diff --git a/Modules/SicPM/Devices/IoConfinementRing.cs b/Modules/SicPM/Devices/IoConfinementRing.cs
index a2fc0d6..fc437b4 100644
--- a/Modules/SicPM/Devices/IoConfinementRing.cs
+++ b/Modules/SicPM/Devices/IoConfinementRing.cs
@@ -406,15 +406,6 @@ namespace SicPM.Devices
                 return false;
             }
 
-            /* 在Interlock中配置。
-            if (_diHeaterTempLowLimitSW.Value != true)
-            {
-                reason = "DI_HeaterTempLowLimitSW(DI-11) is not true";
-                EV.PostAlarmLog(Module, reason);
-                return false;
-            }
-            */
-
             /*// PMModule中未注册IsService数据。
             if (IsPmServiceIdle.HasValue == false)
             {
@@ -430,12 +421,13 @@ namespace SicPM.Devices
                 return false;
             }*/
             
-            if (_diHeaterTempLowLimitSW.Value != true)
+            /*  在Interlock中配置。
+             if (_diHeaterTempLowLimitSW.Value != true)
             {
                 reason = "DI_HeaterTempLowLimitSW(DI-11) must be true";
                 EV.PostAlarmLog(Module, reason);
                 return false;
-            }
+            }*/
 
             if (!_doRingMoveDown.Check(true, out reason))
             {