diff --git a/generic-release-1.0/system-info.sh b/generic-release-1.0/system-info.sh
index a4e92541ede0a0cbe1568eec0431350f15ab0ccd..19af64a9a453536f15bbca31915aea46d1415358 100644
--- a/generic-release-1.0/system-info.sh
+++ b/generic-release-1.0/system-info.sh
@@ -13,19 +13,28 @@
 welcome=$(uname -r)
 
 # Memory
-memory_total=$(free -m | awk '/Mem:/ { printf($2)}')
+memory_total=$(cat /proc/meminfo | awk '/^MemTotal:/ {printf($2)}')
+memory_free=$(cat /proc/meminfo | awk '/^MemFree:/ { printf($2)}')
+buffers=$(cat /proc/meminfo | awk '/^Buffers:/ { printf($2)}')
+cached=$(cat /proc/meminfo | awk '/^Cached:/ { printf($2)}')
+sreclaimable=$(cat /proc/meminfo | awk '/^SReclaimable:/ { printf($2)}')
+swap_total=$(cat /proc/meminfo | awk '/^SwapTotal:/ { printf($2)}')
+swap_free=$(cat /proc/meminfo | awk '/^SwapFree:/ { printf($2)}')
+
+
 if [ $memory_total -gt 0 ]
 then
-    memory_usage=$(free -m | awk '/Mem:/ { printf("%3.1f%%", $3/$2*100)}')
+    memory_usage=`echo "scale=1; ($memory_total - $memory_free - $buffers - $cached - $sreclaimable) * 100.0 / $memory_total" |bc`
+    memory_usage="${memory_usage}%"
 else
     memory_usage=0.0%
 fi
 
 # Swap memory
-swap_total=$(free -m | awk '/Swap:/ { printf($2)}')
 if [ $swap_total -gt 0 ]
 then
-    swap_mem=$(free -m | awk '/Swap:/ { printf("%3.1f%%", $3/$2*100)}')
+    swap_mem=`echo "scale=1; ($swap_total - $swap_free) * 100.0 / $swap_total" |bc`
+    swap_mem="${swap_mem}%"
 else
     swap_mem=0.0%
 fi
diff --git a/generic-release.spec b/generic-release.spec
index a0a0a1f020c2e3b9d921d8ae9dfceb1a374ec452..6ca4e4e76cf912f4b2a858491971b3697f12645d 100644
--- a/generic-release.spec
+++ b/generic-release.spec
@@ -5,8 +5,7 @@
 %define dist_release_version 8
 %define generic_version 20.03
 %define generic_patch_level LTS
-%define generic_patch_level_extend SP2
-%define generic_release 39
+%define generic_release 44
 %define builtin_release_version 1.0
 
 %define current_arch %{_arch}
@@ -162,12 +161,18 @@ rm -rf $RPM_BUILD_ROOT
 %defattr(0644,root,root,0755)
 /etc/profile.d/performance.sh
 
-%files -n %{product_family}-rootfiles
-%config(noreplace) /root/.bashrc
-%config(noreplace) /root/.bash_profile
-%config(noreplace) /root/.bash_logout
-%config(noreplace) /root/.tcshrc
-%config(noreplace) /root/.cshrc
+%changelog
+* Thu Apr  1 2021 gaochong <gaochong@uniontech.com> - 1.0-44
+- get memeroy info from /proc/meminfo instead of command free, fix issue I3EN1Z
+
+* Sat Dec 26 2020 fu_changjie <fuchangjie@kylinos.cn> - 1.0-43
+- Change value of product_family to 2, fix issue I3A6CP
+
+* Sat Dec 26 2020 fu_changjie <fuchangjie@kylinos.cn> - 1.0-42
+- Use generic_version macro instead of constant value， fix issue I28WC0
+
+* Sat Dec 26 2020 Shinwell_Hu <huxinwei@huawei.com> - 1.0-41
+- Disable GOMP_CPU_AFFINITY setting in performance.sh to fix issue I1OT20
 
 %changelog
 * Wed Apr 28 2021 yaokai13 <yaokai13@huawei.com> - 1.0-39