diff --git a/src/main/java/com/iflytop/digester/DigestionTaskTheadManager.java b/src/main/java/com/iflytop/digester/DigestionTaskTheadManager.java
index e2ef30d..40c67fc 100644
--- a/src/main/java/com/iflytop/digester/DigestionTaskTheadManager.java
+++ b/src/main/java/com/iflytop/digester/DigestionTaskTheadManager.java
@@ -6,6 +6,7 @@ import com.iflytop.digester.deviceinstance.Device;
 import com.iflytop.digester.model.MdbDigestionSolution;
 import com.iflytop.digester.model.MdbDigestionTask;
 import com.iflytop.digester.model.MdbRuntimeLog;
+import com.iflytop.digester.underframework.UfCmdSnippetExecutor;
 import com.iflytop.digester.underframework.dao.model.UfMdbNotification;
 import com.iflytop.digester.underframework.dao.model.UfMdbOption;
 import com.iflytop.digester.underframework.dao.record.UfActiveRecord;
@@ -118,12 +119,13 @@ public class DigestionTaskTheadManager {
             this.startNewDigestion(actionJsonTree.get("parameters"));
             return;
         } else if ( "DoorOpen".equals(actionName) ) {
-            Device.getInstance().door.open();
+            UfCmdSnippetExecutor.execute("TubeRackPutInPrepare");
             this.sendMessageToTransBot("DoorOpenDone", new HashMap<>());
             return ;
         } else if ( "DoorClose".equals(actionName) ) {
             Device.getInstance().door.close();
             this.sendMessageToTransBot("DoorCloseDone", new HashMap<>());
+            this.startDemoDigestion();
             return ;
         }
 
@@ -150,6 +152,35 @@ public class DigestionTaskTheadManager {
         task.executeAction(actionName, actionParams);
     }
 
+    // 启动演示消解任务
+    private void startDemoDigestion() {
+        var digestion = UfActiveRecord.findOne(MdbDigestionSolution.class, Map.of("name", "消解演示"));
+        if ( null == digestion ) {
+            return;
+        }
+
+        var tubes = new ArrayList<Map<String,String>>();
+        for (int i = 0; i<16; i++ ) {
+            var tube = new HashMap<String,String>();
+            tube.put("no", "DEMO-TUBE-" + Integer.toString(i));
+            tubes.add(tube);
+        }
+
+        var task = new MdbDigestionTask();
+        task.digestionId = digestion.id;
+        task.outTaskId = "DEMO-01";
+        task.batchNo = "DEMO-01";
+        task.tubes = UfJsonHelper.objectToJson(tubes);
+        task.status = "pending";
+        task.message = "等待中";
+        task.startedAt = (int)(System.currentTimeMillis() / 1000);
+        task.startedBy = "";
+        task.mode = "auto";
+        task.save();
+
+        this.startTask(task);
+    }
+
     // start new digestion
     private void startNewDigestion( JsonNode params ) {
         String taskId = params.get("batchNo").asText();