
 if [ -d doc ]; then cp -arf doc %{buildroot}/%{_pkgdocdir}; fi
 if [ -d docs ]; then cp -arf docs %{buildroot}/%{_pkgdocdir}; fi
@@ -64,14 +87,12 @@ popd
 mv %{buildroot}/filelist.lst .
 mv %{buildroot}/doclist.lst .
 
-%files -n python3-os-traits -f filelist.lst
-%dir %{python3_sitelib}/*
+%files -n python2-os-traits -f filelist.lst
+%dir %{python2_sitelib}/*
 
 %files help -f doclist.lst
 %{_docdir}/*
 
 %changelog
-* Fri Jan 29 2021 zhangy <zhangy1317@foxmail.com>
-- Add buildrequires
-* Wed Jan 06 2021 Python_Bot <Python_Bot@openeuler.org>
+* Mon May 10 2021 OpenStack_SIG <openstack@openeuler.org>
 - Package Spec generated