Fatal error: Uncaught mysqli_sql_exception: Access denied for user 'root'@'localhost' (using password: YES) in D:\wwwroot\www.liulei.com.cn\book\include\conn.php:6 Stack trace: #0 D:\wwwroot\www.liulei.com.cn\book\include\conn.php(6): mysqli->__construct('localhost', 'root', Object(SensitiveParameterValue), 'book', '3306') #1 D:\wwwroot\www.liulei.com.cn\book\include\common.php(6): require('D:\\wwwroot\\www....') #2 D:\wwwroot\www.liulei.com.cn\book\index.php(4): require('D:\\wwwroot\\www....') #3 {main} thrown in D:\wwwroot\www.liulei.com.cn\book\include\conn.php on line 6