Merge pull request #3 from lohuvie/master

合并下
Merge pull request #4 from lohuvie/master

merge liwenchao
merge
Merge pull request #5 from lohuvie/master

merge
Merge pull request #6 from lohuvie/master

merge
merge
Merge pull request #7 from lohuvie/master

merge
pic-cut update
更新
Merge pull request #14 from willkan/master

拆分出updatePic.js