diff --git a/src/dialogs/AsyncActionDialog.cpp b/src/dialogs/AsyncActionDialog.cpp
index 286f59d..cf46994 100644
--- a/src/dialogs/AsyncActionDialog.cpp
+++ b/src/dialogs/AsyncActionDialog.cpp
@@ -18,6 +18,7 @@ AsyncActionDialog::AsyncActionDialog(AsyncAction* aAsyncAction,const QString& aT
 
     initializeTitle(aTitle);
     initializeProgressBar();
+    //注意本处的connect连接的槽函数是一个虚函数，会在子类中被override
     connect(mAction,&AsyncAction::actionCompleted,this,&AsyncActionDialog::handleFinishedAction);
 
     mLayout->setSpacing(10);