diff --git a/app/gui/oven_control/define.h b/app/gui/oven_control/define.h
index c2f2c01..66b5486 100644
--- a/app/gui/oven_control/define.h
+++ b/app/gui/oven_control/define.h
@@ -5,7 +5,7 @@
 
 #define MAJOR_VER   1
 #define MINOR_VER   6
-#define HOTFIX_VER  10
+#define HOTFIX_VER  11
 
 // 0 for normal
 // 1 for premium
diff --git a/app/gui/oven_control/mainwindow.ui b/app/gui/oven_control/mainwindow.ui
index d75b7d4..ed35ad2 100644
--- a/app/gui/oven_control/mainwindow.ui
+++ b/app/gui/oven_control/mainwindow.ui
@@ -36,7 +36,7 @@ border-top: 200px;
 border-bottom: -50px;
 border-style: hidden;
 color: white;
-font-size: 28px;
+font-size: 40px;
 }
 
 QPushButton[style="type"] {
@@ -49,7 +49,7 @@ margin-top: 42px;
 padding-top: 82px;
 border-style: hidden;
 color: white;
-font-size: 38px;
+font-size: 36px;
 }
 
 QPushButton[style="function"] {
@@ -61,7 +61,7 @@ background-origin: border;
 padding-top: 206px;
 border-style: hidden;
 color: white;
-font-size: 28px;
+font-size: 30px;
 }</string>
   </property>
   <widget class="QWidget" name="centralwidget">
diff --git a/app/gui/oven_control/manualcooksettingwidget.ui b/app/gui/oven_control/manualcooksettingwidget.ui
index dbda4a8..f703873 100644
--- a/app/gui/oven_control/manualcooksettingwidget.ui
+++ b/app/gui/oven_control/manualcooksettingwidget.ui
@@ -34,7 +34,7 @@ border-top: 200px;
 border-bottom: -50px;
 border-style: hidden;
 color: #7B7B7B;
-font-size: 28px;
+font-size: 40px;
 }
 
 QPushButton[style=&quot;mode&quot;]:checked {
diff --git a/app/gui/oven_control/manualcookwindow.ui b/app/gui/oven_control/manualcookwindow.ui
index 8b13f10..6a8b15e 100644
--- a/app/gui/oven_control/manualcookwindow.ui
+++ b/app/gui/oven_control/manualcookwindow.ui
@@ -25,7 +25,7 @@ border-top: 200px;
 border-bottom: -50px;
 border-style: hidden;
 color: #7B7B7B;
-font-size: 28px;
+font-size: 40px;
 }
 
 QPushButton[style=&quot;mode&quot;]:checked {
diff --git a/app/gui/oven_control/multicookselectionwindow.ui b/app/gui/oven_control/multicookselectionwindow.ui
index 32c0c7c..c68a3b6 100644
--- a/app/gui/oven_control/multicookselectionwindow.ui
+++ b/app/gui/oven_control/multicookselectionwindow.ui
@@ -27,7 +27,7 @@ border-top: 200px;
 border-bottom: -50px;
 border-style: hidden;
 color: white;
-font-size: 28px;
+font-size: 40px;
 }
 
 QPushButton[style=&quot;type&quot;] {
@@ -40,7 +40,7 @@ margin-top: 42px;
 padding-top: 82px;
 border-style: hidden;
 color: white;
-font-size: 38px;
+font-size: 36px;
 }
 
 QPushButton[style=&quot;function&quot;] {
@@ -52,7 +52,7 @@ background-origin: border;
 border-top: 206px;
 border-style: hidden;
 color: white;
-font-size: 28px;
+font-size: 30px;
 }
 
 QPushButton:disabled { color: #7B7B7B; }</string>
diff --git a/app/gui/oven_control/programmingselectionwindow.ui b/app/gui/oven_control/programmingselectionwindow.ui
index b296d4a..a9a7e0b 100644
--- a/app/gui/oven_control/programmingselectionwindow.ui
+++ b/app/gui/oven_control/programmingselectionwindow.ui
@@ -27,7 +27,7 @@ border-top: 200px;
 border-bottom: -50px;
 border-style: hidden;
 color: white;
-font-size: 28px;
+font-size: 40px;
 }
 
 QPushButton[style=&quot;type&quot;] {
@@ -40,7 +40,7 @@ margin-top: 42px;
 padding-top: 82px;
 border-style: hidden;
 color: white;
-font-size: 38px;
+font-size: 36px;
 }
 
 QPushButton[style=&quot;function&quot;] {
@@ -52,7 +52,7 @@ background-origin: border;
 border-top: 206px;
 border-style: hidden;
 color: white;
-font-size: 28px;
+font-size: 30px;
 }
 
 QPushButton:disabled { color: #7B7B7B; }</string>