Severity: Notice
Message: Undefined offset: 0
Filename: models/Book_model.php
Line Number: 18
Backtrace:
File: /www/wwwroot/pnso.cn/wwwroot/cn/application/models/Book_model.php
Line: 18
Function: _error_handler
File: /www/wwwroot/pnso.cn/wwwroot/cn/application/controllers/Books.php
Line: 18
Function: book_data
File: /www/wwwroot/pnso.cn/wwwroot/cn/index.php
Line: 294
Function: require_once
