diff --git a/YUVviewer.pro b/YUVviewer.pro
index 2d675b6..500010f 100644
--- a/YUVviewer.pro
+++ b/YUVviewer.pro
@@ -28,17 +28,20 @@ CONFIG += c++11
 SOURCES += \
         src/YUVviewer.cpp \
         src/ImgViewer.cpp \
+        src/ImgExport.cpp \
         src/YUVdecoder.cpp \
         src/configFile.cpp
 
 HEADERS += \
         src/YUVviewer.h \
         src/ImgViewer.h \
+        src/ImgExport.h \
         src/YUVdecoder.h \
         src/configFile.h
 
 FORMS += \
         src/UI_YUVviewer.ui \
+        src/UI_ImgExport.ui \
         src/UI_ImgViewer.ui
 
 RESOURCES += \
diff --git a/src/ImgExport.cpp b/src/ImgExport.cpp
new file mode 100644
index 0000000..1805745
--- /dev/null
+++ b/src/ImgExport.cpp
@@ -0,0 +1,325 @@
+#include <QFileDialog>
+#include <QMessageBox>
+
+#include "ImgExport.h"
+#include "ImgViewer.h"
+
+#include "ui_UI_ImgExport.h"
+
+ImgExport::ImgExport(QWidget *parent) :
+    QDialog(parent),
+    ui(new Ui::ImgExportWindow)
+{
+    ui->setupUi(this);
+
+    QObject::connect(ui->buttonBox, SIGNAL(accepted()), this, SLOT(buttonBoxAccepted()));
+    QObject::connect(ui->buttonBox, SIGNAL(rejected()), this, SLOT(buttonBoxRejected()));
+}
+
+ImgExport::~ImgExport()
+{
+    delete ui;
+}
+
+void ImgExport::showEvent(QShowEvent* event) {
+    //"png"
+    ui->f0RadioButton->setChecked(true);
+    QDialog::showEvent(event);
+}
+
+void ImgExport::buttonBoxAccepted(void)
+{
+    ImgViewer *iw = static_cast<ImgViewer *>(this->parent());
+    int list_index = iw->img_list.indexOf(iw->currentImg_RGB_list);
+    QList<QImage*> img_RGB_list = iw->img_list[list_index];
+    int img_index = img_RGB_list.indexOf(iw->currentImg);
+    QString name = iw->lastPath + "/" + iw->filelist[list_index].replace(".yuv","-").replace(".data","-").replace(".raw","-") + QString::number(img_index);
+
+    if(ui->f0RadioButton->isChecked()) {
+        //"png";
+        export_png(iw->currentImg,name);
+    } else if(ui->f1RadioButton->isChecked()) {
+        //"YV12";         
+    } else if(ui->f2RadioButton->isChecked()) {
+        //"YU12/I420";     
+    } else if(ui->f3RadioButton->isChecked()) {
+        //"NV21";         
+    } else if(ui->f4RadioButton->isChecked()) {
+        //"NV12";         
+    } else if(ui->f5RadioButton->isChecked()) { 
+        //"YUY2/YUYV";    
+    } else if(ui->f6RadioButton->isChecked()) { 
+        //"YVYU";         
+    } else if(ui->f7RadioButton->isChecked()) { 
+        //"UYVY";         
+    } else if(ui->f8RadioButton->isChecked()) { 
+        //"4:4:4";        
+    } else if(ui->f9RadioButton->isChecked()) { 
+        //"RGB565_L";     
+    } else if(ui->f10RadioButton->isChecked()) { 
+        //"RGB565_B";     
+    } else if(ui->f11RadioButton->isChecked()) { 
+        //"BGR565_L";     
+    } else if(ui->f12RadioButton->isChecked()) { 
+        //"BGR565_B";     
+    } else if(ui->f13RadioButton->isChecked()) { 
+        //"RGB888";       
+    } else if(ui->f14RadioButton->isChecked()) {
+        //"BayerBG";
+        export_bayer(iw->currentImg,"BGGR",8,name);
+    } else if(ui->f15RadioButton->isChecked()) { 
+        //"BayerGB";
+        export_bayer(iw->currentImg,"GBRG",8,name);
+    } else if(ui->f16RadioButton->isChecked()) { 
+        //"BayerRG";
+        export_bayer(iw->currentImg,"RGGB",8,name);
+    } else if(ui->f17RadioButton->isChecked()) { 
+        //"BayerGR";
+        export_bayer(iw->currentImg,"GRBG",8,name);
+    } else if(ui->f18RadioButton->isChecked()) { 
+        //"BayerBG_RAW10";
+        export_bayer(iw->currentImg,"BGGR",10,name);
+    } else if(ui->f19RadioButton->isChecked()) {
+        //"BayerGB_RAW10";
+        export_bayer(iw->currentImg,"GBRG",10,name);
+    } else if(ui->f20RadioButton->isChecked()) {
+        //"BayerRG_RAW10";
+        export_bayer(iw->currentImg,"RGGB",10,name);
+    } else if(ui->f21RadioButton->isChecked()) {
+        //"BayerGR_RAW10";
+        export_bayer(iw->currentImg,"GRBG",10,name);
+    } else if(ui->f22RadioButton->isChecked()) {
+        //"BayerBG_RAW12";
+        export_bayer(iw->currentImg,"BGGR",12,name);
+    } else if(ui->f23RadioButton->isChecked()) {
+        //"BayerGB_RAW12";
+        export_bayer(iw->currentImg,"GBRG",12,name);
+    } else if(ui->f24RadioButton->isChecked()) {
+        //"BayerRG_RAW12";
+        export_bayer(iw->currentImg,"RGGB",12,name);
+    } else if(ui->f25RadioButton->isChecked()) {
+        //"BayerGR_RAW12";
+        export_bayer(iw->currentImg,"GRBG",12,name);
+    } else if(ui->f26RadioButton->isChecked()) {
+        //"BayerBG_RAW16";
+        export_bayer(iw->currentImg,"BGGR",16,name);
+    } else if(ui->f27RadioButton->isChecked()) {
+        //"BayerGB_RAW16";
+        export_bayer(iw->currentImg,"GBRG",16,name);
+    } else if(ui->f28RadioButton->isChecked()) {
+        //"BayerRG_RAW16";
+        export_bayer(iw->currentImg,"RGGB",16,name);
+    } else if(ui->f29RadioButton->isChecked()) {
+        //"BayerGR_RAW16";
+        export_bayer(iw->currentImg,"GRBG",16,name);
+    }
+
+
+    emit this->accepted();
+}
+
+void ImgExport::buttonBoxRejected(void)
+{
+    emit this->rejected();
+}
+
+void ImgExport::export_png(QImage *Img, const QString &name)
+{
+    QString savefile_name = QFileDialog::getSaveFileName(this, "保存文件", name + ".png", "Image files(*.png)");
+    if(savefile_name != nullptr) {
+        Img->save(savefile_name);
+    }
+}
+
+void ImgExport::export_bayer(QImage *Img, const QString &sequence,int bit, const QString &name)
+{
+    QMessageBox::warning(this, "Warning",
+                             "导出此格式将通过模拟抽样的方式，图像信息将会出现损失！",
+                             QMessageBox::StandardButtons(QMessageBox::Ok));
+    QString savefile_name = QFileDialog::getSaveFileName(this, "保存文件", name + "-bayer" + sequence + QString::number(bit) +".raw", "RAW files(*.raw)");
+    if(savefile_name != nullptr) {
+        QFile save(savefile_name);
+        if (save.open(QIODevice::WriteOnly)) {
+            for(int j = 0;j < Img->height();j++) {
+                if(j%2 == 0) {
+                    for(int i = 0;i < Img->width();i+=4) {
+                        QRgb p0 = Img->pixel(i,j);
+                        QRgb p1 = Img->pixel(i+1,j);
+                        QRgb p2 = Img->pixel(i+2,j);
+                        QRgb p3 = Img->pixel(i+3,j);
+
+                        unsigned char B0 = qBlue(p0);
+                        unsigned char G0 = qGreen(p0);
+                        unsigned char R0 = qRed(p0);
+                        unsigned char B1 = qBlue(p1);
+                        unsigned char G1 = qGreen(p1);
+                        unsigned char R1 = qRed(p1);
+                        unsigned char B2 = qBlue(p2);
+                        unsigned char G2 = qGreen(p2);
+                        unsigned char R2 = qRed(p2);
+                        unsigned char B3 = qBlue(p3);
+                        unsigned char G3 = qGreen(p3);
+                        unsigned char R3 = qRed(p3);
+
+                        unsigned char P0 = 0;
+                        unsigned char P1 = 0;
+                        unsigned char P2 = 0;
+                        unsigned char P3 = 0;
+                        if(sequence == "BGGR") {
+                            P0 = B0;
+                            P1 = G1;
+                            P2 = B2;
+                            P3 = G3;
+                        } else if(sequence == "RGGB"){
+                            P0 = R0;
+                            P1 = G1;
+                            P2 = R2;
+                            P3 = G3;
+                        } else if(sequence == "GBRG"){
+                            P0 = G0;
+                            P1 = B1;
+                            P2 = G2;
+                            P3 = B3;
+                        } else if(sequence == "GRBG"){
+                            P0 = G0;
+                            P1 = R1;
+                            P2 = G2;
+                            P3 = R3;
+                        }
+
+                        if(bit == 8) {
+                            save.write((const char *)&P0,1);
+                            save.write((const char *)&P1,1);
+                            save.write((const char *)&P2,1);
+                            save.write((const char *)&P3,1);
+                        } else if(bit == 10) {
+                            unsigned short P0_10 = P0*4;
+                            unsigned short P1_10 = P1*4;
+                            unsigned short P2_10 = P2*4;
+                            unsigned short P3_10 = P3*4;
+                            unsigned char piexl[5] = {
+                                (unsigned char)(P0_10>>2),
+                                (unsigned char)(P1_10>>2),
+                                (unsigned char)(P2_10>>2),
+                                (unsigned char)(P3_10>>2),
+                                (unsigned char)(((P3_10&0x03)<<6)|((P2_10&0x03)<<4)|((P1_10&0x03)<<2)|(P0_10&0x03)) };
+                            save.write((const char *)piexl,5);
+                        } else if(bit == 12) {
+                            unsigned short P0_12 = P0*16;
+                            unsigned short P1_12 = P1*16;
+                            unsigned short P2_12 = P2*16;
+                            unsigned short P3_12 = P3*16;
+                            unsigned char piexl[6] = {
+                                (unsigned char)(P0_12>>4),
+                                (unsigned char)(P1_12>>4),
+                                (unsigned char)(((P1_12&0x0f)<<4)|(P0_12&0x0f)),
+                                (unsigned char)(P2_12>>4),
+                                (unsigned char)(P3_12>>4),
+                                (unsigned char)(((P3_12&0x0f)<<4)|(P2_12&0x0f)) 
+                                };
+                            save.write((const char *)piexl,6);
+                        } else if(bit == 16) {
+                            unsigned short P0_16 = P0*256;
+                            unsigned short P1_16 = P1*256;
+                            unsigned short P2_16 = P2*256;
+                            unsigned short P3_16 = P3*256;
+                            save.write((const char *)&P0_16,2);
+                            save.write((const char *)&P1_16,2);
+                            save.write((const char *)&P2_16,2);
+                            save.write((const char *)&P3_16,2);
+                        }
+                    }
+                } else {
+                    for(int i = 0;i < Img->width();i+=4) {
+                        QRgb p0 = Img->pixel(i,j);
+                        QRgb p1 = Img->pixel(i+1,j);
+                        QRgb p2 = Img->pixel(i+2,j);
+                        QRgb p3 = Img->pixel(i+3,j);
+
+                        unsigned char B0 = qBlue(p0);
+                        unsigned char G0 = qGreen(p0);
+                        unsigned char R0 = qRed(p0);
+                        unsigned char B1 = qBlue(p1);
+                        unsigned char G1 = qGreen(p1);
+                        unsigned char R1 = qRed(p1);
+                        unsigned char B2 = qBlue(p2);
+                        unsigned char G2 = qGreen(p2);
+                        unsigned char R2 = qRed(p2);
+                        unsigned char B3 = qBlue(p3);
+                        unsigned char G3 = qGreen(p3);
+                        unsigned char R3 = qRed(p3);
+
+                        unsigned char P0 = 0;
+                        unsigned char P1 = 0;
+                        unsigned char P2 = 0;
+                        unsigned char P3 = 0;
+                        if(sequence == "BGGR") {
+                            P0 = G0;
+                            P1 = R1;
+                            P2 = G2;
+                            P3 = R3;
+                        } else if(sequence == "RGGB"){
+                            P0 = G0;
+                            P1 = B1;
+                            P2 = G2;
+                            P3 = B3;
+                        } else if(sequence == "GBRG"){
+                            P0 = R0;
+                            P1 = G1;
+                            P2 = R2;
+                            P3 = G3;
+                        } else if(sequence == "GRBG"){
+                            P0 = B0;
+                            P1 = G1;
+                            P2 = B2;
+                            P3 = G3;
+                        }
+
+                        if(bit == 8) {
+                            save.write((const char *)&P0,1);
+                            save.write((const char *)&P1,1);
+                            save.write((const char *)&P2,1);
+                            save.write((const char *)&P3,1);
+                        } else if(bit == 10) {
+                            unsigned short P0_10 = P0*4;
+                            unsigned short P1_10 = P1*4;
+                            unsigned short P2_10 = P2*4;
+                            unsigned short P3_10 = P3*4;
+                            unsigned char piexl[5] = {
+                                (unsigned char)(P0_10>>2),
+                                (unsigned char)(P1_10>>2),
+                                (unsigned char)(P2_10>>2),
+                                (unsigned char)(P3_10>>2),
+                                (unsigned char)(((P3_10&0x03)<<6)|((P2_10&0x03)<<4)|((P1_10&0x03)<<2)|(P0_10&0x03)) };
+                            save.write((const char *)piexl,5);
+                        } else if(bit == 12) {
+                            unsigned short P0_12 = P0*16;
+                            unsigned short P1_12 = P1*16;
+                            unsigned short P2_12 = P2*16;
+                            unsigned short P3_12 = P3*16;
+                            unsigned char piexl[6] = {
+                                (unsigned char)(P0_12>>4),
+                                (unsigned char)(P1_12>>4),
+                                (unsigned char)(((P1_12&0x0f)<<4)|(P0_12&0x0f)),
+                                (unsigned char)(P2_12>>4),
+                                (unsigned char)(P3_12>>4),
+                                (unsigned char)(((P3_12&0x0f)<<4)|(P2_12&0x0f)) 
+                                };
+                            save.write((const char *)piexl,6);
+                        } else if(bit == 16) {
+                            unsigned short P0_16 = P0*256;
+                            unsigned short P1_16 = P1*256;
+                            unsigned short P2_16 = P2*256;
+                            unsigned short P3_16 = P3*256;
+                            save.write((const char *)&P0_16,2);
+                            save.write((const char *)&P1_16,2);
+                            save.write((const char *)&P2_16,2);
+                            save.write((const char *)&P3_16,2);
+                        }
+                    }
+                }
+            }
+            save.close();
+        }
+    }
+}
diff --git a/src/ImgExport.h b/src/ImgExport.h
new file mode 100644
index 0000000..32b460c
--- /dev/null
+++ b/src/ImgExport.h
@@ -0,0 +1,31 @@
+#ifndef BOOTSELECTBOX_H
+#define BOOTSELECTBOX_H
+
+#include <QDialog>
+
+namespace Ui {
+class ImgExportWindow;
+}
+
+class ImgExport : public QDialog
+{
+    Q_OBJECT
+
+public:
+    explicit ImgExport(QWidget *parent = nullptr);
+    ~ImgExport();
+    void export_png(QImage *Img, const QString &name);
+    void export_bayer(QImage *Img, const QString &sequence,int bit, const QString &fileName);
+
+protected:
+    void showEvent(QShowEvent* event) override;
+
+private slots:
+    void buttonBoxAccepted(void);
+    void buttonBoxRejected(void);
+
+private:
+    Ui::ImgExportWindow *ui;
+};
+
+#endif // BOOTSELECTBOX_H
diff --git a/src/ImgViewer.cpp b/src/ImgViewer.cpp
index 4e5fad8..e5a1c68 100644
--- a/src/ImgViewer.cpp
+++ b/src/ImgViewer.cpp
@@ -66,6 +66,7 @@ ImgViewer::ImgViewer(QWidget *parent,QWidget *parentWindow) :
     ui->setupUi(this);
     qRegisterMetaType<QList<QImage*>>("QList<QImage*>");
     this->parentWindow = parentWindow;
+    imgExportWindow = new ImgExport(this);
     setWindowTitle("loading file, please wait ....");
     ui->left_PushButton->setFlat(true);
     ui->right_PushButton->setFlat(true);
@@ -75,6 +76,7 @@ ImgViewer::ImgViewer(QWidget *parent,QWidget *parentWindow) :
 }
 
 ImgViewer::~ImgViewer() {
+    delete imgExportWindow;
     delete ui;
 }
 
@@ -254,13 +256,7 @@ void ImgViewer::mouseReleaseEvent(QMouseEvent *event) {
 void ImgViewer::mouseDoubleClickEvent(QMouseEvent *event) {
     if (!this->img_list.empty()) {
         if( event->button() == Qt::LeftButton) {
-            int list_index = this->img_list.indexOf(this->currentImg_RGB_list);
-            QList<QImage*> img_RGB_list = this->img_list[list_index];
-            int img_index = img_RGB_list.indexOf(this->currentImg);
-            QString savefile_name = QFileDialog::getSaveFileName(this, "保存文件", this->filelist[list_index].replace(".yuv","-") + QString::number(img_index) + ".png", "Image files(*.png)");
-            if(savefile_name != nullptr) {
-                this->currentImg->save(savefile_name);
-            }
+            imgExportWindow->show();
         } else if(event->button() == Qt::RightButton) {
             this->flipRGB = this->flipRGB ? false : true;
             this->point = QPoint(0, 0);
diff --git a/src/ImgViewer.h b/src/ImgViewer.h
index 04cff4c..c9237d3 100644
--- a/src/ImgViewer.h
+++ b/src/ImgViewer.h
@@ -17,6 +17,7 @@
 #include <QMouseEvent> 
 #include <QWheelEvent> 
 #include <QResizeEvent>
+#include "ImgExport.h"
 #include "YUVdecoder.h"
 
 namespace Ui {
@@ -60,6 +61,12 @@ class ImgViewer : public QWidget {
     bool setFileList(QStringList filelist,QString YUVFormat, int W, int H, int startframe, int totalframe);
     bool setFileList_multithreading(QStringList filenamelist, QString YUVFormat, int W, int H, int startframe, int totalframe);
 
+    QImage *currentImg;
+    QList<QList<QImage*>> img_list;
+    QStringList filelist;
+    QList<QImage*> currentImg_RGB_list;
+    QString lastPath;
+
 private slots:
     void reciveimgdata(QList<QImage *> img_RGB_list, QString filename);
     void previousImg();
@@ -78,17 +85,16 @@ private slots:
 private:
     void draw_img(QPainter *painter);
     Ui::ImgViewerWindow *ui;
+    ImgExport *imgExportWindow;
     QWidget *parentWindow;
     bool left_click;
 
-    QList<QList<QImage*>> img_list;
-    QStringList filelist;
+
 
     QList<YUVDecodeThread*> decode_thread;
     QList<YUVDecodeThread*> decode_thread_finsh;
 
-    QList<QImage*> currentImg_RGB_list;
-    QImage *currentImg;
+
     QImage scaled_img;
     QPoint point;
     QPoint startPos;
diff --git a/src/UI_ImgExport.ui b/src/UI_ImgExport.ui
new file mode 100644
index 0000000..c0a0e6d
--- /dev/null
+++ b/src/UI_ImgExport.ui
@@ -0,0 +1,383 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>ImgExportWindow</class>
+ <widget class="QDialog" name="ImgExportWindow">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>507</width>
+    <height>538</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Format</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout_4">
+   <item>
+    <widget class="QGroupBox" name="bootCfgGroupBox">
+     <property name="title">
+      <string>File Format</string>
+     </property>
+     <layout class="QHBoxLayout" name="horizontalLayout">
+      <item>
+       <layout class="QVBoxLayout" name="verticalLayout">
+        <item>
+         <widget class="QRadioButton" name="f0RadioButton">
+          <property name="text">
+           <string>png</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QRadioButton" name="f1RadioButton">
+          <property name="enabled">
+           <bool>false</bool>
+          </property>
+          <property name="text">
+           <string>YV12</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QRadioButton" name="f2RadioButton">
+          <property name="enabled">
+           <bool>false</bool>
+          </property>
+          <property name="text">
+           <string>YU12/I420</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QRadioButton" name="f3RadioButton">
+          <property name="enabled">
+           <bool>false</bool>
+          </property>
+          <property name="text">
+           <string>NV21</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QRadioButton" name="f4RadioButton">
+          <property name="enabled">
+           <bool>false</bool>
+          </property>
+          <property name="text">
+           <string>NV12</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QRadioButton" name="f5RadioButton">
+          <property name="enabled">
+           <bool>false</bool>
+          </property>
+          <property name="text">
+           <string>YUY2/YUYV</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QRadioButton" name="f6RadioButton">
+          <property name="enabled">
+           <bool>false</bool>
+          </property>
+          <property name="text">
+           <string>YVYU</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QRadioButton" name="f7RadioButton">
+          <property name="enabled">
+           <bool>false</bool>
+          </property>
+          <property name="text">
+           <string>UYVY</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QRadioButton" name="f8RadioButton">
+          <property name="enabled">
+           <bool>false</bool>
+          </property>
+          <property name="text">
+           <string>4:4:4</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QRadioButton" name="f9RadioButton">
+          <property name="enabled">
+           <bool>false</bool>
+          </property>
+          <property name="text">
+           <string>RGB565_L</string>
+          </property>
+         </widget>
+        </item>
+       </layout>
+      </item>
+      <item>
+       <layout class="QVBoxLayout" name="verticalLayout_2">
+        <item>
+         <widget class="QRadioButton" name="f10RadioButton">
+          <property name="enabled">
+           <bool>false</bool>
+          </property>
+          <property name="text">
+           <string>RGB565_B</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QRadioButton" name="f11RadioButton">
+          <property name="enabled">
+           <bool>false</bool>
+          </property>
+          <property name="text">
+           <string>BGR565_L</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QRadioButton" name="f12RadioButton">
+          <property name="enabled">
+           <bool>false</bool>
+          </property>
+          <property name="text">
+           <string>BGR565_B</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QRadioButton" name="f13RadioButton">
+          <property name="enabled">
+           <bool>false</bool>
+          </property>
+          <property name="text">
+           <string>RGB888</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QRadioButton" name="f14RadioButton">
+          <property name="enabled">
+           <bool>true</bool>
+          </property>
+          <property name="text">
+           <string>BayerBG</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QRadioButton" name="f15RadioButton">
+          <property name="enabled">
+           <bool>true</bool>
+          </property>
+          <property name="text">
+           <string>BayerGB</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QRadioButton" name="f16RadioButton">
+          <property name="enabled">
+           <bool>true</bool>
+          </property>
+          <property name="text">
+           <string>BayerRG</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QRadioButton" name="f17RadioButton">
+          <property name="enabled">
+           <bool>true</bool>
+          </property>
+          <property name="text">
+           <string>BayerGR</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QRadioButton" name="f18RadioButton">
+          <property name="enabled">
+           <bool>true</bool>
+          </property>
+          <property name="text">
+           <string>BayerBG_RAW10</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QRadioButton" name="f19RadioButton">
+          <property name="enabled">
+           <bool>true</bool>
+          </property>
+          <property name="text">
+           <string>BayerGB_RAW10</string>
+          </property>
+         </widget>
+        </item>
+       </layout>
+      </item>
+      <item>
+       <layout class="QVBoxLayout" name="verticalLayout_3">
+        <item>
+         <widget class="QRadioButton" name="f20RadioButton">
+          <property name="enabled">
+           <bool>true</bool>
+          </property>
+          <property name="text">
+           <string>BayerRG_RAW10</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QRadioButton" name="f21RadioButton">
+          <property name="enabled">
+           <bool>true</bool>
+          </property>
+          <property name="text">
+           <string>BayerGR_RAW10</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QRadioButton" name="f22RadioButton">
+          <property name="text">
+           <string>BayerBG_RAW12</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QRadioButton" name="f23RadioButton">
+          <property name="text">
+           <string>BayerGB_RAW12</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QRadioButton" name="f24RadioButton">
+          <property name="text">
+           <string>BayerRG_RAW12</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QRadioButton" name="f25RadioButton">
+          <property name="text">
+           <string>BayerGR_RAW12</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QRadioButton" name="f26RadioButton">
+          <property name="enabled">
+           <bool>true</bool>
+          </property>
+          <property name="text">
+           <string>BayerBG_RAW16</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QRadioButton" name="f27RadioButton">
+          <property name="enabled">
+           <bool>true</bool>
+          </property>
+          <property name="text">
+           <string>BayerGB_RAW16</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QRadioButton" name="f28RadioButton">
+          <property name="enabled">
+           <bool>true</bool>
+          </property>
+          <property name="text">
+           <string>BayerRG_RAW16</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QRadioButton" name="f29RadioButton">
+          <property name="enabled">
+           <bool>true</bool>
+          </property>
+          <property name="text">
+           <string>BayerGR_RAW16</string>
+          </property>
+         </widget>
+        </item>
+       </layout>
+      </item>
+     </layout>
+    </widget>
+   </item>
+   <item>
+    <spacer name="verticalSpacer">
+     <property name="orientation">
+      <enum>Qt::Vertical</enum>
+     </property>
+     <property name="sizeHint" stdset="0">
+      <size>
+       <width>20</width>
+       <height>40</height>
+      </size>
+     </property>
+    </spacer>
+   </item>
+   <item>
+    <widget class="QDialogButtonBox" name="buttonBox">
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
+     </property>
+     <property name="standardButtons">
+      <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>accepted()</signal>
+   <receiver>ImgExportWindow</receiver>
+   <slot>accept()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>248</x>
+     <y>254</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>157</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>rejected()</signal>
+   <receiver>ImgExportWindow</receiver>
+   <slot>reject()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>316</x>
+     <y>260</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>286</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>
diff --git a/src/YUVdecoder.cpp b/src/YUVdecoder.cpp
index eb50ff9..40b6948 100644
--- a/src/YUVdecoder.cpp
+++ b/src/YUVdecoder.cpp
@@ -357,59 +357,62 @@ QList<cv::Mat*> ImageDecoder::bayer(const QString &yuvfilename,int W, int H, int
     file.open(QFile::ReadOnly);
     file.seek(startframe*W*H);
     QDataStream out(&file);
-    char *temp = nullptr;
+    uint8_t *temp = nullptr;
 
     switch (bit) {
     case 8:
+        temp = new uint8_t[W*H];
         break;
     case 10:
-        temp = new char[W*H*5/4];
+        temp = new uint8_t[W*H*5/4];
         break;
     case 12:
-        temp = new char[W*H*3/2];
+        temp = new uint8_t[W*H*3/2];
         break;
     case 16:
-        temp = new char[W*H*2];
-        break;
-    default:
+        temp = new uint8_t[W*H*2];
         break;
     }
 
     while((!out.atEnd()) && (totalframe != 0)) {
         cv::Mat *rgbImg = new cv::Mat;
-        yuvImg.create(H, W, CV_8UC1);
+        yuvImg.create(H, W, CV_8U);
+        uint8_t * dest = (uint8_t *)yuvImg.data;
         switch (bit) {
         case 8: {
-            out.readRawData((char *)yuvImg.data,W*H);
+            out.readRawData((char *)temp,W*H);
+            for(int i=0;i<W*H;i++) {
+                dest[i] = ((uint8_t)temp[i]);
+            }
             break;
         }
         case 10: {
-            out.readRawData(temp,W*H*5/4);
+            out.readRawData((char *)temp,W*H*5/4);
             for(int i=0,j=0;i<W*H*5/4;i+=5) {
                 uint16_t piex[5] = {(uint16_t)temp[i],(uint16_t)temp[i+1],(uint16_t)temp[i+2],(uint16_t)temp[i+3],(uint16_t)temp[i+4]};
-                yuvImg.data[j] = (uint8_t)(((piex[0]<<2) | (piex[4]&0x3))/4);
-                yuvImg.data[j+1] = (uint8_t)(((piex[1]<<2) | ((piex[4]>>2)&0x3))/4);
-                yuvImg.data[j+2] = (uint8_t)(((piex[2]<<2) | ((piex[4]>>2)&0x3))/4);
-                yuvImg.data[j+3] = (uint8_t)(((piex[3]<<2) | ((piex[4]>>2)&0x3))/4);
+                dest[j+0] = (uint8_t)(((piex[0]<<2) | ((piex[4]>>0)&0x3))/4);
+                dest[j+1] = (uint8_t)(((piex[1]<<2) | ((piex[4]>>2)&0x3))/4);
+                dest[j+2] = (uint8_t)(((piex[2]<<2) | ((piex[4]>>4)&0x3))/4);
+                dest[j+3] = (uint8_t)(((piex[3]<<2) | ((piex[4]>>6)&0x3))/4);
                 j+=4;
             }
             break;
         }
         case 12: {
-            out.readRawData(temp,W*H*3/2);
+            out.readRawData((char *)temp,W*H*3/2);
             for(int i=0,j=0;i<W*H*3/2;i+=3) {
                 uint16_t piex[3] = {(uint16_t)temp[i],(uint16_t)temp[i+1],(uint16_t)temp[i+2]};
-                yuvImg.data[j] = (uint8_t)(((piex[0]<<4) | (piex[2]&0xf))/16);
-                yuvImg.data[j+1] = (uint8_t)(((piex[1]<<4) | ((piex[2]>>4)&0xf))/16);
+                dest[j+0] = (uint8_t)(((piex[0]<<4) | ((piex[2]>>0)&0xf))/16);
+                dest[j+1] = (uint8_t)(((piex[1]<<4) | ((piex[2]>>4)&0xf))/16);
                 j+=2;
             }
             break;
         }
         case 16: {
-            out.readRawData(temp,W*H*2);
+            out.readRawData((char *)temp,W*H*2);
             for(int i=0,j=0;i<W*H*2;i+=2) {
                 uint16_t piex[2] = {(uint16_t)temp[i],(uint16_t)temp[i+1]};
-                yuvImg.data[j] = (uint8_t)(((piex[0]<<8) | (piex[1]&0xff))/256);
+                dest[j] = (uint8_t)(((piex[1]<<8) | (piex[0]&0xff))/256);
                 j++;
             }
             break;
@@ -422,18 +425,7 @@ QList<cv::Mat*> ImageDecoder::bayer(const QString &yuvfilename,int W, int H, int
         rgbImglist.insert(rgbImglist.constEnd(), rgbImg);
     }
 
-    switch (bit) {
-    case 8:
-        break;
-    case 10:
-    case 12:
-    case 16:
-        delete[] temp;
-        break;
-    default:
-        break;
-    }
-
+    delete[] temp;
     file.close();
 
     return rgbImglist;
diff --git a/src/YUVviewer.cpp b/src/YUVviewer.cpp
index f8a3e9b..899e2b6 100644
--- a/src/YUVviewer.cpp
+++ b/src/YUVviewer.cpp
@@ -522,7 +522,7 @@ bool YUVviewer::updateConfig(void) {
     }
 }
 
-bool YUVviewer::imgView(QStringList openfile_list) {
+bool YUVviewer::imgView(QStringList openfile_list, const QString &folderpath) {
     if (openfile_list.empty()) {
         return false;
     }
@@ -531,6 +531,7 @@ bool YUVviewer::imgView(QStringList openfile_list) {
         imgViewer = nullptr;
     }
     imgViewer = new ImgViewer(nullptr,this);
+    imgViewer->lastPath = folderpath;
     int startFrame = ui->startFrame_LineEdit->text().toInt();
     int endFrame = ui->endFrame_LineEdit->text().toInt();
     int frameSize_Width = ui->frameSize_Width_LineEdit->text().toInt();
@@ -586,7 +587,7 @@ void YUVviewer::openFile() {
         if(openfile_list.size() != 0) {
             QFileInfo file(openfile_list[0]);
             YUVviewerConfigFile->config_dict.lastPath = file.absolutePath();
-            imgView(openfile_list);
+            imgView(openfile_list,file.absolutePath());
         }
     }
 }
@@ -609,7 +610,7 @@ void YUVviewer::openFolder() {
                 openfile_list.append(QDir::toNativeSeparators(openfolder_name + '/' +file_name));
             }
             if(openfile_list.size() != 0) {
-                imgView(openfile_list);
+                imgView(openfile_list,openfolder_name);
             }
         }
     }
diff --git a/src/YUVviewer.h b/src/YUVviewer.h
index 40a77ad..4f85719 100644
--- a/src/YUVviewer.h
+++ b/src/YUVviewer.h
@@ -54,7 +54,7 @@ private slots:
     void updateUiSvg(QList<UICodePoint> color_list);
     void showParaErrMessageBox(void);
     bool updateConfig(void);
-    bool imgView(QStringList openfile_list);
+    bool imgView(QStringList openfile_list, const QString &folderpath);
     Ui::YUVviewer *ui;
     ConfigFile *YUVviewerConfigFile;
     ImgViewer *imgViewer;
diff --git a/test/640x480_BayerBG10.data b/test/640x480_BayerBG10.data
new file mode 100644
index 0000000..a5b6265
Binary files /dev/null and b/test/640x480_BayerBG10.data differ
diff --git a/test/640x480_BayerBGRAW12.data b/test/640x480_BayerBG12.data
similarity index 100%
rename from test/640x480_BayerBGRAW12.data
rename to test/640x480_BayerBG12.data
diff --git a/test/640x480_BayerBG16.data b/test/640x480_BayerBG16.data
new file mode 100644
index 0000000..c2d7954
Binary files /dev/null and b/test/640x480_BayerBG16.data differ
diff --git a/test/640x480_BayerGB10.data b/test/640x480_BayerGB10.data
new file mode 100644
index 0000000..e3d44f8
Binary files /dev/null and b/test/640x480_BayerGB10.data differ
diff --git a/test/640x480_BayerGBRAW12.data b/test/640x480_BayerGB12.data
similarity index 100%
rename from test/640x480_BayerGBRAW12.data
rename to test/640x480_BayerGB12.data
diff --git a/test/640x480_BayerGB16.data b/test/640x480_BayerGB16.data
new file mode 100644
index 0000000..98d3861
Binary files /dev/null and b/test/640x480_BayerGB16.data differ
diff --git a/test/640x480_BayerGR10.data b/test/640x480_BayerGR10.data
new file mode 100644
index 0000000..db074d0
Binary files /dev/null and b/test/640x480_BayerGR10.data differ
diff --git a/test/640x480_BayerGRRAW12.data b/test/640x480_BayerGR12.data
similarity index 100%
rename from test/640x480_BayerGRRAW12.data
rename to test/640x480_BayerGR12.data
diff --git a/test/640x480_BayerGR16.data b/test/640x480_BayerGR16.data
new file mode 100644
index 0000000..195e468
Binary files /dev/null and b/test/640x480_BayerGR16.data differ
diff --git a/test/640x480_BayerRG10.data b/test/640x480_BayerRG10.data
new file mode 100644
index 0000000..2db695e
Binary files /dev/null and b/test/640x480_BayerRG10.data differ
diff --git a/test/640x480_BayerRGRAW12.data b/test/640x480_BayerRG12.data
similarity index 100%
rename from test/640x480_BayerRGRAW12.data
rename to test/640x480_BayerRG12.data
diff --git a/test/640x480_BayerRG16.data b/test/640x480_BayerRG16.data
new file mode 100644
index 0000000..09df274
Binary files /dev/null and b/test/640x480_BayerRG16.data differ