diff --git a/LedOK/mainwindow.cpp b/LedOK/mainwindow.cpp
index c1640b4..62519df 100644
--- a/LedOK/mainwindow.cpp
+++ b/LedOK/mainwindow.cpp
@@ -228,6 +228,7 @@ MainWindow::MainWindow(QWidget *parent) : BaseWin(parent) {
         auto url = updates["url"].toString();
         auto idx = url.lastIndexOf('.');
         if(idx!=-1) filePath += url.midRef(idx);
+        qDebug()<<"filePath"<<filePath;
         QFile qFile(filePath);
         if(! qFile.open(QFile::WriteOnly)) {
             QMessageBox::critical(this, tr("Fail"), tr("Cannot Save File")+": "+qFile.errorString()+"\n"+filePath);
@@ -258,7 +259,7 @@ MainWindow::MainWindow(QWidget *parent) : BaseWin(parent) {
         qFile.close();
         if(res != QDialog::Accepted) return;
         QApplication::quit();
-        QDesktopServices::openUrl(filePath);
+        QDesktopServices::openUrl("file://"+filePath);
     });
     menu_setting->addAction(act_update);
 
@@ -278,7 +279,8 @@ MainWindow::MainWindow(QWidget *parent) : BaseWin(parent) {
         }
 #ifdef Q_OS_WIN
         updates = json["win"].toObject();
-#elif Q_OS_MAC
+#endif
+#ifdef Q_OS_MAC
         updates = json["mac"].toObject();
 #endif
         if(verCompare(updates["ver"].toString(), APP_VERSION) > 0) {