diff --git a/AlgorithmModule/src/CameraCheckAnalysisy.cpp b/AlgorithmModule/src/CameraCheckAnalysisy.cpp
index a624889..f0495d1 100644
--- a/AlgorithmModule/src/CameraCheckAnalysisy.cpp
+++ b/AlgorithmModule/src/CameraCheckAnalysisy.cpp
@@ -1652,7 +1652,7 @@ int CameraCheckAnalysisy::GetProductFirstRow(const cv::Mat &img, int &outRow)
 	}
 
 	const uchar brightThreshold = 35;								// 亮像素灰度阈值(与背景判断阈值保持一致)
-	const int needBrightCount = std::max(1, (int)(gray.cols * 0.2)); // 该行亮像素数量占比超过 20% 认为是产品所在行
+	const int needBrightCount = std::max(1, (int)(gray.cols * 0.02)); // 该行亮像素数量占比超过 20% 认为是产品所在行
 	const int rowStep = 16;											// 跳行扫描步长
 
 	// 判断某一行是否为产品所在行(亮像素数量达到阈值)
diff --git a/example/Read_Image.cpp b/example/Read_Image.cpp
index e6316fc..970e59a 100644
--- a/example/Read_Image.cpp
+++ b/example/Read_Image.cpp
@@ -8,6 +8,65 @@ std::string toLower(const std::string &str)
 	return lower;
 }
 
+// 4 相机代码, 顺序与原有实现保持一致
+static const std::string g_strCameraCodes[] = {"BCA", "DCA", "BTA", "DTA"};
+
+// 解析文件名中的 相机代码 与 半幅(左右)
+// 支持两种命名:
+//   1) {前缀}_{相机}_{0|1}_{后缀}  如 3ABD670013A8BG1_BCA_0_src   (0=左半, 1=右半)
+//   2) {前缀}{相机}{A|B}          如 BCAA / A_BCAB            (A=左半, B=右半)
+// 对应关系: BCA_0 <=> BCAA(左半), BCA_1 <=> BCAB(右半)
+std::string Extract_Camera_And_Half(const std::string &strStem, std::string &strHalf)
+{
+	strHalf = "";
+
+	// 方式1: {前缀}_{相机}_{0|1}_{后缀}  (merg 目录下的命名)
+	// 形如 3ABD670013A8BG1_BCA_0_src.jpg, 其中 0 对应 BCAA, 1 对应 BCAB
+	for (const auto &strCam : g_strCameraCodes)
+	{
+		const std::string strKey = "_" + strCam + "_";
+		size_t pos = strStem.find(strKey);
+		while (pos != std::string::npos)
+		{
+			const size_t nHalfPos = pos + strKey.size();
+			if (nHalfPos < strStem.size() &&
+				(strStem[nHalfPos] == '0' || strStem[nHalfPos] == '1') &&
+				(nHalfPos + 1 >= strStem.size() || strStem[nHalfPos + 1] == '_' || strStem[nHalfPos + 1] == '.'))
+			{
+				strHalf = (strStem[nHalfPos] == '0') ? "A" : "B";
+				return strCam;
+			}
+			pos = strStem.find(strKey, pos + 1);
+		}
+	}
+
+	// 方式2: {前缀}{相机}{A|B}  (原有的 4 相机命名)
+	for (const auto &strCam : g_strCameraCodes)
+	{
+		const size_t pos = strStem.find(strCam);
+		if (pos != std::string::npos && pos + strCam.size() < strStem.size())
+		{
+			const char cHalf = strStem[pos + strCam.size()];
+			if (cHalf == 'A' || cHalf == 'B')
+			{
+				strHalf = std::string(1, cHalf);
+				return strCam;
+			}
+		}
+	}
+
+	// 兜底: 文件名中只包含相机代码, 无法判定左右
+	for (const auto &strCam : g_strCameraCodes)
+	{
+		if (strStem.find(strCam) != std::string::npos)
+		{
+			return strCam;
+		}
+	}
+
+	return "";
+}
+
 int Extract_Name_Base::Read_Product_Image(std::string strPath)
 {
 
@@ -189,12 +248,17 @@ int Extract_ALL::Extract_Info(std::string strPath, std::string strproduct, int u
 	fs::path p = fs::path(strPath);
 	std::string filenameWithoutExt = p.stem().string();
 
+	// 记录半幅信息: 左半(A/BCAA/…_0_) / 右半(B/BCAB/…_1_), 用于配对时确定左右图
+	std::string strHalf;
+	Extract_Camera_And_Half(filenameWithoutExt, strHalf);
+
 	std::shared_ptr<Image_Info> pImage = std::make_shared<Image_Info>();
 
 	pImage->strProductID = strProductName;
 	pImage->strCamID = strCameraName;
 	pImage->strchannelName = strChannelName;
 	pImage->strName = filenameWithoutExt;
+	pImage->strHalf = strHalf;
 	pImage->strPath = strPath;
 	pCamera->image_list.push_back(pImage);
 
@@ -207,17 +271,10 @@ std::string Extract_ALL::Extract_Camera_Name(std::string strPath, int userflag)
 	fs::path p = fs::path(strPath);
 	std::string filename = p.stem();
 
-	// 文件名包含 BCA/BTA/DCA/DTA/CA/TA 即判定对应相机
-	if (filename.find("BCA") != std::string::npos)
-		return "BCA";
-	else if (filename.find("DCA") != std::string::npos)
-		return "DCA";
-	else if (filename.find("BTA") != std::string::npos)
-		return "BTA";
-	else if (filename.find("DTA") != std::string::npos)
-		return "DTA";
-
-	return "";
+	// 相机名从统一的命名解析中获取:
+	//   {相机}{A|B} 形式(BCAA/BCAB) 与 {相机}_{0|1} 形式(BCA_0/BCA_1) 均支持
+	std::string strHalf;
+	return Extract_Camera_And_Half(filename, strHalf);
 }
 
 std::string Extract_ALL::Extract_Product_Name(std::string strPath, int userflag)
@@ -252,6 +309,7 @@ std::string Extract_ALL::Extract_Channel_Name(std::string strPath, int userflag)
 	// 新格式: {Prefix}_{Camera}{AB}, 如 A_BCAA, M_DTAB, A_BCAB
 	// 通道名 = 前缀 (A/M), 表示不同打光方式
 	// 支持4相机: BCAA, BCAB, BTAA, BTAB, DCAA, DCAB, DTAA, DTAB
+	// 兼容 {Camera}_{0|1} 命名(如 BCA_0 / BCA_1), 其 0/1 对应 A/B
 	size_t underscorePos = filename.find('_');
 	if (underscorePos != std::string::npos)
 	{
@@ -259,7 +317,9 @@ std::string Extract_ALL::Extract_Channel_Name(std::string strPath, int userflag)
 		std::string rest = filename.substr(underscorePos + 1);
 		// 4相机格式
 		if (rest == "BCAA" || rest == "BCAB" || rest == "BTAA" || rest == "BTAB" ||
-			rest == "DCAA" || rest == "DCAB" || rest == "DTAA" || rest == "DTAB" )
+			rest == "DCAA" || rest == "DCAB" || rest == "DTAA" || rest == "DTAB" ||
+			rest == "BCA_0" || rest == "BCA_1" || rest == "BTA_0" || rest == "BTA_1" ||
+			rest == "DCA_0" || rest == "DCA_1" || rest == "DTA_0" || rest == "DTA_1")
 		{
 			return prefix;  // "A" or "M"
 		}
diff --git a/example/Read_Image.h b/example/Read_Image.h
index 0265f62..00a36a7 100644
--- a/example/Read_Image.h
+++ b/example/Read_Image.h
@@ -15,6 +15,20 @@
 namespace fs = std::filesystem;
 using namespace std;
 
+// ==================== 图片命名解析 ====================
+// 相机代码: BCA / BTA / DCA / DTA
+// 目前支持两种图片命名方式:
+//   1) {前缀}{相机}{A|B}          例: BCAA.jpg / A_BCAB.jpg / M_DTAB.jpg
+//      末位 A = 左半, B = 右半
+//   2) {前缀}_{相机}_{0|1}_{后缀}  例: 3ABD670013A8BG1_BCA_0_src.jpg
+//      0 = 左半, 1 = 右半
+// 两种命名的对应关系: BCA_0 等价于 BCAA, BCA_1 等价于 BCAB; BTA/DCA/DTA 同理。
+//
+// strStem : 去掉目录与扩展名的文件名
+// strHalf : 输出半幅信息, "A"=左半, "B"=右半, 无法判定时为空
+// 返回值  : 相机代码, 未识别到相机时返回空字符串
+std::string Extract_Camera_And_Half(const std::string &strStem, std::string &strHalf);
+
 // 图片信息
 struct Image_Info
 {
@@ -23,6 +37,7 @@ struct Image_Info
 	std::string strchannelName; // 通道名称
 	std::string strPath;		// 完整路径
 	std::string strName;		// 图片名称
+	std::string strHalf;		// 半幅: "A"=左半(BCAA/…_0_), "B"=右半(BCAB/…_1_)
 	cv::Mat img;				// 图像数据
 	long readImg_start;			// 读取开始时间
 	long readImg_end;			// 读取结束时间
@@ -41,6 +56,7 @@ struct Image_Info
 		strchannelName = "";
 		strPath = "";
 		strName = "";
+		strHalf = "";
 		img.release(); // 释放图像内存
 		readImg_start = 0;
 		readImg_end = 0;
@@ -53,6 +69,7 @@ struct Image_Info
 		std::cout << "Channel Name: " << strchannelName << std::endl;
 		std::cout << "Image Path: " << strPath << std::endl;
 		std::cout << "Image Name: " << strName << std::endl;
+		std::cout << "Image Half: " << strHalf << std::endl;
 		std::cout << "Read Start Time: " << readImg_start << std::endl;
 		std::cout << "Read End Time: " << readImg_end << std::endl;
 	}
diff --git a/example/deal.cpp b/example/deal.cpp
index fad1a3b..63032d6 100644
--- a/example/deal.cpp
+++ b/example/deal.cpp
@@ -556,19 +556,26 @@ int deal::preCheck()
     for (const auto pcam : product->camera_list)
     {
         auto& imgList = pcam->image_list;
-        // 同一camera内按配对处理：每两张图一组 (CAA+CAB / TAA+TAB)
-        // cv::glob 返回字母序，确保 A_CAA 在 A_CAB 前，M_CAA 在 M_CAB 前
+        // 同一camera内按配对处理：每两张图一组 (左半 + 右半)
+        // 支持 {相机}{A|B}(BCAA/BCAB) 与 {相机}_{0|1}(BCA_0/BCA_1, merg 目录) 两种命名
+        // 左半(A/…_0_)为左图, 右半(B/…_1_)为右图; 若读入顺序相反则交换
         for (size_t i = 0; i < imgList.size(); i += 2)
         {
+            std::shared_ptr<Image_Info> pLeft = imgList[i];
+            std::shared_ptr<Image_Info> pRight = (i + 1 < imgList.size()) ? imgList[i + 1] : nullptr;
+            if (pRight && pLeft->strHalf == "B" && pRight->strHalf == "A")
+            {
+                std::swap(pLeft, pRight);
+            }
             std::shared_ptr<JC_IMAGE_INFO_> tem = std::make_shared<JC_IMAGE_INFO_>();
             tem->strCamID = pcam->strCamName;
-            tem->strchannelName = imgList[i]->strchannelName;
-            tem->strName = imgList[i]->strName;
-            tem->strProductID = imgList[i]->strProductID;
-            tem->strPath = imgList[i]->strPath;
-            if (i + 1 < imgList.size())
+            tem->strchannelName = pLeft->strchannelName;
+            tem->strName = pLeft->strName;
+            tem->strProductID = pLeft->strProductID;
+            tem->strPath = pLeft->strPath;
+            if (pRight)
             {
-                tem->strPath_B = imgList[i + 1]->strPath;
+                tem->strPath_B = pRight->strPath;
             }
             InsertReadImgInfo(tem);
             AllImgNum++;
@@ -1340,30 +1347,15 @@ int deal::GetImgInfo_POL_ET(std::string strImgPath, JC_IMAGE_INFO_ *pImageInfo)
     strName = ExtractFileNameWithoutExtension(strImgPath);
     printf("strName  %s \n", strName.c_str());
 
-    std::string strImageChannel;
-
-    // 使用 find 检查是否包含 4 个相机标识 (BCA, BTA, DCA, DTA) 及兼容旧 CA/TA
-    if (strName.find("BCA") != std::string::npos)
-    {
-        strImageChannel = "BCA";
-    }
-    else if (strName.find("BTA") != std::string::npos)
-    {
-        strImageChannel = "BTA";
-    }
-    else if (strName.find("DCA") != std::string::npos)
-    {
-        strImageChannel = "DCA";
-    }
-    else if (strName.find("DTA") != std::string::npos)
-    {
-        strImageChannel = "DTA";
-    }
-    else
+    // 统一命名解析: 同时支持 {相机}{A|B}(BCAA/BCAB) 与 {相机}_{0|1}(BCA_0/BCA_1) 命名
+    // 对应关系: BCA_0 <=> BCAA, BCA_1 <=> BCAB; BTA/DCA/DTA 同理
+    std::string strHalf;
+    std::string strImageChannel = Extract_Camera_And_Half(strName, strHalf);
+    if (strImageChannel.empty())
     {
         return 1;
     }
-    printf("strImageChannel %s\n", strImageChannel.c_str());
+    printf("strImageChannel %s  strHalf %s\n", strImageChannel.c_str(), strHalf.c_str());
     pImageInfo->strchannelName = strImageChannel;
     pImageInfo->strName = strName;
     pImageInfo->strPath = strImgPath;
@@ -2482,7 +2474,8 @@ int deal::Det_OneProduct_Cell_ET(std::string strProductName, int Idx)
     int AllImgNum = detImgInfoList.size();
 
     // 遍历所有图片 开始读图处理
-    // 按相机分组，同相机内每两张配对 (BCAA+BCAB 拼接送检，与 preCheck 一致)
+    // 按相机分组，同相机内每两张配对 (A半+ B半 拼接送检，与 preCheck 一致)
+    // 注: 除旧的 BCAA/BCAB 命名外，同时支持 merg 目录下的 xxx_BCA_0_src / xxx_BCA_1_src 命名
     std::map<std::string, std::vector<int>> camGroups;
     for (int i = 0; i < (int)detImgInfoList.size(); i++)
     {
@@ -2494,11 +2487,25 @@ int deal::Det_OneProduct_Cell_ET(std::string strProductName, int Idx)
         auto& indices = kv.second;
         for (size_t i = 0; i < indices.size(); i += 2)
         {
+            int nLeftIdx = indices[i];
+            int nRightIdx = (i + 1 < indices.size()) ? indices[i + 1] : -1;
+            // 左右图由文件名决定: A半(BCAA/…_0_)为左图, B半(BCAB/…_1_)为右图; 顺序相反时交换
+            if (nRightIdx >= 0)
+            {
+                std::string strHalfL;
+                std::string strHalfR;
+                Extract_Camera_And_Half(detImgInfoList.at(nLeftIdx).strName, strHalfL);
+                Extract_Camera_And_Half(detImgInfoList.at(nRightIdx).strName, strHalfR);
+                if (strHalfL == "B" && strHalfR == "A")
+                {
+                    std::swap(nLeftIdx, nRightIdx);
+                }
+            }
             std::shared_ptr<JC_IMAGE_INFO_> tem = std::make_shared<JC_IMAGE_INFO_>();
-            tem->copy(detImgInfoList.at(indices[i]));
-            if (i + 1 < indices.size())
+            tem->copy(detImgInfoList.at(nLeftIdx));
+            if (nRightIdx >= 0)
             {
-                tem->strPath_B = detImgInfoList.at(indices[i + 1]).strPath;
+                tem->strPath_B = detImgInfoList.at(nRightIdx).strPath;
             }
             InsertReadImgInfo(tem);
             AllImgNum++;