diff --git a/python-portend.spec b/python-portend.spec
index e4e5df8..8fcc2ea 100644
--- a/python-portend.spec
+++ b/python-portend.spec
@@ -1,21 +1,21 @@
 %global _empty_manifest_terminate_build 0
-Name:		python-portend
-Version:	2.6
-Release:	1
-Summary:	TCP port monitoring and discovery
-License:	MIT
-URL:		https://pypi.org/project/portend
-Source0:	https://files.pythonhosted.org/packages/04/98/997f8668b11292f13d3e69fc626232c497228306c764523c5a3a3b59c775/portend-2.6.tar.gz
-BuildArch:	noarch
+Name:           python-portend
+Version:        2.6
+Release:        2
+Summary:        TCP port monitoring and discovery
+License:        MIT
+URL:            https://pypi.org/project/portend
+Source0:        https://files.pythonhosted.org/packages/04/98/997f8668b11292f13d3e69fc626232c497228306c764523c5a3a3b59c775/portend-2.6.tar.gz
+BuildArch:      noarch
 Recommends:     %{name}-help = %{version}-%{release}
 
-Requires:	python3-tempora
-Requires:	python3-sphinx
-Requires:	python3-pytest
-Requires:	python3-pytest-checkdocs
-Requires:	python3-pytest-flake8
-Requires:	python3-pytest-black-multipy
-Requires:	python3-pytest-cov
+Requires:       python3-tempora
+Requires:       python3-sphinx
+Requires:       python3-pytest
+Requires:       python3-pytest-checkdocs
+Requires:       python3-pytest-flake8
+Requires:       python3-pytest-black-multipy
+Requires:       python3-pytest-cov
 
 %description
 Use portend to monitor TCP ports for bound or unbound states.
@@ -44,10 +44,11 @@ a bound listener (i.e. a TCP connection is established to that host/port),
 assert_free will raise a ``PortNotFree`` exception.
 
 %package -n python3-portend
-Summary:	TCP port monitoring and discovery
-Provides:	python-portend
-BuildRequires:	python3-devel
-BuildRequires:	python3-setuptools
+Summary:        TCP port monitoring and discovery
+Provides:       python-portend
+BuildRequires:  python3-devel
+BuildRequires:  python3-setuptools
+BuildRequires:  python3-setuptools_scm
 %description -n python3-portend
 Use portend to monitor TCP ports for bound or unbound states.
 For example, to wait for a port to be occupied, timing out after 3 seconds::
@@ -75,8 +76,8 @@ a bound listener (i.e. a TCP connection is established to that host/port),
 assert_free will raise a ``PortNotFree`` exception.
 
 %package help
-Summary:	Development documents and examples for portend
-Provides:	python3-portend-doc
+Summary:        Development documents and examples for portend
+Provides:       python3-portend-doc
 %description help
 Use portend to monitor TCP ports for bound or unbound states.
 For example, to wait for a port to be occupied, timing out after 3 seconds::
@@ -144,5 +145,8 @@ mv %{buildroot}/doclist.lst .
 %{_docdir}/*
 
 %changelog
-* Mon Nov 16 2020 Python_Bot <Python_Bot@openeuler.org>
+* Mon Nov 16 2020 zhanghua <zhanghua@huawei.com> - 2.6-2
+- fix random build failed
+
+* Mon Nov 16 2020 Python_Bot <Python_Bot@openeuler.org> - 2.6-1
 - Package init