diff --git a/python3.spec b/python3.spec
index 744a950f50830d23a5205e9a0f75b641f6cd2662..4e64830745f3bbbbefc8a9074d0c00879003b3a3 100644
--- a/python3.spec
+++ b/python3.spec
@@ -105,18 +105,23 @@ Patch6000:	CVE-2019-16056.patch
 Patch6001:	CVE-2019-16935.patch
 Patch6002:	CVE-2019-17514.patch
 
+Provides: python = %{version}-%{release}
 Provides: python%{branchversion} = %{version}-%{release}
 Provides: python(abi) = %{branchversion}
 
 Provides: python%{pyshortver} = %{version}-%{release}
 Obsoletes: python%{pyshortver}
 
+Obsoletes: python-unversioned-command < %{version}-%{release}
+Provides:  python-unversioned-command = %{version}-%{release}
+
 Requires: python-setuptools-wheel
 Requires: python-pip-wheel
 Provides: python3-libs
 Obsoletes: python3-libs
 Provides: python3-enum34 = 1.0.4-5
 Obsoletes: python3-enum34 < 1.0.4-5
+%{?python_provide:%python_provide python3-libs}
 
 Recommends: python3-setuptools
 Recommends: python3-pip
@@ -147,6 +152,8 @@ Provides: 2to3 = %{version}-%{release}
 Conflicts: %{name} < %{version}-%{release}
 Provides: python3-idle
 Obsoletes: python3-idle
+Provides: idle3 = %{version}-%{release}
+Provides: idle = %{version}-%{release}
 Provides: python3-test
 Obsoletes: python3-test
 Provides: python3-tkinter
@@ -154,6 +161,12 @@ Obsoletes: python3-tkinter
 Provides: %{name}-tools = %{version}-%{release}
 Obsoletes: %{name}-tools < %{version}-%{release}
 
+%{?python_provide:%python_provide python3-devel}
+%{?python_provide:%python_provide python3-idle}
+%{?python_provide:%python_provide python3-tkinter}
+%{?python_provide:%python_provide python3-test}
+Conflicts: python-devel < 3
+
 %description devel
 This package contains the header files and configuration needed to develop
 python3 modules.
@@ -164,6 +177,9 @@ Summary: Debug version of the Python runtime
 Requires: %{name} = %{version}-%{release}
 Requires: %{name}-devel = %{version}-%{release}
 
+Conflicts: python-debug < 3
+%{?python_provide:%python_provide python3-debug}
+
 %description debug
 python3-debug provides a version of the Python runtime with numerous debugging
 features enabled, aimed at advanced Python users such as developers of Python
@@ -371,6 +387,16 @@ ln -s \
 
 mv %{buildroot}%{_bindir}/2to3-%{branchversion} %{buildroot}%{_bindir}/2to3
 
+ln -s ./python3 %{buildroot}%{_bindir}/python
+ln -s ./pydoc3 %{buildroot}%{_bindir}/pydoc
+ln -s ./pygettext3.py %{buildroot}%{_bindir}/pygettext.py
+ln -s ./msgfmt3.py %{buildroot}%{_bindir}/msgfmt.py
+ln -s ./idle3 %{buildroot}%{_bindir}/idle
+ln -s ./python3-config %{buildroot}%{_bindir}/python-config
+ln -s ./python3.1 %{buildroot}%{_mandir}/man1/python.1
+ln -s ./python3.pc %{buildroot}%{_libdir}/pkgconfig/python.pc
+ln -s ./python3-debug %{buildroot}%{_bindir}/python-debug
+
 %check
 topdir=$(pwd)
 
@@ -415,6 +441,7 @@ export BEP_GTDLIST="$BEP_GTDLIST_TMP"
 %{_bindir}/pydoc*
 %{_bindir}/python3
 %{_bindir}/pyvenv
+%{_bindir}/python
 
 %{_bindir}/python%{branchversion}
 %{_bindir}/python%{branchversion}m
@@ -636,6 +663,10 @@ export BEP_GTDLIST="$BEP_GTDLIST_TMP"
 %{_bindir}/pathfix.py
 %{_bindir}/pygettext3.py
 %{_bindir}/msgfmt3.py
+%{_bindir}/python-config
+%{_libdir}/pkgconfig/python.pc
+%{_bindir}/pygettext.py
+%{_bindir}/msgfmt.py
 
 %{_bindir}/pygettext%{branchversion}.py
 %{_bindir}/msgfmt%{branchversion}.py
@@ -697,6 +728,7 @@ export BEP_GTDLIST="$BEP_GTDLIST_TMP"
 
 %files debug
 %{_bindir}/python3-debug
+%{_bindir}/python-debug
 
 %{_bindir}/python%{LDVERSION_debug}
 
@@ -790,6 +822,12 @@ export BEP_GTDLIST="$BEP_GTDLIST_TMP"
 %{_mandir}/*/*
 
 %changelog
+* Sat Feb 29 2020 chengquan<chengquan3@huawei.com> - 3.7.4-8
+- Type:enhancement
+- ID:NA
+- SUG:NA
+- DESC:change default version from python2 to python3
+
 * Sat Feb 22 2020 openEuler Buildteam <buildteam@openeuler.org> - 3.7.4-7
 - Type:enhancement
 - ID:NA