diff --git a/rust-zram-generator.spec b/rust-zram-generator.spec
index 01b51c4292fbbcc16f558dabe64fff41b0f6a9c9..7cf73787b6917205aa48393e140a7d93948bf9c6 100644
--- a/rust-zram-generator.spec
+++ b/rust-zram-generator.spec
@@ -1,42 +1,33 @@
-%define anolis_release 1
+%define anolis_release 2
+%bcond_with manpage
 %global crate zram-generator
 
-Name:		rust-zram-generator
+Name:		rust-%{crate}
 Version:	1.1.2
 Release:	%{anolis_release}%{?dist}
 Summary:	Systemd unit generator for zram swap devices
-
 License:	MIT
-URL:		https://crates.io/crates/zram-generator
-Source0:	https://github.com/systemd/zram-generator/archive/refs/tags/v1.1.2.tar.gz
-Source1:        zram-generator.conf
-
-BuildRequires:	rust-packaging > 21
+URL:		https://crates.io/crates/%{crate}
+Source0:	https://github.com/systemd/%{crate}/archive/refs/tags/v%{version}.tar.gz
+Source1:        %{crate}-%{version}-vendor.tar.gz
+Source2:        zram-generator.conf
 
-# The following build dependencies are the software required for the check.
-BuildRequires:	rust-ctor+default-devel rust-ctor-devel rust-nix-devel
-BuildRequires:	rust-fs_extra-devel rust-fs_extra+default-devel rust-nix+default-devel
-BuildRequires:	rust-tempfile+default-devel
+BuildRequires: make automake autoconf systemd-rpm-macros
+BuildRequires: rust cargo rust-packaging > 21
+%if %{with manpage}
+BuildRequires: /usr/bin/ronn
+%endif
 
 %description
-This is a systemd unit generator that enables swap on zram.
-(With zram, there is no physical swap device. Part of the available RAM
-is used to store compressed pages, essentially trading CPU cycles for memory.)
-
-%package        devel
-Summary:        %{summary}
-BuildArch:      noarch
-
-%description 	devel
-%{description}
-This package contains library source intended for building other packages which
-use the "%{crate}" crate.
+This generator provides a simple and fast mechanism to configure
+swap on /dev/zram* devices. The main use case is create swap devices,
+but devices with a file system can be created too.
 
 %package 	-n zram-generator
 Summary:	Systemd unit generator for zram swap devices
-	
+
 %description 	-n zram-generator
-%{description}
+This package provides systemd unit generator for zram swap devices.
 
 %package 	-n zram-generator-defaults
 Summary:        Default configuration for zram-generator
@@ -45,71 +36,69 @@ Obsoletes:      zram < 0.4-2
 BuildArch:      noarch
 
 %description 	-n zram-generator-defaults
-%{summary}.
-
-%package     	-n %{name}+default-devel
-Summary:        %{summary}
-BuildArch:      noarch
-
-%description 	-n %{name}+default-devel
-%{description}
-This package contains library source intended for building other packages
-which use "default" feature of "%{crate}" crate.
+This package provides default configuration for zram-generator.
 
 %prep
-%autosetup -n zram-generator-%{version} -p1
-cp -a  %{SOURCE1} ./
+%autosetup -n %{crate}-%{version}
+%setup -q -D -T -a 1 -n %{crate}-%{version}
+cp -pva  %{SOURCE2} .
 
 %cargo_prep
-%generate_buildrequires
-%cargo_generate_buildrequires
-echo '/usr/bin/make'
-echo '/usr/bin/ronn'
-echo 'systemd-rpm-macros'
+mkdir -p .cargo
+cat > .cargo/config <<EOF
+[source.crates-io]
+replace-with = "vendored-sources"
+
+[source.vendored-sources]
+directory = "vendor"
+EOF
 
 %build
 export SYSTEMD_UTIL_DIR=%{_systemd_util_dir}
 export LC_ALL=C.UTF-8
 %cargo_build
-%make_build SYSTEMD_SYSTEM_UNIT_DIR=%{_unitdir} SYSTEMD_SYSTEM_GENERATOR_DIR=%{_systemdgeneratordir} \
-  systemd-service man
+%make_build SYSTEMD_SYSTEM_UNIT_DIR=%{_unitdir} \
+  SYSTEMD_SYSTEM_GENERATOR_DIR=%{_systemdgeneratordir} \
+%if %{with manpage}
+  man \
+%endif
+  systemd-service
 
 %install
 export SYSTEMD_UTIL_DIR=%{_systemd_util_dir}
 %cargo_install
-rm %{buildroot}%{_bindir}/zram-generator
-%make_install SYSTEMD_SYSTEM_UNIT_DIR=%{_unitdir} SYSTEMD_SYSTEM_GENERATOR_DIR=%{_systemdgeneratordir} \
-  NOBUILD=1
- 
-install -Dpm0644 -t %{buildroot}%{_prefix}/lib/systemd %{SOURCE1}
+
+%make_install SYSTEMD_SYSTEM_UNIT_DIR=%{_unitdir} \
+  SYSTEMD_SYSTEM_GENERATOR_DIR=%{_systemdgeneratordir} \
+  NOBUILD=1 %{!?with_manpage:NOMAN=1}
+
+mkdir -p %{buildroot}%{_prefix}/lib/systemd
+install -p -m 0644 %{SOURCE2} %{buildroot}%{_prefix}/lib/systemd
+
+# Remove devel files because we do not provide devel sub-package currently.
+rm -rf %{buildroot}%{crate_instdir}
 
 %check
 export SYSTEMD_UTIL_DIR=%{_systemd_util_dir}
-cargo test
-: ==============================================================================
-%{buildroot}%{_systemdgeneratordir}/zram-generator --help
-: ==============================================================================
-%{buildroot}%{_systemdgeneratordir}/zram-generator --help | grep -q %{_systemd_util_dir}/systemd-makefs
-
-%files		devel
-%license LICENSE
-%doc README.md
-%{cargo_registry}/%{crate}-%{version_no_tilde}/
+%cargo_test
 
 %files		-n zram-generator
-%license LICENSE
-%doc zram-generator.conf.example README.md
 %{_systemdgeneratordir}/zram-generator
 %{_unitdir}/systemd-zram-setup@.service
+%if %{with manpage}
 %{_mandir}/man8/zram-generator.8*
 %{_mandir}/man5/zram-generator.conf.5*
+%endif
+%doc README.md zram-generator.conf.example
+%license LICENSE
 
 %files 		-n zram-generator-defaults
 %{_prefix}/lib/systemd/zram-generator.conf
 
-%files		-n %{name}+default-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
-
 %changelog
+* Sat Apr 15 2023 Yuanhong Peng <yummypeng@linux.alibaba.com> - 1.1.2-2
+- Refactor the specfile and remove devel sub-package
+- Disable manpage generation by default
+
 * Wed Apr 20 2022 happy_orange <songnannan@linux.alibaba.com> - 1.1.2-1
 - Init package from upstream
diff --git a/zram-generator-1.1.2-vendor.tar.gz b/zram-generator-1.1.2-vendor.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..e5b707217d55b2bbff956fe927e65e535ddc6ba0
Binary files /dev/null and b/zram-generator-1.1.2-vendor.tar.gz differ