diff --git a/src/main/resources/mapper/production/DailyPlanMapper.xml b/src/main/resources/mapper/production/DailyPlanMapper.xml
index e4e844a..b1a275d 100644
--- a/src/main/resources/mapper/production/DailyPlanMapper.xml
+++ b/src/main/resources/mapper/production/DailyPlanMapper.xml
@@ -1249,7 +1249,7 @@
 
         dbo.Get_OperatorDesc(a.site,b.operatorId) operatorName ,b.partNo,dbo.Get_Part_SpecDesc(a.site,b.partNo) partDesc,
         round( sum( case when c.Direction='+' then c.TransQty else 0 end     ),2) as returnQty,
-        round(sum( case when c.Direction='+' then c.TransQty else 0 end     )*100/sum( case when c.Direction='-' then c.TransQty else 0 end     ),2) as returnPercent
+        round(sum( case when c.Direction='+' then c.TransQty else 0 end     )*100/sum( case when c.Direction='-' then c.TransQty else 1 end     ),2) as returnPercent
         , round( sum( case when c.Direction='-' then c.TransQty else 0 end     )-sum( case when c.Direction='+' then c.TransQty else 0 end     ),2)  as realQty
         from TransDetail  a