fix:进货单问题

src/pages/lxMall/purchaseOrder/index.tsx

@@ -736,7 +736,7 @@ const PurchaseOrder: React.FC<PurchaseOrderPropsType> = (props) => {
                           }
                         </div>
                         <div className={cx(styles.order_list_item_item, styles.count)}>
-                          <InputNumber max={childItem.stockCount || 0} min={childItem.commodityUnitPrice.commodity.minOrder || 1} value={childItem.count} onChange={(value) => handleCountChange(value, childItem.id)} />
+                          <InputNumber max={childItem.stockCount || 0} disabled={childItem.stockCount === 0} min={childItem.commodityUnitPrice.commodity.minOrder || 1} value={childItem.count} onChange={(value) => handleCountChange(value, childItem.id)} />
                           <div className={styles.stock}>
                             <span>(库存{numFormat(childItem.stockCount)}{childItem.commodityUnitPrice.commodity.unitName})</span>
                           </div>