diff --git a/ProductionSystem_Service/ProductStepService.cs b/ProductionSystem_Service/ProductStepService.cs
index 0124ecb..3a17f0f 100644
--- a/ProductionSystem_Service/ProductStepService.cs
+++ b/ProductionSystem_Service/ProductStepService.cs
@@ -44,8 +44,8 @@ namespace ProductionSystem_Service
             return db.Queryable<T_Product_Step>().
                 Where(m => m.StepName == stepName 
                 &&  m.EquipmentName == equipmentName 
-                && m.ProductType == productType)
-                .Where(x=>x.ProductBarcode==productCode)
+                && m.ProductType == productType && m.ProductBarcode==productCode)
+              
                 .OrderByDescending(x=>x.CreateTime)
                 .First();
         }