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diff --git a/README.en.md b/README.en.md
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index 6144ac4761e108c95c70c1a8593955536c57ada4..0000000000000000000000000000000000000000
--- a/README.en.md
+++ /dev/null
@@ -1,36 +0,0 @@
-# cmark
-
-#### Description
-CommonMark parsing and rendering.
-
-#### 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
deleted file mode 100644
index 0c74b11a59689592a96cc1bd34e82e02c366964f..0000000000000000000000000000000000000000
--- a/README.md
+++ /dev/null
@@ -1,37 +0,0 @@
-# cmark
-
-#### 介绍
-CommonMark parsing and rendering.
-
-#### 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/cmark-0.30.3.tar.gz b/cmark-0.30.3.tar.gz
deleted file mode 100644
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diff --git a/cmark.spec b/cmark.spec
index 6a25888b3e95788d50bd51df1b167f6a3fc4d2ee..021f9c11fe1682420b70a4125cbb2fe2e2e24d0d 100644
--- a/cmark.spec
+++ b/cmark.spec
@@ -1,14 +1,16 @@
 %bcond_with tests
 
 Name:           cmark
-Version:        0.30.3
+Version:        0.31.1
 Release:        1
 Summary:        CommonMark parsing and rendering library and program in C
-License:        BSD and MIT
-URL:            https://github.com/jgm/cmark
-Source0:        https://github.com/jgm/cmark/archive/%{version}.tar.gz#/%{name}-%{version}.tar.gz
+License:        BSD-2-Clause AND MIT
+URL:            https://github.com/commonmark/cmark
+Source0:        %{url}/archive/refs/tags/%{version}.tar.gz
 
-BuildRequires:  cmake gcc-c++ pkgconfig
+BuildRequires:  cmake
+BuildRequires:  gcc-c++
+BuildRequires:  pkgconfig
 
 %description
 `cmark` is the C reference implementation of CommonMark,
@@ -24,17 +26,11 @@ This package provides the development files for cmark.
 %setup -q
 
 %build
-rm -rf CMakeCache.txt
-mkdir -p build
-pushd build
-%cmake -DCMARK_TESTS=OFF -DCMARK_STATIC=OFF %{?_without_tests:-DCMARK_TESTS=OFF} ..
-%make_build
-popd
+%cmake -DCMARK_STATIC=OFF %{?_without_tests:-DCMARK_TESTS=OFF}
+%cmake_build
 
 %install
-pushd build
-%make_install
-popd
+%cmake_install
 
 %check
 %if %{with tests}
@@ -62,6 +58,9 @@ popd
 %{_libdir}/cmake/cmark/cmark*.cmake
 
 %changelog
+* Fri Oct 18 2024 liweigang <liweigang.lwg@gmail.com> - 0.31.1-1
+- update to version 0.31.1
+
 * Thu Nov 23 2023 zhangxianting <zhangxianting@uniontech.com> - 0.30.3-1
 - update to version 0.30.3