diff --git a/usr/share/aiassistant/mainwin.py b/usr/share/aiassistant/mainwin.py
index d761d90673b072a8b46b5a2a6aa81278aa283904..32ff0d59a59b02b3d88ec5f43eac6aada1191c4f 100644
--- a/usr/share/aiassistant/mainwin.py
+++ b/usr/share/aiassistant/mainwin.py
@@ -104,7 +104,7 @@ class ShadowWindow(QWidget):
             '''
         )
         self.exchange_btn.setIcon(QIcon('./data/icon_side_exchange.png'))
-        self.exchange_btn.setIconSize(QSize(24, 24));
+        self.exchange_btn.setIconSize(QSize(24, 24))
         self.exchange_btn.clicked.connect(self.navigate_to_exchange)
 
         self.title.title_layout.addWidget(self.exchange_btn)
@@ -112,7 +112,7 @@ class ShadowWindow(QWidget):
         # setting_ button
         self.setting_btn = QPushButton(self.title)
         self.setting_btn.setIcon(QIcon('./data/side_more.png'))
-        self.setting_btn.setIconSize(QSize(24, 24));
+        self.setting_btn.setIconSize(QSize(24, 24))
         self.setting_btn.setFixedSize(24, 24)
         self.title.title_layout.addWidget(self.setting_btn)
         self.setting_btn.setStyleSheet(