具体报错内容如下：
2021-06-23 11:06:55 E/Mirai HTTP API: java.lang.NoSuchMethodError: 'double kotlin.time.DurationKt.toDuration(int, java.util.concurrent.TimeUnit)'
java.lang.NoSuchMethodError: 'double kotlin.time.DurationKt.toDuration(int, java.util.concurrent.TimeUnit)'
at net.mamoe.mirai.api.http.route.BaseRouteKt$mirai$2.invoke(BaseRoute.kt:67)
at net.mamoe.mirai.api.http.route.BaseRouteKt$mirai$2.invoke(BaseRoute.kt)
at io.ktor.features.CORS$Feature.install(CORS.kt:521)
at io.ktor.features.CORS$Feature.install(CORS.kt:513)
at io.ktor.application.ApplicationFeatureKt.install(ApplicationFeature.kt:68)
at net.mamoe.mirai.api.http.route.BaseRouteKt.mirai(BaseRoute.kt:64)
at net.mamoe.mirai.api.http.MiraiHttpAPIServer$start$2$1$1.invoke(MiraiHttpAPIServer.kt:93)
at net.mamoe.mirai.api.http.MiraiHttpAPIServer$start$2$1$1.invoke(MiraiHttpAPIServer.kt:29)
at io.ktor.server.engine.ApplicationEngineEnvironmentReloading.instantiateAndConfigureApplication(ApplicationEngineEnvironmentReloading.kt:303)
at io.ktor.server.engine.ApplicationEngineEnvironmentReloading.createApplication(ApplicationEngineEnvironmentReloading.kt:138)
at io.ktor.server.engine.ApplicationEngineEnvironmentReloading.start(ApplicationEngineEnvironmentReloading.kt:270)
at io.ktor.server.cio.CIOApplicationEngine$serverJob$1$1.invokeSuspend(CIOApplicationEngine.kt:53)
at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:33)
at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:106)
at kotlinx.coroutines.scheduling.CoroutineScheduler.runSafely(CoroutineScheduler.kt:571)
at kotlinx.coroutines.scheduling.CoroutineScheduler$Worker.executeTask(CoroutineScheduler.kt:750)
at kotlinx.coroutines.scheduling.CoroutineScheduler$Worker.runWorker(CoroutineScheduler.kt:678)
at kotlinx.coroutines.scheduling.CoroutineScheduler$Worker.run(CoroutineScheduler.kt:665)
Karlatemp
commented
3 years ago 
具体报错内容如下： 2021-06-23 11:06:55 E/Mirai HTTP API: java.lang.NoSuchMethodError: 'double kotlin.time.DurationKt.toDuration(int, java.util.concurrent.TimeUnit)' java.lang.NoSuchMethodError: 'double kotlin.time.DurationKt.toDuration(int, java.util.concurrent.TimeUnit)' at net.mamoe.mirai.api.http.route.BaseRouteKt$mirai$2.invoke(BaseRoute.kt:67) at net.mamoe.mirai.api.http.route.BaseRouteKt$mirai$2.invoke(BaseRoute.kt) at io.ktor.features.CORS$Feature.install(CORS.kt:521) at io.ktor.features.CORS$Feature.install(CORS.kt:513) at io.ktor.application.ApplicationFeatureKt.install(ApplicationFeature.kt:68) at net.mamoe.mirai.api.http.route.BaseRouteKt.mirai(BaseRoute.kt:64) at net.mamoe.mirai.api.http.MiraiHttpAPIServer$start$2$1$1.invoke(MiraiHttpAPIServer.kt:93) at net.mamoe.mirai.api.http.MiraiHttpAPIServer$start$2$1$1.invoke(MiraiHttpAPIServer.kt:29) at io.ktor.server.engine.ApplicationEngineEnvironmentReloading.instantiateAndConfigureApplication(ApplicationEngineEnvironmentReloading.kt:303) at io.ktor.server.engine.ApplicationEngineEnvironmentReloading.createApplication(ApplicationEngineEnvironmentReloading.kt:138) at io.ktor.server.engine.ApplicationEngineEnvironmentReloading.start(ApplicationEngineEnvironmentReloading.kt:270) at io.ktor.server.cio.CIOApplicationEngine$serverJob$1$1.invokeSuspend(CIOApplicationEngine.kt:53) at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:33) at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:106) at kotlinx.coroutines.scheduling.CoroutineScheduler.runSafely(CoroutineScheduler.kt:571) at kotlinx.coroutines.scheduling.CoroutineScheduler$Worker.executeTask(CoroutineScheduler.kt:750) at kotlinx.coroutines.scheduling.CoroutineScheduler$Worker.runWorker(CoroutineScheduler.kt:678) at kotlinx.coroutines.scheduling.CoroutineScheduler$Worker.run(CoroutineScheduler.kt:665)
我思索了很久仍然没能想明白。包括删除数据、改变端口之类的都试过了，还是没用。