diff --git a/internal/kclvm_py/api/version/checksum.txt b/internal/kclvm_py/api/version/checksum.txt
index a75349d2f..dcee92d48 100644
--- a/internal/kclvm_py/api/version/checksum.txt
+++ b/internal/kclvm_py/api/version/checksum.txt
@@ -1 +1 @@
-9e3303edaba484df6004620bf7b28b98
\ No newline at end of file
+c5339e572207211e46477825e8aca903
\ No newline at end of file
diff --git a/internal/kclvm_py/program/exec/kclvm_cli.py b/internal/kclvm_py/program/exec/kclvm_cli.py
index 6cfdefe56..4f030423a 100644
--- a/internal/kclvm_py/program/exec/kclvm_cli.py
+++ b/internal/kclvm_py/program/exec/kclvm_cli.py
@@ -21,7 +21,7 @@
 
 kclvm_PANIC_INFO_KEY = "__kcl_PanicInfo__"
 
-
+_exe_root = os.path.dirname(os.environ.get("KCLVM_CLI_BIN_PATH") or sys.executable)
 _cli_dll = None
 
 
@@ -32,15 +32,12 @@ def init_cli_dll():
         return
 
     if platform.system() == "Darwin":
-        _exe_root = os.path.dirname(os.path.dirname(sys.executable))
         _cli_dll_path = f"{_exe_root}/bin/libkclvm_cli_cdylib.dylib"
         _cli_dll = CDLL(_cli_dll_path)
     elif platform.system() == "Linux":
-        _exe_root = os.path.dirname(os.path.dirname(sys.executable))
         _cli_dll_path = f"{_exe_root}/bin/libkclvm_cli_cdylib.so"
         _cli_dll = CDLL(_cli_dll_path)
     elif platform.system() == "Windows":
-        _exe_root = os.path.dirname(sys.executable)
         _cli_dll_path = f"{_exe_root}/kclvm_cli_cdylib.dll"
         _cli_dll = CDLL(_cli_dll_path)
     else:
diff --git a/internal/kclvm_py/scripts/build-cpython.sh b/internal/kclvm_py/scripts/build-cpython.sh
index f62643804..848509f54 100755
--- a/internal/kclvm_py/scripts/build-cpython.sh
+++ b/internal/kclvm_py/scripts/build-cpython.sh
@@ -10,76 +10,6 @@ prepare_dirs () {
     mkdir -p "$cpython_install_dir"
 }
 
-# Switch configuration options.
-config_option="Default"
-if [ "$os" != "" ]; then
-    config_option=$os
-fi
-
-# python version
-py_ver_major="3"
-py_ver_minor="7"
-py_ver_micro="6"
-
-for config in "$config_option"
-do
-    case $config in
-        "Default" | "centos")
-            config_envs="LANG=C.UTF-8"
-            config_options="--enable-optimizations --with-ssl"
-            echo "$REPLY: The configuration is $config: config_envs=$config_envs config_options=$config_options"
-            break
-            ;;
-        "Darwin")
-            if [ "$sslpath" == "" ]; then
-                sslpath=$(brew --prefix openssl@1.1)
-            fi
-
-            py_ver_major="3"
-            py_ver_minor="9"
-            py_ver_micro="12"
-
-            config_envs="LANG=C.UTF-8"
-            config_options="--enable-optimizations --with-openssl=$sslpath --with-ssl-default-suites=python"
-            echo "$REPLY: The configuration is $config: config_envs=$config_envs config_options=$config_options"
-            break
-            ;;
-        "ubuntu" | "debian" | "Ubuntu" |"Debian" | "Static-Debian" | "Cood1-Debian" | "Cood1Shared-Debian")
-            config_envs="CFLAGS=-Wno-coverage-mismatch"
-            config_options="--enable-optimizations --with-ssl"
-            echo "$REPLY: The configuration is $config: config_envs=$config_envs config_options=$config_options"
-            break
-            ;;
-        *) echo "Invalid config option $REPLY:$config"
-            exit 1
-            break
-            ;;
-    esac
-done
-
-# py_ver_str="$(python3 -c 'import os; print(os.path.basename(os.path.dirname(os.__file__)))')"
-py_ver_str="${py_ver_major}.${py_ver_minor}.${py_ver_micro}"
-
-# wget python
-mkdir -p $topdir/_build/3rdparty
-wget -P  $topdir/_build/3rdparty "https://www.python.org/ftp/python/${py_ver_str}/Python-${py_ver_str}.tgz"
-tar zxvf $topdir/_build/3rdparty/Python-${py_ver_str}.tgz -C $topdir/_build/3rdparty
-
-prepare_dirs
-prefix_option="--prefix=$cpython_install_dir"
-cpython_source_dir="$topdir/_build/3rdparty/Python-${py_ver_str}"
-
-# Perform the configuration/make/make install process.
-set -x
-cd $cpython_build_dir
-eval $config_envs $cpython_source_dir/configure $prefix_option $config_options "--enable-shared"
-eval $config_envs $cpython_source_dir/configure $prefix_option $config_options
-# The make -j command may fail on some OS.
-# make -j "$(nproc)"
-make -j8 build_all
-make -j8 altinstall
-set +x
-
 # Print the summary.
 echo "================ Summary ================"
-echo "  CPython is built into $cpython_build_dir"
\ No newline at end of file
+echo "  CPython is ignored!!!"
diff --git a/internal/kclvm_py/scripts/build-kclvm.sh b/internal/kclvm_py/scripts/build-kclvm.sh
index 0cf46f129..eca1cae47 100755
--- a/internal/kclvm_py/scripts/build-kclvm.sh
+++ b/internal/kclvm_py/scripts/build-kclvm.sh
@@ -4,59 +4,20 @@
 set -e
 
 prepare_dirs () {
-    cpython_build_dir="$topdir/_build/dist/$os/cpython"
-    kclvm_packages_dir="$topdir/_build/packages"
     kclvm_install_dir="$topdir/_build/dist/$os/kclvm"
-    mkdir -p "$kclvm_install_dir"
-    mkdir -p "$kclvm_packages_dir"
+    mkdir -p "$kclvm_install_dir/bin"
+    mkdir -p "$kclvm_install_dir/lib/site-packages"
+    mkdir -p "$kclvm_install_dir/include"
 }
 
 prepare_dirs
 kclvm_source_dir="$topdir/internal/kclvm_py"
 
-# python exe name
-py_exe_name="python3.7"
-if [ -d "${cpython_build_dir}/lib/python3.9" ]; then
-    py_exe_name="python3.9"
-fi
-
-# py_lib_basename: python3.x
-py_lib_basename="python3.7"
-if [ -d "${cpython_build_dir}/lib/python3.9" ]; then
-    py_lib_basename="python3.9"
-fi
-
 # Perform the build process.
 set -x
 
-# Copy files from CPython.
-cd $kclvm_install_dir
-mkdir -p bin
-mkdir -p lib
-cp $cpython_build_dir/bin/${py_exe_name} $kclvm_install_dir/bin/kclvm
-cp -r $cpython_build_dir/lib/${py_lib_basename} $kclvm_install_dir/lib/
-
-# Darwin dylib
-if [ -e $cpython_build_dir/lib/lib${py_lib_basename}.dylib ]; then
-    touch $kclvm_install_dir/lib/lib${py_lib_basename}.dylib
-    rm $kclvm_install_dir/lib/lib${py_lib_basename}.dylib
-    mv $cpython_build_dir/lib/lib${py_lib_basename}.dylib $kclvm_install_dir/lib/lib${py_lib_basename}.dylib
-fi
-# Linux so
-if [ -e $cpython_build_dir/lib/lib${py_lib_basename}m.so.1.0 ]; then
-    touch $kclvm_install_dir/lib/lib${py_lib_basename}.so
-    rm $kclvm_install_dir/lib/lib${py_lib_basename}.so
-    mv $cpython_build_dir/lib/lib${py_lib_basename}m.so.1.0 $kclvm_install_dir/lib/lib${py_lib_basename}.so
-fi
-# Windows dll
-if [ -e $cpython_build_dir/lib/lib${py_lib_basename}.dll ]; then
-    touch $kclvm_install_dir/lib/lib${py_lib_basename}.dll
-    rm $kclvm_install_dir/lib/lib${py_lib_basename}.dll
-    mv $cpython_build_dir/lib/lib${py_lib_basename}.dll $kclvm_install_dir/lib/lib${py_lib_basename}.dll
-fi
-cp -r $cpython_build_dir/include $kclvm_install_dir/
-
 # Copy KCLVM.
+cp "$topdir/internal/kclvm_py/scripts/requirements.txt" $kclvm_install_dir/
 cp "$topdir/internal/kclvm_py/scripts/cli/kcl" $kclvm_install_dir/bin/
 cp "$topdir/internal/kclvm_py/scripts/cli/kcl-plugin" $kclvm_install_dir/bin/
 cp "$topdir/internal/kclvm_py/scripts/cli/kcl-doc" $kclvm_install_dir/bin/
@@ -72,15 +33,15 @@ chmod +x $kclvm_install_dir/bin/kcl-lint
 chmod +x $kclvm_install_dir/bin/kcl-fmt
 chmod +x $kclvm_install_dir/bin/kcl-vet
 
-if [ -d $kclvm_install_dir/lib/${py_lib_basename}/kclvm ]; then
-   rm -rf $kclvm_install_dir/lib/${py_lib_basename}/kclvm
+if [ -d $kclvm_install_dir/lib/site-packages/kclvm ]; then
+   rm -rf $kclvm_install_dir/lib/site-packages/kclvm
 fi
-cp -r $kclvm_source_dir $kclvm_install_dir/lib/${py_lib_basename}
-mv $kclvm_install_dir/lib/${py_lib_basename}/kclvm_py $kclvm_install_dir/lib/${py_lib_basename}/kclvm
+cp -r $kclvm_source_dir $kclvm_install_dir/lib/site-packages
+mv $kclvm_install_dir/lib/site-packages/kclvm_py $kclvm_install_dir/lib/site-packages/kclvm
 
 # Get site-packages.
-chmod +x $topdir/internal/kclvm_py/scripts/kcllib-install.sh
-$topdir/internal/kclvm_py/scripts/kcllib-install.sh
+#chmod +x $topdir/internal/kclvm_py/scripts/kcllib-install.sh
+#$topdir/internal/kclvm_py/scripts/kcllib-install.sh
 
 # Install plugins
 cp -rf $topdir/plugins $kclvm_install_dir/
diff --git a/internal/kclvm_py/scripts/cli/kcl b/internal/kclvm_py/scripts/cli/kcl
index 63cd3eaea..6f921f0c8 100755
--- a/internal/kclvm_py/scripts/cli/kcl
+++ b/internal/kclvm_py/scripts/cli/kcl
@@ -1,5 +1,32 @@
 #!/bin/sh
 
-kclvm_path=$(cd `dirname $0`; pwd)/kclvm
-export PATHONPATH=''
-$kclvm_path -m kclvm "$@"
+# Stop on error.
+set -e
+
+# python3 path
+python3_bin=`which python3`
+kclvm_install_dir=$(cd `dirname $0`/..; pwd)
+pip_install_done_file="$kclvm_install_dir/lib/site-packages/kclvm.requirements.done.txt"
+
+# check python3
+if [ -z "$python3_bin" ]; then
+    echo "python3 not found!"
+    exit 1
+fi
+
+# once: pip install
+if [ ! -f $pip_install_done_file ]; then
+    # check python3 version
+    $python3_bin -c "import sys; sys.exit(0) if sys.version_info>=(3,7,3) else (print('please install python 3.7.3+') or sys.exit(1))"
+    # pip install requirements.txt
+    install_list=$kclvm_install_dir/requirements.txt
+    target_dir=$kclvm_install_dir/lib/site-packages
+
+    # kclvm pip install all libs
+    $python3_bin -m pip install --target=$target_dir -r $install_list
+    echo 'done' > $pip_install_done_file
+fi
+
+export PYTHONPATH=$kclvm_install_dir/lib/site-packages
+export KCLVM_CLI_BIN_PATH=$kclvm_install_dir/bin
+$python3_bin -m kclvm "$@"
diff --git a/internal/kclvm_py/scripts/cli/kcl-doc b/internal/kclvm_py/scripts/cli/kcl-doc
index e49fd8e15..edc643741 100755
--- a/internal/kclvm_py/scripts/cli/kcl-doc
+++ b/internal/kclvm_py/scripts/cli/kcl-doc
@@ -1,5 +1,32 @@
 #!/bin/sh
 
-kclvm_path=$(cd `dirname $0`; pwd)/kclvm
-export PATHONPATH=''
-$kclvm_path -m kclvm.tools.docs "$@"
+# Stop on error.
+set -e
+
+# python3 path
+python3_bin=`which python3`
+kclvm_install_dir=$(cd `dirname $0`/..; pwd)
+pip_install_done_file="$kclvm_install_dir/lib/site-packages/kclvm.requirements.done.txt"
+
+# check python3
+if [ -z "$python3_bin" ]; then
+    echo "python3 not found!"
+    exit 1
+fi
+
+# once: pip install
+if [ ! -f $pip_install_done_file ]; then
+    # check python3 version
+    $python3_bin -c "import sys; sys.exit(0) if sys.version_info>=(3,7,3) else (print('please install python 3.7.3+') or sys.exit(1))"
+    # pip install requirements.txt
+    install_list=$kclvm_install_dir/requirements.txt
+    target_dir=$kclvm_install_dir/lib/site-packages
+
+    # kclvm pip install all libs
+    $python3_bin -m pip install --target=$target_dir -r $install_list
+    echo 'done' > $pip_install_done_file
+fi
+
+export PYTHONPATH=$kclvm_install_dir/lib/site-packages
+export KCLVM_CLI_BIN_PATH=$kclvm_install_dir/bin
+$python3_bin -m kclvm.tools.docs "$@"
diff --git a/internal/kclvm_py/scripts/cli/kcl-fmt b/internal/kclvm_py/scripts/cli/kcl-fmt
index db13541a8..46ce24b06 100755
--- a/internal/kclvm_py/scripts/cli/kcl-fmt
+++ b/internal/kclvm_py/scripts/cli/kcl-fmt
@@ -1,5 +1,32 @@
 #!/bin/sh
 
-kclvm_path=$(cd `dirname $0`; pwd)/kclvm
-export PATHONPATH=''
-$kclvm_path -m kclvm.tools.format "$@"
+# Stop on error.
+set -e
+
+# python3 path
+python3_bin=`which python3`
+kclvm_install_dir=$(cd `dirname $0`/..; pwd)
+pip_install_done_file="$kclvm_install_dir/lib/site-packages/kclvm.requirements.done.txt"
+
+# check python3
+if [ -z "$python3_bin" ]; then
+    echo "python3 not found!"
+    exit 1
+fi
+
+# once: pip install
+if [ ! -f $pip_install_done_file ]; then
+    # check python3 version
+    $python3_bin -c "import sys; sys.exit(0) if sys.version_info>=(3,7,3) else (print('please install python 3.7.3+') or sys.exit(1))"
+    # pip install requirements.txt
+    install_list=$kclvm_install_dir/requirements.txt
+    target_dir=$kclvm_install_dir/lib/site-packages
+
+    # kclvm pip install all libs
+    $python3_bin -m pip install --target=$target_dir -r $install_list
+    echo 'done' > $pip_install_done_file
+fi
+
+export PYTHONPATH=$kclvm_install_dir/lib/site-packages
+export KCLVM_CLI_BIN_PATH=$kclvm_install_dir/bin
+$python3_bin -m kclvm.tools.format "$@"
diff --git a/internal/kclvm_py/scripts/cli/kcl-lint b/internal/kclvm_py/scripts/cli/kcl-lint
index cdde2eb1f..3660646ef 100755
--- a/internal/kclvm_py/scripts/cli/kcl-lint
+++ b/internal/kclvm_py/scripts/cli/kcl-lint
@@ -1,5 +1,33 @@
 #!/bin/sh
 
-kclvm_path=$(cd `dirname $0`; pwd)/kclvm
-export PATHONPATH=''
-$kclvm_path -m kclvm.tools.lint.lint "$@"
+# Stop on error.
+set -e
+
+# python3 path
+python3_bin=`which python3`
+kclvm_install_dir=$(cd `dirname $0`/..; pwd)
+pip_install_done_file="$kclvm_install_dir/lib/site-packages/kclvm.requirements.done.txt"
+
+# check python3
+if [ -z "$python3_bin" ]; then
+    echo "python3 not found!"
+    exit 1
+fi
+
+# once: pip install
+if [ ! -f $pip_install_done_file ]; then
+    # check python3 version
+    $python3_bin -c "import sys; sys.exit(0) if sys.version_info>=(3,7,3) else (print('please install python 3.7.3+') or sys.exit(1))"
+    # pip install requirements.txt
+    install_list=$kclvm_install_dir/requirements.txt
+    target_dir=$kclvm_install_dir/lib/site-packages
+
+    # kclvm pip install all libs
+    $python3_bin -m pip install --target=$target_dir -r $install_list
+    echo 'done' > $pip_install_done_file
+fi
+
+export PYTHONPATH=$kclvm_install_dir/lib/site-packages
+export KCLVM_CLI_BIN_PATH=$kclvm_install_dir/bin
+$python3_bin -m kclvm.tools.lint "$@"
+
diff --git a/internal/kclvm_py/scripts/cli/kcl-plugin b/internal/kclvm_py/scripts/cli/kcl-plugin
index a6b35c267..b033fb044 100755
--- a/internal/kclvm_py/scripts/cli/kcl-plugin
+++ b/internal/kclvm_py/scripts/cli/kcl-plugin
@@ -1,5 +1,33 @@
 #!/bin/sh
 
-kclvm_path=$(cd `dirname $0`; pwd)/kclvm
-export PATHONPATH=''
-$kclvm_path -m kclvm.tools.plugin "$@"
+# Stop on error.
+set -e
+
+# python3 path
+python3_bin=`which python3`
+kclvm_install_dir=$(cd `dirname $0`/..; pwd)
+pip_install_done_file="$kclvm_install_dir/lib/site-packages/kclvm.requirements.done.txt"
+
+# check python3
+if [ -z "$python3_bin" ]; then
+    echo "python3 not found!"
+    exit 1
+fi
+
+# once: pip install
+if [ ! -f $pip_install_done_file ]; then
+    # check python3 version
+    $python3_bin -c "import sys; sys.exit(0) if sys.version_info>=(3,7,3) else (print('please install python 3.7.3+') or sys.exit(1))"
+    # pip install requirements.txt
+    install_list=$kclvm_install_dir/requirements.txt
+    target_dir=$kclvm_install_dir/lib/site-packages
+
+    # kclvm pip install all libs
+    $python3_bin -m pip install --target=$target_dir -r $install_list
+    echo 'done' > $pip_install_done_file
+fi
+
+export PYTHONPATH=$kclvm_install_dir/lib/site-packages
+export KCLVM_CLI_BIN_PATH=$kclvm_install_dir/bin
+$python3_bin -m kclvm.tools.plugin "$@"
+
diff --git a/internal/kclvm_py/scripts/cli/kcl-test b/internal/kclvm_py/scripts/cli/kcl-test
index 05327dbff..775a91846 100755
--- a/internal/kclvm_py/scripts/cli/kcl-test
+++ b/internal/kclvm_py/scripts/cli/kcl-test
@@ -5,5 +5,5 @@ if [[ ! -f $kcl_go_path ]]; then
   echo "kcl-go not found, please check the installation"
   exit 1
 fi
-export PATHONPATH=''
+export PYTHONPATH=''
 $kcl_go_path test "$@"
diff --git a/internal/kclvm_py/scripts/cli/kcl-vet b/internal/kclvm_py/scripts/cli/kcl-vet
index 723a923f5..43e4bfe22 100755
--- a/internal/kclvm_py/scripts/cli/kcl-vet
+++ b/internal/kclvm_py/scripts/cli/kcl-vet
@@ -1,5 +1,32 @@
 #!/bin/sh
 
-kclvm_path=$(cd `dirname $0`; pwd)/kclvm
-export PATHONPATH=''
-$kclvm_path -m kclvm.tools.validation "$@"
+# Stop on error.
+set -e
+
+# python3 path
+python3_bin=`which python3`
+kclvm_install_dir=$(cd `dirname $0`/..; pwd)
+pip_install_done_file="$kclvm_install_dir/lib/site-packages/kclvm.requirements.done.txt"
+
+# check python3
+if [ -z "$python3_bin" ]; then
+    echo "python3 not found!"
+    exit 1
+fi
+
+# once: pip install
+if [ ! -f $pip_install_done_file ]; then
+    # check python3 version
+    $python3_bin -c "import sys; sys.exit(0) if sys.version_info>=(3,7,3) else (print('please install python 3.7.3+') or sys.exit(1))"
+    # pip install requirements.txt
+    install_list=$kclvm_install_dir/requirements.txt
+    target_dir=$kclvm_install_dir/lib/site-packages
+
+    # kclvm pip install all libs
+    $python3_bin -m pip install --target=$target_dir -r $install_list
+    echo 'done' > $pip_install_done_file
+fi
+
+export PYTHONPATH=$kclvm_install_dir/lib/site-packages
+export KCLVM_CLI_BIN_PATH=$kclvm_install_dir/bin
+$python3_bin -m kclvm.tools.validation "$@"
diff --git a/internal/kclvm_py/scripts/kcllib-install.sh b/internal/kclvm_py/scripts/kcllib-install.sh
index 1b5e74ad5..c1f590633 100755
--- a/internal/kclvm_py/scripts/kcllib-install.sh
+++ b/internal/kclvm_py/scripts/kcllib-install.sh
@@ -1,7 +1,31 @@
 
-# kclvm path
-kclvm=$topdir/_build/dist/$os/kclvm/bin/kclvm
+# Stop on error.
+set -e
+
+# python3 path
+python3_bin=`which python3`
+kclvm_install_dir="$topdir/_build/dist/$os/kclvm"
+pip_install_done_file="$kclvm_install_dir/lib/site-packages/kclvm.requirements.done.txt"
+
+# check python3
+if [ -z "$python3_bin" ]; then
+    echo "python3 not found!"
+    exit 1
+fi
+
+# once: pip install
+if [ -f $pip_install_done_file ]; then
+    exit 0
+fi
+
+# check python3 version
+$python3_bin -c "import sys; sys.exit(0) if sys.version_info>=(3,7,3) else (print('please install python 3.7+') or sys.exit(1))"
+
+# pip install requirements.txt
 install_list=$topdir/internal/kclvm_py/scripts/requirements.txt
+target_dir=$kclvm_install_dir/lib/site-packages
 
 # kclvm pip install all libs
-$kclvm -m pip install -r $install_list 
+$python3_bin -m pip install --target=$target_dir -r $install_list
+echo 'done' > $pip_install_done_file
+
diff --git a/internal/kclvm_py/scripts/release.sh b/internal/kclvm_py/scripts/release.sh
index 2ce7b4e0e..ed601fd4c 100755
--- a/internal/kclvm_py/scripts/release.sh
+++ b/internal/kclvm_py/scripts/release.sh
@@ -4,13 +4,16 @@ kclvm_release_file="kclvm-$os-latest.tar.gz"
 kclvm_release_path="$topdir/_build"
 kclvm_package_dir="$topdir/_build/dist/$os"
 kclvm_install_dir="kclvm"
+pip_install_done_file="$kclvm_install_dir/lib/site-packages/kclvm.requirements.done.txt"
 
 rm $kclvm_release_file
 
-cd $kclvm_package_dir
-if [[ x"$os" == "xDarwin" ]]; then
-    xattr -rc $kclvm_install_dir
+# rm site-packages
+if [ -d "$kclvm_install_dir/lib/site-packages" ]; then
+    rm -rf $kclvm_install_dir/lib/site-packages
 fi
+
+cd $kclvm_package_dir
 tar -czvf $kclvm_release_file $kclvm_install_dir
 
 mv $kclvm_package_dir/$kclvm_release_file $kclvm_release_path/$kclvm_release_file
diff --git a/internal/kclvm_py/scripts/requirements.txt b/internal/kclvm_py/scripts/requirements.txt
index 7327571c3..dd469e0e7 100644
--- a/internal/kclvm_py/scripts/requirements.txt
+++ b/internal/kclvm_py/scripts/requirements.txt
@@ -1,14 +1,10 @@
-wheel==0.34.2
 pyyaml==5.4
 pytest-xdist==2.2.1
 lark-parser==0.11.3
 filelock==3.6.0
 yapf==0.29.0
-pytest==6.2.2
 pypeg2==2.15.2
 protobuf==3.19.5
-gevent==20.9
-grequests
 schema
 coverage
 ruamel.yaml
@@ -21,3 +17,4 @@ gunicorn==20.1.0
 parsy==1.3.0
 wasmer==1.0.0
 wasmer_compiler_cranelift==1.0.0
+pyopenssl==21.0.0
diff --git a/internal/kclvm_py/scripts/test_grammar.sh b/internal/kclvm_py/scripts/test_grammar.sh
index 83db86b3e..5780853a6 100755
--- a/internal/kclvm_py/scripts/test_grammar.sh
+++ b/internal/kclvm_py/scripts/test_grammar.sh
@@ -17,4 +17,6 @@ export PATH=$PATH:$topdir/_build/dist/$os/kclvm/bin
 
 # Grammar test
 cd $kclvm_source_dir/test/grammar
-kclvm -m pytest -v -n 10
+python3 -m pip install --upgrade pip
+python3 -m pip install -r $topdir/internal/kclvm_py/scripts/requirements.txt
+python3 -m pytest -v -n 10
diff --git a/internal/kclvm_py/scripts/update-kclvm.sh b/internal/kclvm_py/scripts/update-kclvm.sh
index bb5f870a3..7b3a4db9c 100755
--- a/internal/kclvm_py/scripts/update-kclvm.sh
+++ b/internal/kclvm_py/scripts/update-kclvm.sh
@@ -4,11 +4,10 @@
 set -e
 
 prepare_dirs () {
-    cpython_build_dir="$topdir/_build/dist/$os/cpython"
-    kclvm_packages_dir="$topdir/_build/packages"
     kclvm_install_dir="$topdir/_build/dist/$os/kclvm"
-    mkdir -p "$kclvm_install_dir"
-    mkdir -p "$kclvm_packages_dir"
+    mkdir -p "$kclvm_install_dir/bin"
+    mkdir -p "$kclvm_install_dir/lib/site-packages"
+    mkdir -p "$kclvm_install_dir/include"
 }
 
 prepare_dirs
@@ -18,6 +17,7 @@ kclvm_source_dir="$topdir/internal"
 set -x
 
 # Copy KCLVM.
+cp "$topdir/internal/kclvm_py/scripts/requirements.txt" $kclvm_install_dir/
 cp "$topdir/internal/kclvm_py/scripts/cli/kcl" $kclvm_install_dir/bin/
 cp "$topdir/internal/kclvm_py/scripts/cli/kcl-plugin" $kclvm_install_dir/bin/
 cp "$topdir/internal/kclvm_py/scripts/cli/kcl-doc" $kclvm_install_dir/bin/
@@ -33,15 +33,11 @@ chmod +x $kclvm_install_dir/bin/kcl-lint
 chmod +x $kclvm_install_dir/bin/kcl-fmt
 chmod +x $kclvm_install_dir/bin/kcl-vet
 
-kclvm_lib_dir=$kclvm_install_dir/lib/python3.7/
-if [ -d $kclvm_install_dir/lib/python3.9/ ]; then
-    kclvm_lib_dir=$kclvm_install_dir/lib/python3.9/
+if [ -d $kclvm_install_dir/lib/site-packages/kclvm ]; then
+   rm -rf $kclvm_install_dir/lib/site-packages/kclvm
 fi
-
-if [ -d $kclvm_lib_dir/kclvm ]; then
-   rm -rf $kclvm_lib_dir/kclvm
-fi
-cp -r $kclvm_source_dir/kclvm_py $kclvm_lib_dir/kclvm
+cp -r $kclvm_source_dir/kclvm_py $kclvm_install_dir/lib/site-packages
+mv $kclvm_install_dir/lib/site-packages/kclvm_py $kclvm_install_dir/lib/site-packages/kclvm
 
 set +x
 
@@ -56,6 +52,8 @@ cp ./target/release/kclvm_cli $kclvm_install_dir/bin/kclvm_cli
 
 # libkclvm_cli
 
+# TODO: move to kclvm/build.rs
+
 # Darwin dylib
 if [ -e $topdir/kclvm/target/release/libkclvm_cli_cdylib.dylib ]; then
     touch $kclvm_install_dir/bin/libkclvm_cli_cdylib.dylib
@@ -96,63 +94,32 @@ cargo build --release
 cp $topdir/kclvm/target/release/libkclvm.a                        $kclvm_install_dir/lib/libkclvm_native.a
 
 # Darwin dylib
-if [ -e $topdir/kclvm/target/release/libkclvm.dylib ]; then
+if [ -e target/release/libkclvm.dylib ]; then
     touch $kclvm_install_dir/lib/libkclvm.dylib
     rm $kclvm_install_dir/lib/libkclvm.dylib
-    cp $topdir/kclvm/target/release/libkclvm.dylib $kclvm_install_dir/lib/
-    cp $topdir/kclvm/target/release/libkclvm.dylib $kclvm_install_dir/lib/libkclvm_native_shared.dylib
+    cp target/release/libkclvm.dylib $kclvm_install_dir/lib/
+    cp target/release/libkclvm.dylib $kclvm_install_dir/lib/libkclvm_native_shared.dylib
 fi
 # Linux so
-if [ -e $topdir/kclvm/target/release/libkclvm.so ]; then
+if [ -e target/release/libkclvm.so ]; then
     touch $kclvm_install_dir/lib/libkclvm.so
     rm $kclvm_install_dir/lib/libkclvm.so
-    cp $topdir/kclvm/target/release/libkclvm.so $kclvm_install_dir/lib/
-    cp $topdir/kclvm/target/release/libkclvm.so $kclvm_install_dir/lib/libkclvm_native_shared.so
+    cp target/release/libkclvm.so $kclvm_install_dir/lib/
+    cp target/release/libkclvm.so $kclvm_install_dir/lib/libkclvm_native_shared.so
 fi
 # Windows dll
-if [ -e $topdir/kclvm/target/release/libkclvm.dll ]; then
+if [ -e target/release/libkclvm.dll ]; then
     touch $kclvm_install_dir/lib/libkclvm.dll
     rm $kclvm_install_dir/lib/libkclvm.dll
-    cp $topdir/kclvm/target/release/libkclvm.dll $kclvm_install_dir/lib/
-    cp $topdir/kclvm/target/release/libkclvm.dll $kclvm_install_dir/lib/libkclvm_native_shared.dll
-fi
-
-
-# WASM
-rustup target add wasm32-unknown-unknown
-cargo build --release --target wasm32-unknown-unknown
-cp $topdir/kclvm/target/wasm32-unknown-unknown/release/libkclvm.a $kclvm_install_dir/lib/libkclvm_wasm32.a
-cp src/_kclvm_undefined_wasm.txt $kclvm_install_dir/lib/_kclvm_undefined_wasm.txt
-
-cd $topdir/kclvm/capi
-## Native
-cargo build --release
-
-# Darwin dylib
-if [ -e $topdir/kclvm/target/release/libkclvm_capi.dylib ]; then
-    touch $kclvm_install_dir/lib/libkclvm_capi.dylib
-    rm $kclvm_install_dir/lib/libkclvm_capi.dylib
-    cp $topdir/kclvm/target/release/libkclvm_capi.dylib $kclvm_install_dir/lib/
-    cp $topdir/kclvm/target/release/libkclvm_capi.dylib $kclvm_install_dir/lib/libkclvm_capi.dylib
-fi
-# Linux so
-if [ -e $topdir/kclvm/target/release/libkclvm_capi.so ]; then
-    touch $kclvm_install_dir/lib/libkclvm_capi.so
-    rm $kclvm_install_dir/lib/libkclvm_capi.so
-    cp $topdir/kclvm/target/release/libkclvm_capi.so $kclvm_install_dir/lib/
-    cp $topdir/kclvm/target/release/libkclvm_capi.so $kclvm_install_dir/lib/libkclvm_capi.so
-fi
-# Windows dll
-if [ -e $topdir/kclvm/target/release/libkclvm_capi.dll ]; then
-    touch $kclvm_install_dir/lib/libkclvm_capi.dll
-    rm $kclvm_install_dir/lib/libkclvm_capi.dll
-    cp $topdir/kclvm/target/release/libkclvm_capi.dll $kclvm_install_dir/lib/
-    cp $topdir/kclvm/target/release/libkclvm_capi.dll $kclvm_install_dir/lib/libkclvm_capi.dll
+    cp target/release/libkclvm.dll $kclvm_install_dir/lib/
+    cp target/release/libkclvm.dll $kclvm_install_dir/lib/libkclvm_native_shared.dll
 fi
 
+# TODO: WASM
+# cargo build --release --target wasm32-unknown-unknown
+# cp $topdir/kclvm/target/wasm32-unknown-unknown/release/libkclvm.a $kclvm_install_dir/lib/libkclvm_wasm32.a
+# cp src/_kclvm_undefined_wasm.txt $kclvm_install_dir/lib/_kclvm_undefined_wasm.txt
 
-# Copy LLVM runtime and header
-cd $topdir/kclvm/runtime
 cp src/_kclvm.bc $kclvm_install_dir/include/_kclvm.bc
 cp src/_kclvm.h  $kclvm_install_dir/include/_kclvm.h
 
@@ -161,7 +128,7 @@ cd $kclvm_install_dir/include
 # build kclvm_plugin python module
 
 cd $topdir/kclvm/plugin
-kclvm setup.py install_lib
+python3 setup.py install_lib --install-dir=$kclvm_install_dir/lib/site-packages
 
 # Print the summary.
 echo "================ Summary ================"
diff --git a/kclvm/runner/src/command.rs b/kclvm/runner/src/command.rs
index 64315c7be..d357fcc26 100644
--- a/kclvm/runner/src/command.rs
+++ b/kclvm/runner/src/command.rs
@@ -115,9 +115,9 @@ impl Command {
     /// Get the kclvm executable root.
     fn get_executable_root() -> String {
         let kclvm_exe = if Self::is_windows() {
-            "kclvm.exe"
+            "kclvm_cli.exe"
         } else {
-            "kclvm"
+            "kclvm_cli"
         };
         let p = if let Some(x) = Self::find_it(kclvm_exe) {
             x
diff --git a/kclvm/version/src/lib.rs b/kclvm/version/src/lib.rs
index e9c4e326a..cb5e87336 100644
--- a/kclvm/version/src/lib.rs
+++ b/kclvm/version/src/lib.rs
@@ -1,7 +1,7 @@
 // Copyright 2021 The KCL Authors. All rights reserved.
 
 pub const VERSION: &str = "0.4.4";
-pub const CHECK_SUM: &str = "9e3303edaba484df6004620bf7b28b98";
+pub const CHECK_SUM: &str = "c5339e572207211e46477825e8aca903";
 
 pub fn get_full_version() -> String {
     format!("{}-{}", VERSION, CHECK_SUM)
diff --git a/scripts/build-windows/requirements.release.txt b/scripts/build-windows/requirements.release.txt
index 1214f4544..dd469e0e7 100644
--- a/scripts/build-windows/requirements.release.txt
+++ b/scripts/build-windows/requirements.release.txt
@@ -1,13 +1,10 @@
-wheel==0.34.2
 pyyaml==5.4
 pytest-xdist==2.2.1
 lark-parser==0.11.3
 filelock==3.6.0
 yapf==0.29.0
-pytest==6.2.2
 pypeg2==2.15.2
 protobuf==3.19.5
-grequests
 schema
 coverage
 ruamel.yaml
@@ -20,3 +17,4 @@ gunicorn==20.1.0
 parsy==1.3.0
 wasmer==1.0.0
 wasmer_compiler_cranelift==1.0.0
+pyopenssl==21.0.0