rosbag, unable to create a map

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I have another problem that need your help,

I built a data.bag using rosbag

terminal 1: turn on rosaria

terminal 2: using keyboard to drive a robot

terminal 3: turn on hokuyo_scan

terminal 4: turn on tf between hokuyo_scan and base_link

terminal 5: rosparam use_sim_time true

termial 6: rosbag record -O data.bag /scan /tf

, but when i use rosrun gmapping slam.. and rosbag play and rosrun map_sever map_saver. I do not create a map.

Please, show me how can i fix it.

Thanks you advance in your help