diff --git a/doxygen.spec b/doxygen.spec
index 51a500f146a9854fe4edaad869c36b5e768c9abf..b0dd684a18e5b8ff926f9f0c938409676d952832 100644
--- a/doxygen.spec
+++ b/doxygen.spec
@@ -1,10 +1,10 @@
 %global xapian_core_support "ON"
 %global BuildDir "Out"
-%global clang_support ON
+%global clang_support OFF
 Name:                doxygen
 Epoch:               1
 Version:             1.9.3
-Release:             2
+Release:             3
 Summary:             A documentation system for C/C++
 License:             GPL+
 Url:                 https://www.doxygen.nl
@@ -104,6 +104,9 @@ make tests -C %{BuildDir}
 %{_datadir}/icons/hicolor/*/apps/doxywizard.png
 
 %changelog
+* Wed Sep 21 2022 zhouwenpei <zhouwenpei1@h-partners.com> - 1:1.9.3-3
+- set clang_support to default OFF
+
 * Mon Aug 15 2022 caodongxia <caodongxia@h-partners.com> - 1:1.9.3-2
 - RTFGenerator should exit with 0 when gengrate file success