diff --git a/app/gui/oven_control/config.cpp b/app/gui/oven_control/config.cpp
index 49fa55c..6751707 100644
--- a/app/gui/oven_control/config.cpp
+++ b/app/gui/oven_control/config.cpp
@@ -22,6 +22,7 @@
 #include "backlight.h"
 #include "udphandler.h"
 #include "system.h"
+#include "unistd.h"
 
 using namespace Define;
 using namespace System;
@@ -131,6 +132,7 @@ bool Config::saveConfig(void){
     if(file.open(QIODevice::WriteOnly)){
         writelen = file.write(buff,sizeof(config_lists)+1);
         file.close();
+        sync();
         if(writelen == (sizeof(config_lists)+1)){
             qDebug() << "config file saved";
             return true;
@@ -339,6 +341,7 @@ bool Config::saveFavorite(void){
             qDebug() << "save favorite index" << itemp;
         }
         file.close();
+        sync();
         qDebug()<<"saving Favorite menu success";
         return true;
     }