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[ERROR] [1568786225.341851]: Tried to publish before configured, topic id 125[ERROR] [1568786225.349380]: Creation of publisher failed: Checksum does not match: 7250c1dc0b61c4190e78f528f599285f,427f77...

~$ sudo apt-get update命中:1 http://deb.odroid.in/5422-s xenial InRelease命中:2 http://ports.ubuntu.com/ubuntu-ports xenial InRelease命中:3 http://packages.ros.org/ros/ubuntu xenial InRelease获取:4 http:/...