diff --git a/MainWidget.cpp b/MainWidget.cpp
index c22946e..dc05143 100644
--- a/MainWidget.cpp
+++ b/MainWidget.cpp
@@ -28,7 +28,7 @@ void MainWidget::connect_operator()
 
 void MainWidget::control_init()
 {
-    ui->plainTextEdit->setEnabled(false);
+    ui->plainTextEdit->setReadOnly(true);
     ui->edQtDir->setText(QDir::homePath() + "/Qt5.14.2/5.14.2/gcc_64");
     ui->edOutDir->setText(QDir::homePath() + "/program");
 #if !defined(NDEBUG)