diff --git a/src/component/tooltip/TooltipView.ts b/src/component/tooltip/TooltipView.ts index e18a656a7c..c2688f62c7 100644 --- a/src/component/tooltip/TooltipView.ts +++ b/src/component/tooltip/TooltipView.ts @@ -969,8 +969,10 @@ class TooltipView extends ComponentView { // check is cbParams data value changed lastCbParamsList && zrUtil.each(lastItem.seriesDataIndices, (idxItem) => { - const cbParams = cbParamsList[idxItem.seriesIndex]; - if (cbParams && lastCbParamsList[idxItem.seriesIndex].data !== cbParams.data) { + const seriesIdx = idxItem.seriesIndex; + const cbParams = cbParamsList[seriesIdx]; + const lastCbParams = lastCbParamsList[seriesIdx]; + if (cbParams && lastCbParams && lastCbParams.data !== cbParams.data) { contentNotChanged = false; } });