diff --git a/Rs.SkyLine/Commom/TrayPointManager.cs b/Rs.SkyLine/Commom/TrayPointManager.cs
index b776766..68c252d 100644
--- a/Rs.SkyLine/Commom/TrayPointManager.cs
+++ b/Rs.SkyLine/Commom/TrayPointManager.cs
@@ -22,6 +22,7 @@ namespace Rs.MotionPlat.Commom
         static ConcurrentDictionary<string, SlotPoint> trayPoints = new ConcurrentDictionary<string, SlotPoint>();
         public static void LoadPoint()
         {
+            trayPoints.Clear();
             string querySql = "select * from TrayPoints";
             DataTable dt = db.GetDataTable(querySql);
             if (ObjectHelper.IsNotNullorEmpty(dt))
diff --git a/Rs.SkyLine/Recipe/StockTrayLocationRecipe.cs b/Rs.SkyLine/Recipe/StockTrayLocationRecipe.cs
index 9fe2268..e71452b 100644
--- a/Rs.SkyLine/Recipe/StockTrayLocationRecipe.cs
+++ b/Rs.SkyLine/Recipe/StockTrayLocationRecipe.cs
@@ -108,6 +108,7 @@ namespace Rs.MotionPlat.Recipe
                         }
                     }
                     BindPoints();
+                    TrayPointManager.LoadPoint();
                 }
 
             }
diff --git a/Rs.SkyLine/Recipe/TurnoverLocationRecipe.cs b/Rs.SkyLine/Recipe/TurnoverLocationRecipe.cs
index 9e64ee6..9fa6d52 100644
--- a/Rs.SkyLine/Recipe/TurnoverLocationRecipe.cs
+++ b/Rs.SkyLine/Recipe/TurnoverLocationRecipe.cs
@@ -145,6 +145,7 @@ namespace Rs.MotionPlat.Recipe
                 
             }
             BindPoints();
+            TrayPointManager.LoadPoint();
         }
 
         private void btnTeach_Click(object sender, EventArgs e)