diff --git a/README.en.md b/README.en.md
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-# postgresql16-pg_cron
-
-#### Description
-{**When you're done, you can delete the content in this README and update the file with details for others getting started with your repository**}
-
-#### Software Architecture
-Software architecture description
-
-#### Installation
-
-1.  xxxx
-2.  xxxx
-3.  xxxx
-
-#### Instructions
-
-1.  xxxx
-2.  xxxx
-3.  xxxx
-
-#### Contribution
-
-1.  Fork the repository
-2.  Create Feat_xxx branch
-3.  Commit your code
-4.  Create Pull Request
-
-
-#### Gitee Feature
-
-1.  You can use Readme\_XXX.md to support different languages, such as Readme\_en.md, Readme\_zh.md
-2.  Gitee blog [blog.gitee.com](https://blog.gitee.com)
-3.  Explore open source project [https://gitee.com/explore](https://gitee.com/explore)
-4.  The most valuable open source project [GVP](https://gitee.com/gvp)
-5.  The manual of Gitee [https://gitee.com/help](https://gitee.com/help)
-6.  The most popular members  [https://gitee.com/gitee-stars/](https://gitee.com/gitee-stars/)
diff --git a/README.md b/README.md
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-# postgresql16-pg_cron
-
-#### 介绍
-{**以下是 Gitee 平台说明，您可以替换此简介**
-Gitee 是 OSCHINA 推出的基于 Git 的代码托管平台（同时支持 SVN）。专为开发者提供稳定、高效、安全的云端软件开发协作平台
-无论是个人、团队、或是企业，都能够用 Gitee 实现代码托管、项目管理、协作开发。企业项目请看 [https://gitee.com/enterprises](https://gitee.com/enterprises)}
-
-#### 软件架构
-软件架构说明
-
-
-#### 安装教程
-
-1.  xxxx
-2.  xxxx
-3.  xxxx
-
-#### 使用说明
-
-1.  xxxx
-2.  xxxx
-3.  xxxx
-
-#### 参与贡献
-
-1.  Fork 本仓库
-2.  新建 Feat_xxx 分支
-3.  提交代码
-4.  新建 Pull Request
-
-
-#### 特技
-
-1.  使用 Readme\_XXX.md 来支持不同的语言，例如 Readme\_en.md, Readme\_zh.md
-2.  Gitee 官方博客 [blog.gitee.com](https://blog.gitee.com)
-3.  你可以 [https://gitee.com/explore](https://gitee.com/explore) 这个地址来了解 Gitee 上的优秀开源项目
-4.  [GVP](https://gitee.com/gvp) 全称是 Gitee 最有价值开源项目，是综合评定出的优秀开源项目
-5.  Gitee 官方提供的使用手册 [https://gitee.com/help](https://gitee.com/help)
-6.  Gitee 封面人物是一档用来展示 Gitee 会员风采的栏目 [https://gitee.com/gitee-stars/](https://gitee.com/gitee-stars/)
diff --git a/postgresql16-pg_cron.spec b/postgresql16-pg_cron.spec
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+%global sname pg_cron
+%global llvm 1
+%global pgmajorversion 16
+
+Summary:  Run periodic jobs in PostgreSQL
+Name:     postgresql%{pgmajorversion}-%{sname}
+Version:  1.6.2
+Release:  1%{dist}
+License:  AGPLv3
+URL:      https://github.com/citusdata/%{sname}
+Source0:  https://github.com/citusdata/%{sname}/archive/v%{version}.tar.gz
+
+BuildRequires:	postgresql%{pgmajorversion}-private-devel libxml2-devel
+# pg_config -> pg_server_config (postgresql-server-devel provides)
+BuildRequires:	postgresql%{pgmajorversion}-server-devel
+Requires:	postgresql%{pgmajorversion}-server
+Requires(post):	%{_sbindir}/update-alternatives
+Requires(postun):	%{_sbindir}/update-alternatives
+
+%description
+pg_cron is a simple cron-based job scheduler for PostgreSQL
+(9.5 or higher) that runs inside the database as an extension.
+It uses the same syntax as regular cron, but it allows you to
+schedule PostgreSQL commands directly from the database.
+
+%if %llvm
+%package llvmjit
+Summary:	Just-in-time compilation support for pg_cron
+Requires:	%{name} = %{version}-%{release}
+Requires:	llvm => 13.0
+
+%description llvmjit
+This packages provides JIT support for pg_cron
+%endif
+
+%prep
+%autosetup -n %{sname}-%{version}
+
+%build
+%make_build
+
+%install
+%make_install
+# Install documentation with a better name:
+%{__mkdir} -p %{buildroot}%{_docdir}/pgsql/extension
+%{__cp} README.md %{buildroot}%{_docdir}/pgsql/extension/README-%{sname}.md
+
+%files
+%license LICENSE
+%doc CHANGELOG.md
+%doc %{_docdir}/pgsql/extension/README-%{sname}.md
+%{_libdir}/pgsql/%{sname}.so
+%{_datadir}/pgsql/extension/%{sname}-*.sql
+%{_datadir}/pgsql/extension/%{sname}.control
+
+%if %llvm
+%files llvmjit
+   %{_libdir}/pgsql/bitcode/%{sname}*.bc
+   %{_libdir}/pgsql/bitcode/%{sname}/src/*.bc
+%endif
+
+%changelog
+* Fri Apr 12 2024 Wang Guodong <gordonwwang@tencent.com> - 1.6.2-1
+- init build
diff --git a/sources b/sources
new file mode 100755
index 0000000000000000000000000000000000000000..af2a4f733aa741fbcff27fe1a7be136ec04a7a3a
--- /dev/null
+++ b/sources
@@ -0,0 +1 @@
+SHA512 (v1.6.2.tar.gz) = 4202f0a35c07d090be817284ff518d97e31ea9860c0e0b0ac9657539b1e5695a03246faa9c2bb793abdf2b971ec0792732fcf43b06bb94537272a613e6bd91ba