diff --git a/control/devicesizetable/devicesizetable.cpp b/control/devicesizetable/devicesizetable.cpp
index 416b8d2..8df3868 100644
--- a/control/devicesizetable/devicesizetable.cpp
+++ b/control/devicesizetable/devicesizetable.cpp
@@ -96,7 +96,7 @@ void DeviceSizeTable::load()
 {
     //清空原有数据
     int row = this->rowCount();
-    for (int i = 0; i < row; i++) {
+    for (int i = 0; i < row; ++i) {
         this->removeRow(0);
     }
 
@@ -215,7 +215,7 @@ void DeviceSizeTable::checkSize(const QString &result, const QString &name)
     QStringList list = result.split(" ");
     int index = 0;
 
-    for (int i = 0; i < list.count(); i++) {
+    for (int i = 0; i < list.count(); ++i) {
         QString s = list.at(i).trimmed();
         if (s == "") {
             continue;
diff --git a/control/navbutton/iconhelper.cpp b/control/navbutton/iconhelper.cpp
index d12c99b..fe18f77 100644
--- a/control/navbutton/iconhelper.cpp
+++ b/control/navbutton/iconhelper.cpp
@@ -328,7 +328,7 @@ void IconHelper::setStyle1(QWidget *widget, QList<QAbstractButton *> btns, QList
     widget->setStyleSheet(qss.join(""));
 
     //可能会重复调用设置所以先要移除上一次的
-    for (int i = 0; i < btnCount; i++) {
+    for (int i = 0; i < btnCount; ++i) {
         for (int j = 0; j < this->btns.count(); j++) {
             if (this->btns.at(j) == btns.at(i)) {
                 disconnect(btns.at(i), SIGNAL(toggled(bool)), this, SLOT(toggled(bool)));
@@ -345,7 +345,7 @@ void IconHelper::setStyle1(QWidget *widget, QList<QAbstractButton *> btns, QList
 
     //存储对应按钮对象,方便鼠标移上去的时候切换图片
     int checkedIndex = -1;
-    for (int i = 0; i < btnCount; i++) {
+    for (int i = 0; i < btnCount; ++i) {
         int icon = icons.at(i);
         QPixmap pixNormal = getPixmap1(styleColor.normalTextColor, icon, iconSize, iconWidth, iconHeight);
         QPixmap pixHover = getPixmap1(styleColor.hoverTextColor, icon, iconSize, iconWidth, iconHeight);
diff --git a/control/navbutton/navbutton.cpp b/control/navbutton/navbutton.cpp
index 67c7e4e..d1000fb 100644
--- a/control/navbutton/navbutton.cpp
+++ b/control/navbutton/navbutton.cpp
@@ -46,11 +46,7 @@ NavButton::NavButton(QWidget *parent) : QPushButton(parent)
     setText("导航按钮");
 }
 
-#if (QT_VERSION >= QT_VERSION_CHECK(6,0,0))
-void NavButton::enterEvent(QEnterEvent *)
-#else
 void NavButton::enterEvent(QEvent *)
-#endif
 {
     hover = true;
     this->update();
diff --git a/control/navbutton/navbutton.h b/control/navbutton/navbutton.h
index b9a43b4..37a221d 100644
--- a/control/navbutton/navbutton.h
+++ b/control/navbutton/navbutton.h
@@ -92,11 +92,7 @@ public:
     explicit NavButton(QWidget *parent = 0);
 
 protected:
-#if (QT_VERSION >= QT_VERSION_CHECK(6,0,0))
-    void enterEvent(QEnterEvent *);
-#else
     void enterEvent(QEvent *);
-#endif
     void leaveEvent(QEvent *);
     void paintEvent(QPaintEvent *);
     void drawBg(QPainter *painter);
diff --git a/control/smoothcurve/smoothcurve.cpp b/control/smoothcurve/smoothcurve.cpp
index 8753cd2..0977868 100644
--- a/control/smoothcurve/smoothcurve.cpp
+++ b/control/smoothcurve/smoothcurve.cpp
@@ -51,13 +51,13 @@ void SmoothCurve::calculateFirstControlPoints(double *&result, const double *rhs
     double b = 2.0;
     result[0] = rhs[0] / b;
 
-    for (int i = 1; i < n; i++) {
+    for (int i = 1; i < n; ++i) {
         tmp[i] = 1 / b;
         b = (i < n - 1 ? 4.0 : 3.5) - tmp[i];
         result[i] = (rhs[i] - result[i - 1]) / b;
     }
 
-    for (int i = 1; i < n; i++) {
+    for (int i = 1; i < n; ++i) {
         result[n - i - 1] -= tmp[n - i] * result[n - i];
     }
 
diff --git a/control/zhtopy/zhtopy.cpp b/control/zhtopy/zhtopy.cpp
index f5631b6..d09a52f 100644
--- a/control/zhtopy/zhtopy.cpp
+++ b/control/zhtopy/zhtopy.cpp
@@ -277,7 +277,7 @@ QString ZhToPY::zhToJP(const QString &chinese)
 
     QString str;
     int index = 0;
-    for (int i = 0; i < chinese.length(); i++) {
+    for (int i = 0; i < chinese.length(); ++i) {
         //若是字母或数字则直接输出
         ushort vChar = chinese.at(i).unicode() ;
         if ((vChar >= 'a' && vChar <= 'z') || (vChar >= 'A' && vChar <= 'Z')) {
diff --git a/other/ntpclient/ntpclient.cpp b/other/ntpclient/ntpclient.cpp
index f9b5288..65f1aac 100644
--- a/other/ntpclient/ntpclient.cpp
+++ b/other/ntpclient/ntpclient.cpp
@@ -77,7 +77,7 @@ void NtpClient::readData()
     quint32 seconds = transmitTimeStamp.at(0);
     quint8 temp = 0;
 
-    for (int i = 1; i <= 3; i++) {
+    for (int i = 1; i <= 3; ++i) {
         seconds = (seconds << 8);
         temp = transmitTimeStamp.at(i);
         seconds = seconds + temp;
diff --git a/third/3rd_qcustomplot/3rd_qcustomplot.pri b/third/3rd_qcustomplot/3rd_qcustomplot.pri
index 9eaba9e..dbeebc1 100644
--- a/third/3rd_qcustomplot/3rd_qcustomplot.pri
+++ b/third/3rd_qcustomplot/3rd_qcustomplot.pri
@@ -5,11 +5,15 @@ greaterThan(QT_MAJOR_VERSION, 4): CONFIG += c++11
 !contains(DEFINES, qcustomplot_v1_3) {
 !contains(DEFINES, qcustomplot_v2_0) {
 !contains(DEFINES, qcustomplot_v2_1) {
-greaterThan(QT_MAJOR_VERSION, 4) {
-DEFINES += qcustomplot_v2_1
-} else {
 DEFINES += qcustomplot_v2_0
-}}}}
+}}}
+
+!contains(DEFINES, qcustomplot_v2_1) {
+greaterThan(QT_MAJOR_VERSION, 4) {
+DEFINES -= qcustomplot_v1_3
+DEFINES -= qcustomplot_v2_0
+DEFINES += qcustomplot_v2_1
+}}
 
 contains(DEFINES, qcustomplot_v1_3) {
 INCLUDEPATH += $$PWD/v1_3
diff --git a/third/3rd_qcustomplot/v1_3/qcustomplot.cpp b/third/3rd_qcustomplot/v1_3/qcustomplot.cpp
index 3086082..6c79f15 100644
--- a/third/3rd_qcustomplot/v1_3/qcustomplot.cpp
+++ b/third/3rd_qcustomplot/v1_3/qcustomplot.cpp
@@ -1,4 +1,4 @@
-/***************************************************************************
+/***************************************************************************
 **                                                                        **
 **  QCustomPlot, an easy to use, modern plotting widget for Qt            **
 **  Copyright (C) 2011-2015 Emanuel Eichhammer                            **
@@ -22848,7 +22848,7 @@ QPointF QCPItemPixmap::anchorPixelPoint(int anchorId) const
     case aiRight:       return (rect.topRight()+rect.bottomRight())*0.5;
     case aiBottom:      return (rect.bottomLeft()+rect.bottomRight())*0.5;
     case aiBottomLeft:  return rect.bottomLeft();
-    case aiLeft:        return (rect.topLeft()+rect.bottomLeft())*0.5;;
+    case aiLeft:        return (rect.topLeft()+rect.bottomLeft())*0.5;
   }
   
   qDebug() << Q_FUNC_INFO << "invalid anchorId" << anchorId;
diff --git a/third/3rd_qcustomplot/v2_0/qcustomplot.cpp b/third/3rd_qcustomplot/v2_0/qcustomplot.cpp
index 51722e2..2966b6f 100644
--- a/third/3rd_qcustomplot/v2_0/qcustomplot.cpp
+++ b/third/3rd_qcustomplot/v2_0/qcustomplot.cpp
@@ -1,4 +1,4 @@
-/***************************************************************************
+/***************************************************************************
 **                                                                        **
 **  QCustomPlot, an easy to use, modern plotting widget for Qt            **
 **  Copyright (C) 2011-2018 Emanuel Eichhammer                            **
@@ -4002,7 +4002,7 @@ QSize QCPLayout::getFinalMinimumOuterSize(const QCPLayoutElement *el)
     minOuter.rheight() += el->margins().top() + el->margins().bottom();
   
   return QSize(minOuter.width() > 0 ? minOuter.width() : minOuterHint.width(),
-               minOuter.height() > 0 ? minOuter.height() : minOuterHint.height());;
+               minOuter.height() > 0 ? minOuter.height() : minOuterHint.height());
 }
 
 /*! \internal
@@ -29480,7 +29480,7 @@ QPointF QCPItemPixmap::anchorPixelPosition(int anchorId) const
     case aiRight:       return (rect.topRight()+rect.bottomRight())*0.5;
     case aiBottom:      return (rect.bottomLeft()+rect.bottomRight())*0.5;
     case aiBottomLeft:  return rect.bottomLeft();
-    case aiLeft:        return (rect.topLeft()+rect.bottomLeft())*0.5;;
+    case aiLeft:        return (rect.topLeft()+rect.bottomLeft())*0.5;
   }
   
   qDebug() << Q_FUNC_INFO << "invalid anchorId" << anchorId;
diff --git a/third/qcustomplotdemo/frmcustom/iconhelper.cpp b/third/qcustomplotdemo/frmcustom/iconhelper.cpp
index d12c99b..fe18f77 100644
--- a/third/qcustomplotdemo/frmcustom/iconhelper.cpp
+++ b/third/qcustomplotdemo/frmcustom/iconhelper.cpp
@@ -328,7 +328,7 @@ void IconHelper::setStyle1(QWidget *widget, QList<QAbstractButton *> btns, QList
     widget->setStyleSheet(qss.join(""));
 
     //可能会重复调用设置所以先要移除上一次的
-    for (int i = 0; i < btnCount; i++) {
+    for (int i = 0; i < btnCount; ++i) {
         for (int j = 0; j < this->btns.count(); j++) {
             if (this->btns.at(j) == btns.at(i)) {
                 disconnect(btns.at(i), SIGNAL(toggled(bool)), this, SLOT(toggled(bool)));
@@ -345,7 +345,7 @@ void IconHelper::setStyle1(QWidget *widget, QList<QAbstractButton *> btns, QList
 
     //存储对应按钮对象,方便鼠标移上去的时候切换图片
     int checkedIndex = -1;
-    for (int i = 0; i < btnCount; i++) {
+    for (int i = 0; i < btnCount; ++i) {
         int icon = icons.at(i);
         QPixmap pixNormal = getPixmap1(styleColor.normalTextColor, icon, iconSize, iconWidth, iconHeight);
         QPixmap pixHover = getPixmap1(styleColor.hoverTextColor, icon, iconSize, iconWidth, iconHeight);
diff --git a/tool/3rd_smtpclient/emailaddress.h b/tool/3rd_smtpclient/emailaddress.h
index 0ea0e05..8e56938 100644
--- a/tool/3rd_smtpclient/emailaddress.h
+++ b/tool/3rd_smtpclient/emailaddress.h
@@ -7,10 +7,7 @@ class EmailAddress : public QObject
 {
 	Q_OBJECT
 public:
-
-	EmailAddress();
 	EmailAddress(const QString &address, const QString &name = "");
-
 	~EmailAddress();
 
 	void setName(const QString &name);
diff --git a/tool/tool.pro b/tool/tool.pro
index 785a4ea..c690d8a 100644
--- a/tool/tool.pro
+++ b/tool/tool.pro
@@ -13,8 +13,3 @@ SUBDIRS += keytool
 SUBDIRS += keydemo
 SUBDIRS += livetool
 SUBDIRS += livedemo
-
-#Qt6有些代码没适配
-greaterThan(QT_MAJOR_VERSION, 5) {
-SUBDIRS -= emailtool
-}
diff --git a/ui/core_common/iconhelper.cpp b/ui/core_common/iconhelper.cpp
index d12c99b..fe18f77 100644
--- a/ui/core_common/iconhelper.cpp
+++ b/ui/core_common/iconhelper.cpp
@@ -328,7 +328,7 @@ void IconHelper::setStyle1(QWidget *widget, QList<QAbstractButton *> btns, QList
     widget->setStyleSheet(qss.join(""));
 
     //可能会重复调用设置所以先要移除上一次的
-    for (int i = 0; i < btnCount; i++) {
+    for (int i = 0; i < btnCount; ++i) {
         for (int j = 0; j < this->btns.count(); j++) {
             if (this->btns.at(j) == btns.at(i)) {
                 disconnect(btns.at(i), SIGNAL(toggled(bool)), this, SLOT(toggled(bool)));
@@ -345,7 +345,7 @@ void IconHelper::setStyle1(QWidget *widget, QList<QAbstractButton *> btns, QList
 
     //存储对应按钮对象,方便鼠标移上去的时候切换图片
     int checkedIndex = -1;
-    for (int i = 0; i < btnCount; i++) {
+    for (int i = 0; i < btnCount; ++i) {
         int icon = icons.at(i);
         QPixmap pixNormal = getPixmap1(styleColor.normalTextColor, icon, iconSize, iconWidth, iconHeight);
         QPixmap pixHover = getPixmap1(styleColor.hoverTextColor, icon, iconSize, iconWidth, iconHeight);
diff --git a/ui/core_qss/qss/blacksoft.css b/ui/core_qss/qss/blacksoft.css
index 26ab7b7..09a607a 100644
--- a/ui/core_qss/qss/blacksoft.css
+++ b/ui/core_qss/qss/blacksoft.css
@@ -495,7 +495,7 @@ margin:0px;
 background:qlineargradient(spread:pad,x1:0,y1:0,x2:0,y2:1,stop:0 #646464,stop:1 #525252);
 }
 
-QTabBar::tab:selected,QTabBar::tab:hover{
+QTabBar::tab:selected{
 border-style:solid;
 border-color:#AAAAAA;
 background:#444444;
@@ -509,38 +509,38 @@ QTabBar::tab:left,QTabBar::tab:right{
 padding:8px 3px 8px 3px;
 }
 
-QTabBar::tab:top:selected,QTabBar::tab:top:hover{
+QTabBar::tab:top:selected{
 border-width:2px 0px 0px 0px;
 }
 
-QTabBar::tab:right:selected,QTabBar::tab:right:hover{
+QTabBar::tab:right:selected{
 border-width:0px 0px 0px 2px;
 }
 
-QTabBar::tab:bottom:selected,QTabBar::tab:bottom:hover{
+QTabBar::tab:bottom:selected{
 border-width:0px 0px 2px 0px;
 }
 
-QTabBar::tab:left:selected,QTabBar::tab:left:hover{
+QTabBar::tab:left:selected{
 border-width:0px 2px 0px 0px;
 }
 
-QTabBar::tab:first:top:selected,QTabBar::tab:first:top:hover,QTabBar::tab:first:bottom:selected,QTabBar::tab:first:bottom:hover{
+QTabBar::tab:first:top:selected,QTabBar::tab:first:bottom:selected{
 border-left-width:1px;
 border-left-color:#242424;
 }
 
-QTabBar::tab:first:left:selected,QTabBar::tab:first:left:hover,QTabBar::tab:first:right:selected,QTabBar::tab:first:right:hover{
+QTabBar::tab:first:left:selected,QTabBar::tab:first:right:selected{
 border-top-width:1px;
 border-top-color:#242424;
 }
 
-QTabBar::tab:last:top:selected,QTabBar::tab:last:top:hover,QTabBar::tab:last:bottom:selected,QTabBar::tab:last:bottom:hover{
+QTabBar::tab:last:top:selected,QTabBar::tab:last:bottom:selected{
 border-right-width:1px;
 border-right-color:#242424;
 }
 
-QTabBar::tab:last:left:selected,QTabBar::tab:last:left:hover,QTabBar::tab:last:right:selected,QTabBar::tab:last:right:hover{
+QTabBar::tab:last:left:selected,QTabBar::tab:last:right:selected{
 border-bottom-width:1px;
 border-bottom-color:#242424;
 }
diff --git a/ui/iconhelper/iconhelper.cpp b/ui/iconhelper/iconhelper.cpp
index d12c99b..fe18f77 100644
--- a/ui/iconhelper/iconhelper.cpp
+++ b/ui/iconhelper/iconhelper.cpp
@@ -328,7 +328,7 @@ void IconHelper::setStyle1(QWidget *widget, QList<QAbstractButton *> btns, QList
     widget->setStyleSheet(qss.join(""));
 
     //可能会重复调用设置所以先要移除上一次的
-    for (int i = 0; i < btnCount; i++) {
+    for (int i = 0; i < btnCount; ++i) {
         for (int j = 0; j < this->btns.count(); j++) {
             if (this->btns.at(j) == btns.at(i)) {
                 disconnect(btns.at(i), SIGNAL(toggled(bool)), this, SLOT(toggled(bool)));
@@ -345,7 +345,7 @@ void IconHelper::setStyle1(QWidget *widget, QList<QAbstractButton *> btns, QList
 
     //存储对应按钮对象,方便鼠标移上去的时候切换图片
     int checkedIndex = -1;
-    for (int i = 0; i < btnCount; i++) {
+    for (int i = 0; i < btnCount; ++i) {
         int icon = icons.at(i);
         QPixmap pixNormal = getPixmap1(styleColor.normalTextColor, icon, iconSize, iconWidth, iconHeight);
         QPixmap pixHover = getPixmap1(styleColor.hoverTextColor, icon, iconSize, iconWidth, iconHeight);
diff --git a/ui/styledemo/frmmain.cpp b/ui/styledemo/frmmain.cpp
index 71e1fbb..493307f 100644
--- a/ui/styledemo/frmmain.cpp
+++ b/ui/styledemo/frmmain.cpp
@@ -28,7 +28,7 @@ void frmMain::initForm()
 
     //加载鼠标右键菜单翻译文件
     QTranslator *translator1 = new QTranslator(qApp);
-    if (translator1->load(":/qm/qt_zh_CN.qm")){
+    if (translator1->load(":/qm/qt_zh_CN.qm")) {
         qApp->installTranslator(translator1);
     }
 
@@ -44,7 +44,7 @@ void frmMain::initForm()
 void frmMain::loadStyle(const QString &qssFile)
 {
     //加载样式表
-    QString qss;    
+    QString qss;
     QFile file(qssFile);
     if (file.open(QFile::ReadOnly)) {
         //用QTextStream读取样式文件不用区分文件编码 带bom也行
@@ -79,3 +79,10 @@ void frmMain::on_btnStyle3_clicked()
 {
     loadStyle(":/qss/blacksoft.css");
 }
+
+void frmMain::on_btnInfo_clicked()
+{
+    //QFileDialog::getOpenFileName(this, "", "", "", 0, QFileDialog::DontUseNativeDialog);
+    //QFileDialog::getExistingDirectory(0, "", "", QFileDialog::DontUseNativeDialog);
+}
+
diff --git a/ui/styledemo/frmmain.h b/ui/styledemo/frmmain.h
index 342bca2..f860c3d 100644
--- a/ui/styledemo/frmmain.h
+++ b/ui/styledemo/frmmain.h
@@ -26,6 +26,7 @@ private slots:
     void on_btnStyle1_clicked();
     void on_btnStyle2_clicked();
     void on_btnStyle3_clicked();
+    void on_btnInfo_clicked();
 };
 
 #endif // FRMMAIN_H
diff --git a/ui/styledemo/qrc/qss/blacksoft.css b/ui/styledemo/qrc/qss/blacksoft.css
index 26ab7b7..09a607a 100644
--- a/ui/styledemo/qrc/qss/blacksoft.css
+++ b/ui/styledemo/qrc/qss/blacksoft.css
@@ -495,7 +495,7 @@ margin:0px;
 background:qlineargradient(spread:pad,x1:0,y1:0,x2:0,y2:1,stop:0 #646464,stop:1 #525252);
 }
 
-QTabBar::tab:selected,QTabBar::tab:hover{
+QTabBar::tab:selected{
 border-style:solid;
 border-color:#AAAAAA;
 background:#444444;
@@ -509,38 +509,38 @@ QTabBar::tab:left,QTabBar::tab:right{
 padding:8px 3px 8px 3px;
 }
 
-QTabBar::tab:top:selected,QTabBar::tab:top:hover{
+QTabBar::tab:top:selected{
 border-width:2px 0px 0px 0px;
 }
 
-QTabBar::tab:right:selected,QTabBar::tab:right:hover{
+QTabBar::tab:right:selected{
 border-width:0px 0px 0px 2px;
 }
 
-QTabBar::tab:bottom:selected,QTabBar::tab:bottom:hover{
+QTabBar::tab:bottom:selected{
 border-width:0px 0px 2px 0px;
 }
 
-QTabBar::tab:left:selected,QTabBar::tab:left:hover{
+QTabBar::tab:left:selected{
 border-width:0px 2px 0px 0px;
 }
 
-QTabBar::tab:first:top:selected,QTabBar::tab:first:top:hover,QTabBar::tab:first:bottom:selected,QTabBar::tab:first:bottom:hover{
+QTabBar::tab:first:top:selected,QTabBar::tab:first:bottom:selected{
 border-left-width:1px;
 border-left-color:#242424;
 }
 
-QTabBar::tab:first:left:selected,QTabBar::tab:first:left:hover,QTabBar::tab:first:right:selected,QTabBar::tab:first:right:hover{
+QTabBar::tab:first:left:selected,QTabBar::tab:first:right:selected{
 border-top-width:1px;
 border-top-color:#242424;
 }
 
-QTabBar::tab:last:top:selected,QTabBar::tab:last:top:hover,QTabBar::tab:last:bottom:selected,QTabBar::tab:last:bottom:hover{
+QTabBar::tab:last:top:selected,QTabBar::tab:last:bottom:selected{
 border-right-width:1px;
 border-right-color:#242424;
 }
 
-QTabBar::tab:last:left:selected,QTabBar::tab:last:left:hover,QTabBar::tab:last:right:selected,QTabBar::tab:last:right:hover{
+QTabBar::tab:last:left:selected,QTabBar::tab:last:right:selected{
 border-bottom-width:1px;
 border-bottom-color:#242424;
 }
diff --git a/ui/styledemo/qrc/qss/flatgray.css b/ui/styledemo/qrc/qss/flatgray.css
index 6f5aa0a..883e90f 100644
--- a/ui/styledemo/qrc/qss/flatgray.css
+++ b/ui/styledemo/qrc/qss/flatgray.css
@@ -495,7 +495,7 @@ margin:0px;
 background:qlineargradient(spread:pad,x1:0,y1:0,x2:0,y2:1,stop:0 #F6F6F6,stop:1 #F6F6F6);
 }
 
-QTabBar::tab:selected,QTabBar::tab:hover{
+QTabBar::tab:selected{
 border-style:solid;
 border-color:#575959;
 background:#FFFFFF;
@@ -509,38 +509,38 @@ QTabBar::tab:left,QTabBar::tab:right{
 padding:8px 3px 8px 3px;
 }
 
-QTabBar::tab:top:selected,QTabBar::tab:top:hover{
+QTabBar::tab:top:selected{
 border-width:2px 0px 0px 0px;
 }
 
-QTabBar::tab:right:selected,QTabBar::tab:right:hover{
+QTabBar::tab:right:selected{
 border-width:0px 0px 0px 2px;
 }
 
-QTabBar::tab:bottom:selected,QTabBar::tab:bottom:hover{
+QTabBar::tab:bottom:selected{
 border-width:0px 0px 2px 0px;
 }
 
-QTabBar::tab:left:selected,QTabBar::tab:left:hover{
+QTabBar::tab:left:selected{
 border-width:0px 2px 0px 0px;
 }
 
-QTabBar::tab:first:top:selected,QTabBar::tab:first:top:hover,QTabBar::tab:first:bottom:selected,QTabBar::tab:first:bottom:hover{
+QTabBar::tab:first:top:selected,QTabBar::tab:first:bottom:selected{
 border-left-width:1px;
 border-left-color:#B6B6B6;
 }
 
-QTabBar::tab:first:left:selected,QTabBar::tab:first:left:hover,QTabBar::tab:first:right:selected,QTabBar::tab:first:right:hover{
+QTabBar::tab:first:left:selected,QTabBar::tab:first:right:selected{
 border-top-width:1px;
 border-top-color:#B6B6B6;
 }
 
-QTabBar::tab:last:top:selected,QTabBar::tab:last:top:hover,QTabBar::tab:last:bottom:selected,QTabBar::tab:last:bottom:hover{
+QTabBar::tab:last:top:selected,QTabBar::tab:last:bottom:selected{
 border-right-width:1px;
 border-right-color:#B6B6B6;
 }
 
-QTabBar::tab:last:left:selected,QTabBar::tab:last:left:hover,QTabBar::tab:last:right:selected,QTabBar::tab:last:right:hover{
+QTabBar::tab:last:left:selected,QTabBar::tab:last:right:selected{
 border-bottom-width:1px;
 border-bottom-color:#B6B6B6;
 }
diff --git a/ui/styledemo/qrc/qss/lightblue.css b/ui/styledemo/qrc/qss/lightblue.css
index 55e9ccd..590189b 100644
--- a/ui/styledemo/qrc/qss/lightblue.css
+++ b/ui/styledemo/qrc/qss/lightblue.css
@@ -495,7 +495,7 @@ margin:0px;
 background:qlineargradient(spread:pad,x1:0,y1:0,x2:0,y2:1,stop:0 #F2F9FF,stop:1 #DAEFFF);
 }
 
-QTabBar::tab:selected,QTabBar::tab:hover{
+QTabBar::tab:selected{
 border-style:solid;
 border-color:#386488;
 background:#EAF7FF;
@@ -509,38 +509,38 @@ QTabBar::tab:left,QTabBar::tab:right{
 padding:8px 3px 8px 3px;
 }
 
-QTabBar::tab:top:selected,QTabBar::tab:top:hover{
+QTabBar::tab:top:selected{
 border-width:2px 0px 0px 0px;
 }
 
-QTabBar::tab:right:selected,QTabBar::tab:right:hover{
+QTabBar::tab:right:selected{
 border-width:0px 0px 0px 2px;
 }
 
-QTabBar::tab:bottom:selected,QTabBar::tab:bottom:hover{
+QTabBar::tab:bottom:selected{
 border-width:0px 0px 2px 0px;
 }
 
-QTabBar::tab:left:selected,QTabBar::tab:left:hover{
+QTabBar::tab:left:selected{
 border-width:0px 2px 0px 0px;
 }
 
-QTabBar::tab:first:top:selected,QTabBar::tab:first:top:hover,QTabBar::tab:first:bottom:selected,QTabBar::tab:first:bottom:hover{
+QTabBar::tab:first:top:selected,QTabBar::tab:first:bottom:selected{
 border-left-width:1px;
 border-left-color:#C0DCF2;
 }
 
-QTabBar::tab:first:left:selected,QTabBar::tab:first:left:hover,QTabBar::tab:first:right:selected,QTabBar::tab:first:right:hover{
+QTabBar::tab:first:left:selected,QTabBar::tab:first:right:selected{
 border-top-width:1px;
 border-top-color:#C0DCF2;
 }
 
-QTabBar::tab:last:top:selected,QTabBar::tab:last:top:hover,QTabBar::tab:last:bottom:selected,QTabBar::tab:last:bottom:hover{
+QTabBar::tab:last:top:selected,QTabBar::tab:last:bottom:selected{
 border-right-width:1px;
 border-right-color:#C0DCF2;
 }
 
-QTabBar::tab:last:left:selected,QTabBar::tab:last:left:hover,QTabBar::tab:last:right:selected,QTabBar::tab:last:right:hover{
+QTabBar::tab:last:left:selected,QTabBar::tab:last:right:selected{
 border-bottom-width:1px;
 border-bottom-color:#C0DCF2;
 }
diff --git a/video/videobox/videobox.cpp b/video/videobox/videobox.cpp
index 5ed0654..7f71563 100644
--- a/video/videobox/videobox.cpp
+++ b/video/videobox/videobox.cpp
@@ -215,7 +215,7 @@ void VideoBox::change_video_normal(int index, int flag)
 
     //行列数一致的比如 2*2 3*4 4*4 5*5 等可以直接套用通用的公式
     //按照这个函数还可以非常容易的拓展出 10*10 16*16=256 通道界面
-    for (int i = 0; i < videoCount; i++) {
+    for (int i = 0; i < videoCount; ++i) {
         if (i >= index) {
             //添加到对应布局并设置可见
             gridLayout->addWidget(widgets.at(i), row, column);
@@ -269,7 +269,7 @@ void VideoBox::change_video_6(const QList<int> &indexs)
     gridLayout->addWidget(widgets.at(indexs.at(4)), 2, 1, 1, 1);
     gridLayout->addWidget(widgets.at(indexs.at(5)), 2, 0, 1, 1);
     //设置通道控件可见
-    for (int i = indexs.first(); i <= indexs.last(); i++) {
+    for (int i = indexs.first(); i <= indexs.last(); ++i) {
         widgets.at(i)->setVisible(true);
     }
 }
@@ -293,7 +293,7 @@ void VideoBox::change_video_8(const QList<int> &indexs)
     gridLayout->addWidget(widgets.at(indexs.at(6)), 3, 1, 1, 1);
     gridLayout->addWidget(widgets.at(indexs.at(7)), 3, 0, 1, 1);
     //设置通道控件可见
-    for (int i = indexs.first(); i <= indexs.last(); i++) {
+    for (int i = indexs.first(); i <= indexs.last(); ++i) {
         widgets.at(i)->setVisible(true);
     }
 }
@@ -322,7 +322,7 @@ void VideoBox::change_video_13(const QList<int> &indexs)
     gridLayout->addWidget(widgets.at(indexs.at(11)), 3, 2, 1, 1);
     gridLayout->addWidget(widgets.at(indexs.at(12)), 3, 3, 1, 1);
     //设置通道控件可见
-    for (int i = indexs.first(); i <= indexs.last(); i++) {
+    for (int i = indexs.first(); i <= indexs.last(); ++i) {
         widgets.at(i)->setVisible(true);
     }
 }
diff --git a/video/videopanel/videobox.cpp b/video/videopanel/videobox.cpp
index 5ed0654..7f71563 100644
--- a/video/videopanel/videobox.cpp
+++ b/video/videopanel/videobox.cpp
@@ -215,7 +215,7 @@ void VideoBox::change_video_normal(int index, int flag)
 
     //行列数一致的比如 2*2 3*4 4*4 5*5 等可以直接套用通用的公式
     //按照这个函数还可以非常容易的拓展出 10*10 16*16=256 通道界面
-    for (int i = 0; i < videoCount; i++) {
+    for (int i = 0; i < videoCount; ++i) {
         if (i >= index) {
             //添加到对应布局并设置可见
             gridLayout->addWidget(widgets.at(i), row, column);
@@ -269,7 +269,7 @@ void VideoBox::change_video_6(const QList<int> &indexs)
     gridLayout->addWidget(widgets.at(indexs.at(4)), 2, 1, 1, 1);
     gridLayout->addWidget(widgets.at(indexs.at(5)), 2, 0, 1, 1);
     //设置通道控件可见
-    for (int i = indexs.first(); i <= indexs.last(); i++) {
+    for (int i = indexs.first(); i <= indexs.last(); ++i) {
         widgets.at(i)->setVisible(true);
     }
 }
@@ -293,7 +293,7 @@ void VideoBox::change_video_8(const QList<int> &indexs)
     gridLayout->addWidget(widgets.at(indexs.at(6)), 3, 1, 1, 1);
     gridLayout->addWidget(widgets.at(indexs.at(7)), 3, 0, 1, 1);
     //设置通道控件可见
-    for (int i = indexs.first(); i <= indexs.last(); i++) {
+    for (int i = indexs.first(); i <= indexs.last(); ++i) {
         widgets.at(i)->setVisible(true);
     }
 }
@@ -322,7 +322,7 @@ void VideoBox::change_video_13(const QList<int> &indexs)
     gridLayout->addWidget(widgets.at(indexs.at(11)), 3, 2, 1, 1);
     gridLayout->addWidget(widgets.at(indexs.at(12)), 3, 3, 1, 1);
     //设置通道控件可见
-    for (int i = indexs.first(); i <= indexs.last(); i++) {
+    for (int i = indexs.first(); i <= indexs.last(); ++i) {
         widgets.at(i)->setVisible(true);
     }
 }
diff --git a/video/videopanel/videopanel.cpp b/video/videopanel/videopanel.cpp
index 8a089fb..d28fab2 100644
--- a/video/videopanel/videopanel.cpp
+++ b/video/videopanel/videopanel.cpp
@@ -75,7 +75,7 @@ void VideoPanel::initForm()
     videoCount = 64;
     videoType = "1_16";
 
-    for (int i = 0; i < videoCount; i++) {
+    for (int i = 0; i < videoCount; ++i) {
         QLabel *widget = new QLabel;
         widget->setObjectName(QString("video%1").arg(i + 1));
         widget->installEventFilter(this);
diff --git a/video/videowidget/videowidget.cpp b/video/videowidget/videowidget.cpp
index 14bb56c..414b649 100644
--- a/video/videowidget/videowidget.cpp
+++ b/video/videowidget/videowidget.cpp
@@ -124,7 +124,7 @@ void VideoWidget::initFlowPanel()
 #endif
 
     //循环添加顶部按钮
-    for (int i = 0; i < btns.count(); i++) {
+    for (int i = 0; i < btns.count(); ++i) {
         QPushButton *btn = new QPushButton;
         //绑定按钮单击事件,用来发出信号通知
         connect(btn, SIGNAL(clicked(bool)), this, SLOT(btnClicked()));
@@ -260,25 +260,25 @@ void VideoWidget::paintEvent(QPaintEvent *)
 
 void VideoWidget::drawBorder(QPainter *painter)
 {
-    if (borderWidth == 0) {
-        return;
-    }
-
     painter->save();
+
     QPen pen;
     pen.setWidth(borderWidth);
     pen.setColor(hasFocus() ? focusColor : borderColor);
-    painter->setPen(pen);
+    //边框宽度=0则不绘制边框
+    painter->setPen(borderWidth == 0 ? Qt::NoPen : pen);
+    //顺带把背景颜色这里也一并处理
+    if (bgColor != Qt::transparent) {
+        painter->setBrush(bgColor);
+    }
     painter->drawRect(rect());
+
     painter->restore();
 }
 
 void VideoWidget::drawBg(QPainter *painter)
 {
     painter->save();
-    if (bgColor != Qt::transparent) {
-        painter->fillRect(rect(), bgColor);
-    }
 
     //背景图片为空则绘制文字,否则绘制背景图片
     if (bgImage.isNull()) {
diff --git a/widget/lunarcalendarwidget/lunarcalendaritem.cpp b/widget/lunarcalendarwidget/lunarcalendaritem.cpp
index e49e40e..a003656 100644
--- a/widget/lunarcalendarwidget/lunarcalendaritem.cpp
+++ b/widget/lunarcalendarwidget/lunarcalendaritem.cpp
@@ -44,11 +44,7 @@ LunarCalendarItem::LunarCalendarItem(QWidget *parent) : QWidget(parent)
     hoverBgColor = QColor(204, 183, 180);
 }
 
-#if (QT_VERSION >= QT_VERSION_CHECK(6,0,0))
-void LunarCalendarItem::enterEvent(QEnterEvent *)
-#else
 void LunarCalendarItem::enterEvent(QEvent *)
-#endif
 {
     hover = true;
     this->update();
diff --git a/widget/lunarcalendarwidget/lunarcalendaritem.h b/widget/lunarcalendarwidget/lunarcalendaritem.h
index 4a18ea9..de3e56e 100644
--- a/widget/lunarcalendarwidget/lunarcalendaritem.h
+++ b/widget/lunarcalendarwidget/lunarcalendaritem.h
@@ -62,11 +62,7 @@ public:
     explicit LunarCalendarItem(QWidget *parent = 0);
 
 protected:
-#if (QT_VERSION >= QT_VERSION_CHECK(6,0,0))
-    void enterEvent(QEnterEvent *);
-#else
     void enterEvent(QEvent *);
-#endif
     void leaveEvent(QEvent *);
     void mousePressEvent(QMouseEvent *);
     void mouseReleaseEvent(QMouseEvent *);
diff --git a/widget/lunarcalendarwidget/lunarcalendarwidget.cpp b/widget/lunarcalendarwidget/lunarcalendarwidget.cpp
index 51c0110..2a102cf 100644
--- a/widget/lunarcalendarwidget/lunarcalendarwidget.cpp
+++ b/widget/lunarcalendarwidget/lunarcalendarwidget.cpp
@@ -121,14 +121,14 @@ void LunarCalendarWidget::initWidget()
     //年份下拉框
     cboxYear = new QComboBox;
     cboxYear->setObjectName("cboxYear");
-    for (int i = 1901; i <= 2099; i++) {
+    for (int i = 1901; i <= 2099; ++i) {
         cboxYear->addItem(QString("%1年").arg(i));
     }
 
     //月份下拉框
     cboxMonth = new QComboBox;
     cboxMonth->setObjectName("cboxMonth");
-    for (int i = 1; i <= 12; i++) {
+    for (int i = 1; i <= 12; ++i) {
         cboxMonth->addItem(QString("%1月").arg(i));
     }
 
@@ -162,7 +162,7 @@ void LunarCalendarWidget::initWidget()
     layoutWeek->setContentsMargins(0, 0, 0, 0);
     layoutWeek->setSpacing(0);
 
-    for (int i = 0; i < 7; i++) {
+    for (int i = 0; i < 7; ++i) {
         QLabel *lab = new QLabel;
         lab->setAlignment(Qt::AlignCenter);
         layoutWeek->addWidget(lab);
@@ -182,7 +182,7 @@ void LunarCalendarWidget::initWidget()
     layoutBody->setVerticalSpacing(0);
 
     //逐个添加日标签
-    for (int i = 0; i < 42; i++) {
+    for (int i = 0; i < 42; ++i) {
         LunarCalendarItem *lab = new LunarCalendarItem;
         connect(lab, SIGNAL(clicked(QDate, LunarCalendarItem::DayType)), this, SLOT(clicked(QDate, LunarCalendarItem::DayType)));
         layoutBody->addWidget(lab, i / 7, i % 7);
@@ -303,7 +303,7 @@ void LunarCalendarWidget::initDate()
     }
 
     //显示上月天数
-    for (int i = startPre; i < endPre; i++) {
+    for (int i = startPre; i < endPre; ++i) {
         index = i;
         tempDay = countDayPre - endPre + i + 1;
 
@@ -321,7 +321,7 @@ void LunarCalendarWidget::initDate()
     }
 
     //显示下月天数
-    for (int i = startNext; i < endNext; i++) {
+    for (int i = startNext; i < endNext; ++i) {
         index = 42 - endNext + i;
         tempDay = i - startNext + 1;
 
@@ -335,7 +335,7 @@ void LunarCalendarWidget::initDate()
     tempMonth = month;
 
     //显示当前月
-    for (int i = week; i < (countDay + week); i++) {
+    for (int i = week; i < (countDay + week); ++i) {
         index = (0 == week ? (i + 7) : i);
         tempDay = i - week + 1;
 
@@ -401,7 +401,7 @@ void LunarCalendarWidget::dayChanged(const QDate &date)
     //qDebug() << QString("%1-%2-%3").arg(year).arg(month).arg(day);
 
     //选中当前日期,其他日期恢复,这里还有优化空间,比方说类似单选框机制
-    for (int i = 0; i < 42; i++) {
+    for (int i = 0; i < 42; ++i) {
         //当月第一天是星期天要另外计算
         int index = day + week - 1;
         if (week == 0) {
@@ -652,7 +652,7 @@ void LunarCalendarWidget::setWeekNameFormat(const LunarCalendarWidget::WeekNameF
         }
 
         //逐个添加日期文字
-        for (int i = 0; i < 7; i++) {
+        for (int i = 0; i < 7; ++i) {
             labWeeks.at(i)->setText(listWeek.at(i));
         }
     }