edit audio
Merge branch 'master' of https://github.com/xdfcn/items
add record edit
Merge branch 'master' into lifei
change upload url
Merge remote-tracking branch 'remotes/origin/master'
add record /wirite /timer edit
Merge remote-tracking branch 'origin/master'
Merge remote-tracking branch 'remotes/origin/master' into yangtiansheng
Merge branch 'master' of https://github.com/xdfcn/items
update testPaper.js
Merge branch 'feivorid'
let list function return json list
Merge remote-tracking branch 'origin/master'

Merge branch 'feivorid'
Merge branch 'liugenjie'
Merge branch 'henryleu'
add xdf.js file
Merge branch 'master' of https://github.com/xdfcn/items