diff --git a/Rs.DeweyTester/Recipe/StockTrayLocationRecipe.cs b/Rs.DeweyTester/Recipe/StockTrayLocationRecipe.cs
index 14b201c..5409679 100644
--- a/Rs.DeweyTester/Recipe/StockTrayLocationRecipe.cs
+++ b/Rs.DeweyTester/Recipe/StockTrayLocationRecipe.cs
@@ -345,6 +345,10 @@ namespace Rs.MotionPlat.Recipe
                         {
                             StockTakeFlow.Instance.Take(trayType, slotIndex, nozzleIndex, EStockScanBarcodeMode.Single,fixtureret,false);
                         }
+                        else
+                        {
+                            Msg.ShowError("Locate failure");
+                        }
                     }
 
                     //Nozzle takeNozzle=NozzleManager.GetNozzle(nozzleIndex);