diff --git a/src/app_link_qqt_library.pri b/src/app_link_qqt_library.pri
index 6217146f..890a1742 100644
--- a/src/app_link_qqt_library.pri
+++ b/src/app_link_qqt_library.pri
@@ -99,7 +99,15 @@ contains (CONFIG, QQT_SOURCE_BUILDIN) {
     #link_from_sdk do move qqt to sdk path at app pre link command not lib build time
     #mod qqt source to start post link is not needed here.
     #need mod app souce after every pri mod.
-    system("touch $${QQT_SOURCE_ROOT}/frame/qqtapplication.cpp")
+    #起初,qmake步骤被安置在QQt里,所以只有更改源代码才能启动POSTLINK.现在放置在App里了,这里的touch修改源代码不需要了.
+    #App修改源代码,Creator会自动qmake,启动qmake步骤PRILINK+POSTLINK
+    #App修改pro,必须手动qmake,Creator才会qmake,启动qmake步骤PRILINK+POSTLINK
+    #App必须注意,此处不再持续编译QQt.
+    #QQt持续编译配置开关
+    CONFIG += continued_build
+    contains(CONFIG, continued_build){
+        system("touch $${QQT_SOURCE_ROOT}/frame/qqtapplication.cpp")
+    }
     include ($${QQT_SOURCE_ROOT}/qqt_install.pri)
 
     #in this pri use QQT_SDK_ROOT QQT_SDK_PWD QQT_LIB_PWD
diff --git a/src/exquisite/qqtcustomprogressbar.cpp b/src/exquisite/qqtcustomprogressbar.cpp
index d2448867..60412ed2 100644
--- a/src/exquisite/qqtcustomprogressbar.cpp
+++ b/src/exquisite/qqtcustomprogressbar.cpp
@@ -18,6 +18,7 @@ QQtCustomProgressBar::QQtCustomProgressBar ( QWidget* parent ) : QWidget ( paren
     nullPosition = 0;
     lineWidth = 10;
     cornerRadius = 10;
+    lineCapStyle = Qt::RoundCap;
 
     showPercent = true;
     showFree = false;
@@ -162,7 +163,7 @@ void QQtCustomProgressBar::drawArc ( QPainter* painter, int radius )
     pen.setWidthF ( lineWidth );
 
     /*这里可以更改画笔样式更换线条风格*/
-    pen.setCapStyle ( Qt::RoundCap );
+    pen.setCapStyle ( ( Qt::PenCapStyle ) lineCapStyle );
 
     double arcLength = 360.0 / ( maxValue - minValue ) * ( value - minValue );
     QRect rect ( -radius, -radius, radius * 2, radius * 2 );
@@ -591,6 +592,15 @@ void QQtCustomProgressBar::setLineWidth ( int lineWidth )
     }
 }
 
+void QQtCustomProgressBar::setLineCapStyle ( int lineCapStyle )
+{
+    if ( this->lineCapStyle != lineCapStyle )
+    {
+        this->lineCapStyle = lineCapStyle;
+        update();
+    }
+}
+
 void QQtCustomProgressBar::setShowPercent ( bool showPercent )
 {
     if ( this->showPercent != showPercent )
diff --git a/src/exquisite/qqtcustomprogressbar.h b/src/exquisite/qqtcustomprogressbar.h
index 5c6372e3..55a7fdac 100644
--- a/src/exquisite/qqtcustomprogressbar.h
+++ b/src/exquisite/qqtcustomprogressbar.h
@@ -55,6 +55,7 @@ class QQTSHARED_EXPORT QQtCustomProgressBar : public QWidget
     Q_PROPERTY ( int nullPosition READ getNullPosition WRITE setNullPosition )
     Q_PROPERTY ( int lineWidth READ getLineWidth WRITE setLineWidth )
     Q_PROPERTY ( int cornerRadius READ getCornerRaduis WRITE setCornerRadius )
+    Q_PROPERTY ( int lineCapStyle READ getLineCapStyle WRITE setLineCapStyle )
 
     Q_PROPERTY ( bool showPercent READ getShowPercent WRITE setShowPercent )
     Q_PROPERTY ( bool showFree READ getShowFree WRITE setShowFree )
@@ -112,11 +113,11 @@ public:
 
     enum TextStyle
     {
-        TextStyle_None = 0,           /*不显示*/
+        TextStyle_None = 0,                     /*不显示*/
         TextStyle_Middle_Percent = 1,           /*只在中央显示百分比*/
-        TextStyle_Percent = 2,           /*只显示百分比*/
-        TextStyle_Text = 3,      /*只显示文字*/
-        TextStyle_Percent_Text = 4,          /*显示百分比和文字*/
+        TextStyle_Percent = 2,                  /*只在下部显示百分比*/
+        TextStyle_Text = 3,                     /*不在下部显示百分比，只在中央显示文字*/
+        TextStyle_Percent_Text = 4,             /*和在下部显示百分比，和在中央显示文字*/
     };
 
     explicit QQtCustomProgressBar ( QWidget* parent = 0 );
@@ -130,6 +131,7 @@ public:
     int getNullPosition()           const;
     int getLineWidth()              const;
     int getCornerRaduis() const { return cornerRadius; }
+    int getLineCapStyle() const { return lineCapStyle; }
 
     bool getShowPercent()           const;
     bool getShowFree()              const;
@@ -176,6 +178,8 @@ public Q_SLOTS:
     void setNullPosition ( int nullPosition );
     /*设置线条宽度*/
     void setLineWidth ( int lineWidth );
+    /*设置线条的帽子（线头）的样式 = Qt::PenCapStyle*/
+    void setLineCapStyle ( int lineCapStyle );
 
     /*设置是否显示百分比*/
     void setShowPercent ( bool showPercent );
@@ -231,13 +235,13 @@ signals:
 public slots:
 
 protected:
-    void paintEvent ( QPaintEvent* );
-    void drawBackground ( QPainter* painter, int radius );
-    void drawArc ( QPainter* painter, int radius );
-    void drawPolo ( QPainter* painter, int radius );
-    void drawWave ( QPainter* painter, int radius );
-    void drawText ( QPainter* painter, int radius );
-    void drawPercentText ( QPainter* painter, int radius );
+    virtual void paintEvent ( QPaintEvent* );
+    virtual void drawBackground ( QPainter* painter, int radius );
+    virtual void drawArc ( QPainter* painter, int radius );
+    virtual void drawPolo ( QPainter* painter, int radius );
+    virtual void drawWave ( QPainter* painter, int radius );
+    virtual void drawText ( QPainter* painter, int radius );
+    virtual void drawPercentText ( QPainter* painter, int radius );
 
 private:
     int maxValue;                   /*最小值*/
@@ -246,6 +250,7 @@ private:
 
     int nullPosition;               /*起始角度*/
     int lineWidth;                  /*线条宽度*/
+    int lineCapStyle;               /*线条的帽子（线头）的样式*/
 
     bool showPercent;               /*是否显示百分比*/
     QString text; /*文字*/
diff --git a/src/exquisite/qqtpicturetabbar.cpp b/src/exquisite/qqtpicturetabbar.cpp
index 38a22bde..ad72cd51 100644
--- a/src/exquisite/qqtpicturetabbar.cpp
+++ b/src/exquisite/qqtpicturetabbar.cpp
@@ -158,13 +158,27 @@ void QQtPictureTabBar::drawPicture ( QPainter* p )
         {
             p->save();
             int sel = currentIndex() == index ? BTN_PRESS : BTN_NORMAL;
+#if 1
             //tabRect = rect()?
             p->drawPixmap ( tRect0, QIcon ( imgList[index][sel] ).pixmap ( tRect0.size(), QIcon::Normal, QIcon::On ) );
+#endif
+
             /*
              * 失真不明显，使用以下方法
              */
-            //QImage image(iconList[index][sel]);
-            //p.drawItemPixmap(tabRectValue, Qt::AlignLeft |Qt::AlignTop, QPixmap::fromImage(image.scaled(tabRectValue.size(), Qt::KeepAspectRatio)));
+#if 0
+            QImage image ( iconList[index][sel] );
+            p.drawItemPixmap ( tabRectValue, Qt::AlignLeft | Qt::AlignTop, QPixmap::fromImage ( image.scaled ( tabRectValue.size(),
+                               Qt::KeepAspectRatio ) ) );
+#endif
+
+            //需要QStylePainter支援
+            //为什么不用这个呢?因为上边那个QIcon直接缩放到了完整的符合Icon大小的图.直接居中.
+            //这个不需要,多次一举.
+#if 0
+            p->drawItemPixmap ( tRect0, Qt::AlignCenter, QIcon ( imgList[index][sel] ).pixmap ( tRect0.size(), QIcon::Normal,
+                                QIcon::On )  );
+#endif
             p->restore();
         }
     }
diff --git a/src/widgets/qqtprogressbar.cpp b/src/widgets/qqtprogressbar.cpp
index 14a16aa3..cf7e7196 100644
--- a/src/widgets/qqtprogressbar.cpp
+++ b/src/widgets/qqtprogressbar.cpp
@@ -16,8 +16,8 @@ QQtProgressBar::QQtProgressBar ( QWidget* parent ) :
     m_trunk = "./skin/default/bk_progress_trunk.png";
     ui->widthTrunk->setPixmap ( m_trunk );
     ui->widgetBack->setPixmap ( m_back );
-    ui->widthTrunk->setType ( QQtWidget::QQTTILEDWIDTH );
-    ui->widgetBack->setType ( QQtWidget::QQTZOOMWIDTH );
+    ui->widthTrunk->setImageStyle ( QQtWidget::QQTTILEDWIDTH );
+    ui->widgetBack->setImageStyle ( QQtWidget::QQTZOOMWIDTH );
 }
 
 QQtProgressBar::~QQtProgressBar()
diff --git a/src/widgets/qqtwidget.cpp b/src/widgets/qqtwidget.cpp
index 27ffd387..74f187d1 100644
--- a/src/widgets/qqtwidget.cpp
+++ b/src/widgets/qqtwidget.cpp
@@ -20,7 +20,7 @@ QQtWidget::~QQtWidget()
 
 void QQtWidget::setPixmap ( const QString& pic )
 {
-    bool ret = mImg.load ( pic );
+    bool ret = mImage.load ( pic );
     /*请确认文件是否拷贝成功。*/
     //pline() << ret << mImg.isNull();
     update();
@@ -28,19 +28,19 @@ void QQtWidget::setPixmap ( const QString& pic )
 
 void QQtWidget::setPixmap ( const QPixmap& pixmap )
 {
-    mImg = pixmap.toImage();
+    mImage = pixmap.toImage();
     update();
 }
 
 void QQtWidget::setPixmap ( const QImage& image )
 {
-    mImg = image;
+    mImage = image;
     update();
 }
 
 void QQtWidget::paintEvent ( QPaintEvent* event )
 {
-    if ( mImg.isNull() )
+    if ( mImage.isNull() )
         return QWidget::paintEvent ( event );
 
     QStylePainter p ( this );
@@ -49,18 +49,52 @@ void QQtWidget::paintEvent ( QPaintEvent* event )
     {
         case QQTCENTER:
         {
-            /*
+            /**
              * 要达到居中的目标，QImage需要做的size判断很繁复，这里使用QIcon做一些中间转换的后续转换，可以很容易的达到绘制合理大小的pixmap的目的。
              * source: pixmap file image
              * QImage 输入、输出两侧是pixmap
              * 借助(+QIcon) QIcon 输入、输出两侧也是pixmap
              * dest: 所需要的、合理大小的pixmap
              */
+            //这个也不行.???不能缩放...
+#if 0
+            QPixmap pix;
+            pix.convertFromImage ( mImage );
+            p.drawPixmap ( rect(), pix );
+#endif
+
+            //计算繁琐
+#if 0
+            QSize rSize = rect().size();
+            QSize iSize = mImage.rect().size();
+            int lX = iSize.width() <= rSize.width() ? iSize.width() : rSize.width();
+            int lY = iSize.height() <= rSize.height() ? iSize.height() : rSize.height();
+            QSize mSize ( lX, lY );
+            p.drawItemPixmap ( rect(), Qt::AlignCenter, QPixmap::fromImage ( mImage.scaled ( mSize, Qt::KeepAspectRatio ) ) );
+#endif
+
+            //缩小图片的时候,失败了.???不是的,外部使用的时候请注意,你的widget最小大小是不是0,0.如果不是,那么你的fixedSize是不是太小了,能设置成功吗?
+            //写法复杂
+#if 0
             QIcon icon;
-            icon.addPixmap ( QPixmap::fromImage ( mImg ), QIcon::Normal, QIcon::On );
+            icon.addPixmap ( QPixmap::fromImage ( mImage ), QIcon::Normal, QIcon::On );
             p.drawItemPixmap ( rect(), Qt::AlignCenter, icon.pixmap ( rect().size(), QIcon::Normal, QIcon::On ) );
-            //QSize mSize = mImg.rect() > rect() ? rect().size() : mImg.size();
-            //p.drawItemPixmap ( rect(), Qt::AlignCenter, QPixmap::fromImage ( mImg.scaled ( mSize, Qt::KeepAspectRatio ) ) );
+#endif
+
+            //经过验证,
+            //QIcon的构造函数参数为pixmap的有bug,不能正常获得完整pixmap.
+            //QIcon的构造函数参数为QString的是正常的.
+            //以上结论错误,都是好的,没有bug,受到了外部widget,setMinimumSize的限定蛊惑,setFixedSize无效导致的.
+            //不居中.
+#if 0
+            p.drawPixmap ( rect(), QIcon ( QPixmap::fromImage ( mImage ) ).pixmap ( rect().size(), QIcon::Normal, QIcon::On ) );
+#endif
+
+#if 1
+            p.drawItemPixmap ( rect(), Qt::AlignCenter, QIcon ( QPixmap::fromImage ( mImage ) ).pixmap ( rect().size(),
+                               QIcon::Normal, QIcon::On ) );
+#endif
+
         }
         break;
 
@@ -68,7 +102,7 @@ void QQtWidget::paintEvent ( QPaintEvent* event )
         {
             p.drawItemPixmap ( rect(), Qt::AlignLeft | Qt::AlignTop,
                                /*.copy() 切出图片的左上部分使用*/
-                               QPixmap::fromImage ( mImg.copy ( rect() )
+                               QPixmap::fromImage ( mImage.copy ( rect() )
                                                     .scaledToWidth ( rect().width() )
                                                   ) );
         }
@@ -78,8 +112,8 @@ void QQtWidget::paintEvent ( QPaintEvent* event )
         {
             p.drawItemPixmap ( rect(), Qt::AlignLeft | Qt::AlignTop,
                                /*不.copy() 切出图片的中间部分使用*/
-                               QPixmap::fromImage ( mImg
-                                                    .scaled ( rect().width(), mImg.height(), Qt::IgnoreAspectRatio )
+                               QPixmap::fromImage ( mImage
+                                                    .scaled ( rect().width(), mImage.height(), Qt::IgnoreAspectRatio )
                                                   ) );
         }
         break;
@@ -108,7 +142,7 @@ void QQtWidget::mouseReleaseEvent ( QMouseEvent* event )
     {
         m_lcTimer->stop();
         emit click();
-        emit clickWithPoint(event->pos());
+        emit clickWithPoint ( event->pos() );
     }
 
     return QWidget::mouseReleaseEvent ( event );
@@ -117,13 +151,13 @@ void QQtWidget::mouseReleaseEvent ( QMouseEvent* event )
 void QQtWidget::mouseDoubleClickEvent ( QMouseEvent* event )
 {
     emit doubleClick();
-    emit doubleClickWithPoint(event->pos());
+    emit doubleClickWithPoint ( event->pos() );
     return QWidget::mouseDoubleClickEvent ( event );
 }
 
 void QQtWidget::slot_timeout()
 {
     emit longClick();
-    emit longClickWithPoint(mlongClickPoint);
+    emit longClickWithPoint ( mlongClickPoint );
 }
 
diff --git a/src/widgets/qqtwidget.h b/src/widgets/qqtwidget.h
index cc0ccf81..dba2f722 100644
--- a/src/widgets/qqtwidget.h
+++ b/src/widgets/qqtwidget.h
@@ -1,4 +1,4 @@
-#ifndef QQTWIDGET_H
+#ifndef QQTWIDGET_H
 #define QQTWIDGET_H
 
 #include <qqt-local.h>
@@ -22,6 +22,9 @@ public:
 
     enum ImageStyle
     {
+        /**
+         * 整个居中,全面缩放显示
+         */
         QQTCENTER,
         /*
          * 会产生label的效果，左右按照rect长，但是不缩放形状
@@ -31,7 +34,7 @@ public:
         QQTZOOMWIDTH,
         QQTZOOMHEIGHT,
     };
-    void setType ( ImageStyle style = QQTCENTER ) { m_style = style; }
+    void setImageStyle ( ImageStyle style = QQTCENTER ) { m_style = style; }
 
     void setPixmap ( const QString& pic = QString() );
     void setPixmap ( const QPixmap& pixmap );
@@ -43,9 +46,9 @@ signals:
     void longClick();
 
 signals:
-    void clickWithPoint(QPoint point);
-    void doubleClickWithPoint(QPoint point);
-    void longClickWithPoint(QPoint point);
+    void clickWithPoint ( QPoint point );
+    void doubleClickWithPoint ( QPoint point );
+    void longClickWithPoint ( QPoint point );
 
     // QWidget interface
 protected:
@@ -66,7 +69,7 @@ private:
     /*pixmap是必要的。绘图用pixmap。*/
     /*内部没有使用QPixmap存储，因为如果缩放widget，pixmap就没办法了，img有*/
     /*内部对QIcon的使用删除了，icon不是必要的。*/
-    QImage mImg;
+    QImage mImage;
     //for longClickWithPoint()
     QPoint mlongClickPoint;
 };