text: const sms = require(".");
  const assert = require("assert");
  const accessKeyID     = process.env.ALI_SMS_ACCESSKEYID;
  const accessKeySecret = process.env.ALI_SMS_ACCESSKEYSECRET;
  
  const config = {
    accessKeyID       : accessKeyID,
    accessKeySecret   : accessKeySecret,
    paramString       : {"code":"12345"},
    recNum            : ['17705143393'],
    signName          : "心血管风险评估",
    templateCode      : 'SMS_72910068'
  };
  sms(config, (err, body) => {
    console.log('err, body:', err, body);
    assert.ok(!err);
    body = JSON.parse(body);
    assert.ok(body.Code === 'OK');
  });