diff --git a/src/main/resources/mapper/ecss/CoDelMapper.xml b/src/main/resources/mapper/ecss/CoDelMapper.xml
index 517e45e6..ec835210 100644
--- a/src/main/resources/mapper/ecss/CoDelMapper.xml
+++ b/src/main/resources/mapper/ecss/CoDelMapper.xml
@@ -1254,11 +1254,11 @@ left join ecss_CoDelNotifyHeader noHeader on a.site=noHeader.site and a.delNo=no
                CONVERT(DECIMAL(20, 3),w.num_value) as boxWeight
         from ecss_CoDelBoxList a
                  left join (
-            select top 1 b.site, b.bu_no, b.delNo, b.seq_no, b.part_no
+            select b.site, b.bu_no, b.delNo, b.seq_no, b.part_no,
+                   ROW_NUMBER() OVER (PARTITION BY b.site, b.bu_no, b.delNo, b.seq_no ORDER BY b.part_no) as rn
             from ecss_CoDelPalletDetail b
             where b.site = #{site} and b.bu_no = #{buNo} and b.delNo = #{delNo}
-            group by b.site, b.bu_no, b.delNo, b.seq_no, b.part_no
-        ) d on a.site = d.site and a.bu_no = d.bu_no and a.delNo = d.delNo and a.item_no = d.seq_no
+        ) d on a.site = d.site and a.bu_no = d.bu_no and a.delNo = d.delNo and a.item_no = d.seq_no and d.rn = 1
                  left join part_sub_properties_value w on d.part_no = w.part_no and w.site = d.site and w.bu_no = d.bu_no
             and w.record_type='ECSSPART' and w.code_no='BG001' and w.properties_item_no='BOXWEIGHT'
         where a.site = #{site} and a.bu_no = #{buNo} and a.delNo = #{delNo}