diff --git a/Rs.SkyLine/Flow/StockManager.cs b/Rs.SkyLine/Flow/StockManager.cs
index d6bccbe..1311a80 100644
--- a/Rs.SkyLine/Flow/StockManager.cs
+++ b/Rs.SkyLine/Flow/StockManager.cs
@@ -51,7 +51,7 @@ namespace Rs.MotionPlat.Flow
         }
         public bool IsReady()
         {
-            return (Input.Status == EStockTrayStatus.Loaded
+            return ((Input.Status == EStockTrayStatus.Loaded||Input.Status== EStockTrayStatus.Backed)
                 && Ok.Status == EStockTrayStatus.Loaded
                 && Ng.Status == EStockTrayStatus.Loaded
                 && Multi.Status == EStockTrayStatus.Loaded);