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1、执行gazebo_sim.launch.py的时候上图问题 （1）libgazebo_ros2_control.so找不到 （2）load_controller无法连接到 2、安装完gazebo后按照教材执行查看命令的时候看不到教材示例
请问这种问题怎么解决 （补充：用gitee上的代码也是这个效果！）
