diff --git a/web/pages/purchase/order.tsx b/web/pages/purchase/order.tsx
index 7852f48..e05cbc6 100644
--- a/web/pages/purchase/order.tsx
+++ b/web/pages/purchase/order.tsx
@@ -17,9 +17,10 @@ import {
   Table,
   Tabs,
   Tag,
+  Tooltip,
   Typography,
 } from 'antd';
-import {AccountBookOutlined, DeleteOutlined, DownloadOutlined, EditOutlined, PlusOutlined, UnorderedListOutlined} from '@ant-design/icons';
+import {AccountBookOutlined, CheckOutlined, DeleteOutlined, DownloadOutlined, EditOutlined, PlusOutlined, UnorderedListOutlined} from '@ant-design/icons';
 import type { TableProps } from 'antd';
 import XinTable from '@/components/XinTable';
 import type {
@@ -98,6 +99,9 @@ const PurchaseOrderPage: React.FC = () => {
   const [detailLoading, setDetailLoading] = useState(false);
   const [completing, setCompleting] = useState(false);
 
+  // 商品明细：单品「已对账」勾选标记（前端本地控制不入库，按采购单持久化到 localStorage）
+  const [checkedItems, setCheckedItems] = useState<Set<number>>(new Set());
+
   // 行内编辑：供应商选项（品名/供应商/包规/单位/成本与各门店订货量直接在表格中编辑）
   const [suppliers, setSuppliers] = useState<ISupplier[]>([]);
 
@@ -246,6 +250,37 @@ const PurchaseOrderPage: React.FC = () => {
     }
   }, [detailOpen, detailTab, storeId, detail?.purchase.id]);
 
+  // 切换采购单时从 localStorage 恢复单品「已对账」标记
+  useEffect(() => {
+    if (!detail) {
+      setCheckedItems(new Set());
+      return;
+    }
+    try {
+      const raw = localStorage.getItem(`purchase-checked-items:${detail.purchase.id}`);
+      setCheckedItems(new Set(raw ? (JSON.parse(raw) as number[]) : []));
+    } catch {
+      setCheckedItems(new Set());
+    }
+  }, [detail]);
+
+  /** 切换单品「已对账」标记（前端本地控制，不入库） */
+  const toggleItemChecked = (productId: number) => {
+    if (!detail) {
+      return;
+    }
+    setCheckedItems((prev) => {
+      const next = new Set(prev);
+      if (next.has(productId)) {
+        next.delete(productId);
+      } else {
+        next.add(productId);
+      }
+      localStorage.setItem(`purchase-checked-items:${detail.purchase.id}`, JSON.stringify([...next]));
+      return next;
+    });
+  };
+
   const loadDetail = async (id: number) => {
     setDetailLoading(true);
     try {
@@ -566,17 +601,36 @@ const PurchaseOrderPage: React.FC = () => {
         title: '市场',
         fixed: 'left',
         dataIndex: 'market',
-        width: 110,
+        width: 90,
         align: 'center',
         filters: itemMarketOptions.map((m) => ({ text: m, value: m })),
         filteredValue: itemColumnFilters.market ?? null,
         onFilter: (value, row) => (row.market ?? '') === value,
-        render: (v) => v || '-',
+        render: (v, row) => {
+          // ✔ 按钮标记本单品已对账（前端本地标记，不入库）
+          const checked = checkedItems.has(row.product_id);
+          return (
+            <Space size={4}>
+              <span>{v || '-'}</span>
+              <Tooltip title={checked ? '取消对账标记' : '标记本单品已对账'}>
+                <Button
+                  size="small"
+                  shape="circle"
+                  style={{ minWidth: 16, height: 16, width: 16 }}
+                  icon={<CheckOutlined />}
+                  color={checked ? 'green' : 'default'}
+                  variant={checked ? 'solid' : 'outlined'}
+                  onClick={() => toggleItemChecked(row.product_id)}
+                />
+              </Tooltip>
+            </Space>
+          );
+        },
       },
       {
         title: '单价',
         key: 'retail_price',
-        width: 110,
+        width: 90,
         align: 'center',
         render: (_, row) => {
           // 加权平均售价 ÷ 包规数值（无订货数量时无参考价）
@@ -590,20 +644,20 @@ const PurchaseOrderPage: React.FC = () => {
         title: '包规',
         dataIndex: 'product_spec',
         align: 'center',
-        width: 110,
+        width: 90,
         render: (v, row) => renderEditableCell(row, 'product_spec', v || '-'),
       },
       {
         title: '单位',
         dataIndex: 'unit',
-        width: 110,
+        width: 90,
         align: 'center',
         render: (v, row) => renderEditableCell(row, 'unit', v || '-'),
       },
       {
         title: '成本',
         dataIndex: 'cost_price',
-        width: 110,
+        width: 120,
         align: 'center',
         render: (v, row) => renderEditableCell(row, 'cost_price', `¥${Number(v).toFixed(2)}`),
       },