diff --git a/ruoyi-ui/src/views/JiHeExpressway/pages/Home/components/Dialogs/Intermodulation/components/LineChartForTraffic/index.vue b/ruoyi-ui/src/views/JiHeExpressway/pages/Home/components/Dialogs/Intermodulation/components/LineChartForTraffic/index.vue
index 9b9c244d..b4da1653 100644
--- a/ruoyi-ui/src/views/JiHeExpressway/pages/Home/components/Dialogs/Intermodulation/components/LineChartForTraffic/index.vue
+++ b/ruoyi-ui/src/views/JiHeExpressway/pages/Home/components/Dialogs/Intermodulation/components/LineChartForTraffic/index.vue
@@ -24,6 +24,7 @@ export default {
     options.yAxis.axisLabel.fontSize = 11;
     options.xAxis.data = this.xData;
     options.series[0].data = this.yData;
+    options.tooltip.formatter = "{b}：{c}辆";
     chartIns.setOption(options);
   },
 }