Why doesn't it display one image from wordpress categories?

Question

WordPress

There is a widget that displays categories with pictures, all pictures except the first one are displayed, I statically transferred the id to wp_get_attachment_image_src, but it still doesn't return anything.

$title = apply_filters( 'widget_title', $instance['title'] );
    $empty_category = apply_filters( 'widget_empty_category', $instance['empty_category'] );
      $args = array(
        'taxonomy' => 'product_cat',
        'hide_empty' => false,
        'orderby' => 'none',
        'parent' => 0
      );
      $terms = get_terms( $args );
      $array_terms= array();
      foreach ($terms as $i => $term) {
        if ($term->slug == 'uncategorized'){
          continue;
        }
          $term_id = $term->term_id;
          $image_url = wp_get_attachment_image_src( $term_id, 'full' )[0];
          r($term_id);
          $array_terms[$i] = ['name' => $term->name,'src' => $image_url,'child' => array()];
           $argschild = array(
               'taxonomy' => 'product_cat',
               'hide_empty' => $empty_category  == "on" ? true : false,
               'orderby' => 'none',
               'parent'  => $term_id
           );
           $termschild = get_terms( $argschild );
           foreach ($termschild as $child) {
               $term_link = get_term_link($child);
               $array_terms[$i]['child'][] = ['name' => $child->name, 'link' => $term_link];
           }
      }
      wp_reset_query();
    ?>
        <h3 class="text-center"><?php echo $title; ?></h3>
        <div class="widjets">
          <?php foreach ($array_terms as $term): ?>
            <div class="widjet">
                <div class="title"><img src="<?php echo $term['src']; ?>"><span class="cat_name"><?php echo $term['name']; ?></span></div>
                <ul class="list_subcat">
                  <?php foreach ($term['child'] as $term_child): ?>
                    <li><a href="<?php echo $term_child['link']; ?>"><?php echo $term_child['name']; ?></a></li>
                    <?php endforeach ?>
                </ul>
            </div>
          <?php endforeach; ?>
        </div>