diff --git a/bonus-modules/bonus-material/src/main/resources/mapper/material/purchase/PurchaseBindMapper.xml b/bonus-modules/bonus-material/src/main/resources/mapper/material/purchase/PurchaseBindMapper.xml
index c8c04404..4e6c64a2 100644
--- a/bonus-modules/bonus-material/src/main/resources/mapper/material/purchase/PurchaseBindMapper.xml
+++ b/bonus-modules/bonus-material/src/main/resources/mapper/material/purchase/PurchaseBindMapper.xml
@@ -249,7 +249,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         FROM
             purchase_macode_info
         WHERE
-            DATE_FORMAT(create_time, '%Y-%m') = #{genMonth} and ma_code is not null
+            DATE_FORMAT(create_time, '%Y-%m') = #{genMonth} and ma_code is null
         ORDER BY
             qr_code DESC
     </select>