diff --git a/hgdriver/hgdev/image_process.cpp b/hgdriver/hgdev/image_process.cpp
index bfc3aca..dc0b3e1 100644
--- a/hgdriver/hgdev/image_process.cpp
+++ b/hgdriver/hgdev/image_process.cpp
@@ -842,7 +842,7 @@ namespace hg_imgproc
 
 			SIZE temp_Size = papersize_.GetPaperSize(img_conf_.papertype, dpi,img_conf_.paperAlign);
 			cv::Size cvSize(temp_Size.cx, temp_Size.cy);
-			CImageApplyAutoCrop crop(img_conf_.is_autocrop,img_conf_.autodescrew,img_conf_.fillbackground,cvSize,img_conf_.is_convex,img_conf_.isfillcolor);
+			CImageApplyAutoCrop crop(img_conf_.is_autocrop,img_conf_.autodescrew,img_conf_.fillbackground,cvSize,img_conf_.is_convex,img_conf_.isfillcolor, 30);
 
 			crop.apply(mats,img_conf_.is_duplex);
 			mats_ = mats;