diff --git a/prefetch_tuning.spec b/prefetch_tuning.spec
index 8042047..20dc628 100644
--- a/prefetch_tuning.spec
+++ b/prefetch_tuning.spec
@@ -3,7 +3,7 @@
 Name: prefetch_tuning
 Summary: CPU prefetch tuning module for Kunpeng 920
 Version: 1.1
-Release: 3
+Release: 4
 License: GPLv2
 Source0: https://gitee.com/openeuler/prefetch_tuning/repository/archive/v%{version}.tar.gz
 buildroot: %{_tmppath}/%{kmod_name}-%{version}-build
@@ -18,7 +18,7 @@ Users can user this module to control CPU prefetch settings.
 
 %global debug_package %{nil}
 
-exclusiveArch: aarch64
+ExclusiveArch: aarch64
 
 %prep
 %setup -n %{kmod_name}
@@ -48,6 +48,9 @@ rm -rf %_builddir/%{kmod_name}-%{version}
 %preun
 
 %changelog
+* Thu Sep 10 2020 Zhipeng Xie <xiezhipeng1@huawei.com> - 1.1-4
+- fix exclusiveArch to ExclusiveArch
+
 * Wed Sep 9 2020 Liuke <liuke64@huawei.com> - 1.1-3
 - Specify the architecture and enable compiling on ARM64 only.