diff --git a/RedPandaIDE/mainwindow.cpp b/RedPandaIDE/mainwindow.cpp
index 19681389..8ab21ebb 100644
--- a/RedPandaIDE/mainwindow.cpp
+++ b/RedPandaIDE/mainwindow.cpp
@@ -1346,7 +1346,6 @@ void MainWindow::checkSyntaxInBack(Editor *e)
         mCompilerManager->checkSyntax(e->filename(),e->text(),
                                           e->fileEncoding() == ENCODING_ASCII, mProject);
     } else {
-        qDebug()<<"compile file";
         mCompilerManager->checkSyntax(e->filename(),e->text(),
                                           e->fileEncoding() == ENCODING_ASCII, nullptr);
     }
diff --git a/RedPandaIDE/widgets/aboutdialog.cpp b/RedPandaIDE/widgets/aboutdialog.cpp
index 19c9cc5a..4abc2a26 100644
--- a/RedPandaIDE/widgets/aboutdialog.cpp
+++ b/RedPandaIDE/widgets/aboutdialog.cpp
@@ -17,6 +17,8 @@
 #include "aboutdialog.h"
 #include "ui_aboutdialog.h"
 #include "../systemconsts.h"
+#include "../utils.h"
+#include <QDebug>
 
 AboutDialog::AboutDialog(QWidget *parent) :
     QDialog(parent),
diff --git a/RedPandaIDE/widgets/aboutdialog.ui b/RedPandaIDE/widgets/aboutdialog.ui
index 08ab215a..4ad7c1d8 100644
--- a/RedPandaIDE/widgets/aboutdialog.ui
+++ b/RedPandaIDE/widgets/aboutdialog.ui
@@ -76,34 +76,6 @@
      </property>
     </widget>
    </item>
-   <item>
-    <widget class="QLabel" name="label_3">
-     <property name="font">
-      <font>
-       <weight>50</weight>
-       <bold>false</bold>
-      </font>
-     </property>
-     <property name="text">
-      <string>Red Panda Dev-C++ (&lt;=6.7.5):</string>
-     </property>
-    </widget>
-   </item>
-   <item>
-    <widget class="QLabel" name="label_4">
-     <property name="font">
-      <font>
-       <weight>50</weight>
-       <bold>false</bold>
-      </font>
-     </property>
-     <property name="text">
-      <string>Copyright (c) 2004 Bloodshed Software
-Copyright (c) 2011-2015 orwell devcpp
-Copyright (c) 2020-2021 royqh1979@gmail.com</string>
-     </property>
-    </widget>
-   </item>
    <item>
     <widget class="QGroupBox" name="groupBox">
      <property name="sizePolicy">