diff --git a/app/gui/oven_control/autocookwindow.cpp b/app/gui/oven_control/autocookwindow.cpp
index 2889094..75625ac 100644
--- a/app/gui/oven_control/autocookwindow.cpp
+++ b/app/gui/oven_control/autocookwindow.cpp
@@ -581,6 +581,8 @@ void AutoCookWindow::startProcess(int process)
         p->raise();
         break;
     }
+    default:
+        return;
     }
 }
 
diff --git a/app/gui/oven_control/configlanguagedlg.ui b/app/gui/oven_control/configlanguagedlg.ui
index 09d892b..94f18c3 100644
--- a/app/gui/oven_control/configlanguagedlg.ui
+++ b/app/gui/oven_control/configlanguagedlg.ui
@@ -254,7 +254,6 @@ QLabel{
     </item>
    </layout>
    <zorder>label</zorder>
-   <zorder></zorder>
    <zorder>line</zorder>
   </widget>
  </widget>
diff --git a/app/gui/oven_control/configtemptypedlg.ui b/app/gui/oven_control/configtemptypedlg.ui
index 0be0348..ffd287c 100644
--- a/app/gui/oven_control/configtemptypedlg.ui
+++ b/app/gui/oven_control/configtemptypedlg.ui
@@ -219,7 +219,6 @@ QLabel{
     </item>
    </layout>
    <zorder>label</zorder>
-   <zorder></zorder>
    <zorder>line</zorder>
   </widget>
  </widget>
diff --git a/app/gui/oven_control/favoritenamepopup.ui b/app/gui/oven_control/favoritenamepopup.ui
index 821e280..b03e4c9 100644
--- a/app/gui/oven_control/favoritenamepopup.ui
+++ b/app/gui/oven_control/favoritenamepopup.ui
@@ -146,11 +146,6 @@ QPushButton:pressed { color: yellow; }</string>
      <set>Qt::AlignCenter</set>
     </property>
    </widget>
-   <zorder>line</zorder>
-   <zorder>horizontalLayoutWidget</zorder>
-   <zorder>titleLabel</zorder>
-   <zorder>lineEdit</zorder>
-   <zorder>keyboard</zorder>
   </widget>
   <widget class="KeyboardWidget" name="keyboard" native="true">
    <property name="geometry">
diff --git a/app/gui/oven_control/manualcooksettingwidget.cpp b/app/gui/oven_control/manualcooksettingwidget.cpp
index 34cf80a..2e285ab 100644
--- a/app/gui/oven_control/manualcooksettingwidget.cpp
+++ b/app/gui/oven_control/manualcooksettingwidget.cpp
@@ -39,6 +39,8 @@ void ManualCookSettingWidget::setMode(Define::Mode mode)
         ui->dryheatButton->setChecked(true);
         ui->tempSlider->setRange(30, 300);
         break;
+    default:
+        return;
     }
 }
 
diff --git a/app/gui/oven_control/oven.cpp b/app/gui/oven_control/oven.cpp
index 9999ae0..86e2cd6 100644
--- a/app/gui/oven_control/oven.cpp
+++ b/app/gui/oven_control/oven.cpp
@@ -99,6 +99,8 @@ void Oven::setDefault(Define::Mode mode)
         setHumidity_(50);
         setTemp_(100);
         break;
+    default:
+        return;
     }
 
     setTime(0);