HTTP 仅限于环回地址

http: 易受中间人攻击，不允许用于 IPv4 地址 127.0.0.0/8（127.0.0.1 到 127.255.255.255）和 IPv6 地址 ::1 之外的地址。 对 http: 的支持旨在用于本地开发。

http: is vulnerable to man-in-the-middle attacks and is not allowed to be used for addresses outside of the IPv4 address 127.0.0.0/8 (127.0.0.1 to 127.255.255.255) and the IPv6 address ::1. Support for http: is intended to be used for local development.