InvalidOperationException: The calling thread cannot access this object because a different thread owns it. StackTrace: at IntelliTools.Domain.Service.FavorDataService.Save(FavorItem item) at System.Reactive.AnonymousSafeObserver`1.OnNext(T value) at System.Reactive.Linq.ObservableImpl.Throttle`1._.Propagate(UInt64 currentid) at System.Reactive.Concurrency.Scheduler.Invoke[TState](ValueTuple`2 tuple) at System.Reactive.Concurrency.Scheduler.<>c__78`1.<ScheduleAction>b__78_0(IScheduler _, ValueTuple`2 tuple) at System.Reactive.Concurrency.UserWorkItem`1.Run() at System.Reactive.Concurrency.ConcurrencyAbstractionLayerImpl.Timer.Tick() at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx) at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx) at System.Threading.TimerQueueTimer.CallCallback() at System.Threading.TimerQueueTimer.Fire() at System.Threading.QueueUserWorkItemCallback.System.Threading.IThreadPoolWorkItem.ExecuteWorkItem() at System.Threading.ThreadPoolWorkQueue.Dispatch()