diff --git a/Rs.SkyLine/Flow/WorkEnvironment.cs b/Rs.SkyLine/Flow/WorkEnvironment.cs
index 4be8189..d53862e 100644
--- a/Rs.SkyLine/Flow/WorkEnvironment.cs
+++ b/Rs.SkyLine/Flow/WorkEnvironment.cs
@@ -58,7 +58,8 @@ namespace Rs.MotionPlat.Flow
                     switch (step)
                     {
                         case EStockCheckStep.Input料仓是否就绪:
-                            if (!StockManager.Instance.GetStock(ETrayType.Input).HasTray() || GlobalVar.VirtualAxis)
+                            if ((!StockManager.Instance.GetStock(ETrayType.Input).HasTray() && StockManager.Instance.GetStock(ETrayType.Input).Status!= EStockTrayStatus.Backed) 
+                            || GlobalVar.VirtualAxis)
                             {
                                 logInfo = GetClassName() + $"{ETrayType.Input}料仓无料，开始给{ETrayType.Input}料仓上料";
                                 MessageQueue.Instance.Insert(logInfo);