$  ./sthp-linux  -p 8090 -s 127.0.0. 1:1090
The application panicked (crashed).
Message:  error binding to 0.0.0.0:8090: error creating server listener: Address already in use (os error 98)
Location: /home/runner/.cargo/registry/src/index.crates.io-6f17d22bba15001f/hyper-0.14.26/src/server/server.rs:79

Backtrace omitted. Run with RUST_BACKTRACE=1 environment variable to display it.
Run with RUST_BACKTRACE=full to include source snippets.

$ lsof -i :8090
COMMAND    PID  USER   FD   TYPE DEVICE SIZE/OFF NODE NAME
sthp-linu 9832 meiyi    6u  IPv4  71607      0t0  TCP *:8090 (LISTEN)

$ kill -9 9832