几乎没有改动，单纯因为git gui非要我在合并前提交掉

Signed-off-by: An <lasdtc@gmail.com>
Merge branch 'master' of https://github.com/zhengjiabin/ISharing.git
登录注册验证优化

Signed-off-by: An <lasdtc@gmail.com>