JsonReaderException: Unexpected character encountered while parsing value: S. Path '', line 0, position 0.
--LineNumber: 0
--LinePosition: 0
StackTrace:
   在 Newtonsoft.Json.JsonTextReader.ParseValue()
   在 Newtonsoft.Json.JsonReader.ReadForType(JsonContract contract, Boolean hasConverter)
   在 Newtonsoft.Json.Serialization.JsonSerializerInternalReader.Deserialize(JsonReader reader, Type objectType, Boolean checkAdditionalContent)
   在 Newtonsoft.Json.JsonSerializer.DeserializeInternal(JsonReader reader, Type objectType)
   在 Newtonsoft.Json.JsonConvert.DeserializeObject(String value, Type type, JsonSerializerSettings settings)
   在 Newtonsoft.Json.JsonConvert.DeserializeObject[T](String value, JsonSerializerSettings settings)
   在 DynamicClass.TimeWindowWrapper.TheWindow_Closed(Object sender, EventArgs e)
   在 System.EventHandler.Invoke(Object sender, EventArgs e)
   在 System.Windows.Window.OnClosed(EventArgs e)
   在 System.Windows.Window.WmDestroy()
   在 System.Windows.Window.WindowFilterMessage(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   在 System.Windows.Interop.HwndSource.PublicHooksFilterMessage(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   在 MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   在 MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   在 System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   在 System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)