grunt compile/build minify
add api: uploadToken
get files/uploadToken
-> PR0t5xIyMRIWCLgeLFbtOND57bnTIpp7CGRMWMCI:JJjX-0N_yxeUT-_2jrwcSAPxsDQ=:eyJzY29wZSI6ImVycGxpdGUiLCJkZWFkbGluZSI6MTQwNDEzNjYxM30=
The token expires in 1 minutes. Allow you to upload file to Qiniu