A PHP Error was encountered

Severity: Notice

Message: Undefined index: userdata

Filename: views/top.php

Line Number: 218

Backtrace:

File: /data/web/vip.peixunsj.cn/application/views/top.php
Line: 218
Function: _error_handler

File: /data/web/vip.peixunsj.cn/application/controllers/Alex.php
Line: 24
Function: view

File: /data/web/vip.peixunsj.cn/index.php
Line: 292
Function: require_once