为什么fetch后~报JSON解析错误？

(async () => {
	const mobileUrl = `http://mobile.open.163.com/movie/MCL8DCPJT/getMoviesForAndroid.htm`;
	const resp = await fetch(mobileUrl, {'mode': 'no-cors'});
	const data = await resp.json();
	console.log(data);
})();

我将下载的内容手动用JSON.parse解析却OK