[Bug] 最新alpha内核，hysteria2节点无法连接

[666dechaoge]

Verify steps

• 确保你使用的是本仓库最新的的 mihomo 或 mihomo Alpha 版本 Ensure you are using the latest version of Mihomo or Mihomo Alpha from this repository.
• 如果你可以自己 debug 并解决的话，提交 PR 吧 Is this something you can debug and fix? Send a pull request! Bug fixes and documentation fixes are welcome.
• 我已经在 Issue Tracker 中找过我要提出的问题 I have searched on the issue tracker for a related issue.
• 我已经使用 Alpha 分支版本测试过，问题依旧存在 I have tested using the dev branch, and the issue still exists.
• 我已经仔细看过 Documentation 并无法自行解决问题 I have read the documentation and was unable to solve the issue.
• 这是 Mihomo 核心的问题，并非我所使用的 Mihomo 衍生版本（如 OpenMihomo、KoolMihomo 等）的特定问题 This is an issue of the Mihomo core per se, not to the derivatives of Mihomo, like OpenMihomo or KoolMihomo.

Mihomo version

alpha-feedc9e

What OS are you seeing the problem on?

Windows, Linux

Mihomo config

- 
   name: Hy2
   type: hysteria2
   server: xxx
   port: xxx
   password: xxx
   skip-cert-verify: false
   servername: xxx.com
   fast-open: true
   udp: true

Mihomo log

No response

Description

使用最新alpha-feedc9e内核，hysteria2节点无法使用

[666dechaoge]

#1064