diff --git a/MECF.Framework.RT.EquipmentLibrary/Devices/IoInterLock.cs b/MECF.Framework.RT.EquipmentLibrary/Devices/IoInterLock.cs
index d25051e..631dd4e 100644
--- a/MECF.Framework.RT.EquipmentLibrary/Devices/IoInterLock.cs
+++ b/MECF.Framework.RT.EquipmentLibrary/Devices/IoInterLock.cs
@@ -637,6 +637,13 @@ namespace Aitex.Core.RT.Device.Devices
                         EV.PostAlarmLog(Module, "DO_TCSSupplementing(DO-123) is not open,TCS supply failure");
                         return;
                     }
+
+                    if ((_diTCSNormalLevel?.Value ?? false))//液位已经是Normal时，不补液
+                    {
+                        EV.PostInfoLog(Module, $"TCS supply , DI_TCSNormalLevel(DI-73) is true");
+                        _doTCSSupply.Value = false;
+                        return;
+                    }
                 }
 
                 if (!_doTCSSupply.SetValue(true, out string reason))
@@ -670,14 +677,9 @@ namespace Aitex.Core.RT.Device.Devices
 
                     if (_diTCSNormalLevel?.Value ?? false)
                     {
-                        Task.Delay(2000).ContinueWith(x =>
-                        {
-                            EV.PostInfoLog(Module, $"TCS supply , DI_TCSNormalLevel(DI-73) is true");
-                            _doTCSSupply.Value = false;
-                        });
+                        EV.PostInfoLog(Module, $"TCS supply , DI_TCSNormalLevel(DI-73) is true");
+                        _doTCSSupply.Value = false;
                     }
-
-                    
                 }
             }
         }