diff --git a/groff.spec b/groff.spec
index b8c2ec2..037c432 100644
--- a/groff.spec
+++ b/groff.spec
@@ -1,7 +1,7 @@
 %global __requires_exclude %{?__requires_exclude:%__requires_exclude|}^perl\\([^.]*\\.pl\\)
 Name: groff
 Version: 1.22.4
-Release: 6
+Release: 7
 Summary: A typesetting system
 License: GPLv3+ and GFDL and BSD and MIT
 URL: http://www.gnu.org/software/groff/
@@ -10,14 +10,14 @@ Source: http://ftp.gnu.org/gnu/groff/groff-%{version}.tar.gz
 BuildRequires: gcc, gcc-c++ texinfo
 BuildRequires: git, netpbm-progs, perl-generators, psutils, ghostscript
 BuildRequires: libXaw-devel, libXmu-devel
-BuildRequires: jbig2dec-libs gdb
+BuildRequires: jbig2dec-libs 
 Requires:      coreutils
+Requires:     %{name}-base = %{version}-%{release}
 
 Obsoletes:    %{name}-base < %{version}-%{release}
 Obsoletes:    %{name}-perl < %{version}-%{release}
 Obsoletes:    %{name}-x11 < %{version}-%{release}
 Obsoletes:    %{name}-gxditview < 1.20.1
-Provides:     %{name}-base
 Provides:     %{name}-perl
 Provides:     %{name}-x11
 Provides:     groff-gxditview = %{version}-%{release}
@@ -31,6 +31,13 @@ Formatting commands may be either low-level typesetting requests
 (“primitives”) or macros from a supplied set. Users may also write
 their own macros. All three may be combined.
 
+%package        base
+Summary:        Base parts of groff formatting system
+
+%description    base
+The groff-base package contains base parts of groff formatting system
+which are required to display manual pages.
+
 %package        help
 Summary:        Documents for %{name}
 Buildarch:      noarch
@@ -149,6 +156,8 @@ make check
 %{_bindir}/roff2text
 %{_bindir}/roff2x
 %{_bindir}/xtotroff
+
+%files base
 %{_bindir}/eqn
 %{_bindir}/groff
 %{_bindir}/grops
@@ -170,7 +179,6 @@ make check
 %{_bindir}/gneqn
 %{_bindir}/gsoelim
 %{_bindir}/zsoelim
-
 %{_libdir}/groff/
 
 %files help
@@ -183,12 +191,18 @@ make check
 %{_infodir}/groff.info*
 
 %changelog
+* Tue Aug 17 2021 Jianmin <jianmin@iscas.ac.cn> - 1.22.4-7
+- split groff-base from groff
+
 * Wed Feb 10 2020 chenjialong<chenjialong@huawei.com> - 1.22.4-6
 - Type:NA
 - ID:NA
 - SUG:NA
 - DESC:rebuild.
 
+* Thu Jul 22 2021 wuchaochao <wuchaochao4@huawei.com> - 1.22.4-5
+- Remove BuildRequires gdb
+
 * Sat Mar 14 2020 openEuler Buildteam <buildteam@openeuler.org> - 1.22.4-4
 - fixbug in self-building