diff --git a/utils/pdf/html_to_pdf.go b/utils/pdf/html_to_pdf.go
index 0469f936..1c89fed7 100644
--- a/utils/pdf/html_to_pdf.go
+++ b/utils/pdf/html_to_pdf.go
@@ -6,7 +6,7 @@ import (
 )
 
 // html转 Pdf dataType = 1 为网页url dataType = 2为网页内容 outFile为空则不保存
-func HtmlToPdf(content string, dataType int, outFile string) ([]byte, error) {
+func HtmlToPdf(content string, dataType int, outFile ...string) ([]byte, error) {
 	pdfg, err := wkhtmltopdf.NewPDFGenerator()
 	if err != nil {
 		return nil, err
@@ -26,8 +26,8 @@ func HtmlToPdf(content string, dataType int, outFile string) ([]byte, error) {
 		return nil, err
 	}
 	// Write PDF to file
-	if outFile != "" {
-		if err = pdfg.WriteFile(outFile); err != nil {
+	if len(outFile) != 0 {
+		if err = pdfg.WriteFile(outFile[0]); err != nil {
 			return nil, err
 		}
 	}