diff --git a/clang.spec b/clang.spec
index 35bd87c9179257e2bfa196dea428f52dd592bd19..a7d5010b329f769659de02e46975e746049b6adc 100644
--- a/clang.spec
+++ b/clang.spec
@@ -10,7 +10,7 @@
 %global patch_ver 8
 %global clang_version %{maj_ver}.%{min_ver}.%{patch_ver}
 
-%global _scl_prefix /opt/openEuler
+%global _scl_prefix /opt/%{_vendor}
 %{?scl:%scl_package %scl}
 %{!?scl:%global scl_prefix llvm-toolset-%{maj_ver}-}
 %{!?scl:%global pkg_name %{name}}
@@ -37,7 +37,7 @@
 
 Name:		%{?scl_prefix}clang
 Version:	%{clang_version}
-Release:	1
+Release:	2
 Summary:	A C language family front-end for LLVM
 
 License:	NCSA
@@ -63,6 +63,7 @@ BuildRequires:	%{?scl_prefix}llvm-static = %{version}
 BuildRequires:	%{?scl_prefix}llvm-test = %{version}
 BuildRequires:	%{?scl_prefix}llvm-googletest = %{version}
 BuildRequires:	%{?scl_prefix}llvm-cmake-utils = %{version}
+BuildRequires:	%{?scl_prefix}llvm-mlir-devel = %{version}
 
 BuildRequires:	libxml2-devel
 BuildRequires:	multilib-rpm-config
@@ -386,6 +387,10 @@ LD_LIBRARY_PATH=%{buildroot}/%{install_libdir}  %{__ninja} check-all -C ./_build
 %{install_bindir}/git-clang-format
 
 %changelog
+* Wed Dec 10 2025 Peng Haitao <htpengc@isoftstone.com> - 18.1.8-2
+- Add BuildRequires llvm-toolset-18-llvm-mlir-devel and
+  modify openEuler to %{vendor}
+
 * Fri Dec 6 2024 liyunfei <liyunfei33@huawei.com> - 18.1.8-1
 - init for Multi-Version LLVM-18.1.8