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总结一下：ros2humble中默认是fastdds2.6.x，该版本的fastdds不能使用2.14版本的发现服务。即为版本兼容问题。
另外，ros2jazzy中默认使用fastdds2.14.0，也就是说不同版本的ros2也很有可能是不兼容的
