diff --git a/generic-release-1.0/system-info.sh b/generic-release-1.0/system-info.sh
index 9f9f7e3d2f1a6f7237dec37dcdb877a1cfc5da83..4ee99a405a992f199acb0eb83de47a96f3ccd36f 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 08e556f3f9267d062f820fec28171368bf5a7b58..489fcd36a0dfba3a7f0c1523adaf78127f639f51 100644
--- a/generic-release.spec
+++ b/generic-release.spec
@@ -3,7 +3,8 @@
 %define variant_titlecase Server
 %define variant_lowercase server
 %define dist_release_version 8
-%define generic_version 21.03
+%define generic_version 20.03
+%define generic_patch_level LTS
 %define generic_release 44
 %define builtin_release_version 1.0
 
@@ -135,11 +136,11 @@ rm -rf $RPM_BUILD_ROOT
 /etc/profile.d/performance.sh
 
 %changelog
-* Fri Mar 05 2021 miao_kaibo <miaokaibo@outlook.com> - 1.0-44
-- bug fix product_family value
+* Thu Apr  1 2021 gaochong <gaochong@uniontech.com> - 1.0-44
+- get memeroy info from /proc/meminfo instead of command free, fix issue I3EN1Z
 
-* Sun Feb 07 2021 miao_kaibo <miaokaibo@outlook.com> - 1.0-43
-- change generic_version from 20.03 to 21.03 and delete generic_patch_level
+* 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