diff --git a/PPOCRLabel/PPOCRLabel.py b/PPOCRLabel/PPOCRLabel.py
index 4ef274a17934f6dd0996942f3ac5b58b2d88ba47..37b70fcc8d21a22789b8579bec40cfb6a395f3b5 100644
--- a/PPOCRLabel/PPOCRLabel.py
+++ b/PPOCRLabel/PPOCRLabel.py
@@ -269,7 +269,8 @@ class MainWindow(QMainWindow):
         self.iconlist.setMovement(QListView.Static)
         self.iconlist.setResizeMode(QListView.Adjust)
         self.iconlist.itemClicked.connect(self.iconitemDoubleClicked)
-        self.iconlist.setStyleSheet("background-color:transparent; border: none;")
+        self.iconlist.setStyleSheet("QListWidget{ background-color:transparent; border: none;} "
+                                    "QToolTip{ background-color: gray }")
         self.iconlist.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
         self.nextButton = QToolButton()
         self.nextButton.setIcon(newIcon("next", 40))