diff --git a/example/deal.cpp b/example/deal.cpp
index 688d569..7f6b26f 100644
--- a/example/deal.cpp
+++ b/example/deal.cpp
@@ -197,6 +197,10 @@ deal::deal()
     m_nProductReadThreadNum = READ_PRODUCT_THREAD_NUM;
     m_nProductQueueMaxSize = PRODUCT_QUEUE_MAX_SIZE;
     m_nCheckNotifiedCount = 0;
+
+    // ✅ 图片尺寸一致性保护
+    m_nExpectedImgWidth = -1;
+    m_nExpectedImgHeight = -1;
 }
 
 deal::~deal()
@@ -1486,6 +1490,10 @@ int deal::CheckProduct(const LoadProductImages &product)
     m_ProductFailedList.clear();
     m_nCheckNotifiedCount = 0;
 
+    // ✅ 重置图片期望尺寸（每个产品批次独立）
+    m_nExpectedImgWidth = -1;
+    m_nExpectedImgHeight = -1;
+
     // ✅ 修复内存泄漏：清理上一个产品累积的原始图像数据（cv::Mat）
     // 注意：m_DetResult 是统计结果（轻量字符串/数字），不清除，跨产品累积
     m_ImageInfoList.clear();
@@ -1667,6 +1675,42 @@ int deal::SendCheckImg(const CheckImgNotifyInfo &info, IN_IMG_Status_ status, bo
 
     m_nProductSuccessCount.fetch_add(1);
 
+    // ✅ 图片尺寸一致性保护：获取当前图片的有效图像
+    cv::Mat curImg;
+    if (!info.left_img.empty())
+    {
+        curImg = info.left_img;
+    }
+    else if (!info.right_img.empty())
+    {
+        curImg = info.right_img;
+    }
+
+    if (!curImg.empty())
+    {
+        // 首次设置期望尺寸
+        if (m_nExpectedImgWidth < 0 || m_nExpectedImgHeight < 0)
+        {
+            m_nExpectedImgWidth = curImg.cols;
+            m_nExpectedImgHeight = curImg.rows;
+            printf("[尺寸基准] 产品 %s 首张图片尺寸: %dx%d (channel: %s)\n",
+                   info.productId.c_str(), m_nExpectedImgWidth, m_nExpectedImgHeight,
+                   info.channelName.c_str());
+        }
+        // 尺寸不一致时，resize 到期望尺寸
+        else if (curImg.cols != m_nExpectedImgWidth || curImg.rows != m_nExpectedImgHeight)
+        {
+            printf("[尺寸修正] 产品 %s 图片尺寸不一致: 期望 %dx%d, 实际 %dx%d (channel: %s)，正在resize...\n",
+                   info.productId.c_str(),
+                   m_nExpectedImgWidth, m_nExpectedImgHeight,
+                   curImg.cols, curImg.rows,
+                   info.channelName.c_str());
+            cv::Mat resizedImg;
+            cv::resize(curImg, resizedImg, cv::Size(m_nExpectedImgWidth, m_nExpectedImgHeight));
+            curImg = resizedImg;
+        }
+    }
+
     std::shared_ptr<shareImage> tem = std::make_shared<shareImage>();
 
     tem->strChannel = info.channelName;
@@ -1701,13 +1745,9 @@ int deal::SendCheckImg(const CheckImgNotifyInfo &info, IN_IMG_Status_ status, bo
 
 
     {
-        if (!info.left_img.empty())
-        {
-            tem->img = info.left_img;
-        }
-        else if (!info.right_img.empty())
+        if (!curImg.empty())
         {
-            tem->img = info.right_img;
+            tem->img = curImg;
         }
     }
 
diff --git a/example/deal.h b/example/deal.h
index b4fe27b..25f8606 100644
--- a/example/deal.h
+++ b/example/deal.h
@@ -803,6 +803,10 @@ public:
 	std::condition_variable m_productResultCV;          // 产品结果保存通知CV（每次save后notify）
 
 	std::set<std::string> m_productIdList; // 产品ID列表
+
+	// ============ 图片尺寸一致性保护 ============
+	int m_nExpectedImgWidth;   // 当前产品批次期望的图片宽度（-1 表示未设置）
+	int m_nExpectedImgHeight;  // 当前产品批次期望的图片高度（-1 表示未设置）
 };
 
 #endif //_CORELOGICFACTORY_HPP_
\ No newline at end of file