Warning: require(./ThinkPHP/ThinkPHP.php): Failed to open stream: No such file or directory in /www/wwwroot/www.mhyc521.com/index.php on line 4

Fatal error: Uncaught Error: Failed opening required './ThinkPHP/ThinkPHP.php' (include_path='.:') in /www/wwwroot/www.mhyc521.com/index.php:4 Stack trace: #0 {main} thrown in /www/wwwroot/www.mhyc521.com/index.php on line 4