diff --git a/xlsx/Author.tsf b/xlsx/Author.tsf
deleted file mode 100644
index e69de29..0000000
diff --git a/xlsx/Workbook.tsf b/xlsx/Workbook.tsf
deleted file mode 100644
index 6642564..0000000
--- a/xlsx/Workbook.tsf
+++ /dev/null
@@ -1,437 +0,0 @@
-Type Workbook = class
-
-public
-	Function Create(object, name, fullname);
-	Function Init(object);
-
-private
-	xlsx_;
-	file_name_;
-	full_name_;
-	collection_;
-
-public
-	Function AcceptAllChanges();
-	Function Activate();
-	Function AddToFavorite();
-	Function ApplyTheme();
-	Function BreakLink(Name, Type);
-	Function CanCheckIn();
-	Function ChangeFileAccess(Mode, WritePassword, Notify);
-	Function ChangeLink(Name, NewName, Type);
-	Function CheckIn(SaveChanges, Comments, MakePublic);
-	Function CheckInWithVersion(SaveChanges, Comments, MakePublic, VersionType);
-	Function Close(SaveChanges, FileName, RouteWorkbook);		// Completed
-	Function ConvertComments();
-	Function CreateForecastSheet(Timeline, Values_, ForecastStart, ForecasetEnd, ConfInt, Seasonality, DataCompletion, Aggregation, ChartType, ShowStatsTable);
-	Function DeleteNumberFormat(NumberFormat);
-	Function EnableConnections();
-	Function EndReview();
-	Function ExclusiveAccess();
-	Function ExportAsFixedFormat (Type, FileName, Quality, IncludeDocProperties, IgnorePrintAreas, From_, To_, OpenAfterPublish, FixedFormatExtClassPtr);
-	Function FollowHyperlink (Address, SubAddress, NewWindow, AddHistory, ExtraInfo, Method, HeaderInfo);
-	Function ForwardMailer();
-	Function GetWorkflowTasks();
-	Function GetWorkflowTemplates();
-	Function HighlightChangesOptions(When, Who, Where_);
-	Function LinkInfo (Name, LinkInfo, Type, EditionRef);
-	Function LinkSources (Type);
-	Function LockServerFile();
-	Function MergeWorkbook (FileName);
-	Function NewWindow();
-	Function OpenLinks(Name, ReadOnly, Type);
-	Function PivotCaches();
-	Function Post();
-	Function PrintOut(From_, To_, Copies, Preview, ActivePrinter, PrintToFile, Collate, PrToFileName, IgnorePrintAreas);
-	Function PrintPreview(EnableChanges);
-	Function Protect(Password, Structure, Windows);
-	Function ProtectSharing(FileName, Password, WriteResPassword, ReadOnlyRecommended, CreateBackup, SharingPassword, FileFormat);
-	Function PublishToDocs();
-	Function PurgeChangeHistoryNow(Days, SharingPassword);
-	Function RefreshAll();
-	Function RejectAllChanges(When, Who, Where_);
-	Function ReloadAs(Encoding);
-	Function RemoveDocumentInformation(RemoveDocInfoType);
-	Function RemoveUser(Index);
-	Function Reply();
-	Function ReplyAll();
-	Function ReplyWithChanges(ShowMessage);
-	Function ResetColors();
-	Function RunAutoMacros(Which);
-	Function Save();	// Completed
-	Function SaveAs(FileName, FileFormat, Password, WriteResPassword, ReadOnlyRecommended, CreateBackup, AccessMode,
-					ConflictResolution, AddToMru, TextCodepage, TextVisualLayout, Local); // Completed
-	Function SaveAsXMLData(FileName, Map);
-	Function SaveCopyAs(FileName); // Completed
-	Function SendFaxOverInternet(Recipients, Subject, ShowMessage);
-	Function SendForReview(Recipients, Subject, ShowMessage, IncludeAttachment);
-	Function SendMail(Recipients, Subject, ReturnReceipt);
-	Function SendMailer(FileFormat, Priority);
-	Function SetLinkOnData(Name, Procedure_);
-	Function SetPasswordEncryptionOptions(PasswordEncryptionProvider, PasswordEncryptionAlgorithm, PasswordEncryptionKeyLength, PasswordEncryptionFileProperties);
-	Function ToggleFormsDesign();
-	Function Unprotect(Password);
-	Function UnprotectSharing(SharingPassword);
-	Function UpdateFromFile();
-	Function UpdateLink(Name, Type);
-	Function WebPagePreview();
-	Function XmlImport(Url, ImportMap, Overwrite, Destination);
-	Function XmlImportXml(Data, ImportMap, Overwrite, Destination);
-
-	property AccuracyVersion read ReadAccuracyVersion write WriteAccuracyVersion;
-	property ActiveChart read ReadActiveChart;
-	property ActiveSheet read ReadActiveSheet; // Completed
-	property ActiveSlicer read ReadActiveSlicer;
-	property Application read ReadApplication;
-	property AutoSaveOn read ReadAutoSaveOn write WriteAutoSaveOn;
-	property AutoUpdateFrequency read ReadAutoUpdateSaveChanges write WriteAutoUpdateSaveChanges;
-	property AutoUpdateSaveChanges read ReadAutoUpdateSaveChanges write WriteAutoUpdateSaveChanges;
-	property BuiltinDocumentProperties read ReadBuiltinDocumentProperties; // TODO
-	property CalculationVersion read ReadCalculationVersion; // TODO
-	property CaseSensitive read ReadCaseSensitive; // TODO
-	property ChangeHistoryDuration read ReadChangeHistoryDuration write WirteChangeHistoryDuration;
-	property ChartDataPointTrack read ReadChartDataPointTrack write WriteChartDataPointTrack;
-	property Charts read ReadCharts; // TODO
-	property CheckCompatibility read ReadCheckCompatibility write WriteCheckCompatibility;
-	property CodeName read ReadCodeName;
-	property Colors read ReadColors write WriteColors;
-	property CommandBars read ReadCommandBars;
-	property ConflictResolution read ReadConflictResolution write WriteConflictResolution;
-	property Connections read ReadConnections;
-	property ConnectionsDisabled read ReadConnectionsDisabled;
-	property Container read ReadContainer;
-	property ContentTypeProperties read ReadContentTypeProperties;
-	property CreateBackup read ReadCreateBackup;
-	property Creator read ReadCreator;
-	property CustomDocumentProperties read ReadCustomDocumentProperties write WriteCustomDocumentProperties; // TODO
-	property CustomViews read ReadCustomViews;
-	property CustomXMLParts read ReadCustomXMLParts;
-	property Date1904 read ReadDate1904 write WriteDate1904;
-	property DefaultPivotTableStyle read ReadDefaultPivotTableStyle write WriteDefaultPivotTableStyle;
-	property DefaultSlicerStyle read ReadDefaultSlicerStyle write WriteDefaultSlicerStyle;
-	property DefaultTableStyle read ReadDefaultTableStyle write WriteDefaultTableStyle; // TODO
-	property DefaultTimelineStyle read ReadDefaultTimelineStyle write WriteDefaultTimelineStyle;
-	property DisplayDrawingObjects read ReadDisplayDrawingObjects write WriteDisplayDrawingObjects;
-	property DisplayInkComments read ReadDisplayInkComments write WriteDisplayInkComments;
-	property DocumentInspectors read ReadDocumentInspectors;
-	property DocumentLibraryVersions read ReadDocumentLibraryVersions;
-	property DoNotPromptForConvert read ReadDoNotPromptForConvert write WriteDoNotPromptForConvert;
-	property EnableAutoRecover read ReadEnableAutoRecover write WriteEnableAutoRecover;
-	property EncryptionProvider read ReadEncryptionProvider write WriteEncryptionProvider;
-	property EnvelopeVisible read ReadEnvelopeVisible write WriteEnvelopeVisible;
-	property Excel4IntlMacroSheets read ReadExcel4IntlMacroSheets;
-	property Excel4MacroSheets read ReadExcel4MacroSheets;
-	property Excel8CompatibilityMode read ReadExcel8CompatibilityMode;
-	property FileFormat read ReadFileFormat;
-	property Final read ReadFinal write WriteFinal;
-	property ForceFullCalculation read ReadForceFullCalculation write WriteForceFullCalculation;
-	property FullName read ReadFullName; // Completed
-	property FullNameURLEncoded read ReadFullNameURLEncoded;
-	property HasPassword read ReadHasPassword;
-	property HasVBProject read ReadHasVBProject;
-	property HighlightChangesOnScreen read ReadHighlightChangesOnScreen write WriteHighlightChangesOnScreen;
-	property IconSets read ReadIconSets;
-	property InactiveListBorderVisible read ReadInactiveListBorderVisible write WriteInactiveListBorderVisible;
-	property IsAddin read ReadIsAddin write WriteIsAddin;
-	property IsInplace read ReadIsInplace;
-	property KeepChangeHistory read ReadKeepChangeHistory write WriteKeepChangeHistory;
-	property ListChangesOnNewSheet read ReadListChangesOnNewSheet write WriteListChangesOnNewSheet;
-	property Mailer read ReadMailer write WriteMailer;
-	property Model read ReadModel;
-	property MultiUserEditing read ReadMultiUserEditing;
-	property Name read ReadName;
-	property Names read ReadNames;
-	property Parent read ReadParent;
-	property Password read ReadPassword write WritePassword; // Completed
-	property PasswordEncryptionAlgorithm read ReadPasswordEncryptionAlgorithm;
-	property PasswordEncryptionFileProperties read ReadPasswordEncryptionFileProperties;
-	property PasswordEncryptionKeyLength read ReadPasswordEncryptionKeyLength;
-	property PasswordEncryptionProvider read ReadPasswordEncryptionProvider;
-	property Path read ReadPath;
-	property Permission read ReadPermission;
-	property PersonalViewListSettings read ReadPersonalViewListSettings write WritePersonalViewListSettings;
-	property PersonalViewPrintSettings read ReadPersonalViewPrintSettings write WritePersonalViewPrintSettings;
-	property PivotTables read ReadPivotTables;
-	property PrecisionAsDisplayed read ReadPrecisionAsDisplayed write WritePrecisionAsDisplayed;
-	property ProtectStructure read ReadProtectStructure;
-	property ProtectWindows read ReadProtectWindows;
-	property PublishObjects read ReadPublishObjects;
-	property Queries read ReadQueries;
-	property ReadOnly read ReadReadOnly;
-	property ReadOnlyRecommended read ReadReadOnlyRecommended;
-	property RemovePersonalInformation read ReadRemovePersonalInformation write WriteRemovePersonalInformation;
-	property Research read ReadResearch;
-	property RevisionNumber read ReadRevisionNumber;
-	property Saved read ReadSaved write WriteSaved;
-	property SaveLinkValues read ReadSaveLinkValues write WriteSaveLinkValues;
-	property SensitivityLabel read ReadSensitivityLabel;
-	property ServerPolicy read ReadServerPolicy;
-	property ServerViewableItems read ReadServerViewableItems;
-	property Sheets read ReadSheets; // TODO - 差chartsheet
-	property ShowConflictHistory read ReadShowConflictHistory write WriteShowConflictHistory;
-	property ShowPivotChartActiveFields read ReadShowPivotChartActiveFields write WriteShowPivotChartActiveFields;
-	property ShowPivotTableFieldList read ReadShowPivotTableFieldList write WriteShowPivotTableFieldList;
-	property Signatures read ReadSignatures;
-	property SlicerCaches read ReadSlicerCaches;
-	property SmartDocument read ReadSmartDocument;
-	property Styles read ReadStyles; // TODO
-	property TableStyles read ReadTableStyles;
-	property TemplateRemoveExtData read ReadTemplateRemoveExtData write WriteTemplateRemoveExtData;
-	property Theme read ReadTheme;
-	property UpdateLinks read ReadUpdateLinks write WriteUpdateLinks;
-	property UpdateRemoteReferences read ReadUpdateRemoteReferences write WriteUpdateRemoteReferences;
-	property UserStatus read ReadUserStatus;
-	property UseWildcardsoperty read ReadUseWildcardsoperty;
-	property VBASigned read ReadVBASigned;
-	property VBProject read ReadVBProject;
-	property WebOptions read ReadWebOptions;
-	property Windows read ReadWindows;
-	property Worksheets read ReadWorkSheets; // Completed
-	property WritePassword read ReadWritePassword write WriteWritePassword;
-	property WriteReserved read ReadWriteReserved;
-	property WriteReservedBy read ReadWriteReservedBy;
-	property XmlMaps read ReadXmlMaps;
-	property XmlNamespaces read ReadXmlNamespaces;
-	Function ReadXmlNamespaces();
-	Function ReadXmlMaps();
-	Function ReadWriteReservedBy();
-	Function ReadWriteReserved();
-	Function WriteWritePassword();
-	Function ReadWritePassword();
-	Function ReadWorkSheets(index);
-	Function ReadWindows();
-	Function ReadWebOptions();
-	Function ReadVBProject();
-	Function ReadVBASigned();
-	Function ReadUseWildcardsoperty();
-	Function ReadUseWholeCellCriteria();
-	Function ReadUserStatus();
-	Function WriteUpdateRemoteReferences();
-	Function ReadUpdateRemoteReferences();
-	Function WriteUpdateLinks();
-	Function ReadUpdateLinks();
-	Function ReadTheme();
-	Function WriteTemplateRemoveExtData();
-	Function ReadTemplateRemoveExtData();
-	Function ReadTableStyles();
-	Function ReadStyles();
-	Function ReadSmartDocument();
-	Function ReadSlicerCaches();
-	Function ReadSignatures();
-	Function WriteShowPivotTableFieldList();
-	Function ReadShowPivotTableFieldList();
-	Function WriteShowPivotChartActiveFields();
-	Function ReadShowPivotChartActiveFields();
-	Function WriteShowConflictHistory();
-	Function ReadShowConflictHistory();
-	Function ReadSheets();
-	Function ReadServerViewableItems();
-	Function ReadServerPolicy();
-	Function ReadSensitivityLabel();
-	Function WriteSaveLinkValues();
-	Function ReadSaveLinkValues();
-	Function WriteSaved();
-	Function ReadSaved();
-	Function ReadRevisionNumber();
-	Function ReadResearch();
-	Function WriteRemovePersonalInformation();
-	Function ReadRemovePersonalInformation();
-	Function ReadReadOnlyRecommended();
-	Function ReadReadOnly();
-	Function ReadQueries();
-	Function ReadPublishObjects();
-	Function ReadProtectWindows();
-	Function ReadProtectStructure();
-	Function WritePrecisionAsDisplayed();
-	Function ReadPrecisionAsDisplayed();
-	Function ReadPivotTables();
-	Function WritePersonalViewPrintSettings();
-	Function ReadPersonalViewPrintSettings();
-	Function WritePersonalViewListSettings();
-	Function ReadPersonalViewListSettings();
-	Function ReadPermission();
-	Function ReadPath();
-	Function ReadPasswordEncryptionProvider();
-	Function ReadPasswordEncryptionKeyLength();
-	Function ReadPasswordEncryptionFileProperties();
-	Function ReadPasswordEncryptionAlgorithm();
-	Function WritePassword(passwd);
-	Function ReadPassword();
-	Function ReadParent();
-	Function ReadNames();
-	Function ReadName();
-	Function ReadMultiUserEditing();
-	Function ReadModel();
-	Function WriteMailer();
-	Function ReadMailer();
-	Function WriteListChangesOnNewSheet();
-	Function ReadListChangesOnNewSheet();
-	Function WriteKeepChangeHistory();
-	Function ReadKeepChangeHistory();
-	Function ReadIsInplace();
-	Function WriteIsAddin();
-	Function ReadIsAddin();
-	Function WriteInactiveListBorderVisible();
-	Function ReadInactiveListBorderVisible();
-	Function ReadIconSets();
-	Function WriteHighlightChangesOnScreen();
-	Function ReadHighlightChangesOnScreen();
-	Function ReadHasVBProject();
-	Function ReadHasPassword();
-	Function ReadFullNameURLEncoded();
-	Function ReadFullName();
-	Function WriteForceFullCalculation();
-	Function ReadForceFullCalculation();
-	Function WriteFinal();
-	Function ReadFinal();
-	Function ReadFileFormat();
-	Function ReadExcel8CompatibilityMode();
-	Function ReadExcel4MacroSheets();
-	Function ReadExcel4IntlMacroSheets();
-	Function WriteEnvelopeVisible();
-	Function ReadEnvelopeVisible();
-	Function WriteEncryptionProvider();
-	Function ReadEncryptionProvider();
-	Function WriteEnableAutoRecover();
-	Function ReadEnableAutoRecover();
-	Function WriteDoNotPromptForConvert();
-	Function ReadDoNotPromptForConvert();
-	Function ReadDocumentLibraryVersions();
-	Function ReadDocumentInspectors();
-	Function WriteDisplayInkComments();
-	Function ReadDisplayInkComments();
-	Function WriteDisplayDrawingObjects();
-	Function ReadDisplayDrawingObjects();
-	Function WriteDefaultTimelineStyle();
-	Function ReadDefaultTimelineStyle();
-	Function WriteDefaultTableStyle();
-	Function ReadDefaultTableStyle();
-	Function WriteDefaultSlicerStyle();
-	Function ReadDefaultSlicerStyle();
-	Function WriteDefaultPivotTableStyle();
-	Function ReadDefaultPivotTableStyle();
-	Function WriteDate1904();
-	Function ReadDate1904();
-	Function ReadCustomXMLParts();
-	Function ReadCustomViews();
-	Function WriteCustomDocumentProperties(value);
-	Function ReadCustomDocumentProperties(item);
-	Function ReadCreator();
-	Function ReadCreateBackup();
-	Function ReadContentTypeProperties();
-	Function ReadContainer;
-	Function ReadConnectionsDisabled();
-	Function ReadConnections();
-	Function WriteConflictResolution();
-	Function ReadConflictResolution();
-	Function ReadCommandBars();
-	Function WriteColors(index, value);
-	Function ReadColors(index);
-	Function ReadCodeName();
-	Function ReadCheckCompatibility();
-	Function WriteCheckCompatibility();
-	Function ReadCharts();
-	Function ReadChartDataPointTrack();
-	Function WriteChartDataPointTrack();
-	Function WirteChangeHistoryDuration();
-	Function ReadChangeHistoryDuration();
-	Function ReadCaseSensitive();
-	Function ReadCalculationVersion();
-	Function ReadBuiltinDocumentProperties();
-	Function ReadAutoUpdateSaveChanges();
-	Function WriteAutoUpdateSaveChanges();
-	Function ReadAutoSaveOn();
-	Function WriteAutoSaveOn();
-	Function ReadApplication();
-	Function ReadActiveSlicer();
-	Function ReadActiveSheet();
-	Function ReadActiveChart();
-	Function ReadAccuracyVersion();
-	Function WriteAccuracyVersion(value);
-
-private
-	worksheets_;
-
-End;
-
-// ============== 实现 ================= //
-Function Workbook.Create(object, name, fullname);
-Begin
-	xlsx_ := object;
-	file_name_ := name;
-	full_name_ := fullname;
-	collection_ := class(Collection).GetInstance('workbook');
-	Init(object);
-End;
-
-Function Workbook.Init(object);
-Begin
-	worksheets_ := new Worksheets(object, file_name_);
-End;
-
-// function
-Function Workbook.Close(SaveChanges, FileName, RouteWorkbook);
-Begin
-	if SaveChanges then xlsx_.Save();
-	if FileName then xlsx_.SaveAs("", FileName);
-	collection_.RemoveCollection(file_name_);
-End;
-
-Function Workbook.Save();
-Begin
-	xlsx_.Save();
-End;
-
-Function Workbook.SaveAs(FileName, FileFormat, Password, WriteResPassword, ReadOnlyRecommended,
-		 CreateBackup, AccessMode, ConflictResolution, AddToMru, TextCodepage, TextVisualLayout, Local);
-Begin
-	xlsx_.SetPassword(Password);
-	xlsx_.SaveAs("", FileName);
-End;
-
-Function Workbook.SaveCopyAs(FileName);
-Begin
-	xlsx_.SaveAs("", FileName);
-End;
-
-// property
-Function Workbook.ReadWorkSheets(index);
-Begin
-	if ifnil(index) then return worksheets_;
-	return worksheets_[index];
-End;
-
-Function Workbook.ReadActiveSheet();
-Begin
-	return worksheets_.GetCollection().GetActivation();
-End;
-
-Function Workbook.ReadFullName();
-Begin
-	return full_name_;
-End;
-
-Function Workbook.ReadFullNameURLEncoded();
-Begin
-	return full_name_;
-End;
-
-Function Workbook.ReadName();
-Begin
-	return file_name_;
-End;
-
-Function Workbook.WritePassword(passwd);
-Begin
-	xlsx_.SetPassword(passwd);
-End;
-
-Function Workbook.ReadPassword();
-Begin
-	return "******";
-End;
-
-Function Workbook.ReadPath();
-Begin
-	return ExtractFileDir(full_name_);
-End;
diff --git a/xlsx/Workbooks.tsf b/xlsx/Workbooks.tsf
deleted file mode 100644
index 77fc435..0000000
--- a/xlsx/Workbooks.tsf
+++ /dev/null
@@ -1,81 +0,0 @@
-Type Workbooks = class
-
-public
-	Function Create();
-	Function Operator[](index);
-
-private
-	Function AddWorkbook(xlsx, name);  // Completed
-
-private
-	collection_;
-
-public
-	Function Add(template); // Completed
-	Function CanCheckOut(FileName);
-	Function CheckOut(FileName);
-	Function Close();
-	Function Open(FileName, UpdateLinks, ReadOnly, Format, Password, WriteResPassword,
-				  IgnoreReadOnlyRecommended, Origin, Delimiter, Editable, Notify,
-				  Converter, AddToMru, Local, CorruptLoad);	// Completed
-	Function OpenDatabase();
-	Function OpenText();
-	Function OpenXML();
-
-	property Application read ReadApplication;
-	property Count read ReadCount;
-	property Creator read ReadCreator;
-	property Item read ReadItem;
-	property Parent read ReadParent;
-	Function ReadCount();	// Completed
-	Function ReadItem(index);	// Completed
-	Function ReadApplication();
-	Function ReadCreator();
-	Function ReadParent();
-
-End;
-
-// ============== 实现 ================= //
-Function Workbooks.Create();
-Begin
-	collection_ := class(Collection).GetInstance('workbook');
-End;
-
-Function Workbooks.AddWorkbook(xlsx, fullname);
-Begin
-	name := ExtractFileName(fullname);
-	collection_.AddCollection(new Workbook(xlsx, name, fullname), name);
-End;
-
-Function Operator Workbooks.[](index);
-Begin
-	return collection_[index];
-End;
-
-Function Workbooks.Add(template);
-Begin
-	xlsx := new TSXlsxFile();
-	xlsx.NewFile();
-	AddWorkbook(xlsx, collection_.CalNewName("工作簿"));
-End;
-
-Function Workbooks.Open(FileName, UpdateLinks, ReadOnly, Format, Password, WriteResPassword,
-				  IgnoreReadOnlyRecommended, Origin, Delimiter, Editable, Notify,
-				  Converter, AddToMru, Local, CorruptLoad);	// Completed
-Begin
-	xlsx := new TSXlsxFile();
-	[err, msg] := xlsx.OpenFile("", FileName, Password);
-	if err then return;
-	AddWorkbook(xlsx, xlsx.FileName());
-End;
-
-Function Workbooks.ReadCount();
-Begin
-	return collection_.GetCount();
-End;
-
-Function Workbooks.ReadItem(index);
-Begin
-	return self[index];
-End;
-
diff --git a/xlsx/Worksheet.tsf b/xlsx/Worksheet.tsf
deleted file mode 100644
index 58dfeef..0000000
--- a/xlsx/Worksheet.tsf
+++ /dev/null
@@ -1,96 +0,0 @@
-Type Worksheet = class
-
-public
-	Function Create(obj, sheet_name, collection);
-
-private
-	xlsx_;
-	sheet_name_;
-	collection_;
-
-private
-	Function CalSheetName();
-
-public
-	Function Activate();	// Completed
-	Function Copy(arr);		// Completed
-	Function Calculate();
-	Function ChartObjects();
-	Function CheckSpelling();
-	Function CircleInvalid();
-	Function ClearArrows();
-	Function Delete();
-	Function Evaluate();
-	Function ExportAsFixedFormat();
-	Function Move();
-	Function OLEObjects();
-	Function Paste();
-	Function PasteSpecial();
-	Function PivotTables();
-	Function PivotTableWizard();
-	Function PrintOut();
-	Function PrintPreview();
-	Function Protect();
-	Function ResetAllPageBreaks();
-	Function SaveAs();
-	Function Scenarios();
-	Function Select();
-	Function SetBackgroundPicture();
-	Function ShowAllData();
-	Function ShowDataForm();
-	Function UnProtect();
-	Function XmlDataQuery();
-	Function XmlMapQuery();
-
-	// VBA Property
-	property Visible write WriteVisible;
-	property Name read ReadName write WriteName;
-	Function WriteVisible(value);
-	Function WriteName(new_name);
-	Function ReadName();
-
-End;
-
-// ============== 实现 ================= //
-Function Worksheet.Create(obj, sheet_name, collection);
-Begin
-	xlsx_ := obj;
-	sheet_name_ := sheet_name;
-	collection_ := collection;
-End;
-
-Function Worksheet.CalSheetName();
-Begin
-	count := xlsx_.GetSheetsCount();
-	sheets := xlsx_.GetSheets();
-	name := "Sheet" $ count;
-	while name in sheets do
-		name := "Sheet" $ ++count;
-	return name;
-End;
-
-Function Worksheet.Activate();
-Begin
-	collection_.SetActivation(sheet_name_);
-	return xlsx_.SetDefaultSheet(sheet_name_);
-End;
-
-Function Worksheet.Copy(arr);
-Begin
-	if not istable(arr) then return xlsx_.CopySheet(self.Name, CalSheetName());
-End;
-
-Function Worksheet.WriteVisible(value);
-Begin
-	return xlsx_.SetSheetVisible(sheet_name_, value);
-End;
-
-Function Worksheet.WriteName(new_name);
-Begin
-	return xlsx_.SetSheetName(sheet_name_, new_name);
-End;
-
-Function Worksheet.ReadName();
-Begin
-	return sheet_name_;
-End;
diff --git a/xlsx/Worksheets.tsf b/xlsx/Worksheets.tsf
deleted file mode 100644
index f22e4d3..0000000
--- a/xlsx/Worksheets.tsf
+++ /dev/null
@@ -1,66 +0,0 @@
-Type Worksheets = class
-
-public
-	Function Create(object, name);
-	Function Init();
-	Function Operator[](index);
-	Function GetCollection();
-
-private
-	xlsx_;
-	collection_;
-
-public
-	Function Add();
-	Function Add2();
-	Function Copy();
-	Function Delete();
-	Function FillAcrossSheets();
-	Function Move();
-	Function PrintOut();
-	Function PrintPreview();
-	Function Select();
-
-	property worksheet read ReadWorksheet;
-	property Count read ReadCount;
-	Function ReadWorksheet(index);
-	Function ReadCount();
-
-End;
-
-// ============== 实现 ================= //
-Function Worksheets.Create(object, name);
-Begin
-	xlsx_ := object;
-	collection_ := class(Collection).GetInstance(name $ "worksheet");
-	collection_.SetIgnoreCase(true);
-	Init();
-End;
-
-Function Worksheets.Init();
-Begin
-	sheets := xlsx_.GetSheets();
-	for k, v in sheets do
-		collection_.AddCollection(new Worksheet(xlsx_, v, collection_), v);
-	collection_.SetActivation(xlsx_.GetDefaultSheet());
-End;
-
-Function Operator Worksheets.[](index);
-Begin
-	return collection_[index];
-End;
-
-Function Worksheets.ReadWorksheet(index);
-Begin
-	return collection_[index];
-End;
-
-Function Worksheets.ReadCount();
-Begin
-	return collection_.GetCount();
-End;
-
-Function Worksheets.GetCollection();
-Begin
-	return collection_;
-End;
diff --git a/xlsx/XlsxApplication.tsf b/xlsx/XlsxApplication.tsf
deleted file mode 100644
index c0e34a9..0000000
--- a/xlsx/XlsxApplication.tsf
+++ /dev/null
@@ -1,32 +0,0 @@
-Type XlsxApplication = class
-
-public
-	Function Create();
-	Function Init();
-
-public
-	property Workbooks read ReadWorkbooks; // Completed
-	Function ReadWorkbooks(index);
-
-private
-	workbooks_;
-
-End;
-
-// ============== 实现 ================= //
-Function XlsxApplication.Create();
-Begin
-	Init();
-End;
-
-Function XlsxApplication.Init();
-Begin
-	workbooks_ := new Workbooks();
-End;
-
-Function XlsxApplication.ReadWorkbooks(index)
-Begin
-	if ifnil(index) then return workbooks_;
-	return workbooks_[index];
-End;
-