diff --git a/huagao/CImageProcPage.cpp b/huagao/CImageProcPage.cpp
index e5f7555f..f8940b80 100644
--- a/huagao/CImageProcPage.cpp
+++ b/huagao/CImageProcPage.cpp
@@ -36,6 +36,7 @@ CImageProcPage::CImageProcPage(CWnd* pParent /*=nullptr*/)
 	, m_ckbAutoDeskrew(FALSE)
 	, m_ckbMultioutput(FALSE)
 	, m_ckbRemoveHole(FALSE)
+	, m_ckbHSVCorrect(FALSE)
 {
 
 }
@@ -68,11 +69,11 @@ void CImageProcPage::ImageProcPageUpdate(int val)
 		t_chMultiOutput->EnableWindow(FALSE);
 	}
 
-	bool enabele = ival <= 1;//彩色或灰度
-	if (!enabele) {
-		m_temp_sharpen->SetCurSel(0);
-	}
-	m_temp_sharpen->EnableWindow(enabele);
+	//bool enabele = ival <= 1;//彩色或灰度
+	//if (!enabele) {
+	//	m_temp_sharpen->SetCurSel(0);
+	//}
+	//m_temp_sharpen->EnableWindow(enabele);
 }
 
 void CImageProcPage::ImageAutoDescrewUpdate(int val)
@@ -96,6 +97,7 @@ void CImageProcPage::DoDataExchange(CDataExchange* pDX)
 	DDX_Check(pDX, IDC_CKAUTODESKREW, m_ckbAutoDeskrew);
 	DDX_Check(pDX, IDC_CKMULTIOUTPUT, m_ckbMultioutput);
 	DDX_Check(pDX, IDC_CKREMOVEHOLE, m_ckbRemoveHole);
+	DDX_Check(pDX, IDC_CKHSVCORRECT, m_ckbHSVCorrect);
 }
 
 BOOL CImageProcPage::OnInitDialog()
diff --git a/huagao/CImageProcPage.h b/huagao/CImageProcPage.h
index b7621126..0070ddf7 100644
--- a/huagao/CImageProcPage.h
+++ b/huagao/CImageProcPage.h
@@ -21,6 +21,7 @@ public:
 	BOOL m_ckbAutoDeskrew;
 	BOOL m_ckbMultioutput;
 	BOOL m_ckbRemoveHole;
+	BOOL m_ckbHSVCorrect;
 
 	void ImageProcPageUpdate(int val);
 	void ImageAutoDescrewUpdate(int val);
@@ -39,4 +40,6 @@ protected:
 	DECLARE_MESSAGE_MAP()
 
 	afx_msg void OnCtrlChange();
+
+	
 };
diff --git a/huagao/CTwainUI.cpp b/huagao/CTwainUI.cpp
index b04a4413..61a3d797 100644
--- a/huagao/CTwainUI.cpp
+++ b/huagao/CTwainUI.cpp
@@ -162,6 +162,7 @@ void CTwainUI::UpdateUI()
 		m_pageImageProc->m_ckbMultioutput = settings->multi_output_red == TRUE ? TRUE : FALSE;//多流除红
 	else
 		m_pageImageProc->m_ckbMultioutput = FALSE;//多流除红
+	m_pageImageProc->m_ckbHSVCorrect = settings->hsvcorrect == TRUE ? TRUE : FALSE;//答题卡除红
 	m_pageImageProc->GetDlgItem(IDC_CKMULTIOUTPUT)->EnableWindow(settings->pixtype == 2);//彩色可用
 	m_pageImageProc->UpdateData(FALSE);
 
@@ -368,6 +369,7 @@ void CTwainUI::UpDateScanParam(PCONFIGPARAMS configItem, bool updateDs)
 	configItem->EnOutHole = m_pageImageProc->m_ckbRemoveHole;//除穿孔可用性
 	configItem->OutHoleRatio = WndCtrl2f(&(m_pageImageProc->m_edit_hole)) * 100;//穿孔搜索范围比例系数
 	configItem->EnMultiOutPutR = m_pageImageProc->m_ckbMultioutput;//多流除红
+	configItem->EnHsvCorrect = m_pageImageProc->m_ckbHSVCorrect;//答题卡除红
 
 	//!< Page feed paper
 	m_pageFeedPaper->UpdateData();
@@ -459,6 +461,7 @@ void CTwainUI::UpDateScanParam(PCONFIGPARAMS configItem, bool updateDs)
 	settings->fillhole.is_fillhole = configItem->EnOutHole;
 	settings->fillhole.fillholeratio = configItem->OutHoleRatio;
 	settings->multi_output_red = configItem->EnMultiOutPutR;
+	settings->hsvcorrect = configItem->EnHsvCorrect;
 #ifdef REAL300DPI
 	settings->resolution_native = settings->resolution_dst > 240.0f ? 300.0f : 200.0f;
 #else // REAL300DPI
diff --git a/huagao/G4Tiff.cpp b/huagao/G4Tiff.cpp
index 20e09750..883883e6 100644
--- a/huagao/G4Tiff.cpp
+++ b/huagao/G4Tiff.cpp
@@ -20,9 +20,10 @@ G4Tiff::G4Tiff(cv::Mat & mat, int threshold)
 		except(TIFFSetField(pTiffHandle, TIFFTAG_IMAGELENGTH, height), "length");
 		except(TIFFSetField(pTiffHandle, TIFFTAG_BITSPERSAMPLE, 1), "bits per sample");
 		except(TIFFSetField(pTiffHandle, TIFFTAG_SAMPLESPERPIXEL, 1), "samples per pixel");
-		except(TIFFSetField(pTiffHandle, TIFFTAG_ROWSPERSTRIP, 1), "rows per strip");
+		except(TIFFSetField(pTiffHandle, TIFFTAG_ROWSPERSTRIP, height), "rows per strip");
 
-		except(TIFFSetField(pTiffHandle, TIFFTAG_COMPRESSION, COMPRESSION_CCITTFAX4), "compression");
+		//except(TIFFSetField(pTiffHandle, TIFFTAG_COMPRESSION, COMPRESSION_CCITTFAX4), "compression");
+		except(TIFFSetField(pTiffHandle, TIFFTAG_COMPRESSION, COMPRESSION_CCITT_T6), "compression");
 		except(TIFFSetField(pTiffHandle, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_MINISWHITE), "photometric");
 		except(TIFFSetField(pTiffHandle, TIFFTAG_FILLORDER, FILLORDER_MSB2LSB), "photometric");
 		except(TIFFSetField(pTiffHandle, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG), "planar config");
@@ -33,8 +34,9 @@ G4Tiff::G4Tiff(cv::Mat & mat, int threshold)
 		except(TIFFSetField(pTiffHandle, TIFFTAG_RESOLUTIONUNIT, RESUNIT_INCH), "res unit");
 
 		std::vector<uchar> _buffer(width / 8 + 8, 0);
+		//std::vector<uchar> _buffer(width / 8 + 1, 0);
 		uchar* buffer = &_buffer[0];
-		int bytes = int(width / 8.0 + 0.5);
+		//int bytes = int(width / 8.0 + 0.5);
 		for (int y = 0; y < height; ++y)
 		{
 			uint8_t* src_row = mat.ptr(y);
@@ -46,7 +48,7 @@ G4Tiff::G4Tiff(cv::Mat & mat, int threshold)
 					eight_pixels = eight_pixels | 1;  //
 				buffer[x / 8] = eight_pixels;
 			}
-			except(TIFFWriteScanline(pTiffHandle, buffer, y, bytes) != -1, "write scanline");
+			except(TIFFWriteScanline(pTiffHandle, buffer, y, 0) != -1, "write scanline");
 		}
 
 	}
@@ -76,16 +78,20 @@ void G4Tiff::GetCompressedData(std::vector<uchar>& cmpeddata)
 	FILE* file = fopen(m_tmppath.c_str(), "rb");
 	if (file)
 	{
+
 		int filesize = _lseek(_fileno(file), 0, SEEK_END); // seek to EOF
 		fseek(file, 0, SEEK_SET);
+		std::vector<uchar> ifh(8, 0);
+		fread(ifh.data(), 1, ifh.size(), file);
+		int size = (int)(*(int*)(ifh.data() + 4));
+		fseek(file, 8, SEEK_SET);
 		if (filesize)
 		{
-			cmpeddata.resize(filesize);
-			fread(cmpeddata.data(), 1, filesize, file);
+			cmpeddata.resize(size);
+			fread(cmpeddata.data(), 1, size, file);
 		}
-		FILE* file1 = fopen("d:\\1.tiff", "wb");
-		fwrite(cmpeddata.data(), filesize, 1, file1);
-		fclose(file1);
+	
+
 	}
 	fclose(file);
 
diff --git a/huagao/GscanJsonConfig.cpp b/huagao/GscanJsonConfig.cpp
index 2254e23c..669b6be6 100644
--- a/huagao/GscanJsonConfig.cpp
+++ b/huagao/GscanJsonConfig.cpp
@@ -47,6 +47,7 @@ GScanCap GscanJsonConfig::GetDefaultGscancapValue()
 	gcap.filter = 3;//��ӦFilter::None
 	gcap.multi_output_red = FALSE;
 	gcap.sharpen = SharpenBlur::Sharpen_None;
+	gcap.hsvcorrect = FALSE;//Ĭ�ϲ��������⿨����
 
 	/*< feeder setting*/
 	gcap.hardwarecaps.en_doublefeed = TRUE;//Ĭ�Ͽ���˫��
@@ -93,6 +94,7 @@ void GscanJsonConfig::SaveGscanCapConfig(const GScanCap & gcap, const std::strin
 	outJson["Config"].Add(MULTIOUTPUT, (bool)(gcap.multi_output_red), false);
 	outJson["Config"].Add(OUTHOLE, (bool)(gcap.fillhole.is_fillhole), false);
 	outJson["Config"].Add(OUTHOLERATIO, (int)(gcap.fillhole.fillholeratio));
+	outJson["Config"].Add(HSVCORRECT, (bool)(gcap.hsvcorrect));
 
 	outJson["Config"].Add(ULTRADETECT, (bool)(gcap.hardwarecaps.en_doublefeed), false);
 	outJson["Config"].Add(BINDINGDETECT, (bool)(gcap.hardwarecaps.en_stapledetect), false);
@@ -143,6 +145,7 @@ void GscanJsonConfig::WriteJsonArrayToFile(std::vector<GScanCap> cfgArray, const
 	root["Config"].AddEmptySubArray(MULTIOUTPUT);
 	root["Config"].AddEmptySubArray(OUTHOLE);
 	root["Config"].AddEmptySubArray(OUTHOLERATIO);
+	root["Config"].AddEmptySubArray(HSVCORRECT);
 
 	/*< feeder settings*/
 	root["Config"].AddEmptySubArray(ULTRADETECT);
@@ -185,6 +188,7 @@ void GscanJsonConfig::WriteJsonArrayToFile(std::vector<GScanCap> cfgArray, const
 		root["Config"][MULTIOUTPUT].Add(i, (bool)cfgArray[i].multi_output_red);
 		root["Config"][OUTHOLE].Add(i, (bool)cfgArray[i].fillhole.is_fillhole);
 		root["Config"][OUTHOLERATIO].Add(cfgArray[i].fillhole.fillholeratio);
+		root["Config"][HSVCORRECT].Add(i, (bool)cfgArray[i].hsvcorrect);
 
 		root["Config"][ULTRADETECT].Add(i, (bool)cfgArray[i].hardwarecaps.en_doublefeed);
 		root["Config"][BINDINGDETECT].Add(i, (bool)cfgArray[i].hardwarecaps.en_stapledetect);
@@ -329,6 +333,8 @@ std::vector<GScanCap> GscanJsonConfig::parseJsonFromString(const std::string str
 		root["Config"].Get(OUTHOLE, itmOutHole);
 		neb::CJsonObject itmOutHoleRatio;
 		root["Config"].Get(OUTHOLERATIO, itmOutHoleRatio);
+		neb::CJsonObject itmHsvCorrect;
+		root["Config"].Get(HSVCORRECT, itmHsvCorrect);
 
 		neb::CJsonObject itmUltDetect;
 		root["Config"].Get(ULTRADETECT, itmUltDetect);
@@ -415,6 +421,8 @@ std::vector<GScanCap> GscanJsonConfig::parseJsonFromString(const std::string str
 			cfp.fillhole.is_fillhole = b_value ? 1 : 0;
 			itmOutHoleRatio.Get(i, i_value);
 			cfp.fillhole.fillholeratio = i_value;
+			itmHsvCorrect.Get(i, b_value);
+			cfp.hsvcorrect = b_value ? 1 : 0;
 
 			itmUltDetect.Get(i, b_value);
 			cfp.hardwarecaps.en_doublefeed = b_value ? 1 : 0;
@@ -503,6 +511,9 @@ std::vector<GScanCap> GscanJsonConfig::parseJsonFromString(const std::string str
 		cfp.fillhole.is_fillhole = bvalue?1:0;
 		root["Config"].Get(OUTHOLERATIO, index);
 		cfp.fillhole.fillholeratio = index;
+		root["Config"].Get(HSVCORRECT, bvalue);
+		cfp.hsvcorrect = bvalue ? 1 : 0;
+
 
 		root["Config"].Get(ULTRADETECT, bvalue);
 		cfp.hardwarecaps.en_doublefeed = bvalue?1:0;
diff --git a/huagao/huagaods.cpp b/huagao/huagaods.cpp
index ceb82497..bd6399cc 100644
--- a/huagao/huagaods.cpp
+++ b/huagao/huagaods.cpp
@@ -42,7 +42,8 @@ enum class CapTypeEx : unsigned short {
 	TwEx_DBDevnMax = 0x8028,
 	TwEx_StableDetectEnable = 0x8090,
 	TwEx_UVModel = 0x8093,
-	TwEx_SwitchFrontBack = 0x8094
+	TwEx_SwitchFrontBack = 0x8094,
+	TwEx_HsvCorrect = 0x8095
 };
 
 using namespace Twpp;
@@ -1367,6 +1368,31 @@ Result HuagaoDs::identityOpenDs(const Identity&) {
 		}
 	};
 
+	//���⿨����
+	m_query[(CapType)(CapTypeEx::TwEx_HsvCorrect)] = msgSupportGetAllSetReset;
+	m_caps[(CapType)(CapTypeEx::TwEx_HsvCorrect)] = [this](Msg msg, Capability& data)->Result {
+		switch (msg) {
+		case Msg::Get:
+			data = Capability::createEnumeration<Bool>((CapType)(CapTypeEx::TwEx_HsvCorrect), { Bool(),Bool(true) }, Bool(m_scanparam->hsvcorrect), 0);
+			return success();
+		case Msg::GetCurrent:
+			data = Capability::createOneValue<Bool>((CapType)(CapTypeEx::TwEx_HsvCorrect), m_scanparam->hsvcorrect);
+			return success();
+		case Msg::Reset:
+			m_scanparam->hsvcorrect = false;
+		case Msg::GetDefault:
+			data = Capability::createOneValue<Bool>((CapType)(CapTypeEx::TwEx_HsvCorrect), Bool(false));
+			return success();
+		case Msg::Set: {
+			auto mech = data.currentItem<Bool>();
+			m_scanparam->hsvcorrect = mech;
+			return success();
+		}
+		default:
+			return capBadOperation();
+		}
+	};
+
 	m_query[CapType::IFilter] = msgSupportGetAllSetReset;
 	m_caps[CapType::IFilter] = [this](Msg msg, Capability& data)->Result {
 		switch (msg) {
@@ -1720,6 +1746,7 @@ Result HuagaoDs::identityCloseDs(const Identity&) {
 
 	if (guiBridge.get())
 		guiBridge.reset();
+
 	scanner.reset();
 
 	if (hMutex)
@@ -1745,7 +1772,7 @@ Result HuagaoDs::pendingXfersEnd(const Identity&, PendingXfers& data) {
 		scanner->Set_ErrorCode(0);
 		guiIndicator.reset();
 		if (ret != -1) {
-			MessageBox(guiTwain ? guiTwain->m_hWnd : NULL, noticeMsgMap[ret], _T("��ʾ"), MB_SYSTEMMODAL | MB_OK | MB_ICONINFORMATION);
+			MessageBox(guiTwain ? guiTwain->m_hWnd : NULL, noticeMsgMap[ret], _T("��ʾ"), MB_SYSTEMMODAL | MB_OK | MB_ICONINFORMATION);// 
 #ifndef G200
 			scanner->clear_hwerror();
 #endif // G200
@@ -1900,11 +1927,11 @@ Result HuagaoDs::imageMemXferGet(const Identity& origin, ImageMemXfer& data) {
 	if (rows == 0) {
 		return seqError(); // image already transfered in this session
 	}
-	//cv::Mat mat = cv::imdecode(bmpData, cv::IMREAD_GRAYSCALE);
+	cv::Mat mat = cv::imdecode(bmpData, cv::IMREAD_GRAYSCALE);
 	//G4Tiff gt(mat);
 	//vector<uchar> cmpdata;
 	//gt.GetCompressedData(cmpdata);
-	////int aa = 1;
+	//int aa = 1;
 	data.setBytesPerRow(bpl);
 	data.setColumns(static_cast<UInt32>(dib->biWidth));
 	data.setRows(rows);
@@ -2145,8 +2172,8 @@ void HuagaoDs::updataGscanCap()
 
 Twpp::Result HuagaoDs::startScan()
 {
-	if (!scanner->IsConnected())
-		return checkDeviceOnline();
+	//if (!scanner->IsConnected())
+	//	return checkDeviceOnline();
 
 	scanner->ResetScanner();
 
diff --git a/huagao/huagaods.hpp b/huagao/huagaods.hpp
index 74029af9..3742d687 100644
--- a/huagao/huagaods.hpp
+++ b/huagao/huagaods.hpp
@@ -63,7 +63,7 @@ protected:
     virtual Twpp::Result setupFileXferSet(const Twpp::Identity& origin, Twpp::SetupFileXfer& data) override;
     virtual Twpp::Result setupFileXferReset(const Twpp::Identity& origin, Twpp::SetupFileXfer& data) override;
     virtual Twpp::Result call(const Twpp::Identity& origin, Twpp::DataGroup dg, Twpp::Dat dat, Twpp::Msg msg, void* data) override;
-    static void SetResoluton(const char* path, int resolution);
+    void SetResoluton(const char* path, int resolution);
 private:
     Twpp::Result showTwainUI(Twpp::UserInterface& data, bool bUiOnly = false);
     Twpp::Result startScan();
diff --git a/huagao/huagaotwds.rc b/huagao/huagaotwds.rc
index b3b5fc19..b75a360f 100644
Binary files a/huagao/huagaotwds.rc and b/huagao/huagaotwds.rc differ
diff --git a/huagao/resource.h b/huagao/resource.h
index 67e33b48..c7b8ab22 100644
Binary files a/huagao/resource.h and b/huagao/resource.h differ
diff --git a/huagao/stdafx.h b/huagao/stdafx.h
index 80951067..4fc771f3 100644
Binary files a/huagao/stdafx.h and b/huagao/stdafx.h differ