diff --git a/hgdriver/hgdev/hg_scanner_300.cpp b/hgdriver/hgdev/hg_scanner_300.cpp
index b5af0db..ece6563 100644
--- a/hgdriver/hgdev/hg_scanner_300.cpp
+++ b/hgdriver/hgdev/hg_scanner_300.cpp
@@ -92,6 +92,7 @@ hg_scanner_300::hg_scanner_300(const char* dev_name,int pid, usb_io* io) :
 	int ret = get_device_type(firmware_sup_device_7010);
 	if (firmware_sup_device_7010 && ret == SCANNER_ERR_OK)
 	{
+		set_kernelsnap_ver();
 		get_correction_image(0, 1, 1);
 		get_correction_image(1, 1, 0);
 		get_correction_image(2, 2, 1);
@@ -273,6 +274,7 @@ void hg_scanner_300::thread_handle_usb_read(void)
 			if (firmware_sup_device_7010)
 			{
 				ret = get_img_data_7010();
+				sw.reset();
 				 if (ret != SCANNER_ERR_OK)
 				 {
 					 status_ = ret;
@@ -948,6 +950,13 @@ int hg_scanner_300::get_device_type(bool &type)
 
 int hg_scanner_300::get_correction_image(int inx , int dpi, int mode)
 {
+	for (auto it : correction_image_map_)
+	{
+		if (it.second.info.params.colormode == mode && it.second.info.params.dpi == dpi)
+		{
+			return -1;//预防重复添加
+		}
+	}
 	int ret = SCANNER_ERR_OK;
 	setting3288dsp::FLAT_INFO_IMAGE image_info;
 	
@@ -989,7 +998,7 @@ int hg_scanner_300::get_correction_image(int inx , int dpi, int mode)
 			{
 				return SCANNER_ERR_NO_DATA;
 			}
-			cv::ImreadModes rmc = image_info.info.params.colormode ? cv::IMREAD_COLOR : cv::IMREAD_GRAYSCALE;
+			cv::ImreadModes rmc =  cv::IMREAD_GRAYSCALE;;// image_info.info.params.colormode ? cv::IMREAD_COLOR : cv::IMREAD_GRAYSCALE;
 			cv::Mat mat = cv::imdecode(imagedata, rmc);//color BGR 
 
 			//if (mat.channels() == 3)
@@ -1012,14 +1021,16 @@ int hg_scanner_300::get_correction_image(int inx , int dpi, int mode)
 
 	ret = hg_imgproc::correction_image(ImagePrc_pHandle_, image_info.flat_lut, black_mat, white_mat);
 
-	for (size_t j = 0; j < correction_image_map_.size(); j++)  //以防重复添加
-	{
-		if (correction_image_map_[j].info.params.dpi == dpi 
-			&& correction_image_map_[j].info.params.colormode == mode)
-		{
-			return ret;
-		}
-	}
+
+	//cv::imwrite("C://image//correction_image_black_mat" + to_string(inx) + ".bmp", black_mat);
+	//for (size_t j = 0; j < correction_image_map_.size(); j++)  //以防重复添加
+	//{
+	//	if (correction_image_map_[j].info.params.dpi == dpi 
+	//		&& correction_image_map_[j].info.params.colormode == mode)
+	//	{
+	//		return ret;
+	//	}
+	//}
 	correction_image_map_[inx] = image_info;
 
 	return ret;
diff --git a/hgdriver/hgdev/image_process.cpp b/hgdriver/hgdev/image_process.cpp
index f914093..23231f3 100644
--- a/hgdriver/hgdev/image_process.cpp
+++ b/hgdriver/hgdev/image_process.cpp
@@ -524,29 +524,41 @@ namespace hg_imgproc
 						cv::imwrite("C:\\image\\imdecode" + std::to_string(img_idx++) + ".jpg", mat);
 						int dpi = param_.dpi == 600 ? 3 : (param_.dpi < 599 && param_.dpi >= 300) ? 2 : 1;
 						int mode = param_.color_mode == COLOR_MODE_24_BITS ? 1 : 0;
-						for (size_t i = 0; i < correction_image_map_.size(); i++)
+						for (auto it  : correction_image_map_)
 						{
-							if (correction_image_map_[i].info.params.colormode == mode && correction_image_map_[i].info.params.dpi == dpi)
+							if (it.second.info.params.colormode == mode && it.second.info.params.dpi == dpi)
 							{
-								if (correction_image_map_[i].info.params.status != 100)
+								if (it.second.info.params.status != 100)
 								{
 									break;
 								}
-								correctColor(mat, correction_image_map_[i].flat_lut);//校正
+								correctColor(mat, it.second.flat_lut);//校正
 							}
+
 						}
+						//for (size_t i = 0; i < correction_image_map_.size(); i++)
+						//{
+						//	if (correction_image_map_[i].info.params.colormode == mode && correction_image_map_[i].info.params.dpi == dpi)
+						//	{
+						//		if (correction_image_map_[i].info.params.status != 100)
+						//		{
+						//			continue;
+						//		}
+						//		correctColor(mat, correction_image_map_[i].flat_lut);//校正
+						//	}
+						//}
 						//cv::imwrite("C:\\image\\imdecode" + std::to_string(img_idx++) + ".jpg", mat);
 
-						if (param_.dpi < 299)/////7010不支持 200dpi 所以需要手动拉伸宽度
-						{
-							float xy = param_.dpi / 300.0;
-							cv::resize(mat, mat, cv::Size(), xy, 1);
+						//if (param_.dpi < 299)/////7010不支持 200dpi 所以需要手动拉伸宽度
+						//{
+						//	float xy = param_.dpi / 300.0;
+						//	cv::resize(mat, mat, cv::Size(), xy, 1);
 
-						}
+						//}
 					}
 
 					//cv::imwrite("C:\\image\\imdecode4.png", mat);
-					//cv::imwrite("C:\\Users\\modehua\\Desktop\\image\\imdecode2.jpg",mat);
+					//cv::imwrite("C:\\image\\imdecode2.jpg",mat);
 
 					if (mat.empty()) 
 					{
@@ -1741,7 +1753,7 @@ namespace hg_imgproc
 			float temp;
 			for (int j = 0, length = (255 - b + 1); j < length; j++)
 			{
-				temp = gamma(tb + step * j, GAMMA_EX) - BLACK_OFFSET;
+				temp = tb + step * j;// gamma(tb + step * j, GAMMA_EX) - BLACK_OFFSET;
 				data[j + b] = (cv::min)(255, (cv::max)(0, static_cast<int>(temp)));
 			}
 		}
@@ -1777,6 +1789,7 @@ namespace hg_imgproc
 				cv::Mat lut_lut(256, 1, CV_8UC1, buffer);
 				cv::LUT(lut, lut_lut, lut);
 			}
+
 			return lut;
 		}
 
@@ -1786,6 +1799,7 @@ namespace hg_imgproc
 #define CHANNEL 432
 		cv::Mat calcLUT(const cv::Mat& black, const cv::Mat& white, bool isTextCorrection)
 		{
+			static int lut_idx = 0;
 			std::vector<cv::Mat> w;
 			w.push_back(black);
 			w.push_back(white);
@@ -1798,6 +1812,8 @@ namespace hg_imgproc
 				cv::transpose(lutROI, tran);
 				memcpy(lutROI.data, tran.data, tran.total());
 			}
+
+			cv::imwrite("C:\\image\\" + std::to_string(lut_idx++) + ".bmp", lut);
 			return lut;
 		}