webim创建会议跨域报错

Access to XMLHttpRequest at 'https://a1.easemob.com/easemob/rtc/req/ticket?_ct=1606382770669' from origin 'http://localhost:8082' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.

会议创建失败： {errorType: "http_error", error: 0, errorMessage: null}