diff --git a/src/WMS.Web.Domain/Services/InStockService.cs b/src/WMS.Web.Domain/Services/InStockService.cs
index b68821f3..61a2d3b0 100644
--- a/src/WMS.Web.Domain/Services/InStockService.cs
+++ b/src/WMS.Web.Domain/Services/InStockService.cs
@@ -606,8 +606,8 @@ namespace WMS.Web.Domain.Services
             entity.Details.ForEach(x =>
             {
                 //当前明细收货的明细：可以通过erp明细ID获取唯一一个;并变更收货数量
-                var current_dto_det = dto.Details.Where(t => t.ErpDetailId == x.ErpDetailId && t.MaterialId==x.MaterialId).FirstOrDefault();
-                if (current_dto_det != null && x.ErpDetailId == current_dto_det.ErpDetailId)
+                var current_dto_det = dto.Details.Where(t => t.ErpDetailId == x.ErpDetailId).FirstOrDefault();
+                if (current_dto_det != null && x.ErpDetailId == current_dto_det.ErpDetailId && x.MaterialId==current_dto_det.MaterialId)
                     x.ReceiveQty = x.ReceiveQty + current_dto_det.ReceiveQty;
             });