diff --git a/build/script/package_opengauss.sh b/build/script/package_opengauss.sh
index 2dd04b4c1..dc77975c7 100755
--- a/build/script/package_opengauss.sh
+++ b/build/script/package_opengauss.sh
@@ -310,6 +310,7 @@ function target_file_copy()
     copy_files_list "$1" $2
 
     cp ${SCRIPT_DIR}/version.cfg ${BUILD_DIR}/temp
+    cp -rf ${SCRIPT_DIR}/../../simpleInstall ${BUILD_DIR}/temp
     if [ $? -ne 0 ]; then
         die "copy ${SCRIPT_DIR}/version.cfg to ${BUILD_DIR}/temp failed"
     fi
diff --git a/simpleInstall/install.sh b/simpleInstall/install.sh
index 02a395af0..9208a7194 100644
--- a/simpleInstall/install.sh
+++ b/simpleInstall/install.sh
@@ -99,7 +99,7 @@ function check_os() {
 
     local shmall=$(cat /proc/sys/kernel/shmall)
     local pagesize=$(getconf PAGESIZE)
-    if [ $(($shared_buffers/1024/1024-$shmall/1024/1024*$pagesize)) -gt 0 ]; then
+    if [ $(($shared_buffers/1024/1024/1024-$shmall/1024/1024/1024*$pagesize)) -gt 0 ]; then
         echo "The usage of the device [Shared_buffers] space cannot be greater than shmall*PAGESIZE." && exit 1
     fi