【异常报告】1.24.12不支持的格式转换，目标类型：Number 源对象：System.String $={数量} + 1

1.24.12.0版本，编辑动作时，双击子程序，立即崩溃。导致无法修改子程序。在上一个版本1.24.8.0的时候，还是没有遇到这种问题的。

InvalidCastException
   在 Quicker.Domain.Actions.X.Variables.VariableHelper.ConvertToType(VarType type, Object value)
   在 Quicker.View.X.ActionStepEditorWindow.qLPNpo13eH()
   在 Quicker.View.X.ActionStepEditorWindow.DCNNARpTjo()
   在 Quicker.View.X.ActionStepEditorWindow..ctor(ActionStep step, ObservableCollection`1 variables, String subprogramIdentifier, SubProgram subProgram)
   在 Quicker.View.X.Nodes.StepListControl.SO5ddaF7BZ(StepNode  , String  )
   在 Quicker.View.X.Nodes.StepListControl.quLd7g85U2(Object  , RoutedEventArgs  )
   在 System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
   在 System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)
   在 Quicker.View.X.Nodes.StepNodeControl.K58LYPRY2E()
   在 Quicker.View.X.Nodes.StepNodeControl.rVJLh7mgrq(Object  , MouseButtonEventArgs  )
   在 System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)
   在 System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs)
   在 System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
   在 System.Windows.UIElement.ReRaiseEventAs(DependencyObject sender, RoutedEventArgs args, RoutedEvent newEvent)
   在 System.Windows.UIElement.OnMouseDownThunk(Object sender, MouseButtonEventArgs e)
   在 System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)
   在 System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs)
   在 System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
   在 System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)
   在 System.Windows.UIElement.RaiseTrustedEvent(RoutedEventArgs args)
   在 System.Windows.Input.InputManager.ProcessStagingArea()
   在 System.Windows.Input.InputManager.ProcessInput(InputEventArgs input)
   在 System.Windows.Input.InputProviderSite.ReportInput(InputReport inputReport)
   在 System.Windows.Interop.HwndMouseInputProvider.ReportInput(IntPtr hwnd, InputMode mode, Int32 timestamp, RawMouseActions actions, Int32 x, Int32 y, Int32 wheel)
   在 System.Windows.Interop.HwndMouseInputProvider.FilterMessage(IntPtr hwnd, WindowMessage msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   在 System.Windows.Interop.HwndSource.InputFilterMessage(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)

EvaluationException
no viable alternative at input '=' at line 1:2
no viable alternative at input '+' at line 1:8
   在 NCalc.Expression.Evaluate()
   在 Quicker.Domain.Actions.X.XActionHelper.ElgD7xHQKKRpDodxrFKk(Object )
   在 Quicker.Domain.Actions.X.XActionHelper.EvaluateExpression(String expression)
   在 Quicker.Domain.Actions.X.Variables.VariableHelper.Ws0aek8Ef0n(String  )
   在 Quicker.Domain.Actions.X.Variables.VariableHelper.CllaeYIIq8A(Object  )
   在 Quicker.Domain.Actions.X.Variables.VariableHelper.ConvertToType(VarType type, Object value)

EvaluationException
no viable alternative at input '=' at line 1:2
no viable alternative at input '+' at line 1:8
   在 NCalc.Expression.Compile(String expression, Boolean nocache)
   在 NCalc.Expression.HasErrors()

之前不知道怎么操作，出现如下崩溃，估计和上面那个类似。