diff --git a/hgdriver/hgdev/hg_scanner.cpp b/hgdriver/hgdev/hg_scanner.cpp
index 4b1f8ec..2baa791 100644
--- a/hgdriver/hgdev/hg_scanner.cpp
+++ b/hgdriver/hgdev/hg_scanner.cpp
@@ -5438,7 +5438,7 @@ void hg_scanner::image_process(std::shared_ptr<tiny_buffer>& buffer, uint32_t id
 		if (is_multiout)//239
 		{
 			int multi_out = img_conf_.multiOutput;
-			err = hg_imgproc::multi_out(ImagePrc_pHandle_, multi_out);
+			err = hg_imgproc::multi_out(ImagePrc_pHandle_, multi_out, bw_threshold_);
 			(this->*dump_img_)(ImagePrc_pHandle_, "multi_out");
 		}
 	}
diff --git a/hgdriver/hgdev/image_process.cpp b/hgdriver/hgdev/image_process.cpp
index dc0b3e1..ae7f2f4 100644
--- a/hgdriver/hgdev/image_process.cpp
+++ b/hgdriver/hgdev/image_process.cpp
@@ -758,13 +758,13 @@ namespace hg_imgproc
 			}
 			return SCANNER_ERR_OK;
 		}
-		int multi_out(int out_type)
+		int multi_out(int out_type, int bw_threshold)
 		{
 			std::vector<cv::Mat>	mats(mats_);
 			std::vector<cv::Mat>			mat;
 			mats_.clear();
 
-			IMageMulti output(out_type);
+			IMageMulti output(out_type, bw_threshold);
 
 			for(size_t i = 0;i < mats.size();i++)
 			{
@@ -1973,9 +1973,9 @@ namespace hg_imgproc
     {
 		return ((imgproc*)himg)->fadeback();
 	}
-	int multi_out(HIMGPRC himg,int out_type)
+	int multi_out(HIMGPRC himg, int out_type, int bw_threshold)
 	{
-		return ((imgproc*)himg)->multi_out(out_type);
+		return ((imgproc*)himg)->multi_out(out_type, bw_threshold);
 	}
 	int multi_out_red(HIMGPRC himg)
 	{
diff --git a/hgdriver/hgdev/image_process.h b/hgdriver/hgdev/image_process.h
index 945c747..e1320fc 100644
--- a/hgdriver/hgdev/image_process.h
+++ b/hgdriver/hgdev/image_process.h
@@ -182,7 +182,7 @@ namespace hg_imgproc
 	//拆分
 	int split(HIMGPRC himg,int split3399);
 	int fadeback(HIMGPRC himg);
-	int multi_out(HIMGPRC himg,int out_type);
+	int multi_out(HIMGPRC himg,int out_type, int bw_threshold);
 	int multi_out_red(HIMGPRC himg);
 	int auto_matic_color(HIMGPRC himg,int color_type);
 	int auto_crop(HIMGPRC himg, float dpi);