class sql extends \PDO
    {
        public $error;
        public function __construct()
        {
            $this->error = NULL;
            $database    = conf::all( 'database.conf' , NULL );
            try
            {
                parent::__construct( $database['DSN'] , $database['MYSQLNAME'] , $database['MYSQLPASS'] , $database['OPTION'] );
                parent::query( "set names utf8" );
            }
            catch ( \PDOException $e )
            {
                die( $e->getMessage() );
            }
        }

        public function crt( $table , $paramArr )
        {
            $column = $paramArr['column'];
            $value  = $paramArr['value'];
            $bind   = $paramArr['bind'];
            $len    = count( $bind );
            try
            {
                $sql    = "insertsss into $table($column) values($value)";
                $preObj = $this->prepare( $sql );
                for ( $i = 0; $i < $len; $i++ )
                {
                    $preObj->bindParam( $i+1 , $bind[$i] );
                }
                $preObj->execute();
                $res = $this->lastInsertId();
            }
            catch ( \PDOException $e )
            {
                die( $e->getMessage() );
            }

            \common\p(”pdo怎么玩“);exit;
            return $res && $this->error == NULL ? TRUE : FALSE;
        }

故意把sql写错为什么没有报错，输出了”pdo怎么玩“？

\common\p($this->errorInfo());exit;

errorInfo()永远是

Array
(
    [0] => 00000
    [1] => 
    [2] => 
)

初始化那个方法里 如果改错配置，能够正常抛出异常，但是crt方法里不知道为什么没反应？