diff --git a/NEWS.md b/NEWS.md
index e260ce98..b97a820a 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,3 +1,6 @@
+Red Panda C++ Version 1.0.4
+  - fix: hide function tips, when move or resize the main window
+
 Red Panda C++ Version 1.0.3
   - fix: when oj problem grabbed by competitive companion received,
     the app is restored to normal state, no matter it's current state.
diff --git a/RedPandaIDE/editor.cpp b/RedPandaIDE/editor.cpp
index a8808f6f..702f15a4 100644
--- a/RedPandaIDE/editor.cpp
+++ b/RedPandaIDE/editor.cpp
@@ -1259,6 +1259,11 @@ void Editor::hideEvent(QHideEvent */*event*/)
     setHideTime(QDateTime::currentDateTime());
 }
 
+void Editor::resizeEvent(QResizeEvent *event)
+{
+    pMainWindow->functionTip()->hide();
+}
+
 void Editor::copyToClipboard()
 {
     if (pSettings->editor().copySizeLimit()) {
diff --git a/RedPandaIDE/editor.h b/RedPandaIDE/editor.h
index b8cfa93c..67c9bcbc 100644
--- a/RedPandaIDE/editor.h
+++ b/RedPandaIDE/editor.h
@@ -381,6 +381,10 @@ protected:
 protected:
     void showEvent(QShowEvent *event) override;
     void hideEvent(QHideEvent *event) override;
+
+    // QWidget interface
+protected:
+    void resizeEvent(QResizeEvent *event) Q_DECL_OVERRIDE;
 };
 
 QString getWordAtPosition(SynEdit* editor,