const access_key = '6374106c5eb449a4ad6c2430f30796e6';
const access_secret = '434fec85aa5846e88bbeb8fac6cf6d7f';
// generateRandomNumber()
const nonce = "887954";
const timestamp = `${Date.now()}`;

const str = [access_secret, nonce, timestamp]
  .sort()
  .reduce((str, item) => str += item, '');

// 最终还需要转成全小写
const signature = sha1(str).toString().toLowerCase();
var siqObject = {
  access_key: access_key,
  nonce: nonce,
  timestamp: timestamp,
  signature: signature,
};