升级项目新增分类描述采集

@@ -803,7 +803,7 @@ class ProjectUpdate extends Command
                             'image' => $new_img,
                             'pid' => $pid,
                             'keywords' => $item['keywords'] ?? '',
-                            'describe' => $item['description'] ?? '',
+                            'describe' => (isset($item['description']) && $item['description']) ? $item['description'] : '',
                             'original_id' => $item['id'],
                             'route' => $route
                         ]);