去除无用的配置项

backend/SystemUpdater/Core/UpdateList.py

@@ -70,8 +70,6 @@ class UpdateList():
     def _empty_output_dir(self):
         try:
             #清空 升级列表
-            self.parent.configs.setValue("AutoUpgrade","upgradelist",'',True)
-
             if not os.path.exists(self.OUTPUT_CONFIG_PATH):
                 os.makedirs(self.OUTPUT_CONFIG_PATH)
                 logging.info('making the ConfigPath(%s) is complete...',self.OUTPUT_CONFIG_PATH)

backend/SystemUpdater/UpdateManager.py

@@ -1,6 +1,5 @@
 # UpdateManager.py
 # -*- Mode: Python; indent-tabs-mode: nil; tab-width: 4; coding: utf-8 -*-
-from email.header import Header
 import os
 import subprocess
 from apt import Cache