diff --git a/hgdriver/ImageProcess/CISTestImageProcess.cpp b/hgdriver/ImageProcess/CISTestImageProcess.cpp
index 07ef642..c43702b 100644
--- a/hgdriver/ImageProcess/CISTestImageProcess.cpp
+++ b/hgdriver/ImageProcess/CISTestImageProcess.cpp
@@ -5,6 +5,9 @@ int CISTestImageProcess::test(const cv::Mat& image, CISTestResult& result)
 	//std::vector<cv::RotatedRect> marks;
 	//int res = findMarks(image, marks);
 	//return res;
+	result.scaleXY1 = -1;
+	result.scaleXY2 = -1;
+	result.scaleXY3 = -1;
 
 	if (image.channels() != 3)
 		return -1;
@@ -20,15 +23,17 @@ int CISTestImageProcess::test(const cv::Mat& image, CISTestResult& result)
 	//cv::imwrite("range1.jpg", mask_s);
 	cv::inRange(hsv_channels[0], 0, 84, range_h);	//饱和度在[220, 255]的像素
 	cv::inRange(hsv_channels[0], 213, 255, range_temp);	//饱和度在[220, 255]的像素
-	//cv::imwrite("range3.jpg", range_temp);
 	range_h &= mask_s;
 	range_h |= range_temp & mask_s;
+	//cv::imwrite("range3.jpg", range_h);
 	findEllipse(range_h, result.scaleXY1);
-	cv::inRange(hsv_channels[0], 42, 170, range_h);	//饱和度在[220, 255]的像素
+	cv::inRange(hsv_channels[0], 30, 150, range_h);	//饱和度在[220, 255]的像素
 	range_h &= mask_s;
+	//cv::imwrite("range4.jpg", range_h);
 	findEllipse(range_h, result.scaleXY2);
 	cv::inRange(hsv_channels[0], 128, 213, range_h);	//饱和度在[220, 255]的像素
 	range_h &= mask_s;
+	//cv::imwrite("range5.jpg", range_h);
 	findEllipse(range_h, result.scaleXY3);
 
 	return 0;
@@ -208,6 +213,6 @@ int CISTestImageProcess::findEllipse(const cv::Mat& image, double& scale_xy, dou
 		box.size.width = box.size.height;
 		box.size.height = temp;
 	}
-	areaThre = box.size.width / box.size.height;
+	scale_xy = box.size.width / box.size.height;
 	return 0;
 }
diff --git a/hgdriver/hgdev/hg_scanner.cpp b/hgdriver/hgdev/hg_scanner.cpp
index 1b3580c..46da302 100644
--- a/hgdriver/hgdev/hg_scanner.cpp
+++ b/hgdriver/hgdev/hg_scanner.cpp
@@ -945,12 +945,22 @@ void hg_scanner::thread_handle_image_process(void)
 					break;
 				}
 			}
+			catch (const std::exception& e)
+			{
+				if (is_dpi_color_check)
+					stop_fatal_ = SCANNER_ERR_DEVICE_DISTORTION;
+				else
+					stop_fatal_ = SCANNER_ERR_INSUFFICIENT_MEMORY;
+				VLOG_MINI_1(LOG_LEVEL_ALL, "is opencv Fatal: %s\n", e.what());
+				stop();
+				break;
+
+			}
 			catch (...)
 			{
 				VLOG_MINI_1(LOG_LEVEL_FATAL, "FATAL: Insufficient memory when proecss image with %d bytes.\n", tiny_buffer->size());
 				stop_fatal_ = SCANNER_ERR_INSUFFICIENT_MEMORY;
 				stop();
-				break;
 			}
 		}
 		else
@@ -1044,6 +1054,9 @@ void hg_scanner::working_done(void*)
 	case SCANNER_ERR_DEVICE_AUTO_FAIL_OVER:
 			notify_ui_working_status(STATU_DESC_SCANNER_ERR_DEVICE_AUTO_FAIL_OVER, SANE_EVENT_SCAN_FINISHED, status_);
 		break;
+	case SCANNER_ERR_DEVICE_DISTORTION:
+		notify_ui_working_status(STATU_DESC_SCANNER_ERR_DEVICE_DISTORTION, SANE_EVENT_SCAN_FINISHED, status_);
+		break;
 	default:
 			notify_ui_working_status(user_cancel_ ? STATU_DESC_SCAN_CANCELED : STATU_DESC_SCAN_STOPPED, SANE_EVENT_SCAN_FINISHED, status_);
 			break;
@@ -3819,6 +3832,10 @@ int hg_scanner::image_configuration(SCANCONF& ic)
 		|| image_prc_param_.bits.page == PAGE_OMIT_EMPTY_RECEIPT
 		|| image_prc_param_.bits.page == PAGE_FOLIO);
 
+	if (is_dpi_color_check)
+	{
+		ic.is_duplex = false;
+	}
 	ic.en_fold = (image_prc_param_.bits.page == PAGE_FOLIO);
 
 	ic.pixtype = image_prc_param_.bits.color_mode == COLOR_MODE_AUTO_MATCH ? 2 : image_prc_param_.bits.color_mode;
diff --git a/hgdriver/hgdev/hg_scanner_300.cpp b/hgdriver/hgdev/hg_scanner_300.cpp
index c7ab8d8..049e77d 100644
--- a/hgdriver/hgdev/hg_scanner_300.cpp
+++ b/hgdriver/hgdev/hg_scanner_300.cpp
@@ -841,7 +841,7 @@ int hg_scanner_300::set_dpi_color_check_val(void)
 {
 	int ret = SCANNER_ERR_OK,
 		len = 0;
-	USBCB usbcb = { setting3288dsp::SET_JUST_COF_H ,1,resolution_ };
+	USBCB usbcb = { setting3288dsp::SET_JUST_COF_V ,save_dpi_color_check_val,resolution_ };
 	len = sizeof(usbcb);
 	io_->write_bulk(&usbcb, &len);
 
diff --git a/hgdriver/hgdev/image_process.cpp b/hgdriver/hgdev/image_process.cpp
index eeb77c6..29c1e07 100644
--- a/hgdriver/hgdev/image_process.cpp
+++ b/hgdriver/hgdev/image_process.cpp
@@ -520,7 +520,7 @@ namespace hg_imgproc
 						rmc = cv::IMREAD_COLOR;
 					}	
 					cv::Mat mat(cv::imdecode(*buf, rmc));
-					//cv::imwrite("1.jpg",mat);
+					//cv::imwrite("imdecode.jpg",mat);
 
 					if (mat.empty()) 
 					{
@@ -1307,12 +1307,15 @@ namespace hg_imgproc
 
 			for (size_t i = 0; i < mats.size(); ++i)
 			{
-				CISTestImageProcess::CISTestResult r;
-				CISTestImageProcess::test(mats[i], r);
+				//cv::imwrite(to_string(i) + "cis_test_image.jpg", mats[i]);
+				
+				CISTestImageProcess::test(mats[i], res);
 				mats_.push_back(mats[i]);
-				/*cv::imwrite("1.jpg",mats[i]);*/
+				//cv::imwrite("CISTestImageProcess.jpg",mats[i]);
+				return ret;
+			
 			}
-			return ret;
+			
 		}
 		HGImage opencv_to_hgbase_image(const cv::Mat& mats)
 		{