diff --git a/.gitignore b/.gitignore
index 00d10cb2a657ca4fafb24476d0538db47dccd2c0..ec6ba5b77012672e72bbff2b6cfdb633d30b8e1b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,3 +6,4 @@ scripts/kconfiglib/kconfiglib.pyc
 src/platform/Kconfig
 src/include/nx_configure.h
 platform.mk
+.idea/
\ No newline at end of file
diff --git a/envsetup.py b/envsetup.py
new file mode 100644
index 0000000000000000000000000000000000000000..64298b87a50d742e96b58437bd5d116a9fecc8f2
--- /dev/null
+++ b/envsetup.py
@@ -0,0 +1,101 @@
+##
+# Copyright (c) 2018-2022, BookOS Development Team
+# SPDX-License-Identifier: Apache-2.0
+#
+# Contains: python scripts for setting up nxos build environment
+#
+# Change Logs:
+# Date           Author            Notes
+# 2022-1-26      Jvlong            Init
+# 2022-1-27      Jvlong            Fix up
+##
+
+# usage:
+# python3 envsetup.py [arch-platform]
+# example: python3 envsetup.py                       # x86-i386
+# example: python3 envsetup.py riscv64-qemu_riscv64  # riscv64-qemu_riscv64
+
+# import libs
+import os
+import shutil
+import sys
+
+# cross-platform functions
+platform = sys.platform
+
+
+def export(name, value):
+    if platform == "win32":
+        os.system(rf"setx {name} {value}")
+    elif platform == "linux":
+        os.system(rf"export {name}={value}")
+    elif platform == "darwin":
+        os.system(rf"export {name}={value}")
+
+
+def add_into_path(thing_you_want_to_add):
+    if platform == "win32":
+        os.system(rf'setx PATH "%PATH%;{thing_you_want_to_add}"')
+    elif platform == "linux":
+        os.system(rf"export PATH={thing_you_want_to_add}:$PATH")
+    elif platform == "darwin":
+        os.system(rf"export PATH={thing_you_want_to_add}:$PATH")
+
+
+working_dir = os.getcwd()
+
+# supported target list
+supported_target = ["x86-i386", "riscv64-qemu_riscv64"]
+
+def_target = "unknown"
+
+if __name__ == '__main__':
+    try:
+        for target in supported_target:
+            if target == sys.argv[1]:
+                def_target = target
+    except IndexError:
+        print("Set default target as x86-i386")
+        def_target = "x86-i386"  # default target is x86-i386
+
+print("Set environment for NXOS.")
+NXOS_NAME = "NXOS"
+NXOS_ROOT_DIR = working_dir
+
+if platform == "win32":
+    NXOS_SRC_DIR = rf"{NXOS_ROOT_DIR}\src"
+elif platform == "linux":
+    NXOS_SRC_DIR = rf"{NXOS_ROOT_DIR}/src"
+elif platform == "darwin":
+    NXOS_SRC_DIR = rf"{NXOS_ROOT_DIR}/src"
+
+export("NXOS_NAME", NXOS_NAME)
+export("NXOS_ROOT_DIR", NXOS_ROOT_DIR)
+export("NXOS_SRC_DIR", NXOS_SRC_DIR)
+
+if def_target == "x86-i386":
+    if platform == "win32":
+        NXOS_EXEC_PATH = rf"{working_dir}\tools\gcc\x86_64-elf-gcc\bin"
+    elif platform == "linux":
+        NXOS_EXEC_PATH = rf"{working_dir}/tools/gcc/x86_64-elf-gcc/bin"
+    elif platform == "darwin":
+        NXOS_EXEC_PATH = rf"{working_dir}/tools/gcc/x86_64-elf-gcc/bin"
+elif def_target == "riscv64-qemu_riscv64":
+    if platform == "win32":
+        NXOS_EXEC_PATH = rf"{working_dir}\tools\gcc\riscv64-unknown-elf-gcc\bin"
+    elif platform == "linux":
+        NXOS_EXEC_PATH = rf"{working_dir}/tools/gcc/riscv64-unknown-elf-gcc/bin"
+    elif platform == "darwin":
+        NXOS_EXEC_PATH = rf"{working_dir}/tools/gcc/riscv64-unknown-elf-gcc/bin"
+
+else:
+    print(rf"unknown target: {def_target}")
+
+add_into_path(NXOS_EXEC_PATH)
+
+print(rf"[ROOT DIR ] {NXOS_ROOT_DIR}")
+print(rf"[SRC DIR  ] {NXOS_SRC_DIR}")
+print(rf"[EXEC PATH] {NXOS_EXEC_PATH}")
+print(rf"[PLATFORM ] {def_target}")
+
+shutil.copy(rf"configs/platform-{def_target}.mk", "platform.mk")
diff --git a/nxos.bat b/nxos.bat
deleted file mode 100644
index 4e18cc71223bd989be7e21635d47fa2b953d167a..0000000000000000000000000000000000000000
--- a/nxos.bat
+++ /dev/null
@@ -1,49 +0,0 @@
-::
-:: Copyright (c) 2018-2022, BookOS Development Team
-:: SPDX-License-Identifier: Apache-2.0
-:: 
-:: Contains: windows bat scripts for nxos environment
-:: 
-:: Change Logs:
-:: Date           Author            Notes
-:: 2022-1-24      JasonHu           Init
-::
-
-:: usage:
-:: nxos.bat [arch-platform]
-:: example: nxos.bat                       # x86-i386
-:: example: nxos.bat riscv64-qemu_riscv64  # riscv64-qemu_riscv64%
-
-@echo off
-
-set def_target=%1
-
-if "%def_target%" == "" (
-    :: set default targe as x86-i386
-    set def_target=x86-i386
-)
-
-echo Set environment for NXOS.
-set NXOS_NAME=NXOS
-set NXOS_ROOT_DIR=%cd%
-set NXOS_SRC_DIR=%cd%/src
-
-if "%def_target%" == "x86-i386" (
-    set NXOS_EXEC_PATH=%NXOS_ROOT_DIR%\tools\gcc\x86_64-elf-gcc\bin
-) else if "%def_target%" == "riscv64-qemu_riscv64" (
-    set NXOS_EXEC_PATH=%NXOS_ROOT_DIR%\tools\gcc\riscv-none-embed-gcc\bin
-) else (
-    echo unknown target! %def_target%
-    goto end
-)
-
-set PATH=%NXOS_EXEC_PATH%;%PATH%;
-
-echo [ROOT DIR ] %NXOS_ROOT_DIR%
-echo [SRC DIR  ] %NXOS_SRC_DIR%
-echo [EXEC PATH] %NXOS_EXEC_PATH%
-cp configs/platform-%def_target%.mk platform.mk
-echo [PLAFORM  ] %def_target%
-
-:end
-@echo on
diff --git a/nxos.sh b/nxos.sh
deleted file mode 100644
index ec70fa74f3f048718faa13635efad668c96484ea..0000000000000000000000000000000000000000
--- a/nxos.sh
+++ /dev/null
@@ -1,63 +0,0 @@
-#!/bin/bash
-
-##
-# Copyright (c) 2018-2022, BookOS Development Team
-# SPDX-License-Identifier: Apache-2.0
-# 
-# Contains: shell scripts for nxos environment
-# 
-# Change Logs:
-# Date           Author            Notes
-# 2022-1-24      JasonHu           Init
-##
-
-# usage:
-# source nxos.sh [arch-platform]
-# example: source nxos.sh                       # x86-i386
-# example: source nxos.sh riscv64-qemu_riscv64  # riscv64-qemu_riscv64
-
-# supported targe list
-supported_target="x86-i386 riscv64-qemu_riscv64"
-
-def_target="unknown" 
-
-# find target in target list
-if [ -z $1 ]
-then
-    def_target="x86-i386" # default target is x86-i386
-else
-    for target in $supported_target
-    do
-        if [ $target = $1 ]
-        then
-            def_target=$target
-            break
-        fi
-    done
-fi
-
-echo "Set environment for NXOS."
-export NXOS_NAME="NXOS"
-export NXOS_ROOT_DIR=$(pwd)
-export NXOS_SRC_DIR=$NXOS_ROOT_DIR/src
-
-# set env
-case $def_target in 
-    "x86-i386")
-        export NXOS_EXEC_PATH=$NXOS_ROOT_DIR/tools/gcc/x86_64-elf-gcc/bin
-        ;;
-    "riscv64-qemu_riscv64")
-        export NXOS_EXEC_PATH=$NXOS_ROOT_DIR/tools/gcc/riscv64-unknown-elf-gcc/bin
-        ;;
-    *)  echo "unknown target! " $def_target
-        return 1
-esac
-
-# export NXOS_EXEC_PATH
-export PATH=$NXOS_EXEC_PATH:$PATH
-
-echo "[ROOT DIR ]" $NXOS_ROOT_DIR
-echo "[SRC DIR  ]" $NXOS_SRC_DIR
-echo "[EXEC PATH]" $NXOS_EXEC_PATH
-cp configs/platform-$def_target.mk platform.mk
-echo "[PLAFORM  ]" $def_target
\ No newline at end of file