diff --git a/ZR.Service/mes/mm/MaterialInputService.cs b/ZR.Service/mes/mm/MaterialInputService.cs
index d6555a2a..f14962cd 100644
--- a/ZR.Service/mes/mm/MaterialInputService.cs
+++ b/ZR.Service/mes/mm/MaterialInputService.cs
@@ -133,9 +133,11 @@ namespace ZR.Service.mes.mm
             }
             WorkorderList.RemoveAll(num => num.PreviousNumber <= 0);
             total= WorkorderList.Count;
+
+            int skip = (query.pageNum ?? 1-1)*(query.pageSize ?? 10);
             var  returndata=  WorkorderList
                 .OrderBy(it => it.ClientWorkorder)
-                .Skip(query.pageNum ?? 1)
+                .Skip(skip)
                 .Take(query.pageSize ?? 10)
                 .ToList();