sudo npm install -g cnpm --registry=https://registry.npm.taobao.org
cnpm install -g electron
cnpm install node-json-rpc
https://ziahamza.github.io/webui-aria2/
fmtsize: function(e) {
return (e = +e) <= 1024
? e.toFixed(0) + " B"
: (e /= 1024) <= 1024
? e.toFixed(1) + " KB"
: (e /= 1024) <= 1024
? e.toFixed(2) + " MB"
: (e /= 1024).toFixed(3) + "
}