diff --git a/README.en.md b/README.en.md
index 485d5a3ffa58191f8cc35faad18bbafd4e66ab0f..8dd09c95ec46000de00924df633d63ff3bc950ef 100644
--- a/README.en.md
+++ b/README.en.md
@@ -1,9 +1,22 @@
-# llvm-bolt
+# llvm-bolt-latest
 
 #### Description
-BOLT is a post-link optimizer developed to speed up large applications.
-It achieves the improvements by optimizing application's code layout based
-on execution profile gathered by sampling profiler, such as Linux perf tool.
+llvm-bolt is a post-link optimizer developed to speed up large applications
+
+#### Software Architecture
+Software architecture description
+
+#### Installation
+
+1.  xxxx
+2.  xxxx
+3.  xxxx
+
+#### Instructions
+
+1.  xxxx
+2.  xxxx
+3.  xxxx
 
 #### Contribution
 
diff --git a/README.md b/README.md
index 1e836ceb9aab2e8b5e57a1f52e41c6f77d7d1bcd..02e75cab485e1b333714917cd0ccce3cb8db74fd 100644
--- a/README.md
+++ b/README.md
@@ -1,9 +1,23 @@
-# llvm-bolt
+# llvm-bolt-latest
 
 #### 介绍
-BOLT is a post-link optimizer developed to speed up large applications.
-It achieves the improvements by optimizing application's code layout based
-on execution profile gathered by sampling profiler, such as Linux perf tool.
+llvm-bolt is a post-link optimizer developed to speed up large applications
+
+#### 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
 
diff --git a/llvm-bolt.spec b/llvm-bolt.spec
index d83d218f9292d6c26303cacd0ae11422196535d9..8433173d3dca9df75cc26f7026f977782ed08e3a 100644
--- a/llvm-bolt.spec
+++ b/llvm-bolt.spec
@@ -1,35 +1,33 @@
-%bcond_without sys_llvm
 %bcond_with check
-%bcond_with toolchain_clang
+%bcond_without toolchain_clang
 
 %if %{with toolchain_clang}
 %global toolchain clang
 %endif
 
-%global maj_ver 17
-%global min_ver 0
-%global patch_ver 6
+%global maj_ver 18
+%global min_ver 1
+%global patch_ver 8
 %global bolt_version %{maj_ver}.%{min_ver}.%{patch_ver}
 %global bolt_srcdir llvm-project-%{bolt_version}.src
 
-%if %{with sys_llvm}
-%global pkg_name llvm-bolt
-%global install_prefix %{_prefix}
-%else
-%global pkg_name llvm-bolt%{maj_ver}
-%global install_prefix %{_libdir}/llvm%{maj_ver}
-%endif
+%global _scl_prefix /opt/openEuler
+%{?scl:%scl_package %scl}
+%{!?scl:%global scl_prefix llvm-toolset-%{maj_ver}-}
+%{!?scl:%global pkg_name %{name}}
+%global install_prefix %{!?scl:%{_scl_prefix}/llvm-toolset-%{maj_ver}/root}%{_prefix}
+%global install_datadir %{!?scl:%{_scl_prefix}/llvm-toolset-%{maj_ver}/root}%{_datadir}
 
 %global install_bindir %{install_prefix}/bin
 %global install_libdir %{install_prefix}/lib
 %global install_docdir %{install_prefix}/share/doc
 %global max_link_jobs 2
 
-Name:           %{pkg_name}
+Name:           %{?scl_prefix}llvm-bolt
 Version:        %{bolt_version}
-Release:        3
+Release:        1
 Summary:        BOLT is a post-link optimizer developed to speed up large applications
-License:        Apache-2.0
+License:        Apache 2.0
 URL:            https://github.com/llvm/llvm-project/tree/main/bolt
 
 Source0:        https://github.com/llvm/llvm-project/releases/download/llvmorg-%{bolt_version}/%{bolt_srcdir}.tar.xz
@@ -52,6 +50,8 @@ BuildRequires:  doxygen
 BuildRequires:	clang
 %endif
 
+%{?scl:Requires: %scl_runtime}
+
 %description
 BOLT is a post-link optimizer developed to speed up large applications.
 It achieves the improvements by optimizing application's code layout based
@@ -60,8 +60,8 @@ on execution profile gathered by sampling profiler, such as Linux perf tool.
 %package doc
 Summary: Documentation for BOLT
 BuildArch: noarch
-Requires: %{name} = %{version}-%{release}
- 
+Requires: %{pkg_name} = %{version}-%{release}
+
 %description doc
 Documentation for the BOLT optimizer
 
@@ -99,32 +99,45 @@ Documentation for the BOLT optimizer
 
 # Set LD_LIBRARY_PATH now because we skip rpath generation and the build uses
 # some just built libraries.
-export LD_LIBRARY_PATH=%{_builddir}/%{bolt_srcdir}/%{__cmake_builddir}/%{_lib}
-%cmake_build --target bolt
+export LD_LIBRARY_PATH=%{_builddir}/%{bolt_srcdir}/%{_vpath_builddir}/%{_lib}
+%ninja_build bolt
 
 %install
-%cmake_install --component bolt
+%ninja_install bolt
+
+# Remove extera llvm files.
+find %{buildroot}%{install_prefix} \
+     ! -name "llvm-bolt" \
+     ! -name "merge-fdata" \
+     ! -name "perf2bolt" \
+     ! -name "llvm-boltdiff" \
+     ! -name "llvm-bolt-heatmap" \
+     ! -name "libbolt_rt_hugify.a" \
+     ! -name "libbolt_rt_instr.a" \
+     -type f,l -exec rm -f '{}' \;
+
 
 # Remove files installed during the build phase.
-rm -f %{buildroot}/%{_builddir}/%{bolt_srcdir}/%{__cmake_builddir}/%{_lib}/lib*.a
+rm -f %{buildroot}/%{_builddir}/%{bolt_srcdir}/%{_vpath_builddir}/%{_lib}/lib*.a
 
 # There currently is not support upstream for building html doc from BOLT
 install -d %{buildroot}%{install_docdir}
 mv bolt/README.md bolt/docs/*.md %{buildroot}%{install_docdir}
 
-%if %{with check}
 %check
+
+%if %{with check}
 %ifarch aarch64
 # Failing test cases on aarch64
 rm bolt/test/cache+-deprecated.test bolt/test/bolt-icf.test bolt/test/R_ABS.pic.lld.cpp
 %endif
 
-export LD_LIBRARY_PATH=%{_builddir}/%{bolt_srcdir}//%{__cmake_builddir}/%{_lib}
+export LD_LIBRARY_PATH=%{_builddir}/%{bolt_srcdir}//%{_vpath_builddir}/%{_lib}
 export DESTDIR=%{buildroot}
-%cmake_build --target check-bolt
+%ninja_build check-bolt
 
 # Remove files installed during the check phase.
-rm -f %{buildroot}/%{_builddir}/%{bolt_srcdir}/%{__cmake_builddir}/%{_lib}/lib*.a
+rm -f %{buildroot}/%{_builddir}/%{bolt_srcdir}/%{_vpath_builddir}/%{_lib}/lib*.a
 %endif
 
 %files
@@ -135,19 +148,17 @@ rm -f %{buildroot}/%{_builddir}/%{bolt_srcdir}/%{__cmake_builddir}/%{_lib}/lib*.
 %{install_bindir}/perf2bolt
 %{install_bindir}/llvm-bolt-heatmap
 
-%ifarch x86_64
 %{install_libdir}/libbolt_rt_hugify.a
 %{install_libdir}/libbolt_rt_instr.a
-%if %{with toolchain_clang}
-%{install_libdir}/libbolt_rt_instr_osx.a
-%endif
-%endif
 
 %files doc
 %doc %{install_docdir}
 
 
 %changelog
+* Fri Dec 6 2024 liyunfei <liyunfei33@huawei.com> - 18.1.8-1
+- init for Multi-Version LLVM-18.1.8
+
 * Tue Nov 12 2024 Funda Wang <fundawang@yeah.net> - 17.0.6-3
 - adopt to new cmake macro
 - build with gcc now, as llvm/clang will produce linking error
diff --git a/llvm-project-17.0.6.src.tar.xz.sig b/llvm-project-17.0.6.src.tar.xz.sig
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similarity index 85%
rename from llvm-project-17.0.6.src.tar.xz
rename to llvm-project-18.1.8.src.tar.xz
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