diff --git a/huagao/Device/GScanO200.cpp b/huagao/Device/GScanO200.cpp
index 1de02f7b..7a419161 100644
--- a/huagao/Device/GScanO200.cpp
+++ b/huagao/Device/GScanO200.cpp
@@ -713,7 +713,7 @@ std::shared_ptr<std::vector<char>>  GScanO200::Get_Img_Data(int bufferSize)
 		int startindex = 0;
 		while (totalength > 0)
 		{
-			int dstlength = 1024 * 1024;
+			int dstlength = 512 * 1024;
 			if (totalength <= dstlength)
 			{
 				dstlength = totalength;
diff --git a/huagao/ImageProcess/ImageApplyAutoCrop.cpp b/huagao/ImageProcess/ImageApplyAutoCrop.cpp
index b929ab0e..8df60464 100644
--- a/huagao/ImageProcess/ImageApplyAutoCrop.cpp
+++ b/huagao/ImageProcess/ImageApplyAutoCrop.cpp
@@ -54,10 +54,6 @@ void CImageApplyAutoCrop::apply(cv::Mat& pDib, int side)
 
 	if (m_maxContour.size() == 0)
 	{
-		thre.release();
-#ifdef LOG
-		FileTools::write_log("imgprc.txt", "exit CImageApplyAutoCrop apply");
-#endif // LOG
 		return;
 	}
 	thre.release();
diff --git a/huagao/ImageProcess/ImageApplyRotation.cpp b/huagao/ImageProcess/ImageApplyRotation.cpp
index 8e8db5aa..801fcc02 100644
--- a/huagao/ImageProcess/ImageApplyRotation.cpp
+++ b/huagao/ImageProcess/ImageApplyRotation.cpp
@@ -91,12 +91,12 @@ void CImageApplyRotation::apply(cv::Mat & pDib, int side)
 			if (m_rotation == RotationType::Rotate_90_clockwise || m_rotation == RotationType::Rotate_90_anti_clockwise)	//90��  -90��
 			{
 				transpose(pDib, pDib);
-				flip(pDib, pDib, m_rotation == RotationType::Rotate_90_clockwise ? 1 : 0);
+				flip(pDib, pDib, m_rotation == RotationType::Rotate_90_clockwise ? 0 : 1);
 			}
 			else
 			{
-				flip(pDib, pDib, 0);
 				flip(pDib, pDib, 1);
+				flip(pDib, pDib, 0);
 			}
 		}
 	}
@@ -105,7 +105,7 @@ void CImageApplyRotation::apply(cv::Mat & pDib, int side)
 		if (m_rotation == RotationType::Rotate_90_clockwise || m_rotation == RotationType::Rotate_90_anti_clockwise)	//90��  -90��
 		{
 			transpose(pDib, pDib);
-			flip(pDib, pDib, m_rotation == RotationType::Rotate_90_clockwise ? 0 : 1);
+			flip(pDib, pDib, m_rotation == RotationType::Rotate_90_clockwise ? 1 : 0);
 		}
 		else if (m_rotation == RotationType::Rotate_180)
 		{
diff --git a/huagao/huagaods.cpp b/huagao/huagaods.cpp
index 6d2b07c8..9d55c516 100644
--- a/huagao/huagaods.cpp
+++ b/huagao/huagaods.cpp
@@ -850,9 +850,19 @@ Result HuagaoDs::identityOpenDs(const Identity&) {
 	m_caps[CapType::UiControllable] = std::bind(oneValGet<Bool>, _1, _2, Bool(true));
 
 	m_query[CapType::DeviceOnline] = msgSupportGetAll;
-	m_caps[CapType::DeviceOnline] = std::bind(enmGet<Bool>, _1, _2, Bool(scanner->IsConnected()));
-
+	//m_caps[CapType::DeviceOnline] = std::bind(enmGet<Bool>, _1, _2, Bool(scanner->IsConnected()));
+	m_caps[CapType::DeviceOnline] = [this](Msg msg, Capability& data) -> Result {
+		switch (msg) {
+		case Msg::Get:
+		case Msg::GetCurrent:
+		case Msg::GetDefault:
+			data = Capability::createOneValue<CapType::DeviceOnline>((Twpp::Bool)scanner->IsConnected());
+			return {};
 
+		default:
+			return { ReturnCode::Failure, ConditionCode::CapBadOperation };
+		}
+	};
 
 	m_query[CapType::XferCount] = msgSupportGetAllSetReset;
 	m_caps[CapType::XferCount] = [this](Msg msg, Capability& data) -> Result {
diff --git a/huagao/stdafx.h b/huagao/stdafx.h
index 4d5a64b6..e93aee20 100644
Binary files a/huagao/stdafx.h and b/huagao/stdafx.h differ