Hi Lukasz, I have solve the problem, when I localization by a map, it will show Costmap2DROS transform timeout. Current time: … global_pose stamp: …, tolerance: 0.0001
if I connect the turtlebot with Internet cable, it will provide turtlebot and my workstation (connect turtlebot by wifi) a time, it will worked profect. I still donot konw how to solve this issue without Internet. Anyway, thank you so much.