update:加入检测更新信号

src/appdelegate.h

@@ -31,6 +31,7 @@ public:
 
 signals:
     void updateDisplay(const QString &packageName);
+    void updateFinished(bool success); //传递是否完成更新
 
 private slots:
     void updateSpinner(); // 新增槽函数

src/mainwindow.cpp

@@ -264,7 +264,7 @@ void MainWindow::runAptssUpgrade()
 void MainWindow::closeEvent(QCloseEvent *event)
 {
 
-        QMessageBox::StandardButton reply = QMessageBox::question(this, "确认关闭", "正在更新，是否确认关闭窗口？", QMessageBox::Yes | QMessageBox::No);
+    QMessageBox::StandardButton reply = QMessageBox::question(this, "确认关闭", "正在更新，是否确认关闭窗口？", QMessageBox::Yes | QMessageBox::No);
 }
 MainWindow::~MainWindow()
 {