前几天测试还是能识别的，今天测试的时候返回以下信息，请问这是什么问题，用的是云识别图片
(index):1 Failed to load
https://cn1-crs.easyar.com:8443/search: No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'https://demo.***.com' is therefore not allowed access. The response had HTTP status code 500.