diff --git a/app/gui/oven_control/autocooksettingwidget.cpp b/app/gui/oven_control/autocooksettingwidget.cpp
index fd88189..df213c9 100644
--- a/app/gui/oven_control/autocooksettingwidget.cpp
+++ b/app/gui/oven_control/autocooksettingwidget.cpp
@@ -65,16 +65,6 @@ AutoCookSettingWidget::~AutoCookSettingWidget()
     delete ui;
 }
 
-void AutoCookSettingWidget::keyPressEvent(QKeyEvent *event)
-{
-
-}
-
-void AutoCookSettingWidget::keyReleaseEvent(QKeyEvent *event)
-{
-
-}
-
 void AutoCookSettingWidget::setupUi(Cook cook)
 {
     ui->cookTypeIcon->setPixmap(Define::icon(cook.type));
@@ -148,18 +138,3 @@ QPushButton:checked { image: url(%3); }");
         }
     }
 }
-
-void AutoCookSettingWidget::onEncoderLeft()
-{
-
-}
-
-void AutoCookSettingWidget::onEncoderRight()
-{
-
-}
-
-void AutoCookSettingWidget::onEncoderClicked(QWidget *clicked)
-{
-
-}
diff --git a/app/gui/oven_control/autocooksettingwidget.h b/app/gui/oven_control/autocooksettingwidget.h
index f0b1817..9697a94 100644
--- a/app/gui/oven_control/autocooksettingwidget.h
+++ b/app/gui/oven_control/autocooksettingwidget.h
@@ -30,21 +30,11 @@ public:
     explicit AutoCookSettingWidget(AutoCookSetting setting, QWidget *parent = 0);
     ~AutoCookSettingWidget();
 
-protected:
-    void keyPressEvent(QKeyEvent *event);
-    void keyReleaseEvent(QKeyEvent *event);
-
 private:
     Ui::AutoCookSettingWidget *ui;
     QList<ConfigWidget> configWidgets;
 
     void setupUi(Cook cook);
-
-    QWidget *pushed = NULL;
-
-    void onEncoderLeft();
-    void onEncoderRight();
-    void onEncoderClicked(QWidget *clicked);
 };
 
 #endif // AUTOCOOKSETTINGWIDGET_H
diff --git a/app/gui/oven_control/clock.cpp b/app/gui/oven_control/clock.cpp
index ed0540f..17282ee 100644
--- a/app/gui/oven_control/clock.cpp
+++ b/app/gui/oven_control/clock.cpp
@@ -1,10 +1,10 @@
 #include "clock.h"
 
 #include <QPainter>
-#include <QDateTime>
 #include <QTime>
 #include <QTimer>
 #include <QtDebug>
+#include <QPaintEvent>
 
 Clock::Clock(QWidget *parent) : QWidget(parent)
 {
@@ -21,7 +21,7 @@ void Clock::checkUpdate()
 {
     if (ticking)
     {
-        QTime cur = QDateTime::currentDateTime().time();
+        QTime cur = QTime::currentTime();
         if (cur.second() != last.second())
         {
             last = cur;
@@ -34,7 +34,7 @@ void Clock::checkUpdate()
 
 void Clock::paintEvent(QPaintEvent */*event*/)
 {
-    QTime time = QDateTime::currentDateTime().time();
+    QTime time = QTime::currentTime();
 
     QPainter painter(this);
     painter.setRenderHint(QPainter::Antialiasing);
@@ -46,86 +46,37 @@ void Clock::paintEvent(QPaintEvent */*event*/)
 
     QPen hourHand(Qt::white, 11, Qt::SolidLine, Qt::RoundCap);
     QPen hourArm(Qt::white, 4);
-    QPen hourLine(Qt::white, 5);
 
     QPen minHand(hourHand);
     QPen minArm(hourArm);
-    QPen minLine(Qt::white, 2);
 
     QPen secHand(Qt::red, 3);
 
     QPen capPen(Qt::white, 4);
     QBrush capBrush(Qt::black, Qt::SolidPattern);
 
-    QFont numberFont("Roboto");
-    numberFont.setPixelSize(50);
-
-    QFontMetrics numberFontMetrics(numberFont);
-
-    QPen numberPen(Qt::white);
-    numberPen.setWidth(2);
-/*
-    // Lines
-    painter.setPen(minLine);
-    for (int j = 0; j < 60; ++j) {
-        if ((j % 5) != 0)
-//            painter.drawLine(92, 0, 96, 0);
-            painter.drawLine(165, 0, 178, 0);
-        painter.rotate(6.0);
-    }
-
-    painter.setPen(hourLine);
-    for (int i = 0; i < 12; ++i) {
-//        painter.drawLine(88, 0, 96, 0);
-//        painter.drawLine(92, 0, 96, 0);
-        painter.drawLine(165, 0, 178, 0);
-        painter.rotate(30.0);
-    }
-
-    // Numbers
-    painter.setPen(numberPen);
-    painter.setFont(numberFont);
-
-    QTransform transform;
-//    QPoint targetPoint(0, -75);
-    QPoint targetPoint(0, -138);
-    QPoint transformedTarget(targetPoint);
-
-    QString strings[] = { "12", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11" };
-    for (int i = 0; i < 12; i++) {
-        QString string = strings[i];
-        QRect boundingRect = numberFontMetrics.boundingRect(string);
-        boundingRect.moveCenter(transformedTarget);
-        painter.drawText(boundingRect, Qt::AlignCenter, string);
-
-        transform.rotate(30.0);
-        transformedTarget = transform.map(targetPoint);
-    }
-*/
     // Needles
-    qreal second = time.second() + time.msec() / 1000.0;
+    qreal sec = time.second() + time.msec() / 1000.0;
     if (ticking)
-        second = time.second();
+        sec = time.second();
 
-    qreal minute = time.minute() + second / 60.0;
-    qreal hour = time.hour() + minute / 60.0;
+    qreal min = time.minute() + sec / 60.0;
+    qreal hour = time.hour() + min / 60.0;
 
     // Sec
     painter.save();
-    painter.rotate(6.0 * second);
+    painter.rotate(6.0 * sec);
     painter.setPen(secHand);
     painter.drawLine(0, 28, 0, -155);
-//    painter.drawImage(-28, -8, secondImg);
     painter.restore();
 
     // Min
     painter.save();
-    painter.rotate(6.0 * minute);
+    painter.rotate(6.0 * min);
     painter.setPen(minArm);
     painter.drawLine(0, 0, 0, -30);
     painter.setPen(minHand);
     painter.drawLine(0, -27, 0, -125);
-//    painter.drawImage(-8, -9, minuteImg);
     painter.restore();
 
     // Hour
diff --git a/app/gui/oven_control/config.cpp b/app/gui/oven_control/config.cpp
index 44cbd95..7ab22b0 100644
--- a/app/gui/oven_control/config.cpp
+++ b/app/gui/oven_control/config.cpp
@@ -391,7 +391,6 @@ bool Config::loadFavorite(void){
 }
 
 bool Config::saveFavorite(void){
-    bool rst;
     uint32_t itemp;
     QFile file(FAVORITE_FILE_NAME);
     if(file.open(QIODevice::WriteOnly | QIODevice::Text)){
@@ -433,24 +432,6 @@ void Config::removeFavorite(Define::ConfigType idx){
     m_setFavorite.remove((uint32_t)idx);
 }
 
-QString Config::getDateTimeString(uint32_t sec){
-    Config* ins = getInstance();
-    QString strTemp="";
-    if(ins->configlist.items.temptype.d32==0){
-
-    }
-    return strTemp;
-}
-
-QString Config::getTempString(int cel_temp){
-    Config* ins = getInstance();
-    QString strTemp="";
-    if(ins->configlist.items.temptype.d32==0){
-
-    }
-    return strTemp;
-}
-
 QString Config::getProductSerial()
 {
     QString strProductSerial;
diff --git a/app/gui/oven_control/config.h b/app/gui/oven_control/config.h
index 3b236cb..1238cf8 100644
--- a/app/gui/oven_control/config.h
+++ b/app/gui/oven_control/config.h
@@ -438,8 +438,6 @@ public:
     void copyConfigArea(const char* buff);
     void insertFavorite(Define::ConfigType idx);
     void removeFavorite(Define::ConfigType idx);
-    static QString getDateTimeString(uint32_t sec);
-    static QString getTempString(int cel_temp);
     QString getProductSerial();
 
 
diff --git a/app/gui/oven_control/config1digitsetandenablesetdlg.cpp b/app/gui/oven_control/config1digitsetandenablesetdlg.cpp
index ef6e99c..a0d43f4 100644
--- a/app/gui/oven_control/config1digitsetandenablesetdlg.cpp
+++ b/app/gui/oven_control/config1digitsetandenablesetdlg.cpp
@@ -67,7 +67,6 @@ int Config1DigitSetAndEnableSetDlg::getValue(){
 
 
 void Config1DigitSetAndEnableSetDlg::keyPressEvent(QKeyEvent *event){
-    int i = 0;
     switch (event->key())
     {
     case 0x01000032:    // Turn left
@@ -86,7 +85,6 @@ void Config1DigitSetAndEnableSetDlg::keyPressEvent(QKeyEvent *event){
 }
 
 void Config1DigitSetAndEnableSetDlg::keyReleaseEvent(QKeyEvent *event){
-    int i = 0;
     switch (event->key())
     {
     case 0x01000032:    // Turn left
diff --git a/app/gui/oven_control/config1digitsetdlg.cpp b/app/gui/oven_control/config1digitsetdlg.cpp
index 757ef8f..9f2f5c6 100644
--- a/app/gui/oven_control/config1digitsetdlg.cpp
+++ b/app/gui/oven_control/config1digitsetdlg.cpp
@@ -91,7 +91,6 @@ bool Config1DigitSetDlg::eventFilter(QObject *object, QEvent *event){
 }
 
 void Config1DigitSetDlg::keyPressEvent(QKeyEvent *event){
-    int i = 0;
     switch (event->key())
     {
     case 0x01000032:    // Turn left
@@ -110,7 +109,6 @@ void Config1DigitSetDlg::keyPressEvent(QKeyEvent *event){
 }
 
 void Config1DigitSetDlg::keyReleaseEvent(QKeyEvent *event){
-    int i = 0;
     switch (event->key())
     {
     case 0x01000032:    // Turn left
diff --git a/app/gui/oven_control/configdatetimedlg.cpp b/app/gui/oven_control/configdatetimedlg.cpp
index 6ab5f98..b9d8b32 100644
--- a/app/gui/oven_control/configdatetimedlg.cpp
+++ b/app/gui/oven_control/configdatetimedlg.cpp
@@ -71,18 +71,12 @@ void ConfigDateTimeDlg::on_ctrBtnOk_clicked()
     this->accept();
 }
 
-void ConfigDateTimeDlg::on_spinBox_valueChanged(int arg1)
-{
-
-}
-
 void ConfigDateTimeDlg::on_ctrBtnCancel_clicked()
 {
     this->reject();
 }
 
 void ConfigDateTimeDlg::keyPressEvent(QKeyEvent *event){
-    int i = 0;
     switch (event->key())
     {
     case 0x01000032:    // Turn left
@@ -101,7 +95,6 @@ void ConfigDateTimeDlg::keyPressEvent(QKeyEvent *event){
 }
 
 void ConfigDateTimeDlg::keyReleaseEvent(QKeyEvent *event){
-    int i = 0;
     switch (event->key())
     {
     case 0x01000032:    // Turn left
diff --git a/app/gui/oven_control/configdatetimedlg.h b/app/gui/oven_control/configdatetimedlg.h
index 073f328..20d3b2f 100644
--- a/app/gui/oven_control/configdatetimedlg.h
+++ b/app/gui/oven_control/configdatetimedlg.h
@@ -21,8 +21,6 @@ public:
 private slots:
     void on_ctrBtnOk_clicked();
 
-    void on_spinBox_valueChanged(int arg1);
-
     void on_ctrBtnCancel_clicked();
 
     void keyCancel_clicked();
diff --git a/app/gui/oven_control/configinfodlg.cpp b/app/gui/oven_control/configinfodlg.cpp
index 593482f..729a132 100644
--- a/app/gui/oven_control/configinfodlg.cpp
+++ b/app/gui/oven_control/configinfodlg.cpp
@@ -165,7 +165,7 @@ void ConfigInfoDlg::loadHotlineServiceInfo(){
     }
 }
 
-void ConfigInfoDlg::keyPressEvent(QKeyEvent *event){
+void ConfigInfoDlg::keyPressEvent(QKeyEvent */*event*/){
 
 }
 
diff --git a/app/gui/oven_control/configwindow.cpp b/app/gui/oven_control/configwindow.cpp
index 8b18d21..3cb606c 100644
--- a/app/gui/oven_control/configwindow.cpp
+++ b/app/gui/oven_control/configwindow.cpp
@@ -20,7 +20,6 @@ ConfigWindow::ConfigWindow(QWidget *parent) :
     QMainWindow(parent),
     ui(new Ui::ConfigWindow)
 {
-    uint32_t idx;
     ui->setupUi(this);
 
     ui->clockContainer->setParent(ui->upperStack);
@@ -36,15 +35,6 @@ ConfigWindow::ConfigWindow(QWidget *parent) :
 
     config_item item;
 
-
-    QSetIterator<uint32_t> itr = cfg->getConstBeginFavorite();
-    while(itr.hasNext()) itr.next();
-
-    while(itr.hasPrevious()){
-        idx = itr.previous();
-        //configbtn = new ConfigPanelButton(this,idx);
-    }
-
     m_nCurConfigPos = config_menu_favorite;
 
     reloadUi();
diff --git a/app/gui/oven_control/cookpanelbutton.cpp b/app/gui/oven_control/cookpanelbutton.cpp
index 3b6725f..619250b 100644
--- a/app/gui/oven_control/cookpanelbutton.cpp
+++ b/app/gui/oven_control/cookpanelbutton.cpp
@@ -13,8 +13,8 @@ CookPanelButton::CookPanelButton(CookRecord record, QWidget *parent) :
     record(record),
     ui(new Ui::CookPanelButton),
     rendered(false),
-    longPressEnabled(false),
-    emitted(false)
+    emitted(false),
+    longPressEnabled(false)
 {
     ui->setupUi(this);
 
diff --git a/app/gui/oven_control/electricmodelsettingwindow.cpp b/app/gui/oven_control/electricmodelsettingwindow.cpp
index bb7f9d9..e33081a 100644
--- a/app/gui/oven_control/electricmodelsettingwindow.cpp
+++ b/app/gui/oven_control/electricmodelsettingwindow.cpp
@@ -13,15 +13,11 @@ ElectricModelSettingWindow::ElectricModelSettingWindow(QWidget *parent) :
     ui->clockContainer->setParent(ui->upperStack);
     setAttribute(Qt::WA_DeleteOnClose);
 
-
-
     foreach (QPushButton *button, findChildren<QPushButton *>())
         connect(button, &QPushButton::pressed, SoundPlayer::playClick);
 
-    Config* cfg = Config::getInstance();
-    Define::config_item item;
-    item = cfg->getConfigValue(Define::config_model);
-    selitem = item.d32;
+    Define::config_item item = Config::getInstance()->getConfigValue(Define::config_model);
+    selitem = (Define::model_type) item.d32;
     switch(selitem){
     case Define::model_electric_10:
         ui->e10Button->setChecked(true);
@@ -35,7 +31,10 @@ ElectricModelSettingWindow::ElectricModelSettingWindow(QWidget *parent) :
     case Define::model_electric_40:
         ui->e40Button->setChecked(true);
         break;
+    default:
+        break;
     }
+
     this->setFocus();
     m_vectorTabOrder.append(this);
     m_vectorTabOrder.append(ui->e10Button);
@@ -62,37 +61,27 @@ void ElectricModelSettingWindow::setModel(Define::model_type model)
 
 void ElectricModelSettingWindow::on_e10Button_clicked()
 {
-    //setModel(Define::model_electric_10);
     selitem = Define::model_electric_10;
 }
 
 void ElectricModelSettingWindow::on_e20Button_clicked()
 {
-    //setModel(Define::model_electric_20);
     selitem = Define::model_electric_20;
 }
 
 void ElectricModelSettingWindow::on_e24Button_clicked()
 {
-    //setModel(Define::model_electric_24);
-
     selitem = Define::model_electric_24;
-
 }
 
 void ElectricModelSettingWindow::on_e40Button_clicked()
 {
-    //setModel(Define::model_electric_40);
-
     selitem = Define::model_electric_40;
 }
 
 void ElectricModelSettingWindow::on_backButton_clicked()
 {
-    Config* cfg = Config::getInstance();
-    Define::config_item item;
-    item = cfg->getConfigValue(Define::config_model);
-
+    Define::config_item item = Config::getInstance()->getConfigValue(Define::config_model);
     if(selitem != item.d32){
         YesNoPopupDlg* yesnopop = new YesNoPopupDlg(this, tr("모델을 변경하시겠습니까?"));
         yesnopop->setModal(true);
diff --git a/app/gui/oven_control/electricmodelsettingwindow.h b/app/gui/oven_control/electricmodelsettingwindow.h
index 3d0cb55..ed3ecf7 100644
--- a/app/gui/oven_control/electricmodelsettingwindow.h
+++ b/app/gui/oven_control/electricmodelsettingwindow.h
@@ -36,7 +36,7 @@ private slots:
 
 private:
     Ui::ElectricModelSettingWindow *ui;
-    int selitem;
+    Define::model_type selitem;
 
     QWidget *pushed = NULL;
     QVector<QWidget*> m_vectorTabOrder;
diff --git a/app/gui/oven_control/fileprocessdlg.cpp b/app/gui/oven_control/fileprocessdlg.cpp
index 7309744..46c0168 100644
--- a/app/gui/oven_control/fileprocessdlg.cpp
+++ b/app/gui/oven_control/fileprocessdlg.cpp
@@ -35,12 +35,9 @@ void ProgramCopyWorker::workerMain(){
     uint16_t nCurProgress=0;
     int nRemainSec = 0;
     QStringList strdirlist;
-    QStringList strFilelist;
     QString srcFilepath;
     QString destFilePath;
 
-    int i;
-
     //make destination folder
     QDir destdir(m_strDestDir);
     if(!destdir.isRoot() && destdir.exists()==false){
@@ -298,45 +295,16 @@ void FileProcessDlg::saveHistoryLineData(QTextStream &out, uint16_t i,  uint16_t
         }
         else{
             dt.setTime_t(first_fired);
-            strLine+= Stringer::DateTimeString(dt,Stringer::datetime_string_type_oneline) + ",";
+            strLine+= Stringer::dateTime(dt,Stringer::OneLine) + ",";
             strLine += QString("%1").arg(fired_cnt) + ",";
             dt.setTime_t(last_fried);
-            strLine += Stringer::DateTimeString(dt,Stringer::datetime_string_type_oneline) + ",";
+            strLine += Stringer::dateTime(dt,Stringer::OneLine) + ",";
         }
         out << strLine << "\n";
         qDebug() << strLine;
     //}
 }
 
-void FileProcessDlg::saveHistoryTotalData(QTextStream &out){
-    int i = 0;
-    error_item *item;
-    time_t firsttimebuf=0,lasttimebuf=0;
-    uint16_t firecntbuf=0;
-    QString strLine;
-    QDateTime dt;
-    OvenStatistics *ovenst = OvenStatistics::getInstance();
-
-    //01 상부 점화 장치 데이터 초기화
-//    for(i=0;i<m_arrErrorMaxIdx[ERROR_HISTORY_UPPERBUNNER];i++){
-//        item = &(ovenst->srvdata->err_log.values[m_arrErrorIdxs[ERROR_HISTORY_UPPERBUNNER][i]]);
-//       if(i==0) {firsttimebuf = item->first_fired;lasttimebuf = item->last_fried;firecntbuf=item->fired_cnt;}
-//       else{
-//            if( firsttimebuf > item->first_fired && item->first_fired != 0 ) firsttimebuf = item->first_fired;
-//            if( lasttimebuf < item->last_fried ) lasttimebuf = item->last_fried;
-//            firecntbuf += item->fired_cnt;
-//       }
-
-//    }
-//    total_items[0].fired_cnt = firecntbuf;
-//    total_items[0].first_fired = firsttimebuf;
-//    total_items[0].last_fried = lasttimebuf;
-
-
-}
-
-
-
 void FileProcessDlg::infodataDownload(){
     QString strUsbPath;
     QString strFile;
@@ -490,7 +458,6 @@ void FileProcessDlg::servicedataDownload(){
     QString strHeader = "no,name,time\n";
     QString strFile;
     QFile file;
-    error_item *item;
     uint32_t timetemp, totaltime=0;
     int i = 1;
     OvenStatistics *ovs = OvenStatistics::getInstance();
@@ -604,13 +571,11 @@ void FileProcessDlg::onProgressed(int progress, int sec){
     min = sec/60;
     _sec = sec%60;
     if(min >0){
-        //strTemp.sprintf("남은 예상 시간 : %d분 %d초", min, _sec);
-        strTemp = tr("남은 예상 시간 : %1분 %2초").arg(min).arg(sec);
+        strTemp = tr("남은 예상 시간 : %1분 %2초").arg(min).arg(_sec);
         ui->ctrLbRemainTime->setText(strTemp);
     }
     else{
-        //strTemp.sprintf("남은 예상 시간 : %d초",  sec);
-        strTemp = tr("남은 예상 시간 : %1초").arg(sec);
+        strTemp = tr("남은 예상 시간 : %1초").arg(_sec);
         ui->ctrLbRemainTime->setText(strTemp);
     }
 }
@@ -755,7 +720,6 @@ void FileProcessDlg::standardInfoUpload()
 {
     QString strUsbPath;
     QString strSrcPath;
-    Config *cfg = Config::getInstance();
     if(FileProcessor::detectUSB(strUsbPath)){
         strSrcPath = QString("%1/%2").arg(strUsbPath).arg(MODEL_INFO_FILE_NAME);
         QFile file(MODEL_INFO_FILE_NAME);
@@ -808,7 +772,7 @@ void FileProcessDlg::standardInfoUpload()
     }
 }
 
-void FileProcessDlg::keyPressEvent(QKeyEvent *event){
+void FileProcessDlg::keyPressEvent(QKeyEvent */*event*/){
 
 }
 
diff --git a/app/gui/oven_control/fileprocessdlg.h b/app/gui/oven_control/fileprocessdlg.h
index 7a73421..b9e8d36 100644
--- a/app/gui/oven_control/fileprocessdlg.h
+++ b/app/gui/oven_control/fileprocessdlg.h
@@ -15,7 +15,6 @@
 using namespace Define;
 using namespace ERROR_LOG_SPACE;
 
-
 namespace Ui {
 class FileProcessDlg;
 }
@@ -39,7 +38,6 @@ public slots:
     void workerMain();
     void workerStop();
 
-
 signals:
     void finished();
     void progressed(int progress, int sec);
@@ -49,9 +47,7 @@ class FileProcessDlg : public QDialog
 {
     Q_OBJECT
 
-
     void saveHistoryLineData(QTextStream &out, uint16_t i,  uint16_t cnt, time_t first_fired, time_t last_fried);
-    void saveHistoryTotalData(QTextStream &out);
 
 public:
     explicit FileProcessDlg(QWidget *parent = 0, ConfigType type = config_invalid, bool isDown = true);
diff --git a/app/gui/oven_control/fileprocessgauge.cpp b/app/gui/oven_control/fileprocessgauge.cpp
index 85de2fb..0c586d9 100644
--- a/app/gui/oven_control/fileprocessgauge.cpp
+++ b/app/gui/oven_control/fileprocessgauge.cpp
@@ -12,7 +12,7 @@ FileProcessGauge::FileProcessGauge(QWidget *parent) : PreheatTempGauge(parent)
     val = 30;
 }
 
-void FileProcessGauge::paintEvent(QPaintEvent *event){
+void FileProcessGauge::paintEvent(QPaintEvent */*event*/){
     QPainter painter(this);
     painter.setBrush(Qt::NoBrush);
     painter.setPen(Qt::NoPen);
diff --git a/app/gui/oven_control/fileprocessor.cpp b/app/gui/oven_control/fileprocessor.cpp
index f9b91b1..da00c79 100644
--- a/app/gui/oven_control/fileprocessor.cpp
+++ b/app/gui/oven_control/fileprocessor.cpp
@@ -18,8 +18,6 @@ bool FileProcessor::fileExist(const QString &path_file){
 }
 
 bool FileProcessor::detectUSB(QString &usbPath){
-    int curUsbNum=0xff;
-    bool usbMountErr = false;
     QString checkUsbName[3] = {
         "sda",
         "sdb",
diff --git a/app/gui/oven_control/functiontestwindow.cpp b/app/gui/oven_control/functiontestwindow.cpp
index e10f2fa..600df62 100644
--- a/app/gui/oven_control/functiontestwindow.cpp
+++ b/app/gui/oven_control/functiontestwindow.cpp
@@ -124,10 +124,8 @@ void FunctionTestWindow::onEncoderClicked(QWidget *clicked)
         b->click();
 }
 
-bool FunctionTestWindow::readFromRpmFilea(QMap<QString, uint32_t> &rpm_map, const QString &filename){
+bool FunctionTestWindow::readFromRpmFile(QMap<QString, uint32_t> &rpm_map, const QString &filename){
     QFile file(filename);
-    QString label;
-    uint32_t value;
 
     if(file.open(QIODevice::ReadOnly | QIODevice::Text)){
         while(!file.atEnd()){
@@ -184,9 +182,7 @@ void FunctionTestWindow::on_adjustBlowerFan_clicked()
 
     strUsbPath = QString("%1%2").arg(strUsbPath).arg(QString(RPM_INFO_FILE_NAME));
 
-    if(readFromRpmFilea(rpm_infos,strUsbPath)){
-
-        YesNoPopupDlg* dlg = new YesNoPopupDlg(this, tr("송풍기 교정을 하시겠습니까?"));
+    if(readFromRpmFile(rpm_infos,strUsbPath)){
 
         item.d32 = rpm_infos["config_burner1_pwr1_normal_rpm"];
         cfg->setConfigValue(Define::config_burner1_pwr1_normal_rpm, item);
diff --git a/app/gui/oven_control/functiontestwindow.h b/app/gui/oven_control/functiontestwindow.h
index 84bde0a..b174f9d 100644
--- a/app/gui/oven_control/functiontestwindow.h
+++ b/app/gui/oven_control/functiontestwindow.h
@@ -43,7 +43,7 @@ private:
     void onEncoderLeft();
     void onEncoderRight();
     void onEncoderClicked(QWidget *clicked);
-    bool readFromRpmFilea(QMap<QString, uint32_t> &rpm_map, const QString &filename);
+    bool readFromRpmFile(QMap<QString, uint32_t> &rpm_map, const QString &filename);
 };
 
 #endif // FUNCTIONTESTWINDOW_H
diff --git a/app/gui/oven_control/historylistwindow.cpp b/app/gui/oven_control/historylistwindow.cpp
index 9edba44..865f71a 100644
--- a/app/gui/oven_control/historylistwindow.cpp
+++ b/app/gui/oven_control/historylistwindow.cpp
@@ -88,9 +88,7 @@ void HistoryListWindow::reloadDataset(void){
     int i = 0;
     QString strPrefix = tr("에러");
     QString strTemp = "";
-    char strTime[64];
     error_item *item;
-    struct tm *timeptr;
 
 
     for(i=0;i<MAX_DISP_ITEM;i++){
@@ -109,9 +107,9 @@ void HistoryListWindow::reloadDataset(void){
                 m_ctrlCountLabels[i] ->setText(strTemp.sprintf("%d",item->fired_cnt));
                 QDateTime dt;
                 dt.setTime_t(item->first_fired);
-                m_ctrlFirstTimeLabels[i]->setText(Stringer::DateTimeString(dt, Stringer::datetime_string_type_oneline));
+                m_ctrlFirstTimeLabels[i]->setText(Stringer::dateTime(dt, Stringer::OneLine));
                 dt.setTime_t(item->last_fried);
-                m_ctrlLastTimeLabels[i]->setText(Stringer::DateTimeString(dt, Stringer::datetime_string_type_oneline));
+                m_ctrlLastTimeLabels[i]->setText(Stringer::dateTime(dt, Stringer::OneLine));
             }
         }
         else{
diff --git a/app/gui/oven_control/manualcooksettingwidget.cpp b/app/gui/oven_control/manualcooksettingwidget.cpp
index a30b023..bac3464 100644
--- a/app/gui/oven_control/manualcooksettingwidget.cpp
+++ b/app/gui/oven_control/manualcooksettingwidget.cpp
@@ -112,53 +112,3 @@ void ManualCookSettingWidget::setFan(int level)
         break;
     }
 }
-
-void ManualCookSettingWidget::keyPressEvent(QKeyEvent *event)
-{
-    switch (event->key())
-    {
-    case 0x01000032:    // Turn left
-        onEncoderLeft();
-        break;
-    case 0x01000031:    // Push
-        pushed = focusWidget();
-        break;
-    case 0x01000030:    // Turn right
-        onEncoderRight();
-        break;
-    }
-}
-
-void ManualCookSettingWidget::keyReleaseEvent(QKeyEvent *event)
-{
-    switch (event->key())
-    {
-    case 0x01000032:    // Turn left
-        onEncoderLeft();
-        break;
-    case 0x01000031:    // Push
-        if (focusWidget() == pushed)
-            onEncoderClicked(pushed);
-
-        pushed = NULL;
-        break;
-    case 0x01000030:    // Turn right
-        onEncoderRight();
-        break;
-    }
-}
-
-void ManualCookSettingWidget::onEncoderLeft()
-{
-
-}
-
-void ManualCookSettingWidget::onEncoderRight()
-{
-
-}
-
-void ManualCookSettingWidget::onEncoderClicked(QWidget *clicked)
-{
-
-}
diff --git a/app/gui/oven_control/manualcooksettingwidget.h b/app/gui/oven_control/manualcooksettingwidget.h
index e4c58ee..33270aa 100644
--- a/app/gui/oven_control/manualcooksettingwidget.h
+++ b/app/gui/oven_control/manualcooksettingwidget.h
@@ -26,18 +26,8 @@ public:
     void setCoreTemp(int celsius);
     void setFan(int level);
 
-protected:
-    void keyPressEvent(QKeyEvent *event);
-    void keyReleaseEvent(QKeyEvent *event);
-
 private:
     Ui::ManualCookSettingWidget *ui;
-
-    QWidget *pushed = NULL;
-
-    void onEncoderLeft();
-    void onEncoderRight();
-    void onEncoderClicked(QWidget *clicked);
 };
 
 #endif // MANUALCOOKSETTINGWIDGET_H
diff --git a/app/gui/oven_control/notipopupdlg.cpp b/app/gui/oven_control/notipopupdlg.cpp
index 40c8b5c..ed296f4 100644
--- a/app/gui/oven_control/notipopupdlg.cpp
+++ b/app/gui/oven_control/notipopupdlg.cpp
@@ -36,7 +36,7 @@ void NotiPopupDlg::on_ctrBtnOk_clicked()
 }
 
 
-void NotiPopupDlg::keyPressEvent(QKeyEvent *event){
+void NotiPopupDlg::keyPressEvent(QKeyEvent */*event*/){
 
 }
 
diff --git a/app/gui/oven_control/oven_control.pro b/app/gui/oven_control/oven_control.pro
index f99cb3f..9097705 100644
--- a/app/gui/oven_control/oven_control.pro
+++ b/app/gui/oven_control/oven_control.pro
@@ -65,7 +65,7 @@ SOURCES += main.cpp\
     yesnopopupdlg.cpp \
     configpanelbutton.cpp \
     config.cpp \
-    basicsettingwindow.cpp \
+#basicsettingwindow.cpp \
     programmingwindow.cpp \
     primewindow.cpp \
     cookpanelbutton.cpp \
@@ -184,7 +184,7 @@ HEADERS  += mainwindow.h \
     yesnopopupdlg.h \
     configpanelbutton.h \
     config.h \
-    basicsettingwindow.h \
+    #basicsettingwindow.h \
     programmingwindow.h \
     primewindow.h \
     cookpanelbutton.h \
@@ -280,7 +280,7 @@ FORMS    += mainwindow.ui \
     adjustmentwindow.ui \
     yesnopopupdlg.ui \
     configpanelbutton.ui \
-    basicsettingwindow.ui \
+    #basicsettingwindow.ui \
     programmingwindow.ui \
     primewindow.ui \
     cookpanelbutton.ui \
diff --git a/app/gui/oven_control/realtimesensorwindow.cpp b/app/gui/oven_control/realtimesensorwindow.cpp
index e0c5f13..df345f4 100644
--- a/app/gui/oven_control/realtimesensorwindow.cpp
+++ b/app/gui/oven_control/realtimesensorwindow.cpp
@@ -83,9 +83,7 @@ uint16_t i_temp1,i_temp2;
 type_temp temp_temp;
 
 void RealtimeSensorWindow::reloadUi(void){
-    char strTime[64];
     QString strTemp="";
-    struct tm *timeptr;
     int i = 0;
     OvenStatistics* ovs = OvenStatistics::getInstance();
     if(ovs!= NULL){
@@ -123,7 +121,7 @@ void RealtimeSensorWindow::reloadUi(void){
                 dt_tm.setTime_t(m_arrSensorItems[i]->last_high_time);
                 //timeptr = localtime(&(m_arrSensorItems[i]->last_high_time));
                 //strftime(strTime,64,"%y-%m-%d\n%H:%M:%S",timeptr);
-                m_arrLbState[3][i]->setText(Stringer::DateTimeString(dt_tm));
+                m_arrLbState[3][i]->setText(Stringer::dateTime(dt_tm));
             }
             else{
                 m_arrLbState[3][i]->setText("-");
diff --git a/app/gui/oven_control/servicedata.cpp b/app/gui/oven_control/servicedata.cpp
index 0dfcb7a..15c5192 100644
--- a/app/gui/oven_control/servicedata.cpp
+++ b/app/gui/oven_control/servicedata.cpp
@@ -108,7 +108,7 @@ bool ServiceData::loadServiceData(void){
 bool ServiceData::resetSensorlogData()
 {
      memset((void*)sensor_log.data,0x00, sizeof(sensor_statics_log));
-     saveServiceData();
+     return saveServiceData();
 }
 
 bool ServiceData::saveServiceData(void){
diff --git a/app/gui/oven_control/servicepassinputdlg.cpp b/app/gui/oven_control/servicepassinputdlg.cpp
index 82b8f13..b364a53 100644
--- a/app/gui/oven_control/servicepassinputdlg.cpp
+++ b/app/gui/oven_control/servicepassinputdlg.cpp
@@ -81,7 +81,6 @@ void ServicePassInputDlg::keyboardInputEvent(QString strIn){
 }
 
 void ServicePassInputDlg::keyPressEvent(QKeyEvent *event){
-    int i = 0;
     switch (event->key())
     {
     case 0x01000032:    // Turn left
@@ -100,7 +99,6 @@ void ServicePassInputDlg::keyPressEvent(QKeyEvent *event){
 }
 
 void ServicePassInputDlg::keyReleaseEvent(QKeyEvent *event){
-    int i = 0;
     switch (event->key())
     {
     case 0x01000032:    // Turn left
diff --git a/app/gui/oven_control/stringer.cpp b/app/gui/oven_control/stringer.cpp
index 25f1ac4..e952d18 100644
--- a/app/gui/oven_control/stringer.cpp
+++ b/app/gui/oven_control/stringer.cpp
@@ -216,21 +216,21 @@ QString Stringer::unusedTemperature(QString style)
     }
 }
 
-
-QString Stringer::DateTimeString(const QDateTime &dt_tm, datetime_string_type type)
+QString Stringer::dateTime(const QDateTime &dateTime, DateTimeType type)
 {
-    QString strTemp;
     Define::config_item item = Config::getInstance()->getConfigValue(Define::config_time_type);
-    switch(item.d32){
-        case Define::time_type_12h:
-        if(type == datetime_string_type_oneline) strTemp = dt_tm.toString("yy-MM-dd a hh:mm" );
-        else strTemp = dt_tm.toString("yy-MM-dd\na hh:mm" );
-        break;
+    switch(item.d32)
+    {
+    case Define::time_type_12h:
+        if (type == OneLine)
+            return dateTime.toString("yy-MM-dd a hh:mm");
+        else
+            return dateTime.toString("yy-MM-dd\na hh:mm");
     case Define::time_type_24h:
     default:
-        if(type == datetime_string_type_oneline) strTemp = dt_tm.toString("yy-MM-dd HH:mm" );
-        else strTemp = dt_tm.toString("yy-MM-dd\nHH:mm" );
-        break;
+        if (type == OneLine)
+            return dateTime.toString("yy-MM-dd HH:mm");
+        else
+            return dateTime.toString("yy-MM-dd\nHH:mm");
     }
-    return strTemp;
 }
diff --git a/app/gui/oven_control/stringer.h b/app/gui/oven_control/stringer.h
index ca296ab..f4abc69 100644
--- a/app/gui/oven_control/stringer.h
+++ b/app/gui/oven_control/stringer.h
@@ -7,10 +7,7 @@
 
 namespace Stringer {
 
-enum datetime_string_type{
-    datetime_string_type_oneline=0,
-    datetime_string_type_twoline
-};
+enum DateTimeType { OneLine, TwoLine };
 
 const QString fontSize14("\
 <style>\
@@ -29,8 +26,7 @@ QString temperature(int current, int target);
 QString temperature(int current, int target, QString style);
 QString unusedTemperature();
 QString unusedTemperature(QString style);
-QString DateTimeString(const QDateTime &dt_tm, datetime_string_type type=datetime_string_type_twoline);
-
+QString dateTime(const QDateTime &dateTime, DateTimeType type = TwoLine);
 
 }
 
diff --git a/app/gui/oven_control/usbcheckpopupdlg.cpp b/app/gui/oven_control/usbcheckpopupdlg.cpp
index 8b4f8ad..4ab7114 100644
--- a/app/gui/oven_control/usbcheckpopupdlg.cpp
+++ b/app/gui/oven_control/usbcheckpopupdlg.cpp
@@ -42,22 +42,18 @@ void UsbCheckPopupDlg::usbCheckTimerFired(){
 
 
 void UsbCheckPopupDlg::keyPressEvent(QKeyEvent *event){
-    int i = 0;
     switch (event->key())
     {
     case 0x01000032:    // Turn left
         break;
     case 0x01000031:    // Push
-    {
         break;
-    }
     case 0x01000030:    // Turn right
         break;
     }
 }
 
 void UsbCheckPopupDlg::keyReleaseEvent(QKeyEvent *event){
-    int i = 0;
     switch (event->key())
     {
     case 0x01000032:    // Turn left