diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -450,6 +450,9 @@ void MainWindow::saveMWSettings(QSetting
     // save active panel
     settings->setValue(SG_MainWindow_ActivePanel,
                        panelSettingMap.value(ui->tabWidget->currentIndex()));
+    // save panel minimization
+    settings->setValue(SG_MainWindow_HidePanels,
+                       ui->tabWidget->hideAction.isChecked());
     settings->endGroup();
 }
 
@@ -466,6 +469,11 @@ void MainWindow::loadMWSettings(QSetting
     ui->tabWidget->setCurrentIndex(
         panelSettingMap.key(tabSetting, ui->tabWidget->currentIndex()));
 
+    // hide panels
+    ui->tabWidget->hideAction.setChecked(
+        settings->value(SG_MainWindow_HidePanels,
+                        ui->tabWidget->hideAction.isChecked()).toBool());
+
     settings->endGroup();
 }
 
diff --git a/src/setting_defines.h b/src/setting_defines.h
--- a/src/setting_defines.h
+++ b/src/setting_defines.h
@@ -31,6 +31,7 @@ const char SettingGroup_Commands[] = "Co
 const char SG_MainWindow_Size[] = "size";
 const char SG_MainWindow_Pos[] = "pos";
 const char SG_MainWindow_ActivePanel[] = "activePanel";
+const char SG_MainWindow_HidePanels[] = "hidePanels";
 
 // port setting keys
 const char SG_Port_SelectedPort[] = "selectedPort";