diff --git a/mhd_wms/src/main/resources/mapper/materialInventory/MaterialInventoryMapper.xml b/mhd_wms/src/main/resources/mapper/materialInventory/MaterialInventoryMapper.xml
index a6ec0dc36..7ad812b53 100644
--- a/mhd_wms/src/main/resources/mapper/materialInventory/MaterialInventoryMapper.xml
+++ b/mhd_wms/src/main/resources/mapper/materialInventory/MaterialInventoryMapper.xml
@@ -233,10 +233,10 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
             and a.BOX_PALLET_NO like concat('%', #{boxPalletNo}, '%')
         </if>
         <if test="expiryDateStr != null and expiryDateStr != ''">
-            AND TO_CHAR(b.expiry_date, 'yyyy-MM-dd') = #{expiryDateStr}
+            AND TO_CHAR(a.expiry_date, 'yyyy-MM-dd') = #{expiryDateStr}
         </if>
         <if test="productionDateStr != null and productionDateStr != ''">
-            AND TO_CHAR(b.production_date, 'yyyy-MM-dd') = #{productionDateStr}
+            AND TO_CHAR(a.production_date, 'yyyy-MM-dd') = #{productionDateStr}
         </if>
     </sql>