diff --git a/PPOCRLabel/PPOCRLabel.py b/PPOCRLabel/PPOCRLabel.py
index 9e67f0cc54818aa5f6e6e7163277c05422f0754f..827f1cf76846d0e232e980bc21f45ae0cd1a640b 100644
--- a/PPOCRLabel/PPOCRLabel.py
+++ b/PPOCRLabel/PPOCRLabel.py
@@ -231,7 +231,7 @@ class MainWindow(QMainWindow):
 
         # Create and add a widget for showing current label item index
         self.indexList = QListWidget()
-        self.indexList.setMaximumSize(40, 16777215) # limit max width
+        self.indexList.setMaximumSize(30, 16777215) # limit max width
         self.indexList.setEditTriggers(QAbstractItemView.NoEditTriggers) # no editable
         self.indexList.itemSelectionChanged.connect(self.indexSelectionChanged)
         self.indexList.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOff) # no scroll Bar
diff --git a/PPOCRLabel/libs/canvas.py b/PPOCRLabel/libs/canvas.py
index 81f37995126140b03650f5ddea37ea282d5ceb09..ae9511612a2ba83001c12ae8ed82498952207f98 100644
--- a/PPOCRLabel/libs/canvas.py
+++ b/PPOCRLabel/libs/canvas.py
@@ -627,7 +627,7 @@ class Canvas(QWidget):
         # adaptive BBOX label & index font size
         if self.pixmap:
             h, w = self.pixmap.size().height(), self.pixmap.size().width()
-            fontszie = int(max(h, w) / 48)
+            fontszie = int(max(h, w) / 96)
             for s in self.shapes:
                 s.fontsize = fontszie
         
diff --git a/PPOCRLabel/libs/shape.py b/PPOCRLabel/libs/shape.py
index 121e43b8aee62dd3e5e0b2e2fbdebf10e775f57b..3eda5bdfa13b8c5369dec69bf803145e0fc3ce13 100644
--- a/PPOCRLabel/libs/shape.py
+++ b/PPOCRLabel/libs/shape.py
@@ -126,7 +126,7 @@ class Shape(object):
             color = self.select_line_color if self.selected else self.line_color
             pen = QPen(color)
             # Try using integer sizes for smoother drawing(?)
-            pen.setWidth(max(1, int(round(2.0 / self.scale))))
+            # pen.setWidth(max(1, int(round(2.0 / self.scale))))
             painter.setPen(pen)
 
             line_path = QPainterPath()