Connection failed: SQLSTATE[28000] [1045] Access denied for user 'root'@'localhost' (using password: YES)<br />
<b>Fatal error</b>:  Uncaught Error: Call to a member function prepare() on null in /home/www/class/DB.php:109
Stack trace:
#0 /home/www/class/DB.php(194): DB-&gt;query('SELECT * FROM `...', Array, 1)
#1 /home/www/class/Model.php(185): DB-&gt;select(Array)
#2 /home/www/class/Model.php(41): Model-&gt;select('')
#3 /home/www/class/Model.php(29): Model-&gt;getList(22, '', 1, '')
#4 /home/www/app/haotuan/deal.php(32): Model-&gt;getOne(22)
#5 /home/www/app/haotuan/index.php(14): include('/home/www/app/h...')
#6 {main}
  thrown in <b>/home/www/class/DB.php</b> on line <b>109</b><br />