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

    [1] => Array
        (
            [sql] => SELECT a.cat_id, a.parent_id, a.cat_name, a.sort_order AS parent_order, a.cat_id, b.cat_id AS child_id, b.cat_name AS child_name, b.sort_order AS child_order FROM `yyhl_pt`.`ecs_article_type_cat` AS a LEFT JOIN `yyhl_pt`.`ecs_article_type_cat` AS b ON b.parent_id = a.cat_id WHERE a.parent_id = '0' AND a.cat_type=1 ORDER BY parent_order ASC, a.cat_id ASC, child_order ASC
        )

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

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

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

    [1] => Array
        (
            [sql] => SELECT a.cat_id, a.parent_id, a.cat_name, a.sort_order AS parent_order, a.cat_id, b.cat_id AS child_id, b.cat_name AS child_name, b.sort_order AS child_order FROM `yyhl_pt`.`ecs_article_type_cat` AS a LEFT JOIN `yyhl_pt`.`ecs_article_type_cat` AS b ON b.parent_id = a.cat_id WHERE a.parent_id = '0' AND a.cat_type=1 ORDER BY parent_order ASC, a.cat_id ASC, child_order ASC
        )

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

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

    [4] => Array
        (
            [message] => MySQL Query Error
        )

    [5] => Array
        (
            [sql] => UPDATE `yyhl_pt`.`ecs_sessions` SET expiry = '1727463571', ip = '3.139.239.41', userid = '0', adminid = '0', user_name='0', user_rank='0', discount='1', email='0', data = 'a:3:{s:7:\"from_ad\";i:0;s:7:\"referer\";s:6:\"本站\";s:10:\"login_fail\";i:0;}' WHERE sesskey = 'f091decf3079336c8f5e751e49407769' LIMIT 1
        )

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

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

)