diff --git a/Modules/Mainframe/Cassettes/CassetteModule.cs b/Modules/Mainframe/Cassettes/CassetteModule.cs
index 714de9eb..f7515539 100644
--- a/Modules/Mainframe/Cassettes/CassetteModule.cs
+++ b/Modules/Mainframe/Cassettes/CassetteModule.cs
@@ -273,11 +273,6 @@ namespace SicModules.Cassettes
                     if (WaferManager.Instance.IsWaferSlotLocationValid(chamber, slot))
                     {
                         WaferManager.Instance.DeleteWafer(chamber, slot);
-
-                        //从数据库中删除Tray，更新界面
-                        string cmd_DeleteWafer = $"delete from tray_thickness_data where wafer_guid = '{slot + 1}'";
-                        DataSet dataSet = DB.ExecuteDataset(cmd_DeleteWafer);
-                        EV.PostInfoLog(Module, $"{cmd_DeleteWafer}");
                     }
                     else
                     {
diff --git a/SicRT/Equipments/Systems/EquipmentManager.cs b/SicRT/Equipments/Systems/EquipmentManager.cs
index 236a4d92..0feb2c7c 100644
--- a/SicRT/Equipments/Systems/EquipmentManager.cs
+++ b/SicRT/Equipments/Systems/EquipmentManager.cs
@@ -1228,7 +1228,7 @@ namespace SicRT.Equipments.Systems
             }
             //从数据库中删除Tray，更新界面
             string cmd_DeleteWafer = $"delete from tray_thickness_data where wafer_guid = '{_trayOriginSlot + 1}'";
-            DataSet dataSet = DB.ExecuteDataset(cmd_DeleteWafer);
+            DB.ExcuteTransAction(new List<string> { cmd_DeleteWafer });
             EV.PostInfoLog(chamber.ToString(), cmd_DeleteWafer);
             OP.DoOperation("CoatingManager.QueryUpdate");