我也遇到了同样的问题，最终明白是这个header引起的:

I had the same problem, and eventually understood that it is caused by this header:

curl_setopt($ch, CURLOPT_POST, true);

用这个替换它可以解决问题:

And replacing it with this one solves the issue:

curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'POST');