diff --git a/api-admin/src/main/resources/mybatis/mapper/inventory/InvPreProductDao.xml b/api-admin/src/main/resources/mybatis/mapper/inventory/InvPreProductDao.xml
index ade6055..f5bbb38 100644
--- a/api-admin/src/main/resources/mybatis/mapper/inventory/InvPreProductDao.xml
+++ b/api-admin/src/main/resources/mybatis/mapper/inventory/InvPreProductDao.xml
@@ -84,10 +84,12 @@
             <if test="supId == null">
                 AND supId is NULL
             </if>
-            <if test="batchNo != '' and batchNo != null">
+            <if test="batchNo != '' and batchNo != null and batchNo!='empty'">
                 AND batchNo = #{batchNo}
             </if>
-
+            <if test="batchNo == 'empty'">
+                AND batchNo is NULL
+            </if>
             <if test="batchNo == '' || batchNo == null">
                 AND batchNo is NULL
             </if>