Merge pull request #9886 from dataease/pr@dev-v2@fix_waterfall_tooltip_sum

fix(图表): 瀑布图汇总提示显示错误 #9318

core/core-frontend/src/views/chart/components/js/panel/charts/bar/waterfall.ts

@@ -187,7 +187,7 @@ export class Waterfall extends G2PlotChartView<WaterfallOptions, G2Waterfall> {
             let tmpValue = totalMap[id]
             let color = 'grey'
             if (id === yAxis[0].id) {
-              tmpValue = parseFloat(head.value as unknown as string)
+              tmpValue = head.data.value
               color = head.color
             }
             const value = valueFormatter(tmpValue, formatter.formatterCfg)