Fatal error: Uncaught Error: Call to undefined function Think\C() in /mnt/www/x.duoguan.com/ThinkPHP/Library/Think/Think.class.php:163 Stack trace: #0 [internal function]: Think\Think::autoload('Common\\Util\\Uti...') #1 /mnt/www/x.duoguan.com/ThinkPHP/Library/Think/Think.class.php(290): spl_autoload_call('Common\\Util\\Uti...') #2 /mnt/www/x.duoguan.com/ThinkPHP/Library/Think/Think.class.php(277): Think\Think::halt(Array) #3 [internal function]: Think\Think::fatalError() #4 {main} thrown in /mnt/www/x.duoguan.com/ThinkPHP/Library/Think/Think.class.php on line 163