diff --git a/HPPA/AppSettings.cpp b/HPPA/AppSettings.cpp
new file mode 100644
index 0000000..c0cb737
--- /dev/null
+++ b/HPPA/AppSettings.cpp
@@ -0,0 +1,25 @@
+#include "AppSettings.h"
+
+const QString AppSettings::kDefaultDataFolder = QStringLiteral("C:\\HPPA_image");
+
+AppSettings::AppSettings()
+	: m_settings(QSettings::IniFormat, QSettings::UserScope,
+		QStringLiteral("IRIS"), QStringLiteral("HPPA"))
+{
+}
+
+AppSettings& AppSettings::instance()
+{
+	static AppSettings s;
+	return s;
+}
+
+QString AppSettings::dataFolder() const
+{
+	return m_settings.value("General/DataFolder", kDefaultDataFolder).toString();
+}
+
+void AppSettings::setDataFolder(const QString& path)
+{
+	m_settings.setValue("General/DataFolder", path);
+}
diff --git a/HPPA/AppSettings.h b/HPPA/AppSettings.h
new file mode 100644
index 0000000..68d0891
--- /dev/null
+++ b/HPPA/AppSettings.h
@@ -0,0 +1,26 @@
+#pragma once
+
+#include <QSettings>
+#include <QString>
+
+class AppSettings
+{
+public:
+	static AppSettings& instance();
+
+	// 数据路径
+	QString dataFolder() const;
+	void setDataFolder(const QString& path);
+
+	// 在此处添加更多参数的 getter/setter ...
+
+private:
+	AppSettings();
+	AppSettings(const AppSettings&) = delete;
+	AppSettings& operator=(const AppSettings&) = delete;
+
+	QSettings m_settings;
+
+	// 默认值
+	static const QString kDefaultDataFolder;
+};
diff --git a/HPPA/HPPA.vcxproj b/HPPA/HPPA.vcxproj
index 2a12430..6c532eb 100644
--- a/HPPA/HPPA.vcxproj
+++ b/HPPA/HPPA.vcxproj
@@ -108,6 +108,7 @@
   <ItemGroup>
     <ClCompile Include="aboutWindow.cpp" />
     <ClCompile Include="adjustTable.cpp" />
+    <ClCompile Include="AppSettings.cpp" />
     <ClCompile Include="AspectRatioLabel.cpp" />
     <ClCompile Include="CaptureCoordinator.cpp" />
     <ClCompile Include="Carousel.cpp" />
@@ -204,6 +205,7 @@
     <QtMoc Include="imageControl.h" />
     <QtMoc Include="AspectRatioLabel.h" />
     <QtMoc Include="HyperImagerControl.h" />
+    <ClInclude Include="AppSettings.h" />
     <ClInclude Include="imager_base.h" />
     <ClInclude Include="irisximeaimager.h" />
     <QtMoc Include="OneMotorControl.h" />
diff --git a/HPPA/HPPA.vcxproj.filters b/HPPA/HPPA.vcxproj.filters
index e3c9832..3d53621 100644
--- a/HPPA/HPPA.vcxproj.filters
+++ b/HPPA/HPPA.vcxproj.filters
@@ -202,6 +202,9 @@
     <ClCompile Include="setWindow.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="AppSettings.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <QtMoc Include="fileOperation.h">
@@ -371,6 +374,9 @@
     <ClInclude Include="LayerTreeView.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="AppSettings.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <QtUic Include="FocusDialog.ui">
diff --git a/HPPA/ImagerOperationBase.cpp b/HPPA/ImagerOperationBase.cpp
index 6c7b345..2b6e6d9 100644
--- a/HPPA/ImagerOperationBase.cpp
+++ b/HPPA/ImagerOperationBase.cpp
@@ -1,4 +1,4 @@
-#include "ImagerOperationBase.h"
+#include "ImagerOperationBase.h"
 
 ImagerOperationBase::ImagerOperationBase()
 {
@@ -44,11 +44,11 @@ void ImagerOperationBase::connect_imager(int frameNumber)
 
 double ImagerOperationBase::auto_exposure()
 {
-	//��һ�����������ع�ʱ��Ϊ�ڵ�ǰ֡����������
-	double x = 1 / getFramerate() * 1000;//��ȡ�������ع�ʱ��
+	//第一步：先设置曝光时间为在当前帧率情况下最大
+	double x = 1 / getFramerate() * 1000;//获取最大毫秒曝光时间
 	setIntegrationTime(x);
 
-	//�ڶ�����ͨ��ѭ��Ѱ������ع�ʱ��
+	//第二步：通过循环寻找最佳曝光时间
 	imagerStartCollect();
 
 	while (true)
@@ -57,7 +57,7 @@ double ImagerOperationBase::auto_exposure()
 		if (GetMaxValue(buffer, m_FrameSize) >= 4094)
 		{
 			setIntegrationTime(getIntegrationTime() * 0.95);
-			std::cout << "�Զ��ع�-----------" << std::endl;
+			std::cout << "自动曝光-----------" << std::endl;
 		}
 		else
 		{
@@ -69,7 +69,7 @@ double ImagerOperationBase::auto_exposure()
 
 	emit autoExposureSignal();
 
-	//std::cout << "�Զ��ع⣺" << getIntegrationTime() << std::endl;
+	//std::cout << "自动曝光：" << getIntegrationTime() << std::endl;
 
 	return getIntegrationTime();
 }
@@ -79,7 +79,7 @@ void ImagerOperationBase::focus()
 	m_iFocusFramesNumber = 0;
 
 	m_iFocusFrameCounter = 1;
-	//std::cout << "����-----------" << std::endl;
+	//std::cout << "调焦-----------" << std::endl;
 
 	double tmpFrmerate = getFramerate();
 	double tmpIntegrationTime = getIntegrationTime();
@@ -87,7 +87,7 @@ void ImagerOperationBase::focus()
 
 	setFramerate(5);
 	auto_exposure();
-	std::cout << "������õ��ع�ʱ��Ϊ��" << getIntegrationTime() << std::endl;
+	std::cout << "调焦获得的曝光时间为：" << getIntegrationTime() << std::endl;
 
 	int iWidth, iHeight;
 	GetFrameSize(iWidth, iHeight);
@@ -99,7 +99,7 @@ void ImagerOperationBase::focus()
 	m_bFocusControlState = true;
 	while (m_bFocusControlState)
 	{
-		////��֡ƽ����������֡����
+		////多帧平均，减弱单帧跳动
 		//memset((void*)buffer, 0, m_FrameSize * sizeof(unsigned short));
 		//int fn = 5;
 		//for (int i = 0; i < fn; i++)
@@ -123,7 +123,7 @@ void ImagerOperationBase::focus()
 
 		double focusIndex = calcFocusIndexSobelPrivate(buffer);
 		emit FocusIndexSobelSignal(focusIndex);
-		std::cout << "focusIndex��" << focusIndex << std::endl;
+		std::cout << "focusIndex：" << focusIndex << std::endl;
 
 		emit SpectralSignal(1);
 
@@ -140,7 +140,7 @@ void ImagerOperationBase::focus()
 
 void ImagerOperationBase::record_dark()
 {
-	std::cout << "�ɼ�������������������������" << std::endl;
+	std::cout << "采集暗电流！！！！！！！！！" << std::endl;
 	imagerStartCollect();
 	
 	unsigned int* dark_tmp = new unsigned int[m_FrameSize];
@@ -172,7 +172,7 @@ void ImagerOperationBase::record_dark()
 
 void ImagerOperationBase::record_white()
 {
-	std::cout << "�ɼ��װ壡����������������" << std::endl;
+	std::cout << "采集白板！！！！！！！！！" << std::endl;
 	imagerStartCollect();
 
 	unsigned int* white_tmp = new unsigned int[m_FrameSize];
@@ -197,7 +197,7 @@ void ImagerOperationBase::record_white()
 	
 	imagerStopCollect();
 
-	//�װ�۰�����
+	//白板扣暗电流
 	if (m_HasDark)
 	{
 		for (size_t i = 0; i < m_FrameSize; i++)
@@ -225,17 +225,17 @@ void ImagerOperationBase::start_record()
     //std::cout << "------------------------------------------------------" << std::endl;
 
 	m_iFrameCounter = 0;
-	m_RgbImage->m_iFrameCounter = 0;//�������rgbͼ��ĵ�0��
+	m_RgbImage->m_iFrameCounter = 0;//设置填充rgb图像的第0行
 	m_bRecordControlState = true;
 
-	//�ж��ڴ�buffer�Ƿ���������
+	//判断内存buffer是否正常分配
 	if (buffer == 0)
 	{
 		std::cerr << "Error: memory could not be allocated for datacube";
 		exit(EXIT_FAILURE);
 	}
 
-	// �ڿ�ʼ�ɼ�ʱ�������ļ���Ϣ��UI �����д��� MapLayer ��������������
+	// 在开始采集时仅发出文件信息，UI 层自行创建 MapLayer 并管理生命周期
 	// prepare file name that will be used for saving
 	m_FileName2Save2 = m_FileName2Save + "_" + std::to_string(m_FileSavedCounter) + ".bil";
 	QString baseName = QString::fromStdString(getFileNameFromPath(m_FileName2Save2));
@@ -258,7 +258,7 @@ void ImagerOperationBase::start_record()
 		getFrame(buffer);
 		long long timeOs = getNanosecondsSinceMidnight();
 
-		//��ȥ��������ӦΪbuffer��dark����unsigned short�����Ե�dark>bufferʱ��buffer-dark=65535
+		//减去暗电流，应为buffer和dark都是unsigned short，所以当dark>buffer时，buffer-dark=65535
 		if (m_HasDark)
 		{
 			for (size_t i = 0; i < m_FrameSize; i++)
@@ -276,12 +276,12 @@ void ImagerOperationBase::start_record()
 		}
 
 
-		//ת������
+		//转反射率
 		if (m_HasWhite)
 		{
 			for (size_t i = 0; i < m_FrameSize; i++)
 			{
-				//�����������װ壩Ϊ0�����
+				//处理除数（白板）为0的情况
 				if (white[i] != 0)
 				{
 					pixelValueTmp = buffer[i];
@@ -299,12 +299,12 @@ void ImagerOperationBase::start_record()
 		x = fwrite(buffer, 2, m_FrameSize, m_fImage);
 		fprintf(hTimesFile, "%d\n", timeOs);
 
-		//��rgb������ȡ�������Ա��ڽ�������ʾ
+		//将rgb波段提取出来，以便在界面中显示
 		m_RgbImage->FillRgbImage(buffer);//??????????????????????????????????????????????????????????????????????????????????????????????????????
 
-		//std::cout << "��" << m_iFrameCounter << "֡д��" << x << "��unsigned short��" << std::endl;
+		//std::cout << "第" << m_iFrameCounter << "帧写了" << x << "个unsigned short。" << std::endl;
 
-		//ÿ��1s����һ�ν���ͼ�λ���
+		//每隔1s进行一次界面图形绘制
 		if (m_iFrameCounter % (int)getFramerate() == 0)
 		{
 			emit PlotSignal(m_FileSavedCounter, m_iFrameCounter, filePath);
@@ -318,15 +318,15 @@ void ImagerOperationBase::start_record()
 	}
 	imagerStopCollect();
 
-	//�����һ�λ�ͼǰ��Ҫ����һ������
+	//在最后一次画图前需要进行一次拉伸
 	//m_RgbImage
 	emit PlotSignal(m_FileSavedCounter, -1, filePath);
 
 	m_bRecordControlState = false;
 	WriteHdr();
 
-	// ���� ImageFileSaved �źţ�֪ͨ UI ��Ѹ��ļ�����ͼ�������
-	// m_FileName2Save2 �����˱���д��� .bil �ļ��������� "tmp_image_0.bil"��
+	// 发射 ImageFileSaved 信号，通知 UI 层把该文件加入图层管理器
+	// m_FileName2Save2 保存了本次写入的 .bil 文件名（例如 "tmp_image_0.bil"）
 	emit ImageFileSaved(QString::fromStdString(m_FileName2Save2), m_FileSavedCounter);
 
 	m_FileSavedCounter++;
@@ -397,7 +397,7 @@ double ImagerOperationBase::calcFocusIndexSobelPrivate(void* pvData)
 	unsigned short* psData;
 	psData = (unsigned short*)pvData;
 
-	cv::Mat gray(iHeight, iWidth, CV_16UC1, psData);//����֤��gray.data�����ݺ�psDataһ����
+	cv::Mat gray(iHeight, iWidth, CV_16UC1, psData);//经验证，gray.data的数据和psData一样；
 	/*string rgbFilePathNoStrech = "E:\\hppa\\delete\\focusImg_";
 	string tmp1 = std::to_string(m_iFocusFramesNumber);
 	string tmp2 = ".png";*/
@@ -407,7 +407,7 @@ double ImagerOperationBase::calcFocusIndexSobelPrivate(void* pvData)
 	//cv::imwrite(rgbFilePathNoStrech, gray);
 	m_iFocusFramesNumber++;
 
-	//�����˲�
+	//进行滤波
 	//cv::Mat outputImage;
 	//cv::Size kernelSize(5, 5);
 	//double sigmaX = 1.5;
@@ -417,7 +417,7 @@ double ImagerOperationBase::calcFocusIndexSobelPrivate(void* pvData)
 
 	cv::Mat gradX, gradY, absGradX, absGradY;
 
-	cv::Sobel(outputImage, gradX, CV_32F, 1, 0);//�������ΪCV_16S������cv::magnitude����
+	cv::Sobel(outputImage, gradX, CV_32F, 1, 0);//如果参数为CV_16S，则函数cv::magnitude报错
 	cv::Sobel(outputImage, gradY, CV_32F, 0, 1);
 	cv::convertScaleAbs(gradX, absGradX);
 	cv::convertScaleAbs(gradY, absGradY);
@@ -426,7 +426,7 @@ double ImagerOperationBase::calcFocusIndexSobelPrivate(void* pvData)
 
 	cv::Mat magnitude, direction;
 	cv::magnitude(gradX, gradY, magnitude);//
-	cv::phase(gradX, gradY, direction, true);  // true��ʾ���ؽǶȶ��ǻ���
+	cv::phase(gradX, gradY, direction, true);  // true表示返回角度而非弧度
 
 
 	return cv::mean(magnitude)[0];
@@ -479,23 +479,23 @@ int ImagerOperationBase::getFocusFrameCounter() const
 
 void ImagerOperationBase::set_buffer()
 {
-	//���
+	//如果
 	if (buffer != nullptr)
 	{
-		std::cout << "�ͷŶ����ڴ�" << std::endl;
+		std::cout << "释放堆上内存" << std::endl;
 		free(buffer);
 	}
 
 	m_FrameSize = getBandCount() * getSampleCount();
-	//std::cout << "m_FrameSize��СΪ" << m_FrameSize << std::endl;
+	//std::cout << "m_FrameSize大小为" << m_FrameSize << std::endl;
 
 	buffer = new unsigned short[m_FrameSize];
 	dark = new unsigned short[m_FrameSize];
 	white = new unsigned short[m_FrameSize];
 
-	std::cout << "buffer�ڴ��ַ" << buffer << std::endl;
-	std::cout << "dark�ڴ��ַ" << dark << std::endl;
-	std::cout << "white�ڴ��ַ" << white << std::endl;
+	std::cout << "buffer内存地址" << buffer << std::endl;
+	std::cout << "dark内存地址" << dark << std::endl;
+	std::cout << "white内存地址" << white << std::endl;
 }
 
 void ImagerOperationBase::WriteHdr()
@@ -540,6 +540,6 @@ unsigned short ImagerOperationBase::GetMaxValue(unsigned short* dark, int number
 			max = dark[i];
 		}
 	}
-	//std::cout << "��֡���ֵΪ" << max << std::endl;
+	//std::cout << "本帧最大值为" << max << std::endl;
 	return max;
 }
diff --git a/HPPA/ImagerOperationBase.h b/HPPA/ImagerOperationBase.h
index d5f94d5..ea9054d 100644
--- a/HPPA/ImagerOperationBase.h
+++ b/HPPA/ImagerOperationBase.h
@@ -1,4 +1,4 @@
-#pragma once
+#pragma once
 #include <QObject>
 #include <QString>
 
@@ -49,7 +49,7 @@ public:
     int getFrameCounter() const;
     int getFocusFrameCounter() const;
 
-    unsigned short* buffer;//�洢�ɼ�����Ӱ����м��������һ��д�뵽Ӳ����
+    unsigned short* buffer;//存储采集到的影像的中间变量，下一步写入到硬盘中
     void set_buffer();
     void setFileName2Save(string FileName);
 
@@ -60,25 +60,25 @@ public:
     
 
 protected:
-    CImage* m_RgbImage;//��ʾ��rgbͼ��
-    bool m_bRecordControlState;//�ɼ�״̬��������ִ��ֹͣ�ɼ�����
-    int m_iFrameCounter;//��¼�ɼ���֡��
-    int m_iFocusFrameCounter;//��¼����ʱ�ɼ���֡��
-    int m_FrameSize;//��ʾһ֡�����ж��ٸ���ֵ��m_FrameSize = m_imager.get_band_count()*m_imager.get_sample_count();
-    int m_iFrameNumber;//��Ҫ�ɼ�����֡��
+    CImage* m_RgbImage;//显示的rgb图像
+    bool m_bRecordControlState;//采集状态；可用于执行停止采集操作
+    int m_iFrameCounter;//记录采集的帧数
+    int m_iFocusFrameCounter;//记录调焦时采集的帧数
+    int m_FrameSize;//表示一帧代表有多少个数值：m_FrameSize = m_imager.get_band_count()*m_imager.get_sample_count();
+    int m_iFrameNumber;//需要采集的总帧数
 
-    //���������������ڸ������Ӱ���ļ�����
-    string m_FileName2Save;//�����Ӱ���ļ���
+    //以下两个参数用于给保存的影像文件命名
+    string m_FileName2Save;//保存的影像文件名
     string m_FileName2Save2;
-    int m_FileSavedCounter;//�����˼���Ӱ���ļ�
+    int m_FileSavedCounter;//保存了几个影像文件
 
-    bool m_HasDark;//���ɼ��˰�����֮������Ϊtrue
-    bool m_HasWhite;//���ɼ��˰װ�֮������Ϊtrue
+    bool m_HasDark;//当采集了暗电流之后，设置为true
+    bool m_HasWhite;//当采集了白板之后，设置为true
 
-    unsigned short* dark;//�洢������
-    unsigned short* white;//�洢�װ�
+    unsigned short* dark;//存储暗电流
+    unsigned short* white;//存储白板
 
-    bool m_bFocusControlState;//���Ƶ�������
+    bool m_bFocusControlState;//控制调焦结束
 
     
 
@@ -92,7 +92,7 @@ private:
     double calcFocusIndexSobelPrivate(void* pvData);
 
 public slots:
-    virtual void connect_imager(int frameNumber);//������������ٻ���
+    virtual void connect_imager(int frameNumber);//连接相机、开辟缓存
     virtual double auto_exposure();
     virtual void focus();
     virtual void start_record();
@@ -102,10 +102,10 @@ public slots:
 
     void getFocusIndexSobel();
 signals:
-    void PlotSignal(int, int, QString);//����Ӱ���źţ���һ���������ڼ���Ӱ�񣻵ڶ����������ɼ�����֡����-1�����˴βɼ������һ�λ���
-    void RecordFinishedSignal_WhenFrameNumberMeet();//�ɼ�����źţ���Ҫ�ɼ�����֡����m_iFrameNumber���ɼ����
-    void RecordFinishedSignal_WhenFrameNumberNotMeet();//�ɼ�����źţ���Ҫ�ɼ�����֡����m_iFrameNumber��û�вɼ���ɣ���;ֹͣ�ɼ�
-    void SpectralSignal(int);//����1�������ڵ��������ƹ��ף�����0��ʾ������ɣ�
+    void PlotSignal(int, int, QString);//绘制影像信号，第一个参数：第几个影像；第二个参数：采集到的帧数，-1代表此次采集的最后一次绘制
+    void RecordFinishedSignal_WhenFrameNumberMeet();//采集完成信号：需要采集的总帧数（m_iFrameNumber）采集完成
+    void RecordFinishedSignal_WhenFrameNumberNotMeet();//采集完成信号：需要采集的总帧数（m_iFrameNumber）没有采集完成，中途停止采集
+    void SpectralSignal(int);//发射1代表正在调焦，绘制光谱，发射0表示调焦完成；
 
     void RecordWhiteFinishSignal();
     void RecordDarlFinishSignal();
@@ -113,12 +113,12 @@ signals:
     void FocusIndexSobelSignal(double);
 
 
-    void testImagerStatus();//��ʾ���Բ����������״̬���Ƿ����ӣ�����ӳ��������
+    void testImagerStatus();//表示可以测试相机连接状态：是否连接，并反映到界面上
     void autoExposureSignal();
 
-    // ��������һ��Ӱ���ļ���.bil/.hdr��д����ɺ󷢳�����Ӳɼ��̷߳�����Qt ���� queued connection��
+    // 新增：当一组影像文件（.bil/.hdr）写入完成后发出（会从采集线程发出，Qt 会做 queued connection）
     void ImageFileSaved(const QString& path, int fileIndex);
 
-    // �޸ģ�����ֱ�ӷ��� MapLayer*�����Ƿ����ļ������ļ�·����UI �㸺�𴴽� MapLayer ���󲢹�����������
+    // 修改：不再直接发送 MapLayer*，而是发送文件名与文件路径，UI 层负责创建 MapLayer 对象并管理生命周期
     void LayerFileCreated(const QString& baseName, const QString& filePath, int fileIndex);
 };
diff --git a/HPPA/fileOperation.cpp b/HPPA/fileOperation.cpp
index 8c82ed5..79916be 100644
--- a/HPPA/fileOperation.cpp
+++ b/HPPA/fileOperation.cpp
@@ -1,5 +1,6 @@
 #include "stdafx.h"
 #include "fileOperation.h"
+#include "AppSettings.h"
 
 FileOperation::FileOperation()
 {
@@ -27,6 +28,11 @@ string FileOperation::getDirectoryOfExe()
 
 string FileOperation::getDirectoryFromString(string directory)
 {
+	if (directory.empty())
+	{
+		directory = AppSettings::instance().dataFolder().toStdString();
+	}
+
 	QString tmp = QString::fromStdString(directory);
 	QDir dir;
 	if (!dir.exists(tmp))
@@ -41,7 +47,7 @@ bool FileOperation::copyFile(QString source, QString target)
 {
 	string source1 = source.toStdString();
 	string target1 = target.toStdString();
-
+	
 	char buffer[256];
 	int n;
 
diff --git a/HPPA/fileOperation.h b/HPPA/fileOperation.h
index 784d23d..44adf3c 100644
--- a/HPPA/fileOperation.h
+++ b/HPPA/fileOperation.h
@@ -17,7 +17,7 @@ public:
 	~FileOperation();
 
 	string getDirectoryOfExe();//getDirectoryOfExe
-	string getDirectoryFromString(string directory="C:\\HPPA_image");
+	string getDirectoryFromString(string directory="");
 
 
 	
diff --git a/HPPA/set.ui b/HPPA/set.ui
index f7ffd06..93f8510 100644
--- a/HPPA/set.ui
+++ b/HPPA/set.ui
@@ -10,7 +10,7 @@
     <x>0</x>
     <y>0</y>
     <width>486</width>
-    <height>401</height>
+    <height>229</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -234,42 +234,25 @@ QPushButton:pressed
       </item>
       <item row="1" column="0">
        <widget class="QWidget" name="widget" native="true">
-        <widget class="QLabel" name="label">
-         <property name="geometry">
-          <rect>
-           <x>20</x>
-           <y>60</y>
-           <width>54</width>
-           <height>12</height>
-          </rect>
-         </property>
-         <property name="text">
-          <string>数据路径</string>
-         </property>
-        </widget>
-        <widget class="QLineEdit" name="dataFolderLineEdit">
-         <property name="geometry">
-          <rect>
-           <x>80</x>
-           <y>50</y>
-           <width>113</width>
-           <height>30</height>
-          </rect>
-         </property>
-        </widget>
-        <widget class="QPushButton" name="dataFolderBtn">
-         <property name="geometry">
-          <rect>
-           <x>210</x>
-           <y>50</y>
-           <width>101</width>
-           <height>31</height>
-          </rect>
-         </property>
-         <property name="text">
-          <string>...</string>
-         </property>
-        </widget>
+        <layout class="QGridLayout" name="gridLayout_2">
+         <item row="0" column="0">
+          <widget class="QLabel" name="label">
+           <property name="text">
+            <string>数据路径</string>
+           </property>
+          </widget>
+         </item>
+         <item row="0" column="1">
+          <widget class="QLineEdit" name="dataFolderLineEdit"/>
+         </item>
+         <item row="0" column="2">
+          <widget class="QPushButton" name="dataFolderBtn">
+           <property name="text">
+            <string>...</string>
+           </property>
+          </widget>
+         </item>
+        </layout>
        </widget>
       </item>
      </layout>
diff --git a/HPPA/setWindow.cpp b/HPPA/setWindow.cpp
index 03a64b2..9ed9ad5 100644
--- a/HPPA/setWindow.cpp
+++ b/HPPA/setWindow.cpp
@@ -1,27 +1,49 @@
 #include "setWindow.h"
+#include "AppSettings.h"
 #include <QSvgRenderer>
-#include <QPainter> 
+#include <QPainter>
+#include <QFileDialog>
 
 setWindow::setWindow(QWidget* parent)
 {
 	ui.setupUi(this);
 
-	//Qt::WindowFlags flags = 0;
-	////flags |= Qt::WindowMinimizeButtonHint;
-	//flags |= Qt::WindowCloseButtonHint;
-	//flags |= Qt::MSWindowsFixedSizeDialogHint;
-	//setWindowFlags(flags);
 	setWindowFlags(Qt::FramelessWindowHint);
 
 	connect(this->ui.closeBtn, SIGNAL(released()), this, SLOT(onExit()));
+	connect(this->ui.dataFolderBtn, SIGNAL(clicked()), this, SLOT(onSelectDataFolder()));
+
+	loadSettings();
 }
 
 setWindow::~setWindow()
 {
+}
 
+void setWindow::loadSettings()
+{
+	ui.dataFolderLineEdit->setText(AppSettings::instance().dataFolder());
+}
+
+void setWindow::saveSettings()
+{
+	AppSettings::instance().setDataFolder(ui.dataFolderLineEdit->text());
+}
+
+void setWindow::onSelectDataFolder()
+{
+	QString dir = QFileDialog::getExistingDirectory(this,
+		QString::fromLocal8Bit("选择数据保存路径"),
+		ui.dataFolderLineEdit->text());
+
+	if (!dir.isEmpty())
+	{
+		ui.dataFolderLineEdit->setText(dir);
+	}
 }
 
 void setWindow::onExit()
 {
+	saveSettings();
 	this->close();
 }
diff --git a/HPPA/setWindow.h b/HPPA/setWindow.h
index 15bf78e..ffe9c16 100644
--- a/HPPA/setWindow.h
+++ b/HPPA/setWindow.h
@@ -2,25 +2,25 @@
 #include <QtWidgets/qdialog.h>
 #include <qstring.h>
 
-
 #include "ui_set.h"
 
 class setWindow :public QDialog
 {
 	Q_OBJECT
 
-
 public:
 	setWindow(QWidget* parent = Q_NULLPTR);
 	~setWindow();
 
-
-
 private:
 	Ui::setDialog ui;
 
+	void loadSettings();
+	void saveSettings();
+
 public Q_SLOTS:
 	void onExit();
+	void onSelectDataFolder();
 
 signals: