diff --git a/ProductionSystem_Service/TResult2Service.cs b/ProductionSystem_Service/TResult2Service.cs
index 342a206..46725ba 100644
--- a/ProductionSystem_Service/TResult2Service.cs
+++ b/ProductionSystem_Service/TResult2Service.cs
@@ -27,6 +27,15 @@ namespace ProductionSystem_Service
             }
         }
 
-
+        /// <summary>
+        /// 根据产品类型和产品条码查询
+        /// </summary>
+        /// <param name="productType"></param>
+        /// <param name="productBarcode"></param>
+        /// <returns></returns>
+        public T_Result2 QueryLatestStep(string productType,string productBarcode)
+        {
+            return db.Queryable<T_Result2>().Where(m => m.ProductType == productType && m.ProductBarcode == productBarcode).First();
+        }
     }
 }