diff --git a/servo/src/main/java/com/galaxis/rcs/plan/PlanTaskSequence.java b/servo/src/main/java/com/galaxis/rcs/plan/PlanTaskSequence.java
index 9a80d9c..f1b720c 100644
--- a/servo/src/main/java/com/galaxis/rcs/plan/PlanTaskSequence.java
+++ b/servo/src/main/java/com/galaxis/rcs/plan/PlanTaskSequence.java
@@ -192,4 +192,8 @@ public class PlanTaskSequence {
     public boolean isEmpty() {
         return this.taskList.isEmpty();
     }
+
+    public int size() {
+        return this.taskList.size();
+    }
 }
diff --git a/servo/src/main/java/com/yvan/logisticsModel/PtrAgvItem.java b/servo/src/main/java/com/yvan/logisticsModel/PtrAgvItem.java
index 927871b..1853ee4 100644
--- a/servo/src/main/java/com/yvan/logisticsModel/PtrAgvItem.java
+++ b/servo/src/main/java/com/yvan/logisticsModel/PtrAgvItem.java
@@ -265,7 +265,9 @@ public abstract class PtrAgvItem extends ExecutorItem {
         BannerUtils.printConfig(log, "updatePosition", new String[]{
             "logicX: " + logicX,
             "logicY: " + logicY,
-            "direction: " + direction
+            "direction: " + direction,
+            "runningDeviceSize" + (this.runningDeviceTaskList == null ? "null" : this.runningDeviceTaskList.size()),
+            "planTaskSize" + (this.planTaskSequence == null ? "null" : this.planTaskSequence.size())
         });
 
         boolean needCompute = false;