diff --git a/app/gui/oven_control/config.h b/app/gui/oven_control/config.h
index c627468..3d89d4d 100644
--- a/app/gui/oven_control/config.h
+++ b/app/gui/oven_control/config.h
@@ -298,7 +298,7 @@ class Config : public QObject
         "%S", //end of Settings
         "%d" ,//start of Sound
         "%d번",
-        "%d번",
+        "%d",
         "%d번",
         "%d번",
         "%d번",
diff --git a/app/gui/oven_control/configwindow.cpp b/app/gui/oven_control/configwindow.cpp
index f11f959..bceec65 100644
--- a/app/gui/oven_control/configwindow.cpp
+++ b/app/gui/oven_control/configwindow.cpp
@@ -67,6 +67,7 @@ void ConfigWindow::on_backButton_clicked()
         cfg->loadConfig();
         cfg->loadFavorite();
     }
+    cfg->applyConfig();
     close();
 }