tree 274e8695e41dbf0e6754bb3554c08e4590344779
parent fff12844f4547feb52c6dc77a234ad1a2c7b5c96
author qianyuan.wqy <qianyuan.wqy@taobao.com> 1576033705 +0800
committer qianyuan.wqy <qianyuan.wqy@taobao.com> 1576033705 +0800

Upgrade readme for iOS minimum supported version.