单位处理

biz-ghs/product/classes/ProductClass.php

@@ -569,8 +569,8 @@ class ProductClass extends BaseClass
             $totalPrice = bcadd($totalPrice, $price, 2);
 
             $tmp['name'] = $productData[$productId]['name'] ?? '';
-            $tmp['smallUnit'] = $productData[$productId]['smallUnit'];
-            $tmp['bigUnit'] = $productData[$productId]['bigUnit'];
+            $tmp['smallUnit'] = $productData[$productId]['smallUnit']??'';
+            $tmp['bigUnit'] = $productData[$productId]['bigUnit']??'';
             $tmp['cover'] = $productData[$productId]['cover'] ?? '';
             $tmp['itemId'] = $itemId;
             $tmp['rank'] = $productData[$productId]['rank'] ?? '';