diff --git a/src/main/resources/mapper/schedule/SchedulingMapper.xml b/src/main/resources/mapper/schedule/SchedulingMapper.xml
index fcad687..c0ca587 100644
--- a/src/main/resources/mapper/schedule/SchedulingMapper.xml
+++ b/src/main/resources/mapper/schedule/SchedulingMapper.xml
@@ -306,7 +306,7 @@
             Order by D.NeedDate
         </if>
         <if test="query.sortField != null and query.sortField == 'orderNo'">
-            Order by T.OrderNo
+            Order by T.OrderNo, T.ItemNo
         </if>
         <if test="query.sortField != null and query.sortField == 'partNo'">
             Order by T.PartNo