Houfeng / safeify / #2

Builds	Branch	Commit	Type	Ran	Committer	Via	Coverage
#2	master	Merge branch 'v3' of https://github.com/Houfeng/safeify	push	16 Dec 2018 11:47PM PST	Houfeng	travis-pro	89.76
#1	v3	更新 README.md	push	16 Dec 2018 11:21PM PST	Houfeng	travis-pro	91.64