diff --git a/hgdriver/hgdev/hg_scanner.cpp b/hgdriver/hgdev/hg_scanner.cpp
index 4d649e5..84c7678 100644
--- a/hgdriver/hgdev/hg_scanner.cpp
+++ b/hgdriver/hgdev/hg_scanner.cpp
@@ -98,7 +98,7 @@ hg_scanner::hg_scanner(ScannerSerial serial
 					, double_paper_handle_(0), keep_watermark_(false), save_feedmode_type_(false), feedmode_(1), sleeptime_(-1),split3399_(0)
 					, async_io_(false), is_white_0_(true), isremove_left_hole(false), isremove_right_hole(false), isremove_top_hole(false), isremove_low_hole(false)
 					, isremove_left_hole_threshold(0), isremove_right_hole_threshold(0), isremove_top_hole_threshold(0), isremove_low_hole_threshold(0)
-					, dump_usb_path_("")
+					, dump_usb_path_(""),is_kernelsnap_211209_(false), pid_(0)
 {
 	final_path_ = hg_log::ini_get("paths", "final_img");
 	if(final_path_.empty())
@@ -3257,3 +3257,193 @@ int hg_scanner::get_scan_is_sleep(void)
 	return SCANNER_ERR_DEVICE_NOT_SUPPORT;
 }
 
+void hg_scanner::image_process(std::shared_ptr<tiny_buffer>& buffer)
+{
+	int ret = SCANNER_ERR_OK;
+	hg_imgproc::HIMGPRC		handle = get_image_process_object(pid_);
+	hg_imgproc::IMGHEAD		ih;
+	int						err = SCANNER_ERR_OK,
+		index = 0;
+	void* buf = NULL;
+
+	hg_imgproc::load_buffer(handle, buffer);
+	hg_imgproc::decode(handle, pid_);
+
+
+	if ((isremove_left_hole || isremove_right_hole || isremove_top_hole || isremove_low_hole) && (pid_ != 0x239 && pid_ != 0x439))
+	{
+		ret = hg_imgproc::fillhole(handle, isremove_top_hole_threshold, isremove_low_hole_threshold, isremove_left_hole_threshold, isremove_right_hole_threshold);
+	}
+
+	/////////////////////////////////////111111111111111111111111111//////////////////////////////////
+	if (pid_ != 0x239 && pid_ != 0x439)
+		ret = hg_imgproc::auto_crop(handle);  //首次必须先调用这个算法
+
+
+	if ((img_conf_.is_autodiscradblank_normal || img_conf_.is_autodiscradblank_vince) && (pid_ != 0x239 && pid_ != 0x439))
+	{
+		ret = hg_imgproc::discardBlank(handle);
+		//HG_LOGHG_LOG_LEVEL_DEBUG_INFO,"丢弃空白页开启\r\n");
+	}
+	if (img_conf_.fadeback) //239
+	{
+		hg_imgproc::fadeback(handle, img_conf_.fadebackrange, img_conf_.is_duplex);
+		//HG_LOGHG_LOG_LEVEL_DEBUG_INFO,"背景除色开启\r\n");
+	}
+	if ((img_conf_.resolution_dst != img_conf_.resolution_native) && (pid_ != 0x239 && pid_ != 0x439))
+	{
+		hg_imgproc::resolution_change(handle);
+		//HG_LOGHG_LOG_LEVEL_DEBUG_INFO,"dpi改变开启\r\n");
+	}
+	if ((img_conf_.cropRect.enable && !img_conf_.is_autocrop) && (pid_ != 0x239 && pid_ != 0x439))
+	{
+		hg_imgproc::croprect(handle);
+		//HG_LOGHG_LOG_LEVEL_DEBUG_INFO,"手动裁图开启\r\n");
+	}
+	if ((img_conf_.filter != ColorFilter::FILTER_NONE && (img_conf_.pixtype == COLOR_MODE_BLACK_WHITE || img_conf_.pixtype == COLOR_MODE_256_GRAY)) && (pid_ != 0x239 && pid_ != 0x439))
+	{
+		hg_imgproc::channel(handle);
+		//HG_LOGHG_LOG_LEVEL_DEBUG_INFO,"除色开启\r\n");
+	}
+	/////////////////////////////////////2222222222222222222222222222222222222//////////////////////////////////
+	if (pid_ != 0x239 && pid_ != 0x439)
+	{
+		adjust_color(handle);
+	}
+
+
+	if ((img_conf_.pixtype == COLOR_MODE_24_BITS && img_conf_.hsvcorrect) && (pid_ != 0x239 && pid_ != 0x439))
+	{
+		hg_imgproc::answerSheetFilterRed(handle);
+		//HG_LOGHG_LOG_LEVEL_DEBUG_INFO,"答题卡出红开启\r\n");
+	}
+	if ((img_conf_.refuseInflow) && (pid_ != 0x239 && pid_ != 0x439))
+	{
+		int lv = 5;
+
+		if (image_prc_param_.bits.is_permeate_lv_ == 0)
+			lv = 5;
+		else if (image_prc_param_.bits.is_permeate_lv_ == 1)
+			lv = 15;
+		else if (image_prc_param_.bits.is_permeate_lv_ == 2)
+			lv = 25;
+		else if (image_prc_param_.bits.is_permeate_lv_ == 3)
+			lv = 35;
+		else if (image_prc_param_.bits.is_permeate_lv_ == 4)
+			lv = 45;
+
+		hg_imgproc::antiInflow(handle, lv);
+	}
+	if ((img_conf_.colorCorrection && img_conf_.pixtype != COLOR_MODE_BLACK_WHITE) && (pid_ != 0x239 && pid_ != 0x439))
+	{
+		hg_imgproc::colorCorrection(handle);
+		//HG_LOGHG_LOG_LEVEL_DEBUG_INFO,"颜色校正开启\r\n");
+	}
+
+	if (((img_conf_.imageRotateDegree != TEXT_DIRECTION_0 || img_conf_.is_backrotate180) && (!img_conf_.is_autotext)) && (pid_ != 0x239 && pid_ != 0x439))
+	{
+		hg_imgproc::orentation(handle);
+		//HG_LOGHG_LOG_LEVEL_DEBUG_INFO,"自动旋转开启\r\n");
+	}
+	if ((img_conf_.removeMorr) && (pid_ != 0x239 && pid_ != 0x439))
+	{
+		hg_imgproc::textureRemove(handle);
+		//HG_LOGHG_LOG_LEVEL_DEBUG_INFO,"除摩尔纹开启\r\n");
+	}
+	if ((img_conf_.detachnoise.is_detachnoise) && (pid_ != 0x239 && pid_ != 0x439))
+	{
+		hg_imgproc::nosieDetach(handle);
+		//HG_LOGHG_LOG_LEVEL_DEBUG_INFO,"噪点优化开启\r\n");
+	}
+	if ((img_conf_.pixtype == COLOR_MODE_BLACK_WHITE) && (pid_ != 0x239 && pid_ != 0x439))
+	{
+		hg_imgproc::errorextention(handle);
+		//HG_LOGHG_LOG_LEVEL_DEBUG_INFO,"黑白图处理开启\r\n");
+	}
+	if ((img_conf_.en_fold) && (pid_ != 0x239 && pid_ != 0x439))
+	{
+		hg_imgproc::fold(handle);
+		//HG_LOGHG_LOG_LEVEL_DEBUG_INFO,"对折开启\r\n");
+	}
+
+	///////////////////////////////////
+
+	if (img_conf_.multi_output_red && img_conf_.pixtype == COLOR_MODE_24_BITS)//239
+	{
+		err = hg_imgproc::multi_out_red(handle); 
+		//HG_LOGHG_LOG_LEVEL_DEBUG_INFO,"多流出红开启\r\n");
+	}
+
+
+	if ((img_conf_.sharpen) && (pid_ != 0x239 && pid_ != 0x439))
+	{
+		hg_imgproc::sharpenType(handle);
+	}
+
+	if (image_prc_param_.bits.split) //239
+	{
+		split3399_++;
+		int colormode = 1;
+		if (img_conf_.filter == RID_COLOR_NONE)
+			colormode = img_conf_.pixtype;
+
+		err = hg_imgproc::split(handle, img_conf_.multiOutput, img_conf_.splitImage, img_conf_.multi_output_red, colormode, img_conf_.is_duplex, split3399_, is_kernelsnap_211209_);
+		VLOG_MINI_5(LOG_LEVEL_DEBUG_INFO, "img  split-> multiOutput is:%d splitImage is:%d  multi_output_red is:%d  pixtype is:%d is_duplex:%d\r\n"
+			, img_conf_.multiOutput
+			, img_conf_.splitImage
+			, img_conf_.multi_output_red
+			, img_conf_.pixtype
+			, img_conf_.is_duplex);
+	}
+
+	if (!img_conf_.splitImage || !img_conf_.multi_output_red || !is_multiout) //239
+	{
+		if (img_conf_.automaticcolor)
+		{
+			hg_imgproc::auto_matic_color(handle, img_conf_.automaticcolortype);
+			//HG_LOGHG_LOG_LEVEL_DEBUG_INFO,"颜色自动识别开启\r\n");
+		}
+	}
+	if (img_conf_.is_autotext)//239
+	{
+		printf("文本方向自动识别\r\n");
+		hg_imgproc::ocr_auto_txtdirect(handle);
+	}
+	if (is_quality_ == IMG_SPEED && resolution_ >= 300)//239
+	{
+		err = hg_imgproc::quality(handle, resolution_);
+	}
+	//多流输出最后处理
+	if (is_multiout)//239
+	{
+		int multi_out = img_conf_.multiOutput;
+		err = hg_imgproc::multi_out(handle, multi_out);
+	}
+
+	hg_imgproc::final(handle);
+	while (hg_imgproc::get_final_data(handle, &ih, &buf, index++) == SCANNER_ERR_OK)
+	{
+		VLOG_MINI_5(LOG_LEVEL_DEBUG_INFO, "Final picture %d (%d * %d * %d) with %u bytes!\n", index
+			, ih.width, ih.height, ih.bits * ih.channels, ih.total_bytes);
+
+		if (!img_type_.empty())
+		{
+			std::vector<unsigned char>bmpdata;
+			//cv::imencode(img_type_,*((cv::Mat*)buf),bmpdata);
+			hg_imgproc::imgtypechange(handle, img_type_, buf, bmpdata);
+			if (bmpdata.empty())
+			{
+				status_ = SCANNER_ERR_NO_DATA;
+				return;
+			}
+			buf = bmpdata.data();
+			ih.total_bytes = bmpdata.size();
+
+			VLOG_MINI_6(LOG_LEVEL_DEBUG_INFO, "Set img type is:%s Final picture %d (%d * %d * %d) with %u bytes!\n", img_type_.c_str(), index
+				, ih.width, ih.height, ih.bits * ih.channels, ih.total_bytes);
+		}
+		save_final_image(&ih, buf);
+	}
+
+	hg_imgproc::release(handle);
+}
\ No newline at end of file
diff --git a/hgdriver/hgdev/hg_scanner.h b/hgdriver/hgdev/hg_scanner.h
index 761e478..63b09b7 100644
--- a/hgdriver/hgdev/hg_scanner.h
+++ b/hgdriver/hgdev/hg_scanner.h
@@ -67,7 +67,7 @@ class hg_scanner
     void working_done(void*);
 
     
-
+    void image_process(std::shared_ptr<tiny_buffer>& buff);
     void reset_custom_area_range(int paper);
     int  set_color_change(void);
 
@@ -189,7 +189,6 @@ protected:
 	virtual int set_setting_value(int setting_no, void* data, int len);
 	virtual int on_scanner_closing(bool force);
     virtual void thread_handle_usb_read(void) = 0;
-    virtual void image_process(std::shared_ptr<tiny_buffer>& buff) = 0;
 
     // adjust color or apply custom gamma 
     void adjust_color(hg_imgproc::HIMGPRC handle);
@@ -252,6 +251,8 @@ protected:
     double          isremove_low_hole_threshold;    //设置下边除穿孔阈值
 
     int             split3399_; //3399设备正面和反面图像是相对的，所以对折时反面需要进行特殊处理
+    int             pid_;       
+    bool		    is_kernelsnap_211209_; //获取固件版本号是否是新旧版本
 
     SCANCONF 	img_conf_;  //此参数外部不做任何改变，请在writedown_image_configuration做修改
     std::string img_type_;
diff --git a/hgdriver/hgdev/hg_scanner_200.cpp b/hgdriver/hgdev/hg_scanner_200.cpp
index 16f33f9..0a8ad13 100644
--- a/hgdriver/hgdev/hg_scanner_200.cpp
+++ b/hgdriver/hgdev/hg_scanner_200.cpp
@@ -214,8 +214,9 @@ enum hg_239_setting_item
 
 
 
-hg_scanner_200::hg_scanner_200(const char* dev_name,int pid, usb_io* io) : hg_scanner(G100Serial, dev_name, io), pid_(pid)
+hg_scanner_200::hg_scanner_200(const char* dev_name,int pid, usb_io* io) : hg_scanner(G100Serial, dev_name, io)
 {
+	pid_ = pid;
 	string fw = get_firmware_version();
 	VLOG_MINI_1(LOG_LEVEL_DEBUG_INFO, "get_firmware_version is: %s\n",fw.c_str());
 	initdevice();
diff --git a/hgdriver/hgdev/hg_scanner_200.h b/hgdriver/hgdev/hg_scanner_200.h
index 867eb97..8e54bca 100644
--- a/hgdriver/hgdev/hg_scanner_200.h
+++ b/hgdriver/hgdev/hg_scanner_200.h
@@ -26,7 +26,7 @@ class hg_scanner_200 : public hg_scanner
 protected:
 	virtual int on_scanner_closing(bool force) override;
 	virtual void thread_handle_usb_read(void) override;
-	virtual void image_process(std::shared_ptr<tiny_buffer>& buff) override;
+	virtual void image_process(std::shared_ptr<tiny_buffer>& buff) ;
 
 
 	virtual int on_color_mode_changed(int& color_mode); // COLOR_MODE_xxx
@@ -63,9 +63,6 @@ private:
 	HGSCANCONF_DSP dsp_config_;
 	int agreement();
 
-private:
-	int pid_;
-
 public:
  	virtual int set_leaflet_scan(void);//单张扫描	
   	virtual int get_abuot_info(void);//获取软件关于信息
diff --git a/hgdriver/hgdev/hg_scanner_239.cpp b/hgdriver/hgdev/hg_scanner_239.cpp
index 68af3a9..f6a5341 100644
--- a/hgdriver/hgdev/hg_scanner_239.cpp
+++ b/hgdriver/hgdev/hg_scanner_239.cpp
@@ -442,8 +442,9 @@ enum  PaperSize_
 /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 // class ...
 hg_scanner_239::hg_scanner_239(const char* dev_name, int pid,usb_io* io) : hg_scanner(G20039Serial, dev_name, io)
-																 , rewrite_conf_(false), reset_(false),pid_(pid),is_start_status(false)
+																 , rewrite_conf_(false), reset_(false),is_start_status(false)
 {
+	pid_ = pid;
 	VLOG_MINI_1(LOG_LEVEL_DEBUG_INFO, "hg_scanner_239(%s) constructing ...\n", hg_log::format_ptr(this).c_str());
 	dev_conf_.value = 0;
 #ifndef MAPPING_FUNCTION_IN_BASE
@@ -733,7 +734,6 @@ void hg_scanner_239::image_process(std::shared_ptr<tiny_buffer>& buff)
 	}
 	if (img_conf_.is_autotext)
 	{
-		printf("文本方向自动识别11111\r\n");
 		hg_imgproc::ocr_auto_txtdirect(handle);
 	}
 	if (is_quality_ == IMG_SPEED && resolution_ >= 300)
diff --git a/hgdriver/hgdev/hg_scanner_239.h b/hgdriver/hgdev/hg_scanner_239.h
index 58feb13..9393b88 100644
--- a/hgdriver/hgdev/hg_scanner_239.h
+++ b/hgdriver/hgdev/hg_scanner_239.h
@@ -23,11 +23,9 @@ class hg_scanner_239 : public hg_scanner
 	//BlockingQueue<std::shared_ptr<std::vector<unsigned char>>> final_imgs_;	// JPG ...
 //	image_data	final_imgs_;	// JPG ..
 	
-	int			pid_;
 	HGSCANCONF	dev_conf_;
 	bool		rewrite_conf_;
 	bool		reset_;
-	bool		is_kernelsnap_211209_;
 	bool		is_start_status; 
 
 	int read_register(int addr, int* val);
@@ -79,7 +77,7 @@ protected:
 	virtual void on_device_reconnected(void) override;
 	virtual int on_scanner_closing(bool force) override;
 	virtual void thread_handle_usb_read(void) override;
-	virtual void image_process(std::shared_ptr<tiny_buffer>& buff) override;
+	virtual void image_process(std::shared_ptr<tiny_buffer>& buff) ;
 
 public:
 	hg_scanner_239(const char* dev_name, int pid,usb_io* io);
diff --git a/hgdriver/hgdev/hg_scanner_300.cpp b/hgdriver/hgdev/hg_scanner_300.cpp
index ba6d74f..5f8f1bd 100644
--- a/hgdriver/hgdev/hg_scanner_300.cpp
+++ b/hgdriver/hgdev/hg_scanner_300.cpp
@@ -193,8 +193,9 @@ enum hg_239_setting_item
 
 
 
-hg_scanner_300::hg_scanner_300(const char* dev_name,int pid, usb_io* io) : hg_scanner(G100Serial, dev_name, io),pid_(pid),papersize(pid)
+hg_scanner_300::hg_scanner_300(const char* dev_name,int pid, usb_io* io) : hg_scanner(G100Serial, dev_name, io),papersize(pid)
 {
+	pid_ = pid;
 	string fw = get_firmware_version();
 
 	initdevice();
diff --git a/hgdriver/hgdev/hg_scanner_300.h b/hgdriver/hgdev/hg_scanner_300.h
index 1f87a43..90a80ba 100644
--- a/hgdriver/hgdev/hg_scanner_300.h
+++ b/hgdriver/hgdev/hg_scanner_300.h
@@ -25,7 +25,7 @@ class hg_scanner_300 : public hg_scanner
 protected:
 	virtual int on_scanner_closing(bool force) override;
 	virtual void thread_handle_usb_read(void) override;
-	virtual void image_process(std::shared_ptr<tiny_buffer>& buff) override;
+	virtual void image_process(std::shared_ptr<tiny_buffer>& buff) ;
 
 
 	virtual int on_color_mode_changed(int& color_mode); // COLOR_MODE_xxx
@@ -64,7 +64,6 @@ private:
 	virtual std::string get_serial_num(void) override;
 
 private:
-	int pid_;
 	std::vector<int> savestatus_;
 	HGSCANCONF_G400 dsp_config;
 	Device::PaperSize papersize;
diff --git a/hgdriver/hgdev/hg_scanner_302.cpp b/hgdriver/hgdev/hg_scanner_302.cpp
index 3a610b9..8b6e482 100644
--- a/hgdriver/hgdev/hg_scanner_302.cpp
+++ b/hgdriver/hgdev/hg_scanner_302.cpp
@@ -414,8 +414,9 @@ enum  PaperSize_
 /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 // class ...
 hg_scanner_302::hg_scanner_302(const char* dev_name, int pid,usb_io* io) : hg_scanner(G20039Serial, dev_name, io)
-																 , rewrite_conf_(false), reset_(false),pid_(pid)
+																 , rewrite_conf_(false), reset_(false)
 {
+	pid_ = pid;
 	VLOG_MINI_1(LOG_LEVEL_DEBUG_INFO, "hg_scanner_302(%s) constructing ...\n", hg_log::format_ptr(this).c_str());
 	dev_conf_.value = 0;
 #ifndef MAPPING_FUNCTION_IN_BASE
diff --git a/hgdriver/hgdev/hg_scanner_302.h b/hgdriver/hgdev/hg_scanner_302.h
index 4a5e895..1fb4129 100644
--- a/hgdriver/hgdev/hg_scanner_302.h
+++ b/hgdriver/hgdev/hg_scanner_302.h
@@ -23,11 +23,9 @@ class hg_scanner_302 : public hg_scanner
 	//BlockingQueue<std::shared_ptr<std::vector<unsigned char>>> final_imgs_;	// JPG ...
 //	image_data	final_imgs_;	// JPG ..
 	
-	int			pid_;
 	HGSCANCONF	dev_conf_;
 	bool		rewrite_conf_;
 	bool		reset_;
-	bool		is_kernelsnap_211209_;
 
 	int read_register(int addr, int* val);
 	int write_register(int addr, int val);
@@ -73,7 +71,7 @@ protected:
 	virtual void on_device_reconnected(void) override;
 	virtual int on_scanner_closing(bool force) override;
 	virtual void thread_handle_usb_read(void) override;
-	virtual void image_process(std::shared_ptr<tiny_buffer>& buff) override;
+	virtual void image_process(std::shared_ptr<tiny_buffer>& buff) ;
 
 public:
 	hg_scanner_302(const char* dev_name, int pid,usb_io* io);
diff --git a/hgdriver/hgdev/hg_scanner_400.cpp b/hgdriver/hgdev/hg_scanner_400.cpp
index 8610689..a72e54b 100644
--- a/hgdriver/hgdev/hg_scanner_400.cpp
+++ b/hgdriver/hgdev/hg_scanner_400.cpp
@@ -193,8 +193,9 @@ enum hg_239_setting_item
 
 
 
-hg_scanner_400::hg_scanner_400(const char* dev_name,int pid, usb_io* io) : hg_scanner(G100Serial, dev_name, io),pid_(pid),papersize(pid)
+hg_scanner_400::hg_scanner_400(const char* dev_name,int pid, usb_io* io) : hg_scanner(G100Serial, dev_name, io),papersize(pid)
 {
+	pid_ = pid;
 	string fw = get_firmware_version();
 
 	initdevice();
diff --git a/hgdriver/hgdev/hg_scanner_400.h b/hgdriver/hgdev/hg_scanner_400.h
index 5eded8a..7b986f8 100644
--- a/hgdriver/hgdev/hg_scanner_400.h
+++ b/hgdriver/hgdev/hg_scanner_400.h
@@ -25,7 +25,7 @@ class hg_scanner_400 : public hg_scanner
 protected:
 	virtual int on_scanner_closing(bool force) override;
 	virtual void thread_handle_usb_read(void) override;
-	virtual void image_process(std::shared_ptr<tiny_buffer>& buff) override;
+	virtual void image_process(std::shared_ptr<tiny_buffer>& buff) ;
 
 
 	virtual int on_color_mode_changed(int& color_mode); // COLOR_MODE_xxx
@@ -66,7 +66,6 @@ private:
 
 
 private:
-	int pid_;
 	HGSCANCONF_G400 dsp_config;
 	Device::PaperSize papersize;
 
diff --git a/hgdriver/hgdev/hg_scanner_402.cpp b/hgdriver/hgdev/hg_scanner_402.cpp
index b3421f4..30e123b 100644
--- a/hgdriver/hgdev/hg_scanner_402.cpp
+++ b/hgdriver/hgdev/hg_scanner_402.cpp
@@ -418,8 +418,9 @@ enum  PaperSize_
 /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 // class ...
 hg_scanner_402::hg_scanner_402(const char* dev_name, int pid,usb_io* io) : hg_scanner(G20039Serial, dev_name, io)
-																 , rewrite_conf_(false), reset_(false),pid_(pid)
+																 , rewrite_conf_(false), reset_(false)
 {
+	pid_ = pid;
 	VLOG_MINI_1(LOG_LEVEL_DEBUG_INFO, "hg_scanner_402(%s) constructing ...\n", hg_log::format_ptr(this).c_str());
 	dev_conf_.value = 0;
 #ifndef MAPPING_FUNCTION_IN_BASE
diff --git a/hgdriver/hgdev/hg_scanner_402.h b/hgdriver/hgdev/hg_scanner_402.h
index d9defcf..f0bd04f 100644
--- a/hgdriver/hgdev/hg_scanner_402.h
+++ b/hgdriver/hgdev/hg_scanner_402.h
@@ -23,11 +23,9 @@ class hg_scanner_402 : public hg_scanner
 	//BlockingQueue<std::shared_ptr<std::vector<unsigned char>>> final_imgs_;	// JPG ...
 //	image_data	final_imgs_;	// JPG ..
 	
-	int			pid_;
 	HGSCANCONF	dev_conf_;
 	bool		rewrite_conf_;
 	bool		reset_;
-	bool		is_kernelsnap_211209_;
 
 	int read_register(int addr, int* val);
 	int write_register(int addr, int val);
@@ -73,7 +71,7 @@ protected:
 	virtual void on_device_reconnected(void) override;
 	virtual int on_scanner_closing(bool force) override;
 	virtual void thread_handle_usb_read(void) override;
-	virtual void image_process(std::shared_ptr<tiny_buffer>& buff) override;
+	virtual void image_process(std::shared_ptr<tiny_buffer>& buff);
 
 public:
 	hg_scanner_402(const char* dev_name, int pid,usb_io* io);
diff --git a/hgdriver/hgdev/hg_scanner_439.cpp b/hgdriver/hgdev/hg_scanner_439.cpp
index f9a251d..505df10 100644
--- a/hgdriver/hgdev/hg_scanner_439.cpp
+++ b/hgdriver/hgdev/hg_scanner_439.cpp
@@ -412,8 +412,9 @@ enum  PaperSize_
 /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 // class ...
 hg_scanner_439::hg_scanner_439(const char* dev_name, int pid,usb_io* io) : hg_scanner(G20039Serial, dev_name, io)
-																 , rewrite_conf_(false), reset_(false),pid_(pid)
+																 , rewrite_conf_(false), reset_(false)
 {
+	pid_ = pid;
 	VLOG_MINI_1(LOG_LEVEL_DEBUG_INFO, "hg_scanner_439(%s) constructing ...\n", hg_log::format_ptr(this).c_str());
 	dev_conf_.value = 0;
 #ifndef MAPPING_FUNCTION_IN_BASE
diff --git a/hgdriver/hgdev/hg_scanner_439.h b/hgdriver/hgdev/hg_scanner_439.h
index e91a697..01888bd 100644
--- a/hgdriver/hgdev/hg_scanner_439.h
+++ b/hgdriver/hgdev/hg_scanner_439.h
@@ -23,11 +23,9 @@ class hg_scanner_439 : public hg_scanner
 	//BlockingQueue<std::shared_ptr<std::vector<unsigned char>>> final_imgs_;	// JPG ...
 //	image_data	final_imgs_;	// JPG ..
 	
-	int			pid_;
 	HGSCANCONF	dev_conf_;
 	bool		rewrite_conf_;
 	bool		reset_;
-	bool		is_kernelsnap_211209_;
 
 	int read_register(int addr, int* val);
 	int write_register(int addr, int val);
@@ -70,7 +68,7 @@ protected:
 	virtual void on_device_reconnected(void) override;
 	virtual int on_scanner_closing(bool force) override;
 	virtual void thread_handle_usb_read(void) override;
-	virtual void image_process(std::shared_ptr<tiny_buffer>& buff) override;
+	virtual void image_process(std::shared_ptr<tiny_buffer>& buff);
 
 public:
 	hg_scanner_439(const char* dev_name, int pid,usb_io* io);
diff --git a/hgdriver/hgdev/image_process.cpp b/hgdriver/hgdev/image_process.cpp
index 69febc6..fd176f6 100644
--- a/hgdriver/hgdev/image_process.cpp
+++ b/hgdriver/hgdev/image_process.cpp
@@ -306,10 +306,10 @@ namespace hg_imgproc
 			}
 			buffs.clear();
 			VLOG_MINI_2(LOG_LEVEL_DEBUG_INFO, "Decode %u bytes to %u picture(s)\n", origin, mats_.size());
-            if(mats_.size() == 0)
-            {
-                return SCANNER_ERR_NO_DATA;
-            }
+			if (mats_.empty())
+			{
+				return SCANNER_ERR_NO_DATA;
+			}
 			return SCANNER_ERR_OK;
 		}
 	public:
@@ -320,6 +320,10 @@ namespace hg_imgproc
 
 			rot.apply(mats_, img_conf_.is_duplex);
 
+			if (mats_.empty())
+			{
+				return SCANNER_ERR_NO_DATA;
+			}
 			return SCANNER_ERR_OK;
 		}
 
@@ -353,8 +357,6 @@ namespace hg_imgproc
 				mats_.push_back(matex.mat);
 				i++;
 			}
-			if(fpga_ver)
-			{
 				CImageApplyRotation::RotationType rotatetype = CImageApplyRotation::RotationType::Invalid;
 				switch (pid_)
 				{
@@ -370,8 +372,10 @@ namespace hg_imgproc
 				}
 				CImageApplyRotation Rotation(rotatetype,false,img_conf_.resolution_native,"./tessdata");
 				Rotation.apply(mats_,img_conf_.is_duplex);
-			}
-			
+				if (mats_.empty())
+				{
+					return SCANNER_ERR_NO_DATA;
+				}
 			return SCANNER_ERR_OK;
 		}
         int fadeback(int range,bool is_duplex)
@@ -393,6 +397,10 @@ namespace hg_imgproc
 	
 			}
 
+			if (mats_.empty())
+			{
+				return SCANNER_ERR_NO_DATA;
+			}
 			return SCANNER_ERR_OK;
 		}
 		int multi_out(void)
@@ -444,6 +452,10 @@ namespace hg_imgproc
 				}
 			}
 
+			if (mats_.empty())
+			{
+				return SCANNER_ERR_NO_DATA;
+			}
 			return SCANNER_ERR_OK;
 		}
 
@@ -468,7 +480,11 @@ namespace hg_imgproc
 				 	// cv::imwrite(filename,mat[j]);
 				}
 			}
-				return SCANNER_ERR_OK;
+			if (mats_.empty())
+			{
+				return SCANNER_ERR_NO_DATA;
+			}
+			return SCANNER_ERR_OK;
 		}
 		int multi_out_red()
 		{
@@ -491,7 +507,11 @@ namespace hg_imgproc
 				// cv::imwrite(filename,mats_[i]);
 				// printf("fadeback.size :%d  ,filename is =%s\r\n",mats_.size(),filename.c_str());
 			}	
-				return SCANNER_ERR_OK;
+			if (mats_.empty())
+			{
+				return SCANNER_ERR_NO_DATA;
+			}
+			return SCANNER_ERR_OK;
 		}
 		int auto_matic_color(int color_type)
 		{
@@ -508,7 +528,11 @@ namespace hg_imgproc
 				
 				mats_.push_back(mats[i]);
 			}
-			return ret;
+			if (mats_.empty())
+			{
+				return SCANNER_ERR_NO_DATA;
+			}
+			return SCANNER_ERR_OK;
 		}
 		/*pixtype 0 colcor; 1 gray; 2 bw*/
 		int auto_crop()
@@ -525,7 +549,11 @@ namespace hg_imgproc
 			mats_ = mats;
 			//cv::imwrite("/home/huagao/Desktop/mats_.jpg",mats_[0]);
 			
-			return ret;
+			if (mats_.empty())
+			{
+				return SCANNER_ERR_NO_DATA;
+			}
+			return SCANNER_ERR_OK;
 		}
 		int fillhole(float top,float low,float l,float r)
 		{
@@ -545,7 +573,11 @@ namespace hg_imgproc
 			outh.apply(mats,img_conf_.is_duplex);			
 			mats_ = mats;
 
-			return ret; 
+			if (mats_.empty())
+			{
+				return SCANNER_ERR_NO_DATA;
+			}
+			return SCANNER_ERR_OK;
 		}
 		int resolution_change()
 		{
@@ -570,7 +602,11 @@ namespace hg_imgproc
 			if(!mats.empty())
 			mats_ = mats;
 			
-			return ret;
+			if (mats_.empty())
+			{
+				return SCANNER_ERR_NO_DATA;
+			}
+			return SCANNER_ERR_OK;
 		}
 		int croprect()
 		{
@@ -585,7 +621,11 @@ namespace hg_imgproc
 				mats_.push_back(mats[i]);
 			}
 
-			return ret;
+			if (mats_.empty())
+			{
+				return SCANNER_ERR_NO_DATA;
+			}
+			return SCANNER_ERR_OK;
 		}
 		int channel()
 		{
@@ -601,7 +641,11 @@ namespace hg_imgproc
 				mats_.push_back(mats[i]);
 			}
 
-			return ret;
+			if (mats_.empty())
+			{
+				return SCANNER_ERR_NO_DATA;
+			}
+			return SCANNER_ERR_OK;
 		}
 		int adjust_color(unsigned char* gamma_table = nullptr, int tableLength = 0)
 		{
@@ -632,9 +676,13 @@ namespace hg_imgproc
 				//cv::imwrite("/home/huagao/Desktop/customgamma2.jpg",mats_[0]);
 			}
 			mats_ = mats;
-			return ret;
+			if (mats_.empty())
+			{
+				return SCANNER_ERR_NO_DATA;
+			}
+			return SCANNER_ERR_OK;
 		}
-		//防止渗�?
+
 		int 	antiInflow(int permeate_lv)
 		{
 			int ret = SCANNER_ERR_OK;
@@ -648,9 +696,13 @@ namespace hg_imgproc
 				mats_.push_back(mats[i]);
 			}
 
-			return ret;
+			if (mats_.empty())
+			{
+				return SCANNER_ERR_NO_DATA;
+			}
+			return SCANNER_ERR_OK;
 		}
-		//色彩校正
+
 		int colorCorrection()
 		{
 			int ret = SCANNER_ERR_OK;
@@ -661,9 +713,13 @@ namespace hg_imgproc
 			con.apply(mats,img_conf_.is_duplex);
 			mats_= mats;
 
-			return ret;
+			if (mats_.empty())
+			{
+				return SCANNER_ERR_NO_DATA;
+			}
+			return SCANNER_ERR_OK;
 		}
-		//图像旋转
+
 		int 	orentation()
 		{
 			int ret = SCANNER_ERR_OK;
@@ -702,10 +758,13 @@ namespace hg_imgproc
 			Rotation.apply(mats,img_conf_.is_duplex);
 			mats_ = mats;
 			
-//#endif
-			return ret;
+			if (mats_.empty())
+			{
+				return SCANNER_ERR_NO_DATA;
+			}
+			return SCANNER_ERR_OK;
 	}
-		//除网�?
+
 		int 	textureRemove()
 		{
 			int ret = SCANNER_ERR_OK;
@@ -717,9 +776,12 @@ namespace hg_imgproc
 				Removal.apply(mats,img_conf_.is_duplex);
 				mats_ = mats;
 
-			return ret;
+				if (mats_.empty())
+				{
+					return SCANNER_ERR_NO_DATA;
+				}
+				return SCANNER_ERR_OK;
 		}
-		//锐化
 		int 	sharpenType()
 		{
 			int ret = SCANNER_ERR_OK;
@@ -733,9 +795,12 @@ namespace hg_imgproc
 				Filte.apply(mats[i],img_conf_.is_duplex);
 				mats_.push_back(mats[i]);
 			}
-			return ret;
+			if (mats_.empty())
+			{
+				return SCANNER_ERR_NO_DATA;
+			}
+			return SCANNER_ERR_OK;
 		}
-		//黑白降噪
 		int		nosieDetach()
 		{
 			int ret = SCANNER_ERR_OK;
@@ -748,10 +813,13 @@ namespace hg_imgproc
 				Noise.apply(mats[i],img_conf_.is_duplex);
 				mats_.push_back(mats[i]);
 			}
-			return ret;
+			if (mats_.empty())
+			{
+				return SCANNER_ERR_NO_DATA;
+			}
+			return SCANNER_ERR_OK;
 
 		}
-		//错误扩散
 		int		errorextention()
 		{
 			int ret = SCANNER_ERR_OK;
@@ -770,7 +838,11 @@ namespace hg_imgproc
 					BWBinaray.apply(mats[i],img_conf_.is_duplex);
 					mats_.push_back(mats[i]);
 				}
-			return ret;
+				if (mats_.empty())
+				{
+					return SCANNER_ERR_NO_DATA;
+				}
+				return SCANNER_ERR_OK;
 		}
 
 		int discardBlank()
@@ -794,9 +866,12 @@ namespace hg_imgproc
 				else
 					mats_.push_back(mats[i]);
 			}
-			return ret;
+			if (mats_.empty())
+			{
+				return SCANNER_ERR_NO_DATA;
+			}
+			return SCANNER_ERR_OK;
 		}
-		//答题卡出�?
 		int answerSheetFilterRed()
 		{
 			int ret = SCANNER_ERR_OK;
@@ -809,7 +884,11 @@ namespace hg_imgproc
 					correct.apply(mats[i],img_conf_.is_duplex);
 					mats_.push_back(mats[i]);
 				}
-				return ret;
+				if (mats_.empty())
+				{
+					return SCANNER_ERR_NO_DATA;
+				}
+				return SCANNER_ERR_OK;
 		}
 		//对折
 		int fold()
@@ -822,7 +901,11 @@ namespace hg_imgproc
 				fold.apply(mats,img_conf_.is_duplex);
 				mats_= mats;
 
-			return ret;
+				if (mats_.empty())
+				{
+					return SCANNER_ERR_NO_DATA;
+				}
+				return SCANNER_ERR_OK;
 		}
 
 		//画质
@@ -840,6 +923,10 @@ namespace hg_imgproc
 					cv::resize(mats[i],out, cv::Size(),xy,xy);
 					mats_.push_back(out);
 				}
+				if (mats_.empty())
+				{
+					return SCANNER_ERR_NO_DATA;
+				}
 				return SCANNER_ERR_OK;
 		}
 	#ifdef _WIN32
@@ -929,7 +1016,11 @@ namespace hg_imgproc
 	#else
 
 	#endif
-			return ret;
+				if (mats_.empty())
+				{
+					return SCANNER_ERR_NO_DATA;
+				}
+				return SCANNER_ERR_OK;
 		}
 		int size_detection()
 		{