tree bb044b9115fb6377680c9c174e75944b9bda56a6
parent 7abc08acbeec7437b72d44e5e1a3500f7f6ac766
author ftwbzhao <b.zhao1@gmail.com> 1428556311 +0800
committer ftwbzhao <b.zhao1@gmail.com> 1428556311 +0800

use = instead of +=