ros - Gazebo Node::Advertise()：发布主题时出错。您是否忘记启动发现服务？

Question

当我在 ModelEditor 中插入一个框，并在链接选项卡中更改一些姿势参数时，但该框没有被参数更改。然后我检查了终止符并打印了错误

Node::Advertise(): Error advertising a topic. Did you forget to start the discovery service?
Node::Advertise(): Error advertising a topic. Did you forget to start the discovery service?
Node::Advertise(): Error advertising a topic. Did you forget to start the discovery service?
Node::Advertise(): Error advertising a topic. Did you forget to start the discovery service?

我应该怎么做才能在凉亭中成功运行或构建模型？