复现问题

发送请求到 http://localhost:8009 的时候，就会被阻止，并且报这样的错:
net::ERR_FAILED (ERR_FAILED)(How to fix Chrome block your insecure private network requests)

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报错
Access to fetch at ‘...’ from origin ‘’ has been blocked by CORS policy:The request client is not a secure context and the resource is in more-private address space ‘local’

解决方法

• 浏览器访问地址

chrome://flags/#block-insecure-private-network-requests

• 设置为 Disabled

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• 重启浏览器

参考资料

Private Network Access