diff --git a/llvm-toolset-18.spec b/llvm-toolset-18.spec
index 98cbc272053789bf5804f53af2fea5dba342e81c..7a30be6aaf2ffcc116a9523922a8b04be7829fc7 100644
--- a/llvm-toolset-18.spec
+++ b/llvm-toolset-18.spec
@@ -9,7 +9,7 @@
 # Build sys_llvm packages or compat packages
 %bcond_with sys_llvm
 %bcond_with check
-%if %{os_version} <= 2203
+%if %{os_version} < 2003
 %bcond_with toolchain_clang
 %else
 %bcond_without toolchain_clang
@@ -147,9 +147,9 @@
 
 #region packages
 #region main package
-Name:		  llvm-toolset-%{maj_ver}
+Name:		llvm-toolset-%{maj_ver}
 Version:	%{maj_ver}.%{min_ver}.%{patch_ver}
-Release:	6
+Release:	7
 Summary:	The Low Level Virtual Machine
 
 License:	NCSA
@@ -2786,6 +2786,9 @@ fi
 #endregion files
 
 %changelog
+* Wed Jul 9 2025 Wang Qiang <wangqiang1@kylinos.cn> - 18.1.8-7
+- Enable toolchain_clang build on 2003 and 2203
+
 * Fri May 16 2025 Wenlong Zhang <zhangwenlong@loongson.cn> - 18.1.8-6
 - Fix libomptarget.rtl.amdgpu|cuda|loonarch64.so file not found