系统是Mac OS，用了教程中的全自动滑块验证，然后就在登陆的时候显示了这个错误，完整的报错信息：

java.net.UnknownHostException: slider.kokona.tech
at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:800)
at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1507)
at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1366)
at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1300)
at okhttp3.Dns$Companion$DnsSystem.lookup(Dns.kt:49)
at okhttp3.internal.connection.RouteSelector.resetNextInetSocketAddress(RouteSelector.kt:164)
at okhttp3.internal.connection.RouteSelector.nextProxy(RouteSelector.kt:129)
at okhttp3.internal.connection.RouteSelector.next(RouteSelector.kt:71)
at okhttp3.internal.connection.ExchangeFinder.findConnection(ExchangeFinder.kt:213)
at okhttp3.internal.connection.ExchangeFinder.findHealthyConnection(ExchangeFinder.kt:108)
at okhttp3.internal.connection.ExchangeFinder.find(ExchangeFinder.kt:76)
at okhttp3.internal.connection.RealCall.initExchange$okhttp(RealCall.kt:245)
at okhttp3.internal.connection.ConnectInterceptor.intercept(ConnectInterceptor.kt:32)
at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:100)
at okhttp3.internal.cache.CacheInterceptor.intercept(CacheInterceptor.kt:82)
at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:100)
at okhttp3.internal.http.BridgeInterceptor.intercept(BridgeInterceptor.kt:83)
at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:100)
at okhttp3.internal.http.RetryAndFollowUpInterceptor.intercept(RetryAndFollowUpInterceptor.kt:76)
at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:100)
at okhttp3.internal.connection.RealCall.getResponseWithInterceptorChain$okhttp(RealCall.kt:197)
at okhttp3.internal.connection.RealCall$AsyncCall.run(RealCall.kt:502)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630)
at java.base/java.lang.Thread.run(Thread.java:831)

提前感谢！