feat(client): improve SDK packaging and registry config

MainApp/main.cpp

@@ -1,11 +1,10 @@
-#include <Windows.h>
-#include <QApplication>
+#include <QApplication>
 #include <QDebug>
-#include <QTextCodec>
 #include <QMessageBox>
 #include <QDir>
 #include <QFileInfo>
 #include <QSaveFile>
+#include <QTranslator>
 #include "MainWindow.h"
 #include "../Common/ConfigHelper.h"
 #include "../Common/PolicyHelper.h"
@@ -16,10 +15,14 @@
 
 int main(int argc, char* argv[])
 {
-    SetConsoleOutputCP(936);
-    QTextCodec::setCodecForLocale(QTextCodec::codecForName("GBK"));
-    
     QApplication a(argc, argv);
+    QTranslator translator;
+    if (translator.load(":/i18n/update-client_zh_CN.qm"))
+        a.installTranslator(&translator);
+
+    const int elevatedWriteExitCode = ConfigHelper::runElevatedWriteCommandIfRequested();
+    if (elevatedWriteExitCode >= 0)
+        return elevatedWriteExitCode;
 
     qDebug() << Qt::endl << "entered main app" << Qt::endl;