diff --git a/libnpk/CMakeLists.txt b/libnpk/CMakeLists.txt
index 6336b33..78320fd 100644
--- a/libnpk/CMakeLists.txt
+++ b/libnpk/CMakeLists.txt
@@ -11,6 +11,8 @@ set(LIBNPK_SOURCE_FILES
 	./source/libNPK_Utils.cpp
 	./source/libNPK_FileStream.h
 	./source/libNPK_FileStream.cpp
+	./source/libNPK_FileList.h
+	./source/libNPK_FileList.cpp
 )
 
 add_library(libNPK STATIC
diff --git a/libnpk/libNPK.h b/libnpk/libNPK.h
index 43c73c9..a79eb33 100644
--- a/libnpk/libNPK.h
+++ b/libnpk/libNPK.h
@@ -1,5 +1,8 @@
 #pragma once
 
+#include <stdint.h>
+#include <string>
+
 namespace NPK
 {
 
@@ -8,6 +11,7 @@ namespace NPK
 //------------------------------------
 class INPKFile;
 class IFileStream;
+class IFileList;
 
 //------------------------------------
 // NPK file error codes
@@ -24,6 +28,7 @@ enum ErrorCode
 	NPK_ERR_FILE_WRITE,
 	NPK_ERR_PARAM,
 	NPK_ERR_INVALID_STATE,
+	NPK_ERR_NEW_FAILED,
 
 	//Other errors
 	NPK_ERR_UNKNOWN
@@ -39,6 +44,12 @@ INPKFile* createNPKFile();
 // destroy an NPK interface
 void closeNPKFile(INPKFile* npkFile);
 
+// Create empty file list
+IFileList* createEmptyFileList();
+
+// destroy a file list
+void destoryFileList(IFileList* fileList);
+
 // Get the last error code
 ErrorCode getLastErrorCode();
 
@@ -48,27 +59,33 @@ const char* getLastErrorMessage();
 //------------------------------------
 // define the NPK file interface
 //------------------------------------
+struct FileItemBaseInfo
+{
+	std::string keyName;		// utf8 'common/etc/tribe.img' 
+	uint32_t fileOffset = 0;
+	uint32_t fileSize = 0;
+};
+
+struct FileItemFullInfo
+{
+	std::string npkName;		// utf8 'sprite_interface2_hud.npk'
+	std::string npkBase;		// utf8 'd:/dnf/ImagePacks2'
+	std::string keyName;		// 'common/etc/tribe.img'
+	uint32_t fileOffset = 0;
+	uint32_t fileSize = 0;
+	uint32_t fileCRC = 0;
+};
+
 class INPKFile
 {
 public:
-	struct FileNode
-	{
-		std::string fileName;
-		uint32_t fileOffset = 0;
-		uint32_t fileSize = 0;
-	};
-public:
-	virtual bool openPakFile(const char* szPackFileName) = 0;
-
+	virtual bool openPakFile(const wchar_t* wszNpkPathName) = 0;
 	virtual bool closePakFile(void) = 0;
-
-	virtual int32_t getFileCount(void) const = 0;
-
-	virtual bool getFileNode(int32_t index, FileNode& fileNode) const = 0;
-
+	virtual int32_t getFileCounts(void) const = 0;
+	virtual bool getFileItemBaseInfo(int32_t index, FileItemBaseInfo* baseInfo) const = 0;
 	virtual IFileStream* openFileStream(const char* szFileName) = 0;
-
 	virtual void closeFileStream(IFileStream* fileStream) = 0;
+	virtual IFileList* generateFullInfoList(void) = 0;
 };
 
 class IFileStream
@@ -83,4 +100,13 @@ public:
 	virtual bool isEOF(void) const = 0;
 };
 
+class IFileList
+{
+public:
+	virtual int32_t getFileCounts(void) const = 0;
+	virtual bool getFileItem(int32_t index, FileItemFullInfo* fileItemFullInfo) const = 0;
+	virtual void addFileNode(const FileItemFullInfo& fileItemFullInfo) = 0;
+	virtual void mergeOtherListInto(const IFileList* sourceFileList) = 0;
+};
+
 }
diff --git a/libnpk/libNPK_Utils.h b/libnpk/libNPK_Utils.h
index ea258a4..59f5a2b 100644
--- a/libnpk/libNPK_Utils.h
+++ b/libnpk/libNPK_Utils.h
@@ -14,6 +14,12 @@ int compareTwoFileName(const char* szFileName1, const char* szFileName2);
 // Convert a standard ANSI string to a wide string (UTF-16)
 std::wstring convertAnsiStringToWide(const char* szSource);
 
+// Convert a wide string(UTF-16) to utf8 string
+std::string convertWideStringToUtf8(const wchar_t* source);
+
+// Convert a utf8 string to wide string(UTF-16)
+std::wstring convertUtf8StringToWide(const char* szSource);
+
 // Read a file into a buffer and return the buffer pointer.
 uint8_t* readFileToBuffer(const char* filename, int64_t& outSize);
 
diff --git a/libnpk/source/libNPK_FileList.cpp b/libnpk/source/libNPK_FileList.cpp
new file mode 100644
index 0000000..12bdfff
--- /dev/null
+++ b/libnpk/source/libNPK_FileList.cpp
@@ -0,0 +1,43 @@
+#include "libNPK_FileList.h"
+
+namespace NPK
+{
+
+
+int32_t NPKFileList::getFileCounts(void) const
+{
+	return (int32_t)m_fileList.size();
+}
+
+bool NPKFileList::getFileItem(int32_t index, FileItemFullInfo* fullInfo) const
+{
+	if(index< 0 || index >= getFileCounts())
+	{
+		return false;
+	}
+	*fullInfo = m_fileList[index];
+	return true;
+}
+
+void NPKFileList::addFileNode(const FileItemFullInfo& fullInfo)
+{
+	//TODO: check duplicate file name?
+	m_fileList.push_back(fullInfo);
+}
+
+void NPKFileList::mergeOtherListInto(const IFileList* source)
+{
+
+}
+
+IFileList* createEmptyFileList()
+{
+	return new NPKFileList();
+}
+
+// destroy a file list
+void destoryFileList(IFileList* fileList)
+{
+	delete ((NPKFileList*)fileList);
+}
+}
diff --git a/libnpk/source/libNPK_FileList.h b/libnpk/source/libNPK_FileList.h
new file mode 100644
index 0000000..543c645
--- /dev/null
+++ b/libnpk/source/libNPK_FileList.h
@@ -0,0 +1,20 @@
+#pragma once
+
+#include "libNPK.h"
+#include <vector>
+
+namespace NPK
+{
+class NPKFileList : public IFileList
+{
+public:
+	virtual int32_t getFileCounts(void) const override;
+	virtual bool getFileItem(int32_t index, FileItemFullInfo* fullInfo) const override;
+	virtual void addFileNode(const FileItemFullInfo& fullInfo) override;
+	virtual void mergeOtherListInto(const IFileList* sourceFileList) override;
+
+private:
+	std::vector<FileItemFullInfo> m_fileList;
+};
+
+}
diff --git a/libnpk/source/libNPK_FileStream.cpp b/libnpk/source/libNPK_FileStream.cpp
index 7f4c5d9..c2bd747 100644
--- a/libnpk/source/libNPK_FileStream.cpp
+++ b/libnpk/source/libNPK_FileStream.cpp
@@ -7,12 +7,12 @@
 namespace NPK
 {
 
-CFileStream::CFileStream(CNPKFile* pNPKFile, HANDLE hFile, const INPKFile::FileNode& fileNode)
+CFileStream::CFileStream(CNPKFile* pNPKFile, HANDLE hFile, const FileItemBaseInfo& baseFileInfo)
 	: m_pNPKFile(pNPKFile)
 	, m_hFileandle(hFile)
-	, m_fileName(fileNode.fileName)
-	, m_fileOffset(fileNode.fileOffset)
-	, m_fileSize(fileNode.fileSize)
+	, m_fileName(baseFileInfo.keyName)
+	, m_fileOffset(baseFileInfo.fileOffset)
+	, m_fileSize(baseFileInfo.fileSize)
 	, m_currentOffset(0)
 {
 
diff --git a/libnpk/source/libNPK_FileStream.h b/libnpk/source/libNPK_FileStream.h
index f4c97ea..26c3035 100644
--- a/libnpk/source/libNPK_FileStream.h
+++ b/libnpk/source/libNPK_FileStream.h
@@ -49,7 +49,7 @@ protected:
 	bool m_crc32Calculated = false;
 
 private:
-	CFileStream(CNPKFile* pNPKFile, HANDLE hFile, const INPKFile::FileNode& fileNode);
+	CFileStream(CNPKFile* pNPKFile, HANDLE hFile, const FileItemBaseInfo& baseFileInfo);
 	virtual ~CFileStream();
 
 	friend IFileStream* CNPKFile::openFileStream(const char* szFileName);
diff --git a/libnpk/source/libNPK_NPKFile.cpp b/libnpk/source/libNPK_NPKFile.cpp
index 5fa5456..94558e0 100644
--- a/libnpk/source/libNPK_NPKFile.cpp
+++ b/libnpk/source/libNPK_NPKFile.cpp
@@ -3,6 +3,7 @@
 #include "libNPK_Errors.h"
 #include "libEncrypt_SHA256.h"
 #include "libNPK_FileStream.h"
+#include "libNPK_Utils.h"
 
 #include <assert.h>
 
@@ -20,13 +21,20 @@ CNPKFile::CNPKFile()
 
 CNPKFile::~CNPKFile()
 {
-
+	if (m_hPakFile != NULL)
+	{
+		::CloseHandle(m_hPakFile);
+		m_hPakFile = NULL;
+	}
+	m_nFileCounts = 0;
+	m_fileList.clear();
+	m_hashFileList.clear();
 }
 
-bool CNPKFile::openPakFile(const char* szPackFileName)
+bool CNPKFile::openPakFile(const wchar_t* wszNpkPathName)
 {
-	assert(szPackFileName);
-	if (!szPackFileName || szPackFileName[0] == 0)
+	assert(wszNpkPathName);
+	if (!wszNpkPathName || wszNpkPathName[0] == 0)
 	{
 		setLastError(NPK_ERR_PARAM);
 		return false;
@@ -35,10 +43,15 @@ bool CNPKFile::openPakFile(const char* szPackFileName)
 	//close current pak file if it is open
 	closePakFile();
 
-	m_strPackFileName = szPackFileName;
+	wchar_t wszNpkBaseName[1024] = { 0 };
+	StringCchCopyW(wszNpkBaseName, 1024, wszNpkPathName);
+	PathRemoveFileSpecW(wszNpkBaseName);
+
+	m_strPackBaseName = convertWideStringToUtf8(wszNpkBaseName);
+	m_strPackFileName = convertWideStringToUtf8(::PathFindFileNameW(wszNpkPathName));
 
 	//open the pak file
-	m_hPakFile = ::CreateFile(szPackFileName,
+	m_hPakFile = ::CreateFileW(wszNpkPathName,
 		GENERIC_READ,
 		FILE_SHARE_READ | FILE_SHARE_WRITE,
 		0,
@@ -48,7 +61,8 @@ bool CNPKFile::openPakFile(const char* szPackFileName)
 
 	if (m_hPakFile == INVALID_HANDLE_VALUE)
 	{
-		setLastError(NPK_ERR_FILE_ACCESS, "File=%s, WinErr=%d", szPackFileName, ::GetLastError());
+		setLastError(NPK_ERR_FILE_ACCESS, "File=%s, WinErr=%d", 
+			convertWideStringToUtf8(wszNpkPathName).c_str(), ::GetLastError());
 		return false;
 	}
 
@@ -67,7 +81,8 @@ bool CNPKFile::openPakFile(const char* szPackFileName)
 	//Check NPK Magic Header
 	if(memcmp(fileHeader.szFileHeadMagic, kNPKFileHeaderMagic, kNPKFileHeaderMagicSize) != 0)
 	{
-		setLastError(NPK_ERR_INVALID_FILE_FORMAT, "File=%s, Magic=%s", szPackFileName, fileHeader.szFileHeadMagic);
+		setLastError(NPK_ERR_INVALID_FILE_FORMAT, "File=%s, Magic=%s", 
+			convertWideStringToUtf8(wszNpkPathName).c_str(), fileHeader.szFileHeadMagic);
 		return false;
 	}
 
@@ -94,7 +109,7 @@ bool CNPKFile::openPakFile(const char* szPackFileName)
 			fileInfo.szFileName[j] ^= kNPKFileNameXorCode[j];
 		}
 
-		m_fileList[i].fileName = fileInfo.szFileName;
+		m_fileList[i].keyName = fileInfo.szFileName;
 		m_fileList[i].fileOffset = fileInfo.fileOffset;
 		m_fileList[i].fileSize = fileInfo.fileSize;
 	}
@@ -177,8 +192,8 @@ void CNPKFile::buildHashFileList()
 	m_hashFileList.clear();
 	for (int32_t i = 0; i < m_nFileCounts; i++)
 	{
-		const FileNode& fileNode = m_fileList[i];
-		m_hashFileList[fileNode.fileName] = i;
+		const FileItemBaseInfo& baseInfo = m_fileList[i];
+		m_hashFileList[baseInfo.keyName] = i;
 	}
 }
 
@@ -194,13 +209,13 @@ bool CNPKFile::closePakFile(void)
 	return true;
 }
 
-bool CNPKFile::getFileNode(int32_t index, INPKFile::FileNode& fileNode) const
+bool CNPKFile::getFileItemBaseInfo(int32_t index, FileItemBaseInfo* baseInfo) const
 {
-	if (index < 0 || index >= getFileCount())
+	if (index < 0 || index >= getFileCounts())
 	{
 		return false;
 	}
-	fileNode = m_fileList[index];
+	*baseInfo = m_fileList[index];
 	return true;
 }
 
@@ -231,13 +246,13 @@ IFileStream* CNPKFile::openFileStream(const char* szFileName)
 		fileIndex = it->second;
 	}
 
-	if (fileIndex < 0 || fileIndex >= getFileCount())
+	if (fileIndex < 0 || fileIndex >= getFileCounts())
 	{
 		setLastError(NPK_ERR_FILE_NOT_FOUND, "File=%s, FileIndex=%d, not found in NPK file", szFileName, fileIndex);
 		return nullptr;
 	}
 
-	FileNode& fileNode = m_fileList[fileIndex];
+	FileItemBaseInfo& fileNode = m_fileList[fileIndex];
 	CFileStream* pFileStream = new CFileStream(this, m_hPakFile, fileNode);
 
 	return pFileStream;
@@ -251,6 +266,47 @@ void CNPKFile::closeFileStream(IFileStream* fileStream)
 	}
 }
 
+IFileList* CNPKFile::generateFullInfoList(void)
+{
+	if (m_hPakFile == NULL)
+	{
+		setLastError(NPK_ERR_INVALID_STATE, "NPK file is not opened");
+		return nullptr;
+	}
+	IFileList* pFileList = createEmptyFileList();
+	if (!pFileList)
+	{
+		setLastError(NPK_ERR_NEW_FAILED, "Failed to create empty file list");
+		return nullptr;
+	}
+
+	for (int32_t i = 0; i < m_nFileCounts; i++)
+	{
+		const FileItemBaseInfo& baseInfo = m_fileList[i];
+
+		FileItemFullInfo fullInfo;
+		fullInfo.keyName = baseInfo.keyName;
+		fullInfo.npkName = m_strPackFileName;
+		fullInfo.npkBase = m_strPackBaseName;
+		fullInfo.fileSize = baseInfo.fileSize;
+		fullInfo.fileOffset = baseInfo.fileOffset;
+
+		IFileStream* pFileStream = openFileStream(baseInfo.keyName.c_str());
+		if (pFileStream)
+		{
+			fullInfo.fileCRC = pFileStream->crc32();
+			closeFileStream(pFileStream);
+			pFileStream = nullptr;
+		}
+		else
+		{
+			fullInfo.fileCRC = 0;
+		}
+		pFileList->addFileNode(fullInfo); // Add file item to the list
+	}
+	return pFileList;
+}
+
 INPKFile* createNPKFile()
 {
 	return new CNPKFile();
diff --git a/libnpk/source/libNPK_NPKFile.h b/libnpk/source/libNPK_NPKFile.h
index b4b108f..8f52147 100644
--- a/libnpk/source/libNPK_NPKFile.h
+++ b/libnpk/source/libNPK_NPKFile.h
@@ -28,30 +28,33 @@ public:
 	} FileInfo;
 
 public:
-	virtual bool openPakFile(const char* szPackFileName) override;
+	virtual bool openPakFile(const wchar_t* wszNpkPathName) override;
 
 	virtual bool closePakFile(void) override;
 
-	virtual int32_t getFileCount(void) const override { 
+	virtual int32_t getFileCounts(void) const override { 
 		return m_nFileCounts; 
 	}
 
-	virtual bool getFileNode(int32_t index, FileNode& fileNode) const override;
+	virtual bool getFileItemBaseInfo(int32_t index, FileItemBaseInfo* baseInfo) const override;
 
 	virtual IFileStream* openFileStream(const char* szFileName) override;
 
 	virtual void closeFileStream(IFileStream* fileStream) override;
 
+	virtual IFileList* generateFullInfoList(void);
+
 private:
 	bool checkPakFileHash(void);
 	void buildHashFileList(void);
 
 private:
-	std::string m_strPackFileName;
+	std::string m_strPackBaseName;	//utf8
+	std::string m_strPackFileName;	//utf8
 	HANDLE m_hPakFile = NULL;
 	int32_t m_nFileCounts = 0;
 
-	typedef std::vector<FileNode> FileList;
+	typedef std::vector<FileItemBaseInfo> FileList;
 	FileList m_fileList;
 
 	typedef std::unordered_map<std::string, int32_t> FileHashList;
diff --git a/libnpk/source/libNPK_Utils.cpp b/libnpk/source/libNPK_Utils.cpp
index 015a827..b9499e2 100644
--- a/libnpk/source/libNPK_Utils.cpp
+++ b/libnpk/source/libNPK_Utils.cpp
@@ -109,6 +109,52 @@ std::wstring convertAnsiStringToWide(const char* szSource)
 	return strReturn;
 }
 
+std::string convertWideStringToUtf8(const wchar_t* source)
+{
+	const static int DEFAULT_CHAR_BUF_SIZE = 1024;
+	char DEFAULT_CHAR_BUF[DEFAULT_CHAR_BUF_SIZE] = { 0 };
+
+	if(source==nullptr || source[0]==L'\0')
+		return std::string();
+
+	int targetLen = WideCharToMultiByte(CP_UTF8, 0, source, -1, nullptr, 0, nullptr, nullptr);
+	if (targetLen == 0)
+		return std::string();
+
+	char* szTemp = 0;
+
+	if (targetLen >= DEFAULT_CHAR_BUF_SIZE)
+		szTemp = new char[targetLen];
+	else
+		szTemp = DEFAULT_CHAR_BUF;
+
+	WideCharToMultiByte(CP_UTF8, 0, source, -1, szTemp, targetLen, nullptr, nullptr);
+
+	return std::string(szTemp);
+}
+
+std::wstring convertUtf8StringToWide(const char* source)
+{
+	const static int DEFAULT_WCHAR_BUF_SIZE = 1024;
+	wchar_t DEFAULT_WCHAR_BUF[DEFAULT_WCHAR_BUF_SIZE] = { 0 };
+
+	if (source == nullptr || source[0] == '\0')
+		return std::wstring();
+
+	int targetLen = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, source, -1, nullptr, 0);
+	if (targetLen == 0)
+		return std::wstring();
+
+	wchar_t* wszTemp = 0;
+	if (targetLen >= DEFAULT_WCHAR_BUF_SIZE)
+		wszTemp = new wchar_t[targetLen];
+	else
+		wszTemp = DEFAULT_WCHAR_BUF;
+
+	int result = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, source, -1, wszTemp, targetLen);
+	return std::wstring(wszTemp);
+}
+
 uint8_t* readFileToBuffer(const char* filename, int64_t& outSize)
 {
 	FILE* file = nullptr;
diff --git a/sgutil/CMakeLists.txt b/sgutil/CMakeLists.txt
index fb110a3..3fcb573 100644
--- a/sgutil/CMakeLists.txt
+++ b/sgutil/CMakeLists.txt
@@ -26,8 +26,12 @@ add_executable(sgutil
 	sgu_mode_npk_dump_list.cpp
 	sgu_mode_npk_extract_files.h
 	sgu_mode_npk_extract_files.cpp
+	sgu_mode_run_lua_file.h
+	sgu_mode_run_lua_file.cpp
 	sgu_utils.cpp
 	sgu_utils.h
+	sgu_lua_npk_file.h
+	sgu_lua_npk_file.cpp
 )
 
 target_include_directories(sgutil 
diff --git a/sgutil/sgu_lua_npk_file.cpp b/sgutil/sgu_lua_npk_file.cpp
new file mode 100644
index 0000000..55c8e00
--- /dev/null
+++ b/sgutil/sgu_lua_npk_file.cpp
@@ -0,0 +1,197 @@
+#include "sgu_lua_npk_file.h"
+#include "libNPK_Utils.h"
+
+extern "C"
+{
+#include "lua.h"
+#include "lualib.h"
+#include "lauxlib.h"
+};
+
+#include "lua_tinker.h"
+
+////////////////////////////////////////////////////////////////////////////////////
+void LuaNPKFile::registerLuaApi(lua_State* L)
+{
+	lua_tinker::def(L, "createNPKFile", &LuaNPKFile::create);
+	lua_tinker::def(L, "destroyNPKFile", &LuaNPKFile::destroy);
+	lua_tinker::def(L, "createEmptyFileList", &LuaNPKFileList::createEmpty);
+	lua_tinker::def(L, "destroyFileList", &LuaNPKFileList::destroy);
+
+	lua_tinker::class_add<LuaNPKFile>(L, "NPKFile");
+	lua_tinker::class_def<LuaNPKFile>(L, "openPakFile", &LuaNPKFile::openPakFile);
+	lua_tinker::class_def<LuaNPKFile>(L, "closePakFile", &LuaNPKFile::closePakFile);
+	lua_tinker::class_def<LuaNPKFile>(L, "getFileCounts", &LuaNPKFile::getFileCounts);
+	lua_tinker::class_def<LuaNPKFile>(L, "getFileNode", &LuaNPKFile::getFileNode);
+	lua_tinker::class_def<LuaNPKFile>(L, "openFileStream", &LuaNPKFile::openFileStream);
+	lua_tinker::class_def<LuaNPKFile>(L, "closeFileStream", &LuaNPKFile::closeFileStream);
+	lua_tinker::class_def<LuaNPKFile>(L, "generateFullInfoList", &LuaNPKFile::generateFullInfoList);
+
+	lua_tinker::class_add<LuaNPKFileItemBaseInfo>(L, "NPKFileItemBaseInfo");
+	lua_tinker::class_def<LuaNPKFileItemBaseInfo>(L, "keyName", &LuaNPKFileItemBaseInfo::c_keyName);
+	lua_tinker::class_mem<LuaNPKFileItemBaseInfo>(L, "fileOffset", &LuaNPKFileItemBaseInfo::fileOffset);
+	lua_tinker::class_mem<LuaNPKFileItemBaseInfo>(L, "fileSize", &LuaNPKFileItemBaseInfo::fileSize);
+
+	lua_tinker::class_add<LuaNPKFileItemFullInfo>(L, "LuaNPKFileItemFullInfo");
+	lua_tinker::class_def<LuaNPKFileItemFullInfo>(L, "npkName", &LuaNPKFileItemFullInfo::c_npkName);
+	lua_tinker::class_def<LuaNPKFileItemFullInfo>(L, "npkBase", &LuaNPKFileItemFullInfo::c_npkBase);
+	lua_tinker::class_def<LuaNPKFileItemFullInfo>(L, "keyName", &LuaNPKFileItemFullInfo::c_keyName);
+	lua_tinker::class_mem<LuaNPKFileItemFullInfo>(L, "fileOffset", &LuaNPKFileItemFullInfo::fileOffset);
+	lua_tinker::class_mem<LuaNPKFileItemFullInfo>(L, "fileSize", &LuaNPKFileItemFullInfo::fileSize);
+	lua_tinker::class_mem<LuaNPKFileItemFullInfo>(L, "fileCRC", &LuaNPKFileItemFullInfo::fileCRC);
+
+	lua_tinker::class_add<LuaNPKFileList>(L, "LuaNPKFileList");
+	lua_tinker::class_def<LuaNPKFileList>(L, "getFileCounts", &LuaNPKFileList::getFileCounts);
+	lua_tinker::class_def<LuaNPKFileList>(L, "getFileItem", &LuaNPKFileList::getFileItem);
+
+	lua_tinker::class_add<LuaNPKFileStream>(L, "NPKFileStream");
+	lua_tinker::class_def<LuaNPKFileStream>(L, "name", &LuaNPKFileStream::name);
+	lua_tinker::class_def<LuaNPKFileStream>(L, "size", &LuaNPKFileStream::size);
+	lua_tinker::class_def<LuaNPKFileStream>(L, "read", &LuaNPKFileStream::read);
+	lua_tinker::class_def<LuaNPKFileStream>(L, "seek", &LuaNPKFileStream::seek);
+	lua_tinker::class_def<LuaNPKFileStream>(L, "tell", &LuaNPKFileStream::tell);
+	lua_tinker::class_def<LuaNPKFileStream>(L, "crc32", &LuaNPKFileStream::crc32);
+	lua_tinker::class_def<LuaNPKFileStream>(L, "isEOF", &LuaNPKFileStream::isEOF);
+}
+
+LuaNPKFile* LuaNPKFile::create()
+{
+	return new LuaNPKFile();
+}
+
+void LuaNPKFile::destroy(LuaNPKFile* instance)
+{
+	delete instance;
+}
+
+LuaNPKFile::LuaNPKFile()
+{
+	m_pNPKFile = NPK::createNPKFile();
+}
+
+LuaNPKFile::~LuaNPKFile()
+{
+	closeNPKFile(m_pNPKFile);
+	m_pNPKFile = nullptr;
+}
+
+bool LuaNPKFile::openPakFile(const char* szPackFileName)
+{
+	std::wstring strFullName = convertUtf8StringToWide(szPackFileName);
+
+	return m_pNPKFile && m_pNPKFile->openPakFile(strFullName.c_str());
+}
+
+bool LuaNPKFile::closePakFile(void)
+{
+	return m_pNPKFile && m_pNPKFile->closePakFile();
+}
+
+int32_t LuaNPKFile::getFileCounts(void) const
+{
+	return m_pNPKFile ? m_pNPKFile->getFileCounts() : 0;
+}
+
+LuaNPKFileItemBaseInfo LuaNPKFile::getFileNode(int32_t index) const
+{
+	LuaNPKFileItemBaseInfo baseInfo;
+	m_pNPKFile->getFileItemBaseInfo(index, &baseInfo);
+	return baseInfo;
+}
+
+LuaNPKFileList* LuaNPKFile::generateFullInfoList()
+{
+	LuaNPKFileList* fileList = new LuaNPKFileList(); 
+	fileList->m_pFileList = m_pNPKFile->generateFullInfoList();
+	return fileList;
+}
+
+LuaNPKFileStream* LuaNPKFile::openFileStream(const char* szFileName)
+{
+	if(m_pNPKFile)
+	{
+		LuaNPKFileStream* fileStream = new LuaNPKFileStream();
+		fileStream->m_pFileStream = m_pNPKFile->openFileStream(szFileName);
+		if (fileStream->m_pFileStream)
+		{
+			return fileStream;
+		}
+		delete fileStream;
+	}
+	return nullptr;
+}
+
+void LuaNPKFile::closeFileStream(LuaNPKFileStream* fileStream)
+{
+	if (m_pNPKFile && fileStream)
+	{
+		m_pNPKFile->closeFileStream(fileStream->m_pFileStream);
+		fileStream->m_pFileStream = nullptr;
+	}
+	delete fileStream;
+}
+
+////////////////////////////////////////////////////////////////////////////////////
+const char* LuaNPKFileStream::name(void) const
+{
+	return m_pFileStream ? m_pFileStream->name() : nullptr;
+}
+
+uint32_t LuaNPKFileStream::size(void) const
+{
+	return m_pFileStream ? m_pFileStream->size() : 0;
+}
+
+uint32_t LuaNPKFileStream::read(void* buffer, uint32_t size)
+{
+	return m_pFileStream ? m_pFileStream->read(buffer, size) : 0;
+}
+
+bool LuaNPKFileStream::seek(uint32_t offset)
+{
+	return m_pFileStream ? m_pFileStream->seek(offset) : false;
+}
+
+uint32_t LuaNPKFileStream::tell(void) const
+{
+	return m_pFileStream ? m_pFileStream->tell() : 0;
+}
+
+uint32_t LuaNPKFileStream::crc32(void)
+{
+	return m_pFileStream ? m_pFileStream->crc32() : 0;
+}
+
+bool LuaNPKFileStream::isEOF(void) const
+{
+	return m_pFileStream ? m_pFileStream->isEOF() : true;
+}
+
+/// /////////////////////////////////////////////////////////////////////////////////
+LuaNPKFileList* LuaNPKFileList::createEmpty()
+{
+	LuaNPKFileList* pNewLuaFileList = new LuaNPKFileList();
+	pNewLuaFileList->m_pFileList = NPK::createEmptyFileList();
+	return pNewLuaFileList;
+}
+
+void LuaNPKFileList::destroy(LuaNPKFileList* instance)
+{
+	NPK::destoryFileList(instance->m_pFileList);
+	delete instance;
+}
+
+int32_t LuaNPKFileList::getFileCounts(void) const
+{
+	return m_pFileList ? m_pFileList->getFileCounts() : 0;
+}
+
+LuaNPKFileItemFullInfo LuaNPKFileList::getFileItem(int32_t index) const
+{
+	LuaNPKFileItemFullInfo fullInfo;
+	if (m_pFileList)
+	{
+		m_pFileList->getFileItem(index, &fullInfo);
+	}
+	return fullInfo;
+}
diff --git a/sgutil/sgu_lua_npk_file.h b/sgutil/sgu_lua_npk_file.h
new file mode 100644
index 0000000..5ed805a
--- /dev/null
+++ b/sgutil/sgu_lua_npk_file.h
@@ -0,0 +1,70 @@
+#pragma once
+
+#include <stdint.h>
+#include "libNPK.h"
+
+
+struct LuaNPKFileItemBaseInfo : public NPK::FileItemBaseInfo
+{
+	const char* c_keyName() const { return keyName.c_str(); }
+};
+
+struct LuaNPKFileItemFullInfo : public NPK::FileItemFullInfo
+{
+	const char* c_npkName() const { return npkName.c_str(); }
+	const char* c_npkBase() const { return npkBase.c_str(); }
+	const char* c_keyName() const { return keyName.c_str(); }
+};
+
+class LuaNPKFileStream
+{
+public:
+	const char* name(void) const;
+	uint32_t size(void) const;
+	uint32_t read(void* buffer, uint32_t size);
+	bool seek(uint32_t offset);
+	uint32_t tell(void) const;
+	uint32_t crc32(void);
+	bool isEOF(void) const;
+
+	NPK::IFileStream* m_pFileStream = nullptr;
+};
+
+class LuaNPKFileList
+{
+public:
+	static LuaNPKFileList* createEmpty();
+	static void destroy(LuaNPKFileList* instance);
+public:
+	int32_t getFileCounts(void) const;
+	LuaNPKFileItemFullInfo getFileItem(int32_t index) const;
+
+public:
+	NPK::IFileList* m_pFileList = nullptr;
+};
+
+class LuaNPKFile
+{
+public:
+	static void registerLuaApi(struct lua_State* L);
+	static LuaNPKFile* create();
+	static void destroy(LuaNPKFile* instance);
+
+public:
+	bool openPakFile(const char* szPackFileName);
+	bool closePakFile(void);
+	int32_t getFileCounts(void) const;
+
+	LuaNPKFileList* generateFullInfoList();
+
+	LuaNPKFileItemBaseInfo getFileNode(int32_t index) const;
+	LuaNPKFileStream* openFileStream(const char* szFileName);
+	void closeFileStream(LuaNPKFileStream* fileStream);
+
+public:
+	NPK::INPKFile* m_pNPKFile = nullptr;
+
+public:
+	LuaNPKFile();
+	~LuaNPKFile();
+};
diff --git a/sgutil/sgu_main.cpp b/sgutil/sgu_main.cpp
index 6462697..610ec32 100644
--- a/sgutil/sgu_main.cpp
+++ b/sgutil/sgu_main.cpp
@@ -11,9 +11,100 @@
 #include "sgu_mode_npk_dump_list.h"
 #include "sgu_mode_npk_extract_files.h"
 #include "sgu_mode_download.h"
+#include "sgu_mode_run_lua_file.h"
 
 #include "libEncrypt_AES.h"
 
+//int TestFunc(lua_State* L)
+//{
+//	printf("# TestFunc\n");
+//	return lua_yield(L, 0);
+//}
+//
+//int TestFunc2(lua_State* L, float a)
+//{
+//	printf("# TestFunc2(L,%f)\n", a);
+//	return lua_yield(L, 0);
+//}
+//
+//class TestClass
+//{
+//public:
+//
+//	int TestFunc(lua_State* L, int a)
+//	{
+//		m_data = a;
+//		printf("# TestClass::TestFunc\n");
+//		return lua_yield(L, 0);
+//	}
+//
+//	int TestFunc2(lua_State* L, float a)
+//	{
+//		printf("# TestClass::TestFunc2(L,%d, %f)\n", m_data, a);
+//		return lua_yield(L, 0);
+//	}
+//
+//private:
+//	int m_data;
+//};
+//
+//int foo()
+//{
+//	lua_State* L = lua_open();
+//	luaopen_base(L);
+//	luaopen_string(L);
+//
+//	lua_tinker::def(L, "TestFunc", &TestFunc);
+//	lua_tinker::def(L, "TestFunc2", &TestFunc2);
+//
+//	lua_tinker::class_add<TestClass>(L, "TestClass");
+//	lua_tinker::class_def<TestClass>(L, "TestFunc", &TestClass::TestFunc);
+//	lua_tinker::class_def<TestClass>(L, "TestFunc2", &TestClass::TestFunc2);
+//
+//	TestClass g_test;
+//	lua_tinker::set(L, "g_test", &g_test);
+//
+//
+//	
+//	lua_tinker::dostring(L, 
+//		"function ThreadTest()\n"
+//		"	print(\"ThreadTest\")\n"
+//
+//		"	print(\"TestFunc Begin\")"
+//		"	TestFunc()\n"
+//		"	TestFunc2(1.2)\n"
+//		"	print(\"TestFunc End\")\n"
+//
+//		"	print(\"g_test::TestFunc()\")\n"
+//		"	g_test:TestFunc(123)\n"
+//		"	g_test:TestFunc2(2.3)\n"
+//		"	print(\"g_test::TestFunc()\")\n"
+//		"end\n"
+//	);
+//
+//	lua_newthread(L);
+//	lua_pushstring(L, "ThreadTest");
+//	lua_gettable(L, LUA_GLOBALSINDEX);
+//
+//	printf("* lua_resume() 1\n");
+//	lua_resume(L, 0);
+//
+//	printf("* lua_resume() 2\n");
+//	lua_resume(L, 0);
+//
+//	printf("* lua_resume() 3\n");
+//	lua_resume(L, 0);
+//
+//	printf("* lua_resume() 4\n");
+//	lua_resume(L, 0);
+//
+//	printf("* lua_resume() 5\n");
+//	lua_resume(L, 0);
+//
+//	lua_close(L);
+//
+//	return 0;
+//}
 ////////////////////////////////////////////////////////////////////////////////////////////
 enum { OPT_MODE, 
 	OPT_INPUT, OPT_INPUT2, OPT_OUTPUT, 
@@ -65,6 +156,7 @@ static void printUsage(const char* moduleName)
 	printf(" NPKDumpList\tDumps the file list from an NPK archive to a text file.\n");
 	printf(" NPKExtractFiles\tExtracts all files from an NPK archive to a specified output directory.\n");
 	printf(" HttpDownload\tDownloads a file from a specified URL and saves it to a local file.\n");
+	printf(" RunLuaFile\t xxxx \n");
 	printf("\nSample:\n");
 	printf(" -m GenRandFile -min 500 -max 1k -o rand.bin\n");
 	printf(" -m RandModifyFile -i ver01.bin -min 100 -max 1k -c 3 -o ver02.bin\n");
@@ -77,6 +169,7 @@ static void printUsage(const char* moduleName)
 	printf(" -m NPKDumpList -i abc.npk -o abc_file_list.txt\n");
 	printf(" -m NPKExtractFiles -i abc.npk -o output\n");
 	printf(" -m HttpDownload -i http://download.com/file.txt -o file.txt\n");
+	printf(" -m RunLuaFile -i script.lua\n");
 }
 
 enum WorkMode {
@@ -92,6 +185,7 @@ enum WorkMode {
 	WM_HTTP_DOWNLOAD,
 	WM_NPK_DUMPLIST,
 	WM_NPK_EXTRACT_FILES,
+	WM_RUN_LUA_FILE,
 };
 
 enum HashType {
@@ -138,6 +232,9 @@ WorkMode parserWorkMode(const char* modeStr)
 	else if (_stricmp(modeStr, "NPKExtractFiles") == 0) {
 		return WM_NPK_EXTRACT_FILES;
 	}
+	else if (_stricmp(modeStr, "RunLuaFile") == 0) {
+		return WM_RUN_LUA_FILE;
+	}
 	return WM_NONE;
 }
 
@@ -418,7 +515,22 @@ int main(int argc, char* argv[])
 			}
 		}
 		break;
-
+	case WM_RUN_LUA_FILE:
+		{
+			if (inputFilename == nullptr)
+			{
+				printf("Error: For 'RunLuaFile' mode, you must specify input Lua script file.\n");
+				printUsage(::PathFindFileNameA(argv[0]));
+				return 1;
+			}
+			printf("Running Lua script file: %s\n", inputFilename);
+			if (!run_lua_file(inputFilename))
+			{
+				printf("Error: Failed to run Lua script file.\n");
+				return 1;
+			}
+		}
+		break;
 	case WM_NONE:
 	default:
 	{
diff --git a/sgutil/sgu_mode_npk_dump_list.cpp b/sgutil/sgu_mode_npk_dump_list.cpp
index 24630a5..4483e27 100644
--- a/sgutil/sgu_mode_npk_dump_list.cpp
+++ b/sgutil/sgu_mode_npk_dump_list.cpp
@@ -16,7 +16,9 @@ bool dumpNPKFileList(const char* inputFilename, const char* outputFilename)
 		return false;
 	}
 	NPK::INPKFile* pakFile = NPK::createNPKFile();
-	if (!(pakFile->openPakFile(inputFilename)))
+
+	std::wstring strFullName = convertAnsiStringToWide(inputFilename);
+	if (!(pakFile->openPakFile(strFullName.c_str())))
 	{
 		printf("Error: Failed to open NPK file: %s, ErrorCode:%d\n", inputFilename, NPK::getLastErrorCode());
 		return false;
@@ -28,27 +30,27 @@ bool dumpNPKFileList(const char* inputFilename, const char* outputFilename)
 		printf("Error: Failed to open output file: %s\n", outputFilename);
 		return false;
 	}
-	int32_t fileCount = pakFile->getFileCount();
+	int32_t fileCount = pakFile->getFileCounts();
 
 	// Dump file list
 	for(int32_t i=0; i < fileCount; i++)
 	{
-		NPK::INPKFile::FileNode fileNode;
-		if (!pakFile->getFileNode(i, fileNode))
+		NPK::FileItemBaseInfo baseInfo;
+		if (!pakFile->getFileItemBaseInfo(i, &baseInfo))
 		{
 			printf("Error: Failed to get file node at index %d\n", i);
 			fclose(fpOutput);
 			return false;
 		}
-		NPK::IFileStream* fileStream = pakFile->openFileStream(fileNode.fileName.c_str());
+		NPK::IFileStream* fileStream = pakFile->openFileStream(baseInfo.keyName.c_str());
 		if (!fileStream)
 		{
-			printf("Error: Failed to open file stream for '%s', Error=%s\n", fileNode.fileName.c_str(), NPK::getLastErrorMessage());
+			printf("Error: Failed to open file stream for '%s', Error=%s\n", baseInfo.keyName.c_str(), NPK::getLastErrorMessage());
 			fclose(fpOutput);
 			return false;
 		}
 		uint32_t crc32 = fileStream->crc32();
-		fprintf(fpOutput, "%s\t%08x\t%u\n", fileNode.fileName.c_str(), crc32, fileNode.fileSize);
+		fprintf(fpOutput, "%s\t%08x\t%u\n", baseInfo.keyName.c_str(), crc32, baseInfo.fileSize);
 
 		pakFile->closeFileStream(fileStream);
 	}
diff --git a/sgutil/sgu_mode_npk_extract_files.cpp b/sgutil/sgu_mode_npk_extract_files.cpp
index 812e237..e8a99f6 100644
--- a/sgutil/sgu_mode_npk_extract_files.cpp
+++ b/sgutil/sgu_mode_npk_extract_files.cpp
@@ -21,19 +21,21 @@ bool extractNPKFiles(const char* szNPKFileName, const char* szOutputDir)
 	{
 		return false; // Failed to create NPK file interface
 	}
-	if (!npkFile->openPakFile(szNPKFileName))
+
+	std::wstring strFullName = convertAnsiStringToWide(szNPKFileName);
+	if (!(npkFile->openPakFile(strFullName.c_str())))
 	{
 		printf("Failed to open NPK file: '%s', Error=%s\n", szNPKFileName, NPK::getLastErrorMessage());
 		NPK::closeNPKFile(npkFile);
 		return false; // Failed to open NPK file
 	}
-	int32_t fileCount = npkFile->getFileCount();
+	int32_t fileCount = npkFile->getFileCounts();
 	for (int32_t i = 0; i < fileCount; ++i)
 	{
-		NPK::INPKFile::FileNode fileNode;
-		if (npkFile->getFileNode(i, fileNode))
+		NPK::FileItemBaseInfo baseInfo;
+		if (!npkFile->getFileItemBaseInfo(i, &baseInfo))
 		{
-			std::string outputPathName = std::string(szOutputDir) + "/" + fileNode.fileName;
+			std::string outputPathName = std::string(szOutputDir) + "/" + baseInfo.keyName;
 
 			char szOutputPath[MAX_PATH];
 			StringCbCopyA(szOutputPath, sizeof(szOutputPath), outputPathName.c_str());
@@ -46,10 +48,11 @@ bool extractNPKFiles(const char* szNPKFileName, const char* szOutputDir)
 				return false;
 			}
 
-			NPK::IFileStream* fileStream = npkFile->openFileStream(fileNode.fileName.c_str());
+			NPK::IFileStream* fileStream = npkFile->openFileStream(baseInfo.keyName.c_str());
 			if(fileStream == nullptr)
 			{
-				printf("Error: Failed to open file stream for '%s', Error=%s\n", fileNode.fileName.c_str(), NPK::getLastErrorMessage());
+				printf("Error: Failed to open file stream for '%s', Error=%s\n", 
+					baseInfo.keyName.c_str(), NPK::getLastErrorMessage());
 				NPK::closeNPKFile(npkFile);
 				return false;
 			}
diff --git a/sgutil/sgu_mode_run_lua_file.cpp b/sgutil/sgu_mode_run_lua_file.cpp
new file mode 100644
index 0000000..6f69201
--- /dev/null
+++ b/sgutil/sgu_mode_run_lua_file.cpp
@@ -0,0 +1,33 @@
+#include "sgu_mode_run_lua_file.h"
+#include "sgu_lua_npk_file.h"
+
+#include "libNPK.h"
+
+extern "C"
+{
+#include "lua.h"
+#include "lualib.h"
+#include "lauxlib.h"
+};
+
+#include "lua_tinker.h"
+
+bool run_lua_file(const char* szLuaFilename)
+{
+	lua_State* L = lua_open();
+	luaL_openlibs(L);
+
+	//register global functions
+	lua_tinker::def(L, "getLastErrorCode", &NPK::getLastErrorCode);
+	lua_tinker::def(L, "getLastErrorMessage", &NPK::getLastErrorMessage);
+
+	//register classes
+	LuaNPKFile::registerLuaApi(L);
+
+	//run lua file
+	lua_tinker::dofile(L, szLuaFilename);
+
+	//cleanup
+	lua_close(L);
+	return true;
+}
\ No newline at end of file
diff --git a/sgutil/sgu_mode_run_lua_file.h b/sgutil/sgu_mode_run_lua_file.h
new file mode 100644
index 0000000..09b3f19
--- /dev/null
+++ b/sgutil/sgu_mode_run_lua_file.h
@@ -0,0 +1,3 @@
+#pragma once
+
+bool run_lua_file(const char* szLuaFilename);