diff --git a/mainwindow.cpp b/mainwindow.cpp
index 7791fcb..2e1943b 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -97,7 +97,7 @@ void MainWindow::customEvent(QEvent *event) {
                         m_progressValue = progress;
                         ui->updateProgress->setValue(progress/10);
                         QApplication::postEvent(this, new ProgressEvent(this, progress+10));
-                        QThread::msleep(100);
+                        QThread::msleep(150);
                     }
                 }
             }
@@ -147,9 +147,12 @@ void MainWindow::onQuit() {
 
 void MainWindow::onAppendText(QString text, QString suffix) {
     QString editText = ui->updateStatus->toPlainText();
-    if (suffix.size() > 0) {
-        editText += QString("\n").leftJustified(m_width-3, '=');
-        editText += " ";
+    if (!suffix.isNull() && suffix.size() > 0) {
+        qInfo() << "TEXT" << text << "SUFFIX" << suffix;
+        if (suffix == Worker::UPDATE_STEP_SUCCESS || suffix == Worker::UPDATE_STEP_FAIL) {
+            editText += QString("\n").leftJustified(m_width-3, '=');
+            editText += " ";
+        }
         editText += (QString("\n") + text).leftJustified(m_width - (2 + suffix.size()) ) + suffix;
     } else {
         editText += text.leftJustified(m_width-9);