<b>MySQL server error report:Array
(
    [0] => Array
        (
            [message] => MySQL Query Error
        )

    [1] => Array
        (
            [sql] => SELECT c.cat_id, c.cat_name, cr.recommend_type FROM `yyhl_pt`.`ecs_cat_recommend` AS cr INNER JOIN `yyhl_pt`.`ecs_category` AS c ON cr.cat_id=c.cat_id
        )

    [2] => Array
        (
            [error] => MySQL server has gone away
        )

    [3] => Array
        (
            [errno] => 2006
        )

)