Blocked by cors policy

[MujiKhan-dev]

Whenever i run the project. In meeting screen all api getting error. it's says Access to XMLHttpRequest at 'http://webcollector-2.agoraio.cn:6080/events/message?apiName=Client.init' from origin 'http://localhost:3000' has been blocked by CORS policy: Response to preflight request doesn't pass access control check: Redirect is not allowed for a preflight request. for all api request