IndexError: list index out of range

[kitech]

[2016-06-09 08:19:04] T(1404) wxagent.py:892 dumpReply -D- <PyQt5.QtNetwork.QNetworkReply object at 0x7fbecb282c18>
[2016-06-09 08:19:04] T(1404) wxagent.py:894 dumpReply -D- PyQt5.QtCore.QUrl('https://webpush2.weixin.qq.com/cgi-bin/mmwebwx-bin/synccheck?r=1465431423&skey=%40crypt_3ea2fe08_51f0c857c063c612e76a79cc743d8dee&sid=OPwP3FKWUet4bvU7&uin=979270107&deviceid=e669767113868187&synckey=1_650802699%7C2_650803318%7C3_650802971%7C11_650803248%7C13_650800009%7C201_1465402035%7C203_1465368374%7C1000_1465382077%7C1001_1465382372%7C1002_1465372771%7C1004_1465364454%7C1005_1464769994&lang=en_US&pass_ticket=D%252BuAIbdK2cxtsEmx8MSyQcGoi1ssklaq5jOZ4VvPfDk6loPMPfXbrQHBRA%252BmuhA0')
[2016-06-09 08:19:04] T(1404) wxagent.py:896 dumpReply -D- None
[2016-06-09 08:19:04] T(1404) wxagent.py:898 dumpReply -D- None
[2016-06-09 08:19:04] T(1404) wxagent.py:135 onReply -D- content-length:0,None,4
[2016-06-09 08:19:04] T(1404) wxagent.py:301 onReply -D- sync check result:b''
[2016-06-09 08:19:04] T(1404) txagent.py:94 finishReconnect -D- reconn state: retry:1, time=0
[2016-06-09 08:19:04] T(1404) wxagent.py:327 onReply -D- []---
[2016-06-09 08:19:04] T(1404) qtinternal:0 None -F- Traceback (most recent call last):
File "/home/gzleo/wxagent/wxagent/wxagent.py", line 328, in onReply
retcode = mats[0][0]
IndexError: list index out of range
Aborted