异常等级显示

app/Http/Transformers/SupplierExaminationTransformer.php

@@ -18,6 +18,7 @@ class SupplierExaminationTransformer
             $item['update_time'] = $item['update_time'] ? date('Y-m-d H:i:s', $item['update_time']) : '';
             $item['examine_time'] = $item['examine_time'] ? date('Y-m-d', $item['examine_time']) : '';
             $item['stock_in_date'] = $item['stock_in_date'] ? date('Y-m-d', $item['stock_in_date']) : '';
+            $item['abnormal_level'] = $item['abnormal_level'] ?: '';
         }
         unset($item);
         return $list;