diff --git a/SGGL/BLL/HJGL/BaseInfo/MaterialCodeLibService.cs b/SGGL/BLL/HJGL/BaseInfo/MaterialCodeLibService.cs
index 129ee9cf..228bc431 100644
--- a/SGGL/BLL/HJGL/BaseInfo/MaterialCodeLibService.cs
+++ b/SGGL/BLL/HJGL/BaseInfo/MaterialCodeLibService.cs
@@ -94,9 +94,9 @@
         {
             using (Model.SGGLDB db = new Model.SGGLDB(Funs.ConnString))
             {
-                var materialCodes = from x in db.HJGL_MaterialCodeLib select x.MaterialCode;
+                var materialCodes = (from x in db.HJGL_MaterialCodeLib select x.MaterialCode + "_" + x.HeatNo + "_" + x.BatchNo).Distinct().ToList();
                 var ls = from x in list
-                         where !materialCodes.Contains(x.MaterialCode)
+                         where !materialCodes.Contains(x.MaterialCode + "_" + x.HeatNo + "_" + x.BatchNo)
                          select x;
                 List<Model.HJGL_MaterialCodeLib> details = new List<Model.HJGL_MaterialCodeLib>();
                 foreach (var item in ls)