diff --git a/huagao/Device/GScanO1003399.cpp b/huagao/Device/GScanO1003399.cpp
index 4d916fa2..11ef92b0 100644
--- a/huagao/Device/GScanO1003399.cpp
+++ b/huagao/Device/GScanO1003399.cpp
@@ -782,8 +782,9 @@ void GScanO1003399::imgproce(std::shared_ptr<std::vector<char>>& buff)
 			if (m_param.pixtype == 1 && m_param.hsvcorrect)
 				if (mats[i].channels() == 3)
 					cvtColor(mats[i], mats[i], cv::COLOR_BGR2GRAY);
-			idata = (isbwimg|| m_param.pixtype == 0 || (((m_param.automaticcolortype == 0) && (m_param.automaticcolor == true)) && (mats[i].channels() == 1))) ? (IMat2Bmp)Mat2BmpBw(mats[i], m_param.resolution_dst) : Mat2Bmp(mats[i], m_param.resolution_dst);
+			idata = (isbwimg|| m_param.pixtype == 0 || (((m_param.automaticcolortype == 0) && (m_param.automaticcolor == true)) && (mats[i].channels() == 1))) ? (IMat2Bmp)Mat2BmpBw(mats[i], m_param.resolution_dst) : (IMat2Bmp)Mat2Bmp(mats[i], m_param.resolution_dst);
 			m_imagedata.Put(idata.getBmpDataBuffer());
+			idata.~IMat2Bmp();
 		}
 	}
 
@@ -882,6 +883,11 @@ void GScanO1003399::proc(bool bcachemode)
 	b_imgprothread = true;
 	while (b_imgprothread)
 	{
+		if (m_imagedata.Size() > 0)
+		{
+			this_thread::sleep_for(chrono::milliseconds(10));
+			continue;
+		}
 		std::shared_ptr<std::vector<char>> buffer;
 		if (bcachemode) {
 			if (m_paths.Size() < 1)
diff --git a/huagao/Device/ImageMatQueue.h b/huagao/Device/ImageMatQueue.h
index dc1ea2ec..8b8b4502 100644
--- a/huagao/Device/ImageMatQueue.h
+++ b/huagao/Device/ImageMatQueue.h
@@ -16,7 +16,10 @@
 using namespace std;
 class IMat2Bmp {
 public:
-	virtual ~IMat2Bmp() {}
+	virtual ~IMat2Bmp() {
+		if (m_data.get())
+			m_data.reset();
+	}
 	virtual std::shared_ptr<std::vector<unsigned char>> getBmpDataBuffer() {
 		return m_data;
 	};
@@ -29,13 +32,33 @@ protected:
 class Mat2Bmp:public IMat2Bmp {
 public:
 	Mat2Bmp(const cv::Mat& mat,float res) {
-		m_data =std::shared_ptr<std::vector<unsigned char>>(new std::vector<unsigned char>());
+		//m_data =std::shared_ptr<std::vector<unsigned char>>(new std::vector<unsigned char>());
+		m_data.reset(new std::vector<unsigned char>());
 		int headersize = mat.channels() == 3 ? 54 : 1078;
-		int bmpdatasize = mat.step1() * mat.rows;
-		m_data->resize(headersize + bmpdatasize);
+		int  step = mat.step;
+		int bmpdatasize = (step + 3) / 4 * 4 * mat.rows;
+		int m_datalinesize = (step + 3) / 4 * 4;
+		int height = mat.rows;
+		//m_data->resize(headersize + bmpdatasize);
+		m_data.reset(new std::vector<unsigned char>(headersize + bmpdatasize));
+		if (mat.channels() == 1)
+		{
+			uchar colortable[256 * 4]{ 0 };
+			for (int i = 0; i < 256; i++) {
+				colortable[i*4] = colortable[i*4 + 1] = colortable[i*4 + 2] = i;
+			}
+			memcpy(m_data->data() + 54, colortable, 256 * 4);
+		}
 		cv::imencode(".bmp", mat, *(m_data.get()));
 		setBmpFileHeader(mat);
 		setBmpInfoHeader(mat, res);
+		//uchar* data = m_data->data() + headersize + bmpdatasize;
+		//uchar* matdata = mat.data;
+		//for (int i = 0; i < mat.rows; i++){
+		//	data -= m_datalinesize;
+		//	memcpy(data, matdata, step);
+		//	matdata += step;
+		//}
 	}
 private:
 	void setBmpFileHeader(const cv::Mat& mat)
diff --git a/huagao/stdafx.h b/huagao/stdafx.h
index e2d49214..44f46cf4 100644
Binary files a/huagao/stdafx.h and b/huagao/stdafx.h differ