diff --git a/src/components/widgets/BaseWidget.tsx b/src/components/widgets/BaseWidget.tsx
index c17ff10..8ae09ad 100644
--- a/src/components/widgets/BaseWidget.tsx
+++ b/src/components/widgets/BaseWidget.tsx
@@ -17,10 +17,20 @@ export type WidgetSettings<T = any> = {
     unitColor?: string,
 }
 
+const emptyNumber = '----'
+
+const defaultFormatter = (v: any) => {
+    if (typeof v === 'undefined' || v === null || String(v) === 'NaN') return emptyNumber
+    if (Number.isNaN(+v)) return v
+    const f = parseFloat(v)
+    if (Number.isFinite(v)) return f.toFixed(2)
+    return `${f < 0 ? '-' : ''}\u221E`
+}
+
 export const defaultSettings: WidgetSettings = {
     unit: '----',
     label: 'Виджет',
-    formatter: v => isNaN(v) ? v : parseFloat(v).toFixed(2),
+    formatter: defaultFormatter,
 
     labelColor: '#000000',
     valueColor: '#000000',
@@ -57,7 +67,7 @@ export const BaseWidget = memo<BaseWidgetProps>(({ value, onRemove, onEdit, ...s
                 </div>
             </div>
             <div className={'widget_value'} style={{ color: sets.valueColor }}>
-                {(sets.formatter === null ? value : sets.formatter?.(value)) ?? sets.defaultValue ?? '----'}
+                {(sets.formatter === null ? value : sets.formatter?.(value)) ?? sets.defaultValue ?? emptyNumber}
             </div>
             <div className={'widget_units'} style={{ color: sets.unitColor }}>{sets.unit}</div>
         </div>