diff --git a/Rs.DeweyTester/Flow/NormalFlow/DischargeFlow.cs b/Rs.DeweyTester/Flow/NormalFlow/DischargeFlow.cs
index d34c110..6c1c602 100644
--- a/Rs.DeweyTester/Flow/NormalFlow/DischargeFlow.cs
+++ b/Rs.DeweyTester/Flow/NormalFlow/DischargeFlow.cs
@@ -780,10 +780,23 @@ namespace Rs.MotionPlat.Flow
                                         }
                                         else
                                         {
-                                            DischargeModuleGoSafePosFlow.Instance.GoSafePostion();
-                                            TakeTrayFlow.Instance.Take(ETrayType.Empty, ETrayType.Ok, true, true);
-                                            GlobalTray.OkTary.ChangeStatus(ESlotStatus.NotHave);
-                                            ThreePointLocationFlow.Instance.Location(ETrayType.Ok);
+                                            if(StockManager.GetCurrentLayer(1)<20)
+                                            {
+                                                DischargeModuleGoSafePosFlow.Instance.GoSafePostion();
+                                                TakeTrayFlow.Instance.Take(ETrayType.Empty, ETrayType.Ok, true, true);
+                                                GlobalTray.OkTary.ChangeStatus(ESlotStatus.NotHave);
+                                                ThreePointLocationFlow.Instance.Location(ETrayType.Ok);
+                                            }
+                                            else
+                                            {
+                                                DischargeModuleGoSafePosFlow.Instance.GoSafePostion();
+                                                TakeTrayFlow.Instance.Take(ETrayType.Empty, ETrayType.Ok, true, true);
+                                                StockManager.OutStock(1);
+                                                StockManager.InStock(1);
+                                                StockManager.PrepareTray(1);
+                                                TakeTrayFlow.Instance.Take(ETrayType.Empty, ETrayType.Ok, true, true);
+                                                GlobalTray.OkTary.ChangeStatus(ESlotStatus.NotHave);
+                                            }
                                         }
                                         
                                         //料盘已满