运行demo_gazebo.launch文件是出现如下错误

[INFO] [1660296228.426600, 0.000000]: Loading controller: joint_state_controller
[INFO] [1660296228.648985, 0.000000]: Calling service /gazebo/set_model_configuration
[INFO] [1660296228.651858, 0.000000]: Set model configuration status: SetModelConfiguration: success
[INFO] [1660296228.652551, 0.000000]: Unpausing physics
[ERROR] [1660296228.656673407, 0.001000000]: A controller named 'joint_state_controller' was already loaded inside the controller manager
[INFO] [1660296228.656822, 0.001000]: Started controllers: arm_controller, hand_controller, joint_state_controller
[spawn_gazebo_model-4] process has finished cleanly
log file: /home/lxz/.ros/log/771cf8e0-1a20-11ed-9c4c-6137fa9b33c4/spawn_gazebo_model-4*.log
[ERROR] [1660296229.657856, 0.993000]: Failed to load joint_state_controller

错误为ERROR] [1660296228.656673407, 0.001000000]: A controller named 'joint_state_controller' was already loaded inside the controller manager

有这个错误但是可以进行联动 想知道如何解决这个错误 求老师或大佬解决一下