Image not export to excel

[GAMITG]

When I go to export image column from grid view but image column not exported and it shows blank cell in excel sheet. image column has live server image url like https://www.exaple.com/uploads/image.png and as well as amazon image url.

     <?php
                $dynagrid = DynaGrid::begin([
                    'columns' => [
                        ['class' => 'yii\grid\SerialColumn'],
                        [
                            'attribute' => 'p_image',
                            'value' => function($model) {
                                return $model->p_image;
                            },
                            'format' => ['image',['width'=>'45','class'=>'img-circle']],
                            'filter' => false,
                        ],
                        'p_title',
                    ],
                    'theme' => 'panel-info',
                    'showPersonalize'=>true,
                    'allowThemeSetting' => false,
                    'allowFilterSetting' => false,
                    'allowSortSetting' => false,
                    'submitButtonOptions' => ['class' => 'btn btn-success'],
                    'gridOptions' => $setting,  <------ grid setting array
                    'options' => ['id' => 'dynagrid-product-data'] // a unique identifier is important
                ]);
                DynaGrid::end();
            ?>

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