diff --git a/clang.spec b/clang.spec
index 89a4cdee9ee8e3d51adbfec1133f0698781e4f6a..a92e60d0a6b39a4bc6462942365f3a5d1e5c4c3a 100644
--- a/clang.spec
+++ b/clang.spec
@@ -6,7 +6,7 @@
 
 Name:		clang
 Version:	12.0.1
-Release:	1
+Release:	2
 License:	GPL-2.0-only and Apache-2.0 and MIT
 Summary:	An "LLVM native" C/C++/Objective-C compiler
 URL:		http://llvm.org
@@ -19,7 +19,8 @@ BuildRequires:	llvm-devel = %{version}
 BuildRequires:  llvm-static = %{version}
 BuildRequires:	llvm-googletest = %{version}
 BuildRequires:	libxml2-devel perl-generators ncurses-devel emacs libatomic
-BuildRequires:  python3-lit python3-sphinx python3-devel
+BuildRequires:	python3-lit python3-sphinx python3-devel
+BuildRequires:	clang
 
 
 Requires:	libstdc++-devel gcc-c++ emacs-filesystem
@@ -171,6 +172,9 @@ rm -Rvf %{buildroot}%{_includedir}/clang-tidy/
 
 ln -s clang++ %{buildroot}%{_bindir}/clang++-%{maj_ver}
 
+cp -p %{_libdir}/libclang*so.10 %{buildroot}%{_libdir}
+cp -p %{_libdir}/libfindAllSymbols.so.10 %{buildroot}%{_libdir}
+
 %check
 # Checking is disabled because we don't pack libLLVMTestingSupport.a, which makes
 # standalone build of clang impossible.
@@ -266,8 +270,10 @@ ln -s clang++ %{buildroot}%{_bindir}/clang++-%{maj_ver}
 %{_bindir}/git-clang-format
 
 %changelog
+* Wed Jan 05 2022 panxiaohe <panxiaohe@huawei.com> - 12.0.1-2
+- add low version dynamic library
+
 * Wed Dec 29 2021 panxiaohe <panxiaohe@huawei.com> - 12.0.1-1
-- update to 12.0.1
 - add clang-resource-filesystem sub-package
 
 * Tue Sep 07 2021 chenchen <chen_aka_jan@163.com> - 10.0.1-5