a

robomaster_pi/command_executer.py

@@ -28,7 +28,9 @@ class CommandExecutor(Node):
             process_handle = subprocess.Popen(launch_command, shell=True)
             self.running_processes[name] = process_handle
             process_handle.wait()  # Wait for the process to finish
-            del self.running_processes[name]  # Remove from the dictionary when done
+            if name in self.running_processes:
+                del self.running_processes[name]  # Remove from the dictionary when done
+            
         except Exception as e:
             self.get_logger().error(f"Failed to execute command: {e}")
         else: