vivo/android8.1.0、oppo/android7.1.1手机webview中请求接口没响应

webview控制台提示：Request header field language is not allowed by Access-Control-Allow-Headers in preflight response.
请求头设置了自定义请求头参数，需要服务器支持，并做出正确响应，参考Request header field Content-Type is not allowed by Access-Control-Allow-Headers