Access to fetch at '
https://api.myip.la/cn?json' from origin 'https://****' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource. If an opaque response serves your needs, set the request's mode to 'no-cors' to fetch the resource with CORS disabled.
myip.ipip.net 这个 api 正常使用 header 有 Access-Control-Allow-Origin: *