Change: make ping under authentication

Chore: update dependencies

Improve: UDP relay refactor (#441)

Co-authored-by: Dreamacro <Dreamacro@vip.qq.com>

Improve: UDP relay refactor (#441)

Co-authored-by: Dreamacro <Dreamacro@vip.qq.com>

Chore: update dependencies

Chore: update dependencies & fix typo

Chore: update README.md

Chore: update README.md

Chore: update README.md

Fix: `redir-host` mode crash