diff --git a/AlgorithmModule/include/CheckUtil.hpp b/AlgorithmModule/include/CheckUtil.hpp
index 946fc47..c781c31 100644
--- a/AlgorithmModule/include/CheckUtil.hpp
+++ b/AlgorithmModule/include/CheckUtil.hpp
@@ -44,6 +44,7 @@ public:
 	static int SizeRect(cv::Rect &roi, int img_w, int img_h, int addw, int addh);
 	static int CalHj(const cv::Mat &img, const cv::Mat &mask, int b_value);
 	static int CalHj(const cv::Mat &img, const cv::Mat &mask, const cv::Mat &backgroundimg);
+	static int CalHjWeighted(const cv::Mat &img, const cv::Mat &mask, int b_value, float power = 2.0f);
 	static float CalRoi2RoiPre(cv::Rect rect1, cv::Rect rect2);
 	// 计算平均灰度
 	static float CalImgBrightness(cv::Mat imgRoi);
diff --git a/AlgorithmModule/src/CheckUtil.cpp b/AlgorithmModule/src/CheckUtil.cpp
index 7b247f8..d4848a1 100644
--- a/AlgorithmModule/src/CheckUtil.cpp
+++ b/AlgorithmModule/src/CheckUtil.cpp
@@ -457,6 +457,32 @@ int CheckUtil::CalHj(const cv::Mat &img, const cv::Mat &mask, const cv::Mat &bac
 	return meanValue123[0];
 }
 
+int CheckUtil::CalHjWeighted(const cv::Mat &img, const cv::Mat &mask, int b_value, float power)
+{
+	cv::Mat imgf;
+	if (img.type() != CV_32F)
+		img.convertTo(imgf, CV_32F);
+	else
+		imgf = img;
+
+	cv::Mat absDiff = cv::abs(imgf - b_value);
+
+	cv::Mat weight;
+	cv::pow(absDiff, power, weight);
+
+	cv::Mat maskedDiff, maskedWeight;
+	absDiff.copyTo(maskedDiff, mask);
+	weight.copyTo(maskedWeight, mask);
+
+	cv::Scalar weightedSum = cv::sum(maskedDiff.mul(weight));
+	cv::Scalar weightSum = cv::sum(maskedWeight);
+
+	if (weightSum[0] < 1e-6)
+		return 0;
+
+	return static_cast<int>(weightedSum[0] / weightSum[0]);
+}
+
 float CheckUtil::CalRoi2RoiPre(cv::Rect rect1, cv::Rect rect2)
 {
 	// 计算交集区域
diff --git a/AlgorithmModule/src/ImgCheckAnalysisy.cpp b/AlgorithmModule/src/ImgCheckAnalysisy.cpp
index c594317..3033aac 100644
--- a/AlgorithmModule/src/ImgCheckAnalysisy.cpp
+++ b/AlgorithmModule/src/ImgCheckAnalysisy.cpp
@@ -332,7 +332,7 @@ cv::Scalar ImgCheckAnalysisy::calc_blob_info_withstats(cv::Mat &img, const cv::M
 
 	// 计算 hj（差异图像大于0的像素均值）
 	// double hj = std::abs(fbk - fdet);
-	double hj = CheckUtil::CalHj(cimg, cmask, mean_bk.val[0]);
+	double hj = CheckUtil::CalHjWeighted(cimg, cmask, fbk, 2.0f);
 
 	int worb = 0;
 	if (fdet >= fbk)
@@ -381,7 +381,7 @@ double ImgCheckAnalysisy::CalBlobHJ(cv::Mat &img, const cv::Mat &mask, cv::Rect
 
 	// 计算 hj（差异图像大于0的像素均值）
 	// double hj = std::abs(fbk - fdet);
-	double hj = CheckUtil::CalHj(cimg, cmask, fbk);
+	double hj = CheckUtil::CalHjWeighted(cimg, cmask, fbk, 2.0f);
 	static int kkk = 0;
 
 	unsigned char *pErrordata = (unsigned char *)cimg.data;