diff --git a/generic-release-1.0/performance.sh b/generic-release-1.0/performance.sh
index 02a4b66672334b85c1e06ecbba1c3543290f474b..b970583b52975f5de55da3d594c1cb7c848ecea4 100644
--- a/generic-release-1.0/performance.sh
+++ b/generic-release-1.0/performance.sh
@@ -9,12 +9,11 @@
 #PURPOSE.
 #See the Mulan PSL v1 for more details.
 
-CPUNO=`cat /proc/cpuinfo|grep processor|wc -l`
+CPUNO=`cat /proc/cpuinfo | grep processor | wc -l`
 export GOMP_CPU_AFFINITY=0-$[CPUNO - 1]
 
-sysctl -w vm.min_free_kbytes=112640 &> /dev/null
-sysctl -w vm.dirty_ratio=60 &> /dev/null
+sysctl -w kernel.sched_autogroup_enabled=0 &>/dev/null
+sysctl -w vm.min_free_kbytes=112640 &>/dev/null
+sysctl -w vm.dirty_ratio=60 &>/dev/null
 echo never > /sys/kernel/mm/transparent_hugepage/enabled
 echo never > /sys/kernel/mm/transparent_hugepage/defrag
-sysctl -w kernel.sched_autogroup_enabled=0 &> /dev/null
-sysctl -p &> /dev/null
diff --git a/generic-release.spec b/generic-release.spec
index 11465ab5de192ac6cf58ec1993a47669c3059cd3..dd04a937f0ade98ba9894f072c23501887941f0c 100644
--- a/generic-release.spec
+++ b/generic-release.spec
@@ -5,7 +5,7 @@
 %define dist_release_version 8
 %define generic_version 1.0
 %define generic_patch_level Base
-%define generic_release 30
+%define generic_release 31
 %define builtin_release_version 1.0
 
 %define current_arch %{_arch}
@@ -135,6 +135,9 @@ rm -rf $RPM_BUILD_ROOT
 /etc/profile.d/performance.sh
 
 %changelog
+* Sat Mar 18 2020 openEuler Buildteam <buildteam@openeuler.org> - 1.0-31
+- code formatting
+
 * Sat Mar 17 2020 openEuler Buildteam <buildteam@openeuler.org> - 1.0-30
 - add color aliases