无法加载控制器:Index.php

FILE: /home/bae/app/ThinkPHP/Library/Think/App.class.php 　LINE: 92

#0 /home/bae/app/ThinkPHP/Library/Think/App.class.php(92): E('???????????????...')
#1 /home/bae/app/ThinkPHP/Library/Think/App.class.php(193): Think\App::exec()
#2 /home/bae/app/ThinkPHP/Library/Think/Think.class.php(120): Think\App::run()
#3 /home/bae/app/ThinkPHP/ThinkPHP.php(97): Think\Think::start()
#4 /home/bae/app/index.php(28): require('/home/bae/app/T...')
#5 {main}