刚装系统的时候好象能打开，现在打不开了，在终端下执行deepin-software-center,显示为：data init
Traceback (most recent call last):
  File "/usr/bin/deepin-software-center", line 23, in
    from software_center import DeepinSoftwareCenter
  File "/usr/share/deepin-software-center/ui/software_center.py", line 74, in
    from preference import preference_dialog, WaitingDialog
  File "/usr/share/deepin-software-center/ui/preference.py", line 580, in
    preference_dialog = DscPreferenceDialog()
  File "/usr/share/deepin-software-center/ui/preference.py", line 281, in __init__
    self.mirror_settings.pack_start(self.create_mirror_select_table(), False, True)
  File "/usr/share/deepin-software-center/ui/preference.py", line 325, in create_mirror_select_table
    self.current_mirror_uri = self.get_current_mirror_uri()
  File "/usr/share/deepin-software-center/ui/preference.py", line 423, in get_current_mirror_uri
    source_list_obj.read_main_list()
SystemError: E:安装源配置文件“/etc/apt/sources.list”第 15 行有错误(发行版解析)





该怎么办，请大家帮忙 看下，怎么解决啊？？？？？？？