production mode show errors like development mode

hi there

this is my backend\config\main-local.php in development mode:

<?php


$config = [

    'components' => [

        'request' => [

            // !!! insert a secret key in the following (if it is empty) - this is required by cookie validation

            'cookieValidationKey' => 'HF_B5hRfGvkbnI9vFUquDPuApfewTXBo',

        ],

    ],

];


if (!YII_ENV_TEST) {

    // configuration adjustments for 'dev' environment

    $config['bootstrap'][] = 'debug';

    $config['modules']['debug'] = [

        'class' => 'yii\debug\Module',

    ];


    $config['bootstrap'][] = 'gii';

    $config['modules']['gii'] = [

        'class' => 'yii\gii\Module',

    ];

}


return $config;

and this is the file in production mode:

n [

    'components' => [

        'request' => [

            // !!! insert a secret key in the following (if it is empty) - this is required by cookie validation

            'cookieValidationKey' => 'Q3FZVOkWMQsNiILDCpcoxSyDK2cAlcrknMNqpRt36RlicFnkAOjigPjkIsuoGBQClOnHz1oUPumeSfsU16QhX6IHNTUSOspjPk1r',

        ],

    ],

];

but in both modes, it returns the errors and shows the code on failure ( check the image)

i change the modes in CLI by runnig init

what should i do? thanks in advance