diff --git a/Rs.SkyLine/SysConfig/StockControl.cs b/Rs.SkyLine/SysConfig/StockControl.cs
index 1b89171..e71bc9f 100644
--- a/Rs.SkyLine/SysConfig/StockControl.cs
+++ b/Rs.SkyLine/SysConfig/StockControl.cs
@@ -212,11 +212,13 @@ namespace Rs.MotionPlat.SysConfig
                 tostock = ETrayType.Multi;
             if (btnToEmpty2.Checked)
                 tostock = ETrayType.Empty2;
-            
+            StockManager.Instance.GetStock(fromstock).Load(EStockTrayLoadMode.Whole, null);
             TakeTrayFlow.Instance.Take(fromstock, tostock, 
                 null, 
-                null, 
-                null);
+                null,
+                () => {
+                    StockManager.Instance.GetStock(tostock).Unload(EStockTrayUnLoadMode.Whole, null);
+                });
         }
     }
 }