From 1525c950d0afd6064f92ddf5c2f41e52f1207cc3 Mon Sep 17 00:00:00 2001
From: Xin Qiu <qiuxin2012@users.noreply.github.com>
Date: Wed, 21 Jun 2017 13:22:12 +0800
Subject: [PATCH] update some doc (#1050)