diff --git a/trousers.spec b/trousers.spec
index c37c022bc4f4ca5165d3e6490b24338f47c7f56d..5d91c0ca4c3ed3d9ae8f5eb3834da6d4a53addfb 100644
--- a/trousers.spec
+++ b/trousers.spec
@@ -1,26 +1,24 @@
-%define anolis_release 2
+%define anolis_release 3
+
 Name:    trousers
-Summary: TCG's Software Stack v1.2
 Version: 0.3.15
 Release: %{anolis_release}%{?dist}
+Summary: The open-source TCG Software Stack
 License: BSD
-
-Url:     https://sourceforge.net/projects
-Source0: %{url}/trousers/files/trousers/%{version}/%{name}-%{version}.tar.gz
+Url:     http://trousers.sourceforge.net
+Source0: http://downloads.sourceforge.net/%{name}/%{name}-%{version}.tar.gz
 Source1: tcsd.service
 
 Patch1: trousers-0.3.14-noinline.patch
-# submitted upstream
 Patch2: trousers-0.3.14-unlock-in-err-path.patch
 
-BuildRequires: make
-BuildRequires: libtool openssl-devel gettext-devel autoconf automake
-BuildRequires: systemd
+BuildRequires: autoconf automake make
+BuildRequires: libtool openssl-devel gettext-devel systemd
 Requires(pre): shadow-utils
 Requires(post): systemd-units
 Requires(preun): systemd-units
 Requires(postun): systemd-units
-Requires: %{name}-lib%{?_isa} = %{version}-%{release}
+Requires: %{name}-lib = %{version}-%{release}
 
 %description
 TrouSerS is an implementation of the Trusted Computing Group's Software Stack
@@ -31,15 +29,22 @@ state using cryptographic hashes and more.
 
 %package lib
 Summary: TrouSerS libtspi library
-# Needed obsoletes due to the -lib subpackage split
 Obsoletes: trousers < 0.3.13-4
 
 %description lib
 The libtspi library for use in Trusted Computing enabled applications.
 
+%package devel
+Summary: TrouSerS header files and documentation
+Requires: %{name}-lib = %{version}-%{release}
+
+%description devel
+Header files and man pages for use in creating Trusted Computing enabled
+applications.
+
 %package static
 Summary: TrouSerS TCG Device Driver Library
-Requires: %{name}-devel%{?_isa} = %{version}-%{release}
+Requires: %{name}-devel = %{version}-%{release}
 
 %description static
 The TCG Device Driver Library (TDDL) used by the TrouSerS tcsd as the
@@ -47,14 +52,6 @@ interface to the TPM's device driver. For more information about writing
 applications to the TDDL interface, see the latest TSS spec at
 https://www.trustedcomputinggroup.org/specs/TSS.
 
-%package devel
-Summary: TrouSerS header files and documentation
-Requires: %{name}-lib%{?_isa} = %{version}-%{release}
-
-%description devel
-Header files and man pages for use in creating Trusted Computing enabled
-applications.
-
 %package doc
 Summary: Documentation files for %{name}
 Requires: %{name} = %{version}-%{release}
@@ -64,15 +61,14 @@ BuildArch: noarch
 The %{name}-doc package contains documentation files for %{name}.
 
 %prep
-%autosetup -p1
-# fix man page paths
+%autosetup -p1 -n %{name}-%{version}
 sed -i -e 's|/var/tpm|/var/lib/tpm|g' -e 's|/usr/local/var|/var|g' man/man5/tcsd.conf.5.in man/man8/tcsd.8.in
 
 %build
 chmod +x ./bootstrap.sh
 ./bootstrap.sh
 %configure --with-gui=openssl
-make -k %{?_smp_mflags}
+%make_build -k
 
 %install
 mkdir -p %{buildroot}%{_localstatedir}/lib/tpm
@@ -106,10 +102,10 @@ exit 0
 %files
 %{_sbindir}/tcsd
 %config(noreplace) %attr(0640, root, tss) %{_sysconfdir}/tcsd.conf
-%{_mandir}/man5/*
-%{_mandir}/man8/*
 %attr(644,root,root) %{_unitdir}/tcsd.service
 %attr(0700, tss, tss) %{_localstatedir}/lib/tpm/
+%{_mandir}/man5/*
+%{_mandir}/man8/*
 
 %files lib
 %dir %{abidir}
@@ -118,22 +114,23 @@ exit 0
 %{abidir}/libtspi.dump
 
 %files devel
-# The files to be used by developers, 'trousers-devel'
-%doc doc/LTC-TSS_LLD_08_r2.pdf doc/TSS_programming_SNAFUs.txt
 %{_libdir}/libtspi.so
 %{_includedir}/tss/
 %{_includedir}/trousers/
 %{_mandir}/man3/Tspi_*
+%doc doc/LTC-TSS_LLD_08_r2.pdf doc/TSS_programming_SNAFUs.txt
 
 %files static
-# The only static library shipped by trousers, the TDDL
 %{_libdir}/libtddl.a
 
 %files doc
 %doc README ChangeLog
 
 %changelog
-* Sun Mar 19 2023 Shawn Wang <shawnwang@linux.alibaba.ocm> - 0.3.15-2
+* Wed Apr 12 2023 Shawn Wang <shawnwang@linux.alibaba.com> - 0.3.15-3
+- Optimize the spec file
+
+* Sun Mar 19 2023 Shawn Wang <shawnwang@linux.alibaba.com> - 0.3.15-2
 - Optimize the spec file
 
 * Thu Mar 10 2022 Mingyue Zhao <wb-zmy745940@alibaba-inc.com> - 0.3.15-1