完成了OTA功能，为游戏增加了图标

main.cpp

@@ -1,4 +1,9 @@
 #include <QApplication>
+#include <QTimer>
+#include <QDir>
+#include <QFile>
+#include <QDateTime>
+#include <QMutex>
 
 #include "ElaApplication.h"
 #include "ElaTheme.h"
@@ -6,10 +11,50 @@
 #include "CardData.h"
 #include "SettingsManager.h"
 #include "SoundManager.h"
+#include "UpdateChecker.h"
+
+static QFile* g_logFile = nullptr;
+static QMutex g_logMutex;
+
+void messageHandler(QtMsgType type, const QMessageLogContext& ctx, const QString& msg) {
+    Q_UNUSED(ctx)
+    QMutexLocker lock(&g_logMutex);
+    QString level;
+    switch (type) {
+        case QtDebugMsg:    level = "DEBUG"; break;
+        case QtInfoMsg:     level = "INFO"; break;
+        case QtWarningMsg:  level = "WARN"; break;
+        case QtCriticalMsg: level = "ERROR"; break;
+        case QtFatalMsg:    level = "FATAL"; break;
+    }
+    QString line = QStringLiteral("[%1] [%2] %3\n")
+        .arg(QDateTime::currentDateTime().toString("yyyy-MM-dd hh:mm:ss.zzz"), level, msg);
+#ifndef QT_NO_DEBUG_OUTPUT
+    fprintf(stderr, "%s", line.toLocal8Bit().constData());
+#endif
+    if (g_logFile && g_logFile->isOpen())
+        g_logFile->write(line.toUtf8());
+}
 
 int main(int argc, char* argv[])
 {
     QApplication a(argc, argv);
+    a.setApplicationVersion(APP_VERSION);
+
+    QString logDir = QCoreApplication::applicationDirPath() + "/logs";
+    QDir().mkpath(logDir);
+    QString logPath = logDir + "/" + QDateTime::currentDateTime().toString("yyyy-MM-dd_HHmmss") + ".log";
+    g_logFile = new QFile(logPath);
+    g_logFile->open(QIODevice::WriteOnly | QIODevice::Append);
+    qInstallMessageHandler(messageHandler);
+
+    QDir logClean(logDir);
+    for (const auto& f : logClean.entryList({"*.log"}, QDir::Files)) {
+        QFileInfo fi(logDir + "/" + f);
+        if (fi.lastModified().daysTo(QDateTime::currentDateTime()) > 7)
+            QFile::remove(fi.absoluteFilePath());
+    }
+
     eApp->init();
     eTheme->setThemeMode(ElaThemeType::Dark);
 
@@ -22,5 +67,11 @@ int main(int argc, char* argv[])
     MainWindow w;
     w.show();
 
+    QTimer::singleShot(2000, [&]() {
+        auto server = SettingsManager::instance().getString("network", "server_address");
+        if (!server.isEmpty())
+            UpdateChecker::instance().checkForUpdate(server, true);
+    });
+
     return QApplication::exec();
 }