diff --git a/build.sh b/build.sh
new file mode 100644
index 0000000..6f2be21
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,295 @@
+#!/bin/bash
+#######################################################################
+# Copyright (c): 2020-2025, Huawei Tech. Co., Ltd.
+# descript: Compile and pack python driver for openGauss
+#           Return 0 means OK.
+#           Return 1 means failed.
+# version:  2.0
+# date:     2020-08-09
+#######################################################################
+declare install_package_format='tar'
+declare serverlib_dir='None'
+
+#detect platform information.
+PLATFORM=32
+bit=$(getconf LONG_BIT)
+if [ "$bit" -eq 64 ]; then
+    PLATFORM=64
+fi
+
+#get OS distributed version.
+if [ -f "/etc/euleros-release" ]; then
+    kernel=$(cat /etc/euleros-release | awk -F ' ' '{print $1}' | tr A-Z a-z)
+    version=$(cat /etc/euleros-release | awk -F '(' '{print $2}'| awk -F ')' '{print $1}' | tr A-Z a-z)
+elif [ -f "/etc/openEuler-release" ]; then
+    kernel=$(cat /etc/openEuler-release | awk -F ' ' '{print $1}' | tr A-Z a-z)
+    version=$(cat /etc/openEuler-release | awk -F '(' '{print $2}'| awk -F ')' '{print $1}' | tr A-Z a-z)
+elif [ -f "/etc/centos-release" ]; then
+    kernel=$(cat /etc/centos-release | awk -F ' ' '{print $1}' | tr A-Z a-z)
+    version=$(cat /etc/centos-release | awk -F '(' '{print $2}'| awk -F ')' '{print $1}' | tr A-Z a-z)
+elif [ -f "/etc/kylin-release" ]; then
+    kernel=$(cat /etc/kylin-release | awk -F ' ' '{print $1}' | tr A-Z a-z)
+    version=$(cat /etc/kylin-release | awk '{print $6}' | tr A-Z a-z)
+else
+    kernel=$(lsb_release -d | awk -F ' ' '{print $2}'| tr A-Z a-z)
+    version=$(lsb_release -r | awk -F ' ' '{print $2}')
+fi
+
+if [ X"$kernel" == X"euleros" ]; then
+    dist_version="EULER"
+elif [ X"$kernel" == X"centos" ]; then 
+    dist_version="CENTOS"
+elif [ X"$kernel" == X"openeuler" ]; then 
+    dist_version="OPENEULER"
+elif [ X"$kernel" == X"kylin" ]; then
+    dist_version="KYLIN"
+else
+    echo "We only support EulerOS, OPENEULER(aarch64) and CentOS platform."
+    echo "Kernel is $kernel"
+    exit 1
+fi
+
+##default install version storage path
+declare db_name_for_package='openGauss'
+declare version_number='2.0.0'
+
+if [ $# = 0 ] ; then 
+    echo "missing option"
+    print_help 
+    exit 1
+fi
+
+LOCAL_PATH=${0}
+FIRST_CHAR=$(expr substr "$LOCAL_PATH" 1 1)
+if [ "$FIRST_CHAR" = "/" ]; then
+    LOCAL_PATH=${0}
+else
+    LOCAL_PATH="$(pwd)/${LOCAL_PATH}"
+fi
+
+LOCAL_DIR=$(dirname "${LOCAL_PATH}")
+#########################################################################
+##read command line paramenters
+#######################################################################
+while [ $# -gt 0 ]; do
+    case "$1" in
+        -h|--help)
+            print_help
+            exit 1
+            ;;
+        -bd|--serverlib_dir)
+            if [ "$2"X = X ]; then
+                echo "no given binarylib directory values"
+                exit 1
+            fi
+            serverlib_dir=$2
+            shift 2
+            ;;
+         *)
+            echo "Internal Error: option processing error: $1" 1>&2  
+            echo "please input right paramtenter, the following command may help you"
+            echo "./build.sh --help or ./build.sh -h"
+            exit 1
+    esac
+done
+
+#######################################################################
+## declare all package name
+#######################################################################
+declare version_string="${db_name_for_package}-${version_number}"
+declare package_pre_name="${version_string}-${dist_version}-${PLATFORM}bit"
+declare python_package_name="${package_pre_name}-Python.${install_package_format}.gz"
+
+declare BUILD_DIR="${LOCAL_DIR}/build"
+declare MKGS_OK=0
+SERVERLIBS_PATH="${serverlib_dir}"
+PSYCOPG_VERSION=psycopg2-2.9
+declare LOG_FILE="${LOCAL_DIR}/build_psycopg2.log"
+declare ERR_MKGS_FAILED=1
+echo "[makepython] $(date +%y-%m-%d' '%T): script dir : ${LOCAL_DIR}"
+
+#######################################################################
+## print help information
+#######################################################################
+function print_help()
+{
+    echo "Usage: $0 [OPTION]
+    -h|--help              show help information.
+    -bd|--serverlib_dir    the directory of sever binarylibs.
+"
+}
+
+#######################################################################
+#  Print log.
+#######################################################################
+log()
+{
+    echo "[Build psycopg2] $(date +%y-%m-%d' '%T): $@"
+    echo "[Build psycopg2] $(date +%y-%m-%d' '%T): $@" >> "$LOG_FILE" 2>&1
+}
+
+#######################################################################
+#  print log and exit.
+#######################################################################
+die()
+{
+    log "$@"
+    echo "$@"
+    exit $ERR_MKGS_FAILED
+}
+
+# clean build python log
+function clean_environment()
+{
+
+    if [ -f "$LOG_FILE" ]; then
+        rm -rf "$LOG_FILE"
+    fi
+
+    if [ -d "${LOCAL_DIR}/build" ]; then
+        rm -rf ${LOCAL_DIR}/build
+    fi
+
+    echo "clean completely"
+}
+
+function check_python()
+{
+    array=(python3 python2 python)
+    for py in ${array[@]}; do
+        ${py} -c 'import setuptools' >> /dev/null 2>&1
+        if [ $? -eq 0 ]; then
+            log "choose python: $(which ${py})"
+            PYTHON=${py}
+            version=$(${py} --version 2>&1)
+            PYTHON_VERSION=python${version:7:1}
+            return 0
+         fi
+    done
+    die "the python in your current enviroment is invalid, please check again and install setuptools."
+}
+
+function change_gaussdb_version()
+{
+    if [ ! -f setup.py ]; then
+        die "not found psycopg2 code in current working directory."
+    fi
+
+    src_text='(pgmajor, pgminor, pgpatch)'
+    dst_text='(9, 2, 4)'
+    sed -i "s/${src_text}/${dst_text}/g" setup.py
+    search_result=$(cat setup.py | grep "$src_text")
+    if [ "${search_result}"X != "X" ]; then
+        die "failed to replace PG_VERSION_NUM at setup.py."
+    fi
+}
+
+###############################################################
+##  copy the target to set path
+###############################################################
+function target_file_copy()
+{
+    cd ${LOCAL_DIR}/build/lib*
+    mv psycopg2/_psycopg*.so psycopg2/_psycopg.so
+
+    mkdir -p  lib
+    #copy libraries into lib
+    cd ./psycopg2
+    libs=$(ldd _psycopg.so | awk '{print $3}' | grep $GAUSSHOME/lib)
+    for lib in ${libs[@]}; do
+        cp $lib ../lib
+    done
+    cd ..
+    
+}
+
+#######################################################################
+# build and install component
+#######################################################################
+function build_python()
+{
+    cd ${LOCAL_DIR}
+    # set GAUSSHOME enviroment variable with BUILD_OPTION
+    export GAUSSHOME=$SERVERLIBS_PATH
+    export LD_LIBRARY_PATH=$GAUSSHOME/lib:$LD_LIBRARY_PATH
+    export PATH=${GAUSSHOME}/bin:${PATH}
+
+    echo "GAUSSHOME: ${GAUSSHOME}"
+
+    change_gaussdb_version 
+    check_python 
+    ${PYTHON} ./setup.py build
+    if [ $? -ne 0 ]; then
+        die "failed to compile psycopg2."
+    fi
+
+    echo "End make python" >> "$LOG_FILE" 2>&1
+}
+
+declare package_command
+#######################################################################
+##select package command accroding to install_package_format
+#######################################################################
+function select_package_command()
+{
+    case "$install_package_format" in
+        tar)
+            tar='tar'
+            option=' -zcvf'
+            package_command="$tar$option"
+            ;;
+        rpm)
+            rpm='rpm'
+            option=' -i'
+            package_command="$rpm$option"
+            ;;
+    esac
+}
+
+#######################################################################
+##function make_package have tree actions
+##1.copy target file into a newly created temporary directory temp
+##2.package all file in the temp directory and renome to destination package_path
+#######################################################################
+function make_package()
+{
+    target_file_copy
+    cd ${BUILD_DIR}/lib*
+    select_package_command
+
+    echo "packaging python..."
+    $package_command "${python_package_name}" ./lib ./psycopg2 >>"$LOG_FILE" 2>&1
+    if [ $? -ne 0 ]; then
+        die "$package_command ${python_package_name} failed"
+    fi
+
+    mv ${python_package_name} ${BUILD_DIR}/
+
+    echo "install python tools is ${python_package_name} of ${BUILD_DIR} directory " >> "$LOG_FILE" 2>&1
+    echo "success!"
+}
+
+#############################################################
+# main function
+#############################################################
+
+# 1. clean environment 
+echo "clean enviroment"
+echo "[makedb] $(date +%y-%m-%d' '%T): remove ${BUILD_DIR}" >>"$LOG_FILE" 2>&1
+clean_environment
+
+
+# 2. build python
+build_python
+
+# 3. make python package
+make_package
+
+# 4. cp python package to output
+mkdir ${LOCAL_DIR}/output
+mv ${BUILD_DIR}/*.tar.gz ${LOCAL_DIR}/output/
+
+echo "now, python driver package has finished!"
+
+exit 0
+
diff --git a/setup.py b/setup.py
index 517967b..927945a 100644
--- a/setup.py
+++ b/setup.py
@@ -409,7 +409,7 @@ For further information please check the 'doc/src/install.rst' file (also at
                 sys.exit(1)
 
             define_macros.append(("PG_VERSION_NUM", "%d%02d%02d" %
-                                  (pgmajor, pgminor, pgpatch)))
+                                  (9, 2, 4)))
 
             # enable lo64 if libpq >= 9.3 and Python 64 bits
             if (pgmajor, pgminor) >= (9, 3) and is_py_64():