delete u-signUp.ejs
Merge branch 'nldjyhl'
add u-signup.ejs file
bug fixed
Merge branch 'commit'
Merge branch 'master' of https://github.com/xdfcn/items
Merge branch 'feivorid'
to modify enum
Merge branch 'master' of https://github.com/xdfcn/items
to modify enum
Merge branch 'liugenjie'
delete Paper.js