diff --git a/NEWS.md b/NEWS.md
index a43845e6..50d9aaf2 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -9,6 +9,8 @@ Red Panda C++ Version 3.2
   - fix: Crash in windows 7. (by CyanoHao)
   - fix: While Control is pressed, can't start Drag&Drop by mouse.
   - enhancement: Auto detect gdb ACP (by CyanoHao)
+  - fix:  When debugging project, the executing source file is not auto switched to. （#476）
+  
 
 Red Panda C++ Version 3.1
 
diff --git a/RedPandaIDE/editor.cpp b/RedPandaIDE/editor.cpp
index 5f5c5e41..b3eec1c5 100644
--- a/RedPandaIDE/editor.cpp
+++ b/RedPandaIDE/editor.cpp
@@ -608,11 +608,12 @@ void Editor::setFilename(const QString &newName)
     return;
 }
 
-void Editor::activate()
+void Editor::activate(bool focus)
 {
     if (mParentPageControl)
         mParentPageControl->setCurrentWidget(this);
-    setFocus();
+    if (focus)
+        setFocus();
 }
 
 const QByteArray& Editor::encodingOption() const noexcept{
diff --git a/RedPandaIDE/editor.h b/RedPandaIDE/editor.h
index 4ac05111..ff12070e 100644
--- a/RedPandaIDE/editor.h
+++ b/RedPandaIDE/editor.h
@@ -150,7 +150,7 @@ public:
     bool save(bool force=false, bool reparse=true);
     bool saveAs(const QString& name="", bool fromProject = false);
     void setFilename(const QString& newName);
-    void activate();
+    void activate(bool focus=true);
 
     QTabWidget* pageControl() noexcept;
     void setPageControl(QTabWidget* newPageControl);
diff --git a/RedPandaIDE/mainwindow.cpp b/RedPandaIDE/mainwindow.cpp
index b2bda0a0..eee23fae 100644
--- a/RedPandaIDE/mainwindow.cpp
+++ b/RedPandaIDE/mainwindow.cpp
@@ -1163,6 +1163,7 @@ void MainWindow::setActiveBreakpoint(QString fileName, int Line, bool setFocus)
     Editor *e = openFile(fileName, false);
     if (e!=nullptr) {
         e->setActiveBreakpointFocus(Line,setFocus);
+        e->activate(false);
         if (setFocus) {
             activateWindow();
         }