refactor(operators): 为 _showTrace 方法添加合适的 TraceLevel 参数

src/gui/ALConfigWidget.py

@@ -8,7 +8,6 @@ You may use, modify, and distribute this file under the terms of the MIT License
 See the LICENSE file for details.
 """
 import os
-import sys
 
 from PySide6.QtCore import (
     Qt, Signal, Slot, QTime, QDate, QDir, QFileInfo

src/gui/ALMainWindow.py

@@ -113,7 +113,7 @@ class ALMainWindow(MsgBase, QMainWindow, Ui_ALMainWindow):
     ):
 
         if not QSystemTrayIcon.isSystemTrayAvailable():
-            self._showTrace("操作系统不支持系统托盘功能, 无法创建系统托盘图标")
+            self._showTrace("操作系统不支持系统托盘功能, 无法创建系统托盘图标", self.TraceLevel.WARNING)
             return
         self.TrayIcon = QSystemTrayIcon(self.icon, self)
         self.TrayIcon.setToolTip("AutoLibrary")