diff --git a/llvm-toolset-19.spec b/llvm-toolset-19.spec
index bbd53dd562d56b2cdea9b9e94bd01e39a178565b..e9a1afb8dd24b74ddf263e14b30ab01b1f73fda7 100644
--- a/llvm-toolset-19.spec
+++ b/llvm-toolset-19.spec
@@ -4,7 +4,7 @@
 %global min_ver 1
 %global patch_ver 7
 
-%global os_version %{lua: print(tonumber(rpm.expand("%{dist}"):match("oe(%d+)") or 9999))}
+%global os_version %{lua: print(tonumber(rpm.expand("%{dist}"):match("oe(%d+)") or 2403))}
 
 # Build sys_llvm packages or compat packages
 %bcond_with sys_llvm
@@ -160,7 +160,7 @@
 #region main package
 Name:		llvm-toolset-%{maj_ver}
 Version:	%{maj_ver}.%{min_ver}.%{patch_ver}
-Release:	14
+Release:	15
 Summary:	The Low Level Virtual Machine
 
 License:	NCSA
@@ -768,6 +768,11 @@ execution profile gathered by sampling profiler, such as Linux `perf` tool.
 
 # shebang_fix part removed
 
+# update Gnu target triples, make it friendly to all openEuler based distribution
+%if "%{_vendor}" != "openEuler"
+sed -i 's/"\([a-zA-Z0-9_-]\+\)-openEuler-linux"/"\1-openEuler-linux", "\1-%{_vendor}-linux"/g' %{build_src_dir}/clang/lib/Driver/ToolChains/Gnu.cpp
+%endif
+
 #endregion prep
 
 #region build
@@ -2960,6 +2965,9 @@ fi
 #endregion files
 
 %changelog
+* Fri Oct 17 2025 liyunfei <liyunfei33@huawei.com> - 19.1.7-15
+- update target triples for all openEuler based distribution.
+
 * Tue Oct 14 2025 wangqiang <wangqiang1@kylinos.cn> - 19.1.7-14
 - Replaced the hardcoded /opt/openEuler path with /opt/\%{_vendor}