diff --git a/source/main.cpp b/source/main.cpp
index 5fa87d8..72a4277 100755
--- a/source/main.cpp
+++ b/source/main.cpp
@@ -3,6 +3,9 @@
 #include <QQmlContext>
 #include <QIcon>
 #include <QTranslator>
+#include <QFont>
+#include <QFontDatabase>
+#include <iostream>
 
 #include "CPP/cppmanager.h"
 #include "CPP/mainmanager.h"
@@ -10,28 +13,47 @@
 #include "CPP/pluginmanager.h"
 #include "CPP/qmlmanager.h"
 
-bool loadTr(QGuiApplication &app){
-    QTranslator translator;
+void setFont(const QGuiApplication& app){
+
+    QString fontPath = "://ubuntu";
+    int fontId = QFontDatabase::addApplicationFont(fontPath);
+    if (fontId != -1)
+    {
+        QFont font(QFontDatabase::applicationFontFamilies(fontId).at(0));
+        app.setFont(font);
+    }
+}
+
+bool initLocale(const QString &locale, QGuiApplication& app, QTranslator &translator){
 
     QString defaultLocale = QLocale::system().name();
     defaultLocale.truncate(defaultLocale.lastIndexOf('_'));
 
+    if(!locale.isEmpty() && translator.load(QString(":/languages/%0").arg(locale))){
+        return app.installTranslator(&translator);
+    }
+
     if(!translator.load(QString(":/languages/%0").arg(defaultLocale))){
         return false;
     }
-    app.installTranslator(&translator);
-
-    return true;
 
+    return app.installTranslator(&translator);
 }
 
 int main(int argc, char *argv[])
 {
     QGuiApplication app(argc, argv);
+    setFont(app);
+
+    QTranslator translator;
+
+    QString locale = "";
 
     app.setWindowIcon(QIcon("://icon"));
 
-    loadTr(app);
+    if(!initLocale(locale, app, translator)){
+        std::cout << "error load language : " << locale.toStdString() <<std::endl;
+    }
 
     CppManager C;
     QmlManager Q;
diff --git a/source/qml.qrc b/source/qml.qrc
index 1ee7996..83f2baf 100755
--- a/source/qml.qrc
+++ b/source/qml.qrc
@@ -12,6 +12,7 @@
         <file alias="icon">res/icon.png</file>
         <file>QML/Header.qml</file>
         <file>QML/About.qml</file>
+        <file alias="ubuntu">res/ubuntu.ttf</file>
     </qresource>
     <qresource prefix="/languages">
         <file alias="en">languages/en.qm</file>
diff --git a/source/res/ubuntu.ttf b/source/res/ubuntu.ttf
new file mode 100644
index 0000000..45a038b
Binary files /dev/null and b/source/res/ubuntu.ttf differ