few tips for axios reqest cancellation

1. for post request cancelToken need put after parmas

axios.get(url, {}, {cancelToken: token}).then(...) 

2. cancel reset

works when after cancel need to request agian

const CancelToken = axios.CancelToken
let source = CancelToken.source()
foo() {
  source.cancel(msg)
  source = CancelToken.source() // reset
}