[Gnuplot-info] how to fix it?

[Pengpeng <myo...@ya...>]

please see the attachment,
gnuplot> plot "/home/pt/test/table" using 1:2
/home/pt/test/table is att1
when i run command ,gnuplot> plot "/home/pt/test/table" using 1:2
what i get is att2,it is not what i want 
would you mind to tell me how to fix it?