diff --git a/RedPandaIDE/mainwindow.cpp b/RedPandaIDE/mainwindow.cpp
index 5fee3d26..0e10e004 100644
--- a/RedPandaIDE/mainwindow.cpp
+++ b/RedPandaIDE/mainwindow.cpp
@@ -4935,6 +4935,9 @@ void MainWindow::on_tabMessages_tabBarClicked(int index)
 {
     if (index == ui->tabMessages->currentIndex()) {
         ui->tabMessages->toggleShrined();
+        if (!ui->tabMessages->isShrinked()) {
+            resizeDocks({ui->dockMessages},{ui->tabMessages->beforeShrinkWidthOrHeight()},ui->tabMessages->shrinkOrientation());
+        }
     }
 }
 
@@ -5366,9 +5369,10 @@ void MainWindow::on_actionForward_triggered()
 void MainWindow::on_tabInfos_tabBarClicked(int index)
 {
     if (index == ui->tabInfos->currentIndex()) {
-        int width = ui->tabInfos->tabBar()->width();
         ui->tabInfos->toggleShrined();
-//        openCloseLeftPanel(!mLeftPanelOpenned);
+        if (!ui->tabInfos->isShrinked()) {
+            resizeDocks({ui->dockInfos},{ui->tabInfos->beforeShrinkWidthOrHeight()},ui->tabInfos->shrinkOrientation());
+        }
     }
 }
 
@@ -7703,19 +7707,17 @@ void MainWindow::on_dockInfos_dockLocationChanged(const Qt::DockWidgetArea &area
 
 void MainWindow::on_dockMessages_dockLocationChanged(const Qt::DockWidgetArea &area)
 {
-    qDebug()<<"-----";
-    qDebug()<<ui->dockMessages->minimumSize();
-    qDebug()<<ui->tabMessages->minimumSize();
-    qDebug()<<ui->tabMessages->minimumSizeHint();
     switch(area) {
     case Qt::DockWidgetArea::BottomDockWidgetArea:
     case Qt::DockWidgetArea::TopDockWidgetArea:
         ui->splitterDebug->setOrientation(Qt::Orientation::Horizontal);
         ui->splitterProblem->setOrientation(Qt::Orientation::Horizontal);
+        ui->dockMessages->setFeatures( ui->dockMessages->features() | QDockWidget::DockWidgetVerticalTitleBar);
         break;
     default:
         ui->splitterDebug->setOrientation(Qt::Orientation::Vertical);
         ui->splitterProblem->setOrientation(Qt::Orientation::Vertical);
+        ui->dockMessages->setFeatures( ui->dockMessages->features() & ~QDockWidget::DockWidgetVerticalTitleBar);
     }
     switch(area) {
     case Qt::DockWidgetArea::BottomDockWidgetArea:
@@ -7734,8 +7736,5 @@ void MainWindow::on_dockMessages_dockLocationChanged(const Qt::DockWidgetArea &a
     default:
         break;
     }
-    qDebug()<<ui->dockMessages->minimumSize();
-    qDebug()<<ui->tabMessages->minimumSize();
-    qDebug()<<ui->tabMessages->minimumSizeHint();
 }
 
diff --git a/RedPandaIDE/mainwindow.ui b/RedPandaIDE/mainwindow.ui
index 625461ff..cec471c2 100644
--- a/RedPandaIDE/mainwindow.ui
+++ b/RedPandaIDE/mainwindow.ui
@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>1114</width>
-    <height>627</height>
+    <width>945</width>
+    <height>619</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -116,7 +116,7 @@
     <rect>
      <x>0</x>
      <y>0</y>
-     <width>1114</width>
+     <width>945</width>
      <height>26</height>
     </rect>
    </property>
@@ -829,14 +829,8 @@
    </widget>
   </widget>
   <widget class="QDockWidget" name="dockMessages">
-   <property name="minimumSize">
-    <size>
-     <width>818</width>
-     <height>235</height>
-    </size>
-   </property>
    <property name="features">
-    <set>QDockWidget::DockWidgetMovable</set>
+    <set>QDockWidget::DockWidgetMovable|QDockWidget::DockWidgetVerticalTitleBar</set>
    </property>
    <property name="allowedAreas">
     <set>Qt::BottomDockWidgetArea|Qt::LeftDockWidgetArea|Qt::RightDockWidgetArea</set>
@@ -858,7 +852,7 @@
      <enum>QTabWidget::South</enum>
     </property>
     <property name="currentIndex">
-     <number>0</number>
+     <number>4</number>
     </property>
     <property name="iconSize">
      <size>
diff --git a/RedPandaIDE/widgets/shrinkabletabwidget.cpp b/RedPandaIDE/widgets/shrinkabletabwidget.cpp
index 24a81eb3..9d004707 100644
--- a/RedPandaIDE/widgets/shrinkabletabwidget.cpp
+++ b/RedPandaIDE/widgets/shrinkabletabwidget.cpp
@@ -18,6 +18,8 @@
 #include <QTabBar>
 #include <QDebug>
 
+QHash<const ShrinkableTabWidget*,QSize> ShrinkableTabWidget::BeforeShrinkSizes;
+
 ShrinkableTabWidget::ShrinkableTabWidget(QWidget *parent):QTabWidget(parent),
     mShrinked(false)
 {
@@ -26,8 +28,8 @@ ShrinkableTabWidget::ShrinkableTabWidget(QWidget *parent):QTabWidget(parent),
 
 void ShrinkableTabWidget::setShrinked(bool shrinked)
 {
-    if (!mShrinked) {
-        mBeforeShrinkSize = size();
+    if (!mShrinked && shrinked) {
+        BeforeShrinkSizes.insert(this, size());
     }
     mShrinked = shrinked;
     switch(this->tabPosition()) {
@@ -49,11 +51,43 @@ void ShrinkableTabWidget::setShrinked(bool shrinked)
     }
 }
 
+bool ShrinkableTabWidget::isShrinked() const
+{
+    return mShrinked;
+}
+
 void ShrinkableTabWidget::toggleShrined()
 {
     setShrinked(!mShrinked);
 }
 
+QSize ShrinkableTabWidget::beforeShrinkSize()
+{
+    QSize size = BeforeShrinkSizes.value(this,QSize());
+    if (!size.isValid())
+        size = QSize(width(),height());
+    return size;
+}
+
+int ShrinkableTabWidget::beforeShrinkWidthOrHeight()
+{
+    if (shrinkOrientation()==Qt::Vertical)
+        return beforeShrinkSize().height();
+    else
+        return beforeShrinkSize().width();
+}
+
+Qt::Orientation ShrinkableTabWidget::shrinkOrientation()
+{
+    switch(this->tabPosition()) {
+    case QTabWidget::East:
+    case QTabWidget::West:
+        return Qt::Horizontal;
+    default:
+        return Qt::Vertical;
+    }
+}
+
 QSize ShrinkableTabWidget::sizeHint() const
 {
     return QTabWidget::sizeHint();
@@ -71,7 +105,5 @@ QSize ShrinkableTabWidget::minimumSizeHint() const
     case QTabWidget::South:
         size.setHeight(tabBar()->height());
     }
-//    qDebug()<<"min size hint()"<<size;
-//    qDebug()<<"mininum size"<<minimumSize();
     return size;
 }
diff --git a/RedPandaIDE/widgets/shrinkabletabwidget.h b/RedPandaIDE/widgets/shrinkabletabwidget.h
index 364089ef..7b321d70 100644
--- a/RedPandaIDE/widgets/shrinkabletabwidget.h
+++ b/RedPandaIDE/widgets/shrinkabletabwidget.h
@@ -26,7 +26,11 @@ public:
     ShrinkableTabWidget(QWidget* parent=nullptr);
 
     void setShrinked(bool shrinked);
+    bool isShrinked() const;
     void toggleShrined();
+    QSize beforeShrinkSize();
+    int beforeShrinkWidthOrHeight();
+    Qt::Orientation shrinkOrientation();
 
     // QWidget interface
 public:
@@ -34,7 +38,7 @@ public:
     QSize minimumSizeHint() const;
 private:
     bool mShrinked;
-    QSize mBeforeShrinkSize;
+    static QHash<const ShrinkableTabWidget*,QSize> BeforeShrinkSizes;
 };
 
 #endif // SHRINKABLETABWIDGET_H