I found that in the 3.0.1 version, my mouse could not be found, the power could not be displayed

[CarefulHuo]

The exception content is as follows: System.NullReferenceException: Object reference not set to an instance of an object. at LGSTrayCore.HttpServer.HttpServer.Dispose(Boolean disposing) in E:\repos\LGSTrayBattery\LGSTrayCore\HttpServer\HttpServer.cs:line 20 at LGSTrayCore.HttpServer.HttpServer.Dispose() in E:\repos\LGSTrayBattery\LGSTrayCore\HttpServer\HttpServer.cs:line 39 at Microsoft.Extensions.DependencyInjection.ServiceLookup.ServiceProviderEngineScope.DisposeAsync() --- End of stack trace from previous location --- at Microsoft.Extensions.Hosting.Internal.Host.<DisposeAsync>g__DisposeAsync|21_0(Object o) at Microsoft.Extensions.Hosting.Internal.Host.DisposeAsync() at Microsoft.Extensions.Hosting.HostingAbstractionsHostExtensions.RunAsync(IHost host, CancellationToken token) at LGSTrayUI.App.OnStartup(StartupEventArgs e) in E:\repos\LGSTrayBattery\LGSTrayUI\App.xaml.cs:line 55 at System.Threading.Tasks.Task.<>c.<ThrowAsync>b__128_0(Object state) at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs) at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler) at System.Windows.Threading.DispatcherOperation.InvokeImpl() at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj) at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state) --- End of stack trace from previous location --- at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state) at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state) at System.Windows.Threading.DispatcherOperation.Invoke() at System.Windows.Threading.Dispatcher.ProcessQueue() at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled) at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled) at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o) at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs) at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler) at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs) at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam) at MS.Win32.UnsafeNativeMethods.DispatchMessage(MSG& msg) at System.Windows.Threading.Dispatcher.PushFrameImpl(DispatcherFrame frame) at System.Windows.Application.RunDispatcher(Object ignore) at System.Windows.Application.RunInternal(Window window) at LGSTrayUI.App.Main()

[CarefulHuo]

However, when I return version 3.0.0, it can be used normally