diff --git a/src/main/resources/mapper/book/ShopProductBookDao.xml b/src/main/resources/mapper/book/ShopProductBookDao.xml
index 8f010e8a..b3ff6d29 100644
--- a/src/main/resources/mapper/book/ShopProductBookDao.xml
+++ b/src/main/resources/mapper/book/ShopProductBookDao.xml
@@ -17,7 +17,7 @@
         SELECT spb.book_id
         FROM shop_product_book spb
                  LEFT JOIN buy_order_detail bod ON spb.product_id = bod.product_id
-                 LEFT JOIN buy_order bo ON bo.id = bod.order_id
+                 LEFT JOIN buy_order bo ON bo.order_id = bod.order_id
         WHERE bo.order_sn = #{orderSn}
           AND spb.del_flag != -1
     </select>