diff --git a/ExcelFile使用帮助.xlsx b/ExcelFile使用帮助.xlsx
index dcbc103..a4acb61 100644
Binary files a/ExcelFile使用帮助.xlsx and b/ExcelFile使用帮助.xlsx differ
diff --git a/Linux-x86_64/liboffice_plugin.so b/Linux-x86_64/liboffice_plugin.so
index e192195..a02d5c9 100644
Binary files a/Linux-x86_64/liboffice_plugin.so and b/Linux-x86_64/liboffice_plugin.so differ
diff --git a/funcext/TSOffice/TSExcelFile.tsf b/funcext/TSOffice/TSExcelFile.tsf
index 37758e2..5639cbd 100644
--- a/funcext/TSOffice/TSExcelFile.tsf
+++ b/funcext/TSOffice/TSExcelFile.tsf
@@ -406,13 +406,10 @@ Type TSExcelFile = Class
 	///sheet: string，工作表名称
 	///range:string，图表所处矩形区域，"A5:F10"
 	///chart:TChart对象
-	///返回: [err, info]
 	Function AddChart(sheet, range, chart);
 	Begin
 		o := getOj(sheet, 'xlsxChart');
-		if not ifObj(o) then return array(1, 'The sheet is not exist.');
-		if not ifObj(chart) then return array(2, 'Invalid chart param.');
-		return o.AddChart(range, chart);
+		if ifObj(chart) then return o.AddChart(range, chart);
 	End;
 
 	///获取图表列表