diff --git a/mainwindow.cpp b/mainwindow.cpp
index 474823f..951c04e 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -18,7 +18,6 @@ MainWindow::MainWindow(QWidget *parent) :
     m_split_sav(nullptr)
 {
     ui->setupUi(this);
-    ui->toolBar->setHidden(true);
 
     // todo: use statusBar to indicate status
     // ui->statusBar->showMessage("welcome", 5000);
diff --git a/mainwindow.ui b/mainwindow.ui
index 11bec71..aaeea61 100644
--- a/mainwindow.ui
+++ b/mainwindow.ui
@@ -264,14 +264,6 @@
     </rect>
    </property>
   </widget>
-  <widget class="QToolBar" name="mainToolBar">
-   <attribute name="toolBarArea">
-    <enum>TopToolBarArea</enum>
-   </attribute>
-   <attribute name="toolBarBreak">
-    <bool>false</bool>
-   </attribute>
-  </widget>
   <widget class="QStatusBar" name="statusBar"/>
   <action name="actionHome">
    <property name="text">