diff --git a/src/gui/ALBulletinDialog.py b/src/gui/ALBulletinDialog.py
index 9bdcf02..b5350e3 100644
--- a/src/gui/ALBulletinDialog.py
+++ b/src/gui/ALBulletinDialog.py
@@ -332,7 +332,7 @@ class ALBulletinDialog(QDialog, Ui_ALBulletinDialog):
         self.ALSyncStatusLabel.status = ALStatusLabel.Status.SUCCESS
         self.SyncStatusDetailLabel.setText("同步成功")
         self.SyncStatusDetailLabel.setStyleSheet("color: green;")
-        QTimer.singleShot(3000, self.clearSyncStatus)
+        QTimer.singleShot(3000, self, self.clearSyncStatus)
 
         self.setLastSyncTime(self.__bulletin_mgr.lastSyncTime())
         self.updateBulletinList(merged)
diff --git a/src/gui/ALSettingsWidget.py b/src/gui/ALSettingsWidget.py
index aef6584..36eeaa3 100644
--- a/src/gui/ALSettingsWidget.py
+++ b/src/gui/ALSettingsWidget.py
@@ -497,7 +497,7 @@ class ALSettingsWidget(CenterOnParentMixin, QWidget, Ui_ALSettingsWidget):
         )
         self.BulletinTestStatusLabel.setStyleSheet("color: green;")
         self.BulletinTestButton.setEnabled(True)
-        QTimer.singleShot(3000, self.clearBulletinTestStatus)
+        QTimer.singleShot(3000, self, self.clearBulletinTestStatus)
 
     @Slot(str)
     def __onBulletinTestError(
diff --git a/src/gui/ALStatusLabel.py b/src/gui/ALStatusLabel.py
index 5a08e59..c1668a5 100644
--- a/src/gui/ALStatusLabel.py
+++ b/src/gui/ALStatusLabel.py
@@ -127,7 +127,6 @@ class ALStatusLabel(QLabel):
             case self.Status.WAITING:
                 Pen = Painter.pen()
                 Pen.setWidth(2)
-                Pen.setBrush(Qt.BrushStyle.NoBrush)
                 Pen.setCapStyle(Qt.PenCapStyle.RoundCap)
                 Pen.setColor(QColor("#969696")) # grey
                 Painter.setPen(Pen)
@@ -156,7 +155,6 @@ class ALStatusLabel(QLabel):
                 # draw the success green circle
                 Pen = Painter.pen()
                 Pen.setWidth(2)
-                Pen.setBrush(Qt.BrushStyle.NoBrush)
                 Pen.setCapStyle(Qt.PenCapStyle.RoundCap)
                 Pen.setColor(QColor("#4CAF50" if self.isDarkMode() else "#00AF50")) # green
                 Painter.setPen(Pen)
@@ -193,7 +191,6 @@ class ALStatusLabel(QLabel):
                 # draw the warning orange circle
                 Pen = Painter.pen()
                 Pen.setWidth(2)
-                Pen.setBrush(Qt.BrushStyle.NoBrush)
                 Pen.setCapStyle(Qt.PenCapStyle.RoundCap)
                 Pen.setColor(QColor("#FF9800")) # orange
                 Painter.setPen(Pen)
@@ -223,7 +220,6 @@ class ALStatusLabel(QLabel):
                 # draw the failure red circle
                 Pen = Painter.pen()
                 Pen.setWidth(2)
-                Pen.setBrush(Qt.BrushStyle.NoBrush)
                 Pen.setCapStyle(Qt.PenCapStyle.RoundCap)
                 Pen.setColor(QColor("#DC0000")) # red
                 Painter.setPen(Pen)