跨域请求问题

使用阿里的私有云oss页面获取后台签名的方式进行文件上传，在oss上放开了跨域请求的配置
来源： * Methods：POST Headers: *

但是访问 前端页面访问的时候还是有问题 报错： response to preflight request doesn't pass access control check:the value of the 'Access-Control-Allow-Origin' header in the response must not be the wildcard '*' when the request's credentials mode is 'include' .Origin {host} is therefore not allowed access .The credentials mode of requests initiated by the XMLHttpRequest is controlled by the withCrendentials attribute.