diff --git a/src/src/main/java/com/my/graphiteDigesterBg/step/StepMoveErrorTubesToErrorSlot.java b/src/src/main/java/com/my/graphiteDigesterBg/step/StepMoveErrorTubesToErrorSlot.java
index 701d58b..53241c5 100644
--- a/src/src/main/java/com/my/graphiteDigesterBg/step/StepMoveErrorTubesToErrorSlot.java
+++ b/src/src/main/java/com/my/graphiteDigesterBg/step/StepMoveErrorTubesToErrorSlot.java
@@ -2,15 +2,25 @@ package com.my.graphiteDigesterBg.step;
 import com.my.graphiteDigesterBg.diframe.DiTaskStepBase;
 import com.my.graphiteDigesterBg.diframe.TaskStep;
 import com.my.graphiteDigesterBg.move.MoveTubeToErrorRackSlot;
+import com.my.graphiteDigesterBg.resource.ResHeatingTubeRackSlot;
 import com.my.graphiteDigesterBg.resource.ResHeatingTubeRackSlotManager;
 import com.my.graphiteDigesterBg.task.TaskDigestion;
+import java.util.ArrayList;
+import java.util.List;
 @TaskStep(name="MoveErrorTubesToErrorSlot")
 public class StepMoveErrorTubesToErrorSlot extends DiTaskStepBase {
     @Override
     public void run() {
         var task = (TaskDigestion)this.getTask();
         var slot = task.getSlot();
-        var errorTubes = task.errorTubeIndexes;
+        List<Integer> errorTubes = task.errorTubeIndexes;
+        if ( null == errorTubes ) {
+            errorTubes = new ArrayList<>();
+        }
+
+        if ( !ResHeatingTubeRackSlot.LOCATION_LIQUID_PLATE.equals(slot.rackPosition) ) {
+            throw new RuntimeException("试管架未在加液区位置，无法将试管移至异常处理区域");
+        }
 
         var slotMan = task.getResourceManager(ResHeatingTubeRackSlotManager.class);
         var errorSlot = slotMan.getErrorSlot();
@@ -26,8 +36,5 @@ public class StepMoveErrorTubesToErrorSlot extends DiTaskStepBase {
             move.errorTubeIndex = emptyTubeIndexList.get(i);
             move.run();
         }
-
-        throw new RuntimeException("无法正常加液");
-        // @TODO: 取出收需要标记响应位置为空， 不然后面加液会出错 ~~~
     }
 }