diff --git a/src/src/main/java/com/my/graphiteDigesterBg/resource/ResHeatingTubeRackSlotManager.java b/src/src/main/java/com/my/graphiteDigesterBg/resource/ResHeatingTubeRackSlotManager.java
index 0816b9e..666f269 100644
--- a/src/src/main/java/com/my/graphiteDigesterBg/resource/ResHeatingTubeRackSlotManager.java
+++ b/src/src/main/java/com/my/graphiteDigesterBg/resource/ResHeatingTubeRackSlotManager.java
@@ -41,11 +41,11 @@ public class ResHeatingTubeRackSlotManager extends DiResourceManagerBase {
 
     // refresh slot temperature
     public void refreshSlotTemperature() {
-//        var registers = this.getDevice().getRegisters();
-//        for (ResHeatingTubeRackSlot slot : this.slots) {
-//            slot.temperature = registers.getValue("HeatingPlateSlotTemperature" + slot.index);
-//            LOG.info("[Heating Slot {}] temperature: {}", slot.index, slot.temperature);
-//        }
+        var registers = this.getDevice().getRegisters();
+        for (ResHeatingTubeRackSlot slot : this.slots) {
+            slot.temperature = registers.getValue("HeatingPlateSlotTemperature" + slot.index);
+            LOG.info("[Heating Slot {}] temperature: {}", slot.index, slot.temperature);
+        }
     }
 
     // get resource data
@@ -66,7 +66,7 @@ public class ResHeatingTubeRackSlotManager extends DiResourceManagerBase {
                 return slot;
             }
         }
-        throw new RuntimeException("No free slot");
+        throw new RuntimeException("暂无空闲试管架位置");
     }
 
     // get slot by index