diff --git a/src/GUI/gui.py b/src/GUI/gui.py
index a641917..5f94975 100644
--- a/src/GUI/gui.py
+++ b/src/GUI/gui.py
@@ -33,7 +33,7 @@ from mission_group import (
 # ================================================================================
 
 class ControlStationUI(QMainWindow):
-    VERSION = '2.0.3'
+    VERSION = '2.0.4'
     
     def __init__(self):
         super().__init__()
@@ -52,6 +52,10 @@ class ControlStationUI(QMainWindow):
         self.executor = rclpy.executors.SingleThreadedExecutor()
         self.executor.add_node(self.monitor)
         
+        # 添加 CommandLongClient 到執行器（這樣它的回調才能被處理）
+        if self.monitor.command_long_client:
+            self.executor.add_node(self.monitor.command_long_client)
+        
         # 定时处理ROS事件
         self.timer = QTimer()
         self.timer.timeout.connect(self.spin_ros)