我将firefox，webdriber和geckodriver与nodejs一起使用，但是遇到一些错误我该如何解决？
new webdriver.Builder().forBrowser('firefox').build().then(async (driver) => {
这是错误消息
{ WebDriverError: connection refused
at Object.throwDecodedError (/home/whghdud17/fingo/node_modules/selenium-webdriver/lib/error.js:550:15)
at parseHttpResponse (/home/whghdud17/fingo/node_modules/selenium-webdriver/lib/http.js:542:13)
at Executor.execute (/home/whghdud17/fingo/node_modules/selenium-webdriver/lib/http.js:468:26)
at process._tickCallback (internal/process/next_tick.js:68:7)
name: 'WebDriverError',
remoteStacktrace:
'stack backtrace:\n 0: 0x5787ed - backtrace::backtrace::trace::h59229d13f6a8837d\n 1: 0x578942 - backtrace::capture::Backtrace::new::h23089c033eded8f0\n 2: 0x4463cc - webdriver::error::WebDriverError::new::hd11f864b1fdf4510\n 3: 0x450591 - geckodriver::marionette::MarionetteHandler::create_connection::h6f7058fccafe4367\n 4: 0x425c32 - <webdriver::server::Dispatcher<T, U>>::run::h8f5348b8f5f7c053\n 5: 0x40b22c - std::panicking::try::do_call::hb67c6fb6bcd96195\n 6: 0x5dc20a - panic_unwind::__rust_maybe_catch_panic\n at /checkout/src/libpanic_unwind/lib.rs:98\n 7: 0x41b943 - <F as alloc::boxed::FnBox<A>>::call_box::h4100941edc372034\n 8: 0x5d48a4 - alloc::boxed::{{impl}}::call_once<(),()>\n at /checkout/src/liballoc/boxed.rs:650\n - std::sys_common::thread::start_thread\n at /checkout/src/libstd/sys_common/thread.rs:21\n - std::sys::imp::thread::{{impl}}::new::thread_start\n at /checkout/src/libstd/sys/unix/thread.rs:84' }