修复一些错误

app/Exports/PurchaseOrderExport.php

@@ -33,16 +33,14 @@ class PurchaseOrderExport implements FromCollection, WithHeadings, WithMapping,
 
     /**
      * @param PurchaseOrderModel $purchase 采购单
-     * @param string $type all 全品类 / category 仅蔬果分类
      */
     public function __construct(
         private readonly PurchaseOrderModel $purchase,
-        private readonly string $type = 'all',
     ) {
     }
 
     /**
-     * 导出行（商品聚合行，按 分类sort → 商品sort 排序；蔬果分类时按顶级分类名过滤）
+     * 导出行（商品聚合行，按 分类sort → 商品sort 排序）
      */
     public function collection(): Collection
     {
@@ -114,13 +112,6 @@ class PurchaseOrderExport implements FromCollection, WithHeadings, WithMapping,
         $items = collect($rows);
         $this->loadLookups($items);
 
-        if ($this->type === 'category') {
-            $items = $items->filter(function (array $row): bool {
-                $rootName = $this->categoryNames[$row['product_id']] ?? '';
-                return str_contains($rootName, '蔬菜') || str_contains($rootName, '水果');
-            })->values();
-        }
-
         $sort = 1;
         return $this->items = $items->map(static function (array $row) use (&$sort): array {
             $row['sort'] = $sort++;