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public function behaviors()
{
    $behaviors = parent::behaviors();
    $time = [
        'class'      => \yii\behaviors\TimestampBehavior::class,
        'value'      => fn () => date('Y-m-d H:i:s'),
        'attributes' => [
            \yii\db\ActiveRecord::EVENT_BEFORE_INSERT => ['create_time', 'update_time'],
            \yii\db\ActiveRecord::EVENT_BEFORE_UPDATE => ['update_time'],
        ],
    ];
    array_push($behaviors, $time);
    return $behaviors;
}