diff --git a/clang.spec b/clang.spec
index 205bdeb87d822a10e8cada916944e91d5c42ca83..21e7aa535955d719f1b485d1a651e4060f497ff1 100644
--- a/clang.spec
+++ b/clang.spec
@@ -43,7 +43,7 @@
 
 Name:		%{pkg_name}
 Version:	%{clang_version}
-Release:	20
+Release:	21
 Summary:	A C language family front-end for LLVM
 
 License:	NCSA
@@ -219,7 +219,12 @@ pathfix.py -i %{__python3} -pn \
 
 %setup -q -n %{clang_srcdir}
 %autopatch -M200 -p2
-
+%ifarch loongarch64 
+rm test/CodeGenCUDA/amdgpu-kernel-arg-pointer-type.cu test/CodeGenCUDA/bug-kerner-registration-reuse.cu \
+   test/CodeGenCUDA/cxx-call-kernel.cpp test/CodeGenCUDA/incomplete-func-ptr-type.cu \
+   test/CodeGenCUDA/kernel-dbg-info.cu test/CodeGenCUDA/kernel-stub-name.cu \
+   test/CodeGenCUDA/lambda.cu test/CodeGenCUDA/offloading-entries.cu
+%endif
 pathfix.py -i %{__python3} -pn \
 	tools/clang-format/ \
 	tools/clang-format/git-clang-format \
@@ -412,6 +417,9 @@ LD_LIBRARY_PATH=%{buildroot}/%{install_libdir}  %{__ninja} check-all -C ./_build
 %{install_bindir}/git-clang-format
 
 %changelog
+* Sun Jun 9 2024 zhangxianjun <zhangxianjun@kylinos.cn> - 17.0.6-21
+- strip loongarch test error
+
 * Tue Jul 30 2024 liyunfei <liyunfei33@huawei.com> - 17.0.6-20
 - Disable toolchain_clang build for BiSheng Autotuner support temporary.