diff --git a/funcext/TSOffice/worksheet/xlsxWorkBook.tsf b/funcext/TSOffice/worksheet/xlsxWorkBook.tsf
index 86ab7f9..69e1ff6 100644
--- a/funcext/TSOffice/worksheet/xlsxWorkBook.tsf
+++ b/funcext/TSOffice/worksheet/xlsxWorkBook.tsf
@@ -253,10 +253,10 @@ Type xlsxWorkBook = Class
 	Function SetSheetName(sourceName, destName);
 	Begin
 		ind := sheetIndexMap_[ LowerCase(destName) ];
-		if ifint(ind) then return array(-3, sheet2 + ' is already exist.');
+		if ifint(ind) then return array(-3, destName + ' is already exist.');
 
 		ind := sheetIndexMap_[ LowerCase(sourceName) ];
-		if not ifint(ind) then return array(-4, sheet1 + ' is not exist.');
+		if not ifint(ind) then return array(-4, sourceName + ' is not exist.');
 
 		//设置 xl/workbook.xml
 		workbook := GetXmlFileObj('xl/workbook.xml');