http://dr5.lamost.org/v3/sas/fits/20121027/GAC113N27B1/spec-56228-GAC113N27B1_sp11-048.fits.gz
http://dr5.lamost.org/v3/sas/fits/20121027/GAC113N27B1/spec-56228-GAC113N27B1_sp14-131.fits.gz