rosbag errorerror 1: md5sumerror 2: reindex
rosbag play 报错error 1: md5sum[ERROR] [1601203353.891976079]: Client [/rviz_1601203340058017803] wants topic /next_target_mark to have datatype/md5sum [visualization_msgs/Marker/4048c9de2a16f4ae8e0538085ebf1b97], but our version has [visualization_msg
