fix : product 判空

app/code/Joshine/Sales/Plugin/DefaultRendererPlugin.php

-<?php
-namespace Joshine\Sales\Plugin;
-
-use \Magento\Catalog\Helper\Image as ImageHelper;
-
-class DefaultRendererPlugin {
-
-    /**
-     * @var \Magento\Catalog\Helper\Image $imageHelper
-     */
-    protected $imageHelper;
-
-    /**
-     * @param ImageHelper      $imageHelper
-     */
-    public function __construct
-    (
-        ImageHelper $imageHelper
-    )
-    {
-        $this->imageHelper      = $imageHelper;
-    }
-
-    public function aroundGetColumnHtml(\Magento\Sales\Block\Adminhtml\Order\View\Items\Renderer\DefaultRenderer $defaultRenderer, \Closure $proceed,\Magento\Framework\DataObject $item, $column, $field=null) {
-
-        if($column === 'image') {
-            $img = $this->imageHelper->init($item->getProduct(), 'cart_page_product_thumbnail')->setImageFile($item->getProduct()->getImage())->resize(100)->getUrl();
-            $result = '<img src="'.$img.'" alt="'.$item->getName().'" />';
-        }
-        else {
-            if($field) {
-                $result = $proceed($item,$column,$field);
-            }
-            else {
-                $result = $proceed($item,$column);
-            }
-        }
-
-        return $result;
-    }
+<?php
+namespace Joshine\Sales\Plugin;
+
+use \Magento\Catalog\Helper\Image as ImageHelper;
+
+class DefaultRendererPlugin {
+
+    /**
+     * @var \Magento\Catalog\Helper\Image $imageHelper
+     */
+    protected $imageHelper;
+
+    /**
+     * @param ImageHelper      $imageHelper
+     */
+    public function __construct
+    (
+        ImageHelper $imageHelper
+    )
+    {
+        $this->imageHelper      = $imageHelper;
+    }
+
+    public function aroundGetColumnHtml(\Magento\Sales\Block\Adminhtml\Order\View\Items\Renderer\DefaultRenderer $defaultRenderer, \Closure $proceed,\Magento\Framework\DataObject $item, $column, $field=null) {
+        $result = '';
+        if($column === 'image') {
+            if ($item->getProduct()) {
+                $img = $this->imageHelper->init($item->getProduct(), 'cart_page_product_thumbnail')->setImageFile($item->getProduct()->getImage())->resize(100)->getUrl();
+                $result = '<img src="'.$img.'" alt="'.$item->getName().'" />';
+            }
+        }
+        else {
+            if($field) {
+                $result = $proceed($item,$column,$field);
+            }
+            else {
+                $result = $proceed($item,$column);
+            }
+        }
+
+        return $result;
+    }
 }
\ No newline at end of file