diff --git a/hgdriver/hgdev/hg_scanner.cpp b/hgdriver/hgdev/hg_scanner.cpp
index ad8859a..a9785d0 100644
--- a/hgdriver/hgdev/hg_scanner.cpp
+++ b/hgdriver/hgdev/hg_scanner.cpp
@@ -586,8 +586,8 @@ void hg_scanner::dump_image_real(hg_imgproc::HIMGPRC himg, const char* desc)
 {
 	char	sn[40] = { 0 };
 
-	sprintf(sn, "_%03d.jpg", final_img_index_ + 1);
-	hg_imgproc::dump_2_file(himg, (dump_usb_path_ + PATH_SEPARATOR + desc + sn).c_str());
+	sprintf(sn, "%03d_", final_img_index_ + 1);
+	hg_imgproc::dump_2_file(himg, (dump_usb_path_ + PATH_SEPARATOR + sn + desc + ".jpg").c_str());
 }
 void hg_scanner::init_setting_func_map(void)
 {
@@ -2967,7 +2967,7 @@ int hg_scanner::save_usb_data(std::shared_ptr<tiny_buffer> data)
 		char	name[80] = { 0 };
 		FILE*	dst = nullptr;
 
-		sprintf(name, "%susb_img_%03u.jpg", PATH_SEPARATOR, usb_img_index_);
+		sprintf(name, "%s%03u_usb_img.jpg", PATH_SEPARATOR, usb_img_index_);
 		if ((dst = fopen((dump_usb_path_ + name).c_str(), "wb")))
 		{
 			unsigned int	off = 0, len = bytes;