tree cf2497a6d0ee478aecbe6e6aa88c9aa6dae205c3
parent 1ffbbd24f3fc6c5bf9b216bbb426244baf955e4f
author Haoming Zhang <zhm1993zhm@gmail.com> 1498756220 -0700
committer Haoming Zhang <zhm1993zhm@gmail.com> 1498756220 -0700

fix bugs