Fetch Promise会解析，但不会继续

Question

我正在尝试使用fetch，如下所示

export function* loadData() {
  console.log("Saga: Loading Data...");
  try {
    const response = yield call(request, requestURL,
    { method: 'GET', credentials: 'include', headers: {
    'Content-Type': 'application/json', }  });
    // Nothing past this point is ever touched
    if (response.success) {
     console.log("SUCCESS!!!!");
     ...

export default function request(url, options) {
  return fetch(url, options)
    .then(checkStatus)
    .then(parseJSON);
}

CheckStatus确认数据的成功状态

function parseJSON(response) {
  if (response.status === 204 || response.status === 205) {
    return null;
  }
  var responseClone = response.clone();
  console.log(responseClone.json());
  return response.json();
}

没有足够的代表发布克隆输出的屏幕截图，但基本上是chrome dev输出

SAGA: Loading Data...
[[PromiseStatus]]:"resolved"
[[PromiseValue]]:Object

该对象包含我需要的所有数据，代码不会继续通过该响应调用。