Connection refused about ark-shelf-desktop HOT 4 OPEN

thread 'tokio-runtime-worker' panicked at 'called `Result::unwrap()` on an `Err` value: reqwest::Error { kind: Request, url: Url { scheme: "https", cannot_be_a_base: false, username: "", password: None, host: Some(Domain("yt3.ggpht.com")), port: None, path: "/CajG8KRONNS9zrU0sUb7W3JApVYtYux3dGsV0uSJ8tlbweeCXaNClzZu7KLcLiEa7J-9DV9K=s900-c-k-c0x00ffffff-no-rj", query: None, fragment: None }, source: hyper::Error(Connect, ConnectError("tcp connect error", Os { code: 111, kind: ConnectionRefused, message: "Connection refused" })) }', core/src/base/link.rs:155:51
stack backtrace:
   0: rust_begin_unwind
             at /rustc/a8314ef7d0ec7b75c336af2c9857bfaf43002bfc/library/std/src/panicking.rs:584:5
   1: core::panicking::panic_fmt
             at /rustc/a8314ef7d0ec7b75c336af2c9857bfaf43002bfc/library/core/src/panicking.rs:142:14
   2: core::result::unwrap_failed
             at /rustc/a8314ef7d0ec7b75c336af2c9857bfaf43002bfc/library/core/src/result.rs:1785:5
   3: <core::future::from_generator::GenFuture<T> as core::future::future::Future>::poll
   4: <futures_util::future::future::map::Map<Fut,F> as core::future::future::Future>::poll
   5: <futures_util::future::future::map::Map<Fut,F> as core::future::future::Future>::poll
   6: <core::future::from_generator::GenFuture<T> as core::future::future::Future>::poll
   7: tokio::runtime::task::core::CoreStage<T>::poll
   8: tokio::runtime::task::harness::poll_future
   9: tokio::runtime::task::harness::Harness<T,S>::poll
  10: std::thread::local::LocalKey<T>::with
  11: tokio::runtime::thread_pool::worker::Context::run_task
  12: tokio::runtime::thread_pool::worker::Context::run
  13: tokio::macros::scoped_tls::ScopedKey<T>::set
  14: tokio::runtime::thread_pool::worker::run
  15: <tokio::runtime::blocking::task::BlockingTask<T> as core::future::future::Future>::poll
  16: tokio::runtime::task::harness::Harness<T,S>::poll
  17: tokio::runtime::blocking::pool::Inner::run