diff --git a/MECF.Framework.RT.EquipmentLibrary/Devices/IoTC.cs b/MECF.Framework.RT.EquipmentLibrary/Devices/IoTC.cs
index c29a311..666be2c 100644
--- a/MECF.Framework.RT.EquipmentLibrary/Devices/IoTC.cs
+++ b/MECF.Framework.RT.EquipmentLibrary/Devices/IoTC.cs
@@ -1029,25 +1029,15 @@ namespace Aitex.Core.RT.Device.Devices
             {
                 if (HeaterModeSetPoint == HeaterControlMode.PyroFollow)
                 {
-                    if(!IsFloatEqual(L2TargetOPSetPoint, L2WorkingOPFeedBack))
+                    if (!IsFloatEqual(L2TargetOPSetPoint, L2WorkingOPFeedBack))
                         L2TargetOPSetPoint = L2WorkingOPFeedBack;
 
-                    if (!IsFloatEqual(ref _ssL2WorkingOPFeedBack, L2WorkingOPFeedBack)
-                        || !IsFloatEqual(ref _ssL1RatioSetPoint, L1RatioSetPoint)
-                        || !IsFloatEqual(ref _ssL2RatioSetPoint, L2RatioSetPoint))
-                    {
-                        _ssL2WorkingOPFeedBack = L2WorkingOPFeedBack;
-                        var l1 = L2RatioSetPoint > 0 ? L2WorkingOPFeedBack * L1RatioSetPoint / L2RatioSetPoint : 0;
-                        L1TargetOPSetPoint = l1 > 100 ? 100 : l1;
-                    }
+                    var l1 = L2RatioSetPoint > 0 ? L2WorkingOPFeedBack * L1RatioSetPoint / L2RatioSetPoint : 0;
+                    L1TargetOPSetPoint = l1 > 100 ? 100 : l1;
+
+                    var l3 = L2RatioSetPoint > 0 ? L2WorkingOPFeedBack * L3RatioSetPoint / L2RatioSetPoint : 0;
+                    L3TargetOPSetPoint = l3 > 100 ? 100 : l3;
 
-                    if (!IsFloatEqual(ref _ssL2WorkingOPFeedBack, L2WorkingOPFeedBack)
-                        || !IsFloatEqual(ref _ssL3RatioSetPoint, L3RatioSetPoint)
-                        || !IsFloatEqual(ref _ssL2RatioSetPoint, L2RatioSetPoint))
-                    {
-                        var l3 = L2RatioSetPoint > 0 ? L2WorkingOPFeedBack * L3RatioSetPoint / L2RatioSetPoint : 0;
-                        L3TargetOPSetPoint = l3 > 100 ? 100 : l3;
-                    }
                 }
                 else //Power
                 {
@@ -1063,27 +1053,16 @@ namespace Aitex.Core.RT.Device.Devices
             }
             else if (Name == "TC2")
             {
-                if (HeaterModeSetPoint == HeaterControlMode.PyroFollow)//Pyro和TC
+                if (HeaterModeSetPoint == HeaterControlMode.PyroFollow) //Pyro和TC
                 {
-                    
-                    if(!IsFloatEqual(L3TargetOPSetPoint, L3WorkingOPFeedBack))
+                    if (!IsFloatEqual(L3TargetOPSetPoint, L3WorkingOPFeedBack))
                         L3TargetOPSetPoint = L3WorkingOPFeedBack;
 
-                    if (!IsFloatEqual(ref _ssL3WorkingOPFeedBack, L3WorkingOPFeedBack)
-                        || !IsFloatEqual(ref _ssL1RatioSetPoint, L1RatioSetPoint)
-                        || !IsFloatEqual(ref _ssL3RatioSetPoint, L3RatioSetPoint))
-                    {
-                        var l1 = L3RatioSetPoint > 0 ? L3WorkingOPFeedBack * L1RatioSetPoint / L3RatioSetPoint : 0;
-                        L1TargetOPSetPoint = l1 > 100 ? 100 : l1;
-                    }
+                    var l1 = L3RatioSetPoint > 0 ? L3WorkingOPFeedBack * L1RatioSetPoint / L3RatioSetPoint : 0;
+                    L1TargetOPSetPoint = l1 > 100 ? 100 : l1;
 
-                    if (!IsFloatEqual(ref _ssL3WorkingOPFeedBack, L3WorkingOPFeedBack)
-                        || !IsFloatEqual(ref _ssL2RatioSetPoint, L2RatioSetPoint)
-                        || !IsFloatEqual(ref _ssL3RatioSetPoint, L3RatioSetPoint))
-                    {
-                        var l2 = L3RatioSetPoint > 0 ? L3WorkingOPFeedBack * L2RatioSetPoint / L3RatioSetPoint : 0;
-                        L2TargetOPSetPoint = l2 > 100 ? 100 : l2;
-                    }
+                    var l2 = L3RatioSetPoint > 0 ? L3WorkingOPFeedBack * L2RatioSetPoint / L3RatioSetPoint : 0;
+                    L2TargetOPSetPoint = l2 > 100 ? 100 : l2;
                 }
                 else //Power
                 {